Don't use daemon when setting release passwords in environment.

.gitignore

@@ -7,6 +7,7 @@ Thumbs.db
 *.iml
 *.ipr
 *.iws
+out
 
 # Xcode IDE
 xcuserdata/

.gitlab-ci.yml

@@ -14,5 +14,5 @@ build_project:
     - "( xcodebuild -workspace platform-darwin/MasterPassword.xcworkspace -configuration 'Test' -scheme 'MasterPassword macOS' clean build )"
   tags:
     - brew
-    - java
+    - java_9
     - xcode_9

Dockerfile

@@ -1,9 +1,12 @@
-FROM alpine
+FROM debian:stable-slim
 
 # For i386
-#FROM i386/alpine
+#FROM i386/debian:stable-slim
 #ENTRYPOINT ["linux32", "--"]
 
-RUN apk add --no-cache git libtool automake autoconf make g++ bash openjdk8
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863199
+RUN mkdir -p /usr/share/man/man1
+
+RUN apt-get update && apt-get install -y default-jdk-headless git-core bash libtool automake autoconf make g++
 RUN git clone --depth=3 $(: --shallow-submodules) --recurse-submodules https://gitlab.com/MasterPassword/MasterPassword.git /mpw
 RUN cd /mpw/gradle && ./gradlew -i clean build

gradle/.idea/misc.xml

@@ -5,26 +5,36 @@
     <option name="myDefaultNotNull" value="javax.annotation.Nonnull" />
     <option name="myNullables">
       <value>
-        <list size="4">
+        <list size="9">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
           <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+          <item index="4" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
+          <item index="5" class="java.lang.String" itemvalue="androidx.annotation.Nullable" />
+          <item index="6" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
+          <item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableDecl" />
+          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="4">
+        <list size="9">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
           <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+          <item index="4" class="java.lang.String" itemvalue="javax.validation.constraints.NotNull" />
+          <item index="5" class="java.lang.String" itemvalue="androidx.annotation.NonNull" />
+          <item index="6" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.NonNull" />
+          <item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
+          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
         </list>
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="10" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

gradle/README.md

@@ -2,11 +2,11 @@ To build a release distribution:
 
 Desktop:
 
-    STORE_PW=$(mpw masterpassword.keystore) KEY_PW_DESKTOP=$(mpw masterpassword-desktop) gradle clean masterpassword-gui:shadowJar
+    STORE_PW=$(mpw masterpassword.keystore) KEY_PW_DESKTOP=$(mpw masterpassword-desktop) gradle --no-daemon clean masterpassword-gui:shadowJar
 
 Android:
 
-    STORE_PW=$(mpw masterpassword.keystore) KEY_PW_ANDROID=$(mpw masterpassword-android) gradle clean masterpassword-android:assembleRelease
+    STORE_PW=$(mpw masterpassword.keystore) KEY_PW_ANDROID=$(mpw masterpassword-android) gradle --no-daemon clean masterpassword-android:assembleRelease
 
 
 Note:

gradle/build.gradle

@@ -2,7 +2,7 @@ allprojects {
     apply plugin: 'findbugs'
 
     group = 'com.lyndir.masterpassword'
-    version = 'GIT-SNAPSHOT'
+    version = '2.7.5'
 
     tasks.withType( JavaCompile ) {
         options.encoding = 'UTF-8'

gradle/gradle.properties

@@ -1,3 +1,4 @@
 org.gradle.daemon=true
 org.gradle.configureondemand=true
 org.gradle.jvmargs=-Xmx1536M
+android.enableD8.desugaring=true

lib/bin/build_lib

@@ -24,6 +24,7 @@
 # target_prepare() { make -s distclean; }
 # target_configure() { _target_configure "$@" --enable-minimal; }
 set -e
+PATH+=:/usr/local/bin
 
 # needs <binary> ...
 #
@@ -31,8 +32,15 @@ set -e
 needs() { _needs "$@"; }
 _needs() {
     local failed=0
-    for tool; do
-        hash "$tool" || { echo >&2 "Missing: $tool.  Please install this tool."; (( failed++ )); }
+    for spec; do
+        IFS=: read pkg tools <<< "$spec"
+        IFS=, read -a tools <<< "${tools:-$pkg}"
+        for tool in "${tools[@]}"; do
+            hash "$tool" 2>/dev/null && continue 2
+        done
+
+        echo >&2 "Missing: $pkg.  Please install this package."
+        (( failed++ ))
     done
 
     return $failed
@@ -50,7 +58,7 @@ _initialize() {
 #
 # Check if all tools needed for the default implementations are available.
 #
-# By default, this will check for `libtool` (for libtoolize), `automake` (for aclocal) and `autoconf` (for autoreconf).
+# By default, this will check for `libtool` (for libtoolize), `automake` (for aclocal), `autoconf` (for autoreconf) and make.
 initialize_needs() { _initialize_needs "$@"; }
 _initialize_needs() {
     if [[ $platform = windows ]]; then
@@ -58,7 +66,7 @@ _initialize_needs() {
         export VSINSTALLDIR="${VSINSTALLDIR:-$(cd "$(cygpath -F 0x002a)/Microsoft Visual Studio"/*/*/Common7/.. && pwd)}"
         [[ -e "$VSINSTALLDIR/Common7/Tools/VsMSBuildCmd.bat" ]] || { echo >&2 "Missing: msbuild.  Please install 'Build Tools for Visual Studio'."; return 1; }
     else
-        needs libtool automake autoconf
+        needs libtool:libtoolize,glibtoolize automake autoconf make
     fi
 }
 

lib/bin/build_libsodium-windows

@@ -1,4 +1,13 @@
 #!/usr/bin/env bash
 source "${BASH_SOURCE%/*}/build_lib"
 
+finalize_merge() {
+    local prefix=$1 platform=$2; shift 2
+    local archs=( "$@" )
+
+    cp -a "src/libsodium/include" "$prefix/out"
+    
+    _finalize_merge "$prefix" "$platform" "${archs[@]}"
+}
+
 build libsodium windows

platform-darwin/Source/Mac/MPPasswordWindowController.xib

@@ -1,9 +1,10 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14113" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="10117"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14113"/>
         <capability name="box content view" minToolsVersion="7.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
         <capability name="stacking Non-gravity area distributions on NSStackView" minToolsVersion="7.0" minSystemVersion="10.11"/>
     </dependencies>
     <objects>
@@ -27,7 +28,7 @@
         <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
         <customObject id="-3" userLabel="Application" customClass="NSObject"/>
         <window title="Master Password" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" oneShot="NO" releasedWhenClosed="NO" showsToolbarButton="NO" visibleAtLaunch="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MPSitesWindow">
-            <windowStyleMask key="styleMask" texturedBackground="YES" unifiedTitleAndToolbar="YES" fullSizeContentView="YES"/>
+            <windowStyleMask key="styleMask" texturedBackground="YES" fullSizeContentView="YES"/>
             <windowCollectionBehavior key="collectionBehavior" moveToActiveSpace="YES" transient="YES" ignoresCycle="YES" fullScreenAuxiliary="YES"/>
             <rect key="contentRect" x="0.0" y="0.0" width="640" height="577"/>
             <rect key="screenRect" x="0.0" y="0.0" width="1440" height="877"/>
@@ -35,7 +36,7 @@
                 <rect key="frame" x="0.0" y="0.0" width="640" height="577"/>
                 <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                 <subviews>
-                    <visualEffectView blendingMode="behindWindow" state="followsWindowActiveState" translatesAutoresizingMaskIntoConstraints="NO" id="eRe-Ef-AZx">
+                    <visualEffectView blendingMode="behindWindow" material="appearanceBased" state="followsWindowActiveState" translatesAutoresizingMaskIntoConstraints="NO" id="eRe-Ef-AZx">
                         <rect key="frame" x="0.0" y="0.0" width="640" height="577"/>
                     </visualEffectView>
                     <progressIndicator hidden="YES" wantsLayer="YES" horizontalHuggingPriority="750" verticalHuggingPriority="750" maxValue="100" displayedWhenStopped="NO" bezeled="NO" indeterminate="YES" controlSize="small" style="spinning" translatesAutoresizingMaskIntoConstraints="NO" id="oSh-Ec-8Nf" userLabel="Progress Spinner">
@@ -45,7 +46,7 @@
                         <rect key="frame" x="20" y="383" width="600" height="150"/>
                         <subviews>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Ond-dT-x5d" userLabel="Site Password Label">
-                                <rect key="frame" x="157" y="116" width="285" height="14"/>
+                                <rect key="frame" x="157" y="116" width="286" height="14"/>
                                 <shadow key="shadow" blurRadius="0.5">
                                     <size key="offset" width="0.0" height="1"/>
                                     <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -73,7 +74,7 @@
                                 </connections>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Ia6-7b-dFr">
-                                <rect key="frame" x="115" y="68" width="370" height="14"/>
+                                <rect key="frame" x="127" y="68" width="347" height="14"/>
                                 <shadow key="shadow" blurRadius="0.5">
                                     <size key="offset" width="0.0" height="1"/>
                                     <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -186,7 +187,7 @@
                                 </contentFilters>
                                 <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="center" title="KeljXoleKowi9@" placeholderString="" id="WVV-EE-tkB">
                                     <font key="font" size="64" name="SourceCodePro-Regular"/>
-                                    <color key="textColor" name="keyboardFocusIndicatorColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="textColor" name="selectedControlColor" catalog="System" colorSpace="catalog"/>
                                     <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                                 </textFieldCell>
                                 <connections>
@@ -223,13 +224,13 @@
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                             <subviews>
                                 <tableView verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnReordering="NO" columnResizing="NO" multipleSelection="NO" emptySelection="NO" autosaveColumns="NO" rowHeight="33" rowSizeStyle="automatic" viewBased="YES" floatsGroupRows="NO" id="xvJ-5c-vDp" customClass="MPSitesTableView">
-                                    <rect key="frame" x="0.0" y="0.0" width="515" height="0.0"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="515" height="180"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <size key="intercellSpacing" width="3" height="2"/>
                                     <color key="backgroundColor" white="1" alpha="0.0" colorSpace="deviceWhite"/>
                                     <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
                                     <tableColumns>
-                                        <tableColumn editable="NO" width="512" minWidth="512" maxWidth="512" id="S71-gk-yF7">
+                                        <tableColumn identifier="" editable="NO" width="512" minWidth="512" maxWidth="512" id="S71-gk-yF7">
                                             <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="left">
                                                 <font key="font" metaFont="smallSystem"/>
                                                 <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
@@ -312,7 +313,7 @@
                         </connections>
                     </scrollView>
                     <customView translatesAutoresizingMaskIntoConstraints="NO" id="nM8-O3-spM" customClass="MPGradientView">
-                        <rect key="frame" x="0.0" y="0.0" width="640" height="212"/>
+                        <rect key="frame" x="0.0" y="0.0" width="640" height="214"/>
                         <userDefinedRuntimeAttributes>
                             <userDefinedRuntimeAttribute type="color" keyPath="startingColor">
                                 <color key="value" red="0.7019608021" green="0.7019608021" blue="0.7019608021" alpha="0.0" colorSpace="calibratedRGB"/>
@@ -570,7 +571,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                         </connections>
                     </textField>
                     <stackView distribution="fill" orientation="horizontal" alignment="bottom" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="pHt-gg-ZNX">
-                        <rect key="frame" x="72" y="20" width="495" height="152"/>
+                        <rect key="frame" x="72" y="20" width="495" height="154"/>
                         <subviews>
                             <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="1Qo-iG-CQt">
                                 <rect key="frame" x="0.0" y="-1" width="85" height="19"/>
@@ -593,10 +594,10 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                 </connections>
                             </button>
                             <stackView distribution="fill" orientation="vertical" alignment="centerX" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="DT0-RU-3LT">
-                                <rect key="frame" x="93" y="0.0" width="177" height="152"/>
+                                <rect key="frame" x="93" y="0.0" width="177" height="154"/>
                                 <subviews>
                                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="uol-dE-I8H">
-                                        <rect key="frame" x="77" y="138" width="23" height="14"/>
+                                        <rect key="frame" x="77" y="140" width="23" height="14"/>
                                         <shadow key="shadow" blurRadius="0.5">
                                             <size key="offset" width="0.0" height="1"/>
                                             <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -633,7 +634,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                         </connections>
                                     </textField>
                                     <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="brI-fg-Kav">
-                                        <rect key="frame" x="40" y="111" width="96" height="19"/>
+                                        <rect key="frame" x="41" y="113" width="96" height="19"/>
                                         <shadow key="shadow">
                                             <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
                                         </shadow>
@@ -662,7 +663,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                         </connections>
                                     </button>
                                     <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="R46-fx-n14">
-                                        <rect key="frame" x="0.0" y="85" width="177" height="19"/>
+                                        <rect key="frame" x="0.0" y="87" width="177" height="19"/>
                                         <shadow key="shadow">
                                             <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
                                         </shadow>
@@ -688,10 +689,10 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                         </connections>
                                     </button>
                                     <stackView distribution="fill" orientation="horizontal" alignment="top" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Bgn-Ne-fQ7" userLabel="Version Container">
-                                        <rect key="frame" x="70" y="56" width="36" height="22"/>
+                                        <rect key="frame" x="71" y="57" width="36" height="23"/>
                                         <subviews>
                                             <stepper horizontalHuggingPriority="750" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="mcq-qD-yte">
-                                                <rect key="frame" x="-3" y="-3" width="19" height="27"/>
+                                                <rect key="frame" x="-3" y="-2" width="19" height="27"/>
                                                 <shadow key="shadow">
                                                     <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
                                                 </shadow>
@@ -701,7 +702,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                                 </connections>
                                             </stepper>
                                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="gyg-Fh-yn7">
-                                                <rect key="frame" x="19" y="3" width="19" height="19"/>
+                                                <rect key="frame" x="19" y="4" width="19" height="19"/>
                                                 <shadow key="shadow" blurRadius="0.5">
                                                     <size key="offset" width="0.0" height="1"/>
                                                     <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -742,10 +743,10 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                         </connections>
                                     </stackView>
                                     <stackView distribution="fill" orientation="horizontal" alignment="centerY" horizontalStackHuggingPriority="249.99998474121094" verticalStackHuggingPriority="249.99998474121094" detachesHiddenViews="YES" translatesAutoresizingMaskIntoConstraints="NO" id="6II-KA-cNi" userLabel="Counter Container">
-                                        <rect key="frame" x="74" y="26" width="28" height="22"/>
+                                        <rect key="frame" x="75" y="26" width="28" height="23"/>
                                         <subviews>
                                             <stepper horizontalHuggingPriority="750" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="XgA-Vl-CKh" userLabel="Counter Stepper">
-                                                <rect key="frame" x="-3" y="-3" width="19" height="27"/>
+                                                <rect key="frame" x="-3" y="-2" width="19" height="27"/>
                                                 <shadow key="shadow">
                                                     <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
                                                 </shadow>
@@ -755,7 +756,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                                                 </connections>
                                             </stepper>
                                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="NvO-kt-eZ2" userLabel="Counter Field">
-                                                <rect key="frame" x="19" y="1" width="11" height="19"/>
+                                                <rect key="frame" x="19" y="2" width="11" height="19"/>
                                                 <shadow key="shadow" blurRadius="0.5">
                                                     <size key="offset" width="0.0" height="1"/>
                                                     <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -888,7 +889,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                         </customSpacing>
                     </stackView>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="luC-0j-BeV">
-                        <rect key="frame" x="134" y="50" width="103" height="14"/>
+                        <rect key="frame" x="135" y="51" width="103" height="14"/>
                         <shadow key="shadow" blurRadius="0.5">
                             <size key="offset" width="0.0" height="1"/>
                             <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -925,7 +926,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                         </connections>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="gjx-bt-fKM">
-                        <rect key="frame" x="133" y="80" width="100" height="14"/>
+                        <rect key="frame" x="134" y="82" width="100" height="14"/>
                         <shadow key="shadow" blurRadius="0.5">
                             <size key="offset" width="0.0" height="1"/>
                             <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -962,7 +963,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                         </connections>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="dbM-ja-dKO" userLabel="Version Tip">
-                        <rect key="frame" x="87" y="106" width="332" height="14"/>
+                        <rect key="frame" x="88" y="108" width="332" height="14"/>
                         <shadow key="shadow" blurRadius="0.5">
                             <size key="offset" width="0.0" height="1"/>
                             <color key="color" name="controlLightHighlightColor" catalog="System" colorSpace="catalog"/>
@@ -1170,7 +1171,7 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                 <binding destination="-2" name="contentArray" keyPath="sites" id="c96-Dv-HK1"/>
             </connections>
         </arrayController>
-        <box autoresizesSubviews="NO" title="Choose a password type for apple.com:" borderType="line" id="bZe-7q-i6q">
+        <box autoresizesSubviews="NO" borderType="line" title="Choose a password type for apple.com:" id="bZe-7q-i6q">
             <rect key="frame" x="0.0" y="0.0" width="416" height="296"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
             <view key="contentView" id="hAc-y9-IMT">
@@ -1243,11 +1244,9 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                     <constraint firstItem="3fr-Fd-pxx" firstAttribute="top" secondItem="hAc-y9-IMT" secondAttribute="top" constant="8" id="xVT-HC-qsE"/>
                 </constraints>
             </view>
-            <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
-            <color key="fillColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
             <point key="canvasLocation" x="333" y="125"/>
         </box>
-        <box autoresizesSubviews="NO" title="Answer to security questions for apple.com:" borderType="line" id="hi3-SX-Td3">
+        <box autoresizesSubviews="NO" borderType="line" title="Answer to security questions for apple.com:" id="hi3-SX-Td3">
             <rect key="frame" x="0.0" y="0.0" width="416" height="180"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
             <view key="contentView" wantsLayer="YES" id="8Ep-zH-Nzv">
@@ -1321,8 +1320,6 @@ Use the arrows ⇅ to navigate the list or esc ⎋ to exit.</string>
                 <constraint firstAttribute="trailing" secondItem="12d-V9-LDB" secondAttribute="trailing" constant="12" id="Ysu-F5-ukt"/>
                 <constraint firstItem="12d-V9-LDB" firstAttribute="leading" secondItem="hi3-SX-Td3" secondAttribute="leading" constant="12" id="oPv-4N-T9I"/>
             </constraints>
-            <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
-            <color key="fillColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
             <point key="canvasLocation" x="333" y="491"/>
         </box>
     </objects>

platform-independent/c/core/build.gradle

@@ -14,11 +14,10 @@ artifacts {
         from 'lib'
 
         components.withType( ComponentWithRuntimeFile ) {
-            if (isOptimized()) {
+            if (optimized)
                 from runtimeFile, {
                     into standardOperatingSystem( targetPlatform ) + '/' + standardArchitecture( targetPlatform )
                 }
-            }
         }
     }
 }
@@ -36,7 +35,7 @@ library {
         }
         withType( GccCompatibleToolChain ) {
             eachPlatform {
-                cppCompiler.withArguments { addAll( ['-x', 'c', '-O3', '-std=c11', '-Werror', '-DMPW_SODIUM=1'] ) }
+                cppCompiler.withArguments { addAll( ['-x', 'c', '-O3', '-Werror', '-DMPW_SODIUM=1'] ) }
             }
         }
     }
@@ -55,27 +54,29 @@ library {
             from files( new File( Jvm.current().javaHome, 'include' ) ) { first().eachDir { from it } }
         }
 
-        binaries.configureEach {
-            def system = standardOperatingSystem( targetPlatform )
-
+        binaries.whenElementFinalized {
             project.dependencies {
-                add( linkLibraries.name,
-                     fileTree( "$rootDir/../lib/libsodium/build-${system}~/out/lib" ) )
-            }
+                def system = standardOperatingSystem( targetPlatform )
 
-            archive.dependsOn project.tasks.maybeCreate( "build_libsodium-${system}", Exec.class ).configure {
-                commandLine 'bash', "$rootDir/../lib/bin/build_libsodium-${system}"
-                privateHeaders.from "$rootDir/../lib/libsodium/build-${system}~/out/include"
-            }
-            clean.dependsOn project.tasks.maybeCreate( "clean_libsodium-${system}", Exec.class ).configure {
-                commandLine 'bash', "$rootDir/../lib/bin/build_libsodium-${system}", 'clean'
-            }
-            archive.dependsOn project.tasks.maybeCreate( "build_libjson-c-${system}", Exec.class ).configure {
-                commandLine 'bash', "$rootDir/../lib/bin/build_libjson-c-${system}"
-                privateHeaders.from "$rootDir/../lib/libjson-c/build-${system}~/out/include"
-            }
-            clean.dependsOn project.tasks.maybeCreate( "clean_libjson-c-${system}", Exec.class ).configure {
-                commandLine 'bash', "$rootDir/../lib/bin/build_libjson-c-${system}", 'clean'
+                // libsodium
+                archive.dependsOn project.tasks.maybeCreate( "build_libsodium-${system}", Exec ).configure {
+                    commandLine 'bash', "$rootDir/../lib/bin/build_libsodium-${system}"
+                    privateHeaders.from "$rootDir/../lib/libsodium/build-${system}~/out/include"
+                    add( linkLibraries.name, fileTree( "$rootDir/../lib/libsodium/build-${system}~/out/lib" ) )
+                }
+                clean.dependsOn project.tasks.maybeCreate( "clean_libsodium-${system}", Exec ).configure {
+                    commandLine 'bash', "$rootDir/../lib/bin/build_libsodium-${system}", 'clean'
+                }
+
+                // libjson-c
+                /*archive.dependsOn project.tasks.maybeCreate( "build_libjson-c-${system}", Exec ).configure {
+                    commandLine 'bash', "$rootDir/../lib/bin/build_libjson-c-${system}"
+                    privateHeaders.from "$rootDir/../lib/libjson-c/build-${system}~/out/include"
+                    add( linkLibraries.name, fileTree( "$rootDir/../lib/libjson-c/build-${system}~/out/lib" ) )
+                }
+                clean.dependsOn project.tasks.maybeCreate( "clean_libjson-c-${system}", Exec ).configure {
+                    commandLine 'bash', "$rootDir/../lib/bin/build_libjson-c-${system}", 'clean'
+                }*/
             }
         }
     }

platform-independent/c/core/src/mpw-jni.c

@@ -1,12 +1,13 @@
 #include <string.h>
 
-#include "mpw-jni.h"
+#include "java/com_lyndir_masterpassword_impl_MPAlgorithmV0.h"
+
 #include "mpw-algorithm.h"
 #include "mpw-util.h"
 
 // TODO: We may need to zero the jbytes safely.
 
-JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) {
     JNIEnv* env;
     if ((*vm)->GetEnv( vm, (void **)&env, JNI_VERSION_1_6 ) != JNI_OK)
         return -1;

platform-independent/c/core/src/mpw-marshal-util.c

@@ -35,10 +35,10 @@ char *mpw_get_token(const char **in, const char *eol, char *delim) {
     return token;
 }
 
-time_t mpw_mktime(
-        const char *time) {
+time_t mpw_timegm(const char *time) {
 
     // TODO: Support for parsing non-UTC time strings
+    // Parse time as a UTC timestamp, into a tm.
     struct tm tm = { .tm_isdst = -1 };
     if (time && sscanf( time, "%4d-%2d-%2dT%2d:%2d:%2dZ",
             &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
@@ -46,8 +46,10 @@ time_t mpw_mktime(
         tm.tm_year -= 1900; // tm_year 0 = rfc3339 year  1900
         tm.tm_mon -= 1;     // tm_mon  0 = rfc3339 month 1
 
-        // mktime converts tm to local, setting tm_gmtoff; use it to offset the result back to UTC.
-        return mktime( &tm ) + tm.tm_gmtoff;
+        // mktime interprets tm as being local, we need to offset back to UTC (timegm/tm_gmtoff are non-standard).
+        time_t local_time = mktime( &tm ), local_dst = tm.tm_isdst > 0? 3600: 0;
+        time_t gmtoff = local_time + local_dst - mktime( gmtime( &local_time ) );
+        return local_time + gmtoff;
     }
 
     return false;

platform-independent/c/core/src/mpw-marshal-util.h

@@ -34,7 +34,7 @@
 char *mpw_get_token(
         const char **in, const char *eol, char *delim);
 /** Convert an RFC 3339 time string into epoch time. */
-time_t mpw_mktime(
+time_t mpw_timegm(
         const char *time);
 
 /// JSON parsing.

platform-independent/c/core/src/mpw-marshal.c

@@ -407,7 +407,7 @@ static void mpw_marshal_read_flat_info(
             if (strcmp( headerName, "Passwords" ) == 0)
                 info->redacted = strcmp( headerValue, "VISIBLE" ) != 0;
             if (strcmp( headerName, "Date" ) == 0)
-                info->date = mpw_mktime( headerValue );
+                info->date = mpw_timegm( headerValue );
 
             mpw_free_strings( &headerName, &headerValue, NULL );
             continue;
@@ -580,7 +580,7 @@ static MPMarshalledUser *mpw_marshal_read_flat(
                 return NULL;
             }
             MPAlgorithmVersion siteAlgorithm = (MPAlgorithmVersion)value;
-            time_t siteLastUsed = mpw_mktime( str_lastUsed );
+            time_t siteLastUsed = mpw_timegm( str_lastUsed );
             if (!siteLastUsed) {
                 *error = (MPMarshalError){ MPMarshalErrorIllegal, mpw_str( "Invalid site last used: %s: %s", siteName, str_lastUsed ) };
                 return NULL;
@@ -650,7 +650,7 @@ static void mpw_marshal_read_json_info(
     if (fileFormat < 1)
         return;
     info->redacted = mpw_get_json_boolean( json_file, "export.redacted", true );
-    info->date = mpw_mktime( mpw_get_json_string( json_file, "export.date", NULL ) );
+    info->date = mpw_timegm( mpw_get_json_string( json_file, "export.date", NULL ) );
 
     // Section: "user"
     info->algorithm = (MPAlgorithmVersion)mpw_get_json_int( json_file, "user.algorithm", MPAlgorithmVersionCurrent );
@@ -707,7 +707,7 @@ static MPMarshalledUser *mpw_marshal_read_json(
         *error = (MPMarshalError){ MPMarshalErrorIllegal, mpw_str( "Invalid user default type: %u", defaultType ) };
         return NULL;
     }
-    time_t lastUsed = mpw_mktime( str_lastUsed );
+    time_t lastUsed = mpw_timegm( str_lastUsed );
     if (!lastUsed) {
         *error = (MPMarshalError){ MPMarshalErrorIllegal, mpw_str( "Invalid user last used: %s", str_lastUsed ) };
         return NULL;
@@ -760,7 +760,7 @@ static MPMarshalledUser *mpw_marshal_read_json(
         MPResultType siteLoginType = (MPResultType)mpw_get_json_int( json_site.val, "login_type", MPResultTypeTemplateName );
         unsigned int siteUses = (unsigned int)mpw_get_json_int( json_site.val, "uses", 0 );
         str_lastUsed = mpw_get_json_string( json_site.val, "last_used", NULL );
-        time_t siteLastUsed = mpw_mktime( str_lastUsed );
+        time_t siteLastUsed = mpw_timegm( str_lastUsed );
         if (!siteLastUsed) {
             *error = (MPMarshalError){ MPMarshalErrorIllegal, mpw_str( "Invalid site last used: %s: %s", siteName, str_lastUsed ) };
             return NULL;

platform-independent/java/algorithm/build.gradle

@@ -4,6 +4,11 @@ plugins {
 
 description = 'Master Password Algorithm Implementation'
 
+tasks.withType( JavaCompile ) {
+    // Native headers
+    options.compilerArgs += ["-h", new File( new File( project.project( ':masterpassword-core' ).projectDir, 'src' ), 'java' ).absolutePath]
+}
+
 configurations {
     lib
 }
@@ -24,17 +29,7 @@ processResources {
         into new File( processResources.outputs.files.singleFile, "lib" )
 
         dependsOn configurations.lib {
-            files.each { libFile ->
-                from( zipTree( libFile ) )
-            }
+            files.each { libFile -> from( zipTree( libFile ) ) }
         }
     } )
 }
-
-compileJava {
-    doLast {
-        ant.javah( class: 'com.lyndir.masterpassword.impl.MPAlgorithmV0',
-                   outputFile: new File( project( ':masterpassword-core' ).projectDir, 'src/mpw-jni.h' ),
-                   classpath: files( sourceSets.main.compileClasspath, sourceSets.main.output ).asPath )
-    }
-}

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/MPAlgorithm.java

@@ -28,6 +28,7 @@ import com.lyndir.lhunath.opal.system.MessageDigests;
 import com.lyndir.masterpassword.impl.*;
 import java.nio.ByteOrder;
 import java.nio.charset.Charset;
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 
@@ -88,46 +89,55 @@ public abstract class MPAlgorithm {
     /**
      * The linear version identifier of this algorithm's implementation.
      */
+    @Nonnull
     public abstract Version version();
 
     /**
      * mpw: defaults: initial counter value.
      */
+    @Nonnull
     public abstract UnsignedInteger mpw_default_counter();
 
     /**
      * mpw: defaults: password result type.
      */
+    @Nonnull
     public abstract MPResultType mpw_default_result_type();
 
     /**
      * mpw: defaults: login result type.
      */
+    @Nonnull
     public abstract MPResultType mpw_default_login_type();
 
     /**
      * mpw: defaults: answer result type.
      */
+    @Nonnull
     public abstract MPResultType mpw_default_answer_type();
 
     /**
      * mpw: Input character encoding.
      */
+    @Nonnull
     public abstract Charset mpw_charset();
 
     /**
      * mpw: Platform-agnostic byte order.
      */
+    @Nonnull
     public abstract ByteOrder mpw_byteOrder();
 
     /**
      * mpw: Key ID hash.
      */
+    @Nonnull
     public abstract MessageDigests mpw_hash();
 
     /**
      * mpw: Site digest.
      */
+    @Nonnull
     public abstract MessageAuthenticationDigests mpw_digest();
 
     /**
@@ -167,12 +177,16 @@ public abstract class MPAlgorithm {
 
     // Utilities
 
+    @Nonnull
     protected abstract byte[] toBytes(int number);
 
+    @Nonnull
     protected abstract byte[] toBytes(UnsignedInteger number);
 
+    @Nonnull
     protected abstract byte[] toBytes(char[] characters);
 
+    @Nonnull
     protected abstract byte[] toID(byte[] bytes);
 
     @Override

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/MPIdenticon.java

@@ -27,6 +27,7 @@ import com.lyndir.lhunath.opal.system.logging.Logger;
 import java.nio.*;
 import java.nio.charset.Charset;
 import java.util.Arrays;
+import java.util.Locale;
 
 
 /**
@@ -83,6 +84,10 @@ public class MPIdenticon {
         return text;
     }
 
+    public String getHTML() {
+        return strf( "<span style='color: %s'>%s</span>", color.getCSS(), text );
+    }
+
     public Color getColor() {
         return color;
     }
@@ -94,6 +99,15 @@ public class MPIdenticon {
         BLUE,
         MAGENTA,
         CYAN,
-        MONO
+        MONO {
+            @Override
+            public String getCSS() {
+                return "inherit";
+            }
+        };
+
+        public String getCSS() {
+            return name().toLowerCase( Locale.ROOT );
+        }
     }
 }

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/MPMasterKey.java

@@ -44,7 +44,8 @@ public class MPMasterKey {
 
     /**
      * @param masterPassword The characters of the user's master password.
-     *                       <b>Note: this method destroys the contents of the array.</b>
+     *
+     * @apiNote This method destroys the contents of the {@code masterPassword} array.
      */
     @SuppressWarnings("AssignmentToCollectionOrArrayFieldFromParameter")
     public MPMasterKey(final String fullName, final char[] masterPassword) {
@@ -65,6 +66,7 @@ public class MPMasterKey {
      *
      * @throws MPKeyUnavailableException {@link #invalidate()} has been called on this object.
      */
+    @Nonnull
     public byte[] getKeyID(final MPAlgorithm algorithm)
             throws MPKeyUnavailableException, MPAlgorithmException {
 
@@ -82,11 +84,16 @@ public class MPMasterKey {
         Arrays.fill( masterPassword, (char) 0 );
     }
 
+    public boolean isValid() {
+        return !invalidated;
+    }
+
+    @Nonnull
     private byte[] masterKey(final MPAlgorithm algorithm)
             throws MPKeyUnavailableException, MPAlgorithmException {
         Preconditions.checkArgument( masterPassword.length > 0 );
 
-        if (invalidated)
+        if (!isValid())
             throw new MPKeyUnavailableException( "Master key was invalidated." );
 
         byte[] masterKey = keyByVersion.get( algorithm.version() );
@@ -104,6 +111,7 @@ public class MPMasterKey {
         return masterKey;
     }
 
+    @Nonnull
     private byte[] siteKey(final String siteName, final MPAlgorithm algorithm, final UnsignedInteger siteCounter,
                            final MPKeyPurpose keyPurpose, @Nullable final String keyContext)
             throws MPKeyUnavailableException, MPAlgorithmException {
@@ -136,13 +144,19 @@ public class MPMasterKey {
      *                    In the case of {@link MPResultTypeClass#Stateful} types, the result of
      *                    {@link #siteState(String, MPAlgorithm, UnsignedInteger, MPKeyPurpose, String, MPResultType, String)}.
      *
+     * @return {@code null} if the result type is missing a required parameter.
+     *
      * @throws MPKeyUnavailableException {@link #invalidate()} has been called on this object.
      */
+    @Nullable
     public String siteResult(final String siteName, final MPAlgorithm algorithm, final UnsignedInteger siteCounter,
                              final MPKeyPurpose keyPurpose, @Nullable final String keyContext,
                              final MPResultType resultType, @Nullable final String resultParam)
             throws MPKeyUnavailableException, MPAlgorithmException {
 
+        if ((resultType.getTypeClass() == MPResultTypeClass.Stateful) && (resultParam == null))
+            return null;
+
         byte[] masterKey = masterKey( algorithm );
         byte[] siteKey   = siteKey( siteName, algorithm, siteCounter, keyPurpose, keyContext );
 
@@ -171,6 +185,7 @@ public class MPMasterKey {
      *
      * @throws MPKeyUnavailableException {@link #invalidate()} has been called on this object.
      */
+    @Nonnull
     public String siteState(final String siteName, final MPAlgorithm algorithm, final UnsignedInteger siteCounter,
                             final MPKeyPurpose keyPurpose, @Nullable final String keyContext,
                             final MPResultType resultType, final String resultParam)

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/MPResultType.java

@@ -41,7 +41,7 @@ public enum MPResultType {
     /**
      * 16: pg^VMAUBk5x3p%HP%i4=
      */
-    GeneratedMaximum( "maximum", "20 characters, contains symbols.", //
+    GeneratedMaximum( "maximum", "Maximum Security", "pg^VMAUBk5x3p%HP%i4=", "20 characters, contains symbols", //
                       ImmutableList.of( new MPTemplate( "anoxxxxxxxxxxxxxxxxx" ),
                                         new MPTemplate( "axxxxxxxxxxxxxxxxxno" ) ), //
                       MPResultTypeClass.Template, 0x0 ),
@@ -49,7 +49,7 @@ public enum MPResultType {
     /**
      * 17: BiroYena8:Kixa
      */
-    GeneratedLong( "long", "Copy-friendly, 14 characters, contains symbols.", //
+    GeneratedLong( "long", "Long Password", "BiroYena8:Kixa", "Copy-friendly, 14 characters, contains symbols", //
                    ImmutableList.of( new MPTemplate( "CvcvnoCvcvCvcv" ), new MPTemplate( "CvcvCvcvnoCvcv" ),
                                      new MPTemplate( "CvcvCvcvCvcvno" ), new MPTemplate( "CvccnoCvcvCvcv" ),
                                      new MPTemplate( "CvccCvcvnoCvcv" ), new MPTemplate( "CvccCvcvCvcvno" ),
@@ -66,7 +66,7 @@ public enum MPResultType {
     /**
      * 18: BirSuj0-
      */
-    GeneratedMedium( "medium", "Copy-friendly, 8 characters, contains symbols.", //
+    GeneratedMedium( "medium", "Medium Password", "BirSuj0-", "Copy-friendly, 8 characters, contains symbols", //
                      ImmutableList.of( new MPTemplate( "CvcnoCvc" ),
                                        new MPTemplate( "CvcCvcno" ) ), //
                      MPResultTypeClass.Template, 0x2 ),
@@ -74,14 +74,14 @@ public enum MPResultType {
     /**
      * 19: Bir8
      */
-    GeneratedShort( "short", "Copy-friendly, 4 characters, no symbols.", //
+    GeneratedShort( "short", "Short Password", "Bir8", "Copy-friendly, 4 characters, no symbols", //
                     ImmutableList.of( new MPTemplate( "Cvcn" ) ), //
                     MPResultTypeClass.Template, 0x3 ),
 
     /**
      * 20: pO98MoD0
      */
-    GeneratedBasic( "basic", "8 characters, no symbols.", //
+    GeneratedBasic( "basic", "Basic Password", "pO98MoD0", "8 characters, no symbols", //
                     ImmutableList.of( new MPTemplate( "aaanaaan" ),
                                       new MPTemplate( "aannaaan" ),
                                       new MPTemplate( "aaannaaa" ) ), //
@@ -90,60 +90,67 @@ public enum MPResultType {
     /**
      * 21: 2798
      */
-    GeneratedPIN( "pin", "4 numbers.", //
+    GeneratedPIN( "pin", "PIN Code", "2798", "4 numbers", //
                   ImmutableList.of( new MPTemplate( "nnnn" ) ), //
                   MPResultTypeClass.Template, 0x5 ),
 
     /**
      * 30: birsujano
      */
-    GeneratedName( "name", "9 letter name.", //
+    GeneratedName( "name", "Name", "birsujano", "9 letter name", //
                    ImmutableList.of( new MPTemplate( "cvccvcvcv" ) ), //
                    MPResultTypeClass.Template, 0xE ),
 
     /**
      * 31: bir yennoquce fefi
      */
-    GeneratedPhrase( "phrase", "20 character sentence.", //
+    GeneratedPhrase( "phrase", "Phrase", "bir yennoquce fefi", "20 character sentence", //
                      ImmutableList.of( new MPTemplate( "cvcc cvc cvccvcv cvc" ),
                                        new MPTemplate( "cvc cvccvcvcv cvcv" ),
                                        new MPTemplate( "cv cvccv cvc cvcvccv" ) ), //
                      MPResultTypeClass.Template, 0xF ),
 
     /**
-     * 1056: Custom saved password.
+     * 1056: Custom saved value.
      */
-    StoredPersonal( "personal", "AES-encrypted, exportable.", //
+    StoredPersonal( "personal", "Saved", null, "AES-encrypted, exportable", //
                     ImmutableList.<MPTemplate>of(), //
                     MPResultTypeClass.Stateful, 0x0, MPSiteFeature.ExportContent ),
 
     /**
-     * 2081: Custom saved password that should not be exported from the device.
+     * 2081: Custom saved value that should not be exported from the device.
      */
-    StoredDevicePrivate( "device", "AES-encrypted, not exported.", //
+    StoredDevicePrivate( "device", "Private", null, "AES-encrypted, not exported", //
                          ImmutableList.<MPTemplate>of(), //
                          MPResultTypeClass.Stateful, 0x1, MPSiteFeature.DevicePrivate ),
 
     /**
      * 4160: Derive a unique binary key.
      */
-    DeriveKey( "key", "Encryption key.", //
+    DeriveKey( "key", "Binary Key", null, "Encryption key", //
                ImmutableList.<MPTemplate>of(), //
                MPResultTypeClass.Derive, 0x0, MPSiteFeature.Alternative );
 
     static final Logger logger = Logger.get( MPResultType.class );
 
     private final String                      shortName;
+    private final String                      longName;
+
+    @Nullable
+    private final String                      sample;
     private final String                      description;
     private final List<MPTemplate>            templates;
     private final MPResultTypeClass           typeClass;
     private final int                         typeIndex;
     private final ImmutableSet<MPSiteFeature> typeFeatures;
 
-    MPResultType(final String shortName, final String description, final List<MPTemplate> templates,
+    MPResultType(final String shortName, final String longName, @Nullable final String sample, final String description,
+                 final List<MPTemplate> templates,
                  final MPResultTypeClass typeClass, final int typeIndex, final MPSiteFeature... typeFeatures) {
 
         this.shortName = shortName;
+        this.longName = longName;
+        this.sample = sample;
         this.description = description;
         this.templates = templates;
         this.typeClass = typeClass;
@@ -160,6 +167,15 @@ public enum MPResultType {
         return shortName;
     }
 
+    public String getLongName() {
+        return longName;
+    }
+
+    @Nullable
+    public String getSample() {
+        return sample;
+    }
+
     public String getDescription() {
 
         return description;

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/impl/MPAlgorithmV0.java

@@ -27,6 +27,7 @@ import com.lyndir.masterpassword.*;
 import java.nio.*;
 import java.nio.charset.*;
 import java.util.Arrays;
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 
@@ -122,46 +123,55 @@ public class MPAlgorithmV0 extends MPAlgorithm {
 
     // Configuration
 
+    @Nonnull
     @Override
     public Version version() {
         return MPAlgorithm.Version.V0;
     }
 
+    @Nonnull
     @Override
     public UnsignedInteger mpw_default_counter() {
         return UnsignedInteger.ONE;
     }
 
+    @Nonnull
     @Override
     public MPResultType mpw_default_result_type() {
         return MPResultType.GeneratedLong;
     }
 
+    @Nonnull
     @Override
     public MPResultType mpw_default_login_type() {
         return MPResultType.GeneratedName;
     }
 
+    @Nonnull
     @Override
     public MPResultType mpw_default_answer_type() {
         return MPResultType.GeneratedPhrase;
     }
 
+    @Nonnull
     @Override
     public Charset mpw_charset() {
         return Charsets.UTF_8;
     }
 
+    @Nonnull
     @Override
     public ByteOrder mpw_byteOrder() {
         return ByteOrder.BIG_ENDIAN;
     }
 
+    @Nonnull
     @Override
     public MessageDigests mpw_hash() {
         return MessageDigests.SHA256;
     }
 
+    @Nonnull
     @Override
     public MessageAuthenticationDigests mpw_digest() {
         return MessageAuthenticationDigests.HmacSHA256;
@@ -211,16 +221,19 @@ public class MPAlgorithmV0 extends MPAlgorithm {
 
     // Utilities
 
+    @Nonnull
     @Override
     public byte[] toBytes(final int number) {
         return ByteBuffer.allocate( Integer.SIZE / Byte.SIZE ).order( mpw_byteOrder() ).putInt( number ).array();
     }
 
+    @Nonnull
     @Override
     public byte[] toBytes(final UnsignedInteger number) {
         return ByteBuffer.allocate( Integer.SIZE / Byte.SIZE ).order( mpw_byteOrder() ).putInt( number.intValue() ).array();
     }
 
+    @Nonnull
     @Override
     public byte[] toBytes(final char[] characters) {
         ByteBuffer byteBuffer = mpw_charset().encode( CharBuffer.wrap( characters ) );
@@ -232,6 +245,7 @@ public class MPAlgorithmV0 extends MPAlgorithm {
         return bytes;
     }
 
+    @Nonnull
     @Override
     public byte[] toID(final byte[] bytes) {
         return mpw_hash().of( bytes );

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/impl/MPAlgorithmV1.java

@@ -19,6 +19,7 @@
 package com.lyndir.masterpassword.impl;
 
 import com.lyndir.masterpassword.*;
+import javax.annotation.Nonnull;
 
 
 /**
@@ -29,6 +30,7 @@ public class MPAlgorithmV1 extends MPAlgorithmV0 {
 
     // Configuration
 
+    @Nonnull
     @Override
     public Version version() {
         return MPAlgorithm.Version.V1;

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/impl/MPAlgorithmV2.java

@@ -19,6 +19,7 @@
 package com.lyndir.masterpassword.impl;
 
 import com.lyndir.masterpassword.MPAlgorithm;
+import javax.annotation.Nonnull;
 
 
 /**
@@ -29,6 +30,7 @@ public class MPAlgorithmV2 extends MPAlgorithmV1 {
 
     // Configuration
 
+    @Nonnull
     @Override
     public Version version() {
         return MPAlgorithm.Version.V2;

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/impl/MPAlgorithmV3.java

@@ -19,6 +19,7 @@
 package com.lyndir.masterpassword.impl;
 
 import com.lyndir.masterpassword.MPAlgorithm;
+import javax.annotation.Nonnull;
 
 
 /**
@@ -29,6 +30,7 @@ public class MPAlgorithmV3 extends MPAlgorithmV2 {
 
     // Configuration
 
+    @Nonnull
     @Override
     public Version version() {
         return MPAlgorithm.Version.V3;

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/impl/Native.java

@@ -18,14 +18,14 @@
 
 package com.lyndir.masterpassword.impl;
 
-import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
-
 import com.google.common.base.Joiner;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.io.ByteStreams;
 import com.lyndir.lhunath.opal.system.logging.Logger;
 import java.io.*;
-import java.util.Locale;
+import java.util.*;
+import java.util.function.Predicate;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
@@ -43,71 +43,161 @@ public final class Native {
     private static final String NATIVES_PATH        = "lib";
 
     @SuppressWarnings({ "HardcodedFileSeparator", "LoadLibraryWithNonConstantString" })
-    public static void load(final Class<?> context, final String name) {
+    public static boolean load(final Class<?> context, final String name) {
 
         // Try to load the library using the native system.
         try {
             System.loadLibrary( name );
-            return;
+            return true;
         }
         catch (@SuppressWarnings("ErrorNotRethrown") final UnsatisfiedLinkError ignored) {
         }
 
         // Try to find and open a stream to the packaged library resource.
-        try {
-            String      library          = System.mapLibraryName( name );
-            int         libraryDot       = library.lastIndexOf( EXTENSION_SEPARATOR );
-            String      libraryName      = (libraryDot > 0)? library.substring( 0, libraryDot ): library;
-            String      libraryExtension = (libraryDot > 0)? library.substring( libraryDot ): ".lib";
-            String      libraryResource  = getLibraryResource( library );
-            InputStream libraryStream    = context.getResourceAsStream( libraryResource );
-            if (libraryStream == null)
-                throw new IllegalStateException(
-                        "Library: " + name + " (" + libraryResource + "), not found in class loader for: " + context );
+        String             library          = System.mapLibraryName( name );
+        int                libraryDot       = library.lastIndexOf( EXTENSION_SEPARATOR );
+        String             libraryName      = (libraryDot > 0)? library.substring( 0, libraryDot ): library;
+        String             libraryExtension = (libraryDot > 0)? library.substring( libraryDot ): ".lib";
 
-            // Write the library resource to a temporary file.
-            File             libraryFile       = File.createTempFile( libraryName, libraryExtension );
-            FileOutputStream libraryFileStream = new FileOutputStream( libraryFile );
+        @Nullable
+        File libraryFile = null;
+        Set<String> libraryResources = getLibraryResources( library );
+        for (final String libraryResource : libraryResources) {
             try {
-                libraryFile.deleteOnExit();
-                ByteStreams.copy( libraryStream, libraryFileStream );
-            }
-            finally {
-                libraryFileStream.close();
-                libraryStream.close();
-            }
+                InputStream libraryStream = context.getResourceAsStream( libraryResource );
+                if (libraryStream == null) {
+                    logger.dbg( "No resource for library: %s", libraryResource );
+                    continue;
+                }
 
-            // Load the library from the temporary file.
-            System.load( libraryFile.getAbsolutePath() );
-        }
-        catch (final IOException e) {
-            throw new IllegalStateException( "Couldn't extract library: " + name, e );
+                // Write the library resource to a temporary file.
+                libraryFile = File.createTempFile( libraryName, libraryExtension );
+                FileOutputStream libraryFileStream = new FileOutputStream( libraryFile );
+                try {
+                    libraryFile.deleteOnExit();
+                    ByteStreams.copy( libraryStream, libraryFileStream );
+                }
+                finally {
+                    libraryFileStream.close();
+                    libraryStream.close();
+                }
+
+                // Load the library from the temporary file.
+                System.load( libraryFile.getAbsolutePath() );
+                return true;
+            }
+            catch (@SuppressWarnings("ErrorNotRethrown") final IOException | UnsatisfiedLinkError e) {
+                logger.dbg( e, "Couldn't load library: %s", libraryResource );
+
+                if (libraryFile != null)
+                    if (libraryFile.exists() && !libraryFile.delete())
+                        logger.wrn( "Couldn't clean up library file: %s", libraryFile );
+                libraryFile = null;
+            }
         }
+
+        return false;
     }
 
     @Nonnull
-    private static String getLibraryResource(final String library) {
-        String system       = ifNotNullElse( System.getProperty( "os.name" ), "linux" ).toLowerCase( Locale.ROOT );
-        String architecture = ifNotNullElse( System.getProperty( "os.arch" ), "x86" ).toLowerCase( Locale.ROOT );
-
+    private static Set<String> getLibraryResources(final String library) {
         // Standardize system naming in accordance with masterpassword-core.
-        if (system.contains( "windows" ))
-            system = "windows";
-        else if (system.contains( "mac os x" ) || system.contains( "darwin" ) || system.contains( "osx" ))
-            system = "macos";
-        else
-            system = "linux";
+        Sys system = Sys.findCurrent();
 
         // Standardize architecture naming in accordance with masterpassword-core.
-        if (ImmutableList.of( "arm", "arm-v7", "armv7", "arm32" ).contains( architecture ))
-            architecture = "arm";
-        else if (architecture.startsWith( "arm" ))
-            architecture = "arm64";
-        else if (ImmutableList.of( "x86_64", "amd64", "x64", "x86-64" ).contains( architecture ))
-            architecture = "x86_64";
-        else
-            architecture = "x86";
+        Collection<Arch> architectures = new LinkedHashSet<>();
+        architectures.add( Arch.findCurrent() );
+        architectures.addAll( Arrays.asList( Arch.values() ) );
 
-        return Joiner.on( RESOURCE_SEPARATOR ).join( "", NATIVES_PATH, system, architecture, library );
+        ImmutableSet.Builder<String> resources = ImmutableSet.builder();
+        for (final Arch arch : architectures)
+            resources.add( Joiner.on( RESOURCE_SEPARATOR ).join( "", NATIVES_PATH, system, arch, library ) );
+
+        return resources.build();
+    }
+
+    private enum Sys implements Predicate<String> {
+        windows {
+            @Override
+            public boolean test(final String system) {
+                return system.contains( "windows" );
+            }
+        },
+        macos {
+            @Override
+            public boolean test(final String system) {
+                return system.contains( "mac os x" ) || system.contains( "darwin" ) || system.contains( "osx" );
+            }
+        },
+        linux {
+            @Override
+            public boolean test(final String system) {
+                return system.contains( "linux" );
+            }
+        };
+
+        @Nonnull
+        public static Sys findCurrent() {
+            return find( System.getProperty( "os.name" ) );
+        }
+
+        @Nonnull
+        public static Sys find(@Nullable String name) {
+            if (name != null) {
+                name = name.toLowerCase( Locale.ROOT );
+
+                for (final Sys sys : values())
+                    if (sys.test( name ))
+                        return sys;
+            }
+
+            return linux;
+        }
+    }
+
+
+    private enum Arch implements Predicate<String> {
+        arm {
+            @Override
+            public boolean test(final String architecture) {
+                return ImmutableList.of( "arm", "arm-v7", "armv7", "arm32" ).contains( architecture );
+            }
+        },
+        arm64 {
+            @Override
+            public boolean test(final String architecture) {
+                return architecture.startsWith( "arm" ) && !arm.test( architecture );
+            }
+        },
+        x86_64 {
+            @Override
+            public boolean test(final String architecture) {
+                return ImmutableList.of( "x86_64", "amd64", "x64", "x86-64" ).contains( architecture );
+            }
+        },
+        x86 {
+            @Override
+            public boolean test(final String architecture) {
+                return ImmutableList.of( "x86", "i386", "i686" ).contains( architecture );
+            }
+        };
+
+        @Nonnull
+        public static Arch findCurrent() {
+            return find( System.getProperty( "os.arch" ) );
+        }
+
+        @Nonnull
+        public static Arch find(@Nullable String name) {
+            if (name != null) {
+                name = name.toLowerCase( Locale.ROOT );
+
+                for (final Arch arch : values())
+                    if (arch.test( name ))
+                        return arch;
+            }
+
+            return x86;
+        }
     }
 }

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/util/Utilities.java

@@ -0,0 +1,42 @@
+package com.lyndir.masterpassword.util;
+
+import java.util.function.Consumer;
+import java.util.function.Function;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+
+/**
+ * @author lhunath, 2018-07-25
+ */
+public final class Utilities {
+
+    @Nullable
+    public static <T, R> R ifNotNull(@Nullable final T value, final Function<T, R> consumer) {
+        if (value == null)
+            return null;
+
+        return consumer.apply( value );
+    }
+
+    @Nonnull
+    public static <T> T ifNotNullElse(@Nullable final T value, @Nonnull final T nullValue) {
+        if (value == null)
+            return nullValue;
+
+        return value;
+    }
+
+    @Nonnull
+    public static <T, R> R ifNotNullElse(@Nullable final T value, final Function<T, R> consumer, @Nonnull final R nullValue) {
+        if (value == null)
+            return nullValue;
+
+        return consumer.apply( value );
+    }
+
+    public static <T> void ifNotNullDo(@Nullable final T value, final Consumer<T> consumer) {
+        if (value != null)
+            consumer.accept( value );
+    }
+}

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/util/package-info.java

@@ -0,0 +1,7 @@
+/**
+ * @author lhunath, 2018-07-25
+ */
+@ParametersAreNonnullByDefault
+package com.lyndir.masterpassword.util;
+
+import javax.annotation.ParametersAreNonnullByDefault;

platform-independent/java/gui/build.gradle

@@ -5,32 +5,37 @@ plugins {
 }
 
 description = 'Master Password GUI'
-mainClassName = 'com.lyndir.masterpassword.gui.GUI'
+mainClassName = 'com.lyndir.masterpassword.gui.MasterPassword'
 
 dependencies {
     implementation group: 'com.lyndir.lhunath.opal', name: 'opal-system', version: '1.7-p2'
     implementation group: 'ch.qos.logback', name: 'logback-classic', version: '1.1.2'
     implementation group: 'com.yuvimasory', name: 'orange-extensions', version: '1.3.0'
+    implementation group: 'com.github.tulskiy', name: 'jkeymaster', version: '1.2'
 
     compile project( ':masterpassword-model' )
 }
 
 
-// release with: STORE_PW=$(mpw masterpassword.keystore) KEY_PW_ANDROID=$(mpw masterpassword-android) gradle masterpassword-gui:shadowJar
-shadowJar.doLast {
-    if (System.getenv( 'KEY_PW_DESKTOP' ) != null)
-        ant.signjar(
-            jar: archivePath,
-            alias: 'masterpassword-desktop',
-            keystore: 'masterpassword.keystore',
-            storepass: System.getenv( 'STORE_PW' ),
-            keypass: System.getenv( 'KEY_PW_DESKTOP' ),
-            preservelastmodified: 'true',
-            destdir: '.'
-        )
+// release with: STORE_PW=$(mpw masterpassword.keystore) KEY_PW_DESKTOP=$(mpw masterpassword-desktop) gradle clean masterpassword-gui:shadowJar
+shadowJar {
+    manifest {
+        attributes 'Implementation-Title': description
+        attributes 'Implementation-Version': version
+    }
+    doLast {
+        if (System.getenv( 'KEY_PW_DESKTOP' ) != null)
+            ant.signjar( jar: archivePath,
+                         alias: 'masterpassword-desktop',
+                         keystore: 'masterpassword.keystore',
+                         storepass: System.getenv( 'STORE_PW' ),
+                         keypass: System.getenv( 'KEY_PW_DESKTOP' ),
+                         preservelastmodified: 'true',
+                         destdir: '.' )
+    }
 }
 
 run {
     // I don't fully understand why this is necessary, but without it -Dmp.log.level is lost.
-    systemProperties = System.properties
+    //systemProperties = System.properties
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/GUI.java

@@ -1,143 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui;
-
-import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
-
-import com.google.common.base.Charsets;
-import com.google.common.io.ByteSource;
-import com.lyndir.lhunath.opal.system.logging.Logger;
-import com.lyndir.lhunath.opal.system.util.TypeUtils;
-import com.lyndir.masterpassword.gui.view.PasswordFrame;
-import com.lyndir.masterpassword.gui.view.UnlockFrame;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.reflect.InvocationTargetException;
-import java.net.*;
-import java.util.Enumeration;
-import java.util.Optional;
-import java.util.jar.*;
-import javax.swing.*;
-
-
-/**
- * <p> <i>Jun 10, 2008</i> </p>
- *
- * @author mbillemo
- */
-public class GUI implements UnlockFrame.SignInCallback {
-
-    @SuppressWarnings("UnusedDeclaration")
-    private static final Logger logger = Logger.get( GUI.class );
-
-    private final UnlockFrame         unlockFrame = new UnlockFrame( this );
-    private       PasswordFrame<?, ?> passwordFrame;
-
-    public static void main(final String... args) {
-        Thread.setDefaultUncaughtExceptionHandler(
-                (t, e) -> logger.err( e, "Uncaught: %s", e.getLocalizedMessage() ) );
-
-        if (Config.get().checkForUpdates())
-            checkUpdate();
-
-        // Try and set the system look & feel, if available.
-        try {
-            UIManager.setLookAndFeel( UIManager.getSystemLookAndFeelClassName() );
-        }
-        catch (final UnsupportedLookAndFeelException | ClassNotFoundException | InstantiationException | IllegalAccessException ignored) {
-        }
-
-        create().open();
-    }
-
-    private static GUI create() {
-        try {
-            // AppleGUI adds support for macOS features.
-            Optional<Class<GUI>> appleGUI = TypeUtils.loadClass( "com.lyndir.masterpassword.gui.platform.mac.AppleGUI" );
-            if (appleGUI.isPresent())
-                return appleGUI.get().getConstructor().newInstance();
-        }
-        catch (@SuppressWarnings("ErrorNotRethrown") final LinkageError ignored) {
-        }
-        catch (final IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            throw logger.bug( e );
-        }
-
-        // Use platform-independent GUI.
-        return new GUI();
-    }
-
-    private static void checkUpdate() {
-        try {
-            Enumeration<URL> manifestURLs = Thread.currentThread().getContextClassLoader().getResources( JarFile.MANIFEST_NAME );
-            while (manifestURLs.hasMoreElements())
-                try (InputStream manifestStream = manifestURLs.nextElement().openStream()) {
-                    Attributes attributes = new Manifest( manifestStream ).getMainAttributes();
-                    if (!GUI.class.getCanonicalName().equals( attributes.getValue( Attributes.Name.MAIN_CLASS ) ))
-                        continue;
-
-                    String manifestRevision = attributes.getValue( Attributes.Name.IMPLEMENTATION_VERSION );
-                    String upstreamRevision = new ByteSource() {
-                        @Override
-                        public InputStream openStream()
-                                throws IOException {
-                            URL           url  = URI.create( "https://masterpassword.app/masterpassword-gui.jar.rev" ).toURL();
-                            URLConnection conn = url.openConnection();
-                            conn.addRequestProperty( "User-Agent", "masterpassword-gui" );
-                            return conn.getInputStream();
-                        }
-                    }.asCharSource( Charsets.UTF_8 ).readFirstLine();
-
-                    if ((manifestRevision != null) && (upstreamRevision != null) && !manifestRevision.equalsIgnoreCase(
-                            upstreamRevision )) {
-                        logger.inf( "Local Revision:    <%s>", manifestRevision );
-                        logger.inf( "Upstream Revision: <%s>", upstreamRevision );
-                        logger.wrn( "You are not running the current official version.  Please update from:%n%s",
-                                    "https://masterpassword.app/masterpassword-gui.jar" );
-                        JOptionPane.showMessageDialog( null,
-                                                       strf( "A new version of Master Password is available.%n "
-                                                             + "Please download the latest version from %s",
-                                                             "https://masterpassword.app" ),
-                                                       "Update Available", JOptionPane.WARNING_MESSAGE );
-                    }
-                }
-                catch (final IOException e) {
-                    logger.wrn( e, "Couldn't check for version update." );
-                }
-        }
-        catch (final IOException e) {
-            logger.wrn( e, "Couldn't inspect JAR." );
-        }
-    }
-
-    protected void open() {
-        SwingUtilities.invokeLater( () -> {
-            if (passwordFrame == null)
-                unlockFrame.setVisible( true );
-            else
-                passwordFrame.setVisible( true );
-        } );
-    }
-
-    @Override
-    public void signedIn(final PasswordFrame<?, ?> passwordFrame) {
-        this.passwordFrame = passwordFrame;
-        open();
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/MPConfig.java

@@ -19,22 +19,22 @@
 package com.lyndir.masterpassword.gui;
 
 import com.lyndir.lhunath.opal.system.util.ConversionUtils;
-import com.lyndir.masterpassword.model.MPConstants;
+import com.lyndir.masterpassword.model.MPModelConstants;
 
 
 /**
  * @author lhunath, 2014-08-31
  */
 @SuppressWarnings("CallToSystemGetenv")
-public class Config {
+public class MPConfig {
 
-    private static final Config instance = new Config();
+    private static final MPConfig instance = new MPConfig();
 
-    public static Config get() {
+    public static MPConfig get() {
         return instance;
     }
 
     public boolean checkForUpdates() {
-        return ConversionUtils.toBoolean( System.getenv( MPConstants.env_checkUpdates ) ).orElse( true );
+        return ConversionUtils.toBoolean( System.getenv( MPModelConstants.env_checkUpdates ) ).orElse( true );
     }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/MPGuiConstants.java

@@ -0,0 +1,14 @@
+package com.lyndir.masterpassword.gui;
+
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+import javax.swing.*;
+
+
+/**
+ * @author lhunath, 2018-07-31
+ */
+public final class MPGuiConstants {
+
+    public static final KeyStroke ui_hotkey = KeyStroke.getKeyStroke( KeyEvent.VK_P, InputEvent.CTRL_DOWN_MASK | InputEvent.META_DOWN_MASK );
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/MasterPassword.java

@@ -0,0 +1,157 @@
+//==============================================================================
+// This file is part of Master Password.
+// Copyright (c) 2011-2017, Maarten Billemont.
+//
+// Master Password is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Master Password is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You can find a copy of the GNU General Public License in the
+// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
+//==============================================================================
+
+package com.lyndir.masterpassword.gui;
+
+import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
+
+import com.google.common.base.Charsets;
+import com.google.common.io.ByteSource;
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import com.lyndir.lhunath.opal.system.util.ObjectUtils;
+import com.lyndir.masterpassword.gui.util.*;
+import com.lyndir.masterpassword.gui.view.MasterPasswordFrame;
+import com.lyndir.masterpassword.model.MPUser;
+import com.tulskiy.keymaster.common.Provider;
+import java.awt.*;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.*;
+import java.util.Collection;
+import java.util.concurrent.CopyOnWriteArraySet;
+import javax.annotation.Nullable;
+import javax.swing.*;
+
+
+/**
+ * <p> <i>Jun 10, 2008</i> </p>
+ *
+ * @author mbillemo
+ */
+public final class MasterPassword {
+
+    @SuppressWarnings("UnusedDeclaration")
+    private static final Logger logger = Logger.get( MasterPassword.class );
+
+    private static final MasterPassword instance = new MasterPassword();
+
+    private final Collection<Listener> listeners = new CopyOnWriteArraySet<>();
+
+    @Nullable
+    private MasterPasswordFrame frame;
+    @Nullable
+    private MPUser<?>           activeUser;
+
+    public static MasterPassword get() {
+        return instance;
+    }
+
+    public void addListener(final Listener listener) {
+        if (listeners.add( listener ))
+            listener.onUserSelected( activeUser );
+    }
+
+    public void removeListener(final Listener listener) {
+        listeners.remove( listener );
+    }
+
+    public void activateUser(final MPUser<?> user) {
+        if (ObjectUtils.equals( activeUser, user ))
+            return;
+
+        activeUser = user;
+        for (final Listener listener : listeners)
+            listener.onUserSelected( activeUser );
+    }
+
+    @Nullable
+    public String version() {
+        return MasterPassword.class.getPackage().getImplementationVersion();
+    }
+
+    public void open() {
+        Res.ui( () -> {
+            if (frame == null)
+                frame = new MasterPasswordFrame();
+
+            frame.setAlwaysOnTop( true );
+            frame.setVisible( true );
+            frame.setExtendedState( Frame.NORMAL );
+            Platform.get().requestForeground();
+            frame.setAlwaysOnTop( false );
+        } );
+    }
+
+    public void checkUpdate() {
+        try {
+            String implementationVersion = version();
+            String latestVersion = new ByteSource() {
+                @Override
+                public InputStream openStream()
+                        throws IOException {
+                    URL           url  = URI.create( "https://masterpassword.app/masterpassword-gui.jar.rev" ).toURL();
+                    URLConnection conn = url.openConnection();
+                    conn.addRequestProperty( "User-Agent", "masterpassword-gui" );
+                    return conn.getInputStream();
+                }
+            }.asCharSource( Charsets.UTF_8 ).readFirstLine();
+
+            if ((implementationVersion != null) && !implementationVersion.equalsIgnoreCase( latestVersion )) {
+                logger.inf( "Implementation: <%s>", implementationVersion );
+                logger.inf( "Latest        : <%s>", latestVersion );
+                logger.wrn( "You are not running the current official version.  Please update from:%n%s",
+                            "https://masterpassword.app/masterpassword-gui.jar" );
+                JOptionPane.showMessageDialog( null, Components.linkLabel( strf(
+                        "A new version of Master Password is available."
+                        + "<p>Please download the latest version from <a href='https://masterpassword.app'>https://masterpassword.app</a>." ) ),
+                                               "Update Available", JOptionPane.INFORMATION_MESSAGE );
+            }
+        }
+        catch (final IOException e) {
+            logger.wrn( e, "Couldn't check for version update." );
+        }
+    }
+
+    public static void main(final String... args) {
+        //Thread.setDefaultUncaughtExceptionHandler(
+        //        (t, e) -> logger.bug( e, "Uncaught: %s", e.getLocalizedMessage() ) );
+
+        // Try and set the system look & feel, if available.
+        try {
+            UIManager.setLookAndFeel( UIManager.getSystemLookAndFeelClassName() );
+            Platform.get().installAppForegroundHandler( get()::open );
+            Platform.get().installAppReopenHandler( get()::open );
+            Provider.getCurrentProvider( true ).register( MPGuiConstants.ui_hotkey, hotKey -> get().open() );
+        }
+        catch (final UnsupportedLookAndFeelException | ClassNotFoundException | InstantiationException | IllegalAccessException ignored) {
+        }
+
+        // Create a platform-specific GUI and open it.
+        get().open();
+
+        // Check online to see if this version has been superseded.
+        if (MPConfig.get().checkForUpdates())
+            get().checkUpdate();
+    }
+
+    @SuppressWarnings("InterfaceMayBeAnnotatedFunctional")
+    public interface Listener {
+
+        void onUserSelected(@Nullable MPUser<?> user);
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/Res.java

@@ -1,356 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui;
-
-import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
-import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
-
-import com.google.common.collect.Maps;
-import com.google.common.io.Resources;
-import com.google.common.util.concurrent.JdkFutureAdapters;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.lyndir.lhunath.opal.system.logging.Logger;
-import com.lyndir.masterpassword.MPIdenticon;
-import java.awt.*;
-import java.awt.event.WindowAdapter;
-import java.awt.event.WindowEvent;
-import java.awt.image.ImageObserver;
-import java.io.IOException;
-import java.lang.ref.SoftReference;
-import java.net.URL;
-import java.util.Map;
-import java.util.WeakHashMap;
-import java.util.concurrent.*;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import javax.swing.*;
-import org.jetbrains.annotations.NonNls;
-
-
-/**
- * @author lhunath, 2014-06-11
- */
-@SuppressWarnings({ "HardcodedFileSeparator", "MethodReturnAlwaysConstant", "SpellCheckingInspection" })
-public abstract class Res {
-
-    private static final int                                   AVATAR_COUNT        = 19;
-    private static final Map<Window, ScheduledExecutorService> jobExecutorByWindow = new WeakHashMap<>();
-    private static final Executor                              immediateUiExecutor = new SwingExecutorService( true );
-    private static final Executor                              laterUiExecutor     = new SwingExecutorService( false );
-    private static final Logger                                logger              = Logger.get( Res.class );
-    private static final Colors                                colors              = new Colors();
-
-    public static Future<?> job(final Window host, final Runnable job) {
-        return job( host, job, 0, TimeUnit.MILLISECONDS );
-    }
-
-    public static Future<?> job(final Window host, final Runnable job, final long delay, final TimeUnit timeUnit) {
-        return jobExecutor( host ).schedule( () -> {
-            try {
-                job.run();
-            }
-            catch (final Throwable t) {
-                logger.err( t, "Unexpected: %s", t.getLocalizedMessage() );
-            }
-        }, delay, timeUnit );
-    }
-
-    public static <V> ListenableFuture<V> job(final Window host, final Callable<V> job) {
-        return job( host, job, 0, TimeUnit.MILLISECONDS );
-    }
-
-    public static <V> ListenableFuture<V> job(final Window host, final Callable<V> job, final long delay, final TimeUnit timeUnit) {
-        ScheduledExecutorService executor = jobExecutor( host );
-        return JdkFutureAdapters.listenInPoolThread( executor.schedule( job::call, delay, timeUnit ), executor );
-    }
-
-    public static Executor uiExecutor(final boolean immediate) {
-        return immediate? immediateUiExecutor: laterUiExecutor;
-    }
-
-    public static ScheduledExecutorService jobExecutor(final Window host) {
-        ScheduledExecutorService executor = jobExecutorByWindow.get( host );
-
-        if (executor == null) {
-            jobExecutorByWindow.put( host, executor = Executors.newSingleThreadScheduledExecutor() );
-
-            host.addWindowListener( new WindowAdapter() {
-                @Override
-                public void windowClosed(final WindowEvent e) {
-                    ExecutorService executor = jobExecutorByWindow.remove( host );
-                    if (executor != null)
-                        executor.shutdownNow();
-                }
-            } );
-        }
-
-        return executor;
-    }
-
-    public static Icon iconAdd() {
-        return new RetinaIcon( Resources.getResource( "media/icon_add@2x.png" ) );
-    }
-
-    public static Icon iconDelete() {
-        return new RetinaIcon( Resources.getResource( "media/icon_delete@2x.png" ) );
-    }
-
-    public static Icon iconQuestion() {
-        return new RetinaIcon( Resources.getResource( "media/icon_question@2x.png" ) );
-    }
-
-    public static Icon avatar(final int index) {
-        return new RetinaIcon( Resources.getResource( strf( "media/avatar-%d@2x.png", index % avatars() ) ) );
-    }
-
-    public static int avatars() {
-        return AVATAR_COUNT;
-    }
-
-    public static Font emoticonsFont() {
-        return emoticonsRegular();
-    }
-
-    public static Font controlFont() {
-        return arimoRegular();
-    }
-
-    public static Font valueFont() {
-        return sourceSansProRegular();
-    }
-
-    public static Font bigValueFont() {
-        return sourceSansProBlack();
-    }
-
-    public static Font emoticonsRegular() {
-        return font( "fonts/Emoticons-Regular.otf" );
-    }
-
-    public static Font sourceCodeProRegular() {
-        return font( "fonts/SourceCodePro-Regular.otf" );
-    }
-
-    public static Font sourceCodeProBlack() {
-        return font( "fonts/SourceCodePro-Bold.otf" );
-    }
-
-    public static Font sourceSansProRegular() {
-        return font( "fonts/SourceSansPro-Regular.otf" );
-    }
-
-    public static Font sourceSansProBlack() {
-        return font( "fonts/SourceSansPro-Bold.otf" );
-    }
-
-    public static Font exoBold() {
-        return font( "fonts/Exo2.0-Bold.otf" );
-    }
-
-    public static Font exoExtraBold() {
-        return font( "fonts/Exo2.0-ExtraBold.otf" );
-    }
-
-    public static Font exoRegular() {
-        return font( "fonts/Exo2.0-Regular.otf" );
-    }
-
-    public static Font exoThin() {
-        return font( "fonts/Exo2.0-Thin.otf" );
-    }
-
-    public static Font arimoBold() {
-        return font( "fonts/Arimo-Bold.ttf" );
-    }
-
-    public static Font arimoBoldItalic() {
-        return font( "fonts/Arimo-BoldItalic.ttf" );
-    }
-
-    public static Font arimoItalic() {
-        return font( "fonts/Arimo-Italic.ttf" );
-    }
-
-    public static Font arimoRegular() {
-        return font( "fonts/Arimo-Regular.ttf" );
-    }
-
-    private static Font font(@NonNls final String fontResourceName) {
-        Map<String, SoftReference<Font>> fontsByResourceName = Maps.newHashMap();
-        SoftReference<Font>              fontRef             = fontsByResourceName.get( fontResourceName );
-        Font                             font                = (fontRef == null)? null: fontRef.get();
-        if (font == null)
-            try {
-                fontsByResourceName.put( fontResourceName, new SoftReference<>(
-                        font = Font.createFont( Font.TRUETYPE_FONT, Resources.getResource( fontResourceName ).openStream() ) ) );
-            }
-            catch (final FontFormatException | IOException e) {
-                throw logger.bug( e );
-            }
-
-        return font;
-    }
-
-    public static Colors colors() {
-        return colors;
-    }
-
-    private static final class RetinaIcon extends ImageIcon {
-
-        private static final Pattern scalePattern     = Pattern.compile( ".*@(\\d+)x.[^.]+$" );
-        private static final long    serialVersionUID = 1L;
-
-        private final float scale;
-
-        private RetinaIcon(final URL url) {
-            super( url );
-
-            Matcher scaleMatcher = scalePattern.matcher( url.getPath() );
-            scale = scaleMatcher.matches()? Float.parseFloat( scaleMatcher.group( 1 ) ): 1;
-        }
-
-        //private static URL retinaURL(final URL url) {
-        //    try {
-        //        final boolean[] isRetina = new boolean[1];
-        //        new apple.awt.CImage.HiDPIScaledImage(1,1, BufferedImage.TYPE_INT_ARGB) {
-        //            @Override
-        //            public void drawIntoImage(BufferedImage image, float v) {
-        //                isRetina[0] = v > 1;
-        //            }
-        //        };
-        //        return isRetina[0];
-        //    } catch (Throwable e) {
-        //        e.printStackTrace();
-        //        return url;
-        //    }
-        //}
-
-        @Override
-        public int getIconWidth() {
-            return (int) (super.getIconWidth() / scale);
-        }
-
-        @Override
-        public int getIconHeight() {
-            return (int) (super.getIconHeight() / scale);
-        }
-
-        @Override
-        public synchronized void paintIcon(final Component c, final Graphics g, final int x, final int y) {
-            ImageObserver observer = ifNotNullElse( getImageObserver(), c );
-
-            Image      image  = getImage();
-            int        width  = image.getWidth( observer );
-            int        height = image.getHeight( observer );
-            Graphics2D g2d    = (Graphics2D) g.create( x, y, width, height );
-
-            g2d.scale( 1 / scale, 1 / scale );
-            g2d.drawImage( image, 0, 0, observer );
-            g2d.scale( 1, 1 );
-            g2d.dispose();
-        }
-    }
-
-
-    public static class Colors {
-
-        private final Color frameBg       = Color.decode( "#5A5D6B" );
-        private final Color controlBg     = Color.decode( "#ECECEC" );
-        private final Color controlBorder = Color.decode( "#BFBFBF" );
-
-        public Color frameBg() {
-            return frameBg;
-        }
-
-        public Color controlBg() {
-            return controlBg;
-        }
-
-        public Color controlBorder() {
-            return controlBorder;
-        }
-
-        public Color fromIdenticonColor(final MPIdenticon.Color identiconColor, final BackgroundMode backgroundMode) {
-            switch (identiconColor) {
-                case RED:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#dc322f" );
-                        case LIGHT:
-                            return Color.decode( "#dc322f" );
-                    }
-                    break;
-                case GREEN:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#859900" );
-                        case LIGHT:
-                            return Color.decode( "#859900" );
-                    }
-                    break;
-                case YELLOW:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#b58900" );
-                        case LIGHT:
-                            return Color.decode( "#b58900" );
-                    }
-                    break;
-                case BLUE:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#268bd2" );
-                        case LIGHT:
-                            return Color.decode( "#268bd2" );
-                    }
-                    break;
-                case MAGENTA:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#d33682" );
-                        case LIGHT:
-                            return Color.decode( "#d33682" );
-                    }
-                    break;
-                case CYAN:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#2aa198" );
-                        case LIGHT:
-                            return Color.decode( "#2aa198" );
-                    }
-                    break;
-                case MONO:
-                    switch (backgroundMode) {
-                        case DARK:
-                            return Color.decode( "#93a1a1" );
-                        case LIGHT:
-                            return Color.decode( "#586e75" );
-                    }
-                    break;
-            }
-
-            throw new IllegalArgumentException( strf( "Color: %s or mode: %s not supported: ", identiconColor, backgroundMode ) );
-        }
-
-        public enum BackgroundMode {
-            DARK, LIGHT
-        }
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/model/MPIncognitoQuestion.java

@@ -31,17 +31,7 @@ import javax.annotation.Nullable;
  */
 public class MPIncognitoQuestion extends MPBasicQuestion {
 
-    private final MPIncognitoSite site;
-
     public MPIncognitoQuestion(final MPIncognitoSite site, final String keyword, @Nullable final MPResultType type) {
-        super( keyword, ifNotNullElse( type, site.getAlgorithm().mpw_default_answer_type() ) );
-
-        this.site = site;
-    }
-
-    @Nonnull
-    @Override
-    public MPIncognitoSite getSite() {
-        return site;
+        super( site, keyword, ifNotNullElse( type, site.getAlgorithm().mpw_default_answer_type() ) );
     }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/model/MPIncognitoSite.java

@@ -29,25 +29,21 @@ import javax.annotation.Nullable;
 /**
  * @author lhunath, 14-12-16
  */
-public class MPIncognitoSite extends MPBasicSite<MPIncognitoQuestion> {
+public class MPIncognitoSite extends MPBasicSite<MPIncognitoUser, MPIncognitoQuestion> {
 
-    private final MPIncognitoUser user;
-
-    public MPIncognitoSite(final MPIncognitoUser user, final String name) {
-        this( user, name, null, null, null, null );
+    public MPIncognitoSite(final MPIncognitoUser user, final String siteName) {
+        this( user, siteName, null, null, null, null );
     }
 
-    public MPIncognitoSite(final MPIncognitoUser user, final String name,
+    public MPIncognitoSite(final MPIncognitoUser user, final String siteName,
                            @Nullable final MPAlgorithm algorithm, @Nullable final UnsignedInteger counter,
                            @Nullable final MPResultType resultType, @Nullable final MPResultType loginType) {
-        super( name, (algorithm == null)? user.getAlgorithm(): algorithm, counter, resultType, loginType );
-
-        this.user = user;
+        super( user, siteName, (algorithm == null)? user.getAlgorithm(): algorithm, counter, resultType, loginType );
     }
 
     @Nonnull
     @Override
-    public MPIncognitoUser getUser() {
-        return user;
+    public MPIncognitoQuestion addQuestion(final String keyword) {
+        return addQuestion( new MPIncognitoQuestion( this, keyword, null ) );
     }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/model/MPIncognitoUser.java

@@ -20,6 +20,7 @@ package com.lyndir.masterpassword.gui.model;
 
 import com.lyndir.masterpassword.MPAlgorithm;
 import com.lyndir.masterpassword.model.impl.MPBasicUser;
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 
@@ -37,4 +38,10 @@ public class MPIncognitoUser extends MPBasicUser<MPIncognitoSite> {
     public byte[] getKeyID() {
         return null;
     }
+
+    @Nonnull
+    @Override
+    public MPIncognitoSite addSite(final String siteName) {
+        return addSite( new MPIncognitoSite( this, siteName ) );
+    }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/model/MPNewQuestion.java

@@ -0,0 +1,15 @@
+package com.lyndir.masterpassword.gui.model;
+
+import com.lyndir.masterpassword.model.MPSite;
+import com.lyndir.masterpassword.model.impl.MPBasicQuestion;
+
+
+/**
+ * @author lhunath, 2018-07-27
+ */
+public class MPNewQuestion extends MPBasicQuestion {
+
+    public MPNewQuestion(final MPSite<?> site, final String keyword) {
+        super( site, keyword, site.getAlgorithm().mpw_default_answer_type() );
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/model/MPNewSite.java

@@ -0,0 +1,22 @@
+package com.lyndir.masterpassword.gui.model;
+
+import com.lyndir.masterpassword.model.*;
+import com.lyndir.masterpassword.model.impl.*;
+import javax.annotation.Nonnull;
+
+
+/**
+ * @author lhunath, 2018-07-27
+ */
+public class MPNewSite extends MPBasicSite<MPUser<?>, MPQuestion> {
+
+    public MPNewSite(final MPUser<?> user, final String siteName) {
+        super( user, siteName );
+    }
+
+    @Nonnull
+    @Override
+    public MPQuestion addQuestion(final String keyword) {
+        throw new UnsupportedOperationException( "Cannot add a question to a site that hasn't been created yet." );
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/platform/mac/AppleGUI.java

@@ -1,57 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui.platform.mac;
-
-import com.apple.eawt.*;
-import com.google.common.base.Preconditions;
-import com.lyndir.masterpassword.gui.GUI;
-
-
-/**
- * @author lhunath, 2014-06-10
- */
-public class AppleGUI extends GUI {
-
-    static Application application;
-
-    static {
-        application = Preconditions.checkNotNull( Application.getApplication(), "Not an Apple Java application." );
-    }
-
-    public AppleGUI() {
-        application.addAppEventListener( new ApplicationListener() );
-    }
-
-    private class ApplicationListener implements AppForegroundListener, AppReOpenedListener {
-
-        @Override
-        public void appMovedToBackground(final AppEvent.AppForegroundEvent arg0) {
-        }
-
-        @Override
-        public void appRaisedToForeground(final AppEvent.AppForegroundEvent arg0) {
-            open();
-        }
-
-        @Override
-        public void appReOpened(final AppEvent.AppReOpenedEvent arg0) {
-            open();
-        }
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/CollectionListModel.java

@@ -0,0 +1,149 @@
+package com.lyndir.masterpassword.gui.util;
+
+import java.util.*;
+import java.util.function.Consumer;
+import javax.annotation.Nullable;
+import javax.swing.*;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+
+
+/**
+ * @author lhunath, 2018-07-19
+ */
+@SuppressWarnings("serial")
+public class CollectionListModel<E> extends AbstractListModel<E>
+        implements ComboBoxModel<E>, ListSelectionListener, Selectable<E, CollectionListModel<E>> {
+
+    private final List<E>     model = new LinkedList<>();
+    @Nullable
+    private       JList<E>    list;
+    @Nullable
+    private       E           selectedItem;
+    @Nullable
+    private       Consumer<E> selectionConsumer;
+
+    @SafeVarargs
+    public CollectionListModel(final E... elements) {
+        this( Arrays.asList( elements ) );
+    }
+
+    public CollectionListModel(final Collection<? extends E> elements) {
+        model.addAll( elements );
+        selectedItem = getElementAt( 0 );
+        fireIntervalAdded( this, 0, model.size() );
+    }
+
+    @Override
+    public synchronized int getSize() {
+        return model.size();
+    }
+
+    @Nullable
+    @Override
+    public synchronized E getElementAt(final int index) {
+        return (index < model.size())? model.get( index ): null;
+    }
+
+    /**
+     * Replace this model's contents with the objects from the new model collection.
+     *
+     * This operation will mutate the internal model to reflect the given model.
+     * The given model will remain untouched and independent from this object.
+     */
+    @SuppressWarnings({ "unchecked", "SuspiciousToArrayCall" })
+    public synchronized void set(final Collection<? extends E> elements) {
+        set( (E[]) elements.toArray( new Object[0] ) );
+    }
+
+    @SuppressWarnings("AssignmentToForLoopParameter")
+    public synchronized void set(final E... elements) {
+        ListIterator<E> oldIt = model.listIterator();
+        for (int from = 0; oldIt.hasNext(); ++from) {
+            int to = Arrays.binarySearch( elements, oldIt.next() );
+
+            if (to != from) {
+                oldIt.remove();
+                fireIntervalRemoved( this, from, from );
+                --from;
+            }
+        }
+
+        for (int to = 0; to < elements.length; ++to) {
+            E newSite = elements[to];
+
+            if ((to >= model.size()) || !Objects.equals( model.get( to ), newSite )) {
+                model.add( to, newSite );
+                fireIntervalAdded( this, to, to );
+            }
+        }
+
+        if ((selectedItem == null) || !model.contains( selectedItem ))
+            setSelectedItem( getElementAt( 0 ) );
+    }
+
+    @Override
+    @SuppressWarnings({ "unchecked", "SuspiciousMethodCalls" })
+    public synchronized void setSelectedItem(@Nullable final Object newSelectedItem) {
+        if (!Objects.equals( selectedItem, newSelectedItem )) {
+            selectedItem = (E) newSelectedItem;
+
+            fireContentsChanged( this, -1, -1 );
+            //noinspection ObjectEquality
+            if ((list != null) && (list.getModel() == this))
+                list.setSelectedValue( selectedItem, true );
+
+            if (selectionConsumer != null)
+                selectionConsumer.accept( selectedItem );
+        }
+    }
+
+    @Nullable
+    @Override
+    public synchronized E getSelectedItem() {
+        return selectedItem;
+    }
+
+    public CollectionListModel<E> select(final E selectedItem) {
+        setSelectedItem( selectedItem );
+        return this;
+    }
+
+    public synchronized void registerList(final JList<E> list) {
+        // TODO: This class should probably implement ListSelectionModel instead.
+        if (this.list != null)
+            this.list.removeListSelectionListener( this );
+
+        this.list = list;
+        this.list.addListSelectionListener( this );
+        this.list.setModel( this );
+    }
+
+    @Override
+    public synchronized CollectionListModel<E> selection(@Nullable final Consumer<E> selectionConsumer) {
+        this.selectionConsumer = selectionConsumer;
+        if (selectionConsumer != null)
+            selectionConsumer.accept( selectedItem );
+
+        return this;
+    }
+
+    @Override
+    public synchronized CollectionListModel<E> selection(@Nullable final E selectedItem, @Nullable final Consumer<E> selectionConsumer) {
+        this.selectionConsumer = null;
+        setSelectedItem( selectedItem );
+
+        return selection( selectionConsumer );
+    }
+
+    @Override
+    public synchronized void valueChanged(final ListSelectionEvent event) {
+        //noinspection ObjectEquality
+        if (!event.getValueIsAdjusting() && (event.getSource() == list) && (list.getModel() == this)) {
+            selectedItem = list.getSelectedValue();
+
+            if (selectionConsumer != null)
+                selectionConsumer.accept( selectedItem );
+        }
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/Components.java

@@ -18,24 +18,51 @@
 
 package com.lyndir.masterpassword.gui.util;
 
-import com.lyndir.masterpassword.gui.Res;
+import com.google.common.base.Strings;
+import com.lyndir.lhunath.opal.system.logging.Logger;
 import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+import java.net.URISyntaxException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.function.Consumer;
+import java.util.function.Function;
 import javax.annotation.Nullable;
 import javax.swing.*;
 import javax.swing.border.Border;
 import javax.swing.border.CompoundBorder;
+import javax.swing.event.HyperlinkEvent;
+import javax.swing.text.*;
+import org.jetbrains.annotations.NonNls;
 
 
 /**
  * @author lhunath, 2014-06-08
  */
+@SuppressWarnings({ "SerializableStoresNonSerializable", "serial" })
 public abstract class Components {
 
-    private static final float CONTROL_TEXT_SIZE = 12f;
+    private static final Logger logger = Logger.get( Components.class );
 
-    public static GradientPanel boxLayout(final int axis, final Component... components) {
-        GradientPanel container = gradientPanel( null, null );
-        //        container.setBackground( Color.red );
+    public static final float TEXT_SIZE_HEADING = 19f;
+    public static final float TEXT_SIZE_CONTROL = 13f;
+    public static final int   SIZE_MARGIN       = 12;
+    public static final int   SIZE_PADDING      = 8;
+
+    public static GradientPanel panel(final Component... components) {
+        GradientPanel panel = panel( BoxLayout.LINE_AXIS, null, components );
+        panel.setLayout( new OverlayLayout( panel ) );
+        return panel;
+    }
+
+    public static GradientPanel panel(final int axis, final Component... components) {
+        return panel( axis, null, components );
+    }
+
+    public static GradientPanel panel(final int axis, @Nullable final Color background, final Component... components) {
+        GradientPanel container = panel( null, background );
         container.setLayout( new BoxLayout( container, axis ) );
         for (final Component component : components)
             container.add( component );
@@ -43,46 +70,142 @@ public abstract class Components {
         return container;
     }
 
-    public static GradientPanel borderPanel(final JComponent component, @Nullable final Border border) {
-        return borderPanel( component, border, null );
+    public static GradientPanel borderPanel(final int axis, final Component... components) {
+        return borderPanel( marginBorder(), null, axis, components );
     }
 
-    public static GradientPanel borderPanel(final JComponent component, @Nullable final Border border, @Nullable final Color background) {
-        GradientPanel box = boxLayout( BoxLayout.LINE_AXIS, component );
+    public static GradientPanel borderPanel(@Nullable final Border border, final int axis, final Component... components) {
+        return borderPanel( border, null, axis, components );
+    }
 
+    public static GradientPanel borderPanel(@Nullable final Color background, final int axis, final Component... components) {
+        return borderPanel( marginBorder(), background, axis, components );
+    }
+
+    public static GradientPanel borderPanel(@Nullable final Border border, @Nullable final Color background, final int axis,
+                                            final Component... components) {
+        GradientPanel box = panel( axis, background, components );
         if (border != null)
             box.setBorder( border );
 
-        if (background != null)
-            box.setBackground( background );
-
         return box;
     }
 
-    public static GradientPanel gradientPanel(@Nullable final LayoutManager layout, @Nullable final Color color) {
-        return new GradientPanel( layout, color ) {
-            {
-                setOpaque( color != null );
-                setBackground( null );
-                setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
-            }
-        };
+    public static GradientPanel panel(@Nullable final LayoutManager layout) {
+        return panel( layout, null );
+    }
+
+    public static GradientPanel panel(@Nullable final LayoutManager layout, @Nullable final Color color) {
+        return new GradientPanel( layout, color );
+    }
+
+    public static int showDialog(@Nullable final Component owner, @Nullable final String title, final JOptionPane pane) {
+        JDialog dialog = pane.createDialog( owner, title );
+        dialog.setMinimumSize( new Dimension( 520, 0 ) );
+        dialog.setModalityType( Dialog.ModalityType.DOCUMENT_MODAL );
+        showDialog( dialog );
+
+        Object selectedValue = pane.getValue();
+        if (selectedValue == null)
+            return JOptionPane.CLOSED_OPTION;
+
+        Object[] options = pane.getOptions();
+        if (options == null)
+            return (selectedValue instanceof Integer)? (Integer) selectedValue: JOptionPane.CLOSED_OPTION;
+
+        try {
+            int option = Arrays.binarySearch( options, selectedValue );
+            return (option < 0)? JOptionPane.CLOSED_OPTION: option;
+        }
+        catch (final ClassCastException ignored) {
+            return JOptionPane.CLOSED_OPTION;
+        }
+    }
+
+    @Nullable
+    public static File showLoadDialog(@Nullable final Component owner, final String title) {
+        return showFileDialog( owner, title, FileDialog.LOAD, null );
+    }
+
+    @Nullable
+    public static File showSaveDialog(@Nullable final Component owner, final String title, final String fileName) {
+        return showFileDialog( owner, title, FileDialog.SAVE, fileName );
+    }
+
+    @Nullable
+    private static File showFileDialog(@Nullable final Component owner, final String title,
+                                       final int mode, @Nullable final String fileName) {
+        FileDialog fileDialog = new FileDialog( JOptionPane.getFrameForComponent( owner ), title, mode );
+        fileDialog.setFile( fileName );
+        fileDialog.setLocationRelativeTo( owner );
+        fileDialog.setLocationByPlatform( true );
+        fileDialog.setVisible( true );
+
+        File[] selectedFiles = fileDialog.getFiles();
+        return ((selectedFiles != null) && (selectedFiles.length > 0))? selectedFiles[0]: null;
+    }
+
+    public static JDialog showDialog(@Nullable final Component owner, @Nullable final String title, final Container content) {
+        JDialog dialog = new JDialog( (owner != null)? SwingUtilities.windowForComponent( owner ): null,
+                                      title, Dialog.ModalityType.DOCUMENT_MODAL );
+        dialog.setMinimumSize( new Dimension( 320, 0 ) );
+        dialog.setLocationRelativeTo( owner );
+        dialog.setContentPane( content );
+
+        return showDialog( dialog );
+    }
+
+    private static JDialog showDialog(final JDialog dialog) {
+        // OpenJDK does not correctly implement this setting in native code.
+        dialog.getRootPane().putClientProperty( "apple.awt.documentModalSheet", Boolean.TRUE );
+        dialog.getRootPane().putClientProperty( "Window.style", "small" );
+        dialog.pack();
+
+        dialog.setLocationByPlatform( true );
+        dialog.setVisible( true );
+
+        return dialog;
     }
 
     public static JTextField textField() {
-        return new JTextField() {
+        return textField( null );
+    }
+
+    public static JTextField textField(@Nullable final Document document) {
+        return new JTextField( document, null, 0 ) {
             {
                 setBorder( BorderFactory.createCompoundBorder( BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ),
                                                                BorderFactory.createEmptyBorder( 4, 4, 4, 4 ) ) );
-                setFont( Res.valueFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
             }
 
             @Override
             public Dimension getMaximumSize() {
-                return new Dimension( Integer.MAX_VALUE, getPreferredSize().height );
+                return new Dimension( Integer.MAX_VALUE, Integer.MAX_VALUE );
+            }
+        };
+    }
+
+    public static JTextField textField(@Nullable final String text, @Nullable final Consumer<String> change) {
+        return textField( new DocumentModel( new PlainDocument() ).selection( text, change ).getDocument() );
+    }
+
+    public static JTextArea textArea() {
+        return new JTextArea() {
+            {
+                setBorder( BorderFactory.createCompoundBorder( BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ),
+                                                               BorderFactory.createEmptyBorder( 4, 4, 4, 4 ) ) );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
+                setAlignmentX( LEFT_ALIGNMENT );
+
+                setLineWrap( true );
+                setRows( 3 );
+            }
+
+            @Override
+            public Dimension getMaximumSize() {
+                return new Dimension( Integer.MAX_VALUE, Integer.MAX_VALUE );
             }
         };
     }
@@ -93,7 +216,6 @@ public abstract class Components {
                 setBorder( BorderFactory.createCompoundBorder( BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ),
                                                                BorderFactory.createEmptyBorder( 4, 4, 4, 4 ) ) );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
             }
 
             @Override
@@ -103,49 +225,177 @@ public abstract class Components {
         };
     }
 
-    public static JButton button(final String label) {
-        return new JButton( label ) {
+    public static <E> JList<E> list(final ListModel<E> model, final Function<E, String> valueTransformer) {
+        return new JList<E>( model ) {
             {
-                setFont( Res.controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
+                setCellRenderer( new DefaultListCellRenderer() {
+                    @Override
+                    @SuppressWarnings({ "unchecked", "SerializableStoresNonSerializable" })
+                    public Component getListCellRendererComponent(final JList<?> list, final Object value, final int index,
+                                                                  final boolean isSelected, final boolean cellHasFocus) {
+                        String label = valueTransformer.apply( (E) value );
+                        super.getListCellRendererComponent(
+                                list, Strings.isNullOrEmpty( label )? " ": label, index, isSelected, cellHasFocus );
+                        setBorder( BorderFactory.createEmptyBorder( 2, 4, 2, 4 ) );
+
+                        return this;
+                    }
+                } );
+
+                if (model instanceof CollectionListModel)
+                    ((CollectionListModel<E>) model).registerList( this );
             }
 
             @Override
             public Dimension getMaximumSize() {
-                return new Dimension( 20, getPreferredSize().height );
+                return new Dimension( Integer.MAX_VALUE, Integer.MAX_VALUE );
             }
         };
     }
 
-    public static Component stud() {
-        Dimension  studDimension = new Dimension( 8, 8 );
+    public static JScrollPane scrollPane(final Component child) {
+        return new JScrollPane( child ) {
+            {
+                setBorder( BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ) );
+                setAlignmentX( LEFT_ALIGNMENT );
+            }
+        };
+    }
+
+    public static JButton button(final String label, @Nullable final ActionListener actionListener) {
+        return button( new AbstractAction( label ) {
+            @Override
+            public void actionPerformed(final ActionEvent e) {
+                if (actionListener != null)
+                    actionListener.actionPerformed( e );
+            }
+
+            @Override
+            public boolean isEnabled() {
+                return actionListener != null;
+            }
+        } );
+    }
+
+    public static JButton button(final Icon icon, @Nullable final ActionListener actionListener, @Nullable String toolTip) {
+        JButton iconButton = button( new AbstractAction( null, icon ) {
+            @Override
+            public void actionPerformed(final ActionEvent e) {
+                if (actionListener != null)
+                    actionListener.actionPerformed( e );
+            }
+
+            @Override
+            public boolean isEnabled() {
+                return actionListener != null;
+            }
+        } );
+        iconButton.setToolTipText( toolTip );
+        iconButton.setFocusable( false );
+
+        return iconButton;
+    }
+
+    public static JButton button(final Action action) {
+        return new JButton( action ) {
+            {
+                setAlignmentX( LEFT_ALIGNMENT );
+
+                if (getText() == null) {
+                    setContentAreaFilled( false );
+                    setBorderPainted( false );
+                    setOpaque( false );
+                }
+            }
+        };
+    }
+
+    public static Component strut() {
+        return strut( SIZE_PADDING );
+    }
+
+    public static Component strut(final int size) {
+        Dimension  studDimension = new Dimension( size, size );
         Box.Filler rigidArea     = new Box.Filler( studDimension, studDimension, studDimension );
         rigidArea.setAlignmentX( Component.LEFT_ALIGNMENT );
-        rigidArea.setAlignmentY( Component.BOTTOM_ALIGNMENT );
         rigidArea.setBackground( Color.red );
         return rigidArea;
     }
 
+    public static int margin() {
+        return SIZE_MARGIN;
+    }
+
+    public static Border marginBorder() {
+        return marginBorder( margin() );
+    }
+
+    public static Border marginBorder(final int size) {
+        return BorderFactory.createEmptyBorder( size, size, size, size );
+    }
+
     public static JSpinner spinner(final SpinnerModel model) {
         return new JSpinner( model ) {
             {
                 CompoundBorder editorBorder = BorderFactory.createCompoundBorder(
                         BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ),
                         BorderFactory.createEmptyBorder( 4, 4, 4, 4 ) );
+                DefaultFormatterFactory formatterFactory = new DefaultFormatterFactory();
+                if (model instanceof UnsignedIntegerModel)
+                    formatterFactory.setDefaultFormatter( ((UnsignedIntegerModel) model).getFormatter() );
+                ((DefaultEditor) getEditor()).getTextField().setFormatterFactory( formatterFactory );
                 ((DefaultEditor) getEditor()).getTextField().setBorder( editorBorder );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
                 setBorder( null );
             }
+        };
+    }
+
+    public static JLabel heading() {
+        return heading( " " );
+    }
+
+    public static JLabel heading(final int horizontalAlignment) {
+        return heading( " ", horizontalAlignment );
+    }
+
+    public static JLabel heading(@Nullable final String heading) {
+        return heading( heading, SwingConstants.CENTER );
+    }
+
+    /**
+     * @param horizontalAlignment One of the following constants
+     *                            defined in {@code SwingConstants}:
+     *                            {@code LEFT},
+     *                            {@code CENTER},
+     *                            {@code RIGHT},
+     *                            {@code LEADING} or
+     *                            {@code TRAILING}.
+     */
+    public static JLabel heading(@Nullable final String heading, final int horizontalAlignment) {
+        return new JLabel( heading, horizontalAlignment ) {
+            {
+                setFont( getFont().deriveFont( Font.BOLD, TEXT_SIZE_HEADING ) );
+                setAlignmentX( LEFT_ALIGNMENT );
+            }
 
             @Override
             public Dimension getMaximumSize() {
-                return new Dimension( 20, getPreferredSize().height );
+                return new Dimension( Integer.MAX_VALUE, getPreferredSize().height );
             }
         };
     }
 
+    public static JLabel label() {
+        return label( " " );
+    }
+
+    public static JLabel label(final int horizontalAlignment) {
+        return label( " ", horizontalAlignment );
+    }
+
     public static JLabel label(@Nullable final String label) {
         return label( label, SwingConstants.LEADING );
     }
@@ -162,9 +412,7 @@ public abstract class Components {
     public static JLabel label(@Nullable final String label, final int horizontalAlignment) {
         return new JLabel( label, horizontalAlignment ) {
             {
-                setFont( Res.controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
             }
 
             @Override
@@ -177,30 +425,52 @@ public abstract class Components {
     public static JCheckBox checkBox(final String label) {
         return new JCheckBox( label ) {
             {
-                setFont( Res.controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
                 setBackground( null );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
             }
         };
     }
 
     @SafeVarargs
-    public static <V> JComboBox<V> comboBox(final V... values) {
-        return comboBox( new DefaultComboBoxModel<>( values ) );
+    public static <E> JComboBox<E> comboBox(final Function<E, String> valueTransformer, final E... values) {
+        return comboBox( new DefaultComboBoxModel<>( values ), valueTransformer );
     }
 
-    public static <M> JComboBox<M> comboBox(final ComboBoxModel<M> model) {
-        return new JComboBox<M>( model ) {
+    public static <E> JComboBox<E> comboBox(final E[] values, final Function<E, String> valueTransformer,
+                                            @Nullable final E selectedItem, @Nullable final Consumer<E> selectionConsumer) {
+        return comboBox( new CollectionListModel<>( values ).selection( selectedItem, selectionConsumer ), valueTransformer );
+    }
+
+    public static <E> JComboBox<E> comboBox(final Collection<E> values, final Function<E, String> valueTransformer,
+                                            @Nullable final Consumer<E> selectionConsumer) {
+        return comboBox( new CollectionListModel<>( values ).selection( selectionConsumer ), valueTransformer );
+    }
+
+    public static <E> JComboBox<E> comboBox(final Collection<E> values, final Function<E, String> valueTransformer,
+                                            @Nullable final E selectedItem, @Nullable final Consumer<E> selectionConsumer) {
+        return comboBox( new CollectionListModel<>( values ).selection( selectedItem, selectionConsumer ), valueTransformer );
+    }
+
+    public static <E> JComboBox<E> comboBox(final ComboBoxModel<E> model, final Function<E, String> valueTransformer) {
+        return new JComboBox<E>( model ) {
             {
-                //                CompoundBorder editorBorder = BorderFactory.createCompoundBorder(
-                //                        BorderFactory.createLineBorder( Res.colors().controlBorder(), 1, true ),
-                //                        BorderFactory.createEmptyBorder( 4, 4, 4, 4 ) );
-                //                ((JComponent) ((BasicComboBoxEditor) getEditor()).getEditorComponent()).setBorder(editorBorder);
-                setFont( Res.controlFont().deriveFont( CONTROL_TEXT_SIZE ) );
+                setFont( Res.fonts().valueFont( TEXT_SIZE_CONTROL ) );
+                setBorder( BorderFactory.createEmptyBorder( 4, 0, 4, 0 ) );
+                setRenderer( new DefaultListCellRenderer() {
+                    @Override
+                    @SuppressWarnings({ "unchecked", "SerializableStoresNonSerializable" })
+                    public Component getListCellRendererComponent(final JList<?> list, final Object value, final int index,
+                                                                  final boolean isSelected, final boolean cellHasFocus) {
+                        String label = valueTransformer.apply( (E) value );
+                        super.getListCellRendererComponent(
+                                list, Strings.isNullOrEmpty( label )? " ": label, index, isSelected, cellHasFocus );
+                        setBorder( BorderFactory.createEmptyBorder( 0, 4, 0, 4 ) );
+
+                        return this;
+                    }
+                } );
+                putClientProperty( "JComboBox.isPopDown", Boolean.TRUE );
                 setAlignmentX( LEFT_ALIGNMENT );
-                setAlignmentY( BOTTOM_ALIGNMENT );
-                //                setBorder(null);
             }
 
             @Override
@@ -210,6 +480,24 @@ public abstract class Components {
         };
     }
 
+    public static JEditorPane linkLabel(@NonNls final String html) {
+        return new JEditorPane( "text/html", "<html><body style='width:640;font-family:sans-serif'>" + html ) {
+            {
+                setOpaque( false );
+                setEditable( false );
+                addHyperlinkListener( event -> {
+                    if (event.getEventType() == HyperlinkEvent.EventType.ACTIVATED)
+                        try {
+                            Platform.get().open( event.getURL().toURI() );
+                        }
+                        catch (final URISyntaxException e) {
+                            logger.err( e, "After triggering hyperlink: %s", event );
+                        }
+                } );
+            }
+        };
+    }
+
     public static class GradientPanel extends JPanel {
 
         @Nullable
@@ -218,10 +506,26 @@ public abstract class Components {
         @Nullable
         private GradientPaint paint;
 
-        protected GradientPanel(@Nullable final LayoutManager layout, @Nullable final Color gradientColor) {
+        public GradientPanel() {
+            this( null, null );
+        }
+
+        public GradientPanel(@Nullable final Color gradientColor) {
+            this( null, gradientColor );
+        }
+
+        public GradientPanel(@Nullable final LayoutManager layout) {
+            this( layout, null );
+        }
+
+        public GradientPanel(@Nullable final LayoutManager layout, @Nullable final Color gradientColor) {
             super( layout );
-            this.gradientColor = gradientColor;
+            if (getLayout() == null)
+                setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
+
+            setGradientColor( gradientColor );
             setBackground( null );
+            setAlignmentX( LEFT_ALIGNMENT );
         }
 
         @Nullable
@@ -231,17 +535,30 @@ public abstract class Components {
 
         public void setGradientColor(@Nullable final Color gradientColor) {
             this.gradientColor = gradientColor;
-            revalidate();
+            updatePaint();
         }
 
         @Override
-        public void doLayout() {
-            super.doLayout();
+        public void setBackground(@Nullable final Color bg) {
+            super.setBackground( bg );
+            setOpaque( bg != null );
+        }
 
-            if (gradientColor != null) {
-                paint = new GradientPaint( new Point( 0, 0 ), gradientColor, new Point( getWidth(), getHeight() ), gradientColor.darker() );
-                repaint();
+        @Override
+        public void setBounds(final int x, final int y, final int width, final int height) {
+            super.setBounds( x, y, width, height );
+            updatePaint();
+        }
+
+        private void updatePaint() {
+            if (gradientColor == null) {
+                paint = null;
+                return;
             }
+
+            paint = new GradientPaint( new Point( 0, 0 ), gradientColor,
+                                       new Point( getWidth(), getHeight() ), gradientColor.darker() );
+            repaint();
         }
 
         @Override

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/ConsumingTrigger.java

@@ -0,0 +1,27 @@
+package com.lyndir.masterpassword.gui.util;
+
+import java.util.function.Consumer;
+import javax.annotation.Nullable;
+
+
+/**
+ * @author lhunath, 2018-08-23
+ */
+public class ConsumingTrigger<T> implements Consumer<T> {
+
+    private final Runnable trigger;
+
+    @Nullable
+    private T value;
+
+    public ConsumingTrigger(final Runnable trigger) {
+        this.trigger = trigger;
+    }
+
+    @Override
+    public void accept(final T t) {
+        value = t;
+
+        trigger.run();
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/DocumentModel.java

@@ -0,0 +1,95 @@
+package com.lyndir.masterpassword.gui.util;
+
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import java.util.function.Consumer;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.Document;
+
+
+/**
+ * @author lhunath, 2018-08-24
+ */
+public class DocumentModel implements Selectable<String, DocumentModel> {
+
+    private static final Logger logger = Logger.get( DocumentModel.class );
+
+    private final Document document;
+
+    @Nullable
+    private DocumentListener documentListener;
+
+    public DocumentModel(final Document document) {
+        this.document = document;
+    }
+
+    @Nonnull
+    public Document getDocument() {
+        return document;
+    }
+
+    @Nullable
+    public String getText() {
+        try {
+            return (document.getLength() > 0)? document.getText( 0, document.getLength() ): null;
+        }
+        catch (final BadLocationException e) {
+            logger.wrn( "While getting text for model", e );
+            return null;
+        }
+    }
+
+    public void setText(@Nullable final String text) {
+        try {
+            if (document.getLength() > 0)
+                document.remove( 0, document.getLength() );
+
+            if (text != null)
+                document.insertString( 0, text, null );
+        }
+        catch (final BadLocationException e) {
+            logger.err( "While setting text for model", e );
+        }
+    }
+
+    @Override
+    public DocumentModel selection(@Nullable final Consumer<String> selectionConsumer) {
+        if (documentListener != null)
+            document.removeDocumentListener( documentListener );
+
+        if (selectionConsumer != null)
+            document.addDocumentListener( documentListener = new DocumentListener() {
+                @Override
+                public void insertUpdate(final DocumentEvent e) {
+                    trigger();
+                }
+
+                @Override
+                public void removeUpdate(final DocumentEvent e) {
+                    trigger();
+                }
+
+                @Override
+                public void changedUpdate(final DocumentEvent e) {
+                    trigger();
+                }
+
+                private void trigger() {
+                    selectionConsumer.accept( getText() );
+                }
+            } );
+
+        return this;
+    }
+
+    @Override
+    public DocumentModel selection(@Nullable final String selectedItem, @Nullable final Consumer<String> selectionConsumer) {
+        selection( selectionConsumer );
+        setText( selectedItem );
+
+        return this;
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/Platform.java

@@ -0,0 +1,52 @@
+package com.lyndir.masterpassword.gui.util;
+
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import com.lyndir.lhunath.opal.system.util.TypeUtils;
+import com.lyndir.masterpassword.gui.util.platform.BasePlatform;
+import com.lyndir.masterpassword.gui.util.platform.IPlatform;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Optional;
+import javax.annotation.Nullable;
+
+
+/**
+ * @author lhunath, 2018-07-29
+ */
+public final class Platform {
+
+    private static final Logger    logger = Logger.get( Platform.class );
+    private static final IPlatform activePlatform;
+
+    static {
+        IPlatform tryPlatform;
+        if (null != (tryPlatform = construct( "com.lyndir.masterpassword.gui.util.platform.JDK9Platform" )))
+            activePlatform = tryPlatform;
+
+        else if (null != (tryPlatform = construct( "com.lyndir.masterpassword.gui.util.platform.ApplePlatform" )))
+            activePlatform = tryPlatform;
+
+        else
+            activePlatform = new BasePlatform();
+    }
+
+    @Nullable
+    private static <T> T construct(final String typeName) {
+        try {
+            // AppleGUI adds support for macOS features.
+            Optional<Class<T>> gui = TypeUtils.loadClass( typeName );
+            if (gui.isPresent())
+                return gui.get().getConstructor().newInstance();
+        }
+        catch (@SuppressWarnings("ErrorNotRethrown") final LinkageError ignored) {
+        }
+        catch (final IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
+            throw logger.bug( e );
+        }
+
+        return null;
+    }
+
+    public static IPlatform get() {
+        return activePlatform;
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/Res.java

@@ -0,0 +1,373 @@
+//==============================================================================
+// This file is part of Master Password.
+// Copyright (c) 2011-2017, Maarten Billemont.
+//
+// Master Password is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Master Password is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You can find a copy of the GNU General Public License in the
+// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
+//==============================================================================
+
+package com.lyndir.masterpassword.gui.util;
+
+import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
+
+import com.google.common.collect.Maps;
+import com.google.common.io.Resources;
+import com.google.common.util.concurrent.*;
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import com.lyndir.masterpassword.MPIdenticon;
+import java.awt.*;
+import java.io.IOException;
+import java.lang.ref.SoftReference;
+import java.util.Map;
+import java.util.concurrent.*;
+import java.util.function.Consumer;
+import javax.annotation.Nullable;
+import javax.swing.*;
+import org.jetbrains.annotations.NonNls;
+import org.joda.time.*;
+import org.joda.time.format.DateTimeFormat;
+
+
+/**
+ * @author lhunath, 2014-06-11
+ */
+@SuppressWarnings({ "HardcodedFileSeparator", "MethodReturnAlwaysConstant", "SpellCheckingInspection", "serial" })
+public abstract class Res {
+
+    private static final int                               AVATAR_COUNT        = 19;
+    private static final ListeningScheduledExecutorService jobExecutor         = MoreExecutors.listeningDecorator(
+            Executors.newSingleThreadScheduledExecutor() );
+    private static final Executor                          immediateUiExecutor = new SwingExecutorService( true );
+    private static final Executor                          laterUiExecutor     = new SwingExecutorService( false );
+    private static final Logger                            logger              = Logger.get( Res.class );
+    private static final Icons                             icons               = new Icons();
+    private static final Fonts                             fonts               = new Fonts();
+    private static final Colors                            colors              = new Colors();
+
+    public static Future<?> job(final Runnable job) {
+        return job( job, 0, TimeUnit.MILLISECONDS );
+    }
+
+    public static Future<?> job(final Runnable job, final long delay, final TimeUnit timeUnit) {
+        return jobExecutor.schedule( () -> {
+            try {
+                job.run();
+            }
+            catch (final Throwable t) {
+                logger.err( t, "Unexpected: %s", t.getLocalizedMessage() );
+            }
+        }, delay, timeUnit );
+    }
+
+    public static <V> ListenableFuture<V> job(final Callable<V> job) {
+        return job( job, 0, TimeUnit.MILLISECONDS );
+    }
+
+    public static <V> void job(final Callable<V> job, final Consumer<V> callback) {
+        Futures.addCallback( job( job, 0, TimeUnit.MILLISECONDS ), new FailableCallback<V>( logger ) {
+            @Override
+            public void onSuccess(@Nullable final V result) {
+                callback.accept( result );
+            }
+        }, uiExecutor() );
+    }
+
+    public static <V> ListenableFuture<V> job(final Callable<V> job, final long delay, final TimeUnit timeUnit) {
+        return jobExecutor.schedule( job, delay, timeUnit );
+    }
+
+    public static void ui(final Runnable job) {
+        ui( true, job );
+    }
+
+    public static void ui(final boolean immediate, final Runnable job) {
+        uiExecutor( immediate ).execute( job );
+    }
+
+    public static Executor uiExecutor() {
+        return uiExecutor( true );
+    }
+
+    public static Executor uiExecutor(final boolean immediate) {
+        return immediate? immediateUiExecutor: laterUiExecutor;
+    }
+
+    public static Icons icons() {
+        return icons;
+    }
+
+    public static Fonts fonts() {
+        return fonts;
+    }
+
+    public static Colors colors() {
+        return colors;
+    }
+
+    public static String format(final ReadableInstant instant) {
+        return DateTimeFormat.mediumDateTime().print( new DateTime( instant, DateTimeZone.getDefault() ) );
+    }
+
+    public static final class Icons {
+
+        public Icon add() {
+            return icon( "media/icon_add.png" );
+        }
+
+        public Icon delete() {
+            return icon( "media/icon_delete.png" );
+        }
+
+        public Icon question() {
+            return icon( "media/icon_question.png" );
+        }
+
+        public Icon user() {
+            return icon( "media/icon_user.png" );
+        }
+
+        public Icon lock() {
+            return icon( "media/icon_lock.png" );
+        }
+
+        public Icon reset() {
+            return icon( "media/icon_reset.png" );
+        }
+
+        public Icon import_() {
+            return icon( "media/icon_import.png" );
+        }
+
+        public Icon help() {
+            return icon( "media/icon_help.png" );
+        }
+
+        public Icon export() {
+            return icon( "media/icon_export.png" );
+        }
+
+        public Icon settings() {
+            return icon( "media/icon_settings.png" );
+        }
+
+        public Icon edit() {
+            return icon( "media/icon_edit.png" );
+        }
+
+        public Icon key() {
+            return icon( "media/icon_key.png" );
+        }
+
+        public Icon avatar(final int index) {
+            return icon( strf( "media/avatar-%d.png", index % avatars() ) );
+        }
+
+        public int avatars() {
+            return AVATAR_COUNT;
+        }
+
+        private static Icon icon(@NonNls final String resourceName) {
+            return new ImageIcon( Toolkit.getDefaultToolkit().getImage( Res.class.getClassLoader().getResource( resourceName ) ) );
+        }
+    }
+
+
+    public static final class Fonts {
+
+        public Font emoticonsFont(final float size) {
+            return emoticonsRegular().deriveFont( size );
+        }
+
+        public Font controlFont(final float size) {
+            return exoRegular().deriveFont( size );
+        }
+
+        public Font valueFont(final float size) {
+            return sourceSansProRegular().deriveFont( size );
+        }
+
+        public Font bigValueFont(final float size) {
+            return sourceSansProBlack().deriveFont( size );
+        }
+
+        public Font emoticonsRegular() {
+            return font( "fonts/Emoticons-Regular.otf" );
+        }
+
+        public Font sourceCodeProRegular() {
+            return font( "fonts/SourceCodePro-Regular.otf" );
+        }
+
+        public Font sourceCodeProBlack() {
+            return font( "fonts/SourceCodePro-Bold.otf" );
+        }
+
+        public Font sourceSansProRegular() {
+            return font( "fonts/SourceSansPro-Regular.otf" );
+        }
+
+        public Font sourceSansProBlack() {
+            return font( "fonts/SourceSansPro-Bold.otf" );
+        }
+
+        public Font exoBold() {
+            return font( "fonts/Exo2.0-Bold.otf" );
+        }
+
+        public Font exoExtraBold() {
+            return font( "fonts/Exo2.0-ExtraBold.otf" );
+        }
+
+        public Font exoRegular() {
+            return font( "fonts/Exo2.0-Regular.otf" );
+        }
+
+        public Font exoThin() {
+            return font( "fonts/Exo2.0-Thin.otf" );
+        }
+
+        public Font arimoBold() {
+            return font( "fonts/Arimo-Bold.ttf" );
+        }
+
+        public Font arimoBoldItalic() {
+            return font( "fonts/Arimo-BoldItalic.ttf" );
+        }
+
+        public Font arimoItalic() {
+            return font( "fonts/Arimo-Italic.ttf" );
+        }
+
+        public Font arimoRegular() {
+            return font( "fonts/Arimo-Regular.ttf" );
+        }
+
+        private static Font font(@NonNls final String fontResourceName) {
+            Map<String, SoftReference<Font>> fontsByResourceName = Maps.newHashMap();
+            SoftReference<Font>              fontRef             = fontsByResourceName.get( fontResourceName );
+            Font                             font                = (fontRef == null)? null: fontRef.get();
+            if (font == null)
+                try {
+                    fontsByResourceName.put( fontResourceName, new SoftReference<>(
+                            font = Font.createFont( Font.TRUETYPE_FONT, Resources.getResource( fontResourceName ).openStream() ) ) );
+                }
+                catch (final FontFormatException | IOException e) {
+                    throw logger.bug( e );
+                }
+
+            return font;
+        }
+    }
+
+
+    public static final class Colors {
+
+        private final Color transparent   = new Color( 0, 0, 0, 0 );
+        private final Color frameBg       = Color.decode( "#5A5D6B" );
+        private final Color controlBg     = SystemColor.window;
+        private final Color controlBorder = Color.decode( "#BFBFBF" );
+        private final Color highlightFg   = SystemColor.controlHighlight;
+        private final Color errorFg       = Color.decode( "#FF3333" );
+
+        public Color transparent() {
+            return transparent;
+        }
+
+        public Color frameBg() {
+            return frameBg;
+        }
+
+        public Color controlBg() {
+            return controlBg;
+        }
+
+        public Color controlBorder() {
+            return controlBorder;
+        }
+
+        public Color highlightFg() {
+            return highlightFg;
+        }
+
+        public Color errorFg() {
+            return errorFg;
+        }
+
+        public Color fromIdenticonColor(final MPIdenticon.Color identiconColor, final BackgroundMode backgroundMode) {
+            switch (identiconColor) {
+                case RED:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#dc322f" );
+                        case LIGHT:
+                            return Color.decode( "#dc322f" );
+                    }
+                    break;
+                case GREEN:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#859900" );
+                        case LIGHT:
+                            return Color.decode( "#859900" );
+                    }
+                    break;
+                case YELLOW:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#b58900" );
+                        case LIGHT:
+                            return Color.decode( "#b58900" );
+                    }
+                    break;
+                case BLUE:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#268bd2" );
+                        case LIGHT:
+                            return Color.decode( "#268bd2" );
+                    }
+                    break;
+                case MAGENTA:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#d33682" );
+                        case LIGHT:
+                            return Color.decode( "#d33682" );
+                    }
+                    break;
+                case CYAN:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#2aa198" );
+                        case LIGHT:
+                            return Color.decode( "#2aa198" );
+                    }
+                    break;
+                case MONO:
+                    switch (backgroundMode) {
+                        case DARK:
+                            return Color.decode( "#93a1a1" );
+                        case LIGHT:
+                            return Color.decode( "#586e75" );
+                    }
+                    break;
+            }
+
+            throw new IllegalArgumentException( strf( "Color: %s or mode: %s not supported: ", identiconColor, backgroundMode ) );
+        }
+
+        public enum BackgroundMode {
+            DARK, LIGHT
+        }
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/Selectable.java

@@ -0,0 +1,15 @@
+package com.lyndir.masterpassword.gui.util;
+
+import java.util.function.Consumer;
+import javax.annotation.Nullable;
+
+
+/**
+ * @author lhunath, 2018-07-26
+ */
+public interface Selectable<E, T> {
+
+    T selection(@Nullable Consumer<E> selectionConsumer);
+
+    T selection(@Nullable E selectedItem, @Nullable Consumer<E> selectionConsumer);
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/SwingExecutorService.java

@@ -1,4 +1,4 @@
-package com.lyndir.masterpassword.gui;
+package com.lyndir.masterpassword.gui.util;
 
 import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
 
@@ -29,11 +29,11 @@ public class SwingExecutorService extends AbstractExecutorService {
 
     @Override
     public void shutdown() {
-        shutdown = true;
-
         synchronized (pendingCommands) {
+            shutdown = true;
+
             if (pendingCommands.isEmpty())
-                terminated.offer( true );
+                terminated.add( true );
         }
     }
 
@@ -49,7 +49,9 @@ public class SwingExecutorService extends AbstractExecutorService {
 
     @Override
     public boolean isShutdown() {
-        return shutdown;
+        synchronized (pendingCommands) {
+            return shutdown;
+        }
     }
 
     @Override
@@ -65,10 +67,10 @@ public class SwingExecutorService extends AbstractExecutorService {
 
     @Override
     public void execute(@NotNull final Runnable command) {
-        if (shutdown)
-            throw new RejectedExecutionException( "Executor is shut down." );
-
         synchronized (pendingCommands) {
+            if (shutdown)
+                throw new RejectedExecutionException( "Executor is shut down." );
+
             pendingCommands.add( command );
         }
 
@@ -85,7 +87,7 @@ public class SwingExecutorService extends AbstractExecutorService {
             pendingCommands.remove( command );
 
             if (shutdown && pendingCommands.isEmpty())
-                terminated.offer( true );
+                terminated.add( true );
         }
     }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/UnsignedIntegerModel.java

@@ -19,15 +19,21 @@
 package com.lyndir.masterpassword.gui.util;
 
 import com.google.common.primitives.UnsignedInteger;
+import java.text.ParseException;
+import java.util.function.Consumer;
+import javax.annotation.Nullable;
 import javax.swing.*;
+import javax.swing.event.ChangeListener;
 
 
 /**
  * @author lhunath, 2016-10-29
  */
-public class UnsignedIntegerModel extends SpinnerNumberModel {
+@SuppressWarnings("serial")
+public class UnsignedIntegerModel extends SpinnerNumberModel implements Selectable<UnsignedInteger, UnsignedIntegerModel> {
 
-    private static final long serialVersionUID = 1L;
+    @Nullable
+    private ChangeListener changeListener;
 
     public UnsignedIntegerModel() {
         this( UnsignedInteger.ZERO, UnsignedInteger.ZERO, UnsignedInteger.MAX_VALUE, UnsignedInteger.ONE );
@@ -55,4 +61,80 @@ public class UnsignedIntegerModel extends SpinnerNumberModel {
     public UnsignedInteger getNumber() {
         return (UnsignedInteger) super.getNumber();
     }
+
+    @Override
+    public UnsignedInteger getMinimum() {
+        return (UnsignedInteger) super.getMinimum();
+    }
+
+    @Override
+    public UnsignedInteger getMaximum() {
+        return (UnsignedInteger) super.getMaximum();
+    }
+
+    @Override
+    public UnsignedInteger getStepSize() {
+        return (UnsignedInteger) super.getStepSize();
+    }
+
+    @Override
+    public UnsignedInteger getNextValue() {
+        if ((getMaximum() == null) || (getMaximum().compareTo( getNumber() ) > 0))
+            return getNumber().plus( getStepSize() );
+
+        return getMaximum();
+    }
+
+    @Override
+    public UnsignedInteger getPreviousValue() {
+        if ((getMinimum() == null) || (getMinimum().compareTo( getNumber() ) < 0))
+            return getNumber().minus( getStepSize() );
+
+        return getMinimum();
+    }
+
+    @Override
+    public UnsignedIntegerModel selection(@Nullable final Consumer<UnsignedInteger> selectionConsumer) {
+        if (changeListener != null) {
+            removeChangeListener( changeListener );
+            changeListener = null;
+        }
+
+        if (selectionConsumer != null) {
+            addChangeListener( changeListener = e -> selectionConsumer.accept( getNumber() ) );
+            selectionConsumer.accept( getNumber() );
+        }
+
+        return this;
+    }
+
+    @Override
+    public UnsignedIntegerModel selection(@Nullable final UnsignedInteger selectedItem,
+                                          @Nullable final Consumer<UnsignedInteger> selectionConsumer) {
+        if (changeListener != null) {
+            removeChangeListener( changeListener );
+            changeListener = null;
+        }
+
+        setValue( (selectedItem != null)? selectedItem: getMinimum() );
+        return selection( selectionConsumer );
+    }
+
+    public JFormattedTextField.AbstractFormatter getFormatter() {
+        return new JFormattedTextField.AbstractFormatter() {
+            @Override
+            @Nullable
+            public Object stringToValue(@Nullable final String text)
+                    throws ParseException {
+                return (text != null)? UnsignedInteger.valueOf( text ): null;
+            }
+
+            @Override
+            @Nullable
+            public String valueToString(final Object value)
+                    throws ParseException {
+                return (value != null)? value.toString(): null;
+            }
+        };
+    }
 }

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/platform/ApplePlatform.java

@@ -0,0 +1,69 @@
+package com.lyndir.masterpassword.gui.util.platform;
+
+import com.apple.eawt.*;
+import com.apple.eio.FileManager;
+import com.google.common.base.Preconditions;
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import java.io.*;
+import java.net.URI;
+
+
+/**
+ * @author lhunath, 2018-07-29
+ */
+public class ApplePlatform implements IPlatform {
+
+    private static final Logger      logger      = Logger.get( ApplePlatform.class );
+    private static final Application application = Preconditions.checkNotNull(
+            Application.getApplication(), "Not an Apple Java application." );
+
+    @Override
+    public boolean installAppForegroundHandler(final Runnable handler) {
+        application.addAppEventListener( new AppForegroundListener() {
+            @Override
+            public void appMovedToBackground(final AppEvent.AppForegroundEvent e) {
+            }
+
+            @Override
+            public void appRaisedToForeground(final AppEvent.AppForegroundEvent e) {
+                handler.run();
+            }
+        } );
+        return true;
+    }
+
+    @Override
+    public boolean installAppReopenHandler(final Runnable handler) {
+        application.addAppEventListener( (AppReOpenedListener) e -> handler.run() );
+        return true;
+    }
+
+    @Override
+    public boolean requestForeground() {
+        application.requestForeground( true );
+        return true;
+    }
+
+    @Override
+    public boolean show(final File file) {
+        try {
+            return FileManager.revealInFinder( file );
+        }
+        catch (final FileNotFoundException e) {
+            logger.err( e, "While showing: %s", file );
+            return false;
+        }
+    }
+
+    @Override
+    public boolean open(final URI url) {
+        try {
+            FileManager.openURL( url.toString() );
+            return true;
+        }
+        catch (final IOException e) {
+            logger.err( e, "While opening: %s", url );
+            return false;
+        }
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/platform/BasePlatform.java

@@ -0,0 +1,36 @@
+package com.lyndir.masterpassword.gui.util.platform;
+
+import java.io.File;
+import java.net.URI;
+
+
+/**
+ * @author lhunath, 2018-07-29
+ */
+public class BasePlatform implements IPlatform {
+
+    @Override
+    public boolean installAppForegroundHandler(final Runnable handler) {
+        return false;
+    }
+
+    @Override
+    public boolean installAppReopenHandler(final Runnable handler) {
+        return false;
+    }
+
+    @Override
+    public boolean requestForeground() {
+        return false;
+    }
+
+    @Override
+    public boolean show(final File file) {
+        return false;
+    }
+
+    @Override
+    public boolean open(final URI url) {
+        return false;
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/platform/IPlatform.java

@@ -0,0 +1,22 @@
+package com.lyndir.masterpassword.gui.util.platform;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URL;
+
+
+/**
+ * @author lhunath, 2018-07-29
+ */
+public interface IPlatform {
+
+    boolean installAppForegroundHandler(Runnable handler);
+
+    boolean installAppReopenHandler(Runnable handler);
+
+    boolean requestForeground();
+
+    boolean show(File file);
+
+    boolean open(URI url);
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/platform/JDK9Platform.java

@@ -0,0 +1,67 @@
+package com.lyndir.masterpassword.gui.util.platform;
+
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import java.awt.*;
+import java.awt.desktop.*;
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+
+
+/**
+ * @author lhunath, 2018-07-29
+ */
+@SuppressWarnings("Since15")
+public class JDK9Platform implements IPlatform {
+
+    private static final Logger  logger  = Logger.get( JDK9Platform.class );
+    private static final Desktop desktop = Desktop.getDesktop();
+
+    @Override
+    public boolean installAppForegroundHandler(final Runnable handler) {
+        desktop.addAppEventListener( new AppForegroundListener() {
+            @Override
+            public void appRaisedToForeground(final AppForegroundEvent e) {
+                handler.run();
+            }
+
+            @Override
+            public void appMovedToBackground(final AppForegroundEvent e) {
+            }
+        } );
+        return true;
+    }
+
+    @Override
+    public boolean installAppReopenHandler(final Runnable handler) {
+        desktop.addAppEventListener( (AppReopenedListener) e -> handler.run() );
+        return true;
+    }
+
+    @Override
+    public boolean requestForeground() {
+        desktop.requestForeground( true );
+        return true;
+    }
+
+    @Override
+    public boolean show(final File file) {
+        if (!file.exists())
+            return false;
+
+        desktop.browseFileDirectory( file );
+        return true;
+    }
+
+    @Override
+    public boolean open(final URI url) {
+        try {
+            desktop.browse( url );
+            return true;
+        }
+        catch (final IOException e) {
+            logger.err( e, "While opening: %s", url );
+            return false;
+        }
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/util/platform/package-info.java

@@ -20,6 +20,6 @@
  * @author lhunath, 2018-04-26
  */
 @ParametersAreNonnullByDefault
-package com.lyndir.masterpassword.gui.platform.mac;
+package com.lyndir.masterpassword.gui.util.platform;
 
 import javax.annotation.ParametersAreNonnullByDefault;

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/AuthenticationPanel.java

@@ -1,84 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui.view;
-
-import com.google.common.collect.ImmutableList;
-import com.lyndir.masterpassword.gui.Res;
-import com.lyndir.masterpassword.gui.util.Components;
-import com.lyndir.masterpassword.model.MPUser;
-import java.awt.*;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.swing.*;
-
-
-/**
- * @author lhunath, 2014-06-11
- */
-public abstract class AuthenticationPanel<U extends MPUser<?>> extends Components.GradientPanel {
-
-    protected final UnlockFrame unlockFrame;
-    protected final JLabel      avatarLabel;
-
-    protected AuthenticationPanel(final UnlockFrame unlockFrame) {
-        super( null, null );
-        this.unlockFrame = unlockFrame;
-
-        setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
-
-        // Avatar
-        add( Box.createVerticalGlue() );
-        add( avatarLabel = new JLabel( Res.avatar( 0 ) ) {
-            @Override
-            public Dimension getMaximumSize() {
-                return new Dimension( Integer.MAX_VALUE, Integer.MAX_VALUE );
-            }
-        } );
-        add( Box.createVerticalGlue() );
-
-        avatarLabel.setToolTipText( "The avatar for your user.  Click to change it." );
-    }
-
-    protected void updateUser(final boolean repack) {
-        unlockFrame.updateUser( getSelectedUser() );
-        validate();
-
-        if (repack)
-            unlockFrame.repack();
-    }
-
-    @Nullable
-    protected abstract U getSelectedUser();
-
-    @Nonnull
-    public abstract char[] getMasterPassword();
-
-    @Nullable
-    public Component getFocusComponent() {
-        return null;
-    }
-
-    public Iterable<? extends JButton> getButtons() {
-        return ImmutableList.of();
-    }
-
-    public abstract void reset();
-
-    public abstract PasswordFrame<?, ?> newPasswordFrame();
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/FilesPanel.java

@@ -0,0 +1,70 @@
+package com.lyndir.masterpassword.gui.view;
+
+import static com.lyndir.masterpassword.util.Utilities.*;
+
+import com.google.common.collect.ImmutableSortedSet;
+import com.lyndir.masterpassword.gui.MasterPassword;
+import com.lyndir.masterpassword.gui.util.*;
+import com.lyndir.masterpassword.model.MPUser;
+import com.lyndir.masterpassword.model.impl.MPFileUser;
+import com.lyndir.masterpassword.model.impl.MPFileUserManager;
+import java.awt.*;
+import javax.annotation.Nullable;
+import javax.swing.*;
+
+
+/**
+ * @author lhunath, 2018-07-14
+ */
+@SuppressWarnings("serial")
+public class FilesPanel extends JPanel implements MPFileUserManager.Listener, MasterPassword.Listener {
+
+    private final JButton avatarButton = Components.button( Res.icons().avatar( 0 ), event -> setAvatar(),
+                                                            "Click to change the user's avatar." );
+
+    private final CollectionListModel<MPUser<?>> usersModel =
+            new CollectionListModel<MPUser<?>>( MPFileUserManager.get().getFiles() ).selection( MasterPassword.get()::activateUser );
+
+    protected FilesPanel() {
+        setOpaque( false );
+        setBackground( Res.colors().transparent() );
+        setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
+
+        // -
+        add( Box.createVerticalGlue() );
+
+        // Avatar
+        add( avatarButton );
+        avatarButton.setHorizontalAlignment( SwingConstants.CENTER );
+        avatarButton.setMaximumSize( new Dimension( Integer.MAX_VALUE, 0 ) );
+
+        // -
+        add( Components.strut( Components.margin() ) );
+
+        // User Selection
+        add( Components.comboBox( usersModel, user -> ifNotNull( user, MPUser::getFullName ) ) );
+
+        MPFileUserManager.get().addListener( this );
+        MasterPassword.get().addListener( this );
+    }
+
+    private void setAvatar() {
+        MPUser<?> selectedUser = usersModel.getSelectedItem();
+        if (selectedUser == null)
+            return;
+
+        selectedUser.setAvatar( (selectedUser.getAvatar() + 1) % Res.icons().avatars() );
+        avatarButton.setIcon( Res.icons().avatar( selectedUser.getAvatar() ) );
+    }
+
+    @Override
+    public void onFilesUpdated(final ImmutableSortedSet<MPFileUser> files) {
+        usersModel.set( files );
+    }
+
+    @Override
+    public void onUserSelected(@Nullable final MPUser<?> user) {
+        usersModel.setSelectedItem( user );
+        avatarButton.setIcon( Res.icons().avatar( (user == null)? 0: user.getAvatar() ) );
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/IncognitoAuthenticationPanel.java

@@ -1,127 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui.view;
-
-import com.google.common.base.Preconditions;
-import com.google.common.primitives.UnsignedInteger;
-import com.lyndir.masterpassword.MPAlgorithm;
-import com.lyndir.masterpassword.MPResultType;
-import com.lyndir.masterpassword.gui.Res;
-import com.lyndir.masterpassword.gui.model.MPIncognitoSite;
-import com.lyndir.masterpassword.gui.model.MPIncognitoUser;
-import com.lyndir.masterpassword.gui.util.Components;
-import java.awt.*;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-
-
-/**
- * @author lhunath, 2014-06-11
- */
-@SuppressWarnings({ "serial", "MagicNumber" })
-public class IncognitoAuthenticationPanel extends AuthenticationPanel<MPIncognitoUser> implements DocumentListener, ActionListener {
-
-    private final JTextField     fullNameField;
-    private final JPasswordField masterPasswordField;
-
-    public IncognitoAuthenticationPanel(final UnlockFrame unlockFrame) {
-
-        // Full Name
-        super( unlockFrame );
-        add( Components.stud() );
-
-        JLabel fullNameLabel = Components.label( "Full Name:" );
-        add( fullNameLabel );
-
-        fullNameField = Components.textField();
-        fullNameField.setFont( Res.valueFont().deriveFont( 12f ) );
-        fullNameField.getDocument().addDocumentListener( this );
-        fullNameField.addActionListener( this );
-        add( fullNameField );
-        add( Components.stud() );
-
-        // Master Password
-        JLabel masterPasswordLabel = Components.label( "Master Password:" );
-        add( masterPasswordLabel );
-
-        masterPasswordField = Components.passwordField();
-        masterPasswordField.addActionListener( this );
-        masterPasswordField.getDocument().addDocumentListener( this );
-        add( masterPasswordField );
-    }
-
-    @Override
-    public Component getFocusComponent() {
-        return fullNameField;
-    }
-
-    @Override
-    public void reset() {
-        masterPasswordField.setText( "" );
-    }
-
-    @Override
-    public PasswordFrame<MPIncognitoUser, ?> newPasswordFrame() {
-        return new PasswordFrame<MPIncognitoUser, MPIncognitoSite>( Preconditions.checkNotNull( getSelectedUser() ) ) {
-            @Override
-            protected MPIncognitoSite createSite(final MPIncognitoUser user, final String siteName, final UnsignedInteger siteCounter,
-                                                 final MPResultType resultType, final MPAlgorithm algorithm) {
-                return new MPIncognitoSite( user, siteName, algorithm, siteCounter, resultType, null );
-            }
-        };
-    }
-
-    @Nullable
-    @Override
-    protected MPIncognitoUser getSelectedUser() {
-        return new MPIncognitoUser( fullNameField.getText() );
-    }
-
-    @Nonnull
-    @Override
-    public char[] getMasterPassword() {
-        return masterPasswordField.getPassword();
-    }
-
-    @Override
-    public void insertUpdate(final DocumentEvent e) {
-        updateUser( false );
-    }
-
-    @Override
-    public void removeUpdate(final DocumentEvent e) {
-        updateUser( false );
-    }
-
-    @Override
-    public void changedUpdate(final DocumentEvent e) {
-        updateUser( false );
-    }
-
-    @Override
-    public void actionPerformed(final ActionEvent e) {
-        updateUser( false );
-        unlockFrame.trySignIn( fullNameField, masterPasswordField );
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/MasterPasswordFrame.java

@@ -0,0 +1,58 @@
+package com.lyndir.masterpassword.gui.view;
+
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import com.lyndir.masterpassword.gui.util.Components;
+import com.lyndir.masterpassword.gui.util.Res;
+import com.lyndir.masterpassword.model.impl.MPFileUserManager;
+import java.awt.*;
+import java.awt.event.ComponentAdapter;
+import java.awt.event.ComponentEvent;
+import javax.swing.*;
+import javax.swing.border.BevelBorder;
+
+
+/**
+ * @author lhunath, 2018-07-14
+ */
+@SuppressWarnings("serial")
+public class MasterPasswordFrame extends JFrame {
+
+    private static final Logger logger = Logger.get( MasterPasswordFrame.class );
+
+    private final UserContentPanel         userContent;
+
+    @SuppressWarnings("MagicNumber")
+    public MasterPasswordFrame() {
+        super( "Master Password" );
+
+        JPanel root, userPanel;
+        setContentPane( root = Components.borderPanel( Res.colors().frameBg(), BoxLayout.PAGE_AXIS ) );
+
+        root.add( new FilesPanel() );
+        root.add( Components.strut() );
+        root.add( userPanel = Components.panel( new BorderLayout( 0, 0 ) ) );
+
+        userPanel.add( Components.borderPanel(
+                BorderFactory.createBevelBorder( BevelBorder.RAISED, Res.colors().controlBorder(), Res.colors().frameBg() ),
+                Res.colors().controlBg(), BoxLayout.PAGE_AXIS, userContent = new UserContentPanel() ), BorderLayout.CENTER );
+        userPanel.add( userContent.getUserToolbar(), BorderLayout.LINE_START );
+        userPanel.add( userContent.getSiteToolbar(), BorderLayout.LINE_END );
+
+        addComponentListener( new ComponentHandler() );
+        setPreferredSize( new Dimension( 800, 560 ) );
+        setDefaultCloseOperation( DISPOSE_ON_CLOSE );
+        pack();
+
+        setLocationRelativeTo( null );
+        setLocationByPlatform( true );
+    }
+
+    private class ComponentHandler extends ComponentAdapter {
+
+        @Override
+        public void componentShown(final ComponentEvent e) {
+            MPFileUserManager.get().reload();
+            userContent.transferFocus();
+        }
+    }
+}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/ModelAuthenticationPanel.java

@@ -1,248 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui.view;
-
-import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
-
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableList;
-import com.google.common.primitives.UnsignedInteger;
-import com.lyndir.lhunath.opal.system.logging.Logger;
-import com.lyndir.masterpassword.MPAlgorithm;
-import com.lyndir.masterpassword.MPResultType;
-import com.lyndir.masterpassword.gui.Res;
-import com.lyndir.masterpassword.gui.util.Components;
-import com.lyndir.masterpassword.model.MPUser;
-import com.lyndir.masterpassword.model.impl.*;
-import java.awt.*;
-import java.awt.event.*;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-import javax.swing.plaf.metal.MetalComboBoxEditor;
-
-
-/**
- * @author lhunath, 2014-06-11
- */
-public class ModelAuthenticationPanel extends AuthenticationPanel<MPFileUser> implements ItemListener, ActionListener, DocumentListener {
-
-    @SuppressWarnings("UnusedDeclaration")
-    private static final Logger logger           = Logger.get( ModelAuthenticationPanel.class );
-    private static final long   serialVersionUID = 1L;
-
-    private final JComboBox<MPFileUser> userField;
-    private final JLabel                masterPasswordLabel;
-    private final JPasswordField        masterPasswordField;
-
-    public ModelAuthenticationPanel(final UnlockFrame unlockFrame) {
-        super( unlockFrame );
-        add( Components.stud() );
-
-        // Avatar
-        avatarLabel.addMouseListener( new MouseAdapter() {
-            @Override
-            public void mouseClicked(final MouseEvent e) {
-                MPFileUser selectedUser = getSelectedUser();
-                if (selectedUser != null) {
-                    selectedUser.setAvatar( selectedUser.getAvatar() + 1 );
-                    updateUser( false );
-                }
-            }
-        } );
-
-        // User
-        JLabel userLabel = Components.label( "User:" );
-        add( userLabel );
-
-        userField = Components.comboBox( readConfigUsers() );
-        userField.setFont( Res.valueFont().deriveFont( userField.getFont().getSize2D() ) );
-        userField.addItemListener( this );
-        userField.addActionListener( this );
-        userField.setRenderer( new DefaultListCellRenderer() {
-            private static final long serialVersionUID = 1L;
-
-            @Override
-            @SuppressWarnings("unchecked")
-            public Component getListCellRendererComponent(final JList<?> list, final Object value, final int index,
-                                                          final boolean isSelected, final boolean cellHasFocus) {
-                String userValue = ((MPUser<MPFileSite>) value).getFullName();
-                return super.getListCellRendererComponent( list, userValue, index, isSelected, cellHasFocus );
-            }
-        } );
-        userField.setEditor( new MetalComboBoxEditor() {
-            @Override
-            protected JTextField createEditorComponent() {
-                JTextField editorComponents = Components.textField();
-                editorComponents.setForeground( Color.red );
-                return editorComponents;
-            }
-        } );
-
-        add( userField );
-        add( Components.stud() );
-
-        // Master Password
-        masterPasswordLabel = Components.label( "Master Password:" );
-        add( masterPasswordLabel );
-
-        masterPasswordField = Components.passwordField();
-        masterPasswordField.addActionListener( this );
-        masterPasswordField.getDocument().addDocumentListener( this );
-        add( masterPasswordField );
-    }
-
-    @Override
-    public Component getFocusComponent() {
-        return masterPasswordField.isVisible()? masterPasswordField: null;
-    }
-
-    @Override
-    protected void updateUser(boolean repack) {
-        MPFileUser selectedUser = getSelectedUser();
-        if (selectedUser != null) {
-            avatarLabel.setIcon( Res.avatar( selectedUser.getAvatar() ) );
-            boolean showPasswordField = !selectedUser.isMasterKeyAvailable(); // TODO: is this the same as keySaved()?
-            if (masterPasswordField.isVisible() != showPasswordField) {
-                masterPasswordLabel.setVisible( showPasswordField );
-                masterPasswordField.setVisible( showPasswordField );
-                repack = true;
-            }
-        }
-
-        super.updateUser( repack );
-    }
-
-    @Nullable
-    @Override
-    protected MPFileUser getSelectedUser() {
-        int selectedIndex = userField.getSelectedIndex();
-        if (selectedIndex < 0)
-            return null;
-
-        return userField.getModel().getElementAt( selectedIndex );
-    }
-
-    @Nonnull
-    @Override
-    public char[] getMasterPassword() {
-        return masterPasswordField.getPassword();
-    }
-
-    @Override
-    public Iterable<? extends JButton> getButtons() {
-        return ImmutableList.of( new JButton( Res.iconAdd() ) {
-            {
-                addActionListener( new ActionListener() {
-                    @Override
-                    public void actionPerformed(final ActionEvent e) {
-                        String fullName = JOptionPane.showInputDialog( ModelAuthenticationPanel.this, //
-                                                                       "Enter your full name, ensuring it is correctly spelled and capitalized:",
-                                                                       "New User", JOptionPane.QUESTION_MESSAGE );
-                        MPFileUserManager.get().addUser( new MPFileUser( fullName ) );
-                        userField.setModel( new DefaultComboBoxModel<>( readConfigUsers() ) );
-                        updateUser( true );
-                    }
-                } );
-                setToolTipText( "Add a new user to the list." );
-            }
-        }, new JButton( Res.iconDelete() ) {
-            {
-                addActionListener( new ActionListener() {
-                    @Override
-                    public void actionPerformed(final ActionEvent e) {
-                        MPFileUser deleteUser = getSelectedUser();
-                        if (deleteUser == null)
-                            return;
-
-                        if (JOptionPane.showConfirmDialog( ModelAuthenticationPanel.this, //
-                                                           strf( "Are you sure you want to delete the user and sites remembered for:%n%s.",
-                                                                 deleteUser.getFullName() ), //
-                                                           "Delete User", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE )
-                            == JOptionPane.CANCEL_OPTION)
-                            return;
-
-                        MPFileUserManager.get().deleteUser( deleteUser );
-                        userField.setModel( new DefaultComboBoxModel<>( readConfigUsers() ) );
-                        updateUser( true );
-                    }
-                } );
-                setToolTipText( "Delete the selected user." );
-            }
-        }, new JButton( Res.iconQuestion() ) {
-            {
-                addActionListener( e -> JOptionPane.showMessageDialog(
-                        ModelAuthenticationPanel.this, //
-                        strf( "Reads users and sites from the directory at:%n%s",
-                              MPFileUserManager.get().getPath().getAbsolutePath() ), //
-                        "Help", JOptionPane.INFORMATION_MESSAGE ) );
-                setToolTipText( "More information." );
-            }
-        } );
-    }
-
-    @Override
-    public void reset() {
-        masterPasswordField.setText( "" );
-    }
-
-    @Override
-    public PasswordFrame<MPFileUser, MPFileSite> newPasswordFrame() {
-        return new PasswordFrame<MPFileUser, MPFileSite>( Preconditions.checkNotNull( getSelectedUser() ) ) {
-            @Override
-            protected MPFileSite createSite(final MPFileUser user, final String siteName, final UnsignedInteger siteCounter,
-                                            final MPResultType resultType,
-                                            final MPAlgorithm algorithm) {
-                return new MPFileSite( user, siteName, algorithm, siteCounter, resultType );
-            }
-        };
-    }
-
-    private static MPFileUser[] readConfigUsers() {
-        return MPFileUserManager.get().getUsers().toArray( new MPFileUser[0] );
-    }
-
-    @Override
-    public void itemStateChanged(final ItemEvent e) {
-        updateUser( false );
-    }
-
-    @Override
-    public void actionPerformed(final ActionEvent e) {
-        updateUser( false );
-        unlockFrame.trySignIn( userField );
-    }
-
-    @Override
-    public void insertUpdate(final DocumentEvent e) {
-        updateUser( false );
-    }
-
-    @Override
-    public void removeUpdate(final DocumentEvent e) {
-        updateUser( false );
-    }
-
-    @Override
-    public void changedUpdate(final DocumentEvent e) {
-        updateUser( false );
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/PasswordFrame.java

@@ -1,279 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui.view;
-
-import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
-import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
-
-import com.google.common.collect.Iterables;
-import com.google.common.primitives.UnsignedInteger;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.lyndir.lhunath.opal.system.logging.Logger;
-import com.lyndir.masterpassword.*;
-import com.lyndir.masterpassword.gui.Res;
-import com.lyndir.masterpassword.gui.util.*;
-import com.lyndir.masterpassword.model.MPSite;
-import com.lyndir.masterpassword.model.MPUser;
-import com.lyndir.masterpassword.model.impl.MPFileSite;
-import com.lyndir.masterpassword.model.impl.MPFileUser;
-import java.awt.*;
-import java.awt.datatransfer.StringSelection;
-import java.awt.datatransfer.Transferable;
-import java.awt.event.WindowEvent;
-import java.util.Collection;
-import java.util.stream.Collectors;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-
-
-/**
- * @author lhunath, 2014-06-08
- */
-public abstract class PasswordFrame<U extends MPUser<S>, S extends MPSite<?>> extends JFrame implements DocumentListener {
-
-    private static final Logger logger = Logger.get( PasswordFrame.class );
-
-    @SuppressWarnings("FieldCanBeLocal")
-    private final Components.GradientPanel       root;
-    private final JTextField                     siteNameField;
-    private final JButton                        siteActionButton;
-    private final JComboBox<MPAlgorithm.Version> siteVersionField;
-    private final JSpinner                       siteCounterField;
-    private final UnsignedIntegerModel           siteCounterModel;
-    private final JComboBox<MPResultType>        resultTypeField;
-    private final JPasswordField                 passwordField;
-    private final JLabel                         tipLabel;
-    private final JCheckBox                      maskPasswordField;
-    private final char                           passwordEchoChar;
-    private final Font                           passwordEchoFont;
-    private final U                              user;
-
-    @Nullable
-    private S       currentSite;
-    private boolean updatingUI;
-
-    @SuppressWarnings("MagicNumber")
-    protected PasswordFrame(final U user) {
-        super( "Master Password" );
-        this.user = user;
-
-        setDefaultCloseOperation( DISPOSE_ON_CLOSE );
-        setContentPane( root = Components.gradientPanel( new FlowLayout(), Res.colors().frameBg() ) );
-        root.setLayout( new BoxLayout( root, BoxLayout.PAGE_AXIS ) );
-        root.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
-
-        // Site
-        JPanel sitePanel = Components.boxLayout( BoxLayout.PAGE_AXIS );
-        sitePanel.setOpaque( true );
-        sitePanel.setBackground( Res.colors().controlBg() );
-        sitePanel.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
-        root.add( Components.borderPanel( sitePanel, BorderFactory.createRaisedBevelBorder(), Res.colors().frameBg() ) );
-
-        // User
-        sitePanel.add( Components.label( strf( "Generating passwords for: %s", user.getFullName() ), SwingConstants.CENTER ) );
-        sitePanel.add( Components.stud() );
-
-        // Site Name
-        sitePanel.add( Components.label( "Site Name:" ) );
-        JComponent siteControls = Components.boxLayout( BoxLayout.LINE_AXIS, //
-                                                        siteNameField = Components.textField(), Components.stud(),
-                                                        siteActionButton = Components.button( "Add Site" ) );
-        siteNameField.getDocument().addDocumentListener( this );
-        siteNameField.addActionListener(
-                e -> Futures.addCallback( updatePassword( true ), new FailableCallback<String>( logger ) {
-                    @Override
-                    public void onSuccess(@Nullable final String sitePassword) {
-                        if (sitePassword == null)
-                            return;
-
-                        if (currentSite instanceof MPFileSite)
-                            ((MPFileSite) currentSite).use();
-
-                        Transferable clipboardContents = new StringSelection( sitePassword );
-                        Toolkit.getDefaultToolkit().getSystemClipboard().setContents( clipboardContents, null );
-                        dispatchEvent( new WindowEvent( PasswordFrame.this, WindowEvent.WINDOW_CLOSING ) );
-                    }
-                }, Res.uiExecutor( false ) ) );
-        siteActionButton.addActionListener(
-                e -> {
-                    if (currentSite == null)
-                        return;
-                    if (currentSite instanceof MPFileSite)
-                        this.user.deleteSite( currentSite );
-                    else
-                        this.user.addSite( currentSite );
-                    siteNameField.requestFocus();
-
-                    updatePassword( true );
-                } );
-        sitePanel.add( siteControls );
-        sitePanel.add( Components.stud() );
-
-        // Site Type & Counter
-        siteCounterModel = new UnsignedIntegerModel( UnsignedInteger.ONE, UnsignedInteger.ONE );
-        MPResultType[] types = Iterables.toArray( MPResultType.forClass( MPResultTypeClass.Template ), MPResultType.class );
-        JComponent siteSettings = Components.boxLayout( BoxLayout.LINE_AXIS,                                                  //
-                                                        resultTypeField = Components.comboBox( types ),                         //
-                                                        Components.stud(),                                                    //
-                                                        siteVersionField = Components.comboBox( MPAlgorithm.Version.values() ), //
-                                                        Components.stud(),                                                    //
-                                                        siteCounterField = Components.spinner( siteCounterModel ) );
-        sitePanel.add( siteSettings );
-        resultTypeField.setFont( Res.valueFont().deriveFont( resultTypeField.getFont().getSize2D() ) );
-        resultTypeField.setSelectedItem( user.getAlgorithm().mpw_default_result_type() );
-        resultTypeField.addItemListener( e -> updatePassword( true ) );
-
-        siteVersionField.setFont( Res.valueFont().deriveFont( siteVersionField.getFont().getSize2D() ) );
-        siteVersionField.setAlignmentX( RIGHT_ALIGNMENT );
-        siteVersionField.setSelectedItem( user.getAlgorithm() );
-        siteVersionField.addItemListener( e -> updatePassword( true ) );
-
-        siteCounterField.setFont( Res.valueFont().deriveFont( siteCounterField.getFont().getSize2D() ) );
-        siteCounterField.setAlignmentX( RIGHT_ALIGNMENT );
-        siteCounterField.addChangeListener( e -> updatePassword( true ) );
-
-        // Mask
-        maskPasswordField = Components.checkBox( "Hide Password" );
-        maskPasswordField.setAlignmentX( Component.CENTER_ALIGNMENT );
-        maskPasswordField.setSelected( true );
-        maskPasswordField.addItemListener( e -> updateMask() );
-
-        // Password
-        passwordField = Components.passwordField();
-        passwordField.setAlignmentX( Component.CENTER_ALIGNMENT );
-        passwordField.setHorizontalAlignment( SwingConstants.CENTER );
-        passwordField.putClientProperty( "JPasswordField.cutCopyAllowed", true );
-        passwordField.setEditable( false );
-        passwordField.setBackground( null );
-        passwordField.setBorder( null );
-        passwordEchoChar = passwordField.getEchoChar();
-        passwordEchoFont = passwordField.getFont().deriveFont( 40f );
-        updateMask();
-
-        // Tip
-        tipLabel = Components.label( " ", SwingConstants.CENTER );
-        tipLabel.setAlignmentX( Component.CENTER_ALIGNMENT );
-        JPanel passwordContainer = Components.boxLayout( BoxLayout.PAGE_AXIS, maskPasswordField, Box.createGlue(), passwordField,
-                                                         Box.createGlue(), tipLabel );
-        passwordContainer.setOpaque( true );
-        passwordContainer.setBackground( Color.white );
-        passwordContainer.setBorder( BorderFactory.createEmptyBorder( 8, 8, 8, 8 ) );
-        root.add( Box.createVerticalStrut( 8 ) );
-        root.add( Components.borderPanel( passwordContainer, BorderFactory.createLoweredSoftBevelBorder(), Res.colors().frameBg() ),
-                  BorderLayout.SOUTH );
-
-        pack();
-        setMinimumSize( new Dimension( Math.max( 600, getPreferredSize().width ), Math.max( 300, getPreferredSize().height ) ) );
-        pack();
-
-        setLocationByPlatform( true );
-        setLocationRelativeTo( null );
-    }
-
-    @SuppressWarnings("MagicNumber")
-    private void updateMask() {
-        passwordField.setEchoChar( maskPasswordField.isSelected()? passwordEchoChar: (char) 0 );
-        passwordField.setFont( maskPasswordField.isSelected()? passwordEchoFont: Res.bigValueFont().deriveFont( 40f ) );
-    }
-
-    @Nonnull
-    private ListenableFuture<String> updatePassword(final boolean allowNameCompletion) {
-
-        String siteNameQuery = siteNameField.getText();
-        if (updatingUI)
-            return Futures.immediateCancelledFuture();
-        if ((siteNameQuery == null) || siteNameQuery.isEmpty() || !user.isMasterKeyAvailable()) {
-            siteActionButton.setVisible( false );
-            tipLabel.setText( null );
-            passwordField.setText( null );
-            return Futures.immediateCancelledFuture();
-        }
-
-        MPResultType    resultType    = resultTypeField.getModel().getElementAt( resultTypeField.getSelectedIndex() );
-        MPAlgorithm     siteAlgorithm = siteVersionField.getItemAt( siteVersionField.getSelectedIndex() ).getAlgorithm();
-        UnsignedInteger siteCounter   = siteCounterModel.getNumber();
-
-        Collection<S> siteResults = user.findSites( siteNameQuery );
-        if (!allowNameCompletion)
-            siteResults = siteResults.stream().filter(
-                    siteResult -> (siteResult != null) && siteNameQuery.equals( siteResult.getName() ) ).collect( Collectors.toList() );
-        S site = ifNotNullElse( Iterables.getFirst( siteResults, null ),
-                                createSite( user, siteNameQuery, siteCounter, resultType, siteAlgorithm ) );
-        if ((currentSite != null) && currentSite.getName().equals( site.getName() )) {
-            site.setResultType( resultType );
-            site.setAlgorithm( siteAlgorithm );
-            site.setCounter( siteCounter );
-        }
-
-        ListenableFuture<String> passwordFuture = Res.job( this, () ->
-                site.getResult( MPKeyPurpose.Authentication, null, null ) );
-
-        SwingUtilities.invokeLater( () -> {
-            updatingUI = true;
-            currentSite = site;
-            siteActionButton.setVisible( user instanceof MPFileUser );
-            if (currentSite instanceof MPFileSite)
-                siteActionButton.setText( "Delete Site" );
-            else
-                siteActionButton.setText( "Add Site" );
-            resultTypeField.setSelectedItem( currentSite.getResultType() );
-            siteVersionField.setSelectedItem( currentSite.getAlgorithm().version() );
-            siteCounterField.setValue( currentSite.getCounter() );
-            siteNameField.setText( currentSite.getName() );
-            if (siteNameField.getText().startsWith( siteNameQuery ))
-                siteNameField.select( siteNameQuery.length(), siteNameField.getText().length() );
-            passwordField.setText( null );
-            tipLabel.setText( "Getting password..." );
-
-            Futures.addCallback( passwordFuture, new FailableCallback<String>( logger ) {
-                @Override
-                public void onSuccess(@Nullable final String sitePassword) {
-                    if (sitePassword != null)
-                        tipLabel.setText( "Press [Enter] to copy the password.  Then paste it into the password field." );
-
-                    passwordField.setText( sitePassword );
-                    updatingUI = false;
-                }
-            }, Res.uiExecutor( true ) );
-        } );
-
-        return passwordFuture;
-    }
-
-    protected abstract S createSite(U user, String siteName, UnsignedInteger siteCounter, MPResultType resultType, MPAlgorithm algorithm);
-
-    @Override
-    public void insertUpdate(final DocumentEvent e) {
-        updatePassword( true );
-    }
-
-    @Override
-    public void removeUpdate(final DocumentEvent e) {
-        updatePassword( false );
-    }
-
-    @Override
-    public void changedUpdate(final DocumentEvent e) {
-        updatePassword( true );
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/UnlockFrame.java

@@ -1,216 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.gui.view;
-
-import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
-import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
-
-import com.lyndir.masterpassword.MPAlgorithmException;
-import com.lyndir.masterpassword.MPIdenticon;
-import com.lyndir.masterpassword.gui.Res;
-import com.lyndir.masterpassword.gui.util.Components;
-import com.lyndir.masterpassword.model.*;
-import java.awt.*;
-import java.awt.event.*;
-import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
-import javax.annotation.Nullable;
-import javax.swing.*;
-
-
-/**
- * @author lhunath, 2014-06-08
- */
-@SuppressWarnings({ "MagicNumber", "serial" })
-public class UnlockFrame extends JFrame {
-
-    private final SignInCallback              signInCallback;
-    private final Components.GradientPanel    root;
-    private final JLabel                      identiconLabel;
-    private final JButton                     signInButton;
-    private final JPanel                      authenticationContainer;
-    private       AuthenticationPanel<?>      authenticationPanel;
-    private       Future<?>                   identiconFuture;
-    private       boolean                     incognito;
-    @Nullable
-    private       MPUser<? extends MPSite<?>> user;
-
-    public UnlockFrame(final SignInCallback signInCallback) {
-        super( "Unlock Master Password" );
-        this.signInCallback = signInCallback;
-
-        setDefaultCloseOperation( DISPOSE_ON_CLOSE );
-        addWindowFocusListener( new WindowAdapter() {
-            @Override
-            public void windowGainedFocus(final WindowEvent e) {
-                root.setGradientColor( Res.colors().frameBg() );
-            }
-
-            @Override
-            public void windowLostFocus(final WindowEvent e) {
-                root.setGradientColor( Color.RED );
-            }
-        } );
-
-        // Sign In
-        JPanel signInBox = Components.boxLayout( BoxLayout.LINE_AXIS, Box.createGlue(), signInButton = Components.button( "Sign In" ),
-                                                 Box.createGlue() );
-        signInBox.setBackground( null );
-
-        setContentPane( root = Components.gradientPanel( new FlowLayout(), Res.colors().frameBg() ) );
-        root.setLayout( new BoxLayout( root, BoxLayout.PAGE_AXIS ) );
-        root.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
-        root.add( Components.borderPanel( authenticationContainer = Components.boxLayout( BoxLayout.PAGE_AXIS ),
-                                          BorderFactory.createRaisedBevelBorder(), Res.colors().frameBg() ) );
-        root.add( Box.createVerticalStrut( 8 ) );
-        root.add( identiconLabel = Components.label( " ", SwingConstants.CENTER ) );
-        root.add( Box.createVerticalStrut( 8 ) );
-        root.add( signInBox );
-
-        authenticationContainer.setOpaque( true );
-        authenticationContainer.setBackground( Res.colors().controlBg() );
-        authenticationContainer.setBorder( BorderFactory.createEmptyBorder( 20, 20, 20, 20 ) );
-        identiconLabel.setFont( Res.emoticonsFont().deriveFont( 14.f ) );
-        identiconLabel.setToolTipText(
-                strf( "A representation of your identity across all Master Password apps.%nIt should always be the same." ) );
-        signInButton.addActionListener( new AbstractAction() {
-            @Override
-            public void actionPerformed(final ActionEvent e) {
-                trySignIn();
-            }
-        } );
-
-        createAuthenticationPanel();
-
-        setLocationByPlatform( true );
-        setLocationRelativeTo( null );
-    }
-
-    protected void repack() {
-        pack();
-        setMinimumSize( new Dimension( Math.max( 300, getPreferredSize().width ), Math.max( 300, getPreferredSize().height ) ) );
-        pack();
-    }
-
-    private void createAuthenticationPanel() {
-        authenticationContainer.removeAll();
-
-        if (incognito) {
-            authenticationPanel = new IncognitoAuthenticationPanel( this );
-        } else {
-            authenticationPanel = new ModelAuthenticationPanel( this );
-        }
-        authenticationPanel.updateUser( false );
-        authenticationContainer.add( authenticationPanel );
-        authenticationContainer.add( Components.stud() );
-
-        JCheckBox incognitoCheckBox = Components.checkBox( "Incognito" );
-        incognitoCheckBox.setToolTipText( "Log in without saving any information." );
-        incognitoCheckBox.setSelected( incognito );
-        incognitoCheckBox.addItemListener( e -> {
-            incognito = incognitoCheckBox.isSelected();
-            SwingUtilities.invokeLater( this::createAuthenticationPanel );
-        } );
-
-        JComponent toolsPanel = Components.boxLayout( BoxLayout.LINE_AXIS, incognitoCheckBox, Box.createGlue() );
-        authenticationContainer.add( toolsPanel );
-        for (final JButton button : authenticationPanel.getButtons()) {
-            toolsPanel.add( button );
-            button.setBorder( BorderFactory.createEmptyBorder() );
-            button.setMargin( new Insets( 0, 0, 0, 0 ) );
-            button.setAlignmentX( RIGHT_ALIGNMENT );
-            button.setContentAreaFilled( false );
-        }
-
-        checkSignIn();
-        validate();
-        repack();
-
-        SwingUtilities.invokeLater( () -> ifNotNullElse( authenticationPanel.getFocusComponent(), signInButton ).requestFocusInWindow() );
-    }
-
-    void updateUser(@Nullable final MPUser<? extends MPSite<?>> user) {
-        this.user = user;
-        checkSignIn();
-    }
-
-    boolean checkSignIn() {
-        if (identiconFuture != null)
-            identiconFuture.cancel( false );
-        identiconFuture = Res.job( this, () -> SwingUtilities.invokeLater( () -> {
-            String fullName       = (user == null)? "": user.getFullName();
-            char[] masterPassword = authenticationPanel.getMasterPassword();
-
-            if (fullName.isEmpty() || (masterPassword.length == 0)) {
-                identiconLabel.setText( " " );
-                return;
-            }
-
-            MPIdenticon identicon = new MPIdenticon( fullName, masterPassword );
-            identiconLabel.setText( identicon.getText() );
-            identiconLabel.setForeground(
-                    Res.colors().fromIdenticonColor( identicon.getColor(), Res.Colors.BackgroundMode.DARK ) );
-        } ), 300, TimeUnit.MILLISECONDS );
-
-        String  fullName       = (user == null)? "": user.getFullName();
-        char[]  masterPassword = authenticationPanel.getMasterPassword();
-        boolean enabled        = !fullName.isEmpty() && (masterPassword.length > 0);
-        signInButton.setEnabled( enabled );
-
-        return enabled;
-    }
-
-    void trySignIn(final JComponent... signInComponents) {
-        if ((user == null) || !checkSignIn())
-            return;
-
-        for (final JComponent signInComponent : signInComponents)
-            signInComponent.setEnabled( false );
-
-        signInButton.setEnabled( false );
-        signInButton.setText( "Signing In..." );
-
-        Res.job( this, () -> {
-            try {
-                user.authenticate( authenticationPanel.getMasterPassword() );
-
-                SwingUtilities.invokeLater( () -> {
-                    signInCallback.signedIn( authenticationPanel.newPasswordFrame() );
-                    dispose();
-                } );
-            }
-            catch (final MPIncorrectMasterPasswordException | MPAlgorithmException e) {
-                SwingUtilities.invokeLater( () -> {
-                    JOptionPane.showMessageDialog( null, e.getLocalizedMessage(), "Sign In Failed", JOptionPane.ERROR_MESSAGE );
-                    authenticationPanel.reset();
-                    signInButton.setText( "Sign In" );
-                    for (final JComponent signInComponent : signInComponents)
-                        signInComponent.setEnabled( true );
-                    checkSignIn();
-                } );
-            }
-        } );
-    }
-
-    @FunctionalInterface
-    public interface SignInCallback {
-
-        void signedIn(PasswordFrame<?, ?> passwordFrame);
-    }
-}

platform-independent/java/gui/src/main/java/com/lyndir/masterpassword/gui/view/UserContentPanel.java

@@ -0,0 +1,987 @@
+package com.lyndir.masterpassword.gui.view;
+
+import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
+
+import com.google.common.base.*;
+import com.google.common.collect.ImmutableList;
+import com.google.common.primitives.UnsignedInteger;
+import com.lyndir.lhunath.opal.system.logging.Logger;
+import com.lyndir.lhunath.opal.system.util.ObjectUtils;
+import com.lyndir.masterpassword.*;
+import com.lyndir.masterpassword.gui.MPGuiConstants;
+import com.lyndir.masterpassword.gui.MasterPassword;
+import com.lyndir.masterpassword.gui.model.*;
+import com.lyndir.masterpassword.gui.util.*;
+import com.lyndir.masterpassword.gui.util.Platform;
+import com.lyndir.masterpassword.model.*;
+import com.lyndir.masterpassword.model.impl.*;
+import com.lyndir.masterpassword.util.Utilities;
+import java.awt.*;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.event.*;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.util.*;
+import java.util.Optional;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Consumer;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.swing.*;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.text.PlainDocument;
+
+
+/**
+ * @author lhunath, 2018-07-14
+ */
+@SuppressWarnings("SerializableStoresNonSerializable")
+public class UserContentPanel extends JPanel implements MasterPassword.Listener, MPUser.Listener {
+
+    private static final Random    random             = new Random();
+    private static final int       SIZE_RESULT        = 48;
+    private static final Logger    logger             = Logger.get( UserContentPanel.class );
+    private static final JButton   iconButton         = Components.button( Res.icons().user(), null, null );
+    private static final KeyStroke copyLoginKeyStroke = KeyStroke.getKeyStroke( KeyEvent.VK_ENTER, InputEvent.SHIFT_DOWN_MASK );
+
+    private final JButton addButton    = Components.button( Res.icons().add(), event -> addUser(),
+                                                            "Add a new user to Master Password." );
+    private final JButton importButton = Components.button( Res.icons().import_(), event -> importUser(),
+                                                            "Import a user from a backup file into Master Password." );
+    private final JButton helpButton   = Components.button( Res.icons().help(), event -> showHelp(),
+                                                            "Show information on how to use Master Password." );
+
+    private final JPanel userToolbar = Components.panel( BoxLayout.PAGE_AXIS );
+    private final JPanel siteToolbar = Components.panel( BoxLayout.PAGE_AXIS );
+
+    @Nullable
+    private MPUser<?>   showingUser;
+    private ContentMode contentMode;
+
+    public UserContentPanel() {
+        userToolbar.setPreferredSize( iconButton.getPreferredSize() );
+        siteToolbar.setPreferredSize( iconButton.getPreferredSize() );
+
+        setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
+        setBorder( Components.marginBorder() );
+        showUser( null );
+
+        MasterPassword.get().addListener( this );
+    }
+
+    protected JComponent getUserToolbar() {
+        return userToolbar;
+    }
+
+    protected JComponent getSiteToolbar() {
+        return siteToolbar;
+    }
+
+    @Override
+    public void onUserSelected(@Nullable final MPUser<?> user) {
+        showUser( user );
+    }
+
+    @Override
+    public void onUserUpdated(final MPUser<?> user) {
+        showUser( user );
+    }
+
+    @Override
+    public void onUserAuthenticated(final MPUser<?> user) {
+        showUser( user );
+    }
+
+    @Override
+    public void onUserInvalidated(final MPUser<?> user) {
+        showUser( user );
+    }
+
+    private void showUser(@Nullable final MPUser<?> user) {
+        Res.ui( () -> {
+            if (showingUser != null)
+                showingUser.removeListener( this );
+
+            ContentMode newContentMode = ContentMode.getContentMode( user );
+            if ((newContentMode != contentMode) || !ObjectUtils.equals( showingUser, user )) {
+                userToolbar.removeAll();
+                siteToolbar.removeAll();
+                removeAll();
+                showingUser = user;
+                switch (contentMode = newContentMode) {
+                    case NO_USER:
+                        add( new NoUserPanel() );
+                        break;
+                    case AUTHENTICATE:
+                        add( new AuthenticateUserPanel( Preconditions.checkNotNull( showingUser ) ) );
+                        break;
+                    case AUTHENTICATED:
+                        add( new AuthenticatedUserPanel( Preconditions.checkNotNull( showingUser ) ) );
+                        break;
+                }
+                revalidate();
+                transferFocus();
+            }
+
+            if (showingUser != null)
+                showingUser.addListener( this );
+        } );
+    }
+
+    private void addUser() {
+        JTextField nameField      = Components.textField( "Robert Lee Mitchell", null );
+        JCheckBox  incognitoField = Components.checkBox( "<html>Incognito <em>(Do not save this user to disk)</em></html>" );
+        if (JOptionPane.OK_OPTION != Components.showDialog( this, "Add User", new JOptionPane( Components.panel(
+                BoxLayout.PAGE_AXIS,
+                Components.label( "<html>Enter your full legal name:</html>" ),
+                Components.strut(),
+                nameField,
+                Components.strut(),
+                incognitoField ), JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION ) {
+            @Override
+            public void selectInitialValue() {
+                nameField.requestFocusInWindow();
+            }
+        } ))
+            return;
+        String fullName = nameField.getText();
+        if (Strings.isNullOrEmpty( fullName ))
+            return;
+
+        if (incognitoField.isSelected())
+            MasterPassword.get().activateUser( new MPIncognitoUser( fullName ) );
+        else
+            MasterPassword.get().activateUser( MPFileUserManager.get().add( fullName ) );
+    }
+
+    private void importUser() {
+        File importFile = Components.showLoadDialog( this, "Import User File" );
+        if (importFile == null)
+            return;
+
+        try {
+            MPFileUser importUser = MPFileUser.load( importFile );
+            if (importUser == null) {
+                JOptionPane.showMessageDialog(
+                        this, "Not a Master Password file.",
+                        "Import Failed", JOptionPane.ERROR_MESSAGE );
+                return;
+            }
+
+            JPasswordField passwordField = Components.passwordField();
+            if (JOptionPane.OK_OPTION == Components.showDialog( this, "Import User", new JOptionPane( Components.panel(
+                    BoxLayout.PAGE_AXIS,
+                    Components.label( strf( "<html>Enter the master password to import <strong>%s</strong>:</html>",
+                                            importUser.getFullName() ) ),
+                    Components.strut(),
+                    passwordField ), JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION ) {
+                @Override
+                public void selectInitialValue() {
+                    passwordField.requestFocusInWindow();
+                }
+            } )) {
+                try {
+                    importUser.authenticate( passwordField.getPassword() );
+                    Optional<MPFileUser> existingUser = MPFileUserManager.get().getFiles().stream().filter(
+                            user -> user.getFullName().equalsIgnoreCase( importUser.getFullName() ) ).findFirst();
+                    if (existingUser.isPresent() && (JOptionPane.YES_OPTION != JOptionPane.showConfirmDialog(
+                            this,
+                            strf( "<html>Importing user <strong>%s</strong> from this file will replace the existing user with the imported one.<br>"
+                                  + "Are you sure?<br><br>"
+                                  + "<em>Existing user last modified: %s<br>Imported user last modified: %s</em></html>",
+                                  importUser.getFullName(),
+                                  Res.format( existingUser.get().getLastUsed() ),
+                                  Res.format( importUser.getLastUsed() ) ) )))
+                        return;
+
+                    MasterPassword.get().activateUser( MPFileUserManager.get().add( importUser ) );
+                }
+                catch (final MPIncorrectMasterPasswordException | MPAlgorithmException e) {
+                    JOptionPane.showMessageDialog(
+                            this, e.getLocalizedMessage(),
+                            "Import Failed", JOptionPane.ERROR_MESSAGE );
+                }
+            }
+        }
+        catch (final IOException e) {
+            logger.err( e, "While reading user import file." );
+            JOptionPane.showMessageDialog(
+                    this, strf( "<html>Couldn't read import file:<br><pre>%s</pre></html>.", e.getLocalizedMessage() ),
+                    "Import Failed", JOptionPane.ERROR_MESSAGE );
+        }
+        catch (final MPMarshalException e) {
+            logger.err( e, "While parsing user import file." );
+            JOptionPane.showMessageDialog(
+                    this, strf( "<html>Couldn't parse import file:<br><pre>%s</pre></html>.", e.getLocalizedMessage() ),
+                    "Import Failed", JOptionPane.ERROR_MESSAGE );
+        }
+    }
+
+    private void showHelp() {
+        JOptionPane.showMessageDialog( this, Components.linkLabel( strf(
+                "<h1>Master Password - v%s</h1>"
+                + "<p>The primary goal of this application is to provide a reliable security solution that also "
+                + "makes you independent from your computer.  If you lose access to this computer or your data, "
+                + "the application can regenerate all your secrets from scratch on any new device.</p>"
+                + "<h2>Opening Master Password</h2>"
+                + "<p>To use Master Password, simply open the application on your computer. "
+                + "Once running, you can bring up the user interface at any time by pressing the keys "
+                + "<strong><code>%s+%s</code></strong>."
+                + "<h2>Persistence</h2>"
+                + "<p>Though at the core, Master Password does not require the use of any form of data "
+                + "storage, the application does remember the names of the sites you've used in the past to "
+                + "make it easier for you to use them again in the future.  All user information is saved in "
+                + "files on your computer at the following location:<br><pre>%s</pre></p>"
+                + "<p>You can read, modify, backup or place new files in this location as you see fit. "
+                + "Some people even configure this location to be synced between their different computers "
+                + "using services such as those provided by SpiderOak or Dropbox.</p>"
+                + "<hr><p><a href='https://masterpassword.app'>https://masterpassword.app</a> — by Maarten Billemont</p>",
+                MasterPassword.get().version(),
+                InputEvent.getModifiersExText( MPGuiConstants.ui_hotkey.getModifiers() ),
+                KeyEvent.getKeyText( MPGuiConstants.ui_hotkey.getKeyCode() ),
+                MPFileUserManager.get().getPath().getAbsolutePath() ) ),
+                                       "About Master Password", JOptionPane.INFORMATION_MESSAGE );
+    }
+
+    private enum ContentMode {
+        NO_USER,
+        AUTHENTICATE,
+        AUTHENTICATED;
+
+        static ContentMode getContentMode(@Nullable final MPUser<?> user) {
+            if (user == null)
+                return NO_USER;
+            else if (!user.isMasterKeyAvailable())
+                return AUTHENTICATE;
+            else
+                return AUTHENTICATED;
+        }
+    }
+
+
+    private final class NoUserPanel extends JPanel {
+
+        private NoUserPanel() {
+            setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
+
+            userToolbar.add( addButton );
+            userToolbar.add( importButton );
+            userToolbar.add( Box.createGlue() );
+            userToolbar.add( helpButton );
+
+            add( Box.createGlue() );
+            add( Components.heading( "Select a user to proceed." ) );
+            add( Box.createGlue() );
+        }
+    }
+
+
+    private final class AuthenticateUserPanel extends JPanel implements ActionListener, DocumentListener {
+
+        @Nonnull
+        private final MPUser<?> user;
+
+        private final JButton exportButton = Components.button( Res.icons().export(), event -> exportUser(),
+                                                                "Export this user to a backup file." );
+        private final JButton deleteButton = Components.button( Res.icons().delete(), event -> deleteUser(),
+                                                                "Delete this user from Master Password." );
+        private final JButton resetButton  = Components.button( Res.icons().reset(), event -> resetUser(),
+                                                                "Change the master password for this user." );
+
+        private final JPasswordField masterPasswordField;
+        private final JLabel         errorLabel;
+        private final JLabel         identiconLabel;
+
+        private Future<?> identiconJob;
+
+        private AuthenticateUserPanel(@Nonnull final MPUser<?> user) {
+            setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
+
+            this.user = user;
+
+            userToolbar.add( addButton );
+            userToolbar.add( importButton );
+            userToolbar.add( exportButton );
+            userToolbar.add( deleteButton );
+            userToolbar.add( resetButton );
+            userToolbar.add( Box.createGlue() );
+            userToolbar.add( helpButton );
+
+            add( Components.heading( user.getFullName(), SwingConstants.CENTER ) );
+            add( Components.strut() );
+
+            add( identiconLabel = Components.label( SwingConstants.CENTER ) );
+            identiconLabel.setFont( Res.fonts().emoticonsFont( Components.TEXT_SIZE_CONTROL ) );
+            add( Box.createGlue() );
+
+            add( Components.label( "Master Password:" ) );
+            add( Components.strut() );
+            add( masterPasswordField = Components.passwordField() );
+            masterPasswordField.addActionListener( this );
+            masterPasswordField.getDocument().addDocumentListener( this );
+            add( errorLabel = Components.label() );
+            errorLabel.setForeground( Res.colors().errorFg() );
+            add( Box.createGlue() );
+        }
+
+        private void exportUser() {
+            MPFileUser fileUser = (user instanceof MPFileUser)? (MPFileUser) user: null;
+            if (fileUser == null)
+                return;
+
+            File exportFile = Components.showSaveDialog( this, "Export User File", fileUser.getFile().getName() );
+            if (exportFile == null)
+                return;
+
+            try {
+                Platform.get().show(
+                        Files.copy( fileUser.getFile().toPath(), exportFile.toPath(),
+                                    StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES ).toFile() );
+            }
+            catch (final IOException e) {
+                JOptionPane.showMessageDialog(
+                        this, e.getLocalizedMessage(),
+                        "Export Failed", JOptionPane.ERROR_MESSAGE );
+            }
+        }
+
+        private void deleteUser() {
+            MPFileUser fileUser = (user instanceof MPFileUser)? (MPFileUser) user: null;
+            if (fileUser == null)
+                return;
+
+            if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(
+                    SwingUtilities.windowForComponent( this ), strf( "<html>Delete the user <strong>%s</strong>?<br><br><em>%s</em></html>",
+                                                                     fileUser.getFullName(), fileUser.getFile().getName() ),
+                    "Delete User", JOptionPane.YES_NO_OPTION ))
+                MPFileUserManager.get().delete( fileUser );
+        }
+
+        private void resetUser() {
+            JPasswordField passwordField = Components.passwordField();
+            if (JOptionPane.OK_OPTION == Components.showDialog( this, "Reset User", new JOptionPane( Components.panel(
+                    BoxLayout.PAGE_AXIS,
+                    Components.label( strf( "<html>Enter the new master password for <strong>%s</strong>:</html>",
+                                            user.getFullName() ) ),
+                    Components.strut(),
+                    passwordField,
+                    Components.strut(),
+                    Components.label( strf( "<html><em><strong>Note:</strong><br>Changing the master password "
+                                            + "will change all of the user's passwords.<br>"
+                                            + "Changing back to the original master password will also restore<br>"
+                                            + "the user's original passwords.</em></html>",
+                                            user.getFullName() ) ) ), JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION ) {
+                @Override
+                public void selectInitialValue() {
+                    passwordField.requestFocusInWindow();
+                }
+            } )) {
+                char[] masterPassword = passwordField.getPassword();
+                if ((masterPassword != null) && (masterPassword.length > 0))
+                    try {
+                        user.reset();
+                        user.authenticate( masterPassword );
+                    }
+                    catch (final MPIncorrectMasterPasswordException e) {
+                        errorLabel.setText( e.getLocalizedMessage() );
+                        throw logger.bug( e );
+                    }
+                    catch (final MPAlgorithmException e) {
+                        logger.err( e, "While resetting master password." );
+                        errorLabel.setText( e.getLocalizedMessage() );
+                    }
+            }
+        }
+
+        @Override
+        public void actionPerformed(final ActionEvent event) {
+            updateIdenticon();
+
+            char[] masterPassword = masterPasswordField.getPassword();
+            Res.job( () -> {
+                try {
+                    user.authenticate( masterPassword );
+                }
+                catch (final MPIncorrectMasterPasswordException e) {
+                    logger.wrn( e, "During user authentication for: %s", user );
+                    errorLabel.setText( e.getLocalizedMessage() );
+                }
+                catch (final MPAlgorithmException e) {
+                    logger.err( e, "During user authentication for: %s", user );
+                    errorLabel.setText( e.getLocalizedMessage() );
+                }
+            } );
+        }
+
+        @Override
+        public void insertUpdate(final DocumentEvent event) {
+            update();
+        }
+
+        @Override
+        public void removeUpdate(final DocumentEvent event) {
+            update();
+        }
+
+        @Override
+        public void changedUpdate(final DocumentEvent event) {
+            update();
+        }
+
+        private synchronized void update() {
+            errorLabel.setText( " " );
+
+            if (identiconJob != null)
+                identiconJob.cancel( true );
+
+            identiconJob = Res.job( this::updateIdenticon, 100 + random.nextInt( 100 ), TimeUnit.MILLISECONDS );
+        }
+
+        private void updateIdenticon() {
+            char[] masterPassword = masterPasswordField.getPassword();
+            MPIdenticon identicon = ((masterPassword != null) && (masterPassword.length > 0))?
+                    new MPIdenticon( user.getFullName(), masterPassword ): null;
+
+            Res.ui( () -> {
+                if (identicon != null) {
+                    identiconLabel.setForeground(
+                            Res.colors().fromIdenticonColor( identicon.getColor(), Res.Colors.BackgroundMode.LIGHT ) );
+                    identiconLabel.setText( identicon.getText() );
+                } else {
+                    identiconLabel.setForeground( null );
+                    identiconLabel.setText( " " );
+                }
+            } );
+        }
+    }
+
+
+    private final class AuthenticatedUserPanel extends JPanel implements KeyListener, MPUser.Listener {
+
+        private final JButton userButton      = Components.button( Res.icons().user(), event -> showUserPreferences(),
+                                                                   "Show user preferences." );
+        private final JButton logoutButton    = Components.button( Res.icons().lock(), event -> logoutUser(),
+                                                                   "Sign out and lock user." );
+        private final JButton settingsButton  = Components.button( Res.icons().settings(), event -> showSiteSettings(),
+                                                                   "Show site settings." );
+        private final JButton questionsButton = Components.button( Res.icons().question(), event -> showSiteQuestions(),
+                                                                   "Show site recovery questions." );
+        private final JButton editButton      = Components.button( Res.icons().edit(), event -> showSiteValues(),
+                                                                   "Set/save personal password/login." );
+        private final JButton keyButton       = Components.button( Res.icons().key(), event -> showSiteKeys(),
+                                                                   "Cryptographic site keys." );
+        private final JButton deleteButton    = Components.button( Res.icons().delete(), event -> deleteSite(),
+                                                                   "Delete the site from the user." );
+
+        @Nonnull
+        private final MPUser<?>                      user;
+        private final JLabel                         passwordLabel;
+        private final JLabel                         passwordField;
+        private final JLabel                         answerLabel;
+        private final JLabel                         answerField;
+        private final JLabel                         queryLabel;
+        private final JTextField                     queryField;
+        private final CollectionListModel<MPSite<?>> sitesModel;
+        private final JList<MPSite<?>>               sitesList;
+
+        private Future<?> updateSitesJob;
+
+        private AuthenticatedUserPanel(@Nonnull final MPUser<?> user) {
+            setLayout( new BoxLayout( this, BoxLayout.PAGE_AXIS ) );
+
+            this.user = user;
+
+            userToolbar.add( addButton );
+            userToolbar.add( userButton );
+            userToolbar.add( logoutButton );
+            userToolbar.add( Box.createGlue() );
+            userToolbar.add( helpButton );
+
+            siteToolbar.add( settingsButton );
+            siteToolbar.add( questionsButton );
+            siteToolbar.add( editButton );
+            siteToolbar.add( keyButton );
+            siteToolbar.add( deleteButton );
+            settingsButton.setEnabled( false );
+            questionsButton.setEnabled( false );
+            editButton.setEnabled( false );
+            keyButton.setEnabled( false );
+            deleteButton.setEnabled( false );
+
+            answerLabel = Components.label( "Answer:" );
+            answerField = Components.heading( SwingConstants.CENTER );
+            answerField.setForeground( Res.colors().highlightFg() );
+            answerField.setFont( Res.fonts().bigValueFont( SIZE_RESULT ) );
+
+            add( Components.heading( user.getFullName(), SwingConstants.CENTER ) );
+
+            add( passwordLabel = Components.label( SwingConstants.CENTER ) );
+            add( passwordField = Components.heading( SwingConstants.CENTER ) );
+            passwordField.setForeground( Res.colors().highlightFg() );
+            passwordField.setFont( Res.fonts().bigValueFont( SIZE_RESULT ) );
+            add( Box.createGlue() );
+            add( Components.strut() );
+
+            add( queryLabel = Components.label() );
+            queryLabel.setText( strf( "%s's password for:", user.getFullName() ) );
+            add( queryField = Components.textField( null, this::updateSites ) );
+            queryField.putClientProperty( "JTextField.variant", "search" );
+            queryField.addActionListener( this::useSite );
+            queryField.getInputMap().put( copyLoginKeyStroke, JTextField.notifyAction );
+            queryField.addKeyListener( this );
+            queryField.requestFocusInWindow();
+            add( Components.strut() );
+
+            add( Components.scrollPane( sitesList = Components.list(
+                    sitesModel = new CollectionListModel<MPSite<?>>().selection( this::showSiteResult ),
+                    this::getSiteDescription ) ) );
+            add( Components.strut() );
+
+            add( Components.label( strf(
+                    "Press %s to copy password, %s+%s to copy login name.",
+                    KeyEvent.getKeyText( KeyEvent.VK_ENTER ),
+                    InputEvent.getModifiersExText( copyLoginKeyStroke.getModifiers() ),
+                    KeyEvent.getKeyText( copyLoginKeyStroke.getKeyCode() ) ) ) );
+
+            addHierarchyListener( e -> {
+                if (null != SwingUtilities.windowForComponent( this ))
+                    user.addListener( this );
+                else
+                    user.removeListener( this );
+            } );
+        }
+
+        public void showUserPreferences() {
+            ImmutableList.Builder<Component> components = ImmutableList.builder();
+
+            MPFileUser fileUser = (user instanceof MPFileUser)? (MPFileUser) user: null;
+            if (fileUser != null)
+                components.add( Components.label( "Default Password Type:" ),
+                                Components.comboBox( MPResultType.values(), MPResultType::getLongName,
+                                                     fileUser.getDefaultType(), fileUser::setDefaultType ),
+                                Components.strut() );
+
+            components.add( Components.label( "Default Algorithm:" ),
+                            Components.comboBox( MPAlgorithm.Version.values(), MPAlgorithm.Version::name,
+                                                 user.getAlgorithm().version(),
+                                                 version -> user.setAlgorithm( version.getAlgorithm() ) ) );
+
+            Components.showDialog( this, user.getFullName(), new JOptionPane( Components.panel(
+                    BoxLayout.PAGE_AXIS, components.build().toArray( new Component[0] ) ) ) );
+        }
+
+        public void logoutUser() {
+            user.invalidate();
+        }
+
+        public void showSiteSettings() {
+            MPSite<?> site = sitesModel.getSelectedItem();
+            if (site == null)
+                return;
+
+            ImmutableList.Builder<Component> components = ImmutableList.builder();
+            components.add( Components.label( "Algorithm:" ),
+                            Components.comboBox( MPAlgorithm.Version.values(), MPAlgorithm.Version::name,
+                                                 site.getAlgorithm().version(),
+                                                 version -> site.setAlgorithm( version.getAlgorithm() ) ) );
+
+            components.add( Components.label( "Counter:" ),
+                            Components.spinner( new UnsignedIntegerModel( site.getCounter(), UnsignedInteger.ONE )
+                                                        .selection( site::setCounter ) ),
+                            Components.strut() );
+
+            components.add( Components.label( "Password Type:" ),
+                            Components.comboBox( MPResultType.values(), type -> getTypeDescription(
+                                    type, user.getDefaultType(), user.getAlgorithm().mpw_default_result_type() ),
+                                                 site.getResultType(), site::setResultType ),
+                            Components.strut() );
+
+            components.add( Components.label( "Login Type:" ),
+                            Components.comboBox( MPResultType.values(), type -> getTypeDescription(
+                                    type, user.getAlgorithm().mpw_default_login_type() ),
+                                                 site.getLoginType(), site::setLoginType ),
+                            Components.strut() );
+
+            MPFileSite fileSite = (site instanceof MPFileSite)? (MPFileSite) site: null;
+            if (fileSite != null)
+                components.add( Components.label( "URL:" ),
+                                Components.textField( fileSite.getUrl(), fileSite::setUrl ),
+                                Components.strut() );
+
+            Components.showDialog( this, strf( "Settings for %s", site.getSiteName() ), new JOptionPane( Components.panel(
+                    BoxLayout.PAGE_AXIS, components.build().toArray( new Component[0] ) ) ) );
+        }
+
+        private String getTypeDescription(final MPResultType type, final MPResultType... defaults) {
+            boolean isDefault = false;
+            for (final MPResultType d : defaults)
+                if (isDefault = type == d)
+                    break;
+
+            return strf( "<html>%s%s%s, %s", isDefault? "<b>": "", type.getLongName(), isDefault? "</b>": "", type.getDescription() );
+        }
+
+        public void showSiteQuestions() {
+            MPSite<?> site = sitesModel.getSelectedItem();
+            if (site == null)
+                return;
+
+            CollectionListModel<MPQuestion> questionsModel = new CollectionListModel<MPQuestion>().selection( this::showQuestionResult );
+            JList<MPQuestion> questionsList = Components.list(
+                    questionsModel, question -> Strings.isNullOrEmpty( question.getKeyword() )? "<site>": question.getKeyword() );
+            JTextField queryField = Components.textField( null, query -> Res.job( () -> {
+                Collection<MPQuestion> questions = new LinkedList<>( site.findQuestions( query ) );
+                if (questions.stream().noneMatch( question -> question.getKeyword().equalsIgnoreCase( query ) ))
+                    questions.add( new MPNewQuestion( site, Utilities.ifNotNullElse( query, "" ) ) );
+
+                Res.ui( () -> questionsModel.set( questions ) );
+            } ) );
+            queryField.putClientProperty( "JTextField.variant", "search" );
+            queryField.addActionListener( event -> useQuestion( questionsModel.getSelectedItem() ) );
+            queryField.addKeyListener( new KeyAdapter() {
+                @Override
+                public void keyPressed(final KeyEvent event) {
+                    if ((event.getKeyCode() == KeyEvent.VK_UP) || (event.getKeyCode() == KeyEvent.VK_DOWN))
+                        questionsList.dispatchEvent( event );
+                }
+
+                @Override
+                public void keyReleased(final KeyEvent event) {
+                    if ((event.getKeyCode() == KeyEvent.VK_UP) || (event.getKeyCode() == KeyEvent.VK_DOWN))
+                        questionsList.dispatchEvent( event );
+                }
+            } );
+
+            Components.showDialog( this, strf( "Recovery answers for %s", site.getSiteName() ), new JOptionPane( Components.panel(
+                    BoxLayout.PAGE_AXIS,
+                    Components.label( "Security Question Keyword:" ), queryField,
+                    Components.strut(),
+                    answerLabel, answerField,
+                    Components.strut(),
+                    Components.scrollPane( questionsList ) ) ) {
+                @Override
+                public void selectInitialValue() {
+                    queryField.requestFocusInWindow();
+                }
+            } );
+        }
+
+        public void showSiteValues() {
+            MPSite<?> site = sitesModel.getSelectedItem();
+            if (site == null)
+                return;
+
+            try {
+                JTextField passwordField = Components.textField( site.getResult(), null );
+                JTextField loginField    = Components.textField( site.getLogin(), null );
+                passwordField.setEditable( site.getResultType().getTypeClass() == MPResultTypeClass.Stateful );
+                loginField.setEditable( site.getLoginType().getTypeClass() == MPResultTypeClass.Stateful );
+
+                if (JOptionPane.OK_OPTION == Components.showDialog( this, site.getSiteName(), new JOptionPane(
+                        Components.panel(
+                                BoxLayout.PAGE_AXIS,
+                                Components.label( strf( "<html>Site Login (currently set to: <b>%s</b>):",
+                                                        getTypeDescription( site.getLoginType() ) ) ),
+                                loginField,
+                                Components.strut(),
+                                Components.label( strf( "<html>Site Password (currently set to: <b>%s</b>):",
+                                                        getTypeDescription( site.getResultType() ) ) ),
+                                passwordField,
+                                Components.strut(),
+                                Components.label( "<html>To save a personal value in these fields,\n" +
+                                                  "change the type to <b>Saved</b> in the site's settings." ) ),
+                        JOptionPane.PLAIN_MESSAGE, JOptionPane.OK_CANCEL_OPTION ) {
+                    @Override
+                    public void selectInitialValue() {
+                        passwordField.requestFocusInWindow();
+                    }
+                } )) {
+                    if (site instanceof MPFileSite) {
+                        MPFileSite fileSite = (MPFileSite) site;
+
+                        if (site.getResultType().getTypeClass() == MPResultTypeClass.Stateful)
+                            fileSite.setSitePassword( site.getResultType(), passwordField.getText() );
+                        if (site.getLoginType().getTypeClass() == MPResultTypeClass.Stateful)
+                            fileSite.setLoginName( site.getLoginType(), loginField.getText() );
+                    }
+                }
+            }
+            catch (final MPKeyUnavailableException | MPAlgorithmException e) {
+                logger.err( e, "While computing site edit results." );
+            }
+        }
+
+        public void showSiteKeys() {
+            MPSite<?> site = sitesModel.getSelectedItem();
+            if (site == null)
+                return;
+
+            JTextArea resultField = Components.textArea();
+            resultField.setEnabled( false );
+
+            CollectionListModel<MPKeyPurpose> purposeModel = new CollectionListModel<>( MPKeyPurpose.values() );
+            DocumentModel                     contextModel = new DocumentModel( new PlainDocument() );
+            UnsignedIntegerModel              counterModel = new UnsignedIntegerModel( UnsignedInteger.ONE );
+            CollectionListModel<MPResultType> typeModel    = new CollectionListModel<>( MPResultType.values() );
+            DocumentModel                     stateModel   = new DocumentModel( new PlainDocument() );
+
+            Runnable trigger = () -> Res.job( () -> {
+                try {
+                    MPKeyPurpose purpose = purposeModel.getSelectedItem();
+                    MPResultType type    = typeModel.getSelectedItem();
+
+                    String result = ((purpose == null) || (type == null))? null:
+                            site.getResult( purpose, contextModel.getText(), counterModel.getNumber(), type, stateModel.getText() );
+
+                    Res.ui( () -> resultField.setText( result ) );
+                }
+                catch (final MPKeyUnavailableException | MPAlgorithmException e) {
+                    logger.err( e, "While computing site edit results." );
+                }
+            } );
+
+            purposeModel.selection( MPKeyPurpose.Authentication, p -> trigger.run() );
+            contextModel.selection( c -> trigger.run() );
+            counterModel.selection( c -> trigger.run() );
+            typeModel.selection( MPResultType.DeriveKey, t -> {
+                switch (t) {
+                    case DeriveKey:
+                        stateModel.setText( Integer.toString( site.getAlgorithm().mpw_keySize_min() ) );
+                        break;
+
+                    default:
+                        stateModel.setText( null );
+                }
+
+                trigger.run();
+            } );
+            stateModel.selection( c -> trigger.run() );
+
+            if (JOptionPane.OK_OPTION == Components.showDialog( this, site.getSiteName(), new JOptionPane( Components.panel(
+                    BoxLayout.PAGE_AXIS,
+                    Components.heading( "Key Calculator" ),
+                    Components.label( "Purpose:" ),
+                    Components.comboBox( purposeModel, MPKeyPurpose::getShortName ),
+                    Components.strut(),
+                    Components.label( "Context:" ),
+                    Components.textField( contextModel.getDocument() ),
+                    Components.label( "Counter:" ),
+                    Components.spinner( counterModel ),
+                    Components.label( "Type:" ),
+                    Components.comboBox( typeModel, this::getTypeDescription ),
+                    Components.label( "State:" ),
+                    Components.scrollPane( Components.textField( stateModel.getDocument() ) ),
+                    Components.strut(),
+                    resultField ) ) {
+                {
+                    setOptions( new Object[]{ "Copy", "Cancel" } );
+                    setInitialValue( getOptions()[0] );
+                }
+            } ))
+                copyResult( resultField.getText() );
+        }
+
+        public void deleteSite() {
+            MPSite<?> site = sitesModel.getSelectedItem();
+            if (site == null)
+                return;
+
+            if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(
+                    this, strf( "<html>Forget the site <strong>%s</strong>?</html>", site.getSiteName() ),
+                    "Delete Site", JOptionPane.YES_NO_OPTION ))
+                user.deleteSite( site );
+        }
+
+        private String getSiteDescription(@Nonnull final MPSite<?> site) {
+            if (site instanceof MPNewSite)
+                return strf( "<html><strong>%s</strong> &lt;Add new site&gt;</html>", queryField.getText() );
+
+            ImmutableList.Builder<Object> parameters = ImmutableList.builder();
+            try {
+                MPFileSite fileSite = (site instanceof MPFileSite)? (MPFileSite) site: null;
+                if (fileSite != null)
+                    parameters.add( Res.format( fileSite.getLastUsed() ) );
+                parameters.add( site.getAlgorithm().version() );
+                parameters.add( strf( "#%d", site.getCounter().longValue() ) );
+                parameters.add( strf( "<em>%s</em>", site.getLogin() ) );
+                if ((fileSite != null) && (fileSite.getUrl() != null))
+                    parameters.add( fileSite.getUrl() );
+            }
+            catch (final MPAlgorithmException | MPKeyUnavailableException e) {
+                logger.err( e, "While generating site description." );
+                parameters.add( e.getLocalizedMessage() );
+            }
+
+            return strf( "<html><strong>%s</strong> (%s)</html>", site.getSiteName(),
+                         Joiner.on( " - " ).skipNulls().join( parameters.build() ) );
+        }
+
+        private void useSite(final ActionEvent event) {
+            MPSite<?> site = sitesModel.getSelectedItem();
+            if (site instanceof MPNewSite) {
+                if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(
+                        this, strf( "<html>Remember the site <strong>%s</strong>?</html>", site.getSiteName() ),
+                        "New Site", JOptionPane.YES_NO_OPTION )) {
+                    sitesModel.setSelectedItem( user.addSite( site.getSiteName() ) );
+                    useSite( event );
+                }
+                return;
+            }
+
+            boolean loginResult = (copyLoginKeyStroke.getModifiers() & event.getModifiers()) != 0;
+            showSiteResult( site, loginResult, result -> {
+                if (result == null)
+                    return;
+
+                if (site instanceof MPFileSite)
+                    ((MPFileSite) site).use();
+
+                copyResult( result );
+            } );
+        }
+
+        private void showSiteResult(@Nullable final MPSite<?> site) {
+            showSiteResult( site, false, result -> {
+            } );
+        }
+
+        private void showSiteResult(@Nullable final MPSite<?> site, final boolean loginResult, final Consumer<String> resultCallback) {
+            Res.job( () -> {
+                try {
+                    if (site != null)
+                        return loginResult? site.getLogin(): site.getResult();
+                }
+                catch (final MPKeyUnavailableException | MPAlgorithmException e) {
+                    logger.err( e, "While resolving password for: %s", site );
+                }
+
+                return null;
+            }, resultCallback.andThen( result -> Res.ui( () -> {
+                passwordLabel.setText( ((result != null) && (site != null))? strf( "Your password for %s:", site.getSiteName() ): " " );
+                passwordField.setText( (result != null)? result: " " );
+                settingsButton.setEnabled( result != null );
+                questionsButton.setEnabled( result != null );
+                editButton.setEnabled( result != null );
+                keyButton.setEnabled( result != null );
+                deleteButton.setEnabled( result != null );
+            } ) ) );
+        }
+
+        private void useQuestion(@Nullable final MPQuestion question) {
+            if (question instanceof MPNewQuestion) {
+                if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(
+                        this,
+                        strf( "<html>Remember the security question with keyword <strong>%s</strong>?</html>",
+                              Strings.isNullOrEmpty( question.getKeyword() )? "<empty>": question.getKeyword() ),
+                        "New Question", JOptionPane.YES_NO_OPTION )) {
+                    useQuestion( question.getSite().addQuestion( question.getKeyword() ) );
+                }
+                return;
+            }
+
+            showQuestionResult( question, result -> {
+                if (result == null)
+                    return;
+
+                if (question instanceof MPFileQuestion)
+                    ((MPFileQuestion) question).use();
+
+                copyResult( result );
+            } );
+        }
+
+        private void showQuestionResult(@Nullable final MPQuestion question) {
+            showQuestionResult( question, answer -> {
+            } );
+        }
+
+        private void showQuestionResult(@Nullable final MPQuestion question, final Consumer<String> resultCallback) {
+            Res.job( () -> {
+                try {
+                    if (question != null)
+                        return question.getAnswer();
+                }
+                catch (final MPKeyUnavailableException | MPAlgorithmException e) {
+                    logger.err( e, "While resolving answer for: %s", question );
+                }
+
+                return null;
+            }, resultCallback.andThen( answer -> Res.ui( () -> {
+                if ((answer == null) || (question == null))
+                    answerLabel.setText( " " );
+                else
+                    answerLabel.setText(
+                            Strings.isNullOrEmpty( question.getKeyword() )?
+                                    strf( "<html>Answer for site <b>%s</b>:", question.getSite().getSiteName() ):
+                                    strf( "<html>Answer for site <b>%s</b>, of question with keyword <b>%s</b>:",
+                                          question.getSite().getSiteName(), question.getKeyword() ) );
+                answerField.setText( (answer != null)? answer: " " );
+            } ) ) );
+        }
+
+        private void copyResult(final String result) {
+            Transferable clipboardContents = new StringSelection( result );
+            Toolkit.getDefaultToolkit().getSystemClipboard().setContents( clipboardContents, null );
+
+            Res.ui( () -> {
+                Window answerDialog = SwingUtilities.windowForComponent( answerField );
+                if (answerDialog instanceof Dialog)
+                    answerDialog.setVisible( false );
+
+                Window window = SwingUtilities.windowForComponent( UserContentPanel.this );
+                if (window instanceof Frame)
+                    ((Frame) window).setExtendedState( Frame.ICONIFIED );
+            } );
+        }
+
+        @Override
+        public void keyTyped(final KeyEvent event) {
+        }
+
+        @Override
+        public void keyPressed(final KeyEvent event) {
+            if ((event.getKeyCode() == KeyEvent.VK_UP) || (event.getKeyCode() == KeyEvent.VK_DOWN))
+                sitesList.dispatchEvent( event );
+        }
+
+        @Override
+        public void keyReleased(final KeyEvent event) {
+            if ((event.getKeyCode() == KeyEvent.VK_UP) || (event.getKeyCode() == KeyEvent.VK_DOWN))
+                sitesList.dispatchEvent( event );
+        }
+
+        private synchronized void updateSites(@Nullable final String query) {
+            if (updateSitesJob != null)
+                updateSitesJob.cancel( true );
+
+            updateSitesJob = Res.job( () -> {
+                Collection<MPSite<?>> sites = new LinkedList<>( user.findSites( query ) );
+
+                if (!Strings.isNullOrEmpty( query ))
+                    if (sites.stream().noneMatch( site -> site.getSiteName().equalsIgnoreCase( query ) ))
+                        sites.add( new MPNewSite( user, query ) );
+
+                Res.ui( () -> sitesModel.set( sites ) );
+            } );
+        }
+
+        @Override
+        public void onUserUpdated(final MPUser<?> user) {
+            updateSites( queryField.getText() );
+            showSiteResult( sitesModel.getSelectedItem() );
+        }
+
+        @Override
+        public void onUserAuthenticated(final MPUser<?> user) {
+        }
+
+        @Override
+        public void onUserInvalidated(final MPUser<?> user) {
+        }
+    }
+}

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/MPModelConstants.java

@@ -25,14 +25,15 @@ import org.joda.time.format.ISODateTimeFormat;
 /**
  * @author lhunath, 2016-10-29
  */
-public final class MPConstants {
+public final class MPModelConstants {
 
     /* Environment */
 
     /**
      * mpw: default path to look for run configuration files if the platform default is not desired.
      */
-    public static final String env_rcDir        = "MPW_RCDIR";
+    public static final String env_rcDir = "MPW_RCDIR";
+
     /**
      * mpw: permit automatic update checks.
      */

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/MPQuestion.java

@@ -40,6 +40,13 @@ public interface MPQuestion extends Comparable<MPQuestion> {
 
     void setType(MPResultType type);
 
+    @Nonnull
+    default String getAnswer()
+            throws MPKeyUnavailableException, MPAlgorithmException {
+
+        return getAnswer( null );
+    }
+
     @Nonnull
     String getAnswer(@Nullable String state)
             throws MPKeyUnavailableException, MPAlgorithmException;

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/MPSite.java

@@ -18,6 +18,7 @@
 
 package com.lyndir.masterpassword.model;
 
+import com.google.common.collect.ImmutableCollection;
 import com.google.common.primitives.UnsignedInteger;
 import com.lyndir.masterpassword.*;
 import java.util.Collection;
@@ -33,9 +34,7 @@ public interface MPSite<Q extends MPQuestion> extends Comparable<MPSite<?>> {
     // - Meta
 
     @Nonnull
-    String getName();
-
-    void setName(String name);
+    String getSiteName();
 
     // - Algorithm
 
@@ -59,10 +58,44 @@ public interface MPSite<Q extends MPQuestion> extends Comparable<MPSite<?>> {
 
     void setLoginType(@Nullable MPResultType loginType);
 
-    @Nonnull
+    @Nullable
+    default String getResult()
+            throws MPKeyUnavailableException, MPAlgorithmException {
+        return getResult( MPKeyPurpose.Authentication );
+    }
+
+    @Nullable
+    default String getResult(final MPKeyPurpose keyPurpose)
+            throws MPKeyUnavailableException, MPAlgorithmException {
+        return getResult( keyPurpose, null );
+    }
+
+    @Nullable
+    default String getResult(final MPKeyPurpose keyPurpose, @Nullable final String keyContext)
+            throws MPKeyUnavailableException, MPAlgorithmException {
+        return getResult( keyPurpose, keyContext, null );
+    }
+
+    @Nullable
     String getResult(MPKeyPurpose keyPurpose, @Nullable String keyContext, @Nullable String state)
             throws MPKeyUnavailableException, MPAlgorithmException;
 
+    @Nullable
+    String getResult(MPKeyPurpose keyPurpose, @Nullable String keyContext,
+                     @Nullable UnsignedInteger counter, MPResultType type, @Nullable String state)
+            throws MPKeyUnavailableException, MPAlgorithmException;
+
+    @Nonnull
+    String getState(MPKeyPurpose keyPurpose, @Nullable String keyContext,
+                    @Nullable UnsignedInteger counter, MPResultType type, String state)
+            throws MPKeyUnavailableException, MPAlgorithmException;
+
+    @Nonnull
+    default String getLogin()
+            throws MPKeyUnavailableException, MPAlgorithmException {
+        return getLogin( null );
+    }
+
     @Nonnull
     String getLogin(@Nullable String state)
             throws MPKeyUnavailableException, MPAlgorithmException;
@@ -72,10 +105,17 @@ public interface MPSite<Q extends MPQuestion> extends Comparable<MPSite<?>> {
     @Nonnull
     MPUser<?> getUser();
 
-    void addQuestion(Q question);
+    @Nonnull
+    Q addQuestion(String keyword);
 
-    void deleteQuestion(Q question);
+    @Nonnull
+    Q addQuestion(Q question);
+
+    boolean deleteQuestion(Q question);
 
     @Nonnull
     Collection<Q> getQuestions();
+
+    @Nonnull
+    ImmutableCollection<Q> findQuestions(@Nullable String query);
 }

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/MPUser.java

@@ -18,6 +18,7 @@
 
 package com.lyndir.masterpassword.model;
 
+import com.google.common.collect.ImmutableCollection;
 import com.lyndir.masterpassword.*;
 import java.util.Collection;
 import javax.annotation.Nonnull;
@@ -45,6 +46,11 @@ public interface MPUser<S extends MPSite<?>> extends Comparable<MPUser<?>> {
 
     void setAlgorithm(MPAlgorithm algorithm);
 
+    @Nullable
+    default MPResultType getDefaultType() {
+        return null;
+    }
+
     @Nullable
     byte[] getKeyID();
 
@@ -54,12 +60,11 @@ public interface MPUser<S extends MPSite<?>> extends Comparable<MPUser<?>> {
     /**
      * Performs an authentication attempt against the keyID for this user.
      *
-     * Note: If a keyID is not set, authentication will always succeed and the keyID will be set to match the given master password.
-     *
      * @param masterPassword The password to authenticate with.
-     *                       You cannot re-use this array after passing it in, authentication will destroy its contents.
      *
      * @throws MPIncorrectMasterPasswordException If authentication fails due to the given master password not matching the user's keyID.
+     * @apiNote If a keyID is not set, authentication will always succeed and the keyID will be set to match the given master password.
+     * <b>This method destroys the contents of the {@code masterPassword} array.</b>
      */
     void authenticate(char[] masterPassword)
             throws MPIncorrectMasterPasswordException, MPAlgorithmException;
@@ -67,15 +72,26 @@ public interface MPUser<S extends MPSite<?>> extends Comparable<MPUser<?>> {
     /**
      * Performs an authentication attempt against the keyID for this user.
      *
-     * Note: If a keyID is not set, authentication will always succeed and the keyID will be set to match the given key.
-     *
      * @param masterKey The master key to authenticate with.
      *
      * @throws MPIncorrectMasterPasswordException If authentication fails due to the given master password not matching the user's keyID.
+     * @apiNote If a keyID is not set, authentication will always succeed and the keyID will be set to match the given key.
      */
     void authenticate(MPMasterKey masterKey)
             throws MPIncorrectMasterPasswordException, MPKeyUnavailableException, MPAlgorithmException;
 
+    /**
+     * Clear all authentication tokens and secrets from memory, effectively logging the user out.
+     */
+    void invalidate();
+
+    /**
+     * Wipe the key ID, allowing the user to {@link #authenticate(char[])} with any master password.
+     *
+     * Note: Authenticating with a different master password will cause all of the user's results to change.
+     */
+    void reset();
+
     boolean isMasterKeyAvailable();
 
     @Nonnull
@@ -84,13 +100,30 @@ public interface MPUser<S extends MPSite<?>> extends Comparable<MPUser<?>> {
 
     // - Relations
 
-    void addSite(S site);
+    @Nonnull
+    S addSite(String siteName);
 
-    void deleteSite(S site);
+    @Nonnull
+    S addSite(S site);
+
+    boolean deleteSite(MPSite<?> site);
 
     @Nonnull
     Collection<S> getSites();
 
     @Nonnull
-    Collection<S> findSites(String query);
+    ImmutableCollection<S> findSites(@Nullable String query);
+
+    void addListener(Listener listener);
+
+    void removeListener(Listener listener);
+
+    interface Listener {
+
+        void onUserUpdated(MPUser<?> user);
+
+        void onUserAuthenticated(MPUser<?> user);
+
+        void onUserInvalidated(MPUser<?> user);
+    }
 }

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/MPUserManager.java

@@ -1,53 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Master Password is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.model;
-
-import com.google.common.collect.*;
-import java.util.Collection;
-import java.util.Map;
-
-
-/**
- * @author lhunath, 14-12-05
- */
-public abstract class MPUserManager<U extends MPUser<?>> {
-
-    private final Map<String, U> usersByName = Maps.newHashMap();
-
-    protected MPUserManager(final Iterable<U> users) {
-        for (final U user : users)
-            usersByName.put( user.getFullName(), user );
-    }
-
-    public Collection<U> getUsers() {
-        return ImmutableSortedSet.copyOf( usersByName.values() );
-    }
-
-    public U getUserNamed(final String fullName) {
-        return usersByName.get( fullName );
-    }
-
-    public void addUser(final U user) {
-        usersByName.put( user.getFullName(), user );
-    }
-
-    public void deleteUser(final U user) {
-        usersByName.remove( user.getFullName() );
-    }
-}

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/Changeable.java

@@ -11,42 +11,50 @@ public class Changeable {
 
     private static final ExecutorService changeExecutor = Executors.newSingleThreadExecutor();
 
-    private boolean changed;
-    private boolean batchingChanges;
+    private final Object   mutex    = new Object();
+    private       Grouping grouping = Grouping.APPLY;
+    private       boolean  changed;
 
     void setChanged() {
-        synchronized (changeExecutor) {
+        synchronized (mutex) {
             if (changed)
                 return;
-            changed = true;
 
-            if (batchingChanges)
+            if (grouping != Grouping.IGNORE)
+                changed = true;
+            if (grouping != Grouping.APPLY)
                 return;
-
-            changeExecutor.submit( () -> {
-                synchronized (changeExecutor) {
-                    if (batchingChanges)
-                        return;
-                    changed = false;
-                }
-
-                onChanged();
-            } );
         }
+
+        changeExecutor.submit( () -> {
+            synchronized (changeExecutor) {
+                if (grouping != Grouping.APPLY)
+                    return;
+                changed = false;
+            }
+
+            onChanged();
+        } );
     }
 
     protected void onChanged() {
     }
 
     public void beginChanges() {
-        synchronized (changeExecutor) {
-            batchingChanges = true;
+        synchronized (mutex) {
+            grouping = Grouping.BATCH;
+        }
+    }
+
+    public void ignoreChanges() {
+        synchronized (mutex) {
+            grouping = Grouping.IGNORE;
         }
     }
 
     public boolean endChanges() {
-        synchronized (changeExecutor) {
-            batchingChanges = false;
+        synchronized (mutex) {
+            grouping = Grouping.APPLY;
 
             if (changed) {
                 this.changed = false;
@@ -56,4 +64,8 @@ public class Changeable {
                 return false;
         }
     }
+
+    private enum Grouping {
+        APPLY, BATCH, IGNORE
+    }
 }

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPBasicQuestion.java

@@ -22,6 +22,7 @@ import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
 
 import com.lyndir.masterpassword.*;
 import com.lyndir.masterpassword.model.MPQuestion;
+import com.lyndir.masterpassword.model.MPSite;
 import java.util.Objects;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -33,14 +34,23 @@ import org.jetbrains.annotations.NotNull;
  */
 public abstract class MPBasicQuestion extends Changeable implements MPQuestion {
 
-    private final String       keyword;
-    private       MPResultType type;
+    private final MPSite<?> site;
+    private final String    keyword;
 
-    protected MPBasicQuestion(final String keyword, final MPResultType type) {
+    private MPResultType type;
+
+    protected MPBasicQuestion(final MPSite<?> site, final String keyword, final MPResultType type) {
+        this.site = site;
         this.keyword = keyword;
         this.type = type;
     }
 
+    @Nonnull
+    @Override
+    public MPSite<?> getSite() {
+        return site;
+    }
+
     @Nonnull
     @Override
     public String getKeyword() {
@@ -55,8 +65,10 @@ public abstract class MPBasicQuestion extends Changeable implements MPQuestion {
 
     @Override
     public void setType(final MPResultType type) {
-        this.type = type;
+        if (this.type == type)
+            return;
 
+        this.type = type;
         setChanged();
     }
 
@@ -68,15 +80,12 @@ public abstract class MPBasicQuestion extends Changeable implements MPQuestion {
         return getSite().getResult( MPKeyPurpose.Recovery, getKeyword(), null, getType(), state );
     }
 
-    @Nonnull
-    @Override
-    public abstract MPBasicSite<?> getSite();
-
     @Override
     protected void onChanged() {
         super.onChanged();
 
-        getSite().setChanged();
+        if (site instanceof Changeable)
+            ((Changeable) site).setChanged();
     }
 
     @Override
@@ -86,7 +95,7 @@ public abstract class MPBasicQuestion extends Changeable implements MPQuestion {
 
     @Override
     public boolean equals(final Object obj) {
-        return (this == obj) || ((obj instanceof MPQuestion) && Objects.equals( getKeyword(), ((MPQuestion) obj).getKeyword() ));
+        return this == obj;
     }
 
     @Override

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPBasicSite.java

@@ -21,53 +21,52 @@ package com.lyndir.masterpassword.model.impl;
 import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
 import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
 
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableCollection;
+import com.google.common.collect.ImmutableSortedSet;
 import com.google.common.primitives.UnsignedInteger;
 import com.lyndir.masterpassword.*;
-import com.lyndir.masterpassword.model.MPQuestion;
-import com.lyndir.masterpassword.model.MPSite;
+import com.lyndir.masterpassword.model.*;
 import java.util.*;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
-import org.jetbrains.annotations.NotNull;
 
 
 /**
  * @author lhunath, 14-12-16
  */
-public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable implements MPSite<Q> {
+public abstract class MPBasicSite<U extends MPUser<?>, Q extends MPQuestion> extends Changeable
+        implements MPSite<Q> {
+
+    private final U             user;
+    private final String        siteName;
+    private final Collection<Q> questions = new LinkedHashSet<>();
 
-    private String          name;
     private MPAlgorithm     algorithm;
     private UnsignedInteger counter;
     private MPResultType    resultType;
     private MPResultType    loginType;
 
-    private final Collection<Q> questions = new LinkedHashSet<>();
-
-    protected MPBasicSite(final String name, final MPAlgorithm algorithm) {
-        this( name, algorithm, null, null, null );
+    protected MPBasicSite(final U user, final String siteName) {
+        this( user, siteName, null, null, null, null );
     }
 
-    protected MPBasicSite(final String name, final MPAlgorithm algorithm, @Nullable final UnsignedInteger counter,
+    protected MPBasicSite(final U user, final String siteName,
+                          @Nullable final MPAlgorithm algorithm, @Nullable final UnsignedInteger counter,
                           @Nullable final MPResultType resultType, @Nullable final MPResultType loginType) {
-        this.name = name;
-        this.algorithm = algorithm;
-        this.counter = (counter == null)? algorithm.mpw_default_counter(): counter;
-        this.resultType = (resultType == null)? algorithm.mpw_default_result_type(): resultType;
-        this.loginType = (loginType == null)? algorithm.mpw_default_login_type(): loginType;
+        this.user = user;
+        this.siteName = siteName;
+        this.algorithm = (algorithm != null)? algorithm: this.user.getAlgorithm();
+        this.counter = (counter != null)? counter: this.algorithm.mpw_default_counter();
+        this.resultType = (resultType != null)? resultType:
+                ifNotNullElse( this.user.getDefaultType(), this.algorithm.mpw_default_result_type() );
+        this.loginType = (loginType != null)? loginType: this.algorithm.mpw_default_login_type();
     }
 
     @Nonnull
     @Override
-    public String getName() {
-        return name;
-    }
-
-    @Override
-    public void setName(final String name) {
-        this.name = name;
-
-        setChanged();
+    public String getSiteName() {
+        return siteName;
     }
 
     @Nonnull
@@ -78,8 +77,10 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
 
     @Override
     public void setAlgorithm(final MPAlgorithm algorithm) {
-        this.algorithm = algorithm;
+        if (Objects.equals( this.algorithm, algorithm ))
+            return;
 
+        this.algorithm = algorithm;
         setChanged();
     }
 
@@ -91,8 +92,10 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
 
     @Override
     public void setCounter(final UnsignedInteger counter) {
-        this.counter = counter;
+        if (Objects.equals( this.counter, counter ))
+            return;
 
+        this.counter = counter;
         setChanged();
     }
 
@@ -104,8 +107,10 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
 
     @Override
     public void setResultType(final MPResultType resultType) {
-        this.resultType = resultType;
+        if (this.resultType == resultType)
+            return;
 
+        this.resultType = resultType;
         setChanged();
     }
 
@@ -117,12 +122,14 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
 
     @Override
     public void setLoginType(@Nullable final MPResultType loginType) {
-        this.loginType = ifNotNullElse( loginType, getAlgorithm().mpw_default_login_type() );
+        if (this.loginType == loginType)
+            return;
 
+        this.loginType = ifNotNullElse( loginType, getAlgorithm().mpw_default_login_type() );
         setChanged();
     }
 
-    @Nonnull
+    @Nullable
     @Override
     public String getResult(final MPKeyPurpose keyPurpose, @Nullable final String keyContext, @Nullable final String state)
             throws MPKeyUnavailableException, MPAlgorithmException {
@@ -130,21 +137,25 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
         return getResult( keyPurpose, keyContext, getCounter(), getResultType(), state );
     }
 
-    protected String getResult(final MPKeyPurpose keyPurpose, @Nullable final String keyContext,
-                               @Nullable final UnsignedInteger counter, final MPResultType type, @Nullable final String state)
+    @Nullable
+    @Override
+    public String getResult(final MPKeyPurpose keyPurpose, @Nullable final String keyContext,
+                            @Nullable final UnsignedInteger counter, final MPResultType type, @Nullable final String state)
             throws MPKeyUnavailableException, MPAlgorithmException {
 
         return getUser().getMasterKey().siteResult(
-                getName(), getAlgorithm(), ifNotNullElse( counter, getAlgorithm().mpw_default_counter() ),
+                getSiteName(), getAlgorithm(), ifNotNullElse( counter, getAlgorithm().mpw_default_counter() ),
                 keyPurpose, keyContext, type, state );
     }
 
-    protected String getState(final MPKeyPurpose keyPurpose, @Nullable final String keyContext,
-                              @Nullable final UnsignedInteger counter, final MPResultType type, final String state)
+    @Nonnull
+    @Override
+    public String getState(final MPKeyPurpose keyPurpose, @Nullable final String keyContext,
+                           @Nullable final UnsignedInteger counter, final MPResultType type, final String state)
             throws MPKeyUnavailableException, MPAlgorithmException {
 
         return getUser().getMasterKey().siteState(
-                getName(), getAlgorithm(), ifNotNullElse( counter, getAlgorithm().mpw_default_counter() ),
+                getSiteName(), getAlgorithm(), ifNotNullElse( counter, getAlgorithm().mpw_default_counter() ),
                 keyPurpose, keyContext, type, state );
     }
 
@@ -156,18 +167,22 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
         return getResult( MPKeyPurpose.Identification, null, null, getLoginType(), state );
     }
 
+    @Nonnull
     @Override
-    public void addQuestion(final Q question) {
+    public Q addQuestion(final Q question) {
         questions.add( question );
 
         setChanged();
+        return question;
     }
 
     @Override
-    public void deleteQuestion(final Q question) {
-        questions.remove( question );
+    public boolean deleteQuestion(final Q question) {
+        if (!questions.remove( question ))
+            return false;
 
         setChanged();
+        return true;
     }
 
     @Nonnull
@@ -178,32 +193,46 @@ public abstract class MPBasicSite<Q extends MPQuestion> extends Changeable imple
 
     @Nonnull
     @Override
-    public abstract MPBasicUser<?> getUser();
+    public ImmutableCollection<Q> findQuestions(@Nullable final String query) {
+        ImmutableSortedSet.Builder<Q> results = ImmutableSortedSet.naturalOrder();
+        for (final Q question : getQuestions())
+            if (Strings.isNullOrEmpty( query ) || question.getKeyword().startsWith( query ))
+                results.add( question );
+
+        return results.build();
+    }
+
+    @Nonnull
+    @Override
+    public U getUser() {
+        return user;
+    }
 
     @Override
     protected void onChanged() {
         super.onChanged();
 
-        getUser().setChanged();
+        if (user instanceof Changeable)
+            ((Changeable) user).setChanged();
     }
 
     @Override
     public int hashCode() {
-        return Objects.hashCode( getName() );
+        return Objects.hashCode( getSiteName() );
     }
 
     @Override
     public boolean equals(final Object obj) {
-        return (this == obj) || ((obj instanceof MPSite) && Objects.equals( getName(), ((MPSite<?>) obj).getName() ));
+        return obj == this;
     }
 
     @Override
-    public int compareTo(@NotNull final MPSite<?> o) {
-        return getName().compareTo( o.getName() );
+    public int compareTo(@Nonnull final MPSite<?> o) {
+        return getSiteName().compareTo( o.getSiteName() );
     }
 
     @Override
     public String toString() {
-        return strf( "{%s: %s}", getClass().getSimpleName(), getName() );
+        return strf( "{%s: %s}", getClass().getSimpleName(), getSiteName() );
     }
 }

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPBasicUser.java

@@ -20,13 +20,15 @@ package com.lyndir.masterpassword.model.impl;
 
 import static com.lyndir.lhunath.opal.system.util.StringUtils.*;
 
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableCollection;
 import com.google.common.collect.ImmutableSortedSet;
 import com.lyndir.lhunath.opal.system.CodeUtils;
 import com.lyndir.lhunath.opal.system.logging.Logger;
 import com.lyndir.masterpassword.*;
-import com.lyndir.masterpassword.model.MPIncorrectMasterPasswordException;
-import com.lyndir.masterpassword.model.MPUser;
+import com.lyndir.masterpassword.model.*;
 import java.util.*;
+import java.util.concurrent.CopyOnWriteArraySet;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
@@ -34,9 +36,11 @@ import javax.annotation.Nullable;
 /**
  * @author lhunath, 2014-06-08
  */
-public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable implements MPUser<S> {
+public abstract class MPBasicUser<S extends MPBasicSite<?, ?>> extends Changeable implements MPUser<S> {
 
-    protected final Logger logger = Logger.get( getClass() );
+    private static final Logger logger = Logger.get( MPBasicUser.class );
+
+    private final Set<Listener> listeners = new CopyOnWriteArraySet<>();
 
     private       int         avatar;
     private final String      fullName;
@@ -44,7 +48,7 @@ public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable i
     @Nullable
     protected     MPMasterKey masterKey;
 
-    private final Collection<S> sites = new LinkedHashSet<>();
+    private final Map<String, S> sites = new LinkedHashMap<>();
 
     protected MPBasicUser(final String fullName, final MPAlgorithm algorithm) {
         this( 0, fullName, algorithm );
@@ -63,8 +67,10 @@ public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable i
 
     @Override
     public void setAvatar(final int avatar) {
-        this.avatar = avatar;
+        if (Objects.equals( this.avatar, avatar ))
+            return;
 
+        this.avatar = avatar;
         setChanged();
     }
 
@@ -82,8 +88,10 @@ public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable i
 
     @Override
     public void setAlgorithm(final MPAlgorithm algorithm) {
-        this.algorithm = algorithm;
+        if (Objects.equals( this.algorithm, algorithm ))
+            return;
 
+        this.algorithm = algorithm;
         setChanged();
     }
 
@@ -91,12 +99,14 @@ public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable i
     @Override
     public byte[] getKeyID() {
         try {
-            return getMasterKey().getKeyID( getAlgorithm() );
+            if (isMasterKeyAvailable())
+                return getMasterKey().getKeyID( getAlgorithm() );
         }
         catch (final MPException e) {
             logger.wrn( e, "While deriving key ID for user: %s", this );
-            return null;
         }
+
+        return null;
     }
 
     @Nullable
@@ -128,54 +138,96 @@ public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable i
             throw new MPIncorrectMasterPasswordException( this );
 
         this.masterKey = masterKey;
+
+        for (final Listener listener : listeners)
+            listener.onUserAuthenticated( this );
+    }
+
+    @Override
+    public void invalidate() {
+        if (masterKey == null)
+            return;
+
+        masterKey.invalidate();
+        masterKey = null;
+
+        for (final Listener listener : listeners)
+            listener.onUserInvalidated( this );
+    }
+
+    @Override
+    public void reset() {
+        invalidate();
     }
 
     @Override
     public boolean isMasterKeyAvailable() {
-        return masterKey != null;
+        return (masterKey != null) && masterKey.isValid();
     }
 
     @Nonnull
     @Override
     public MPMasterKey getMasterKey()
             throws MPKeyUnavailableException {
-        if (masterKey == null)
+        if ((masterKey == null) || !masterKey.isValid())
             throw new MPKeyUnavailableException( "Master key was not yet set for: " + this );
 
         return masterKey;
     }
 
+    @Nonnull
     @Override
-    public void addSite(final S site) {
-        sites.add( site );
+    public S addSite(final S site) {
+        sites.put( site.getSiteName(), site );
 
         setChanged();
+        return site;
     }
 
     @Override
-    public void deleteSite(final S site) {
-        sites.remove( site );
+    public boolean deleteSite(final MPSite<?> site) {
+        if (!sites.values().remove( site ))
+            return false;
 
         setChanged();
+        return true;
     }
 
     @Nonnull
     @Override
     public Collection<S> getSites() {
-        return Collections.unmodifiableCollection( sites );
+        return Collections.unmodifiableCollection( sites.values() );
     }
 
     @Nonnull
     @Override
-    public Collection<S> findSites(final String query) {
+    public ImmutableCollection<S> findSites(@Nullable final String query) {
         ImmutableSortedSet.Builder<S> results = ImmutableSortedSet.naturalOrder();
         for (final S site : getSites())
-            if (site.getName().startsWith( query ))
+            if (Strings.isNullOrEmpty( query ) || site.getSiteName().startsWith( query ))
                 results.add( site );
 
         return results.build();
     }
 
+    @Override
+    public void addListener(final Listener listener) {
+        listeners.add( listener );
+    }
+
+    @Override
+    public void removeListener(final Listener listener) {
+        listeners.remove( listener );
+    }
+
+    @Override
+    protected void onChanged() {
+        super.onChanged();
+
+        for (final Listener listener : listeners)
+            listener.onUserUpdated( this );
+    }
+
     @Override
     public int hashCode() {
         return Objects.hashCode( getFullName() );
@@ -183,11 +235,11 @@ public abstract class MPBasicUser<S extends MPBasicSite<?>> extends Changeable i
 
     @Override
     public boolean equals(final Object obj) {
-        return (this == obj) || ((obj instanceof MPUser) && Objects.equals( getFullName(), ((MPUser<?>) obj).getFullName() ));
+        return this == obj;
     }
 
     @Override
-    public int compareTo(final MPUser<?> o) {
+    public int compareTo(@Nonnull final MPUser<?> o) {
         return getFullName().compareTo( o.getFullName() );
     }
 

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPFileQuestion.java

@@ -30,16 +30,13 @@ import javax.annotation.Nullable;
  */
 public class MPFileQuestion extends MPBasicQuestion {
 
-    private final MPFileSite site;
-
     @Nullable
     private String answerState;
 
     public MPFileQuestion(final MPFileSite site, final String keyword,
                           @Nullable final MPResultType type, @Nullable final String answerState) {
-        super( keyword, ifNotNullElse( type, site.getAlgorithm().mpw_default_answer_type() ) );
+        super( site, keyword, ifNotNullElse( type, site.getAlgorithm().mpw_default_answer_type() ) );
 
-        this.site = site;
         this.answerState = answerState;
     }
 
@@ -48,6 +45,8 @@ public class MPFileQuestion extends MPBasicQuestion {
         return answerState;
     }
 
+    @Nonnull
+    @Override
     public String getAnswer()
             throws MPKeyUnavailableException, MPAlgorithmException {
         return getAnswer( answerState );
@@ -66,9 +65,8 @@ public class MPFileQuestion extends MPBasicQuestion {
         setChanged();
     }
 
-    @Nonnull
-    @Override
-    public MPFileSite getSite() {
-        return site;
+    public void use() {
+        if (getSite() instanceof MPFileSite)
+            ((MPFileSite) getSite()).use();
     }
 }

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPFileSite.java

@@ -21,6 +21,7 @@ package com.lyndir.masterpassword.model.impl;
 import com.google.common.primitives.UnsignedInteger;
 import com.lyndir.masterpassword.*;
 import com.lyndir.masterpassword.model.MPSite;
+import java.util.Objects;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import org.joda.time.Instant;
@@ -31,9 +32,7 @@ import org.joda.time.ReadableInstant;
  * @author lhunath, 14-12-05
  */
 @SuppressWarnings("ComparableImplementedButEqualsNotOverridden")
-public class MPFileSite extends MPBasicSite<MPFileQuestion> {
-
-    private final MPFileUser user;
+public class MPFileSite extends MPBasicSite<MPFileUser, MPFileQuestion> {
 
     @Nullable
     private String          url;
@@ -46,14 +45,8 @@ public class MPFileSite extends MPBasicSite<MPFileQuestion> {
     private String loginState;
 
     public MPFileSite(final MPFileUser user, final String name) {
-        this( user, name, null, null, null );
-    }
-
-    public MPFileSite(final MPFileUser user, final String name,
-                      @Nullable final MPAlgorithm algorithm, @Nullable final UnsignedInteger counter,
-                      @Nullable final MPResultType resultType) {
-        this( user, name, algorithm, counter, resultType, null,
-              null, null, null, 0, new Instant() );
+        this( user, name, null, null, null, null, null, null,
+              null, 0, new Instant() );
     }
 
     protected MPFileSite(final MPFileUser user, final String name,
@@ -61,10 +54,8 @@ public class MPFileSite extends MPBasicSite<MPFileQuestion> {
                          @Nullable final MPResultType resultType, @Nullable final String resultState,
                          @Nullable final MPResultType loginType, @Nullable final String loginState,
                          @Nullable final String url, final int uses, final ReadableInstant lastUsed) {
-        super( name, (algorithm == null)? user.getAlgorithm(): algorithm, counter,
-               (resultType == null)? user.getDefaultType(): resultType, loginType );
+        super( user, name, algorithm, counter, resultType, loginType );
 
-        this.user = user;
         this.resultState = resultState;
         this.loginState = loginState;
         this.url = url;
@@ -77,9 +68,13 @@ public class MPFileSite extends MPBasicSite<MPFileQuestion> {
         return url;
     }
 
-    public void setUrl(@Nullable final String url) {
-        this.url = url;
+    public void setUrl(@Nullable String url) {
+        if ((url != null) && url.isEmpty())
+            url = null;
+        if (Objects.equals( this.url, url))
+            return;
 
+        this.url = url;
         setChanged();
     }
 
@@ -94,21 +89,20 @@ public class MPFileSite extends MPBasicSite<MPFileQuestion> {
     public void use() {
         uses++;
         lastUsed = new Instant();
-        user.use();
-    }
-
-    public String getResult()
-            throws MPKeyUnavailableException, MPAlgorithmException {
-
-        return getResult( MPKeyPurpose.Authentication, null );
+        getUser().use();
+        setChanged();
     }
 
+    @Nullable
+    @Override
     public String getResult(final MPKeyPurpose keyPurpose, @Nullable final String keyContext)
             throws MPKeyUnavailableException, MPAlgorithmException {
 
         return getResult( keyPurpose, keyContext, getResultState() );
     }
 
+    @Nonnull
+    @Override
     public String getLogin()
             throws MPKeyUnavailableException, MPAlgorithmException {
 
@@ -153,13 +147,13 @@ public class MPFileSite extends MPBasicSite<MPFileQuestion> {
 
     @Nonnull
     @Override
-    public MPFileUser getUser() {
-        return user;
+    public MPFileQuestion addQuestion(final String keyword) {
+        return addQuestion( new MPFileQuestion( this, keyword, null, null ) );
     }
 
     @Override
-    public int compareTo(final MPSite<?> o) {
-        int comparison = (o instanceof MPFileSite)? -getLastUsed().compareTo( ((MPFileSite) o).getLastUsed() ): 0;
+    public int compareTo(@Nonnull final MPSite<?> o) {
+        int comparison = (o instanceof MPFileSite)? ((MPFileSite) o).getLastUsed().compareTo( getLastUsed() ): 0;
         if (comparison != 0)
             return comparison;
 

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPFileUser.java

@@ -18,9 +18,13 @@
 
 package com.lyndir.masterpassword.model.impl;
 
+import com.lyndir.lhunath.opal.system.logging.Logger;
 import com.lyndir.masterpassword.*;
 import com.lyndir.masterpassword.model.MPIncorrectMasterPasswordException;
 import com.lyndir.masterpassword.model.MPUser;
+import java.io.File;
+import java.io.IOException;
+import java.util.Objects;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import org.joda.time.Instant;
@@ -33,34 +37,46 @@ import org.joda.time.ReadableInstant;
 @SuppressWarnings("ComparableImplementedButEqualsNotOverridden")
 public class MPFileUser extends MPBasicUser<MPFileSite> {
 
+    private static final Logger logger = Logger.get( MPFileUser.class );
+
     @Nullable
     private byte[]                   keyID;
+    private File                     path;
     private MPMarshalFormat          format;
     private MPMarshaller.ContentMode contentMode;
 
     private MPResultType    defaultType;
     private ReadableInstant lastUsed;
+    private boolean         complete;
 
     @Nullable
-    private MPJSONFile json;
+    public static MPFileUser load(final File file)
+            throws IOException, MPMarshalException {
+        for (final MPMarshalFormat format : MPMarshalFormat.values())
+            if (file.getName().endsWith( format.fileSuffix() ))
+                    return format.unmarshaller().readUser( file );
 
-    public MPFileUser(final String fullName) {
-        this( fullName, null, MPAlgorithm.Version.CURRENT.getAlgorithm() );
+        return null;
     }
 
-    public MPFileUser(final String fullName, @Nullable final byte[] keyID, final MPAlgorithm algorithm) {
-        this( fullName, keyID, algorithm, 0, algorithm.mpw_default_result_type(), new Instant(),
-              MPMarshalFormat.DEFAULT, MPMarshaller.ContentMode.PROTECTED );
+    public MPFileUser(final String fullName, final File path) {
+        this( fullName, null, MPAlgorithm.Version.CURRENT.getAlgorithm(), path );
+    }
+
+    public MPFileUser(final String fullName, @Nullable final byte[] keyID, final MPAlgorithm algorithm, final File path) {
+        this( fullName, keyID, algorithm, 0, null, new Instant(),
+              MPMarshaller.ContentMode.PROTECTED, MPMarshalFormat.DEFAULT, path );
     }
 
     public MPFileUser(final String fullName, @Nullable final byte[] keyID, final MPAlgorithm algorithm,
-                      final int avatar, final MPResultType defaultType, final ReadableInstant lastUsed,
-                      final MPMarshalFormat format, final MPMarshaller.ContentMode contentMode) {
+                      final int avatar, @Nullable final MPResultType defaultType, final ReadableInstant lastUsed,
+                      final MPMarshaller.ContentMode contentMode, final MPMarshalFormat format, final File path) {
         super( avatar, fullName, algorithm );
 
-        this.keyID = (keyID == null)? null: keyID.clone();
-        this.defaultType = defaultType;
+        this.keyID = (keyID != null)? keyID.clone(): null;
+        this.defaultType = (defaultType != null)? defaultType: algorithm.mpw_default_result_type();
         this.lastUsed = lastUsed;
+        this.path = path;
         this.format = format;
         this.contentMode = contentMode;
     }
@@ -71,6 +87,10 @@ public class MPFileUser extends MPBasicUser<MPFileSite> {
         return (keyID == null)? null: keyID.clone();
     }
 
+    public void setPath(final File path) {
+        this.path = path;
+    }
+
     @Override
     public void setAlgorithm(final MPAlgorithm algorithm) {
         if (!algorithm.equals( getAlgorithm() ) && (keyID != null)) {
@@ -96,8 +116,10 @@ public class MPFileUser extends MPBasicUser<MPFileSite> {
     }
 
     public void setFormat(final MPMarshalFormat format) {
-        this.format = format;
+        if (Objects.equals( this.format, format ))
+            return;
 
+        this.format = format;
         setChanged();
     }
 
@@ -106,18 +128,23 @@ public class MPFileUser extends MPBasicUser<MPFileSite> {
     }
 
     public void setContentMode(final MPMarshaller.ContentMode contentMode) {
-        this.contentMode = contentMode;
+        if (Objects.equals( this.contentMode, contentMode ))
+            return;
 
+        this.contentMode = contentMode;
         setChanged();
     }
 
+    @Override
     public MPResultType getDefaultType() {
         return defaultType;
     }
 
     public void setDefaultType(final MPResultType defaultType) {
-        this.defaultType = defaultType;
+        if (Objects.equals( this.defaultType, defaultType ))
+            return;
 
+        this.defaultType = defaultType;
         setChanged();
     }
 
@@ -127,17 +154,19 @@ public class MPFileUser extends MPBasicUser<MPFileSite> {
 
     public void use() {
         lastUsed = new Instant();
-
         setChanged();
     }
 
-    public void setJSON(final MPJSONFile json) {
-        this.json = json;
+    protected boolean isComplete() {
+        return complete;
     }
 
-    @Nonnull
-    public MPJSONFile getJSON() {
-        return (json == null)? json = new MPJSONFile(): json;
+    protected void setComplete() {
+        complete = true;
+    }
+
+    public File getFile() {
+        return new File( path, getFullName() + getFormat().fileSuffix() );
     }
 
     @Override
@@ -145,33 +174,55 @@ public class MPFileUser extends MPBasicUser<MPFileSite> {
             throws MPIncorrectMasterPasswordException, MPKeyUnavailableException, MPAlgorithmException {
         super.authenticate( masterKey );
 
+        try {
+            getFormat().unmarshaller().readSites( this );
+        }
+        catch (final IOException | MPMarshalException e) {
+            logger.err( e, "While reading sites on authentication." );
+        }
+
         if (keyID == null) {
             keyID = masterKey.getKeyID( getAlgorithm() );
-
             setChanged();
         }
     }
 
+    public void save() {
+        try {
+            if (isComplete())
+                getFormat().marshaller().marshall( this );
+        }
+        catch (final MPKeyUnavailableException e) {
+            logger.wrn( e, "Cannot write out changes for unauthenticated user: %s.", this );
+        }
+        catch (final IOException | MPMarshalException | MPAlgorithmException e) {
+            logger.err( e, "Unable to write out changes for user: %s", this );
+        }
+    }
+
+    @Override
+    public void reset() {
+        keyID = null;
+
+        super.reset();
+    }
+
+    @Nonnull
+    @Override
+    public MPFileSite addSite(final String siteName) {
+        return addSite( new MPFileSite( this, siteName ) );
+    }
+
     @Override
     protected void onChanged() {
+        save();
+
         super.onChanged();
-
-        try {
-            save();
-        }
-        catch (final MPKeyUnavailableException | MPAlgorithmException e) {
-            logger.wrn( e, "Couldn't save change." );
-        }
-    }
-
-    void save()
-            throws MPKeyUnavailableException, MPAlgorithmException {
-        MPFileUserManager.get().save( this, getMasterKey() );
     }
 
     @Override
-    public int compareTo(final MPUser<?> o) {
-        int comparison = (o instanceof MPFileUser)? -getLastUsed().compareTo( ((MPFileUser) o).getLastUsed() ): 0;
+    public int compareTo(@Nonnull final MPUser<?> o) {
+        int comparison = (o instanceof MPFileUser)? ((MPFileUser) o).getLastUsed().compareTo( getLastUsed() ): 0;
         if (comparison != 0)
             return comparison;
 

platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPFileUserManager.java

@@ -20,16 +20,13 @@ package com.lyndir.masterpassword.model.impl;
 
 import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
 
-import com.google.common.base.Charsets;
-import com.google.common.collect.ImmutableList;
-import com.google.common.io.CharSink;
+import com.google.common.collect.ImmutableSortedSet;
 import com.lyndir.lhunath.opal.system.logging.Logger;
-import com.lyndir.masterpassword.*;
-import com.lyndir.masterpassword.model.*;
-import java.io.*;
-import java.util.HashMap;
-import java.util.Map;
-import javax.annotation.Nonnull;
+import com.lyndir.masterpassword.model.MPModelConstants;
+import java.io.File;
+import java.io.IOException;
+import java.util.*;
+import java.util.concurrent.CopyOnWriteArraySet;
 
 
 /**
@@ -38,21 +35,26 @@ import javax.annotation.Nonnull;
  * @author lhunath, 14-12-07
  */
 @SuppressWarnings("CallToSystemGetenv")
-public class MPFileUserManager extends MPUserManager<MPFileUser> {
+public class MPFileUserManager {
 
     @SuppressWarnings("UnusedDeclaration")
     private static final Logger            logger = Logger.get( MPFileUserManager.class );
     private static final MPFileUserManager instance;
 
     static {
-        String rcDir = System.getenv( MPConstants.env_rcDir );
+        String rcDir = System.getenv( MPModelConstants.env_rcDir );
+
         if (rcDir != null)
             instance = create( new File( rcDir ) );
-        else
-            instance = create( new File( ifNotNullElseNullable( System.getProperty( "user.home" ), System.getenv( "HOME" ) ), ".mpw.d" ) );
+        else {
+            String home = ifNotNullElseNullable( System.getProperty( "user.home" ), System.getenv( "HOME" ) );
+            instance = create( new File( home, ".mpw.d" ) );
+        }
     }
 
-    private final File path;
+    private final Collection<Listener>    listeners  = new CopyOnWriteArraySet<>();
+    private final Map<String, MPFileUser> userByName = new HashMap<>();
+    private final File                    path;
 
     public static MPFileUserManager get() {
         return instance;
@@ -63,86 +65,90 @@ public class MPFileUserManager extends MPUserManager<MPFileUser> {
     }
 
     protected MPFileUserManager(final File path) {
-
-        super( unmarshallUsers( path ) );
         this.path = path;
+        reload();
     }
 
-    private static Iterable<MPFileUser> unmarshallUsers(final File userFilesDirectory) {
-        if (!userFilesDirectory.mkdirs() && !userFilesDirectory.isDirectory()) {
-            logger.err( "Couldn't create directory for user files: %s", userFilesDirectory );
-            return ImmutableList.of();
+    public void reload() {
+        userByName.clear();
+
+        File[] pathFiles;
+        if ((!path.exists() && !path.mkdirs()) || ((pathFiles = path.listFiles()) == null)) {
+            logger.err( "Couldn't create directory for user files: %s", path );
+            return;
         }
 
-        Map<String, MPFileUser> users = new HashMap<>();
-        for (final File userFile : listUserFiles( userFilesDirectory ))
-            for (final MPMarshalFormat format : MPMarshalFormat.values())
-                if (userFile.getName().endsWith( format.fileSuffix() ))
-                    try {
-                        MPFileUser user         = format.unmarshaller().unmarshall( userFile, null );
-                        MPFileUser previousUser = users.put( user.getFullName(), user );
-                        if ((previousUser != null) && (previousUser.getFormat().ordinal() > user.getFormat().ordinal()))
-                            users.put( previousUser.getFullName(), previousUser );
-                    }
-                    catch (final IOException | MPMarshalException e) {
-                        logger.err( e, "Couldn't read user from: %s", userFile );
-                    }
-                    catch (final MPKeyUnavailableException | MPIncorrectMasterPasswordException | MPAlgorithmException e) {
-                        logger.err( e, "Couldn't authenticate user for: %s", userFile );
-                    }
+        for (final File file : pathFiles)
+            try {
+                MPFileUser user = MPFileUser.load( file );
+                if (user != null) {
+                    MPFileUser previousUser = userByName.put( user.getFullName(), user );
+                    if ((previousUser != null) && (previousUser.getFormat().ordinal() > user.getFormat().ordinal()))
+                        userByName.put( previousUser.getFullName(), previousUser );
+                }
+            }
+            catch (final IOException | MPMarshalException e) {
+                logger.err( e, "Couldn't read user from: %s", file );
+            }
 
-        return users.values();
+        fireUpdated();
     }
 
-    private static ImmutableList<File> listUserFiles(final File userFilesDirectory) {
-        return ImmutableList.copyOf( ifNotNullElse( userFilesDirectory.listFiles( (dir, name) -> {
-            for (final MPMarshalFormat format : MPMarshalFormat.values())
-                if (name.endsWith( format.fileSuffix() ))
-                    return true;
-
-            return false;
-        } ), new File[0] ) );
+    public MPFileUser add(final String fullName) {
+        return add( new MPFileUser( fullName, getPath() ) );
     }
 
-    @Override
-    public void deleteUser(final MPFileUser user) {
-        super.deleteUser( user );
+    public MPFileUser add(final MPFileUser user) {
+        user.setPath( getPath() );
+        user.save();
+
+        MPFileUser oldUser = userByName.put( user.getFullName(), user );
+        if (oldUser != null)
+            oldUser.invalidate();
+        fireUpdated();
+
+        return user;
+    }
+
+    public void delete(final MPFileUser user) {
+        user.invalidate();
 
         // Remove deleted users.
-        File userFile = getUserFile( user, user.getFormat() );
+        File userFile = user.getFile();
         if (userFile.exists() && !userFile.delete())
             logger.err( "Couldn't delete file: %s", userFile );
+        else if (userByName.values().remove( user ))
+            fireUpdated();
     }
 
-    /**
-     * Write the current user state to disk.
-     */
-    public void save(final MPFileUser user, final MPMasterKey masterKey)
-            throws MPKeyUnavailableException, MPAlgorithmException {
-        try {
-            MPMarshalFormat format = user.getFormat();
-            new CharSink() {
-                @Override
-                public Writer openStream()
-                        throws IOException {
-                    return new OutputStreamWriter( new FileOutputStream( getUserFile( user, format ) ), Charsets.UTF_8 );
-                }
-            }.write( format.marshaller().marshall( user ) );
-        }
-        catch (final MPMarshalException | IOException e) {
-            logger.err( e, "Unable to save sites for user: %s", user );
-        }
-    }
-
-    @Nonnull
-    private File getUserFile(final MPUser<?> user, final MPMarshalFormat format) {
-        return new File( path, user.getFullName() + format.fileSuffix() );
-    }
-
-    /**
-     * @return The location on the file system where the user models are stored.
-     */
     public File getPath() {
         return path;
     }
+
+    public ImmutableSortedSet<MPFileUser> getFiles() {
+        return ImmutableSortedSet.copyOf( userByName.values() );
+    }
+
+    public void addListener(final Listener listener) {
+        if (listeners.add( listener ))
+            listener.onFilesUpdated( getFiles() );
+    }
+
+    public void removeListener(final Listener listener) {
+        listeners.remove( listener );
+    }
+
+    private void fireUpdated() {
+        if (listeners.isEmpty())
+            return;
+
+        ImmutableSortedSet<MPFileUser> files = getFiles();
+        for (final Listener listener : listeners)
+            listener.onFilesUpdated( files );
+    }
+
+    public interface Listener {
+
+        void onFilesUpdated(ImmutableSortedSet<MPFileUser> files);
+    }
 }