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Code Releases Activity

Some improvement to observing user changes.

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This commit is contained in:
Maarten Billemont
2017-04-29 15:01:24 -04:00
parent ea5be8efcb
commit fcaa5d1d8c
4 changed files with 78 additions and 57 deletions
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84
platform-darwin/Source/iOS/MPUsersViewController.m
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@@ -58,6 +58,7 @@ typedef NS_ENUM( NSUInteger, MPActiveUserState ) {
@implementation MPUsersViewController {
NSString *_masterPasswordChoice;
NSOperationQueue *_afterUpdates;
__weak id _contextChangedObserver;
}
- (void)viewDidLoad {
@@ -90,15 +91,6 @@ typedef NS_ENUM( NSUInteger, MPActiveUserState ) {
self.userSelectionContainer.visible = NO;
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
PearlRemoveNotificationObservers();
[self.marqueeTipTimer invalidate];
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
@@ -130,6 +122,15 @@ typedef NS_ENUM( NSUInteger, MPActiveUserState ) {
((MPWebViewController *)segue.destinationViewController).initialURL = [NSURL URLWithString:@"http://thanks.lhunath.com"];
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[self removeObservers];
[self.marqueeTipTimer invalidate];
}
#pragma mark - UITextFieldDelegate
- (void)textFieldDidEndEditing:(UITextField *)textField {
@@ -465,25 +466,23 @@ referenceSizeForFooterInSection:(NSInteger)section {
- (void)deleteUser:(NSManagedObjectID *)userID {
[MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPUserEntity
*user_ = [MPUserEntity existingObjectWithID:userID inContext:context];
if (!user_)
MPUserEntity *user = [MPUserEntity existingObjectWithID:userID inContext:context];
if (!user)
return;
[context deleteObject:user_];
[context deleteObject:user];
[context saveToStore];
[self reloadUsers]; // I do NOT understand why our ObjectsDidChangeNotification isn't firing on saveToStore.
}];
}
- (void)resetUser:(NSManagedObjectID *)userID avatar:(MPAvatarCell *)avatarCell {
[MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPUserEntity *user_ = [MPUserEntity existingObjectWithID:userID inContext:context];
if (!user_)
MPUserEntity *user = [MPUserEntity existingObjectWithID:userID inContext:context];
if (!user)
return;
[[MPiOSAppDelegate get] changeMasterPasswordFor:user_ saveInContext:context didResetBlock:^{
[[MPiOSAppDelegate get] changeMasterPasswordFor:user saveInContext:context didResetBlock:^{
PearlMainQueue( ^{
NSIndexPath *avatarIndexPath = [self.avatarCollectionView indexPathForCell:avatarCell];
[self.avatarCollectionView selectItemAtIndexPath:avatarIndexPath animated:NO
@@ -645,15 +644,21 @@ referenceSizeForFooterInSection:(NSInteger)section {
}];
}
- (void)registerObservers {
- (void)removeObservers {
[self removeKeyPathObservers];
PearlRemoveNotificationObservers();
[[NSNotificationCenter defaultCenter] removeObserver:_contextChangedObserver];
}
- (void)registerObservers {
[self removeObservers];
[self observeKeyPath:@"avatarCollectionView.contentOffset" withBlock:
^(id from, id to, NSKeyValueChange cause, MPUsersViewController *_self) {
[_self updateAvatarVisibility];
}];
PearlRemoveNotificationObservers();
PearlAddNotificationObserver( UIApplicationDidEnterBackgroundNotification, nil, [NSOperationQueue mainQueue],
^(MPUsersViewController *self, NSNotification *note) {
self.userSelectionContainer.visible = NO;
@@ -675,36 +680,31 @@ referenceSizeForFooterInSection:(NSInteger)section {
[self.keyboardHeightConstraint updateConstant:keyboardHeight];
} );
NSManagedObjectContext *mainContext = [MPiOSAppDelegate managedObjectContextForMainThreadIfReady];
[UIView animateWithDuration:0.3f animations:^{
self.avatarCollectionView.visible = mainContext != nil;
}];
if (mainContext && self.storeLoadingActivity.isAnimating)
[self.storeLoadingActivity stopAnimating];
if (!mainContext && !self.storeLoadingActivity.isAnimating)
[self.storeLoadingActivity startAnimating];
if ((_contextChangedObserver = [MPiOSAppDelegate managedObjectContextChanged:^(NSDictionary<NSManagedObjectID *, NSString *> *affectedObjects) {
if ([[[affectedObjects allKeys] filteredArrayUsingPredicate:
[NSPredicate predicateWithBlock:^BOOL(NSManagedObjectID *objectID, NSDictionary *bindings) {
return [objectID.entity.name isEqualToString:NSStringFromClass( [MPUserEntity class] )];
}]] count])
[self reloadUsers];
}]))
[UIView animateWithDuration:0.3f animations:^{
self.avatarCollectionView.visible = YES;
[self.storeLoadingActivity stopAnimating];
}];
else
[UIView animateWithDuration:0.3f animations:^{
self.avatarCollectionView.visible = NO;
[self.storeLoadingActivity startAnimating];
}];
if (mainContext)
PearlAddNotificationObserver( NSManagedObjectContextObjectsDidChangeNotification, mainContext, nil,
^(MPUsersViewController *self, NSNotification *note) {
NSSet *insertedObjects = note.userInfo[NSInsertedObjectsKey];
NSSet *deletedObjects = note.userInfo[NSDeletedObjectsKey];
if ([[NSSetUnion( insertedObjects, deletedObjects )
filteredSetUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(id evaluatedObject, NSDictionary *bindings) {
return [evaluatedObject isKindOfClass:[MPUserEntity class]];
}]] count])
[self reloadUsers];
} );
PearlAddNotificationObserver( NSPersistentStoreCoordinatorStoresWillChangeNotification, [MPiOSAppDelegate get].storeCoordinator, nil,
^(MPUsersViewController *self, NSNotification *note) {
self.userIDs = nil;
} );
PearlAddNotificationObserver( NSPersistentStoreCoordinatorStoresDidChangeNotification, [MPiOSAppDelegate get].storeCoordinator, nil,
^(MPUsersViewController *self, NSNotification *note) {
PearlMainQueue( ^{
[self registerObservers];
[self reloadUsers];
} );
[self registerObservers];
[self reloadUsers];
} );
}