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fixing major navigation operation defect.

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dispatch after instead of nstimer
This commit is contained in:
Pfeil, Scott Robert 2018-05-08 11:26:32 -04:00
parent d91e8a8365
commit 56c8a961eb
2 changed files with 16 additions and 36 deletions
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44
MVMCore/MVMCore/AlertHandling/MVMCoreTopAlertOperation.m
View File

@ -16,22 +16,16 @@
__block BOOL _paused;
__block BOOL _displayed;
__block BOOL _animating;
__block NSTimer *_dismissTimer;
}
@property (readwrite, getter=isPaused) BOOL paused;
@property (readwrite, getter=isDisplayed) BOOL displayed;
@property (readwrite, getter=isAnimating) BOOL animating;
@property (strong, nonatomic) NSTimer *dismissTimer;
// For thread safety
@property (strong, nonatomic) dispatch_queue_t pausedQueue;
@property (strong, nonatomic) dispatch_queue_t displayedQueue;
@property (strong, nonatomic) dispatch_queue_t animatingQueue;
@property (strong, nonatomic) dispatch_queue_t timerQueue;
@end
@ -44,7 +38,6 @@
self.pausedQueue = dispatch_queue_create("paused", DISPATCH_QUEUE_CONCURRENT);
self.displayedQueue = dispatch_queue_create("displayed", DISPATCH_QUEUE_CONCURRENT);
self.animatingQueue = dispatch_queue_create("animating", DISPATCH_QUEUE_CONCURRENT);
self.timerQueue = dispatch_queue_create("timer", DISPATCH_QUEUE_CONCURRENT);
}
return self;
}
@ -102,20 +95,6 @@
});
}
- (NSTimer *)dismissTimer {
__block NSTimer *timer;
dispatch_sync(self.timerQueue, ^{
timer = _dismissTimer;
});
return timer;
}
- (void)setDismissTimer:(NSTimer *)dismissTimer {
dispatch_barrier_async(self.timerQueue, ^{
_dismissTimer = dismissTimer;
});
}
- (void)main {
// Always check for cancellation before launching the task.
@ -156,7 +135,14 @@
} else {
dismissTime = TopAlertDismissTime;
}
self.dismissTimer = [NSTimer scheduledTimerWithTimeInterval:dismissTime target:self selector:@selector(timerFinished) userInfo:nil repeats:NO];
__weak typeof(self) weakSelf = self;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(dismissTime * NSEC_PER_SEC)), dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
if (weakSelf.isFinished || [weakSelf checkAndHandleForCancellation]) {
return;
}
[weakSelf dismissAlertView:YES];
});
}
}];
}
@ -166,19 +152,9 @@
}
}
- (void)timerFinished {
[self dismissAlertView:YES];
}
- (void)cancel {
[super cancel];
// Kill the dismiss timer.
if (self.dismissTimer) {
[self.dismissTimer invalidate];
self.dismissTimer = nil;
}
// Do nothing if animating.
if (!self.isAnimating) {
@ -191,9 +167,7 @@
}
- (void)dismissAlertView:(BOOL)andFinish {
self.dismissTimer = nil;
if (self.isDisplayed && !self.isAnimating) {
// Dismisses.

8
MVMCore/MVMCore/PresentationHandling/MVMCoreNavigationOperation.m
View File

@ -134,6 +134,8 @@
{
if (self.navigationObject.navigationController.viewControllers.count > 1) {
[self.navigationObject.navigationController popViewControllerAnimated:self.navigationObject.animated];
} else {
[self markAsFinished];
}
}
break;
@ -182,7 +184,11 @@
break;
case NavigationTypePopToRoot:
{
[self.navigationObject.navigationController popToRootViewControllerAnimated:self.navigationObject.animated];
if (self.navigationObject.navigationController.viewControllers.count > 1) {
[self.navigationObject.navigationController popToRootViewControllerAnimated:self.navigationObject.animated];
} else {
[self markAsFinished];
}
}
break;
default: