DelayingGestureRecognizer Class Reference

Inheritance diagram for DelayingGestureRecognizer:

Instance Methods
(instancetype)	- initWithTarget:action:forwardingRecognizer:
(BOOL)	- gestureRecognizer:shouldBeRequiredToFailByGestureRecognizer: [implementation]
(BOOL)	- gestureRecognizer:shouldRequireFailureOfGestureRecognizer: [implementation]
(void)	- touchesBegan:withEvent: [implementation]
(void)	- touchesEnded:withEvent: [implementation]
(void)	- touchesCancelled:withEvent: [implementation]

Properties
bool	shouldEndInNextTouchesEnded
bool	touchedEndedWithoutBlocking

Detailed Description

Definition at line 949 of file FlutterPlatformViews.mm.

Method Documentation

gestureRecognizer:shouldBeRequiredToFailByGestureRecognizer:

- (BOOL) gestureRecognizer: (UIGestureRecognizer*)  gestureRecognizer shouldBeRequiredToFailByGestureRecognizer: (UIGestureRecognizer*)  otherGestureRecognizer

implementation

Definition at line 987 of file FlutterPlatformViews.mm.

                         :(UIGestureRecognizer*)gestureRecognizer
    shouldBeRequiredToFailByGestureRecognizer:(UIGestureRecognizer*)otherGestureRecognizer {
  // The forwarding gesture recognizer should always get all touch events, so it should not be
  // required to fail by any other gesture recognizer.
  return otherGestureRecognizer != _forwardingRecognizer.get() && otherGestureRecognizer != self;
}

gestureRecognizer:shouldRequireFailureOfGestureRecognizer:

- (BOOL) gestureRecognizer: (UIGestureRecognizer*)  gestureRecognizer shouldRequireFailureOfGestureRecognizer: (UIGestureRecognizer*)  otherGestureRecognizer

implementation

Definition at line 987 of file FlutterPlatformViews.mm.

                         :(UIGestureRecognizer*)gestureRecognizer
    shouldRequireFailureOfGestureRecognizer:(UIGestureRecognizer*)otherGestureRecognizer {
  return otherGestureRecognizer == self;
}

initWithTarget:action:forwardingRecognizer:

- (instancetype) initWithTarget:		(id)	target
action:		(SEL)	action
forwardingRecognizer:		(UIGestureRecognizer*)	forwardingRecognizer

Initial value:

{
  fml::scoped_nsobject<UIGestureRecognizer> _forwardingRecognizer

Definition at line 987 of file FlutterPlatformViews.mm.

                              :(id)target
                        action:(SEL)action
          forwardingRecognizer:(UIGestureRecognizer*)forwardingRecognizer {
  self = [super initWithTarget:target action:action];
  if (self) {
    self.delaysTouchesBegan = YES;
    self.delaysTouchesEnded = YES;
    self.delegate = self;
    self.shouldEndInNextTouchesEnded = NO;
    self.touchedEndedWithoutBlocking = NO;
    _forwardingRecognizer.reset([forwardingRecognizer retain]);
  }
  return self;
}

touchesBegan:withEvent:

- (void) touchesBegan: (NSSet<UITouch*>*)  touches withEvent: (UIEvent*)  event

implementation

Definition at line 987 of file FlutterPlatformViews.mm.

                    :(NSSet<UITouch*>*)touches withEvent:(UIEvent*)event {
  self.touchedEndedWithoutBlocking = NO;
  [super touchesBegan:touches withEvent:event];
}

touchesCancelled:withEvent:

- (void) touchesCancelled: (NSSet*)  touches withEvent: (UIEvent*)  event

implementation

Definition at line 987 of file FlutterPlatformViews.mm.

                        :(NSSet*)touches withEvent:(UIEvent*)event {
  self.state = UIGestureRecognizerStateFailed;
}

touchesEnded:withEvent:

- (void) touchesEnded: (NSSet<UITouch*>*)  touches withEvent: (UIEvent*)  event

implementation

Definition at line 987 of file FlutterPlatformViews.mm.

                    :(NSSet<UITouch*>*)touches withEvent:(UIEvent*)event {
  if (self.shouldEndInNextTouchesEnded) {
    self.state = UIGestureRecognizerStateEnded;
    self.shouldEndInNextTouchesEnded = NO;
  } else {
    self.touchedEndedWithoutBlocking = YES;
  }
  [super touchesEnded:touches withEvent:event];
}

Property Documentation

shouldEndInNextTouchesEnded

- (bool) shouldEndInNextTouchesEnded

readwritenonatomicassign

Definition at line 953 of file FlutterPlatformViews.mm.

touchedEndedWithoutBlocking

- (bool) touchedEndedWithoutBlocking

readwritenonatomicassign

Definition at line 957 of file FlutterPlatformViews.mm.

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The documentation for this class was generated from the following file:

• shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm