add tap cancel block

JMWhenTapped/UIView+WhenTappedBlocks.h

@@ -18,6 +18,7 @@ typedef void (^JMWhenTappedBlock)();
 - (void)whenTwoFingerTapped:(JMWhenTappedBlock)block;
 - (void)whenTouchedDown:(JMWhenTappedBlock)block;
 - (void)whenTouchedUp:(JMWhenTappedBlock)block;
+- (void)whenTapCanceled:(JMWhenTappedBlock)block;
 
 @end
 

JMWhenTapped/UIView+WhenTappedBlocks.m

@@ -28,6 +28,7 @@ @implementation UIView (JMWhenTappedBlocks)
 static char kWhenTwoFingerTappedBlockKey;
 static char kWhenTouchedDownBlockKey;
 static char kWhenTouchedUpBlockKey;
+static char kWhenTapCanceledKey;
 
 #pragma mark -
 #pragma mark Set blocks
@@ -73,6 +74,10 @@ - (void)whenTouchedUp:(JMWhenTappedBlock)block {
     [self setBlock:block forKey:&kWhenTouchedUpBlockKey];
 }
 
+- (void)whenTapCanceled:(JMWhenTappedBlock)block {
+	[self setBlock:block forKey:&kWhenTapCanceledKey];
+}
+
 #pragma mark -
 #pragma mark Callbacks
 
@@ -93,6 +98,11 @@ - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
     [self runBlockForKey:&kWhenTouchedDownBlockKey];
 }
 
+- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
+	[super touchesCancelled:touches withEvent:event];
+	[self runBlockForKey:&kWhenTapCanceledKey];
+}
+
 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
     [super touchesEnded:touches withEvent:event];
     [self runBlockForKey:&kWhenTouchedUpBlockKey];

JMWhenTappedDemo/JMWhenTappedDemo/DemoViewController.m

@@ -77,6 +77,10 @@ - (void) loadView {
                                           otherButtonTitles:nil];
 		[a show];
 	}];
+
+	[self.view2 whenTapCanceled:^{
+		NSLog(@" tap canceled ");
+	}];
 
 }