ADD: support for swiping outside image frame to dismiss

SampleProject/URBMediaFocusViewControllerDemo/DemoViewController.m

@@ -43,6 +43,7 @@ - (void)viewDidLoad {
 	//self.mediaFocusController.parallaxEnabled = NO;	// uncomment if you don't want the parallax (push-back) effect
 	//self.mediaFocusController.shouldDismissOnTap = NO; // uncomment if you wish to disable dismissing the view on a single tap outside image bounds
 	//self.mediaFocusController.shouldDismissOnImageTap = YES;	// uncomment if you wish to support dismissing view on a single tap on the image itself
+	//self.mediaFocusController.allowSwipeOnBackgroundView = NO;
 
 	self.thumbnailView = [self thumbnailViewWithOrigin:CGPointMake(20.0, 20.0)];
 	self.thumbnailView.image = [UIImage imageNamed:@"seattle01.jpg"];

URBMediaFocusViewController.h

@@ -56,6 +56,9 @@
 // determines whether or not view should be dismissed when the container view is tapped within bounds of image view
 @property (nonatomic, assign) BOOL shouldDismissOnImageTap;
 
+// determines whether or not swiping to dismiss is allowed outside of the image bounds instead of just within the image frame
+@property (nonatomic, assign) BOOL allowSwipeOnBackgroundView;
+
 // determines if photo action sheet should appear with a long press on the photo (default NO)
 @property (nonatomic, assign) BOOL shouldShowPhotoActions;
 

URBMediaFocusViewController.m

@@ -93,6 +93,7 @@ - (id)init {
 		self.shouldDismissOnImageTap = NO;
 		self.shouldShowPhotoActions = NO;
 		self.shouldRotateToDeviceOrientation = YES;
+		self.allowSwipeOnBackgroundView = YES;
 	}
 	return self;
 }
@@ -164,7 +165,13 @@ - (void)setup {
 		// pan gesture to handle the physics
 		self.panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePanGesture:)];
 		self.panRecognizer.delegate = self;
-		[self.imageView addGestureRecognizer:self.panRecognizer];
+
+		if (self.allowSwipeOnBackgroundView) {
+			[self.containerView addGestureRecognizer:self.panRecognizer];
+		}
+		else {
+			[self.imageView addGestureRecognizer:self.panRecognizer];
+		}
 
 		/* UIDynamics stuff */
 		self.animator = [[UIDynamicAnimator alloc] initWithReferenceView:self.view];