Reimplement forcing message dismissal as in #113

Thanks for the contribution @azrle. I had to reimplement the functionality because of the extensive changes we made meanwhile when working on 1.0

TSMessages/Classes/TSMessage+Private.h

@@ -12,7 +12,6 @@
 
 @interface TSMessage (Private)
 + (NSMutableDictionary *)design;
-- (void)dismissCurrentMessage;
 - (void)dismissMessage:(TSMessageView *)messageView;
 - (void)dismissMessage:(TSMessageView *)messageView completion:(void (^)())completion;
 - (TSMessageView *)currentMessage;

TSMessages/Classes/TSMessage.h

@@ -99,13 +99,22 @@ typedef void (^TSMessageCallback)(TSMessageView *messageView);
 + (void)addCustomDesignFromFileWithName:(NSString *)fileName;
 
 /** Dismisses the current message. If another message is in the queue,
- it will be displayed automatically.
+ it will be displayed automatically after the current one is dismissed.
 
  @return YES if the current message was successfully dismissed.
  NO if there is no current message to be dismissed.
  */
 + (BOOL)dismissCurrentMessage;
 
+/** Dismisses the current message even if it is not fully displayed, yet.
+ If another message is in the queue, it will be displayed automatically
+ after the current one is dismissed.
+ 
+ @return YES if the current message was successfully dismissed.
+ NO if there is no current message to be dismissed.
+ */
++ (BOOL)dismissCurrentMessageForce:(BOOL)force;
+
 /** Indicates whether a message is currently being displayed.
 
  @return YES if a message is currently being displayed.

TSMessages/Classes/TSMessage.m

@@ -108,17 +108,23 @@ + (void)displayOrEnqueueMessage:(TSMessageView *)messageView
     }
 }
 
-+ (BOOL)dismissCurrentMessage
++ (BOOL)dismissCurrentMessageForce:(BOOL)force
 {
-    if (![TSMessage sharedMessage].currentMessage) return NO;
+    TSMessageView *currentMessage = [TSMessage sharedMessage].currentMessage;
 
-    dispatch_async(dispatch_get_main_queue(), ^{
-        [[TSMessage sharedMessage] dismissCurrentMessage];
-    });
+    if (!currentMessage) return NO;
+    if (!currentMessage.isMessageFullyDisplayed && !force) return NO;
+
+    [[TSMessage sharedMessage] dismissCurrentMessage];
 
     return YES;
 }
 
++ (BOOL)dismissCurrentMessage
+{
+    return [self dismissCurrentMessageForce:NO];
+}
+
 + (BOOL)isDisplayingMessage
 {
     return !![TSMessage sharedMessage].currentMessage;

TSMessages/Views/TSMessageView+Private.h

@@ -13,7 +13,7 @@
 @property (nonatomic, readonly) NSString *title;
 @property (nonatomic, readonly) NSString *subtitle;
 @property (nonatomic, readonly) CGPoint centerForDisplay;
-@property (nonatomic, assign, getter = isMessageFullyDisplayed) BOOL messageFullyDisplayed;
+@property (nonatomic, assign, getter=isMessageFullyDisplayed) BOOL messageFullyDisplayed;
 
 - (void)prepareForDisplay;
 @end

TSMessages/Views/TSMessageView.h

@@ -21,9 +21,6 @@
 /** The view controller this message is displayed in */
 @property (nonatomic, weak) UIViewController *viewController;
 
-/** Is the message currenlty fully displayed? Is set as soon as the message is really fully visible */
-@property (nonatomic, readonly) BOOL isMessageFullyDisplayed;
-
 /** The duration of the displayed message. If it is 0.0, it will automatically be calculated */
 @property (nonatomic, assign) CGFloat duration;
 
@@ -52,4 +49,7 @@
 
 /** Displays the message permanently. */
 - (void)displayPermanently;
+
+/** Is the message currently fully displayed? Is set as soon as the message is really fully visible */
+- (BOOL)isMessageFullyDisplayed;
 @end

TSMessages/Views/TSMessageView.m

@@ -25,7 +25,7 @@ @interface TSMessageView () <UIGestureRecognizerDelegate>
 @property (nonatomic) UISwipeGestureRecognizer *swipeRecognizer;
 @property (nonatomic) TSBlurView *backgroundBlurView;
 @property (nonatomic, copy) TSMessageCallback buttonCallback;
-@property (nonatomic, assign, getter = isMessageFullyDisplayed) BOOL messageFullyDisplayed;
+@property (nonatomic, getter=isMessageFullyDisplayed) BOOL messageFullyDisplayed;
 @end
 
 @implementation TSMessageView