Add the concept of priorities to TSMessages

ExampleProject/Example/TSDemoViewController.h

@@ -23,5 +23,8 @@
 - (IBAction)didTapBottom:(id)sender;
 - (IBAction)didTapText:(id)sender;
 - (IBAction)didTapCustomDesign:(id)sender;
+- (IBAction)didTapHighPriority:(id)sender;
+- (IBAction)didTapNormalPriority:(id)sender;
+- (IBAction)didTapLowPriority:(id)sender;
 
 @end

ExampleProject/Example/TSDemoViewController.m

@@ -115,6 +115,54 @@ - (IBAction)didTapEndless:(id)sender
                             canBeDismisedByUser:NO];
 }
 
+- (IBAction)didTapLowPriority:(id)sender
+{
+    [TSMessage showNotificationInViewController:self
+                                          title:NSLocalizedString(@"Low priority", nil)
+                                       subtitle:NSLocalizedString(@"This message has a low priority.", nil)
+                                          image:nil
+                                           type:TSMessageNotificationTypeSuccess
+                                       duration:TSMessageNotificationDurationAutomatic
+                                       priority:TSMessageNotificationPriorityLowest
+                                       callback:nil
+                                    buttonTitle:nil
+                                 buttonCallback:nil
+                                     atPosition:TSMessageNotificationPositionTop
+                            canBeDismisedByUser:NO];
+}
+
+- (IBAction)didTapNormalPriority:(id)sender
+{
+    [TSMessage showNotificationInViewController:self
+                                          title:NSLocalizedString(@"Normal priority", nil)
+                                       subtitle:NSLocalizedString(@"This message has a normal priority.", nil)
+                                          image:nil
+                                           type:TSMessageNotificationTypeMessage
+                                       duration:TSMessageNotificationDurationAutomatic
+                                       priority:TSMessageNotificationPriorityNormal
+                                       callback:nil
+                                    buttonTitle:nil
+                                 buttonCallback:nil
+                                     atPosition:TSMessageNotificationPositionTop
+                            canBeDismisedByUser:NO];
+}
+
+- (IBAction)didTapHighPriority:(id)sender
+{
+    [TSMessage showNotificationInViewController:self
+                                          title:NSLocalizedString(@"High priority", nil)
+                                       subtitle:NSLocalizedString(@"This message has a high priority!", nil)
+                                          image:nil
+                                           type:TSMessageNotificationTypeError
+                                       duration:TSMessageNotificationDurationAutomatic
+                                       priority:TSMessageNotificationPriorityHighest
+                                       callback:nil
+                                    buttonTitle:nil
+                                 buttonCallback:nil
+                                     atPosition:TSMessageNotificationPositionTop
+                            canBeDismisedByUser:NO];
+}
+
 - (IBAction)didTapLong:(id)sender
 {
     [TSMessage showNotificationInViewController:self

ExampleProject/Example/en.lproj/MainStoryboard.storyboard

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="4510" systemVersion="12F45" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="udN-k3-MmQ">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="4514" systemVersion="13B42" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="udN-k3-MmQ">
     <dependencies>
         <deployment defaultVersion="1552" identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="3742"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="3747"/>
     </dependencies>
     <scenes>
         <!--Demo View Controller - Second-->
@@ -173,6 +173,33 @@
                                     <action selector="didTapToggleWantsFullscreen:" destination="3" eventType="touchUpInside" id="jec-JG-HXF"/>
                                 </connections>
                             </button>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="hkK-uE-q0X">
+                                <rect key="frame" x="120" y="232" width="80" height="30"/>
+                                <state key="normal" title="Normal">
+                                    <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                </state>
+                                <connections>
+                                    <action selector="didTapNormalPriority:" destination="3" eventType="touchUpInside" id="tLZ-sd-5Di"/>
+                                </connections>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="4g8-aI-qMK">
+                                <rect key="frame" x="20" y="232" width="80" height="30"/>
+                                <state key="normal" title="Low">
+                                    <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                </state>
+                                <connections>
+                                    <action selector="didTapLowPriority:" destination="3" eventType="touchUpInside" id="BpU-eK-Hlu"/>
+                                </connections>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="xZF-nf-Cab">
+                                <rect key="frame" x="220" y="232" width="80" height="30"/>
+                                <state key="normal" title="High">
+                                    <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                                </state>
+                                <connections>
+                                    <action selector="didTapHighPriority:" destination="3" eventType="touchUpInside" id="TTE-HY-aaW"/>
+                                </connections>
+                            </button>
                         </subviews>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                         <constraints>
@@ -182,29 +209,38 @@
                             <constraint firstItem="zLn-b7-lUs" firstAttribute="trailing" secondItem="zxX-aS-md3" secondAttribute="trailing" id="CfO-Gx-ikg"/>
                             <constraint firstAttribute="bottom" secondItem="PD8-pS-pWg" secondAttribute="bottom" constant="15" id="D6I-AW-QTy"/>
                             <constraint firstItem="zLn-b7-lUs" firstAttribute="leading" secondItem="17" secondAttribute="leading" constant="20" symbolic="YES" id="Etn-fc-aPe"/>
+                            <constraint firstItem="xZF-nf-Cab" firstAttribute="trailing" secondItem="Kd4-cj-zFf" secondAttribute="trailing" id="FGB-Ca-9Jj"/>
+                            <constraint firstItem="4g8-aI-qMK" firstAttribute="trailing" secondItem="zxX-aS-md3" secondAttribute="trailing" id="J9f-Zh-MZ0"/>
                             <constraint firstItem="pne-hG-1yy" firstAttribute="baseline" secondItem="zLn-b7-lUs" secondAttribute="baseline" id="KHR-aR-OLj"/>
+                            <constraint firstItem="4g8-aI-qMK" firstAttribute="top" secondItem="zxX-aS-md3" secondAttribute="bottom" constant="16" id="O4x-y5-tk3"/>
                             <constraint firstItem="pne-hG-1yy" firstAttribute="trailing" secondItem="hxl-lo-RFJ" secondAttribute="trailing" id="PXW-Xx-QEH"/>
                             <constraint firstAttribute="bottom" secondItem="36v-bR-L60" secondAttribute="bottom" constant="128" id="PZh-sd-2uW"/>
                             <constraint firstItem="PD8-pS-pWg" firstAttribute="centerX" secondItem="17" secondAttribute="centerX" id="RsU-dq-5f3"/>
                             <constraint firstItem="zxX-aS-md3" firstAttribute="leading" secondItem="17" secondAttribute="leading" constant="20" symbolic="YES" id="Ucv-GT-hEs"/>
                             <constraint firstItem="pne-hG-1yy" firstAttribute="top" secondItem="17" secondAttribute="top" constant="124" id="UiP-5H-OND"/>
                             <constraint firstItem="zxX-aS-md3" firstAttribute="trailing" secondItem="36v-bR-L60" secondAttribute="trailing" id="Vrj-R9-WoE"/>
                             <constraint firstItem="Q12-ec-HEe" firstAttribute="leading" secondItem="dp9-zc-ECU" secondAttribute="leading" id="VzS-Es-Ra6"/>
+                            <constraint firstItem="4g8-aI-qMK" firstAttribute="leading" secondItem="zxX-aS-md3" secondAttribute="leading" id="XeZ-2P-AFd"/>
                             <constraint firstAttribute="bottom" secondItem="l7u-u7-Do8" secondAttribute="bottom" constant="184" id="Zdt-Cn-M6q"/>
                             <constraint firstItem="hxl-lo-RFJ" firstAttribute="leading" secondItem="pne-hG-1yy" secondAttribute="leading" id="aQE-sc-gTU"/>
                             <constraint firstItem="zxX-aS-md3" firstAttribute="baseline" secondItem="hxl-lo-RFJ" secondAttribute="baseline" id="cNg-gf-jwn"/>
                             <constraint firstItem="Kd4-cj-zFf" firstAttribute="baseline" secondItem="hxl-lo-RFJ" secondAttribute="baseline" id="dha-21-YNZ"/>
+                            <constraint firstItem="hkK-uE-q0X" firstAttribute="leading" secondItem="hxl-lo-RFJ" secondAttribute="leading" id="do1-T6-FkV"/>
                             <constraint firstAttribute="trailing" secondItem="cQR-ea-6Bc" secondAttribute="trailing" constant="20" symbolic="YES" id="fPY-TX-rs5"/>
+                            <constraint firstItem="hkK-uE-q0X" firstAttribute="baseline" secondItem="4g8-aI-qMK" secondAttribute="baseline" id="ia4-fW-bk2"/>
                             <constraint firstItem="l7u-u7-Do8" firstAttribute="centerX" secondItem="hxl-lo-RFJ" secondAttribute="centerX" id="l1p-rd-VKU"/>
                             <constraint firstItem="l7u-u7-Do8" firstAttribute="leading" secondItem="PD8-pS-pWg" secondAttribute="leading" id="lLU-hu-0qL"/>
                             <constraint firstItem="cQR-ea-6Bc" firstAttribute="leading" secondItem="Kd4-cj-zFf" secondAttribute="leading" id="lOg-eO-BYd"/>
                             <constraint firstItem="dp9-zc-ECU" firstAttribute="baseline" secondItem="36v-bR-L60" secondAttribute="baseline" id="lkS-Id-nEI"/>
+                            <constraint firstItem="hkK-uE-q0X" firstAttribute="trailing" secondItem="hxl-lo-RFJ" secondAttribute="trailing" id="lpf-aP-UcO"/>
                             <constraint firstItem="l7u-u7-Do8" firstAttribute="trailing" secondItem="PD8-pS-pWg" secondAttribute="trailing" id="p2e-xj-cP6"/>
                             <constraint firstItem="Kd4-cj-zFf" firstAttribute="leading" secondItem="hAh-Ka-NMA" secondAttribute="leading" id="qVC-PO-SIf"/>
                             <constraint firstItem="dp9-zc-ECU" firstAttribute="leading" secondItem="hxl-lo-RFJ" secondAttribute="leading" id="rZg-oe-weV"/>
                             <constraint firstItem="dp9-zc-ECU" firstAttribute="baseline" secondItem="cQR-ea-6Bc" secondAttribute="baseline" id="sE9-hw-MMV"/>
                             <constraint firstItem="PD8-pS-pWg" firstAttribute="top" secondItem="Q12-ec-HEe" secondAttribute="bottom" constant="8" symbolic="YES" id="sQh-6L-4ah"/>
+                            <constraint firstItem="hkK-uE-q0X" firstAttribute="baseline" secondItem="xZF-nf-Cab" secondAttribute="baseline" id="svP-dR-VEu"/>
                             <constraint firstAttribute="trailing" secondItem="hAh-Ka-NMA" secondAttribute="trailing" constant="20" symbolic="YES" id="uDd-FU-Cem"/>
+                            <constraint firstItem="xZF-nf-Cab" firstAttribute="leading" secondItem="Kd4-cj-zFf" secondAttribute="leading" id="wxD-Co-4O8"/>
                             <constraint firstAttribute="trailing" secondItem="Kd4-cj-zFf" secondAttribute="trailing" constant="20" symbolic="YES" id="yIz-b8-SaY"/>
                         </constraints>
                     </view>

TSMessages/Classes/TSMessage.h

@@ -48,6 +48,11 @@ typedef NS_ENUM(NSInteger,TSMessageNotificationDuration) {
     TSMessageNotificationDurationEndless = -1 // The notification is displayed until the user dismissed it or it is dismissed by calling dismissActiveNotification
 };
 
+typedef NS_ENUM(NSInteger, TSMessageNotificationPriority) {
+    TSMessageNotificationPriorityNormal = 0,
+    TSMessageNotificationPriorityHighest = NSIntegerMax,
+    TSMessageNotificationPriorityLowest = NSIntegerMin
+};
 
 @interface TSMessage : NSObject
 
@@ -108,6 +113,32 @@ typedef NS_ENUM(NSInteger,TSMessageNotificationDuration) {
                               atPosition:(TSMessageNotificationPosition)messagePosition
                      canBeDismisedByUser:(BOOL)dismissingEnabled;
 
+/** Shows a notification message in a specific view controller
+ @param viewController The view controller to show the notification in.
+ @param title The title of the notification view
+ @param subtitle The message that is displayed underneath the title (optional)
+ @param image A custom icon image (optional)
+ @param type The notification type (Message, Warning, Error, Success)
+ @param duration The duration of the notification being displayed
+ @param priority The priority of the notification being displayed (higher is more)
+ @param callback The block that should be executed, when the user tapped on the message
+ @param buttonTitle The title for button (optional)
+ @param buttonCallback The block that should be executed, when the user tapped on the button
+ @param messagePosition The position of the message on the screen
+ @param dismissingEnabled Should the message be dismissed when the user taps/swipes it
+ */
++ (void)showNotificationInViewController:(UIViewController *)viewController
+                                   title:(NSString *)title
+                                subtitle:(NSString *)subtitle
+                                   image:(UIImage *)image
+                                    type:(TSMessageNotificationType)type
+                                duration:(NSTimeInterval)duration
+                                priority:(NSInteger)priority
+                                callback:(void (^)())callback
+                             buttonTitle:(NSString *)buttonTitle
+                          buttonCallback:(void (^)())buttonCallback
+                              atPosition:(TSMessageNotificationPosition)messagePosition
+                     canBeDismisedByUser:(BOOL)dismissingEnabled;
 
 /** Fades out the currently displayed notification. If another notification is in the queue,
  the next one will be displayed automatically

TSMessages/Classes/TSMessage.m

@@ -102,6 +102,7 @@ + (void)showNotificationInViewController:(UIViewController *)viewController
                                                       image:image
                                                        type:type
                                                    duration:duration
+                                                   priority:TSMessageNotificationPriorityNormal
                                            inViewController:viewController
                                                    callback:callback
                                                 buttonTitle:buttonTitle
@@ -112,6 +113,35 @@ + (void)showNotificationInViewController:(UIViewController *)viewController
 }
 
 
++ (void)showNotificationInViewController:(UIViewController *)viewController
+                                   title:(NSString *)title
+                                subtitle:(NSString *)subtitle
+                                   image:(UIImage *)image
+                                    type:(TSMessageNotificationType)type
+                                duration:(NSTimeInterval)duration
+                                priority:(NSInteger)priority
+                                callback:(void (^)())callback
+                             buttonTitle:(NSString *)buttonTitle
+                          buttonCallback:(void (^)())buttonCallback
+                              atPosition:(TSMessageNotificationPosition)messagePosition
+                     canBeDismisedByUser:(BOOL)dismissingEnabled
+{
+    // Create the TSMessageView
+    TSMessageView *v = [[TSMessageView alloc] initWithTitle:title
+                                                   subtitle:subtitle
+                                                      image:image
+                                                       type:type
+                                                   duration:duration
+                                                   priority:priority
+                                           inViewController:viewController
+                                                   callback:callback
+                                                buttonTitle:buttonTitle
+                                             buttonCallback:buttonCallback
+                                                 atPosition:messagePosition
+                                          shouldBeDismissed:dismissingEnabled];
+    [self prepareNotificationToBeShown:v];
+}
+
 + (void)prepareNotificationToBeShown:(TSMessageView *)messageView
 {
     NSString *title = messageView.title;
@@ -121,6 +151,10 @@ + (void)prepareNotificationToBeShown:(TSMessageView *)messageView
     {
         if (([n.title isEqualToString:title] || (!n.title && !title)) && ([n.subtitle isEqualToString:subtitle] || (!n.subtitle && !subtitle)))
         {
+            if (n.priority < messageView.priority)
+            {
+                n.priority = messageView.priority; //new priority is higher, so raise the priority.
+            }
             return; // avoid showing the same messages twice in a row
         }
     }
@@ -133,6 +167,21 @@ + (void)prepareNotificationToBeShown:(TSMessageView *)messageView
     }
 }
 
++(void)sortMessagesOnPriority: (NSMutableArray*) messages
+{
+    [[TSMessage sharedMessage].messages sortUsingComparator:^NSComparisonResult(TSMessageView* obj1, TSMessageView* obj2) {
+        if ( obj1.priority < obj2.priority )
+        {
+            return NSOrderedDescending;
+        }
+        else if ( obj1.priority > obj2.priority )
+        {
+            return NSOrderedAscending;
+        }
+        return NSOrderedSame;
+    }];
+}
+
 
 #pragma mark Fading in/out the message view
 
@@ -149,6 +198,8 @@ - (void)fadeInCurrentNotification
 {
     if ([self.messages count] == 0) return;
 
+    [TSMessage sortMessagesOnPriority:[TSMessage sharedMessage].messages];
+
     notificationActive = YES;
 
     TSMessageView *currentView = [self.messages objectAtIndex:0];
@@ -294,7 +345,7 @@ - (void)fadeOutNotification:(TSMessageView *)currentView
 
          if ([self.messages count] > 0)
          {
-             [self.messages removeObjectAtIndex:0];
+             [self.messages removeObject:currentView];
          }
 
          notificationActive = NO;