calling messageWillDisplay and messageDidDisplay

Author: emawby

iOS_SDK/OneSignalSDK/Source/OSInAppMessageViewController.h

@@ -41,6 +41,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)messageViewControllerWasDismissed;
 - (void)webViewContentFinishedLoading:(OSInAppMessageInternal *)message;
 - (void)messageIsNotActive:(OSInAppMessageInternal *)message;
+- (void)messageWillDisplay:(OSInAppMessageInternal *)message;
 
 @end
 

iOS_SDK/OneSignalSDK/Source/OSInAppMessageViewController.m

@@ -237,7 +237,7 @@ - (OSResultSuccessBlock)messageContentOnSuccess {
         if (self.waitForTags) {
             return;
         }
-        //will display
+        [self.delegate messageWillDisplay:self.message];
         [self.messageView loadedHtmlContent:self.pendingHTMLContent withBaseURL:baseUrl];
         self.pendingHTMLContent = nil;
     };

iOS_SDK/OneSignalSDK/Source/OSMessagingController.m

@@ -735,6 +735,10 @@ - (void)messageIsNotActive:(OSInAppMessageInternal *)message {
     [self deleteInactiveMessage:message];
 }
 
+- (void)messageWillDisplay:(nonnull OSInAppMessageInternal *)message {
+    [self onWillDisplayInAppMessage:message];
+}
+
 /*
 * Show the developer what will happen with a non IAM preview
  */
@@ -836,7 +840,7 @@ - (void)webViewContentFinishedLoading:(OSInAppMessageInternal *)message {
     [self addKeySceneToWindow:self.window];
 
     [self.window makeKeyAndVisible];
-    // Did Display
+    [self onDidDisplayInAppMessage:message];
 }
 
 // Required to display if the app is using a Scene