[fix][mediacontroller] add callIfPossible to listeners

This commit adds callIfPossible functions to listeners to
avoid calling not set callbacks.

Change-Id: I91b36177eac0286d644fd298d9ad253e3586badb
Signed-off-by: Dawid Juszczak <d.juszczak@samsung.com>

diff --git a/src/mediacontroller/mediacontroller_api.js b/src/mediacontroller/mediacontroller_api.js
index aef8c56..f682337 100755 (executable)
--- a/src/mediacontroller/mediacontroller_api.js
+++ b/src/mediacontroller/mediacontroller_api.js
@@ -198,7 +198,7 @@ var ServerInfoStatusListener = new ListenerManager(
     native_,
     '_ServerInfoStatusListener',
     function(msg, listener) {
-        listener(msg.state);
+        native_.callIfPossible(listener, msg.state);
     }
 );
 
@@ -207,23 +207,23 @@ var ServerInfoPlaybackInfoListener = new ListenerManager(
     '_ServerInfoPlaybackInfoListener',
     function(msg, listener) {
         if (msg.action === 'onplaybackchanged') {
-            listener[msg.action](msg.state, msg.position);
+            native_.callIfPossible(listener[msg.action], msg.state, msg.position);
         }
         if (msg.action === 'onshufflemodechanged') {
-            listener[msg.action](msg.mode);
+            native_.callIfPossible(listener[msg.action], msg.mode);
         }
         if (msg.action === 'onrepeatmodechanged') {
             utils_.printDeprecationWarningFor(
                 'onrepeatmodechanged',
                 'onrepeatstatechanged'
             );
-            listener[msg.action](msg.mode);
+            native_.callIfPossible(listener[msg.action], msg.mode);
         }
         if (msg.action === 'onrepeatstatechanged') {
-            listener[msg.action](msg.state);
+            native_.callIfPossible(listener[msg.action], msg.state);
         }
         if (msg.action === 'onmetadatachanged') {
-            listener[msg.action](new MediaControllerMetadata(msg.metadata));
+            native_.callIfPossible(listener[msg.action], new MediaControllerMetadata(msg.metadata));
         }
     }
 );
@@ -233,10 +233,10 @@ var ServerInfoPlaylistUpdatedListener = new ListenerManager(
     '_ServerInfoPlaylistUpdatedListener',
     function(msg, listener) {
         if (msg.action === 'onplaylistupdated') {
-            listener[msg.action](msg.serverName, new MediaControllerPlaylist(msg));
+            native_.callIfPossible(listener[msg.action], msg.serverName, new MediaControllerPlaylist(msg));
         }
         if (msg.action === 'onplaylistdeleted') {
-            listener[msg.action](msg.serverName, msg.name);
+            native_.callIfPossible(listener[msg.action], msg.serverName, msg.name);
         }
     }
 );