support theme songs in the web client

dashboard-ui/scripts/thememediaplayer.js

@@ -0,0 +1,81 @@
+(function (document, $) {
+
+    var currentOwnerId;
+    var currentThemeIds = [];
+
+    function playThemeSongs(items, ownerId) {
+
+        var player = getPlayer();
+
+        if (items.length && player.isDefaultPlayer && player.canAutoPlayAudio()) {
+
+            // Stop if a theme song from another ownerId
+            // Leave it alone if anything else (e.g user playing a movie)
+            if (!currentOwnerId && player.isPlaying()) {
+                return;
+            }
+
+            currentThemeIds = items.map(function (i) {
+                return i.Id;
+            });
+
+            currentOwnerId = ownerId;
+
+            player.play({
+                items: items
+            });
+
+        } else {
+            currentOwnerId = null;
+        }
+    }
+
+    function onPlayItem(item) {
+
+        // User played something manually
+        if (currentThemeIds.indexOf(item.Id) == -1) {
+
+            currentOwnerId = null;
+
+        }
+    }
+
+    function enabled(isEnabled) {
+
+        var userId = Dashboard.getCurrentUserId();
+
+        var key = userId + '-themesongs';
+
+        if (isEnabled != null) {
+
+            var val = isEnabled ? '1' : '0';
+
+            localStorage.setItem(key, val);
+
+            return;
+        }
+        return localStorage.getItem(key);
+    }
+
+    function getPlayer() {
+        return MediaController.getCurrentPlayer();
+    }
+
+    $(document).on('thememediadownload', ".libraryPage", function (e, themeMediaResult) {
+
+        if (!enabled()) {
+            return;
+        }
+
+        var ownerId = themeMediaResult.ThemeSongsResult.OwnerId;
+
+        if (ownerId != currentOwnerId) {
+            playThemeSongs(themeMediaResult.ThemeSongsResult.Items, ownerId);
+        }
+    });
+
+    window.ThemeSongManager = {
+        enabled: enabled
+    };
+
+})(document, jQuery);