Add more WebSocket API actions

src/player.js

@@ -388,11 +388,24 @@ class ClapperPlayer extends GstClapper.Clapper
             case 'pause':
                 this[action]();
                 break;
+            case 'seek':
             case 'set_playlist':
             case 'append_playlist':
             case 'set_subtitles':
                 this[action](value);
                 break;
+            case 'change_playlist_item':
+                this.playlistWidget.changeActiveRow(value);
+                break;
+            case 'toggle_fullscreen':
+            case 'volume_up':
+            case 'volume_down':
+            case 'next_track':
+            case 'prev_track':
+            case 'next_chapter':
+            case 'prev_chapter':
+                this.widget.activate_action(`app.${action}`, null);
+                break;
             case 'toggle_maximized':
                 action = 'toggle-maximized';
             case 'minimize':
@@ -400,16 +413,7 @@ class ClapperPlayer extends GstClapper.Clapper
                 this.widget.activate_action(`window.${action}`, null);
                 break;
             default:
-                const clapperWidget = this.widget.get_ancestor(Gtk.Grid);
+                warn(`unhandled WebSocket action: ${action}`);
-
-                switch(action) {
-                    case 'toggle_fullscreen':
-                        clapperWidget.toggleFullscreen();
-                        break;
-                    default:
-                        debug(`unhandled WebSocket action: ${action}`);
-                        break;
-                }
                 break;
         }
     }

src/playlist.js

@@ -91,6 +91,17 @@ class ClapperPlaylistWidget extends Gtk.ListBox
         button.icon_name = 'list-remove-symbolic';
     }
 
+    changeActiveRow(rowId)
+    {
+        const row = this.get_row_at_index(rowId);
+        if(!row)
+            return false;
+
+        row.activate();
+
+        return true;
+    }
+
     changeRepeatMode(mode)
     {
         const lastMode = Object.keys(RepeatMode).length - 1;
@@ -117,18 +128,7 @@ class ClapperPlaylistWidget extends Gtk.ListBox
             ? this.activeRowId - 1
             : this.activeRowId + 1;
 
-        return this._changeActiveRow(rowId);
+        return this.changeActiveRow(rowId);
-    }
-
-    _changeActiveRow(rowId)
-    {
-        const row = this.get_row_at_index(rowId);
-        if(!row)
-            return false;
-
-        row.activate();
-
-        return true;
     }
 
     _onRowActivated(listBox, row)
@@ -165,7 +165,7 @@ class ClapperPlaylistWidget extends Gtk.ListBox
             return true;
 
         if(this.repeatMode === RepeatMode.PLAYLIST)
-            return this._changeActiveRow(0);
+            return this.changeActiveRow(0);
 
         return false;
     }