feat: handle onPresetChange in plugins

flow-typed/interfaces/plugin.js

@@ -4,5 +4,6 @@ declare interface IPlugin {
   updateConfig(update: Object): void;
   loadMedia(): void;
   destroy(): void;
-  reset(): void;
+  reset(): void
+  onPresetChange(oldPreset: string, newPreset: string): void;
 }

src/common/plugins/base-plugin.js

@@ -124,6 +124,15 @@ export class BasePlugin implements IPlugin {
    */
   loadMedia(): void {}
 
+  /**
+   * Runs the onPresetChange logic of the plugin.
+   * plugin must implement this method.
+   * @public
+   * @virtual
+   * @returns {void}
+   */
+  onPresetChange(): void {}
+
   /**
    * Runs the destroy logic of the plugin.
    * plugin must implement this method.

src/common/plugins/plugin-manager.js

@@ -118,6 +118,17 @@ export class PluginManager {
     Object.keys(this._plugins).forEach(k => this._plugins[k].loadMedia());
   }
 
+  /**
+   * Iterates over all the plugins and calls onPresetChange().
+   * @param {string} oldPreset - The old preset
+   * @param {string} newPreset - The new preset
+   * @public
+   * @returns {void}
+   */
+  onPresetChange(oldPreset: string, newPreset: string): void {
+    Object.keys(this._plugins).forEach(k => this._plugins[k].onPresetChange(oldPreset, newPreset));
+  }
+
   /**
    * Iterates over all the plugins and calls destroy().
    * @public

src/kaltura-player.js

@@ -940,6 +940,12 @@ class KalturaPlayer extends FakeEventTarget {
         this._reset = false;
       }
     });
+    this._eventManager.listen(this, UIEventType.UI_PRESET_CHANGE, (event: FakeEvent) => this._onPresetChange(event));
+  }
+
+  _onPresetChange(event: FakeEvent): void {
+    const {from, to} = event.payload;
+    this._pluginManager.onPresetChange(from, to);
   }
 
   _onChangeSourceEnded(): void {