DevTools: Template emittable events

third_party/WebKit/Source/devtools/front_end/common/Object.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 80 matching lines @@
       return;
 
     var event = new Common.Event(eventData);
     var listeners = this._listeners.get(eventType).slice(0);
     for (var i = 0; i < listeners.length; ++i)
       listeners[i].listener.call(listeners[i].thisObject, event);
   }
 
   /**
    * @override
-   * @param {function(new:Common.Emittable, ...)} eventType
+   * @param {function(new:T, ...)} eventType
    * @param {function(!T)} listener
    * @param {!Object=} thisObject
    * @return {!Common.EventTarget.TypedEventDescriptor}
    * @template T
    */
   on(eventType, listener, thisObject) {
     if (!this._listeners)
       this._listeners = new Map();
     if (!this._listeners.has(eventType))
       this._listeners.set(eventType, []);
     this._listeners.get(eventType).push({thisObject: thisObject, listener: listener});
     return new Common.EventTarget.TypedEventDescriptor(this, eventType, thisObject, listener);
   }
 
   /**
    * @override
-   * @param {function(new:Common.Emittable, ...)} eventType
-   * @param {function(!Common.Emittable)} listener
+   * @param {function(new:T, ...)} eventType
+   * @param {function(!T)} listener
    * @param {!Object=} thisObject
+   * @template T
    */
   off(eventType, listener, thisObject) {
     if (!this._listeners || !this._listeners.has(eventType))
       return;
     var listeners = this._listeners.get(eventType);
     for (var i = 0; i < listeners.length; ++i) {
       if (listeners[i].listener === listener && listeners[i].thisObject === thisObject)
         listeners.splice(i--, 1);
     }
     if (!listeners.length)
@@ skipping 136 matching lines @@
    */
   hasEventListeners(eventType) {},
 
   /**
    * @param {symbol} eventType
    * @param {*=} eventData
    */
   dispatchEventToListeners(eventType, eventData) {},
 
   /**
-   * @param {function(new:Common.Emittable, ...)} eventType
+   * @param {function(new:T, ...)} eventType
    * @param {function(!T)} listener
    * @param {!Object=} thisObject
    * @return {!Common.EventTarget.TypedEventDescriptor}
    * @template T
    */
   on(eventType, listener, thisObject) {},
 
   /**
-   * @param {function(new:Common.Emittable, ...)} eventType
-   * @param {function(!Common.Emittable)} listener
+   * @param {function(new:T, ...)} eventType
+   * @param {function(!T)} listener
    * @param {!Object=} thisObject
+   * @template T
    */
   off(eventType, listener, thisObject) {},
 
   /**
    * @param {!Common.Emittable} event
    */
   emit(event) {},
 };