/**
 * Copyright 2014 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Class: IEventDispatcher
import { Event } from "../events/Event";

export interface EventHandler {
  (event: Event): void;
}

export interface IEventDispatcher {
  addEventListener: (type: string, listener: EventHandler, useCapture?: boolean,
                      priority?: number /*int*/, useWeakReference?: boolean) => void;
  removeEventListener: (type: string, listener: EventHandler, useCapture?: boolean) => void;
  hasEventListener: (type: string) => boolean;
  willTrigger: (type: string) => boolean;
  dispatchEvent: (event: Event) => boolean;
}