DevToolsPageEvent.java

/*
 * Copyright 2009 Google Inc.
 * 
 * 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.
 */
package com.google.gwt.chrome.crx.client.events;

import com.google.gwt.core.client.JavaScriptObject;

/**
 * Part of the experimental timeline api. An event object that makes it possible
 * to listen for events from the devtools timeline agent.
 */
public class DevToolsPageEvent extends Event {
	/**
	 * The record that gets passed back onPageEvent.
	 */
	public static class PageEvent extends JavaScriptObject {
		protected PageEvent() {
		}

		public final native String getMethod() /*-{
												return this[0];
												}-*/;
	}

	/**
	 * Called when a page event is received.
	 */
	public interface Listener {
		void onPageEvent(PageEvent event);
	}

	protected DevToolsPageEvent() {
	}

	public final ListenerHandle addListener(Listener listener) {
		return new ListenerHandle(this, addListenerImpl(listener));
	}

	private native JavaScriptObject addListenerImpl(Listener listener) /*-{
																		var handle = function(event) {
																		listener.@com.google.gwt.chrome.crx.client.events.DevToolsPageEvent$Listener::onPageEvent(Lcom/google/gwt/chrome/crx/client/events/DevToolsPageEvent$PageEvent;)(event);
																		};

																		this.addListener(handle);
																		return handle;
																		}-*/;
}