ViewComponent.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;

/**
 * A component of a chrome extension that has its own document and window
 * context. Its window context is accessible as a {@link View} via extensions
 * API.
 */
public abstract class ViewComponent implements Component {
	private View view;

	public View getView() {
		return view;
	}

	/**
	 * Implement this method to be called when the extension is ready to use.
	 */
	public abstract void onLoad();

	protected native void connect(String name) /*-{
												var self = this;
												window[name] = function(view) {
												self.
												@com.google.gwt.chrome.crx.client.ViewComponent::connectImpl(Lcom/google/gwt/chrome/crx/client/View;)
												(view);
												};
												}-*/;

	private void connectImpl(View view) {
		this.view = view.cast();
		onLoad();
	}
}