/**
* Copyright 2012 Apache Wave
*
* 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 org.waveprotocol.box.webclient.client;
import com.google.gwt.user.client.Window;
import org.waveprotocol.box.webclient.search.WaveContext;
import org.waveprotocol.box.webclient.search.WaveStore;
import org.waveprotocol.box.webclient.widget.frame.FramedPanel;
import org.waveprotocol.wave.model.conversation.TitleHelper;
import org.waveprotocol.wave.model.document.Document;
/**
* Sets the browser window title to the wave title.
*
* @author yurize@apache.org (Yuri Zelikov)
*/
public final class WindowTitleHandler implements WaveStore.Listener {
private static final String APP_NAME = "WIAB";
private static final String DEFAULT_TITLE = "Communicate and collaborate in real-time";
private final WaveStore waveStore;
private final FramedPanel waveFrame;
public static WindowTitleHandler install(WaveStore waveStore, FramedPanel waveFrame) {
return new WindowTitleHandler(waveStore, waveFrame);
}
private WindowTitleHandler(WaveStore waveStore, FramedPanel waveFrame) {
this.waveStore = waveStore;
this.waveFrame = waveFrame;
init();
}
private void init() {
waveStore.addListener(this);
}
@Override
public void onOpened(WaveContext wave) {
Document document =
wave.getConversations().getRoot().getRootThread().getFirstBlip().getContent();
String waveTitle = TitleHelper.extractTitle(document);
String windowTitle = formatTitle(waveTitle);
if (waveTitle == null || waveTitle.isEmpty()) {
windowTitle = DEFAULT_TITLE;
}
Window.setTitle(windowTitle);
waveFrame.setTitleText(waveTitle);
}
@Override
public void onClosed(WaveContext wave) {
Window.setTitle(DEFAULT_TITLE);
}
private String formatTitle(String title) {
return title + " - " + Session.get().getAddress() + " - " + APP_NAME;
}
}