cc.kune.wave.client.CustomWindowTitleHandler.java Source code

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Here is the source code for cc.kune.wave.client.CustomWindowTitleHandler.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 cc.kune.wave.client;

import org.waveprotocol.box.webclient.client.Session;
import org.waveprotocol.box.webclient.search.WaveStore;
import org.waveprotocol.wave.model.conversation.TitleHelper;
import org.waveprotocol.wave.model.document.WaveContext;

import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Window;

import cc.kune.common.client.ui.EditableLabel;
import cc.kune.common.shared.i18n.I18n;
import cc.kune.core.client.state.TokenMatcher;

/**
 * Sets the browser window title to the wave title.
 *
 * @author yurize@apache.org (Yuri Zelikov) customized for kune by @vjrj
 */
public final class CustomWindowTitleHandler implements WaveStore.Listener {

    public static CustomWindowTitleHandler install(final WaveStore waveStore, final EditableLabel editableLabel) {
        return new CustomWindowTitleHandler(waveStore, editableLabel);
    }

    private final String defaultTitle;

    private final EditableLabel editableLabel;
    private final WaveStore waveStore;

    private CustomWindowTitleHandler(final WaveStore waveStore, final EditableLabel editableLabel) {
        this.waveStore = waveStore;
        this.editableLabel = editableLabel;
        defaultTitle = I18n.t("Inbox") + " - " + Session.get().getAddress();

        // Right now we do not show the title
        editableLabel.setVisible(false);
        init();
    }

    private String formatTitle(final String title) {
        return title + " - " + Session.get().getAddress();
    }

    private void init() {
        waveStore.addListener(this);
    }

    @Override
    public void onClosed(final WaveContext wave) {
        if (TokenMatcher.isWaveToken(History.getToken())) {
            Window.setTitle(defaultTitle);
        }
    }

    @Override
    public void onOpened(final WaveContext wave) {
        if (TokenMatcher.isWaveToken(History.getToken())) {
            final String waveTitle = TitleHelper.getTitle(wave);
            String windowTitle = formatTitle(waveTitle);
            if (waveTitle == null || waveTitle.isEmpty()) {
                windowTitle = defaultTitle;
            }
            Window.setTitle(windowTitle);
            editableLabel.setText(waveTitle);
        }
    }
}