/**
 * Copyright 2011 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 org.waveprotocol.wave.client.wavepanel.impl.toolbar;

import org.waveprotocol.wave.client.widget.toolbar.ToolbarButtonViewBuilder;
import org.waveprotocol.wave.client.widget.toolbar.ToplevelToolbarWidget;
import org.waveprotocol.wave.client.widget.toolbar.buttons.ToolbarClickButton;

/**
 * Attaches actions that can be performed in a Wave's "view mode" to a toolbar.
 *
 * @author kalman@google.com (Benjamin Kalman)
 */
public final class ViewToolbar {

  private final ToplevelToolbarWidget toolbarUi;

  private ViewToolbar(ToplevelToolbarWidget toolbarUi) {
    this.toolbarUi = toolbarUi;
  }

  public static ViewToolbar create() {
    return new ViewToolbar(new ToplevelToolbarWidget());
  }

  public void init() {
  }

  /**
   * Adds a click button to the toolbar.
   */
  public void addClickButton(String iconCss, ToolbarClickButton.Listener listener) {
    new ToolbarButtonViewBuilder().setIcon(iconCss).applyTo(toolbarUi.addClickButton(), listener);
  }

  /**
   * @return the {@link ToplevelToolbarWidget} backing this toolbar.
   */
  public ToplevelToolbarWidget getWidget() {
    return toolbarUi;
  }
}