/**
* Copyright 2010 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.widget.toolbar.buttons;
/**
* A {@link ToolbarButtonView} which behaves like a click button.
*
* Non-final for mocking. Do not extend.
*
* @author kalman@google.com (Benjamin Kalman)
*/
public class ToolbarClickButton extends AbstractToolbarButton {
/**
* Listener for click events.
*/
public interface Listener {
/**
* Called when the button is clicked. This event will only fire if the
* button is enabled.
*/
void onClicked();
}
private Listener listener;
public ToolbarClickButton(ToolbarButtonUi button) {
super(button, true);
}
/**
* Sets the listener to click events.
*/
public void setListener(Listener listener) {
this.listener = listener;
}
@Override
public void onClick() {
if (!isDisabled()) {
if (listener != null) {
listener.onClicked();
}
if (getParent() != null) {
getParent().onActionPerformed();
}
}
}
}