/**
* Copyright 2008 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.common.util;
import com.google.gwt.user.client.ui.Widget;
/**
* A listener to key signals.
* Signal equivalent of a keyboard listener.
*
* @author danilatos@google.com (Daniel Danilatos)
*/
public interface KeySignalListener {
/**
* @param sender
* @param signal
* @return true if the event was "handled" for some meaning of handled
* Usually this means the caller won't handle it themselves.
*/
boolean onKeySignal(Widget sender, SignalEvent signal);
}