/**
* 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.gadget.renderer;
import org.waveprotocol.wave.model.wave.ParticipantId;
/**
* Gadget wavelet listener interface to relay participant/contributor event
* notifications to the gadget widget.
*
*/
public interface GadgetWaveletListener {
/**
* Notifies a gadget that a participant has been added to its wavelet.
*
* @param participant participant that was added
*/
void onParticipantAdded(ParticipantId participant);
/**
* Notifies a gadget that a participant has been removed from its wavelet.
*
* @param participant participant that was removed
*/
void onParticipantRemoved(ParticipantId participant);
/**
* Notifies a gadget that a contributor has been added to its blip.
*
* @param contributor contributor that was added
*/
void onBlipContributorAdded(ParticipantId contributor);
/**
* Notifies a gadget that a contributor has been removed from its blip.
*
* @param contributor contributor that was removed
*/
void onBlipContributorRemoved(ParticipantId contributor);
}