/**
 * Copyright 2009 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.model.conversation;

import org.waveprotocol.wave.model.wave.ParticipantId;



/**
 * Null implementation of a conversation listener.
 *
 * @author anorth@google.com (Alex North)
 */
public class ConversationListenerImpl implements ObservableConversation.Listener {
  @Override
  public void onParticipantAdded(ParticipantId participant) {
  }

  @Override
  public void onParticipantRemoved(ParticipantId participant) {
  }

  @Override
  public void onBlipAdded(ObservableConversationBlip blip) {
  }

  @Override
  public void onBlipDeleted(ObservableConversationBlip blip) {
  }

  @Override
  public void onThreadAdded(ObservableConversationThread thread) {
  }

  @Override
  public void onInlineThreadAdded(ObservableConversationThread thread, int location) {
  }

  @Override
  public void onThreadDeleted(ObservableConversationThread thread) {
  }

  @Override
  public void onBlipContributorAdded(ObservableConversationBlip blip, ParticipantId contributor) {
  }

  @Override
  public void onBlipContributorRemoved(ObservableConversationBlip blip, ParticipantId contributor) {
  }

  @Override
  public void onBlipSumbitted(ObservableConversationBlip blip) {
  }

  @Override
  public void onBlipTimestampChanged(ObservableConversationBlip blip, long oldTimestamp,
      long newTimestamp) {
  }
}