CollapsePresenter.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.collapse;

import org.waveprotocol.wave.client.wavepanel.view.InlineThreadView;

/**
 * Can collapse and expand thread views.
 *
 */
public final class CollapsePresenter {

  //
  // This class is beguilingly trivial, because the following items have not yet
  // been addressed.
  // TODO(user): Collaborate with focus frame, so that focus never gets
  // collapsed, and so that focus-frame movement skip collapsed threads.
  //

  public void collapse(InlineThreadView view) {
    view.setCollapsed(true);
  }

  public void expand(InlineThreadView view) {
    view.setCollapsed(false);
  }

  public void toggle(InlineThreadView view) {
    view.setCollapsed(!view.isCollapsed());
  }
}