content: /*
   * Copyright 2016, The Android Open Source Project
   *
   * 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 <%= appPackage %>.taskdetail;
  
  import android.content.Context;
  import android.support.annotation.Nullable;
  
  import <%= appPackage %>.TaskViewModel;
  import <%= appPackage %>.data.source.TasksRepository;
  import <%= appPackage %>.tasks.TasksFragment;
  
  
  /**
   * Listens to user actions from the list item in ({@link TasksFragment}) and redirects them to the
   * Fragment's actions listener.
   */
  public class TaskDetailViewModel extends TaskViewModel {
  
      @Nullable
      private TaskDetailNavigator mTaskDetailNavigator;
  
      public TaskDetailViewModel(Context context, TasksRepository tasksRepository) {
          super(context, tasksRepository);
      }
  
      public void setNavigator(TaskDetailNavigator taskDetailNavigator) {
          mTaskDetailNavigator = taskDetailNavigator;
      }
  
      public void onActivityDestroyed() {
          // Clear references to avoid potential memory leaks.
          mTaskDetailNavigator = null;
      }
  
      /**
       * Can be called by the Data Binding Library or the delete menu item.
       */
      public void deleteTask() {
          super.deleteTask();
          if (mTaskDetailNavigator != null) {
              mTaskDetailNavigator.onTaskDeleted();
          }
      }
  
      public void startEditTask() {
          if (mTaskDetailNavigator != null) {
              mTaskDetailNavigator.onStartEditTask();
          }
      }
  }
  