content: /**
    * Copyright 2017 JessYan
    *
    * 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 %>.integration.lifecycle;
  
  import android.content.Context;
  import android.os.Bundle;
  import android.support.v4.app.Fragment;
  import android.support.v4.app.FragmentManager;
  import android.view.View;
  
  import com.trello.rxlifecycle2.RxLifecycle;
  import com.trello.rxlifecycle2.android.FragmentEvent;
  
  import io.reactivex.subjects.Subject;
  
  /**
   * ================================================
   * 配合 {@link FragmentLifecycleable} 使用,使 {@link Fragment} 具有 {@link RxLifecycle} 的特性
   *
   * Created by JessYan on 26/08/2017 16:02
   * <a href="mailto:jess.yan.effort@gmail.com">Contact me</a>
   * <a href="https://github.com/JessYanCoding">Follow me</a>
   * ================================================
   */
  public class FragmentLifecycleForRxLifecycle extends FragmentManager.FragmentLifecycleCallbacks {
  
      @Override
      public void onFragmentAttached(FragmentManager fm, Fragment f, Context context) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.ATTACH);
          }
      }
  
  
      @Override
      public void onFragmentCreated(FragmentManager fm, Fragment f, Bundle savedInstanceState) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.CREATE);
          }
      }
  
  
      @Override
      public void onFragmentViewCreated(FragmentManager fm, Fragment f, View v, Bundle savedInstanceState) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.CREATE_VIEW);
          }
      }
  
      @Override
      public void onFragmentStarted(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.START);
          }
      }
  
      @Override
      public void onFragmentResumed(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.RESUME);
          }
      }
  
      @Override
      public void onFragmentPaused(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.PAUSE);
          }
      }
  
      @Override
      public void onFragmentStopped(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.STOP);
          }
      }
  
      @Override
      public void onFragmentViewDestroyed(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.DESTROY_VIEW);
          }
      }
  
      @Override
      public void onFragmentDestroyed(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.DESTROY);
          }
      }
  
      @Override
      public void onFragmentDetached(FragmentManager fm, Fragment f) {
          if (f instanceof FragmentLifecycleable) {
              obtainSubject(f).onNext(FragmentEvent.DETACH);
          }
      }
  
      private Subject<FragmentEvent> obtainSubject(Fragment fragment) {
          return ((FragmentLifecycleable) fragment).provideLifecycleSubject();
      }
  }
  