content: /*
   * Copyright 2017 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 android.app.servertransaction;
  
  import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
  
  import android.app.ActivityManager;
  import android.app.ActivityTaskManager;
  import android.app.ClientTransactionHandler;
  import android.os.IBinder;
  import android.os.Parcel;
  import android.os.RemoteException;
  import android.os.Trace;
  
  /**
   * Request to move an activity to paused state.
   * @hide
   */
  public class PauseActivityItem extends ActivityLifecycleItem {
  
      private static final String TAG = "PauseActivityItem";
  
      private boolean mFinished;
      private boolean mUserLeaving;
      private int mConfigChanges;
      private boolean mDontReport;
  
      @Override
      public void execute(ClientTransactionHandler client, IBinder token,
              PendingTransactionActions pendingActions) {
          Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityPause");
          client.handlePauseActivity(token, mFinished, mUserLeaving, mConfigChanges, pendingActions,
                  "PAUSE_ACTIVITY_ITEM");
          Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
      }
  
      @Override
      public int getTargetState() {
          return ON_PAUSE;
      }
  
      @Override
      public void postExecute(ClientTransactionHandler client, IBinder token,
              PendingTransactionActions pendingActions) {
          if (mDontReport) {
              return;
          }
          try {
              // TODO(lifecycler): Use interface callback instead of AMS.
              ActivityTaskManager.getService().activityPaused(token);
          } catch (RemoteException ex) {
              throw ex.rethrowFromSystemServer();
          }
      }
  
  
      // ObjectPoolItem implementation
  
      private PauseActivityItem() {}
  
      /** Obtain an instance initialized with provided params. */
      public static PauseActivityItem obtain(boolean finished, boolean userLeaving, int configChanges,
              boolean dontReport) {
          PauseActivityItem instance = ObjectPool.obtain(PauseActivityItem.class);
          if (instance == null) {
              instance = new PauseActivityItem();
          }
          instance.mFinished = finished;
          instance.mUserLeaving = userLeaving;
          instance.mConfigChanges = configChanges;
          instance.mDontReport = dontReport;
  
          return instance;
      }
  
      /** Obtain an instance initialized with default params. */
      public static PauseActivityItem obtain() {
          PauseActivityItem instance = ObjectPool.obtain(PauseActivityItem.class);
          if (instance == null) {
              instance = new PauseActivityItem();
          }
          instance.mFinished = false;
          instance.mUserLeaving = false;
          instance.mConfigChanges = 0;
          instance.mDontReport = true;
  
          return instance;
      }
  
      @Override
      public void recycle() {
          super.recycle();
          mFinished = false;
          mUserLeaving = false;
          mConfigChanges = 0;
          mDontReport = false;
          ObjectPool.recycle(this);
      }
  
      // Parcelable implementation
  
      /** Write to Parcel. */
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeBoolean(mFinished);
          dest.writeBoolean(mUserLeaving);
          dest.writeInt(mConfigChanges);
          dest.writeBoolean(mDontReport);
      }
  
      /** Read from Parcel. */
      private PauseActivityItem(Parcel in) {
          mFinished = in.readBoolean();
          mUserLeaving = in.readBoolean();
          mConfigChanges = in.readInt();
          mDontReport = in.readBoolean();
      }
  
      public static final @android.annotation.NonNull Creator<PauseActivityItem> CREATOR =
              new Creator<PauseActivityItem>() {
          public PauseActivityItem createFromParcel(Parcel in) {
              return new PauseActivityItem(in);
          }
  
          public PauseActivityItem[] newArray(int size) {
              return new PauseActivityItem[size];
          }
      };
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          final PauseActivityItem other = (PauseActivityItem) o;
          return mFinished == other.mFinished && mUserLeaving == other.mUserLeaving
                  && mConfigChanges == other.mConfigChanges && mDontReport == other.mDontReport;
      }
  
      @Override
      public int hashCode() {
          int result = 17;
          result = 31 * result + (mFinished ? 1 : 0);
          result = 31 * result + (mUserLeaving ? 1 : 0);
          result = 31 * result + mConfigChanges;
          result = 31 * result + (mDontReport ? 1 : 0);
          return result;
      }
  
      @Override
      public String toString() {
          return "PauseActivityItem{finished=" + mFinished + ",userLeaving=" + mUserLeaving
                  + ",configChanges=" + mConfigChanges + ",dontReport=" + mDontReport + "}";
      }
  }
  