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 resumed state.
   * @hide
   */
  public class ResumeActivityItem extends ActivityLifecycleItem {
  
      private static final String TAG = "ResumeActivityItem";
  
      private int mProcState;
      private boolean mUpdateProcState;
      private boolean mIsForward;
  
      @Override
      public void preExecute(ClientTransactionHandler client, IBinder token) {
          if (mUpdateProcState) {
              client.updateProcessState(mProcState, false);
          }
      }
  
      @Override
      public void execute(ClientTransactionHandler client, IBinder token,
              PendingTransactionActions pendingActions) {
          Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityResume");
          client.handleResumeActivity(token, true /* finalStateRequest */, mIsForward,
                  "RESUME_ACTIVITY");
          Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
      }
  
      @Override
      public void postExecute(ClientTransactionHandler client, IBinder token,
              PendingTransactionActions pendingActions) {
          try {
              // TODO(lifecycler): Use interface callback instead of AMS.
              ActivityTaskManager.getService().activityResumed(token);
          } catch (RemoteException ex) {
              throw ex.rethrowFromSystemServer();
          }
      }
  
      @Override
      public int getTargetState() {
          return ON_RESUME;
      }
  
  
      // ObjectPoolItem implementation
  
      private ResumeActivityItem() {}
  
      /** Obtain an instance initialized with provided params. */
      public static ResumeActivityItem obtain(int procState, boolean isForward) {
          ResumeActivityItem instance = ObjectPool.obtain(ResumeActivityItem.class);
          if (instance == null) {
              instance = new ResumeActivityItem();
          }
          instance.mProcState = procState;
          instance.mUpdateProcState = true;
          instance.mIsForward = isForward;
  
          return instance;
      }
  
      /** Obtain an instance initialized with provided params. */
      public static ResumeActivityItem obtain(boolean isForward) {
          ResumeActivityItem instance = ObjectPool.obtain(ResumeActivityItem.class);
          if (instance == null) {
              instance = new ResumeActivityItem();
          }
          instance.mProcState = ActivityManager.PROCESS_STATE_UNKNOWN;
          instance.mUpdateProcState = false;
          instance.mIsForward = isForward;
  
          return instance;
      }
  
      @Override
      public void recycle() {
          super.recycle();
          mProcState = ActivityManager.PROCESS_STATE_UNKNOWN;
          mUpdateProcState = false;
          mIsForward = false;
          ObjectPool.recycle(this);
      }
  
  
      // Parcelable implementation
  
      /** Write to Parcel. */
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeInt(mProcState);
          dest.writeBoolean(mUpdateProcState);
          dest.writeBoolean(mIsForward);
      }
  
      /** Read from Parcel. */
      private ResumeActivityItem(Parcel in) {
          mProcState = in.readInt();
          mUpdateProcState = in.readBoolean();
          mIsForward = in.readBoolean();
      }
  
      public static final @android.annotation.NonNull Creator<ResumeActivityItem> CREATOR =
              new Creator<ResumeActivityItem>() {
          public ResumeActivityItem createFromParcel(Parcel in) {
              return new ResumeActivityItem(in);
          }
  
          public ResumeActivityItem[] newArray(int size) {
              return new ResumeActivityItem[size];
          }
      };
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          final ResumeActivityItem other = (ResumeActivityItem) o;
          return mProcState == other.mProcState && mUpdateProcState == other.mUpdateProcState
                  && mIsForward == other.mIsForward;
      }
  
      @Override
      public int hashCode() {
          int result = 17;
          result = 31 * result + mProcState;
          result = 31 * result + (mUpdateProcState ? 1 : 0);
          result = 31 * result + (mIsForward ? 1 : 0);
          return result;
      }
  
      @Override
      public String toString() {
          return "ResumeActivityItem{procState=" + mProcState
                  + ",updateProcState=" + mUpdateProcState + ",isForward=" + mIsForward + "}";
      }
  }
  