| /* |
| * Copyright 2019 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.ActivityTaskManager; |
| import android.app.ClientTransactionHandler; |
| import android.os.IBinder; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| import android.os.Trace; |
| |
| /** |
| * Top resumed activity changed callback. |
| * @hide |
| */ |
| public class TopResumedActivityChangeItem extends ClientTransactionItem { |
| |
| private boolean mOnTop; |
| |
| @Override |
| public void execute(ClientTransactionHandler client, IBinder token, |
| PendingTransactionActions pendingActions) { |
| Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "topResumedActivityChangeItem"); |
| client.handleTopResumedActivityChanged(token, mOnTop, "topResumedActivityChangeItem"); |
| Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| |
| @Override |
| public void postExecute(ClientTransactionHandler client, IBinder token, |
| PendingTransactionActions pendingActions) { |
| if (mOnTop) { |
| return; |
| } |
| |
| // The loss of top resumed state can always be reported immediately in postExecute |
| // because only three cases are possible: |
| // 1. Activity is in RESUMED state now and it just handled the callback in #execute(). |
| // 2. Activity wasn't RESUMED yet, which means that it didn't receive the top state yet. |
| // 3. Activity is PAUSED or in other lifecycle state after PAUSED. In this case top resumed |
| // state loss was already called right before pausing. |
| try { |
| ActivityTaskManager.getService().activityTopResumedStateLost(); |
| } catch (RemoteException ex) { |
| throw ex.rethrowFromSystemServer(); |
| } |
| } |
| |
| |
| // ObjectPoolItem implementation |
| |
| private TopResumedActivityChangeItem() {} |
| |
| /** Obtain an instance initialized with provided params. */ |
| public static TopResumedActivityChangeItem obtain(boolean onTop) { |
| TopResumedActivityChangeItem instance = |
| ObjectPool.obtain(TopResumedActivityChangeItem.class); |
| if (instance == null) { |
| instance = new TopResumedActivityChangeItem(); |
| } |
| instance.mOnTop = onTop; |
| |
| return instance; |
| } |
| |
| @Override |
| public void recycle() { |
| mOnTop = false; |
| ObjectPool.recycle(this); |
| } |
| |
| |
| // Parcelable implementation |
| |
| /** Write to Parcel. */ |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeBoolean(mOnTop); |
| } |
| |
| /** Read from Parcel. */ |
| private TopResumedActivityChangeItem(Parcel in) { |
| mOnTop = in.readBoolean(); |
| } |
| |
| public static final @android.annotation.NonNull Creator<TopResumedActivityChangeItem> CREATOR = |
| new Creator<TopResumedActivityChangeItem>() { |
| public TopResumedActivityChangeItem createFromParcel(Parcel in) { |
| return new TopResumedActivityChangeItem(in); |
| } |
| |
| public TopResumedActivityChangeItem[] newArray(int size) { |
| return new TopResumedActivityChangeItem[size]; |
| } |
| }; |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| final TopResumedActivityChangeItem other = (TopResumedActivityChangeItem) o; |
| return mOnTop == other.mOnTop; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 17; |
| result = 31 * result + (mOnTop ? 1 : 0); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "TopResumedActivityChangeItem{onTop=" + mOnTop + "}"; |
| } |
| } |