| /* |
| * 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.app.ActivityThread.DEBUG_ORDER; |
| |
| import android.app.ActivityThread; |
| import android.app.ClientTransactionHandler; |
| import android.app.ResultInfo; |
| import android.os.IBinder; |
| import android.os.Parcel; |
| import android.os.Trace; |
| import android.util.MergedConfiguration; |
| import android.util.Slog; |
| |
| import com.android.internal.content.ReferrerIntent; |
| |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * Activity relaunch callback. |
| * @hide |
| */ |
| public class ActivityRelaunchItem extends ClientTransactionItem { |
| |
| private static final String TAG = "ActivityRelaunchItem"; |
| |
| private List<ResultInfo> mPendingResults; |
| private List<ReferrerIntent> mPendingNewIntents; |
| private int mConfigChanges; |
| private MergedConfiguration mConfig; |
| private boolean mPreserveWindow; |
| |
| /** |
| * A record that was properly configured for relaunch. Execution will be cancelled if not |
| * initialized after {@link #preExecute(ClientTransactionHandler, IBinder)}. |
| */ |
| private ActivityThread.ActivityClientRecord mActivityClientRecord; |
| |
| @Override |
| public void preExecute(ClientTransactionHandler client, IBinder token) { |
| mActivityClientRecord = client.prepareRelaunchActivity(token, mPendingResults, |
| mPendingNewIntents, mConfigChanges, mConfig, mPreserveWindow); |
| } |
| |
| @Override |
| public void execute(ClientTransactionHandler client, IBinder token, |
| PendingTransactionActions pendingActions) { |
| if (mActivityClientRecord == null) { |
| if (DEBUG_ORDER) Slog.d(TAG, "Activity relaunch cancelled"); |
| return; |
| } |
| Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "activityRestart"); |
| client.handleRelaunchActivity(mActivityClientRecord, pendingActions); |
| Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); |
| } |
| |
| @Override |
| public void postExecute(ClientTransactionHandler client, IBinder token, |
| PendingTransactionActions pendingActions) { |
| client.reportRelaunch(token, pendingActions); |
| } |
| |
| // ObjectPoolItem implementation |
| |
| private ActivityRelaunchItem() {} |
| |
| /** Obtain an instance initialized with provided params. */ |
| public static ActivityRelaunchItem obtain(List<ResultInfo> pendingResults, |
| List<ReferrerIntent> pendingNewIntents, int configChanges, MergedConfiguration config, |
| boolean preserveWindow) { |
| ActivityRelaunchItem instance = ObjectPool.obtain(ActivityRelaunchItem.class); |
| if (instance == null) { |
| instance = new ActivityRelaunchItem(); |
| } |
| instance.mPendingResults = pendingResults; |
| instance.mPendingNewIntents = pendingNewIntents; |
| instance.mConfigChanges = configChanges; |
| instance.mConfig = config; |
| instance.mPreserveWindow = preserveWindow; |
| |
| return instance; |
| } |
| |
| @Override |
| public void recycle() { |
| mPendingResults = null; |
| mPendingNewIntents = null; |
| mConfigChanges = 0; |
| mConfig = null; |
| mPreserveWindow = false; |
| mActivityClientRecord = null; |
| ObjectPool.recycle(this); |
| } |
| |
| |
| // Parcelable implementation |
| |
| /** Write to Parcel. */ |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeTypedList(mPendingResults, flags); |
| dest.writeTypedList(mPendingNewIntents, flags); |
| dest.writeInt(mConfigChanges); |
| dest.writeTypedObject(mConfig, flags); |
| dest.writeBoolean(mPreserveWindow); |
| } |
| |
| /** Read from Parcel. */ |
| private ActivityRelaunchItem(Parcel in) { |
| mPendingResults = in.createTypedArrayList(ResultInfo.CREATOR); |
| mPendingNewIntents = in.createTypedArrayList(ReferrerIntent.CREATOR); |
| mConfigChanges = in.readInt(); |
| mConfig = in.readTypedObject(MergedConfiguration.CREATOR); |
| mPreserveWindow = in.readBoolean(); |
| } |
| |
| public static final Creator<ActivityRelaunchItem> CREATOR = |
| new Creator<ActivityRelaunchItem>() { |
| public ActivityRelaunchItem createFromParcel(Parcel in) { |
| return new ActivityRelaunchItem(in); |
| } |
| |
| public ActivityRelaunchItem[] newArray(int size) { |
| return new ActivityRelaunchItem[size]; |
| } |
| }; |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| final ActivityRelaunchItem other = (ActivityRelaunchItem) o; |
| return Objects.equals(mPendingResults, other.mPendingResults) |
| && Objects.equals(mPendingNewIntents, other.mPendingNewIntents) |
| && mConfigChanges == other.mConfigChanges && Objects.equals(mConfig, other.mConfig) |
| && mPreserveWindow == other.mPreserveWindow; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 17; |
| result = 31 * result + Objects.hashCode(mPendingResults); |
| result = 31 * result + Objects.hashCode(mPendingNewIntents); |
| result = 31 * result + mConfigChanges; |
| result = 31 * result + Objects.hashCode(mConfig); |
| result = 31 * result + (mPreserveWindow ? 1 : 0); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "ActivityRelaunchItem{pendingResults=" + mPendingResults |
| + ",pendingNewIntents=" + mPendingNewIntents + ",configChanges=" + mConfigChanges |
| + ",config=" + mConfig + ",preserveWindow" + mPreserveWindow + "}"; |
| } |
| } |