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/*
* 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 @android.annotation.NonNull 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 + "}";
}
}
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