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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.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.ActivityThread.ActivityClientRecord;
import android.app.ClientTransactionHandler;
import android.content.res.Configuration;
import android.os.IBinder;
import android.os.Parcel;
import android.os.Trace;
import java.util.Objects;
/**
* Activity move to a different display message.
* @hide
*/
public class MoveToDisplayItem extends ActivityTransactionItem {
private int mTargetDisplayId;
private Configuration mConfiguration;
@Override
public void preExecute(ClientTransactionHandler client, IBinder token) {
// Notify the client of an upcoming change in the token configuration. This ensures that
// batches of config change items only process the newest configuration.
client.updatePendingActivityConfiguration(token, mConfiguration);
}
@Override
public void execute(ClientTransactionHandler client, ActivityClientRecord r,
PendingTransactionActions pendingActions) {
Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityMovedToDisplay");
client.handleActivityConfigurationChanged(r, mConfiguration, mTargetDisplayId);
Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
// ObjectPoolItem implementation
private MoveToDisplayItem() {}
/** Obtain an instance initialized with provided params. */
public static MoveToDisplayItem obtain(int targetDisplayId,
@NonNull Configuration configuration) {
if (configuration == null) {
throw new IllegalArgumentException("Configuration must not be null");
}
MoveToDisplayItem instance = ObjectPool.obtain(MoveToDisplayItem.class);
if (instance == null) {
instance = new MoveToDisplayItem();
}
instance.mTargetDisplayId = targetDisplayId;
instance.mConfiguration = configuration;
return instance;
}
@Override
public void recycle() {
mTargetDisplayId = 0;
mConfiguration = Configuration.EMPTY;
ObjectPool.recycle(this);
}
// Parcelable implementation
/** Write to Parcel. */
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mTargetDisplayId);
dest.writeTypedObject(mConfiguration, flags);
}
/** Read from Parcel. */
private MoveToDisplayItem(Parcel in) {
mTargetDisplayId = in.readInt();
mConfiguration = in.readTypedObject(Configuration.CREATOR);
}
public static final @NonNull Creator<MoveToDisplayItem> CREATOR =
new Creator<MoveToDisplayItem>() {
public MoveToDisplayItem createFromParcel(Parcel in) {
return new MoveToDisplayItem(in);
}
public MoveToDisplayItem[] newArray(int size) {
return new MoveToDisplayItem[size];
}
};
@Override
public boolean equals(@Nullable Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final MoveToDisplayItem other = (MoveToDisplayItem) o;
return mTargetDisplayId == other.mTargetDisplayId
&& Objects.equals(mConfiguration, other.mConfiguration);
}
@Override
public int hashCode() {
int result = 17;
result = 31 * result + mTargetDisplayId;
result = 31 * result + mConfiguration.hashCode();
return result;
}
@Override
public String toString() {
return "MoveToDisplayItem{targetDisplayId=" + mTargetDisplayId
+ ",configuration=" + mConfiguration + "}";
}
}
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