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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_MEMORY_TRIM;
import android.app.ActivityManager;
import android.app.ActivityThread.ActivityClientRecord;
import android.os.Build;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.os.RemoteException;
import android.os.TransactionTooLargeException;
import android.util.Log;
import android.util.LogWriter;
import android.util.Slog;
import com.android.internal.util.IndentingPrintWriter;
/**
* Container that has data pending to be used at later stages of
* {@link android.app.servertransaction.ClientTransaction}.
* An instance of this class is passed to each individual transaction item, so it can use some
* information from previous steps or add some for the following steps.
*
* @hide
*/
public class PendingTransactionActions {
private boolean mRestoreInstanceState;
private boolean mCallOnPostCreate;
private Bundle mOldState;
private StopInfo mStopInfo;
public PendingTransactionActions() {
clear();
}
/** Reset the state of the instance to default, non-initialized values. */
public void clear() {
mRestoreInstanceState = false;
mCallOnPostCreate = false;
mOldState = null;
mStopInfo = null;
}
/** Getter */
public boolean shouldRestoreInstanceState() {
return mRestoreInstanceState;
}
public void setRestoreInstanceState(boolean restoreInstanceState) {
mRestoreInstanceState = restoreInstanceState;
}
/** Getter */
public boolean shouldCallOnPostCreate() {
return mCallOnPostCreate;
}
public void setCallOnPostCreate(boolean callOnPostCreate) {
mCallOnPostCreate = callOnPostCreate;
}
public Bundle getOldState() {
return mOldState;
}
public void setOldState(Bundle oldState) {
mOldState = oldState;
}
public StopInfo getStopInfo() {
return mStopInfo;
}
public void setStopInfo(StopInfo stopInfo) {
mStopInfo = stopInfo;
}
/** Reports to server about activity stop. */
public static class StopInfo implements Runnable {
private static final String TAG = "ActivityStopInfo";
private ActivityClientRecord mActivity;
private Bundle mState;
private PersistableBundle mPersistentState;
private CharSequence mDescription;
public void setActivity(ActivityClientRecord activity) {
mActivity = activity;
}
public void setState(Bundle state) {
mState = state;
}
public void setPersistentState(PersistableBundle persistentState) {
mPersistentState = persistentState;
}
public void setDescription(CharSequence description) {
mDescription = description;
}
@Override
public void run() {
// Tell activity manager we have been stopped.
try {
if (DEBUG_MEMORY_TRIM) Slog.v(TAG, "Reporting activity stopped: " + mActivity);
// TODO(lifecycler): Use interface callback instead of AMS.
ActivityManager.getService().activityStopped(
mActivity.token, mState, mPersistentState, mDescription);
} catch (RemoteException ex) {
// Dump statistics about bundle to help developers debug
final LogWriter writer = new LogWriter(Log.WARN, TAG);
final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " ");
pw.println("Bundle stats:");
Bundle.dumpStats(pw, mState);
pw.println("PersistableBundle stats:");
Bundle.dumpStats(pw, mPersistentState);
if (ex instanceof TransactionTooLargeException
&& mActivity.loadedApk.getTargetSdkVersion() < Build.VERSION_CODES.N) {
Log.e(TAG, "App sent too much data in instance state, so it was ignored", ex);
return;
}
throw ex.rethrowFromSystemServer();
}
}
}
}
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