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/*
* Copyright (C) 2016 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 com.android.systemui;
import static android.os.PowerManager.WAKE_REASON_UNKNOWN;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.hardware.biometrics.BiometricSourceType;
import android.os.Build;
import android.os.PowerManager;
import android.os.SystemClock;
import com.android.internal.util.LatencyTracker;
import com.android.keyguard.KeyguardUpdateMonitor;
import com.android.systemui.broadcast.BroadcastDispatcher;
import com.android.systemui.dagger.SysUISingleton;
import com.android.systemui.statusbar.phone.BiometricUnlockController;
import javax.inject.Inject;
/**
* Class that only runs on debuggable builds that listens to broadcasts that simulate actions in the
* system that are used for testing the latency.
*/
@SysUISingleton
public class LatencyTester extends SystemUI {
private static final String
ACTION_FINGERPRINT_WAKE =
"com.android.systemui.latency.ACTION_FINGERPRINT_WAKE";
private static final String
ACTION_TURN_ON_SCREEN =
"com.android.systemui.latency.ACTION_TURN_ON_SCREEN";
private final BiometricUnlockController mBiometricUnlockController;
private final PowerManager mPowerManager;
private final BroadcastDispatcher mBroadcastDispatcher;
@Inject
public LatencyTester(Context context, BiometricUnlockController biometricUnlockController,
PowerManager powerManager, BroadcastDispatcher broadcastDispatcher) {
super(context);
mBiometricUnlockController = biometricUnlockController;
mPowerManager = powerManager;
mBroadcastDispatcher = broadcastDispatcher;
}
@Override
public void start() {
if (!Build.IS_DEBUGGABLE) {
return;
}
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_FINGERPRINT_WAKE);
filter.addAction(ACTION_TURN_ON_SCREEN);
mBroadcastDispatcher.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (ACTION_FINGERPRINT_WAKE.equals(action)) {
fakeWakeAndUnlock();
} else if (ACTION_TURN_ON_SCREEN.equals(action)) {
fakeTurnOnScreen();
}
}
}, filter);
}
private void fakeTurnOnScreen() {
if (LatencyTracker.isEnabled(mContext)) {
LatencyTracker.getInstance(mContext).onActionStart(
LatencyTracker.ACTION_TURN_ON_SCREEN);
}
mPowerManager.wakeUp(
SystemClock.uptimeMillis(), WAKE_REASON_UNKNOWN, "android.policy:LATENCY_TESTS");
}
private void fakeWakeAndUnlock() {
mBiometricUnlockController.onBiometricAcquired(BiometricSourceType.FINGERPRINT);
mBiometricUnlockController.onBiometricAuthenticated(
KeyguardUpdateMonitor.getCurrentUser(), BiometricSourceType.FINGERPRINT,
true /* isStrongBiometric */);
}
}
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