| /* |
| * Copyright (C) 2014 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.keyguard; |
| |
| import android.app.Service; |
| import android.content.Intent; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.IBinder; |
| import android.os.Process; |
| import android.os.Trace; |
| import android.util.Log; |
| |
| import com.android.internal.policy.IKeyguardDrawnCallback; |
| import com.android.internal.policy.IKeyguardExitCallback; |
| import com.android.internal.policy.IKeyguardService; |
| import com.android.internal.policy.IKeyguardStateCallback; |
| import com.android.systemui.SystemUIApplication; |
| |
| import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
| |
| public class KeyguardService extends Service { |
| static final String TAG = "KeyguardService"; |
| static final String PERMISSION = android.Manifest.permission.CONTROL_KEYGUARD; |
| |
| private KeyguardViewMediator mKeyguardViewMediator; |
| |
| @Override |
| public void onCreate() { |
| ((SystemUIApplication) getApplication()).startServicesIfNeeded(); |
| mKeyguardViewMediator = |
| ((SystemUIApplication) getApplication()).getComponent(KeyguardViewMediator.class); |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| return mBinder; |
| } |
| |
| void checkPermission() { |
| // Avoid deadlock by avoiding calling back into the system process. |
| if (Binder.getCallingUid() == Process.SYSTEM_UID) return; |
| |
| // Otherwise,explicitly check for caller permission ... |
| if (getBaseContext().checkCallingOrSelfPermission(PERMISSION) != PERMISSION_GRANTED) { |
| Log.w(TAG, "Caller needs permission '" + PERMISSION + "' to call " + Debug.getCaller()); |
| throw new SecurityException("Access denied to process: " + Binder.getCallingPid() |
| + ", must have permission " + PERMISSION); |
| } |
| } |
| |
| private final IKeyguardService.Stub mBinder = new IKeyguardService.Stub() { |
| |
| @Override // Binder interface |
| public void addStateMonitorCallback(IKeyguardStateCallback callback) { |
| checkPermission(); |
| mKeyguardViewMediator.addStateMonitorCallback(callback); |
| } |
| |
| @Override // Binder interface |
| public void verifyUnlock(IKeyguardExitCallback callback) { |
| Trace.beginSection("KeyguardService.mBinder#verifyUnlock"); |
| checkPermission(); |
| mKeyguardViewMediator.verifyUnlock(callback); |
| Trace.endSection(); |
| } |
| |
| @Override // Binder interface |
| public void setOccluded(boolean isOccluded, boolean animate) { |
| Trace.beginSection("KeyguardService.mBinder#setOccluded"); |
| checkPermission(); |
| mKeyguardViewMediator.setOccluded(isOccluded, animate); |
| Trace.endSection(); |
| } |
| |
| @Override // Binder interface |
| public void dismiss(boolean allowWhileOccluded) { |
| checkPermission(); |
| mKeyguardViewMediator.dismiss(allowWhileOccluded); |
| } |
| |
| @Override // Binder interface |
| public void onDreamingStarted() { |
| checkPermission(); |
| mKeyguardViewMediator.onDreamingStarted(); |
| } |
| |
| @Override // Binder interface |
| public void onDreamingStopped() { |
| checkPermission(); |
| mKeyguardViewMediator.onDreamingStopped(); |
| } |
| |
| @Override // Binder interface |
| public void onStartedGoingToSleep(int reason) { |
| checkPermission(); |
| mKeyguardViewMediator.onStartedGoingToSleep(reason); |
| } |
| |
| @Override // Binder interface |
| public void onFinishedGoingToSleep(int reason, boolean cameraGestureTriggered) { |
| checkPermission(); |
| mKeyguardViewMediator.onFinishedGoingToSleep(reason, cameraGestureTriggered); |
| } |
| |
| @Override // Binder interface |
| public void onStartedWakingUp() { |
| Trace.beginSection("KeyguardService.mBinder#onStartedWakingUp"); |
| checkPermission(); |
| mKeyguardViewMediator.onStartedWakingUp(); |
| Trace.endSection(); |
| } |
| |
| @Override // Binder interface |
| public void onScreenTurningOn(IKeyguardDrawnCallback callback) { |
| Trace.beginSection("KeyguardService.mBinder#onScreenTurningOn"); |
| checkPermission(); |
| mKeyguardViewMediator.onScreenTurningOn(callback); |
| Trace.endSection(); |
| } |
| |
| @Override // Binder interface |
| public void onScreenTurnedOn() { |
| Trace.beginSection("KeyguardService.mBinder#onScreenTurningOn"); |
| checkPermission(); |
| mKeyguardViewMediator.onScreenTurnedOn(); |
| Trace.endSection(); |
| } |
| |
| @Override // Binder interface |
| public void onScreenTurnedOff() { |
| checkPermission(); |
| mKeyguardViewMediator.onScreenTurnedOff(); |
| } |
| |
| @Override // Binder interface |
| public void setKeyguardEnabled(boolean enabled) { |
| checkPermission(); |
| mKeyguardViewMediator.setKeyguardEnabled(enabled); |
| } |
| |
| @Override // Binder interface |
| public void onSystemReady() { |
| Trace.beginSection("KeyguardService.mBinder#onSystemReady"); |
| checkPermission(); |
| mKeyguardViewMediator.onSystemReady(); |
| Trace.endSection(); |
| } |
| |
| @Override // Binder interface |
| public void doKeyguardTimeout(Bundle options) { |
| checkPermission(); |
| mKeyguardViewMediator.doKeyguardTimeout(options); |
| } |
| |
| @Override // Binder interface |
| public void setSwitchingUser(boolean switching) { |
| checkPermission(); |
| mKeyguardViewMediator.setSwitchingUser(switching); |
| } |
| |
| @Override // Binder interface |
| public void setCurrentUser(int userId) { |
| checkPermission(); |
| mKeyguardViewMediator.setCurrentUser(userId); |
| } |
| |
| @Override |
| public void onBootCompleted() { |
| checkPermission(); |
| mKeyguardViewMediator.onBootCompleted(); |
| } |
| |
| @Override |
| public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { |
| Trace.beginSection("KeyguardService.mBinder#startKeyguardExitAnimation"); |
| checkPermission(); |
| mKeyguardViewMediator.startKeyguardExitAnimation(startTime, fadeoutDuration); |
| Trace.endSection(); |
| } |
| }; |
| } |
| |