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/*
* 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.util.Log;
import android.view.MotionEvent;
import com.android.internal.policy.IKeyguardExitCallback;
import com.android.internal.policy.IKeyguardService;
import com.android.internal.policy.IKeyguardServiceConstants;
import com.android.internal.policy.IKeyguardShowCallback;
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() {
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() {
private boolean mIsOccluded;
@Override
public boolean isShowing() {
return mKeyguardViewMediator.isShowing();
}
@Override
public boolean isSecure() {
return mKeyguardViewMediator.isSecure();
}
@Override
public boolean isShowingAndNotOccluded() {
return mKeyguardViewMediator.isShowingAndNotOccluded();
}
@Override
public boolean isInputRestricted() {
return mKeyguardViewMediator.isInputRestricted();
}
@Override
public void verifyUnlock(IKeyguardExitCallback callback) {
checkPermission();
mKeyguardViewMediator.verifyUnlock(callback);
}
@Override
public void keyguardDone(boolean authenticated, boolean wakeup) {
checkPermission();
mKeyguardViewMediator.keyguardDone(authenticated, wakeup);
}
@Override
public int setOccluded(boolean isOccluded) {
checkPermission();
synchronized (this) {
int result;
if (isOccluded && mKeyguardViewMediator.isShowing()
&& !mIsOccluded) {
result = IKeyguardServiceConstants
.KEYGUARD_SERVICE_SET_OCCLUDED_RESULT_UNSET_FLAGS;
} else if (!isOccluded && mKeyguardViewMediator.isShowing()
&& mIsOccluded) {
result = IKeyguardServiceConstants
.KEYGUARD_SERVICE_SET_OCCLUDED_RESULT_SET_FLAGS;
} else {
result = IKeyguardServiceConstants.KEYGUARD_SERVICE_SET_OCCLUDED_RESULT_NONE;
}
if (mIsOccluded != isOccluded) {
mKeyguardViewMediator.setOccluded(isOccluded);
// Cache the value so we always have a fresh view in whether Keyguard is occluded.
// If we would just call mKeyguardViewMediator.isOccluded(), this might be stale
// because that value gets updated in another thread.
mIsOccluded = isOccluded;
}
return result;
}
}
@Override
public void dismiss() {
checkPermission();
mKeyguardViewMediator.dismiss();
}
@Override
public void onDreamingStarted() {
checkPermission();
mKeyguardViewMediator.onDreamingStarted();
}
@Override
public void onDreamingStopped() {
checkPermission();
mKeyguardViewMediator.onDreamingStopped();
}
@Override
public void onScreenTurnedOff(int reason) {
checkPermission();
mKeyguardViewMediator.onScreenTurnedOff(reason);
}
@Override
public void onScreenTurnedOn(IKeyguardShowCallback callback) {
checkPermission();
mKeyguardViewMediator.onScreenTurnedOn(callback);
}
@Override
public void setKeyguardEnabled(boolean enabled) {
checkPermission();
mKeyguardViewMediator.setKeyguardEnabled(enabled);
}
@Override
public boolean isDismissable() {
return mKeyguardViewMediator.isDismissable();
}
@Override
public void onSystemReady() {
checkPermission();
mKeyguardViewMediator.onSystemReady();
}
@Override
public void doKeyguardTimeout(Bundle options) {
checkPermission();
mKeyguardViewMediator.doKeyguardTimeout(options);
}
@Override
public void setCurrentUser(int userId) {
checkPermission();
mKeyguardViewMediator.setCurrentUser(userId);
}
@Override
public void showAssistant() {
checkPermission();
}
@Override
public void dispatch(MotionEvent event) {
checkPermission();
}
@Override
public void launchCamera() {
checkPermission();
}
@Override
public void onBootCompleted() {
checkPermission();
mKeyguardViewMediator.onBootCompleted();
}
@Override
public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
checkPermission();
mKeyguardViewMediator.startKeyguardExitAnimation(startTime, fadeoutDuration);
}
};
}
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