1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.keyguard; 18 19 import java.io.FileDescriptor; 20 import java.io.PrintWriter; 21 22 import android.app.Service; 23 import android.content.Intent; 24 import static android.content.pm.PackageManager.PERMISSION_GRANTED; 25 26 import android.os.Binder; 27 import android.os.Bundle; 28 import android.os.Debug; 29 import android.os.IBinder; 30 import android.util.Log; 31 import android.view.MotionEvent; 32 33 import com.android.internal.policy.IKeyguardService; 34 import com.android.internal.policy.IKeyguardExitCallback; 35 import com.android.internal.policy.IKeyguardShowCallback; 36 import com.android.internal.widget.LockPatternUtils; 37 38 public class KeyguardService extends Service { 39 static final String TAG = "KeyguardService"; 40 static final String PERMISSION = android.Manifest.permission.CONTROL_KEYGUARD; 41 private KeyguardViewMediator mKeyguardViewMediator; 42 43 @Override 44 public void onCreate() { 45 if (mKeyguardViewMediator == null) { 46 mKeyguardViewMediator = new KeyguardViewMediator( 47 KeyguardService.this, new LockPatternUtils(KeyguardService.this)); 48 } 49 Log.v(TAG, "onCreate()"); 50 } 51 52 @Override 53 public IBinder onBind(Intent intent) { 54 return mBinder; 55 } 56 57 @Override 58 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 59 // TODO 60 } 61 62 void checkPermission() { 63 if (getBaseContext().checkCallingOrSelfPermission(PERMISSION) != PERMISSION_GRANTED) { 64 Log.w(TAG, "Caller needs permission '" + PERMISSION + "' to call " + Debug.getCaller()); 65 throw new SecurityException("Access denied to process: " + Binder.getCallingPid() 66 + ", must have permission " + PERMISSION); 67 } 68 } 69 70 private final IKeyguardService.Stub mBinder = new IKeyguardService.Stub() { 71 public boolean isShowing() { 72 return mKeyguardViewMediator.isShowing(); 73 } 74 public boolean isSecure() { 75 return mKeyguardViewMediator.isSecure(); 76 } 77 public boolean isShowingAndNotHidden() { 78 return mKeyguardViewMediator.isShowingAndNotHidden(); 79 } 80 public boolean isInputRestricted() { 81 return mKeyguardViewMediator.isInputRestricted(); 82 } 83 public void verifyUnlock(IKeyguardExitCallback callback) { 84 mKeyguardViewMediator.verifyUnlock(callback); 85 } 86 public void keyguardDone(boolean authenticated, boolean wakeup) { 87 checkPermission(); 88 mKeyguardViewMediator.keyguardDone(authenticated, wakeup); 89 } 90 public void setHidden(boolean isHidden) { 91 checkPermission(); 92 mKeyguardViewMediator.setHidden(isHidden); 93 } 94 public void dismiss() { 95 mKeyguardViewMediator.dismiss(); 96 } 97 public void onDreamingStarted() { 98 checkPermission(); 99 mKeyguardViewMediator.onDreamingStarted(); 100 } 101 public void onDreamingStopped() { 102 checkPermission(); 103 mKeyguardViewMediator.onDreamingStopped(); 104 } 105 public void onScreenTurnedOff(int reason) { 106 checkPermission(); 107 mKeyguardViewMediator.onScreenTurnedOff(reason); 108 } 109 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 110 checkPermission(); 111 mKeyguardViewMediator.onScreenTurnedOn(callback); 112 } 113 public void setKeyguardEnabled(boolean enabled) { 114 checkPermission(); 115 mKeyguardViewMediator.setKeyguardEnabled(enabled); 116 } 117 public boolean isDismissable() { 118 return mKeyguardViewMediator.isDismissable(); 119 } 120 public void onSystemReady() { 121 checkPermission(); 122 mKeyguardViewMediator.onSystemReady(); 123 } 124 public void doKeyguardTimeout(Bundle options) { 125 checkPermission(); 126 mKeyguardViewMediator.doKeyguardTimeout(options); 127 } 128 public void setCurrentUser(int userId) { 129 checkPermission(); 130 mKeyguardViewMediator.setCurrentUser(userId); 131 } 132 public void showAssistant() { 133 checkPermission(); 134 mKeyguardViewMediator.showAssistant(); 135 } 136 public void dispatch(MotionEvent event) { 137 checkPermission(); 138 mKeyguardViewMediator.dispatch(event); 139 } 140 public void launchCamera() { 141 checkPermission(); 142 mKeyguardViewMediator.launchCamera(); 143 } 144 public void onBootCompleted() { 145 checkPermission(); 146 mKeyguardViewMediator.onBootCompleted(); 147 } 148 }; 149 150 } 151 152