FaceUnlock.java revision 257f2ecc97d294e95b069547466d2054926d960f
19431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna/* 29431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * Copyright (C) 2011 The Android Open Source Project 39431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * 49431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * Licensed under the Apache License, Version 2.0 (the "License"); 59431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * you may not use this file except in compliance with the License. 69431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * You may obtain a copy of the License at 79431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * 89431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * http://www.apache.org/licenses/LICENSE-2.0 99431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * 109431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * Unless required by applicable law or agreed to in writing, software 119431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * distributed under the License is distributed on an "AS IS" BASIS, 129431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * See the License for the specific language governing permissions and 149431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna * limitations under the License. 159431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna */ 169431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 179431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnapackage com.android.internal.policy.impl; 189431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 199431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport com.android.internal.R; 209431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport com.android.internal.policy.IFaceLockCallback; 219431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport com.android.internal.policy.IFaceLockInterface; 229431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport com.android.internal.widget.LockPatternUtils; 239431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 243223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonnaimport android.app.admin.DevicePolicyManager; 259431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.content.ComponentName; 269431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.content.Context; 279431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.content.Intent; 289431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.content.ServiceConnection; 299431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.os.Handler; 309431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.os.IBinder; 319431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.os.Message; 329431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.os.RemoteException; 339431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.telephony.TelephonyManager; 349431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.util.Log; 359431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonnaimport android.view.View; 369431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 373223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonnapublic class FaceUnlock implements BiometricSensorUnlock, Handler.Callback { 389431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 399431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private static final boolean DEBUG = false; 409431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private static final String TAG = "FULLockscreen"; 419431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 429431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private final Context mContext; 43ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna private final LockPatternUtils mLockPatternUtils; 449431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private final KeyguardUpdateMonitor mUpdateMonitor; 459431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 46ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // TODO: is mServiceRunning needed or can we just use mIsRunning or check if mService is null? 47ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna private boolean mServiceRunning = false; 48257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // TODO: now that the code has been restructure to do almost all operations from a handler, this 49257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // lock may no longer be necessary. 50ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna private final Object mServiceRunningLock = new Object(); 519431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private IFaceLockInterface mService; 529431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private boolean mBoundToService = false; 53ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna private View mFaceUnlockView; 549431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 559431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private Handler mHandler; 56257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_SHOW_FACE_UNLOCK_VIEW = 0; 57257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_HIDE_FACE_UNLOCK_VIEW = 1; 58257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_SERVICE_CONNECTED = 2; 59257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_SERVICE_DISCONNECTED = 3; 60257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_UNLOCK = 4; 61257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_CANCEL = 5; 62257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_REPORT_FAILED_ATTEMPT = 6; 63257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_EXPOSE_FALLBACK = 7; 64257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int MSG_POKE_WAKELOCK = 8; 659431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 66ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // TODO: This was added for the purpose of adhering to what the biometric interface expects 67ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // the isRunning() function to return. However, it is probably not necessary to have both 68ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // mRunning and mServiceRunning. I'd just rather wait to change that logic. 69257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private volatile boolean mIsRunning = false; 709431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 719431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna // Long enough to stay visible while the service starts 729431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna // Short enough to not have to wait long for backup if service fails to start or crashes 739431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna // The service can take a couple of seconds to start on the first try after boot 74257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private final int SERVICE_STARTUP_VIEW_TIMEOUT = 3000; 759431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 76ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // So the user has a consistent amount of time when brought to the backup method from Face 77ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // Unlock 789431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private final int BACKUP_LOCK_TIMEOUT = 5000; 799431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 809431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna KeyguardScreenCallback mKeyguardScreenCallback; 819431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 82257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 83257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Stores some of the structures that Face Unlock will need to access and creates the handler 84257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * will be used to execute messages on the UI thread. 85257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 869431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public FaceUnlock(Context context, KeyguardUpdateMonitor updateMonitor, 879431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna LockPatternUtils lockPatternUtils, KeyguardScreenCallback keyguardScreenCallback) { 889431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna mContext = context; 899431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna mUpdateMonitor = updateMonitor; 909431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna mLockPatternUtils = lockPatternUtils; 919431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna mKeyguardScreenCallback = keyguardScreenCallback; 929431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna mHandler = new Handler(this); 939431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 949431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 95ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 96ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Stores and displays the view that Face Unlock is allowed to draw within. 97ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * TODO: since the layout object will eventually be shared by multiple biometric unlock 98ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * methods, we will have to add our other views (background, cancel button) here. 99ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 100ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna public void initializeView(View biometricUnlockView) { 101257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.d(TAG, "initializeView()"); 102ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mFaceUnlockView = biometricUnlockView; 103ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna show(0); 104ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } 105ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna 106ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 107ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Indicates whether Face Unlock is currently running. 108ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 1093223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna public boolean isRunning() { 110ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna return mIsRunning; 1113223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } 1123223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna 113ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 114ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Sets the Face Unlock view to visible, hiding it after the specified amount of time. If 115ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * timeoutMillis is 0, no hide is performed. 116ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 1173223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna public void show(long timeoutMillis) { 118257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "show()"); 119257f2ecc97d294e95b069547466d2054926d960fBrian Colonna removeDisplayMessages(); 120ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (mFaceUnlockView != null) { 121ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mFaceUnlockView.setVisibility(View.VISIBLE); 122ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } 123ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (timeoutMillis > 0) { 124257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessageDelayed(MSG_HIDE_FACE_UNLOCK_VIEW, timeoutMillis); 125ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } 1263223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } 1273223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna 128ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 129ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Hides the Face Unlock view. 130ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 1313223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna public void hide() { 132257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "hide()"); 1333223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna // Remove messages to prevent a delayed show message from undo-ing the hide 134257f2ecc97d294e95b069547466d2054926d960fBrian Colonna removeDisplayMessages(); 135257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_HIDE_FACE_UNLOCK_VIEW); 1363223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } 1373223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna 138ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 139ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Binds to the Face Unlock service. Face Unlock will be started when the bind completes. The 140257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Face Unlock view is displayed to hide the backup lock while the service is starting up. 141ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 142ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna public boolean start() { 143257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "start()"); 144ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (mIsRunning) { 145ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna Log.w(TAG, "start() called when already running"); 146ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } 147ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna 148ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // Show Face Unlock view, but only for a little bit so lockpattern will become visible if 149ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // Face Unlock fails to start or crashes 150ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // This must show before bind to guarantee that Face Unlock has a place to display 151257f2ecc97d294e95b069547466d2054926d960fBrian Colonna show(SERVICE_STARTUP_VIEW_TIMEOUT); 152ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (!mBoundToService) { 153257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.d(TAG, "Binding to Face Unlock service"); 154ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mContext.bindService(new Intent(IFaceLockInterface.class.getName()), 155ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mConnection, 156ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna Context.BIND_AUTO_CREATE, 157ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mLockPatternUtils.getCurrentUser()); 158ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mBoundToService = true; 159ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } else { 160ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna Log.w(TAG, "Attempt to bind to Face Unlock when already bound"); 161ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } 162ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna 163ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // When switching between portrait and landscape view while Face Unlock is running, the 164ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // screen will eventually go dark unless we poke the wakelock when Face Unlock is 165ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // restarted 166ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mKeyguardScreenCallback.pokeWakelock(); 167ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna 168ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mIsRunning = true; 169ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna return true; 170ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna } 171ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna 172ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 173ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Stops Face Unlock and unbinds from the service. 174ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 1753223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna public boolean stop() { 176257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "stop()"); 177ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna boolean mWasRunning = mIsRunning; 178c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna stopUi(); 179c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna 180c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna if (mBoundToService) { 181c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna if (mService != null) { 182c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna try { 183ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mService.unregisterCallback(mFaceUnlockCallback); 184c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna } catch (RemoteException e) { 185c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna // Not much we can do 1863223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } 1879431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 188257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.d(TAG, "Unbinding from Face Unlock service"); 189c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mContext.unbindService(mConnection); 190c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mBoundToService = false; 191c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna } else { 192c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna // This is usually not an error when this happens. Sometimes we will tell it to 193c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna // unbind multiple times because it's called from both onWindowFocusChanged and 194c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna // onDetachedFromWindow. 195ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "Attempt to unbind from Face Unlock when not bound"); 1969431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 197ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mIsRunning = false; 198ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna return mWasRunning; 1999431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 2009431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 2013223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna /** 202ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Frees up resources used by Face Unlock and stops it if it is still running. 2033223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna */ 2043223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna public void cleanUp() { 205257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "cleanUp()"); 2063223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna if (mService != null) { 2073223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna try { 208ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna mService.unregisterCallback(mFaceUnlockCallback); 2093223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } catch (RemoteException e) { 2103223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna // Not much we can do 2113223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } 2123223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna stopUi(); 2133223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna mService = null; 2149431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 2153223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna } 2163223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna 217ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 218ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna * Returns the Device Policy Manager quality for Face Unlock, which is BIOMETRIC_WEAK. 219ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 2203223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna public int getQuality() { 2213223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna return DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK; 2229431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 2239431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 224ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 225257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Handles messages such that everything happens on the UI thread in a deterministic order. 226257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Calls from the Face Unlock service come from binder threads. Calls from lockscreen typically 227257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * come from the UI thread. This makes sure there are no race conditions between those calls. 228ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 2299431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 2309431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public boolean handleMessage(Message msg) { 2319431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna switch (msg.what) { 232257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_SHOW_FACE_UNLOCK_VIEW: 233257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleShowFaceUnlockView(); 234257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 235257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_HIDE_FACE_UNLOCK_VIEW: 236257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleHideFaceUnlockView(); 237257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 238257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_SERVICE_CONNECTED: 239257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleServiceConnected(); 240257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 241257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_SERVICE_DISCONNECTED: 242257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleServiceDisconnected(); 243257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 244257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_UNLOCK: 245257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleUnlock(); 246257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 247257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_CANCEL: 248257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleCancel(); 249257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 250257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_REPORT_FAILED_ATTEMPT: 251257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleReportFailedAttempt(); 252257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 253257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_EXPOSE_FALLBACK: 254257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handleExposeFallback(); 255257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 256257f2ecc97d294e95b069547466d2054926d960fBrian Colonna case MSG_POKE_WAKELOCK: 257257f2ecc97d294e95b069547466d2054926d960fBrian Colonna handlePokeWakelock(); 258257f2ecc97d294e95b069547466d2054926d960fBrian Colonna break; 259257f2ecc97d294e95b069547466d2054926d960fBrian Colonna default: 260257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "Unhandled message"); 261257f2ecc97d294e95b069547466d2054926d960fBrian Colonna return false; 2629431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 2639431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna return true; 2649431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 2659431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 266ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 267257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Sets the Face Unlock view to visible, thus covering the backup lock. 268257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 269257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleShowFaceUnlockView() { 270257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleShowFaceUnlockView()"); 271257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 272257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.setVisibility(View.VISIBLE); 273257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 274257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "mFaceUnlockView is null in handleShowFaceUnlockView()"); 275257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 276257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 277257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 278257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 279257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Sets the Face Unlock view to invisible, thus exposing the backup lock. 280257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 281257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleHideFaceUnlockView() { 282257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleHideFaceUnlockView()"); 283257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 284257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.setVisibility(View.INVISIBLE); 285257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 286257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "mFaceUnlockView is null in handleHideFaceUnlockView()"); 287257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 288257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 289257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 290257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 291257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Tells the service to start its UI via an AIDL interface. Called when the 292257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * onServiceConnected() callback is received. 293257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 294257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleServiceConnected() { 295257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleServiceConnected()"); 296257f2ecc97d294e95b069547466d2054926d960fBrian Colonna try { 297257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mService.registerCallback(mFaceUnlockCallback); 298257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } catch (RemoteException e) { 299257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "Caught exception connecting to Face Unlock: " + e.toString()); 300257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mService = null; 301257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mBoundToService = false; 302257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mIsRunning = false; 303257f2ecc97d294e95b069547466d2054926d960fBrian Colonna return; 304257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 305257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 306257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 307257f2ecc97d294e95b069547466d2054926d960fBrian Colonna IBinder windowToken = mFaceUnlockView.getWindowToken(); 308257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (windowToken != null) { 309257f2ecc97d294e95b069547466d2054926d960fBrian Colonna int[] position; 310257f2ecc97d294e95b069547466d2054926d960fBrian Colonna position = new int[2]; 311257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.getLocationInWindow(position); 312257f2ecc97d294e95b069547466d2054926d960fBrian Colonna startUi(windowToken, position[0], position[1], mFaceUnlockView.getWidth(), 313257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.getHeight()); 314257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 315257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "windowToken is null in handleServiceConnected()"); 316257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 317257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 318257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 319257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 320257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 321257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when the onServiceDisconnected() callback is received. This should not happen during 322257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * normal operation. It indicates an error has occurred. 323257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 324257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleServiceDisconnected() { 325257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "handleServiceDisconnected()"); 326257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // TODO: this lock may no longer be needed now that everything is being called from a 327257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // handler 328257f2ecc97d294e95b069547466d2054926d960fBrian Colonna synchronized (mServiceRunningLock) { 329257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mService = null; 330257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mServiceRunning = false; 331257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 332257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mBoundToService = false; 333257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mIsRunning = false; 334257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 335257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 336257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 337257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Stops the Face Unlock service and tells the device to grant access to the user. Shows the 338257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Face Unlock view to keep the backup lock covered while the device unlocks. 339257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 340257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleUnlock() { 341257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleUnlock()"); 342257f2ecc97d294e95b069547466d2054926d960fBrian Colonna removeDisplayMessages(); 343257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 344257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.setVisibility(View.VISIBLE); 345257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 346257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "mFaceUnlockView is null in handleUnlock()"); 347257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 348257f2ecc97d294e95b069547466d2054926d960fBrian Colonna stop(); 349257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mKeyguardScreenCallback.keyguardDone(true); 350257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mKeyguardScreenCallback.reportSuccessfulUnlockAttempt(); 351257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 352257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 353257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 354257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Stops the Face Unlock service and exposes the backup lock. Called when the user presses the 355257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * cancel button to skip Face Unlock or no face is detected. 356257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 357257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleCancel() { 358257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleCancel()"); 359257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 360257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.setVisibility(View.INVISIBLE); 361257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 362257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "mFaceUnlockView is null in handleCancel()"); 363257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 364257f2ecc97d294e95b069547466d2054926d960fBrian Colonna stop(); 365257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mKeyguardScreenCallback.pokeWakelock(BACKUP_LOCK_TIMEOUT); 366257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 367257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 368257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 369257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Stops the Face Unlock service and exposes the backup lock, reporting a failed unlock attempt. 370257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when Face Unlock denies access to the user. 371257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 372257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleReportFailedAttempt() { 373257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleReportFailedAttempt()"); 374257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mUpdateMonitor.reportFailedBiometricUnlockAttempt(); 375257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 376257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.setVisibility(View.INVISIBLE); 377257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 378257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "mFaceUnlockView is null in handleReportFailedAttempt()"); 379257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 380257f2ecc97d294e95b069547466d2054926d960fBrian Colonna stop(); 381257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mKeyguardScreenCallback.pokeWakelock(BACKUP_LOCK_TIMEOUT); 382257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 383257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 384257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 385257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Hides the Face Unlock view to expose the backup lock. Called when the Face Unlock service UI 386257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * is started, indicating there is no need to continue displaying the underlying view because 387257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * the service UI is now covering the backup lock. 388257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 389257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handleExposeFallback() { 390257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "handleExposeFallback()"); 391257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (mFaceUnlockView != null) { 392257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mFaceUnlockView.setVisibility(View.INVISIBLE); 393257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 394257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "mFaceUnlockView is null in handleExposeFallback()"); 395257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 396257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 397257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 398257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 399257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Pokes the wakelock to keep the screen alive and active. 400257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 401257f2ecc97d294e95b069547466d2054926d960fBrian Colonna void handlePokeWakelock() { 402257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mKeyguardScreenCallback.pokeWakelock(); 403257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } 404257f2ecc97d294e95b069547466d2054926d960fBrian Colonna 405257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 406257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Removes show and hide messages from the message queue. Called to prevent delayed show/hide 407257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * messages from undoing a new message. 408ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 409257f2ecc97d294e95b069547466d2054926d960fBrian Colonna private void removeDisplayMessages() { 410257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.removeMessages(MSG_SHOW_FACE_UNLOCK_VIEW); 411257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.removeMessages(MSG_HIDE_FACE_UNLOCK_VIEW); 4129431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4139431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 414257f2ecc97d294e95b069547466d2054926d960fBrian Colonna /** 415257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Implements service connection methods. 416257f2ecc97d294e95b069547466d2054926d960fBrian Colonna */ 4179431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna private ServiceConnection mConnection = new ServiceConnection() { 418ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 419257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when the Face Unlock service connects after calling bind(). 420ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 4219431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 4229431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void onServiceConnected(ComponentName className, IBinder iservice) { 423257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.d(TAG, "Connected to Face Unlock service"); 4249431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna mService = IFaceLockInterface.Stub.asInterface(iservice); 425257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_SERVICE_CONNECTED); 4269431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4279431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 428ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 429257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called if the Face Unlock service unexpectedly disconnects. This indicates an error. 430ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 4319431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 4329431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void onServiceDisconnected(ComponentName className) { 433257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.e(TAG, "Unexpected disconnect from Face Unlock service"); 434257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_SERVICE_DISCONNECTED); 4359431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4369431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna }; 4379431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 438ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 439257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Tells the Face Unlock service to start displaying its UI and start processing. 440ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 4413223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna private void startUi(IBinder windowToken, int x, int y, int w, int h) { 442257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "startUi()"); 443c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna synchronized (mServiceRunningLock) { 444c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna if (!mServiceRunning) { 445ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "Starting Face Unlock"); 446c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna try { 447c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mService.startUi(windowToken, x, y, w, h, 448c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mLockPatternUtils.isBiometricWeakLivelinessEnabled()); 449c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna } catch (RemoteException e) { 450ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna Log.e(TAG, "Caught exception starting Face Unlock: " + e.toString()); 451c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna return; 4529431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 453c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mServiceRunning = true; 454c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna } else { 455257f2ecc97d294e95b069547466d2054926d960fBrian Colonna Log.w(TAG, "startUi() attempted while running"); 4569431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4579431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4589431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4599431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 460ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 461257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Tells the Face Unlock service to stop displaying its UI and stop processing. 462ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 4633223e2537d5f4e2eceeb321405dbd6da50df66b6Brian Colonna private void stopUi() { 464257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "stopUi()"); 465ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // Note that attempting to stop Face Unlock when it's not running is not an issue. 466ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna // Face Unlock can return, which stops it and then we try to stop it when the 467c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna // screen is turned off. That's why we check. 468c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna synchronized (mServiceRunningLock) { 469c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna if (mServiceRunning) { 470257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "Stopping Face Unlock"); 471c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna try { 472c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mService.stopUi(); 473c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna } catch (RemoteException e) { 474ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna Log.e(TAG, "Caught exception stopping Face Unlock: " + e.toString()); 4759431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 476c169366f2cc44fc395dba76c763505ac2bd61640Brian Colonna mServiceRunning = false; 477257f2ecc97d294e95b069547466d2054926d960fBrian Colonna } else { 478257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // This is usually not an error when this happens. Sometimes we will tell it to 479257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // stop multiple times because it's called from both onWindowFocusChanged and 480257f2ecc97d294e95b069547466d2054926d960fBrian Colonna // onDetachedFromWindow. 481257f2ecc97d294e95b069547466d2054926d960fBrian Colonna if (DEBUG) Log.d(TAG, "stopUi() attempted while not running"); 4829431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4839431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4849431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4859431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 486ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 487257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Implements the AIDL biometric unlock service callback interface. 488ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 489ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna private final IFaceLockCallback mFaceUnlockCallback = new IFaceLockCallback.Stub() { 490ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 491257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when Face Unlock wants to grant access to the user. 492ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 4939431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 4949431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void unlock() { 495ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "unlock()"); 496257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_UNLOCK); 4979431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 4989431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 499ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 500257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when the user presses cancel to skip Face Unlock or a face cannot be found. 501ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 5029431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 5039431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void cancel() { 504ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "cancel()"); 505257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_CANCEL); 5069431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 5079431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 508ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 509257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when Face Unlock denies access to the user. 510ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 5119431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 5129431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void reportFailedAttempt() { 513ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "reportFailedAttempt()"); 514257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_REPORT_FAILED_ATTEMPT); 5159431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 5169431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 517ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 518257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when the Face Unlock service starts displaying the UI, indicating that the backup 519257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * unlock can be exposed because the Face Unlock service is now covering the backup with its 520257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * UI. 521ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna **/ 5229431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 5239431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void exposeFallback() { 524ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "exposeFallback()"); 525257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_EXPOSE_FALLBACK); 5269431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 5279431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna 528ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna /** 529257f2ecc97d294e95b069547466d2054926d960fBrian Colonna * Called when Face Unlock wants to keep the screen alive and active. 530ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna */ 5319431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna @Override 5329431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna public void pokeWakelock() { 533ea8441e22a4316cb6e78dd8bf461d3e658545b64Brian Colonna if (DEBUG) Log.d(TAG, "pokeWakelock()"); 534257f2ecc97d294e95b069547466d2054926d960fBrian Colonna mHandler.sendEmptyMessage(MSG_POKE_WAKELOCK); 5359431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna } 5369431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna }; 5379431366ecb4b6e4a87c0047c36548aa0bc23f2b1Brian Colonna} 538