/* * 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 static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; import static android.view.Display.INVALID_DISPLAY; import static com.android.internal.telephony.IccCardConstants.State.ABSENT; import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_USER_REQUEST; import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_LOCKOUT; import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_TIMEOUT; import android.app.Activity; import android.app.ActivityManager; import android.app.AlarmManager; import android.app.PendingIntent; import android.app.StatusBarManager; import android.app.trust.TrustManager; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.UserInfo; import android.media.AudioManager; import android.media.SoundPool; import android.os.Bundle; import android.os.DeadObjectException; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.os.PowerManager; import android.os.RemoteException; import android.os.SystemClock; import android.os.SystemProperties; import android.os.Trace; import android.os.UserHandle; import android.os.UserManager; import android.provider.Settings; import android.provider.Settings.System; import android.telephony.SubscriptionManager; import android.telephony.TelephonyManager; import android.util.EventLog; import android.util.Log; import android.util.Slog; import android.view.ViewGroup; import android.view.WindowManagerPolicy; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import com.android.internal.logging.MetricsLogger; import com.android.internal.logging.nano.MetricsProto; import com.android.internal.policy.IKeyguardDismissCallback; import com.android.internal.policy.IKeyguardDrawnCallback; import com.android.internal.policy.IKeyguardExitCallback; import com.android.internal.policy.IKeyguardStateCallback; import com.android.internal.telephony.IccCardConstants; import com.android.internal.widget.LockPatternUtils; import com.android.keyguard.KeyguardConstants; import com.android.keyguard.KeyguardDisplayManager; import com.android.keyguard.KeyguardSecurityView; import com.android.keyguard.KeyguardUpdateMonitor; import com.android.keyguard.KeyguardUpdateMonitorCallback; import com.android.keyguard.LatencyTracker; import com.android.keyguard.ViewMediatorCallback; import com.android.systemui.Dependency; import com.android.systemui.SystemUI; import com.android.systemui.SystemUIFactory; import com.android.systemui.UiOffloadThread; import com.android.systemui.classifier.FalsingManager; import com.android.systemui.recents.Recents; import com.android.systemui.recents.misc.SystemServicesProxy; import com.android.systemui.statusbar.phone.FingerprintUnlockController; import com.android.systemui.statusbar.phone.StatusBar; import com.android.systemui.statusbar.phone.ScrimController; import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; import com.android.systemui.statusbar.phone.StatusBarWindowManager; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList; /** * Mediates requests related to the keyguard. This includes queries about the * state of the keyguard, power management events that effect whether the keyguard * should be shown or reset, callbacks to the phone window manager to notify * it of when the keyguard is showing, and events from the keyguard view itself * stating that the keyguard was succesfully unlocked. * * Note that the keyguard view is shown when the screen is off (as appropriate) * so that once the screen comes on, it will be ready immediately. * * Example queries about the keyguard: * - is {movement, key} one that should wake the keygaurd? * - is the keyguard showing? * - are input events restricted due to the state of the keyguard? * * Callbacks to the phone window manager: * - the keyguard is showing * * Example external events that translate to keyguard view changes: * - screen turned off -> reset the keyguard, and show it so it will be ready * next time the screen turns on * - keyboard is slid open -> if the keyguard is not secure, hide it * * Events from the keyguard view: * - user succesfully unlocked keyguard -> hide keyguard view, and no longer * restrict input events. * * Note: in addition to normal power managment events that effect the state of * whether the keyguard should be showing, external apps and services may request * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When * false, this will override all other conditions for turning on the keyguard. * * Threading and synchronization: * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, * and runs on its thread. The keyguard UI is created from that thread in the * constructor of this class. The apis may be called from other threads, including the * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. * Therefore, methods on this class are synchronized, and any action that is pointed * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI * thread of the keyguard. */ public class KeyguardViewMediator extends SystemUI { private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; private static final boolean DEBUG = KeyguardConstants.DEBUG; private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; private final static String TAG = "KeyguardViewMediator"; private static final String DELAYED_KEYGUARD_ACTION = "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; private static final String DELAYED_LOCK_PROFILE_ACTION = "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_LOCK"; // used for handler messages private static final int SHOW = 1; private static final int HIDE = 2; private static final int RESET = 3; private static final int VERIFY_UNLOCK = 4; private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 5; private static final int NOTIFY_SCREEN_TURNING_ON = 6; private static final int KEYGUARD_DONE = 7; private static final int KEYGUARD_DONE_DRAWING = 8; private static final int SET_OCCLUDED = 9; private static final int KEYGUARD_TIMEOUT = 10; private static final int DISMISS = 11; private static final int START_KEYGUARD_EXIT_ANIM = 12; private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 13; private static final int NOTIFY_STARTED_WAKING_UP = 14; private static final int NOTIFY_SCREEN_TURNED_ON = 15; private static final int NOTIFY_SCREEN_TURNED_OFF = 16; private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 17; private static final int SET_SWITCHING_USER = 18; /** * The default amount of time we stay awake (used for all key input) */ public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; /** * How long to wait after the screen turns off due to timeout before * turning on the keyguard (i.e, the user has this much time to turn * the screen back on without having to face the keyguard). */ private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; /** * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} * that is reenabling the keyguard. */ private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; /** * Boolean option for doKeyguardLocked/doKeyguardTimeout which, when set to true, forces the * keyguard to show even if it is disabled for the current user. */ public static final String OPTION_FORCE_SHOW = "force_show"; /** The stream type that the lock sounds are tied to. */ private int mUiSoundsStreamType; private AlarmManager mAlarmManager; private AudioManager mAudioManager; private StatusBarManager mStatusBarManager; private final UiOffloadThread mUiOffloadThread = Dependency.get(UiOffloadThread.class); private boolean mSystemReady; private boolean mBootCompleted; private boolean mBootSendUserPresent; private boolean mShuttingDown; /** High level access to the power manager for WakeLocks */ private PowerManager mPM; /** TrustManager for letting it know when we change visibility */ private TrustManager mTrustManager; /** * Used to keep the device awake while to ensure the keyguard finishes opening before * we sleep. */ private PowerManager.WakeLock mShowKeyguardWakeLock; private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; // these are protected by synchronized (this) /** * External apps (like the phone app) can tell us to disable the keygaurd. */ private boolean mExternallyEnabled = true; /** * Remember if an external call to {@link #setKeyguardEnabled} with value * false caused us to hide the keyguard, so that we need to reshow it once * the keygaurd is reenabled with another call with value true. */ private boolean mNeedToReshowWhenReenabled = false; // cached value of whether we are showing (need to know this to quickly // answer whether the input should be restricted) private boolean mShowing; // display id of the secondary display on which we have put a keyguard window private int mSecondaryDisplayShowing = INVALID_DISPLAY; /** Cached value of #isInputRestricted */ private boolean mInputRestricted; // true if the keyguard is hidden by another window private boolean mOccluded = false; /** * Helps remember whether the screen has turned on since the last time * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} */ private int mDelayedShowingSequence; /** * Simiar to {@link #mDelayedProfileShowingSequence}, but it is for profile case. */ private int mDelayedProfileShowingSequence; /** * If the user has disabled the keyguard, then requests to exit, this is * how we'll ultimately let them know whether it was successful. We use this * var being non-null as an indicator that there is an in progress request. */ private IKeyguardExitCallback mExitSecureCallback; private final DismissCallbackRegistry mDismissCallbackRegistry = new DismissCallbackRegistry(); // the properties of the keyguard private KeyguardUpdateMonitor mUpdateMonitor; private boolean mDeviceInteractive; private boolean mGoingToSleep; // last known state of the cellular connection private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; /** * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be * called. * */ private boolean mHiding; /** * we send this intent when the keyguard is dismissed. */ private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | Intent.FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS); /** * {@link #setKeyguardEnabled} waits on this condition when it reenables * the keyguard. */ private boolean mWaitingUntilKeyguardVisible = false; private LockPatternUtils mLockPatternUtils; private boolean mKeyguardDonePending = false; private boolean mHideAnimationRun = false; private boolean mHideAnimationRunning = false; private SoundPool mLockSounds; private int mLockSoundId; private int mUnlockSoundId; private int mTrustedSoundId; private int mLockSoundStreamId; /** * The animation used for hiding keyguard. This is used to fetch the animation timings if * WindowManager is not providing us with them. */ private Animation mHideAnimation; /** * The volume applied to the lock/unlock sounds. */ private float mLockSoundVolume; /** * For managing external displays */ private KeyguardDisplayManager mKeyguardDisplayManager; private final ArrayList mKeyguardStateCallbacks = new ArrayList<>(); /** * When starting going to sleep, we figured out that we need to reset Keyguard state and this * should be committed when finished going to sleep. */ private boolean mPendingReset; /** * When starting going to sleep, we figured out that we need to lock Keyguard and this should be * committed when finished going to sleep. */ private boolean mPendingLock; /** * Controller for showing individual "work challenge" lock screen windows inside managed profile * tasks when the current user has been unlocked but the profile is still locked. */ private WorkLockActivityController mWorkLockController; private boolean mLockLater; private boolean mWakeAndUnlocking; private IKeyguardDrawnCallback mDrawnCallback; private boolean mLockWhenSimRemoved; KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { @Override public void onUserSwitching(int userId) { // Note that the mLockPatternUtils user has already been updated from setCurrentUser. // We need to force a reset of the views, since lockNow (called by // ActivityManagerService) will not reconstruct the keyguard if it is already showing. synchronized (KeyguardViewMediator.this) { resetKeyguardDonePendingLocked(); resetStateLocked(); adjustStatusBarLocked(); } } @Override public void onUserSwitchComplete(int userId) { if (userId != UserHandle.USER_SYSTEM) { UserInfo info = UserManager.get(mContext).getUserInfo(userId); // Don't try to dismiss if the user has Pin/Patter/Password set if (info == null || mLockPatternUtils.isSecure(userId)) { return; } else if (info.isGuest() || info.isDemo()) { // If we just switched to a guest, try to dismiss keyguard. dismiss(null /* callback */); } } } @Override public void onUserInfoChanged(int userId) { } @Override public void onPhoneStateChanged(int phoneState) { synchronized (KeyguardViewMediator.this) { if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending && !mDeviceInteractive // screen off && mExternallyEnabled) { // not disabled by any app // note: this is a way to gracefully reenable the keyguard when the call // ends and the screen is off without always reenabling the keyguard // each time the screen turns off while in call (and having an occasional ugly // flicker while turning back on the screen and disabling the keyguard again). if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " + "keyguard is showing"); doKeyguardLocked(null); } } } @Override public void onClockVisibilityChanged() { adjustStatusBarLocked(); } @Override public void onDeviceProvisioned() { sendUserPresentBroadcast(); synchronized (KeyguardViewMediator.this) { // If system user is provisioned, we might want to lock now to avoid showing launcher if (mustNotUnlockCurrentUser()) { doKeyguardLocked(null); } } } @Override public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { if (DEBUG_SIM_STATES) { Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId + ",state=" + simState + ")"); } int size = mKeyguardStateCallbacks.size(); boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); for (int i = size - 1; i >= 0; i--) { try { mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); if (e instanceof DeadObjectException) { mKeyguardStateCallbacks.remove(i); } } } switch (simState) { case NOT_READY: case ABSENT: // only force lock screen in case of missing sim if user hasn't // gone through setup wizard synchronized (KeyguardViewMediator.this) { if (shouldWaitForProvisioning()) { if (!mShowing) { if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," + " we need to show the keyguard since the " + "device isn't provisioned yet."); doKeyguardLocked(null); } else { resetStateLocked(); } } if (simState == ABSENT) { // MVNO SIMs can become transiently NOT_READY when switching networks, // so we should only lock when they are ABSENT. onSimAbsentLocked(); } } break; case PIN_REQUIRED: case PUK_REQUIRED: synchronized (KeyguardViewMediator.this) { if (!mShowing) { if (DEBUG_SIM_STATES) Log.d(TAG, "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " + "showing; need to show keyguard so user can enter sim pin"); doKeyguardLocked(null); } else { resetStateLocked(); } } break; case PERM_DISABLED: synchronized (KeyguardViewMediator.this) { if (!mShowing) { if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " + "keygaurd isn't showing."); doKeyguardLocked(null); } else { if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" + "show permanently disabled message in lockscreen."); resetStateLocked(); } onSimAbsentLocked(); } break; case READY: synchronized (KeyguardViewMediator.this) { if (mShowing) { resetStateLocked(); } mLockWhenSimRemoved = true; } break; default: if (DEBUG_SIM_STATES) Log.v(TAG, "Unspecific state: " + simState); synchronized (KeyguardViewMediator.this) { onSimAbsentLocked(); } break; } } private void onSimAbsentLocked() { if (isSecure() && mLockWhenSimRemoved && !mShuttingDown) { mLockWhenSimRemoved = false; MetricsLogger.action(mContext, MetricsProto.MetricsEvent.ACTION_LOCK_BECAUSE_SIM_REMOVED, mShowing); if (!mShowing) { Log.i(TAG, "SIM removed, showing keyguard"); doKeyguardLocked(null); } } } @Override public void onFingerprintAuthFailed() { final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); if (mLockPatternUtils.isSecure(currentUser)) { mLockPatternUtils.getDevicePolicyManager().reportFailedFingerprintAttempt( currentUser); } } @Override public void onFingerprintAuthenticated(int userId) { if (mLockPatternUtils.isSecure(userId)) { mLockPatternUtils.getDevicePolicyManager().reportSuccessfulFingerprintAttempt( userId); } } @Override public void onTrustChanged(int userId) { if (userId == KeyguardUpdateMonitor.getCurrentUser()) { synchronized (KeyguardViewMediator.this) { notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(userId)); } } } @Override public void onHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { synchronized (KeyguardViewMediator.this) { notifyHasLockscreenWallpaperChanged(hasLockscreenWallpaper); } } }; ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { @Override public void userActivity() { KeyguardViewMediator.this.userActivity(); } @Override public void keyguardDone(boolean strongAuth, int targetUserId) { if (targetUserId != ActivityManager.getCurrentUser()) { return; } tryKeyguardDone(); } @Override public void keyguardDoneDrawing() { Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDoneDrawing"); mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); Trace.endSection(); } @Override public void setNeedsInput(boolean needsInput) { mStatusBarKeyguardViewManager.setNeedsInput(needsInput); } @Override public void keyguardDonePending(boolean strongAuth, int targetUserId) { Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDonePending"); if (targetUserId != ActivityManager.getCurrentUser()) { Trace.endSection(); return; } mKeyguardDonePending = true; mHideAnimationRun = true; mHideAnimationRunning = true; mStatusBarKeyguardViewManager.startPreHideAnimation(mHideAnimationFinishedRunnable); mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, KEYGUARD_DONE_PENDING_TIMEOUT_MS); Trace.endSection(); } @Override public void keyguardGone() { Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardGone"); mKeyguardDisplayManager.hide(); Trace.endSection(); } @Override public void readyForKeyguardDone() { Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#readyForKeyguardDone"); if (mKeyguardDonePending) { mKeyguardDonePending = false; tryKeyguardDone(); } Trace.endSection(); } @Override public void resetKeyguard() { resetStateLocked(); } @Override public void playTrustedSound() { KeyguardViewMediator.this.playTrustedSound(); } @Override public boolean isScreenOn() { return mDeviceInteractive; } @Override public int getBouncerPromptReason() { int currentUser = ActivityManager.getCurrentUser(); boolean trust = mTrustManager.isTrustUsuallyManaged(currentUser); boolean fingerprint = mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser); boolean any = trust || fingerprint; KeyguardUpdateMonitor.StrongAuthTracker strongAuthTracker = mUpdateMonitor.getStrongAuthTracker(); int strongAuth = strongAuthTracker.getStrongAuthForUser(currentUser); if (any && !strongAuthTracker.hasUserAuthenticatedSinceBoot()) { return KeyguardSecurityView.PROMPT_REASON_RESTART; } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_TIMEOUT) != 0) { return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW) != 0) { return KeyguardSecurityView.PROMPT_REASON_DEVICE_ADMIN; } else if (trust && (strongAuth & SOME_AUTH_REQUIRED_AFTER_USER_REQUEST) != 0) { return KeyguardSecurityView.PROMPT_REASON_USER_REQUEST; } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_LOCKOUT) != 0) { return KeyguardSecurityView.PROMPT_REASON_AFTER_LOCKOUT; } return KeyguardSecurityView.PROMPT_REASON_NONE; } @Override public void onSecondaryDisplayShowingChanged(int displayId) { synchronized (KeyguardViewMediator.this) { setShowingLocked(mShowing, displayId, false); } } }; public void userActivity() { mPM.userActivity(SystemClock.uptimeMillis(), false); } boolean mustNotUnlockCurrentUser() { return UserManager.isSplitSystemUser() && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM; } private void setupLocked() { mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); mShowKeyguardWakeLock.setReferenceCounted(false); IntentFilter filter = new IntentFilter(); filter.addAction(DELAYED_KEYGUARD_ACTION); filter.addAction(DELAYED_LOCK_PROFILE_ACTION); filter.addAction(Intent.ACTION_SHUTDOWN); mContext.registerReceiver(mBroadcastReceiver, filter); mKeyguardDisplayManager = new KeyguardDisplayManager(mContext, mViewMediatorCallback); mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); mLockPatternUtils = new LockPatternUtils(mContext); KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); // Assume keyguard is showing (unless it's disabled) until we know for sure, unless Keyguard // is disabled. if (mContext.getResources().getBoolean( com.android.keyguard.R.bool.config_enableKeyguardService)) { setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( KeyguardUpdateMonitor.getCurrentUser()), mSecondaryDisplayShowing, true /* forceCallbacks */); } mStatusBarKeyguardViewManager = SystemUIFactory.getInstance().createStatusBarKeyguardViewManager(mContext, mViewMediatorCallback, mLockPatternUtils); final ContentResolver cr = mContext.getContentResolver(); mDeviceInteractive = mPM.isInteractive(); mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); if (soundPath != null) { mLockSoundId = mLockSounds.load(soundPath, 1); } if (soundPath == null || mLockSoundId == 0) { Log.w(TAG, "failed to load lock sound from " + soundPath); } soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); if (soundPath != null) { mUnlockSoundId = mLockSounds.load(soundPath, 1); } if (soundPath == null || mUnlockSoundId == 0) { Log.w(TAG, "failed to load unlock sound from " + soundPath); } soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); if (soundPath != null) { mTrustedSoundId = mLockSounds.load(soundPath, 1); } if (soundPath == null || mTrustedSoundId == 0) { Log.w(TAG, "failed to load trusted sound from " + soundPath); } int lockSoundDefaultAttenuation = mContext.getResources().getInteger( com.android.internal.R.integer.config_lockSoundVolumeDb); mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); mHideAnimation = AnimationUtils.loadAnimation(mContext, com.android.internal.R.anim.lock_screen_behind_enter); mWorkLockController = new WorkLockActivityController(mContext); } @Override public void start() { synchronized (this) { setupLocked(); } putComponent(KeyguardViewMediator.class, this); } /** * Let us know that the system is ready after startup. */ public void onSystemReady() { synchronized (this) { if (DEBUG) Log.d(TAG, "onSystemReady"); mSystemReady = true; doKeyguardLocked(null); mUpdateMonitor.registerCallback(mUpdateCallback); } // Most services aren't available until the system reaches the ready state, so we // send it here when the device first boots. maybeSendUserPresentBroadcast(); } /** * Called to let us know the screen was turned off. * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. */ public void onStartedGoingToSleep(int why) { if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); synchronized (this) { mDeviceInteractive = false; mGoingToSleep = true; // Lock immediately based on setting if secure (user has a pin/pattern/password). // This also "locks" the device when not secure to provide easy access to the // camera while preventing unwanted input. int currentUser = KeyguardUpdateMonitor.getCurrentUser(); final boolean lockImmediately = mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) || !mLockPatternUtils.isSecure(currentUser); long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); mLockLater = false; if (mExitSecureCallback != null) { if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); try { mExitSecureCallback.onKeyguardExitResult(false); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } mExitSecureCallback = null; if (!mExternallyEnabled) { hideLocked(); } } else if (mShowing) { mPendingReset = true; } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { doKeyguardLaterLocked(timeout); mLockLater = true; } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { mPendingLock = true; } if (mPendingLock) { playSounds(true); } } KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); notifyStartedGoingToSleep(); } public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) { if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); synchronized (this) { mDeviceInteractive = false; mGoingToSleep = false; mWakeAndUnlocking = false; resetKeyguardDonePendingLocked(); mHideAnimationRun = false; notifyFinishedGoingToSleep(); if (cameraGestureTriggered) { Log.i(TAG, "Camera gesture was triggered, preventing Keyguard locking."); // Just to make sure, make sure the device is awake. mContext.getSystemService(PowerManager.class).wakeUp(SystemClock.uptimeMillis(), "com.android.systemui:CAMERA_GESTURE_PREVENT_LOCK"); mPendingLock = false; mPendingReset = false; } if (mPendingReset) { resetStateLocked(); mPendingReset = false; } if (mPendingLock) { doKeyguardLocked(null); mPendingLock = false; } // We do not have timeout and power button instant lock setting for profile lock. // So we use the personal setting if there is any. But if there is no device // we need to make sure we lock it immediately when the screen is off. if (!mLockLater && !cameraGestureTriggered) { doKeyguardForChildProfilesLocked(); } } KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); } private long getLockTimeout(int userId) { // if the screen turned off because of timeout or the user hit the power button // and we don't need to lock immediately, set an alarm // to enable it a little bit later (i.e, give the user a chance // to turn the screen back on within a certain window without // having to unlock the screen) final ContentResolver cr = mContext.getContentResolver(); // From SecuritySettings final long lockAfterTimeout = Settings.Secure.getInt(cr, Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); // From DevicePolicyAdmin final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() .getMaximumTimeToLockForUserAndProfiles(userId); long timeout; if (policyTimeout <= 0) { timeout = lockAfterTimeout; } else { // From DisplaySettings long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); // policy in effect. Make sure we don't go beyond policy limit. displayTimeout = Math.max(displayTimeout, 0); // ignore negative values timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); timeout = Math.max(timeout, 0); } return timeout; } private void doKeyguardLaterLocked() { long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); if (timeout == 0) { doKeyguardLocked(null); } else { doKeyguardLaterLocked(timeout); } } private void doKeyguardLaterLocked(long timeout) { // Lock in the future long when = SystemClock.elapsedRealtime() + timeout; Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); intent.putExtra("seq", mDelayedShowingSequence); intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); PendingIntent sender = PendingIntent.getBroadcast(mContext, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " + mDelayedShowingSequence); doKeyguardLaterForChildProfilesLocked(); } private void doKeyguardLaterForChildProfilesLocked() { UserManager um = UserManager.get(mContext); for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { long userTimeout = getLockTimeout(profileId); if (userTimeout == 0) { doKeyguardForChildProfilesLocked(); } else { long userWhen = SystemClock.elapsedRealtime() + userTimeout; Intent lockIntent = new Intent(DELAYED_LOCK_PROFILE_ACTION); lockIntent.putExtra("seq", mDelayedProfileShowingSequence); lockIntent.putExtra(Intent.EXTRA_USER_ID, profileId); lockIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); PendingIntent lockSender = PendingIntent.getBroadcast( mContext, 0, lockIntent, PendingIntent.FLAG_CANCEL_CURRENT); mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, userWhen, lockSender); } } } } private void doKeyguardForChildProfilesLocked() { UserManager um = UserManager.get(mContext); for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { lockProfile(profileId); } } } private void cancelDoKeyguardLaterLocked() { mDelayedShowingSequence++; } private void cancelDoKeyguardForChildProfilesLocked() { mDelayedProfileShowingSequence++; } /** * Let's us know when the device is waking up. */ public void onStartedWakingUp() { Trace.beginSection("KeyguardViewMediator#onStartedWakingUp"); // TODO: Rename all screen off/on references to interactive/sleeping synchronized (this) { mDeviceInteractive = true; cancelDoKeyguardLaterLocked(); cancelDoKeyguardForChildProfilesLocked(); if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); notifyStartedWakingUp(); } KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); maybeSendUserPresentBroadcast(); Trace.endSection(); } public void onScreenTurningOn(IKeyguardDrawnCallback callback) { Trace.beginSection("KeyguardViewMediator#onScreenTurningOn"); notifyScreenOn(callback); Trace.endSection(); } public void onScreenTurnedOn() { Trace.beginSection("KeyguardViewMediator#onScreenTurnedOn"); notifyScreenTurnedOn(); mUpdateMonitor.dispatchScreenTurnedOn(); Trace.endSection(); } public void onScreenTurnedOff() { notifyScreenTurnedOff(); mUpdateMonitor.dispatchScreenTurnedOff(); } private void maybeSendUserPresentBroadcast() { if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( KeyguardUpdateMonitor.getCurrentUser())) { // Lock screen is disabled because the user has set the preference to "None". // In this case, send out ACTION_USER_PRESENT here instead of in // handleKeyguardDone() sendUserPresentBroadcast(); } else if (mSystemReady && shouldWaitForProvisioning()) { // Skipping the lockscreen because we're not yet provisioned, but we still need to // notify the StrongAuthTracker that it's now safe to run trust agents, in case the // user sets a credential later. getLockPatternUtils().userPresent(KeyguardUpdateMonitor.getCurrentUser()); } } /** * A dream started. We should lock after the usual screen-off lock timeout but only * if there is a secure lock pattern. */ public void onDreamingStarted() { KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStarted(); synchronized (this) { if (mDeviceInteractive && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { doKeyguardLaterLocked(); } } } /** * A dream stopped. */ public void onDreamingStopped() { KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStopped(); synchronized (this) { if (mDeviceInteractive) { cancelDoKeyguardLaterLocked(); } } } /** * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide * a way for external stuff to override normal keyguard behavior. For instance * the phone app disables the keyguard when it receives incoming calls. */ public void setKeyguardEnabled(boolean enabled) { synchronized (this) { if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); mExternallyEnabled = enabled; if (!enabled && mShowing) { if (mExitSecureCallback != null) { if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); // we're in the process of handling a request to verify the user // can get past the keyguard. ignore extraneous requests to disable / reenable return; } // hiding keyguard that is showing, remember to reshow later if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " + "disabling status bar expansion"); mNeedToReshowWhenReenabled = true; updateInputRestrictedLocked(); hideLocked(); } else if (enabled && mNeedToReshowWhenReenabled) { // reenabled after previously hidden, reshow if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " + "status bar expansion"); mNeedToReshowWhenReenabled = false; updateInputRestrictedLocked(); if (mExitSecureCallback != null) { if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); try { mExitSecureCallback.onKeyguardExitResult(false); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } mExitSecureCallback = null; resetStateLocked(); } else { showLocked(null); // block until we know the keygaurd is done drawing (and post a message // to unblock us after a timeout so we don't risk blocking too long // and causing an ANR). mWaitingUntilKeyguardVisible = true; mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); while (mWaitingUntilKeyguardVisible) { try { wait(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } } if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); } } } } /** * @see android.app.KeyguardManager#exitKeyguardSecurely */ public void verifyUnlock(IKeyguardExitCallback callback) { Trace.beginSection("KeyguardViewMediator#verifyUnlock"); synchronized (this) { if (DEBUG) Log.d(TAG, "verifyUnlock"); if (shouldWaitForProvisioning()) { // don't allow this api when the device isn't provisioned if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); try { callback.onKeyguardExitResult(false); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } } else if (mExternallyEnabled) { // this only applies when the user has externally disabled the // keyguard. this is unexpected and means the user is not // using the api properly. Log.w(TAG, "verifyUnlock called when not externally disabled"); try { callback.onKeyguardExitResult(false); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } } else if (mExitSecureCallback != null) { // already in progress with someone else try { callback.onKeyguardExitResult(false); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } } else if (!isSecure()) { // Keyguard is not secure, no need to do anything, and we don't need to reshow // the Keyguard after the client releases the Keyguard lock. mExternallyEnabled = true; mNeedToReshowWhenReenabled = false; updateInputRestricted(); try { callback.onKeyguardExitResult(true); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } } else { // Since we prevent apps from hiding the Keyguard if we are secure, this should be // a no-op as well. try { callback.onKeyguardExitResult(false); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); } } } Trace.endSection(); } /** * Is the keyguard currently showing and not being force hidden? */ public boolean isShowingAndNotOccluded() { return mShowing && !mOccluded; } /** * Notify us when the keyguard is occluded by another window */ public void setOccluded(boolean isOccluded, boolean animate) { Trace.beginSection("KeyguardViewMediator#setOccluded"); if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); mHandler.removeMessages(SET_OCCLUDED); Message msg = mHandler.obtainMessage(SET_OCCLUDED, isOccluded ? 1 : 0, animate ? 1 : 0); mHandler.sendMessage(msg); Trace.endSection(); } /** * Handles SET_OCCLUDED message sent by setOccluded() */ private void handleSetOccluded(boolean isOccluded, boolean animate) { Trace.beginSection("KeyguardViewMediator#handleSetOccluded"); synchronized (KeyguardViewMediator.this) { if (mHiding && isOccluded) { // We're in the process of going away but WindowManager wants to show a // SHOW_WHEN_LOCKED activity instead. startKeyguardExitAnimation(0, 0); } if (mOccluded != isOccluded) { mOccluded = isOccluded; mUpdateMonitor.setKeyguardOccluded(isOccluded); mStatusBarKeyguardViewManager.setOccluded(isOccluded, animate && mDeviceInteractive); adjustStatusBarLocked(); } } Trace.endSection(); } /** * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. * This must be safe to call from any thread and with any window manager locks held. */ public void doKeyguardTimeout(Bundle options) { mHandler.removeMessages(KEYGUARD_TIMEOUT); Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); mHandler.sendMessage(msg); } /** * Given the state of the keyguard, is the input restricted? * Input is restricted when the keyguard is showing, or when the keyguard * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. */ public boolean isInputRestricted() { return mShowing || mNeedToReshowWhenReenabled; } private void updateInputRestricted() { synchronized (this) { updateInputRestrictedLocked(); } } private void updateInputRestrictedLocked() { boolean inputRestricted = isInputRestricted(); if (mInputRestricted != inputRestricted) { mInputRestricted = inputRestricted; int size = mKeyguardStateCallbacks.size(); for (int i = size - 1; i >= 0; i--) { final IKeyguardStateCallback callback = mKeyguardStateCallbacks.get(i); try { callback.onInputRestrictedStateChanged(inputRestricted); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onDeviceProvisioned", e); if (e instanceof DeadObjectException) { mKeyguardStateCallbacks.remove(callback); } } } } } /** * Enable the keyguard if the settings are appropriate. */ private void doKeyguardLocked(Bundle options) { if (KeyguardUpdateMonitor.CORE_APPS_ONLY) { // Don't show keyguard during half-booted cryptkeeper stage. if (DEBUG) Log.d(TAG, "doKeyguard: not showing because booting to cryptkeeper"); return; } // if another app is disabling us, don't show if (!mExternallyEnabled) { if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes // for an occasional ugly flicker in this situation: // 1) receive a call with the screen on (no keyguard) or make a call // 2) screen times out // 3) user hits key to turn screen back on // instead, we reenable the keyguard when we know the screen is off and the call // ends (see the broadcast receiver below) // TODO: clean this up when we have better support at the window manager level // for apps that wish to be on top of the keyguard return; } // if the keyguard is already showing, don't bother if (mStatusBarKeyguardViewManager.isShowing()) { if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); resetStateLocked(); return; } // In split system user mode, we never unlock system user. if (!mustNotUnlockCurrentUser() || !mUpdateMonitor.isDeviceProvisioned()) { // if the setup wizard hasn't run yet, don't show final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); final boolean absent = SubscriptionManager.isValidSubscriptionId( mUpdateMonitor.getNextSubIdForState(ABSENT)); final boolean disabled = SubscriptionManager.isValidSubscriptionId( mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() || ((absent || disabled) && requireSim); if (!lockedOrMissing && shouldWaitForProvisioning()) { if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" + " and the sim is not locked or missing"); return; } boolean forceShow = options != null && options.getBoolean(OPTION_FORCE_SHOW, false); if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) && !lockedOrMissing && !forceShow) { if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); return; } if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); // Without this, settings is not enabled until the lock screen first appears setShowingLocked(false); hideLocked(); return; } } if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); showLocked(options); } private void lockProfile(int userId) { mTrustManager.setDeviceLockedForUser(userId, true); } private boolean shouldWaitForProvisioning() { return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); } /** * Dismiss the keyguard through the security layers. * @param callback Callback to be informed about the result */ private void handleDismiss(IKeyguardDismissCallback callback) { if (mShowing) { if (callback != null) { mDismissCallbackRegistry.addCallback(callback); } mStatusBarKeyguardViewManager.dismissAndCollapse(); } else if (callback != null) { new DismissCallbackWrapper(callback).notifyDismissError(); } } public void dismiss(IKeyguardDismissCallback callback) { mHandler.obtainMessage(DISMISS, callback).sendToTarget(); } /** * Send message to keyguard telling it to reset its state. * @see #handleReset */ private void resetStateLocked() { if (DEBUG) Log.e(TAG, "resetStateLocked"); Message msg = mHandler.obtainMessage(RESET); mHandler.sendMessage(msg); } /** * Send message to keyguard telling it to verify unlock * @see #handleVerifyUnlock() */ private void verifyUnlockLocked() { if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); mHandler.sendEmptyMessage(VERIFY_UNLOCK); } private void notifyStartedGoingToSleep() { if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); } private void notifyFinishedGoingToSleep() { if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); } private void notifyStartedWakingUp() { if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); } private void notifyScreenOn(IKeyguardDrawnCallback callback) { if (DEBUG) Log.d(TAG, "notifyScreenOn"); Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); mHandler.sendMessage(msg); } private void notifyScreenTurnedOn() { if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); mHandler.sendMessage(msg); } private void notifyScreenTurnedOff() { if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); mHandler.sendMessage(msg); } /** * Send message to keyguard telling it to show itself * @see #handleShow */ private void showLocked(Bundle options) { Trace.beginSection("KeyguardViewMediator#showLocked aqcuiring mShowKeyguardWakeLock"); if (DEBUG) Log.d(TAG, "showLocked"); // ensure we stay awake until we are finished displaying the keyguard mShowKeyguardWakeLock.acquire(); Message msg = mHandler.obtainMessage(SHOW, options); mHandler.sendMessage(msg); Trace.endSection(); } /** * Send message to keyguard telling it to hide itself * @see #handleHide() */ private void hideLocked() { Trace.beginSection("KeyguardViewMediator#hideLocked"); if (DEBUG) Log.d(TAG, "hideLocked"); Message msg = mHandler.obtainMessage(HIDE); mHandler.sendMessage(msg); Trace.endSection(); } public boolean isSecure() { return isSecure(KeyguardUpdateMonitor.getCurrentUser()); } public boolean isSecure(int userId) { return mLockPatternUtils.isSecure(userId) || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); } public void setSwitchingUser(boolean switching) { Trace.beginSection("KeyguardViewMediator#setSwitchingUser"); mHandler.removeMessages(SET_SWITCHING_USER); Message msg = mHandler.obtainMessage(SET_SWITCHING_USER, switching ? 1 : 0, 0); mHandler.sendMessage(msg); Trace.endSection(); } /** * Update the newUserId. Call while holding WindowManagerService lock. * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. * * @param newUserId The id of the incoming user. */ public void setCurrentUser(int newUserId) { KeyguardUpdateMonitor.setCurrentUser(newUserId); synchronized (this) { notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(newUserId)); } } private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { final int sequence = intent.getIntExtra("seq", 0); if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); synchronized (KeyguardViewMediator.this) { if (mDelayedShowingSequence == sequence) { doKeyguardLocked(null); } } } else if (DELAYED_LOCK_PROFILE_ACTION.equals(intent.getAction())) { final int sequence = intent.getIntExtra("seq", 0); int userId = intent.getIntExtra(Intent.EXTRA_USER_ID, 0); if (userId != 0) { synchronized (KeyguardViewMediator.this) { if (mDelayedProfileShowingSequence == sequence) { lockProfile(userId); } } } } else if (Intent.ACTION_SHUTDOWN.equals(intent.getAction())) { synchronized (KeyguardViewMediator.this){ mShuttingDown = true; } } } }; public void keyguardDone() { Trace.beginSection("KeyguardViewMediator#keyguardDone"); if (DEBUG) Log.d(TAG, "keyguardDone()"); userActivity(); EventLog.writeEvent(70000, 2); Message msg = mHandler.obtainMessage(KEYGUARD_DONE); mHandler.sendMessage(msg); Trace.endSection(); } /** * This handler will be associated with the policy thread, which will also * be the UI thread of the keyguard. Since the apis of the policy, and therefore * this class, can be called by other threads, any action that directly * interacts with the keyguard ui should be posted to this handler, rather * than called directly. */ private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { @Override public void handleMessage(Message msg) { switch (msg.what) { case SHOW: handleShow((Bundle) msg.obj); break; case HIDE: handleHide(); break; case RESET: handleReset(); break; case VERIFY_UNLOCK: Trace.beginSection("KeyguardViewMediator#handleMessage VERIFY_UNLOCK"); handleVerifyUnlock(); Trace.endSection(); break; case NOTIFY_STARTED_GOING_TO_SLEEP: handleNotifyStartedGoingToSleep(); break; case NOTIFY_FINISHED_GOING_TO_SLEEP: handleNotifyFinishedGoingToSleep(); break; case NOTIFY_SCREEN_TURNING_ON: Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNING_ON"); handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); Trace.endSection(); break; case NOTIFY_SCREEN_TURNED_ON: Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNED_ON"); handleNotifyScreenTurnedOn(); Trace.endSection(); break; case NOTIFY_SCREEN_TURNED_OFF: handleNotifyScreenTurnedOff(); break; case NOTIFY_STARTED_WAKING_UP: Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_STARTED_WAKING_UP"); handleNotifyStartedWakingUp(); Trace.endSection(); break; case KEYGUARD_DONE: Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE"); handleKeyguardDone(); Trace.endSection(); break; case KEYGUARD_DONE_DRAWING: Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_DRAWING"); handleKeyguardDoneDrawing(); Trace.endSection(); break; case SET_OCCLUDED: Trace.beginSection("KeyguardViewMediator#handleMessage SET_OCCLUDED"); handleSetOccluded(msg.arg1 != 0, msg.arg2 != 0); Trace.endSection(); break; case KEYGUARD_TIMEOUT: synchronized (KeyguardViewMediator.this) { doKeyguardLocked((Bundle) msg.obj); } break; case DISMISS: handleDismiss((IKeyguardDismissCallback) msg.obj); break; case START_KEYGUARD_EXIT_ANIM: Trace.beginSection("KeyguardViewMediator#handleMessage START_KEYGUARD_EXIT_ANIM"); StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); FalsingManager.getInstance(mContext).onSucccessfulUnlock(); Trace.endSection(); break; case KEYGUARD_DONE_PENDING_TIMEOUT: Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_PENDING_TIMEOUT"); Log.w(TAG, "Timeout while waiting for activity drawn!"); Trace.endSection(); break; case SET_SWITCHING_USER: Trace.beginSection("KeyguardViewMediator#handleMessage SET_SWITCHING_USER"); KeyguardUpdateMonitor.getInstance(mContext).setSwitchingUser(msg.arg1 != 0); Trace.endSection(); break; } } }; private void tryKeyguardDone() { if (!mKeyguardDonePending && mHideAnimationRun && !mHideAnimationRunning) { handleKeyguardDone(); } else if (!mHideAnimationRun) { mHideAnimationRun = true; mHideAnimationRunning = true; mStatusBarKeyguardViewManager.startPreHideAnimation(mHideAnimationFinishedRunnable); } } /** * @see #keyguardDone * @see #KEYGUARD_DONE */ private void handleKeyguardDone() { Trace.beginSection("KeyguardViewMediator#handleKeyguardDone"); final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); mUiOffloadThread.submit(() -> { if (mLockPatternUtils.isSecure(currentUser)) { mLockPatternUtils.getDevicePolicyManager().reportKeyguardDismissed(currentUser); } }); if (DEBUG) Log.d(TAG, "handleKeyguardDone"); synchronized (this) { resetKeyguardDonePendingLocked(); } mUpdateMonitor.clearFailedUnlockAttempts(); mUpdateMonitor.clearFingerprintRecognized(); if (mGoingToSleep) { Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); return; } if (mExitSecureCallback != null) { try { mExitSecureCallback.onKeyguardExitResult(true /* authenciated */); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onKeyguardExitResult()", e); } mExitSecureCallback = null; // after succesfully exiting securely, no need to reshow // the keyguard when they've released the lock mExternallyEnabled = true; mNeedToReshowWhenReenabled = false; updateInputRestricted(); } handleHide(); Trace.endSection(); } private void sendUserPresentBroadcast() { synchronized (this) { if (mBootCompleted) { int currentUserId = KeyguardUpdateMonitor.getCurrentUser(); final UserHandle currentUser = new UserHandle(currentUserId); final UserManager um = (UserManager) mContext.getSystemService( Context.USER_SERVICE); mUiOffloadThread.submit(() -> { for (int profileId : um.getProfileIdsWithDisabled(currentUser.getIdentifier())) { mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, UserHandle.of(profileId)); } getLockPatternUtils().userPresent(currentUserId); }); } else { mBootSendUserPresent = true; } } } /** * @see #keyguardDone * @see #KEYGUARD_DONE_DRAWING */ private void handleKeyguardDoneDrawing() { Trace.beginSection("KeyguardViewMediator#handleKeyguardDoneDrawing"); synchronized(this) { if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); if (mWaitingUntilKeyguardVisible) { if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); mWaitingUntilKeyguardVisible = false; notifyAll(); // there will usually be two of these sent, one as a timeout, and one // as a result of the callback, so remove any remaining messages from // the queue mHandler.removeMessages(KEYGUARD_DONE_DRAWING); } } Trace.endSection(); } private void playSounds(boolean locked) { playSound(locked ? mLockSoundId : mUnlockSoundId); } private void playSound(int soundId) { if (soundId == 0) return; final ContentResolver cr = mContext.getContentResolver(); if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { mLockSounds.stop(mLockSoundStreamId); // Init mAudioManager if (mAudioManager == null) { mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); if (mAudioManager == null) return; mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); } mUiOffloadThread.submit(() -> { // If the stream is muted, don't play the sound if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; int id = mLockSounds.play(soundId, mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); synchronized (this) { mLockSoundStreamId = id; } }); } } private void playTrustedSound() { playSound(mTrustedSoundId); } private void updateActivityLockScreenState(boolean showing, int secondaryDisplayShowing) { mUiOffloadThread.submit(() -> { try { ActivityManager.getService().setLockScreenShown(showing, secondaryDisplayShowing); } catch (RemoteException e) { } }); } /** * Handle message sent by {@link #showLocked}. * @see #SHOW */ private void handleShow(Bundle options) { Trace.beginSection("KeyguardViewMediator#handleShow"); final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); if (mLockPatternUtils.isSecure(currentUser)) { mLockPatternUtils.getDevicePolicyManager().reportKeyguardSecured(currentUser); } synchronized (KeyguardViewMediator.this) { if (!mSystemReady) { if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); return; } else { if (DEBUG) Log.d(TAG, "handleShow"); } setShowingLocked(true); mStatusBarKeyguardViewManager.show(options); mHiding = false; mWakeAndUnlocking = false; resetKeyguardDonePendingLocked(); mHideAnimationRun = false; adjustStatusBarLocked(); userActivity(); mShowKeyguardWakeLock.release(); } mKeyguardDisplayManager.show(); Trace.endSection(); } private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { @Override public void run() { Trace.beginSection("KeyguardViewMediator.mKeyGuardGoingAwayRunnable"); if (DEBUG) Log.d(TAG, "keyguardGoingAway"); try { mStatusBarKeyguardViewManager.keyguardGoingAway(); int flags = 0; if (mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() || mWakeAndUnlocking) { flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS; } if (mStatusBarKeyguardViewManager.isGoingToNotificationShade()) { flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_TO_SHADE; } if (mStatusBarKeyguardViewManager.isUnlockWithWallpaper()) { flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_WITH_WALLPAPER; } mUpdateMonitor.setKeyguardGoingAway(true /* goingAway */); // Don't actually hide the Keyguard at the moment, wait for window // manager until it tells us it's safe to do so with // startKeyguardExitAnimation. ActivityManager.getService().keyguardGoingAway(flags); } catch (RemoteException e) { Log.e(TAG, "Error while calling WindowManager", e); } Trace.endSection(); } }; private final Runnable mHideAnimationFinishedRunnable = () -> { mHideAnimationRunning = false; tryKeyguardDone(); }; /** * Handle message sent by {@link #hideLocked()} * @see #HIDE */ private void handleHide() { Trace.beginSection("KeyguardViewMediator#handleHide"); synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleHide"); if (mustNotUnlockCurrentUser()) { // In split system user mode, we never unlock system user. The end user has to // switch to another user. // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up // still completes and makes the screen blank. if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); return; } mHiding = true; if (mShowing && !mOccluded) { mKeyguardGoingAwayRunnable.run(); } else { handleStartKeyguardExitAnimation( SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), mHideAnimation.getDuration()); } } Trace.endSection(); } private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { Trace.beginSection("KeyguardViewMediator#handleStartKeyguardExitAnimation"); if (DEBUG) Log.d(TAG, "handleStartKeyguardExitAnimation startTime=" + startTime + " fadeoutDuration=" + fadeoutDuration); synchronized (KeyguardViewMediator.this) { if (!mHiding) { return; } mHiding = false; if (mWakeAndUnlocking && mDrawnCallback != null) { // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report // the next draw from here so we don't have to wait for window manager to signal // this to our ViewRootImpl. mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); notifyDrawn(mDrawnCallback); mDrawnCallback = null; } // only play "unlock" noises if not on a call (since the incall UI // disables the keyguard) if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { playSounds(false); } mWakeAndUnlocking = false; setShowingLocked(false); mDismissCallbackRegistry.notifyDismissSucceeded(); mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); resetKeyguardDonePendingLocked(); mHideAnimationRun = false; adjustStatusBarLocked(); sendUserPresentBroadcast(); mUpdateMonitor.setKeyguardGoingAway(false /* goingAway */); } Trace.endSection(); } private void adjustStatusBarLocked() { if (mStatusBarManager == null) { mStatusBarManager = (StatusBarManager) mContext.getSystemService(Context.STATUS_BAR_SERVICE); } if (mStatusBarManager == null) { Log.w(TAG, "Could not get status bar manager"); } else { // Disable aspects of the system/status/navigation bars that must not be re-enabled by // windows that appear on top, ever int flags = StatusBarManager.DISABLE_NONE; if (mShowing) { // Permanently disable components not available when keyguard is enabled // (like recents). Temporary enable/disable (e.g. the "back" button) are // done in KeyguardHostView. flags |= StatusBarManager.DISABLE_RECENT; } if (isShowingAndNotOccluded()) { flags |= StatusBarManager.DISABLE_HOME; } if (DEBUG) { Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); } mStatusBarManager.disable(flags); } } /** * Handle message sent by {@link #resetStateLocked} * @see #RESET */ private void handleReset() { synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleReset"); mStatusBarKeyguardViewManager.reset(true /* hideBouncerWhenShowing */); } } /** * Handle message sent by {@link #verifyUnlock} * @see #VERIFY_UNLOCK */ private void handleVerifyUnlock() { Trace.beginSection("KeyguardViewMediator#handleVerifyUnlock"); synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); setShowingLocked(true); mStatusBarKeyguardViewManager.dismissAndCollapse(); } Trace.endSection(); } private void handleNotifyStartedGoingToSleep() { synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); mStatusBarKeyguardViewManager.onStartedGoingToSleep(); } } /** * Handle message sent by {@link #notifyFinishedGoingToSleep()} * @see #NOTIFY_FINISHED_GOING_TO_SLEEP */ private void handleNotifyFinishedGoingToSleep() { synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); } } private void handleNotifyStartedWakingUp() { Trace.beginSection("KeyguardViewMediator#handleMotifyStartedWakingUp"); synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); mStatusBarKeyguardViewManager.onStartedWakingUp(); } Trace.endSection(); } private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurningOn"); synchronized (KeyguardViewMediator.this) { if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); mStatusBarKeyguardViewManager.onScreenTurningOn(); if (callback != null) { if (mWakeAndUnlocking) { mDrawnCallback = callback; } else { notifyDrawn(callback); } } } Trace.endSection(); } private void handleNotifyScreenTurnedOn() { Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurnedOn"); if (LatencyTracker.isEnabled(mContext)) { LatencyTracker.getInstance(mContext).onActionEnd(LatencyTracker.ACTION_TURN_ON_SCREEN); } synchronized (this) { if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); mStatusBarKeyguardViewManager.onScreenTurnedOn(); } Trace.endSection(); } private void handleNotifyScreenTurnedOff() { synchronized (this) { if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); mStatusBarKeyguardViewManager.onScreenTurnedOff(); mDrawnCallback = null; } } private void notifyDrawn(final IKeyguardDrawnCallback callback) { Trace.beginSection("KeyguardViewMediator#notifyDrawn"); try { callback.onDrawn(); } catch (RemoteException e) { Slog.w(TAG, "Exception calling onDrawn():", e); } Trace.endSection(); } private void resetKeyguardDonePendingLocked() { mKeyguardDonePending = false; mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); } @Override public void onBootCompleted() { mUpdateMonitor.dispatchBootCompleted(); synchronized (this) { mBootCompleted = true; if (mBootSendUserPresent) { sendUserPresentBroadcast(); } } } public void onWakeAndUnlocking() { Trace.beginSection("KeyguardViewMediator#onWakeAndUnlocking"); mWakeAndUnlocking = true; keyguardDone(); Trace.endSection(); } public StatusBarKeyguardViewManager registerStatusBar(StatusBar statusBar, ViewGroup container, ScrimController scrimController, FingerprintUnlockController fingerprintUnlockController) { mStatusBarKeyguardViewManager.registerStatusBar(statusBar, container, scrimController, fingerprintUnlockController, mDismissCallbackRegistry); return mStatusBarKeyguardViewManager; } public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { Trace.beginSection("KeyguardViewMediator#startKeyguardExitAnimation"); Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); mHandler.sendMessage(msg); Trace.endSection(); } public void onShortPowerPressedGoHome() { // do nothing } public ViewMediatorCallback getViewMediatorCallback() { return mViewMediatorCallback; } public LockPatternUtils getLockPatternUtils() { return mLockPatternUtils; } @Override public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.print(" mSystemReady: "); pw.println(mSystemReady); pw.print(" mBootCompleted: "); pw.println(mBootCompleted); pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); pw.print(" mShuttingDown: "); pw.println(mShuttingDown); pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); pw.print(" mShowing: "); pw.println(mShowing); pw.print(" mInputRestricted: "); pw.println(mInputRestricted); pw.print(" mOccluded: "); pw.println(mOccluded); pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); pw.print(" mHiding: "); pw.println(mHiding); pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); pw.print(" mPendingReset: "); pw.println(mPendingReset); pw.print(" mPendingLock: "); pw.println(mPendingLock); pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); } private static class StartKeyguardExitAnimParams { long startTime; long fadeoutDuration; private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { this.startTime = startTime; this.fadeoutDuration = fadeoutDuration; } } private void setShowingLocked(boolean showing) { setShowingLocked(showing, mSecondaryDisplayShowing, false /* forceCallbacks */); } private void setShowingLocked( boolean showing, int secondaryDisplayShowing, boolean forceCallbacks) { final boolean notifyDefaultDisplayCallbacks = showing != mShowing || forceCallbacks; if (notifyDefaultDisplayCallbacks || secondaryDisplayShowing != mSecondaryDisplayShowing) { mShowing = showing; mSecondaryDisplayShowing = secondaryDisplayShowing; if (notifyDefaultDisplayCallbacks) { notifyDefaultDisplayCallbacks(showing); } updateActivityLockScreenState(showing, secondaryDisplayShowing); } } private void notifyDefaultDisplayCallbacks(boolean showing) { int size = mKeyguardStateCallbacks.size(); for (int i = size - 1; i >= 0; i--) { IKeyguardStateCallback callback = mKeyguardStateCallbacks.get(i); try { callback.onShowingStateChanged(showing); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onShowingStateChanged", e); if (e instanceof DeadObjectException) { mKeyguardStateCallbacks.remove(callback); } } } updateInputRestrictedLocked(); mUiOffloadThread.submit(() -> { mTrustManager.reportKeyguardShowingChanged(); }); } private void notifyTrustedChangedLocked(boolean trusted) { int size = mKeyguardStateCallbacks.size(); for (int i = size - 1; i >= 0; i--) { try { mKeyguardStateCallbacks.get(i).onTrustedChanged(trusted); } catch (RemoteException e) { Slog.w(TAG, "Failed to call notifyTrustedChangedLocked", e); if (e instanceof DeadObjectException) { mKeyguardStateCallbacks.remove(i); } } } } private void notifyHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { int size = mKeyguardStateCallbacks.size(); for (int i = size - 1; i >= 0; i--) { try { mKeyguardStateCallbacks.get(i).onHasLockscreenWallpaperChanged( hasLockscreenWallpaper); } catch (RemoteException e) { Slog.w(TAG, "Failed to call onHasLockscreenWallpaperChanged", e); if (e instanceof DeadObjectException) { mKeyguardStateCallbacks.remove(i); } } } } public void addStateMonitorCallback(IKeyguardStateCallback callback) { synchronized (this) { mKeyguardStateCallbacks.add(callback); try { callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); callback.onShowingStateChanged(mShowing); callback.onInputRestrictedStateChanged(mInputRestricted); callback.onTrustedChanged(mUpdateMonitor.getUserHasTrust( KeyguardUpdateMonitor.getCurrentUser())); callback.onHasLockscreenWallpaperChanged(mUpdateMonitor.hasLockscreenWallpaper()); } catch (RemoteException e) { Slog.w(TAG, "Failed to call to IKeyguardStateCallback", e); } } } }