KeyguardViewMediator.java revision 56878a93989a49538fabccfb7218face645030bf
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.trust.TrustManager; 27import android.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.UserInfo; 33import android.media.AudioManager; 34import android.media.SoundPool; 35import android.os.Binder; 36import android.os.Bundle; 37import android.os.DeadObjectException; 38import android.os.Handler; 39import android.os.Looper; 40import android.os.Message; 41import android.os.PowerManager; 42import android.os.RemoteException; 43import android.os.SystemClock; 44import android.os.SystemProperties; 45import android.os.UserHandle; 46import android.os.UserManager; 47import android.os.storage.StorageManager; 48import android.provider.Settings; 49import android.telephony.SubscriptionManager; 50import android.telephony.TelephonyManager; 51import android.util.EventLog; 52import android.util.Log; 53import android.util.Slog; 54import android.view.IWindowManager; 55import android.view.ViewGroup; 56import android.view.WindowManagerGlobal; 57import android.view.WindowManagerPolicy; 58import android.view.animation.Animation; 59import android.view.animation.AnimationUtils; 60 61import com.android.internal.policy.IKeyguardDrawnCallback; 62import com.android.internal.policy.IKeyguardExitCallback; 63import com.android.internal.policy.IKeyguardStateCallback; 64import com.android.internal.telephony.IccCardConstants; 65import com.android.internal.widget.LockPatternUtils; 66import com.android.keyguard.KeyguardConstants; 67import com.android.keyguard.KeyguardDisplayManager; 68import com.android.keyguard.KeyguardSecurityView; 69import com.android.keyguard.KeyguardUpdateMonitor; 70import com.android.keyguard.KeyguardUpdateMonitorCallback; 71import com.android.keyguard.ViewMediatorCallback; 72import com.android.systemui.SystemUI; 73import com.android.systemui.classifier.FalsingManager; 74import com.android.systemui.statusbar.phone.FingerprintUnlockController; 75import com.android.systemui.statusbar.phone.PhoneStatusBar; 76import com.android.systemui.statusbar.phone.ScrimController; 77import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 78import com.android.systemui.statusbar.phone.StatusBarWindowManager; 79 80import java.io.FileDescriptor; 81import java.io.PrintWriter; 82import java.util.ArrayList; 83import java.util.List; 84 85import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 86 87/** 88 * Mediates requests related to the keyguard. This includes queries about the 89 * state of the keyguard, power management events that effect whether the keyguard 90 * should be shown or reset, callbacks to the phone window manager to notify 91 * it of when the keyguard is showing, and events from the keyguard view itself 92 * stating that the keyguard was succesfully unlocked. 93 * 94 * Note that the keyguard view is shown when the screen is off (as appropriate) 95 * so that once the screen comes on, it will be ready immediately. 96 * 97 * Example queries about the keyguard: 98 * - is {movement, key} one that should wake the keygaurd? 99 * - is the keyguard showing? 100 * - are input events restricted due to the state of the keyguard? 101 * 102 * Callbacks to the phone window manager: 103 * - the keyguard is showing 104 * 105 * Example external events that translate to keyguard view changes: 106 * - screen turned off -> reset the keyguard, and show it so it will be ready 107 * next time the screen turns on 108 * - keyboard is slid open -> if the keyguard is not secure, hide it 109 * 110 * Events from the keyguard view: 111 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 112 * restrict input events. 113 * 114 * Note: in addition to normal power managment events that effect the state of 115 * whether the keyguard should be showing, external apps and services may request 116 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 117 * false, this will override all other conditions for turning on the keyguard. 118 * 119 * Threading and synchronization: 120 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 121 * and runs on its thread. The keyguard UI is created from that thread in the 122 * constructor of this class. The apis may be called from other threads, including the 123 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 124 * Therefore, methods on this class are synchronized, and any action that is pointed 125 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 126 * thread of the keyguard. 127 */ 128public class KeyguardViewMediator extends SystemUI { 129 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 130 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 131 132 private static final boolean DEBUG = KeyguardConstants.DEBUG; 133 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 134 private final static boolean DBG_WAKE = false; 135 136 private final static String TAG = "KeyguardViewMediator"; 137 138 private static final String DELAYED_KEYGUARD_ACTION = 139 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 140 private static final String DELAYED_LOCK_PROFILE_ACTION = 141 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_LOCK"; 142 143 // used for handler messages 144 private static final int SHOW = 2; 145 private static final int HIDE = 3; 146 private static final int RESET = 4; 147 private static final int VERIFY_UNLOCK = 5; 148 private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 6; 149 private static final int NOTIFY_SCREEN_TURNING_ON = 7; 150 private static final int KEYGUARD_DONE = 9; 151 private static final int KEYGUARD_DONE_DRAWING = 10; 152 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 153 private static final int SET_OCCLUDED = 12; 154 private static final int KEYGUARD_TIMEOUT = 13; 155 private static final int DISMISS = 17; 156 private static final int START_KEYGUARD_EXIT_ANIM = 18; 157 private static final int ON_ACTIVITY_DRAWN = 19; 158 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 159 private static final int NOTIFY_STARTED_WAKING_UP = 21; 160 private static final int NOTIFY_SCREEN_TURNED_ON = 22; 161 private static final int NOTIFY_SCREEN_TURNED_OFF = 23; 162 private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 24; 163 164 /** 165 * The default amount of time we stay awake (used for all key input) 166 */ 167 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 168 169 /** 170 * How long to wait after the screen turns off due to timeout before 171 * turning on the keyguard (i.e, the user has this much time to turn 172 * the screen back on without having to face the keyguard). 173 */ 174 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 175 176 /** 177 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 178 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 179 * that is reenabling the keyguard. 180 */ 181 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 182 183 /** 184 * Secure setting whether analytics are collected on the keyguard. 185 */ 186 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 187 188 /** The stream type that the lock sounds are tied to. */ 189 private int mUiSoundsStreamType; 190 191 private AlarmManager mAlarmManager; 192 private AudioManager mAudioManager; 193 private StatusBarManager mStatusBarManager; 194 private boolean mSwitchingUser; 195 196 private boolean mSystemReady; 197 private boolean mBootCompleted; 198 private boolean mBootSendUserPresent; 199 200 /** High level access to the power manager for WakeLocks */ 201 private PowerManager mPM; 202 203 /** High level access to the window manager for dismissing keyguard animation */ 204 private IWindowManager mWM; 205 206 207 /** TrustManager for letting it know when we change visibility */ 208 private TrustManager mTrustManager; 209 210 /** SearchManager for determining whether or not search assistant is available */ 211 private SearchManager mSearchManager; 212 213 /** 214 * Used to keep the device awake while to ensure the keyguard finishes opening before 215 * we sleep. 216 */ 217 private PowerManager.WakeLock mShowKeyguardWakeLock; 218 219 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 220 221 // these are protected by synchronized (this) 222 223 /** 224 * External apps (like the phone app) can tell us to disable the keygaurd. 225 */ 226 private boolean mExternallyEnabled = true; 227 228 /** 229 * Remember if an external call to {@link #setKeyguardEnabled} with value 230 * false caused us to hide the keyguard, so that we need to reshow it once 231 * the keygaurd is reenabled with another call with value true. 232 */ 233 private boolean mNeedToReshowWhenReenabled = false; 234 235 // cached value of whether we are showing (need to know this to quickly 236 // answer whether the input should be restricted) 237 private boolean mShowing; 238 239 /** Cached value of #isInputRestricted */ 240 private boolean mInputRestricted; 241 242 // true if the keyguard is hidden by another window 243 private boolean mOccluded = false; 244 245 /** 246 * Helps remember whether the screen has turned on since the last time 247 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 248 */ 249 private int mDelayedShowingSequence; 250 251 /** 252 * If the user has disabled the keyguard, then requests to exit, this is 253 * how we'll ultimately let them know whether it was successful. We use this 254 * var being non-null as an indicator that there is an in progress request. 255 */ 256 private IKeyguardExitCallback mExitSecureCallback; 257 258 // the properties of the keyguard 259 260 private KeyguardUpdateMonitor mUpdateMonitor; 261 262 private boolean mDeviceInteractive; 263 private boolean mGoingToSleep; 264 265 // last known state of the cellular connection 266 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 267 268 /** 269 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 270 * called. 271 * */ 272 private boolean mHiding; 273 274 /** 275 * we send this intent when the keyguard is dismissed. 276 */ 277 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 278 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 279 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 280 281 /** 282 * {@link #setKeyguardEnabled} waits on this condition when it reenables 283 * the keyguard. 284 */ 285 private boolean mWaitingUntilKeyguardVisible = false; 286 private LockPatternUtils mLockPatternUtils; 287 private boolean mKeyguardDonePending = false; 288 private boolean mHideAnimationRun = false; 289 290 private SoundPool mLockSounds; 291 private int mLockSoundId; 292 private int mUnlockSoundId; 293 private int mTrustedSoundId; 294 private int mLockSoundStreamId; 295 296 /** 297 * The animation used for hiding keyguard. This is used to fetch the animation timings if 298 * WindowManager is not providing us with them. 299 */ 300 private Animation mHideAnimation; 301 302 /** 303 * The volume applied to the lock/unlock sounds. 304 */ 305 private float mLockSoundVolume; 306 307 /** 308 * For managing external displays 309 */ 310 private KeyguardDisplayManager mKeyguardDisplayManager; 311 312 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 313 314 /** 315 * When starting going to sleep, we figured out that we need to reset Keyguard state and this 316 * should be committed when finished going to sleep. 317 */ 318 private boolean mPendingReset; 319 320 /** 321 * When starting going to sleep, we figured out that we need to lock Keyguard and this should be 322 * committed when finished going to sleep. 323 */ 324 private boolean mPendingLock; 325 326 private boolean mWakeAndUnlocking; 327 private IKeyguardDrawnCallback mDrawnCallback; 328 329 private boolean mIsPerUserLock; 330 331 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 332 333 @Override 334 public void onUserSwitching(int userId) { 335 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 336 // We need to force a reset of the views, since lockNow (called by 337 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 338 synchronized (KeyguardViewMediator.this) { 339 mSwitchingUser = true; 340 resetKeyguardDonePendingLocked(); 341 resetStateLocked(); 342 adjustStatusBarLocked(); 343 } 344 } 345 346 @Override 347 public void onUserSwitchComplete(int userId) { 348 mSwitchingUser = false; 349 if (userId != UserHandle.USER_SYSTEM) { 350 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 351 if (info != null && info.isGuest()) { 352 // If we just switched to a guest, try to dismiss keyguard. 353 dismiss(); 354 } 355 } 356 } 357 358 @Override 359 public void onUserInfoChanged(int userId) { 360 } 361 362 @Override 363 public void onPhoneStateChanged(int phoneState) { 364 synchronized (KeyguardViewMediator.this) { 365 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 366 && !mDeviceInteractive // screen off 367 && mExternallyEnabled) { // not disabled by any app 368 369 // note: this is a way to gracefully reenable the keyguard when the call 370 // ends and the screen is off without always reenabling the keyguard 371 // each time the screen turns off while in call (and having an occasional ugly 372 // flicker while turning back on the screen and disabling the keyguard again). 373 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 374 + "keyguard is showing"); 375 doKeyguardLocked(null); 376 } 377 } 378 } 379 380 @Override 381 public void onClockVisibilityChanged() { 382 adjustStatusBarLocked(); 383 } 384 385 @Override 386 public void onDeviceProvisioned() { 387 sendUserPresentBroadcast(); 388 synchronized (KeyguardViewMediator.this) { 389 // If system user is provisioned, we might want to lock now to avoid showing launcher 390 if (UserManager.isSplitSystemUser() 391 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) { 392 doKeyguardLocked(null); 393 } 394 } 395 } 396 397 @Override 398 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 399 400 if (DEBUG_SIM_STATES) { 401 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 402 + ",state=" + simState + ")"); 403 } 404 405 int size = mKeyguardStateCallbacks.size(); 406 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 407 for (int i = size - 1; i >= 0; i--) { 408 try { 409 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 410 } catch (RemoteException e) { 411 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 412 if (e instanceof DeadObjectException) { 413 mKeyguardStateCallbacks.remove(i); 414 } 415 } 416 } 417 418 switch (simState) { 419 case NOT_READY: 420 case ABSENT: 421 // only force lock screen in case of missing sim if user hasn't 422 // gone through setup wizard 423 synchronized (this) { 424 if (shouldWaitForProvisioning()) { 425 if (!mShowing) { 426 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 427 + " we need to show the keyguard since the " 428 + "device isn't provisioned yet."); 429 doKeyguardLocked(null); 430 } else { 431 resetStateLocked(); 432 } 433 } 434 } 435 break; 436 case PIN_REQUIRED: 437 case PUK_REQUIRED: 438 synchronized (this) { 439 if (!mShowing) { 440 if (DEBUG_SIM_STATES) Log.d(TAG, 441 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 442 + "showing; need to show keyguard so user can enter sim pin"); 443 doKeyguardLocked(null); 444 } else { 445 resetStateLocked(); 446 } 447 } 448 break; 449 case PERM_DISABLED: 450 synchronized (this) { 451 if (!mShowing) { 452 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 453 + "keygaurd isn't showing."); 454 doKeyguardLocked(null); 455 } else { 456 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 457 + "show permanently disabled message in lockscreen."); 458 resetStateLocked(); 459 } 460 } 461 break; 462 case READY: 463 synchronized (this) { 464 if (mShowing) { 465 resetStateLocked(); 466 } 467 } 468 break; 469 default: 470 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 471 break; 472 } 473 } 474 }; 475 476 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 477 478 public void userActivity() { 479 KeyguardViewMediator.this.userActivity(); 480 } 481 482 public void keyguardDone(boolean strongAuth) { 483 if (!mKeyguardDonePending) { 484 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 485 } 486 if (strongAuth) { 487 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 488 } 489 } 490 491 public void keyguardDoneDrawing() { 492 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 493 } 494 495 @Override 496 public void setNeedsInput(boolean needsInput) { 497 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 498 } 499 500 @Override 501 public void keyguardDonePending(boolean strongAuth) { 502 mKeyguardDonePending = true; 503 mHideAnimationRun = true; 504 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 505 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 506 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 507 if (strongAuth) { 508 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 509 } 510 } 511 512 @Override 513 public void keyguardGone() { 514 mKeyguardDisplayManager.hide(); 515 } 516 517 @Override 518 public void readyForKeyguardDone() { 519 if (mKeyguardDonePending) { 520 // Somebody has called keyguardDonePending before, which means that we are 521 // authenticated 522 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 523 } 524 } 525 526 @Override 527 public void resetKeyguard() { 528 resetStateLocked(); 529 } 530 531 @Override 532 public void playTrustedSound() { 533 KeyguardViewMediator.this.playTrustedSound(); 534 } 535 536 @Override 537 public boolean isInputRestricted() { 538 return KeyguardViewMediator.this.isInputRestricted(); 539 } 540 541 @Override 542 public boolean isScreenOn() { 543 return mDeviceInteractive; 544 } 545 546 @Override 547 public int getBouncerPromptReason() { 548 int currentUser = ActivityManager.getCurrentUser(); 549 if ((mUpdateMonitor.getUserTrustIsManaged(currentUser) 550 || mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser)) 551 && !mUpdateMonitor.getStrongAuthTracker().hasUserAuthenticatedSinceBoot()) { 552 return KeyguardSecurityView.PROMPT_REASON_RESTART; 553 } else if (mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser) 554 && mUpdateMonitor.hasFingerprintUnlockTimedOut(currentUser)) { 555 return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; 556 } 557 return KeyguardSecurityView.PROMPT_REASON_NONE; 558 } 559 }; 560 561 public void userActivity() { 562 mPM.userActivity(SystemClock.uptimeMillis(), false); 563 } 564 565 private void setupLocked() { 566 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 567 mWM = WindowManagerGlobal.getWindowManagerService(); 568 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 569 570 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 571 mShowKeyguardWakeLock.setReferenceCounted(false); 572 573 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 574 mContext.registerReceiver( 575 mBroadcastReceiver, new IntentFilter(DELAYED_LOCK_PROFILE_ACTION)); 576 577 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 578 579 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 580 581 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 582 583 mLockPatternUtils = new LockPatternUtils(mContext); 584 KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); 585 586 // Assume keyguard is showing (unless it's disabled) until we know for sure... 587 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( 588 KeyguardUpdateMonitor.getCurrentUser())); 589 updateInputRestrictedLocked(); 590 mTrustManager.reportKeyguardShowingChanged(); 591 592 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 593 mViewMediatorCallback, mLockPatternUtils); 594 final ContentResolver cr = mContext.getContentResolver(); 595 596 mDeviceInteractive = mPM.isInteractive(); 597 598 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 599 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 600 if (soundPath != null) { 601 mLockSoundId = mLockSounds.load(soundPath, 1); 602 } 603 if (soundPath == null || mLockSoundId == 0) { 604 Log.w(TAG, "failed to load lock sound from " + soundPath); 605 } 606 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 607 if (soundPath != null) { 608 mUnlockSoundId = mLockSounds.load(soundPath, 1); 609 } 610 if (soundPath == null || mUnlockSoundId == 0) { 611 Log.w(TAG, "failed to load unlock sound from " + soundPath); 612 } 613 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 614 if (soundPath != null) { 615 mTrustedSoundId = mLockSounds.load(soundPath, 1); 616 } 617 if (soundPath == null || mTrustedSoundId == 0) { 618 Log.w(TAG, "failed to load trusted sound from " + soundPath); 619 } 620 621 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 622 com.android.internal.R.integer.config_lockSoundVolumeDb); 623 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 624 625 mHideAnimation = AnimationUtils.loadAnimation(mContext, 626 com.android.internal.R.anim.lock_screen_behind_enter); 627 } 628 629 @Override 630 public void start() { 631 synchronized (this) { 632 setupLocked(); 633 } 634 putComponent(KeyguardViewMediator.class, this); 635 } 636 637 /** 638 * Let us know that the system is ready after startup. 639 */ 640 public void onSystemReady() { 641 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 642 synchronized (this) { 643 if (DEBUG) Log.d(TAG, "onSystemReady"); 644 mSystemReady = true; 645 doKeyguardLocked(null); 646 mUpdateMonitor.registerCallback(mUpdateCallback); 647 } 648 mIsPerUserLock = StorageManager.isFileBasedEncryptionEnabled(); 649 // Most services aren't available until the system reaches the ready state, so we 650 // send it here when the device first boots. 651 maybeSendUserPresentBroadcast(); 652 } 653 654 /** 655 * Called to let us know the screen was turned off. 656 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 657 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 658 */ 659 public void onStartedGoingToSleep(int why) { 660 if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); 661 synchronized (this) { 662 mDeviceInteractive = false; 663 mGoingToSleep = true; 664 665 // Lock immediately based on setting if secure (user has a pin/pattern/password). 666 // This also "locks" the device when not secure to provide easy access to the 667 // camera while preventing unwanted input. 668 int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 669 final boolean lockImmediately = 670 mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) 671 || !mLockPatternUtils.isSecure(currentUser); 672 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 673 674 if (mExitSecureCallback != null) { 675 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 676 try { 677 mExitSecureCallback.onKeyguardExitResult(false); 678 } catch (RemoteException e) { 679 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 680 } 681 mExitSecureCallback = null; 682 if (!mExternallyEnabled) { 683 hideLocked(); 684 } 685 } else if (mShowing) { 686 mPendingReset = true; 687 } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) 688 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 689 doKeyguardLaterLocked(timeout); 690 } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { 691 mPendingLock = true; 692 } 693 694 if (mPendingLock) { 695 playSounds(true); 696 } 697 } 698 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); 699 notifyStartedGoingToSleep(); 700 } 701 702 public void onFinishedGoingToSleep(int why) { 703 if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); 704 synchronized (this) { 705 mDeviceInteractive = false; 706 mGoingToSleep = false; 707 708 resetKeyguardDonePendingLocked(); 709 mHideAnimationRun = false; 710 711 notifyFinishedGoingToSleep(); 712 713 if (mPendingReset) { 714 resetStateLocked(); 715 mPendingReset = false; 716 } 717 if (mPendingLock) { 718 doKeyguardLocked(null); 719 mPendingLock = false; 720 } 721 } 722 doKeyguardLaterLockedForChildProfiles(); 723 KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); 724 } 725 726 private long getLockTimeout(int userId) { 727 // if the screen turned off because of timeout or the user hit the power button 728 // and we don't need to lock immediately, set an alarm 729 // to enable it a little bit later (i.e, give the user a chance 730 // to turn the screen back on within a certain window without 731 // having to unlock the screen) 732 final ContentResolver cr = mContext.getContentResolver(); 733 734 // From SecuritySettings 735 final long lockAfterTimeout = Settings.Secure.getInt(cr, 736 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 737 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 738 739 // From DevicePolicyAdmin 740 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 741 .getMaximumTimeToLock(null, userId); 742 743 long timeout; 744 745 UserInfo user = UserManager.get(mContext).getUserInfo(userId); 746 if ((!user.isManagedProfile() && StorageManager.isFileBasedEncryptionEnabled()) 747 || policyTimeout <= 0) { 748 timeout = lockAfterTimeout; 749 } else { 750 // From DisplaySettings 751 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 752 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 753 754 // policy in effect. Make sure we don't go beyond policy limit. 755 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 756 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 757 } 758 return timeout; 759 } 760 761 private void doKeyguardLaterLocked() { 762 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 763 if (timeout == 0) { 764 doKeyguardLocked(null); 765 } else { 766 doKeyguardLaterLocked(timeout); 767 } 768 } 769 770 private void doKeyguardLaterLocked(long timeout) { 771 // Lock in the future 772 long when = SystemClock.elapsedRealtime() + timeout; 773 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 774 intent.putExtra("seq", mDelayedShowingSequence); 775 PendingIntent sender = PendingIntent.getBroadcast(mContext, 776 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 777 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 778 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 779 + mDelayedShowingSequence); 780 doKeyguardLaterLockedForChildProfiles(); 781 } 782 783 private void doKeyguardLaterLockedForChildProfiles() { 784 UserManager um = UserManager.get(mContext); 785 List<UserInfo> profiles = um.getEnabledProfiles(UserHandle.myUserId()); 786 if (StorageManager.isFileBasedEncryptionEnabled() && profiles.size() > 1) { 787 for (UserInfo info : profiles) { 788 if (info.id != UserHandle.myUserId() && info.isManagedProfile()) { 789 long userTimeout = getLockTimeout(info.id); 790 long userWhen = SystemClock.elapsedRealtime() + userTimeout; 791 Intent lockIntent = new Intent(DELAYED_LOCK_PROFILE_ACTION); 792 lockIntent.putExtra(Intent.EXTRA_USER_ID, info.id); 793 PendingIntent lockSender = PendingIntent.getBroadcast( 794 mContext, 0, lockIntent, PendingIntent.FLAG_CANCEL_CURRENT); 795 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, userWhen, lockSender); 796 } 797 } 798 } 799 } 800 801 private void cancelDoKeyguardLaterLocked() { 802 mDelayedShowingSequence++; 803 } 804 805 /** 806 * Let's us know when the device is waking up. 807 */ 808 public void onStartedWakingUp() { 809 810 // TODO: Rename all screen off/on references to interactive/sleeping 811 synchronized (this) { 812 mDeviceInteractive = true; 813 cancelDoKeyguardLaterLocked(); 814 if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); 815 notifyStartedWakingUp(); 816 } 817 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); 818 maybeSendUserPresentBroadcast(); 819 } 820 821 public void onScreenTurningOn(IKeyguardDrawnCallback callback) { 822 notifyScreenOn(callback); 823 } 824 825 public void onScreenTurnedOn() { 826 notifyScreenTurnedOn(); 827 mUpdateMonitor.dispatchScreenTurnedOn(); 828 } 829 830 public void onScreenTurnedOff() { 831 notifyScreenTurnedOff(); 832 mUpdateMonitor.dispatchScreenTurnedOff(); 833 } 834 835 private void maybeSendUserPresentBroadcast() { 836 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( 837 KeyguardUpdateMonitor.getCurrentUser())) { 838 // Lock screen is disabled because the user has set the preference to "None". 839 // In this case, send out ACTION_USER_PRESENT here instead of in 840 // handleKeyguardDone() 841 sendUserPresentBroadcast(); 842 } 843 } 844 845 /** 846 * A dream started. We should lock after the usual screen-off lock timeout but only 847 * if there is a secure lock pattern. 848 */ 849 public void onDreamingStarted() { 850 synchronized (this) { 851 if (mDeviceInteractive 852 && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { 853 doKeyguardLaterLocked(); 854 } 855 } 856 } 857 858 /** 859 * A dream stopped. 860 */ 861 public void onDreamingStopped() { 862 synchronized (this) { 863 if (mDeviceInteractive) { 864 cancelDoKeyguardLaterLocked(); 865 } 866 } 867 } 868 869 /** 870 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 871 * a way for external stuff to override normal keyguard behavior. For instance 872 * the phone app disables the keyguard when it receives incoming calls. 873 */ 874 public void setKeyguardEnabled(boolean enabled) { 875 synchronized (this) { 876 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 877 878 mExternallyEnabled = enabled; 879 880 if (!enabled && mShowing) { 881 if (mExitSecureCallback != null) { 882 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 883 // we're in the process of handling a request to verify the user 884 // can get past the keyguard. ignore extraneous requests to disable / reenable 885 return; 886 } 887 888 // hiding keyguard that is showing, remember to reshow later 889 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 890 + "disabling status bar expansion"); 891 mNeedToReshowWhenReenabled = true; 892 updateInputRestrictedLocked(); 893 hideLocked(); 894 } else if (enabled && mNeedToReshowWhenReenabled) { 895 // reenabled after previously hidden, reshow 896 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 897 + "status bar expansion"); 898 mNeedToReshowWhenReenabled = false; 899 updateInputRestrictedLocked(); 900 901 if (mExitSecureCallback != null) { 902 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 903 try { 904 mExitSecureCallback.onKeyguardExitResult(false); 905 } catch (RemoteException e) { 906 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 907 } 908 mExitSecureCallback = null; 909 resetStateLocked(); 910 } else { 911 showLocked(null); 912 913 // block until we know the keygaurd is done drawing (and post a message 914 // to unblock us after a timeout so we don't risk blocking too long 915 // and causing an ANR). 916 mWaitingUntilKeyguardVisible = true; 917 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 918 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 919 while (mWaitingUntilKeyguardVisible) { 920 try { 921 wait(); 922 } catch (InterruptedException e) { 923 Thread.currentThread().interrupt(); 924 } 925 } 926 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 927 } 928 } 929 } 930 } 931 932 /** 933 * @see android.app.KeyguardManager#exitKeyguardSecurely 934 */ 935 public void verifyUnlock(IKeyguardExitCallback callback) { 936 synchronized (this) { 937 if (DEBUG) Log.d(TAG, "verifyUnlock"); 938 if (shouldWaitForProvisioning()) { 939 // don't allow this api when the device isn't provisioned 940 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 941 try { 942 callback.onKeyguardExitResult(false); 943 } catch (RemoteException e) { 944 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 945 } 946 } else if (mExternallyEnabled) { 947 // this only applies when the user has externally disabled the 948 // keyguard. this is unexpected and means the user is not 949 // using the api properly. 950 Log.w(TAG, "verifyUnlock called when not externally disabled"); 951 try { 952 callback.onKeyguardExitResult(false); 953 } catch (RemoteException e) { 954 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 955 } 956 } else if (mExitSecureCallback != null) { 957 // already in progress with someone else 958 try { 959 callback.onKeyguardExitResult(false); 960 } catch (RemoteException e) { 961 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 962 } 963 } else if (!isSecure()) { 964 965 // Keyguard is not secure, no need to do anything, and we don't need to reshow 966 // the Keyguard after the client releases the Keyguard lock. 967 mExternallyEnabled = true; 968 mNeedToReshowWhenReenabled = false; 969 updateInputRestricted(); 970 try { 971 callback.onKeyguardExitResult(true); 972 } catch (RemoteException e) { 973 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 974 } 975 } else { 976 977 // Since we prevent apps from hiding the Keyguard if we are secure, this should be 978 // a no-op as well. 979 try { 980 callback.onKeyguardExitResult(false); 981 } catch (RemoteException e) { 982 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 983 } 984 } 985 } 986 } 987 988 /** 989 * Is the keyguard currently showing and not being force hidden? 990 */ 991 public boolean isShowingAndNotOccluded() { 992 return mShowing && !mOccluded; 993 } 994 995 /** 996 * Notify us when the keyguard is occluded by another window 997 */ 998 public void setOccluded(boolean isOccluded) { 999 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 1000 mHandler.removeMessages(SET_OCCLUDED); 1001 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 1002 mHandler.sendMessage(msg); 1003 } 1004 1005 /** 1006 * Handles SET_OCCLUDED message sent by setOccluded() 1007 */ 1008 private void handleSetOccluded(boolean isOccluded) { 1009 synchronized (KeyguardViewMediator.this) { 1010 if (mHiding && isOccluded) { 1011 // We're in the process of going away but WindowManager wants to show a 1012 // SHOW_WHEN_LOCKED activity instead. 1013 startKeyguardExitAnimation(0, 0); 1014 } 1015 1016 if (mOccluded != isOccluded) { 1017 mOccluded = isOccluded; 1018 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 1019 updateActivityLockScreenState(); 1020 adjustStatusBarLocked(); 1021 } 1022 } 1023 } 1024 1025 /** 1026 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 1027 * This must be safe to call from any thread and with any window manager locks held. 1028 */ 1029 public void doKeyguardTimeout(Bundle options) { 1030 mHandler.removeMessages(KEYGUARD_TIMEOUT); 1031 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 1032 mHandler.sendMessage(msg); 1033 } 1034 1035 /** 1036 * Given the state of the keyguard, is the input restricted? 1037 * Input is restricted when the keyguard is showing, or when the keyguard 1038 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 1039 */ 1040 public boolean isInputRestricted() { 1041 return mShowing || mNeedToReshowWhenReenabled; 1042 } 1043 1044 private void updateInputRestricted() { 1045 synchronized (this) { 1046 updateInputRestrictedLocked(); 1047 } 1048 } 1049 private void updateInputRestrictedLocked() { 1050 boolean inputRestricted = isInputRestricted(); 1051 if (mInputRestricted != inputRestricted) { 1052 mInputRestricted = inputRestricted; 1053 int size = mKeyguardStateCallbacks.size(); 1054 for (int i = size - 1; i >= 0; i--) { 1055 try { 1056 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 1057 } catch (RemoteException e) { 1058 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 1059 if (e instanceof DeadObjectException) { 1060 mKeyguardStateCallbacks.remove(i); 1061 } 1062 } 1063 } 1064 } 1065 } 1066 1067 /** 1068 * Enable the keyguard if the settings are appropriate. 1069 */ 1070 private void doKeyguardLocked(Bundle options) { 1071 // if another app is disabling us, don't show 1072 if (!mExternallyEnabled) { 1073 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 1074 1075 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 1076 // for an occasional ugly flicker in this situation: 1077 // 1) receive a call with the screen on (no keyguard) or make a call 1078 // 2) screen times out 1079 // 3) user hits key to turn screen back on 1080 // instead, we reenable the keyguard when we know the screen is off and the call 1081 // ends (see the broadcast receiver below) 1082 // TODO: clean this up when we have better support at the window manager level 1083 // for apps that wish to be on top of the keyguard 1084 return; 1085 } 1086 1087 // if the keyguard is already showing, don't bother 1088 if (mStatusBarKeyguardViewManager.isShowing()) { 1089 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 1090 resetStateLocked(); 1091 return; 1092 } 1093 1094 // In split system user mode, we never unlock system user. 1095 if (!UserManager.isSplitSystemUser() 1096 || KeyguardUpdateMonitor.getCurrentUser() != UserHandle.USER_SYSTEM 1097 || !mUpdateMonitor.isDeviceProvisioned()) { 1098 1099 // if the setup wizard hasn't run yet, don't show 1100 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 1101 final boolean absent = SubscriptionManager.isValidSubscriptionId( 1102 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 1103 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 1104 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 1105 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 1106 || ((absent || disabled) && requireSim); 1107 1108 if (!lockedOrMissing && shouldWaitForProvisioning()) { 1109 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 1110 + " and the sim is not locked or missing"); 1111 return; 1112 } 1113 1114 if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) 1115 && !lockedOrMissing) { 1116 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 1117 return; 1118 } 1119 1120 if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { 1121 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 1122 // Without this, settings is not enabled until the lock screen first appears 1123 setShowingLocked(false); 1124 hideLocked(); 1125 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 1126 return; 1127 } 1128 } 1129 1130 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 1131 showLocked(options); 1132 } 1133 1134 private void lockProfile(int userId) { 1135 mTrustManager.setDeviceLockedForUser(userId, true); 1136 } 1137 1138 private boolean shouldWaitForProvisioning() { 1139 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 1140 } 1141 1142 /** 1143 * Dismiss the keyguard through the security layers. 1144 */ 1145 public void handleDismiss() { 1146 if (mShowing && !mOccluded) { 1147 mStatusBarKeyguardViewManager.dismiss(); 1148 } 1149 } 1150 1151 public void dismiss() { 1152 mHandler.sendEmptyMessage(DISMISS); 1153 } 1154 1155 /** 1156 * Send message to keyguard telling it to reset its state. 1157 * @see #handleReset 1158 */ 1159 private void resetStateLocked() { 1160 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1161 Message msg = mHandler.obtainMessage(RESET); 1162 mHandler.sendMessage(msg); 1163 } 1164 1165 /** 1166 * Send message to keyguard telling it to verify unlock 1167 * @see #handleVerifyUnlock() 1168 */ 1169 private void verifyUnlockLocked() { 1170 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1171 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1172 } 1173 1174 private void notifyStartedGoingToSleep() { 1175 if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); 1176 mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); 1177 } 1178 1179 private void notifyFinishedGoingToSleep() { 1180 if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); 1181 mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); 1182 } 1183 1184 private void notifyStartedWakingUp() { 1185 if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); 1186 mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); 1187 } 1188 1189 private void notifyScreenOn(IKeyguardDrawnCallback callback) { 1190 if (DEBUG) Log.d(TAG, "notifyScreenOn"); 1191 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); 1192 mHandler.sendMessage(msg); 1193 } 1194 1195 private void notifyScreenTurnedOn() { 1196 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); 1197 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); 1198 mHandler.sendMessage(msg); 1199 } 1200 1201 private void notifyScreenTurnedOff() { 1202 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); 1203 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); 1204 mHandler.sendMessage(msg); 1205 } 1206 1207 /** 1208 * Send message to keyguard telling it to show itself 1209 * @see #handleShow 1210 */ 1211 private void showLocked(Bundle options) { 1212 if (DEBUG) Log.d(TAG, "showLocked"); 1213 // ensure we stay awake until we are finished displaying the keyguard 1214 mShowKeyguardWakeLock.acquire(); 1215 Message msg = mHandler.obtainMessage(SHOW, options); 1216 mHandler.sendMessage(msg); 1217 } 1218 1219 /** 1220 * Send message to keyguard telling it to hide itself 1221 * @see #handleHide() 1222 */ 1223 private void hideLocked() { 1224 if (DEBUG) Log.d(TAG, "hideLocked"); 1225 Message msg = mHandler.obtainMessage(HIDE); 1226 mHandler.sendMessage(msg); 1227 } 1228 1229 public boolean isSecure() { 1230 return mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser()) 1231 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1232 } 1233 1234 /** 1235 * Update the newUserId. Call while holding WindowManagerService lock. 1236 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1237 * 1238 * @param newUserId The id of the incoming user. 1239 */ 1240 public void setCurrentUser(int newUserId) { 1241 KeyguardUpdateMonitor.setCurrentUser(newUserId); 1242 } 1243 1244 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1245 @Override 1246 public void onReceive(Context context, Intent intent) { 1247 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1248 final int sequence = intent.getIntExtra("seq", 0); 1249 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1250 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1251 synchronized (KeyguardViewMediator.this) { 1252 doKeyguardLocked(null); 1253 } 1254 } else if (DELAYED_LOCK_PROFILE_ACTION.equals(intent.getAction())) { 1255 int userId = intent.getIntExtra(Intent.EXTRA_USER_ID, 0); 1256 if (userId != 0) { 1257 synchronized (KeyguardViewMediator.this) { 1258 lockProfile(userId); 1259 } 1260 } 1261 } 1262 } 1263 }; 1264 1265 public void keyguardDone(boolean authenticated) { 1266 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated +")"); 1267 EventLog.writeEvent(70000, 2); 1268 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0); 1269 mHandler.sendMessage(msg); 1270 } 1271 1272 /** 1273 * This handler will be associated with the policy thread, which will also 1274 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1275 * this class, can be called by other threads, any action that directly 1276 * interacts with the keyguard ui should be posted to this handler, rather 1277 * than called directly. 1278 */ 1279 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1280 @Override 1281 public void handleMessage(Message msg) { 1282 switch (msg.what) { 1283 case SHOW: 1284 handleShow((Bundle) msg.obj); 1285 break; 1286 case HIDE: 1287 handleHide(); 1288 break; 1289 case RESET: 1290 handleReset(); 1291 break; 1292 case VERIFY_UNLOCK: 1293 handleVerifyUnlock(); 1294 break; 1295 case NOTIFY_STARTED_GOING_TO_SLEEP: 1296 handleNotifyStartedGoingToSleep(); 1297 break; 1298 case NOTIFY_FINISHED_GOING_TO_SLEEP: 1299 handleNotifyFinishedGoingToSleep(); 1300 break; 1301 case NOTIFY_SCREEN_TURNING_ON: 1302 handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); 1303 break; 1304 case NOTIFY_SCREEN_TURNED_ON: 1305 handleNotifyScreenTurnedOn(); 1306 break; 1307 case NOTIFY_SCREEN_TURNED_OFF: 1308 handleNotifyScreenTurnedOff(); 1309 break; 1310 case NOTIFY_STARTED_WAKING_UP: 1311 handleNotifyStartedWakingUp(); 1312 break; 1313 case KEYGUARD_DONE: 1314 handleKeyguardDone(msg.arg1 != 0); 1315 break; 1316 case KEYGUARD_DONE_DRAWING: 1317 handleKeyguardDoneDrawing(); 1318 break; 1319 case SET_OCCLUDED: 1320 handleSetOccluded(msg.arg1 != 0); 1321 break; 1322 case KEYGUARD_TIMEOUT: 1323 synchronized (KeyguardViewMediator.this) { 1324 doKeyguardLocked((Bundle) msg.obj); 1325 } 1326 break; 1327 case DISMISS: 1328 handleDismiss(); 1329 break; 1330 case START_KEYGUARD_EXIT_ANIM: 1331 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1332 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1333 FalsingManager.getInstance(mContext).onSucccessfulUnlock(); 1334 break; 1335 case KEYGUARD_DONE_PENDING_TIMEOUT: 1336 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1337 // Fall through. 1338 case ON_ACTIVITY_DRAWN: 1339 handleOnActivityDrawn(); 1340 break; 1341 } 1342 } 1343 }; 1344 1345 /** 1346 * @see #keyguardDone 1347 * @see #KEYGUARD_DONE 1348 */ 1349 private void handleKeyguardDone(boolean authenticated) { 1350 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1351 synchronized (this) { 1352 resetKeyguardDonePendingLocked(); 1353 } 1354 1355 if (authenticated) { 1356 mUpdateMonitor.clearFailedUnlockAttempts(); 1357 } 1358 mUpdateMonitor.clearFingerprintRecognized(); 1359 1360 if (mGoingToSleep) { 1361 Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); 1362 return; 1363 } 1364 if (mExitSecureCallback != null) { 1365 try { 1366 mExitSecureCallback.onKeyguardExitResult(authenticated); 1367 } catch (RemoteException e) { 1368 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1369 } 1370 1371 mExitSecureCallback = null; 1372 1373 if (authenticated) { 1374 // after succesfully exiting securely, no need to reshow 1375 // the keyguard when they've released the lock 1376 mExternallyEnabled = true; 1377 mNeedToReshowWhenReenabled = false; 1378 updateInputRestricted(); 1379 } 1380 } 1381 1382 handleHide(); 1383 } 1384 1385 private void sendUserPresentBroadcast() { 1386 synchronized (this) { 1387 if (mBootCompleted) { 1388 final UserHandle currentUser = new UserHandle(KeyguardUpdateMonitor.getCurrentUser()); 1389 final UserManager um = (UserManager) mContext.getSystemService( 1390 Context.USER_SERVICE); 1391 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1392 for (UserInfo ui : userHandles) { 1393 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1394 } 1395 } else { 1396 mBootSendUserPresent = true; 1397 } 1398 } 1399 } 1400 1401 /** 1402 * @see #keyguardDone 1403 * @see #KEYGUARD_DONE_DRAWING 1404 */ 1405 private void handleKeyguardDoneDrawing() { 1406 synchronized(this) { 1407 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1408 if (mWaitingUntilKeyguardVisible) { 1409 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1410 mWaitingUntilKeyguardVisible = false; 1411 notifyAll(); 1412 1413 // there will usually be two of these sent, one as a timeout, and one 1414 // as a result of the callback, so remove any remaining messages from 1415 // the queue 1416 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1417 } 1418 } 1419 } 1420 1421 private void playSounds(boolean locked) { 1422 playSound(locked ? mLockSoundId : mUnlockSoundId); 1423 } 1424 1425 private void playSound(int soundId) { 1426 if (soundId == 0) return; 1427 final ContentResolver cr = mContext.getContentResolver(); 1428 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1429 1430 mLockSounds.stop(mLockSoundStreamId); 1431 // Init mAudioManager 1432 if (mAudioManager == null) { 1433 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1434 if (mAudioManager == null) return; 1435 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1436 } 1437 // If the stream is muted, don't play the sound 1438 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1439 1440 mLockSoundStreamId = mLockSounds.play(soundId, 1441 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1442 } 1443 } 1444 1445 private void playTrustedSound() { 1446 playSound(mTrustedSoundId); 1447 } 1448 1449 private void updateActivityLockScreenState() { 1450 try { 1451 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1452 } catch (RemoteException e) { 1453 } 1454 } 1455 1456 /** 1457 * Handle message sent by {@link #showLocked}. 1458 * @see #SHOW 1459 */ 1460 private void handleShow(Bundle options) { 1461 synchronized (KeyguardViewMediator.this) { 1462 if (!mSystemReady) { 1463 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1464 return; 1465 } else { 1466 if (DEBUG) Log.d(TAG, "handleShow"); 1467 } 1468 1469 setShowingLocked(true); 1470 mStatusBarKeyguardViewManager.show(options); 1471 mHiding = false; 1472 mWakeAndUnlocking = false; 1473 resetKeyguardDonePendingLocked(); 1474 mHideAnimationRun = false; 1475 updateActivityLockScreenState(); 1476 adjustStatusBarLocked(); 1477 userActivity(); 1478 1479 mShowKeyguardWakeLock.release(); 1480 } 1481 mKeyguardDisplayManager.show(); 1482 } 1483 1484 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1485 @Override 1486 public void run() { 1487 try { 1488 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1489 1490 // Don't actually hide the Keyguard at the moment, wait for window 1491 // manager until it tells us it's safe to do so with 1492 // startKeyguardExitAnimation. 1493 ActivityManagerNative.getDefault().keyguardGoingAway( 1494 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() 1495 || mWakeAndUnlocking, 1496 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1497 } catch (RemoteException e) { 1498 Log.e(TAG, "Error while calling WindowManager", e); 1499 } 1500 } 1501 }; 1502 1503 /** 1504 * Handle message sent by {@link #hideLocked()} 1505 * @see #HIDE 1506 */ 1507 private void handleHide() { 1508 synchronized (KeyguardViewMediator.this) { 1509 if (DEBUG) Log.d(TAG, "handleHide"); 1510 1511 if (UserManager.isSplitSystemUser() 1512 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) { 1513 // In split system user mode, we never unlock system user. The end user has to 1514 // switch to another user. 1515 // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up 1516 // still completes and makes the screen blank. 1517 if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); 1518 return; 1519 } 1520 mHiding = true; 1521 if (mShowing && !mOccluded) { 1522 if (!mHideAnimationRun) { 1523 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1524 } else { 1525 mKeyguardGoingAwayRunnable.run(); 1526 } 1527 } else { 1528 1529 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1530 // manager won't start the exit animation. 1531 handleStartKeyguardExitAnimation( 1532 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1533 mHideAnimation.getDuration()); 1534 } 1535 } 1536 } 1537 1538 private void handleOnActivityDrawn() { 1539 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1540 if (mKeyguardDonePending) { 1541 mStatusBarKeyguardViewManager.onActivityDrawn(); 1542 } 1543 } 1544 1545 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1546 synchronized (KeyguardViewMediator.this) { 1547 1548 if (!mHiding) { 1549 return; 1550 } 1551 mHiding = false; 1552 1553 if (mWakeAndUnlocking && mDrawnCallback != null) { 1554 1555 // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report 1556 // the next draw from here so we don't have to wait for window manager to signal 1557 // this to our ViewRootImpl. 1558 mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); 1559 notifyDrawn(mDrawnCallback); 1560 } 1561 1562 // only play "unlock" noises if not on a call (since the incall UI 1563 // disables the keyguard) 1564 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1565 playSounds(false); 1566 } 1567 1568 setShowingLocked(false); 1569 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1570 resetKeyguardDonePendingLocked(); 1571 mHideAnimationRun = false; 1572 updateActivityLockScreenState(); 1573 adjustStatusBarLocked(); 1574 sendUserPresentBroadcast(); 1575 } 1576 } 1577 1578 private void adjustStatusBarLocked() { 1579 if (mStatusBarManager == null) { 1580 mStatusBarManager = (StatusBarManager) 1581 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1582 } 1583 if (mStatusBarManager == null) { 1584 Log.w(TAG, "Could not get status bar manager"); 1585 } else { 1586 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1587 // windows that appear on top, ever 1588 int flags = StatusBarManager.DISABLE_NONE; 1589 if (mShowing) { 1590 // Permanently disable components not available when keyguard is enabled 1591 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1592 // done in KeyguardHostView. 1593 flags |= StatusBarManager.DISABLE_RECENT; 1594 flags |= StatusBarManager.DISABLE_SEARCH; 1595 } 1596 if (isShowingAndNotOccluded()) { 1597 flags |= StatusBarManager.DISABLE_HOME; 1598 } 1599 1600 if (DEBUG) { 1601 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1602 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1603 } 1604 1605 if (!(mContext instanceof Activity)) { 1606 mStatusBarManager.disable(flags); 1607 } 1608 } 1609 } 1610 1611 /** 1612 * Handle message sent by {@link #resetStateLocked} 1613 * @see #RESET 1614 */ 1615 private void handleReset() { 1616 synchronized (KeyguardViewMediator.this) { 1617 if (DEBUG) Log.d(TAG, "handleReset"); 1618 mStatusBarKeyguardViewManager.reset(); 1619 } 1620 } 1621 1622 /** 1623 * Handle message sent by {@link #verifyUnlock} 1624 * @see #VERIFY_UNLOCK 1625 */ 1626 private void handleVerifyUnlock() { 1627 synchronized (KeyguardViewMediator.this) { 1628 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1629 setShowingLocked(true); 1630 mStatusBarKeyguardViewManager.verifyUnlock(); 1631 updateActivityLockScreenState(); 1632 } 1633 } 1634 1635 private void handleNotifyStartedGoingToSleep() { 1636 synchronized (KeyguardViewMediator.this) { 1637 if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); 1638 mStatusBarKeyguardViewManager.onStartedGoingToSleep(); 1639 } 1640 } 1641 1642 /** 1643 * Handle message sent by {@link #notifyFinishedGoingToSleep()} 1644 * @see #NOTIFY_FINISHED_GOING_TO_SLEEP 1645 */ 1646 private void handleNotifyFinishedGoingToSleep() { 1647 synchronized (KeyguardViewMediator.this) { 1648 if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); 1649 mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); 1650 } 1651 } 1652 1653 private void handleNotifyStartedWakingUp() { 1654 synchronized (KeyguardViewMediator.this) { 1655 if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); 1656 mStatusBarKeyguardViewManager.onStartedWakingUp(); 1657 } 1658 } 1659 1660 private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { 1661 synchronized (KeyguardViewMediator.this) { 1662 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); 1663 mStatusBarKeyguardViewManager.onScreenTurningOn(); 1664 if (callback != null) { 1665 if (mWakeAndUnlocking) { 1666 mDrawnCallback = callback; 1667 } else { 1668 notifyDrawn(callback); 1669 } 1670 } 1671 } 1672 } 1673 1674 private void handleNotifyScreenTurnedOn() { 1675 synchronized (this) { 1676 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); 1677 mStatusBarKeyguardViewManager.onScreenTurnedOn(); 1678 } 1679 } 1680 1681 private void handleNotifyScreenTurnedOff() { 1682 synchronized (this) { 1683 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); 1684 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1685 mWakeAndUnlocking = false; 1686 } 1687 } 1688 1689 private void notifyDrawn(final IKeyguardDrawnCallback callback) { 1690 try { 1691 callback.onDrawn(); 1692 } catch (RemoteException e) { 1693 Slog.w(TAG, "Exception calling onDrawn():", e); 1694 } 1695 } 1696 1697 private void resetKeyguardDonePendingLocked() { 1698 mKeyguardDonePending = false; 1699 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1700 } 1701 1702 public void onBootCompleted() { 1703 mUpdateMonitor.dispatchBootCompleted(); 1704 synchronized (this) { 1705 mBootCompleted = true; 1706 if (mBootSendUserPresent) { 1707 sendUserPresentBroadcast(); 1708 } 1709 } 1710 } 1711 1712 public void onWakeAndUnlocking() { 1713 mWakeAndUnlocking = true; 1714 keyguardDone(true /* authenticated */); 1715 } 1716 1717 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1718 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1719 ScrimController scrimController, 1720 FingerprintUnlockController fingerprintUnlockController) { 1721 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1722 statusBarWindowManager, scrimController, fingerprintUnlockController); 1723 return mStatusBarKeyguardViewManager; 1724 } 1725 1726 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1727 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1728 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1729 mHandler.sendMessage(msg); 1730 } 1731 1732 public void onActivityDrawn() { 1733 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1734 } 1735 public ViewMediatorCallback getViewMediatorCallback() { 1736 return mViewMediatorCallback; 1737 } 1738 1739 @Override 1740 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1741 pw.print(" mSystemReady: "); pw.println(mSystemReady); 1742 pw.print(" mBootCompleted: "); pw.println(mBootCompleted); 1743 pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); 1744 pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); 1745 pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); 1746 pw.print(" mShowing: "); pw.println(mShowing); 1747 pw.print(" mInputRestricted: "); pw.println(mInputRestricted); 1748 pw.print(" mOccluded: "); pw.println(mOccluded); 1749 pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); 1750 pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); 1751 pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); 1752 pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); 1753 pw.print(" mHiding: "); pw.println(mHiding); 1754 pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); 1755 pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); 1756 pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); 1757 pw.print(" mPendingReset: "); pw.println(mPendingReset); 1758 pw.print(" mPendingLock: "); pw.println(mPendingLock); 1759 pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); 1760 pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); 1761 } 1762 1763 private static class StartKeyguardExitAnimParams { 1764 1765 long startTime; 1766 long fadeoutDuration; 1767 1768 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1769 this.startTime = startTime; 1770 this.fadeoutDuration = fadeoutDuration; 1771 } 1772 } 1773 1774 private void setShowingLocked(boolean showing) { 1775 if (showing != mShowing) { 1776 mShowing = showing; 1777 int size = mKeyguardStateCallbacks.size(); 1778 for (int i = size - 1; i >= 0; i--) { 1779 try { 1780 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1781 } catch (RemoteException e) { 1782 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1783 if (e instanceof DeadObjectException) { 1784 mKeyguardStateCallbacks.remove(i); 1785 } 1786 } 1787 } 1788 updateInputRestrictedLocked(); 1789 mTrustManager.reportKeyguardShowingChanged(); 1790 } 1791 } 1792 1793 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1794 synchronized (this) { 1795 mKeyguardStateCallbacks.add(callback); 1796 try { 1797 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1798 callback.onShowingStateChanged(mShowing); 1799 callback.onInputRestrictedStateChanged(mInputRestricted); 1800 } catch (RemoteException e) { 1801 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged or onInputRestrictedStateChanged", e); 1802 } 1803 } 1804 } 1805} 1806