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 17 package com.android.systemui.keyguard; 18 19 import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 20 21 import static com.android.internal.telephony.IccCardConstants.State.ABSENT; 22 import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_USER_REQUEST; 23 import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 24 import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_LOCKOUT; 25 26 import android.app.Activity; 27 import android.app.ActivityManager; 28 import android.app.ActivityManagerNative; 29 import android.app.AlarmManager; 30 import android.app.PendingIntent; 31 import android.app.SearchManager; 32 import android.app.StatusBarManager; 33 import android.app.trust.TrustManager; 34 import android.content.BroadcastReceiver; 35 import android.content.ContentResolver; 36 import android.content.Context; 37 import android.content.Intent; 38 import android.content.IntentFilter; 39 import android.content.pm.UserInfo; 40 import android.media.AudioManager; 41 import android.media.SoundPool; 42 import android.os.Bundle; 43 import android.os.DeadObjectException; 44 import android.os.Handler; 45 import android.os.Looper; 46 import android.os.Message; 47 import android.os.PowerManager; 48 import android.os.RemoteException; 49 import android.os.SystemClock; 50 import android.os.SystemProperties; 51 import android.os.Trace; 52 import android.os.UserHandle; 53 import android.os.UserManager; 54 import android.os.storage.StorageManager; 55 import android.provider.Settings; 56 import android.telephony.SubscriptionManager; 57 import android.telephony.TelephonyManager; 58 import android.util.EventLog; 59 import android.util.Log; 60 import android.util.Slog; 61 import android.view.IWindowManager; 62 import android.view.ViewGroup; 63 import android.view.WindowManagerGlobal; 64 import android.view.WindowManagerPolicy; 65 import android.view.animation.Animation; 66 import android.view.animation.AnimationUtils; 67 68 import com.android.internal.logging.MetricsLogger; 69 import com.android.internal.logging.MetricsProto.MetricsEvent; 70 import com.android.internal.policy.IKeyguardDrawnCallback; 71 import com.android.internal.policy.IKeyguardExitCallback; 72 import com.android.internal.policy.IKeyguardStateCallback; 73 import com.android.internal.telephony.IccCardConstants; 74 import com.android.internal.widget.LockPatternUtils; 75 import com.android.keyguard.KeyguardConstants; 76 import com.android.keyguard.KeyguardDisplayManager; 77 import com.android.keyguard.KeyguardSecurityView; 78 import com.android.keyguard.KeyguardUpdateMonitor; 79 import com.android.keyguard.KeyguardUpdateMonitorCallback; 80 import com.android.keyguard.ViewMediatorCallback; 81 import com.android.systemui.SystemUI; 82 import com.android.systemui.SystemUIFactory; 83 import com.android.systemui.classifier.FalsingManager; 84 import com.android.systemui.statusbar.phone.FingerprintUnlockController; 85 import com.android.systemui.statusbar.phone.PhoneStatusBar; 86 import com.android.systemui.statusbar.phone.ScrimController; 87 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 88 import com.android.systemui.statusbar.phone.StatusBarWindowManager; 89 90 import java.io.FileDescriptor; 91 import java.io.PrintWriter; 92 import java.util.ArrayList; 93 94 /** 95 * Mediates requests related to the keyguard. This includes queries about the 96 * state of the keyguard, power management events that effect whether the keyguard 97 * should be shown or reset, callbacks to the phone window manager to notify 98 * it of when the keyguard is showing, and events from the keyguard view itself 99 * stating that the keyguard was succesfully unlocked. 100 * 101 * Note that the keyguard view is shown when the screen is off (as appropriate) 102 * so that once the screen comes on, it will be ready immediately. 103 * 104 * Example queries about the keyguard: 105 * - is {movement, key} one that should wake the keygaurd? 106 * - is the keyguard showing? 107 * - are input events restricted due to the state of the keyguard? 108 * 109 * Callbacks to the phone window manager: 110 * - the keyguard is showing 111 * 112 * Example external events that translate to keyguard view changes: 113 * - screen turned off -> reset the keyguard, and show it so it will be ready 114 * next time the screen turns on 115 * - keyboard is slid open -> if the keyguard is not secure, hide it 116 * 117 * Events from the keyguard view: 118 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 119 * restrict input events. 120 * 121 * Note: in addition to normal power managment events that effect the state of 122 * whether the keyguard should be showing, external apps and services may request 123 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 124 * false, this will override all other conditions for turning on the keyguard. 125 * 126 * Threading and synchronization: 127 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 128 * and runs on its thread. The keyguard UI is created from that thread in the 129 * constructor of this class. The apis may be called from other threads, including the 130 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 131 * Therefore, methods on this class are synchronized, and any action that is pointed 132 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 133 * thread of the keyguard. 134 */ 135 public class KeyguardViewMediator extends SystemUI { 136 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 137 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 138 139 private static final boolean DEBUG = KeyguardConstants.DEBUG; 140 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 141 private final static boolean DBG_WAKE = false; 142 143 private final static String TAG = "KeyguardViewMediator"; 144 145 private static final String DELAYED_KEYGUARD_ACTION = 146 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 147 private static final String DELAYED_LOCK_PROFILE_ACTION = 148 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_LOCK"; 149 150 // used for handler messages 151 private static final int SHOW = 2; 152 private static final int HIDE = 3; 153 private static final int RESET = 4; 154 private static final int VERIFY_UNLOCK = 5; 155 private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 6; 156 private static final int NOTIFY_SCREEN_TURNING_ON = 7; 157 private static final int KEYGUARD_DONE = 9; 158 private static final int KEYGUARD_DONE_DRAWING = 10; 159 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 160 private static final int SET_OCCLUDED = 12; 161 private static final int KEYGUARD_TIMEOUT = 13; 162 private static final int DISMISS = 17; 163 private static final int START_KEYGUARD_EXIT_ANIM = 18; 164 private static final int ON_ACTIVITY_DRAWN = 19; 165 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 166 private static final int NOTIFY_STARTED_WAKING_UP = 21; 167 private static final int NOTIFY_SCREEN_TURNED_ON = 22; 168 private static final int NOTIFY_SCREEN_TURNED_OFF = 23; 169 private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 24; 170 171 /** 172 * The default amount of time we stay awake (used for all key input) 173 */ 174 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 175 176 /** 177 * How long to wait after the screen turns off due to timeout before 178 * turning on the keyguard (i.e, the user has this much time to turn 179 * the screen back on without having to face the keyguard). 180 */ 181 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 182 183 /** 184 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 185 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 186 * that is reenabling the keyguard. 187 */ 188 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 189 190 /** 191 * Secure setting whether analytics are collected on the keyguard. 192 */ 193 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 194 195 /** The stream type that the lock sounds are tied to. */ 196 private int mUiSoundsStreamType; 197 198 private AlarmManager mAlarmManager; 199 private AudioManager mAudioManager; 200 private StatusBarManager mStatusBarManager; 201 private boolean mSwitchingUser; 202 203 private boolean mSystemReady; 204 private boolean mBootCompleted; 205 private boolean mBootSendUserPresent; 206 private boolean mShuttingDown; 207 208 /** High level access to the power manager for WakeLocks */ 209 private PowerManager mPM; 210 211 /** High level access to the window manager for dismissing keyguard animation */ 212 private IWindowManager mWM; 213 214 215 /** TrustManager for letting it know when we change visibility */ 216 private TrustManager mTrustManager; 217 218 /** SearchManager for determining whether or not search assistant is available */ 219 private SearchManager mSearchManager; 220 221 /** 222 * Used to keep the device awake while to ensure the keyguard finishes opening before 223 * we sleep. 224 */ 225 private PowerManager.WakeLock mShowKeyguardWakeLock; 226 227 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 228 229 // these are protected by synchronized (this) 230 231 /** 232 * External apps (like the phone app) can tell us to disable the keygaurd. 233 */ 234 private boolean mExternallyEnabled = true; 235 236 /** 237 * Remember if an external call to {@link #setKeyguardEnabled} with value 238 * false caused us to hide the keyguard, so that we need to reshow it once 239 * the keygaurd is reenabled with another call with value true. 240 */ 241 private boolean mNeedToReshowWhenReenabled = false; 242 243 // cached value of whether we are showing (need to know this to quickly 244 // answer whether the input should be restricted) 245 private boolean mShowing; 246 247 /** Cached value of #isInputRestricted */ 248 private boolean mInputRestricted; 249 250 // true if the keyguard is hidden by another window 251 private boolean mOccluded = false; 252 253 /** 254 * Helps remember whether the screen has turned on since the last time 255 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 256 */ 257 private int mDelayedShowingSequence; 258 259 /** 260 * Simiar to {@link #mDelayedProfileShowingSequence}, but it is for profile case. 261 */ 262 private int mDelayedProfileShowingSequence; 263 264 /** 265 * If the user has disabled the keyguard, then requests to exit, this is 266 * how we'll ultimately let them know whether it was successful. We use this 267 * var being non-null as an indicator that there is an in progress request. 268 */ 269 private IKeyguardExitCallback mExitSecureCallback; 270 271 // the properties of the keyguard 272 273 private KeyguardUpdateMonitor mUpdateMonitor; 274 275 private boolean mDeviceInteractive; 276 private boolean mGoingToSleep; 277 278 // last known state of the cellular connection 279 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 280 281 /** 282 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 283 * called. 284 * */ 285 private boolean mHiding; 286 287 /** 288 * we send this intent when the keyguard is dismissed. 289 */ 290 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 291 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 292 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 293 294 /** 295 * {@link #setKeyguardEnabled} waits on this condition when it reenables 296 * the keyguard. 297 */ 298 private boolean mWaitingUntilKeyguardVisible = false; 299 private LockPatternUtils mLockPatternUtils; 300 private boolean mKeyguardDonePending = false; 301 private boolean mHideAnimationRun = false; 302 303 private SoundPool mLockSounds; 304 private int mLockSoundId; 305 private int mUnlockSoundId; 306 private int mTrustedSoundId; 307 private int mLockSoundStreamId; 308 309 /** 310 * The animation used for hiding keyguard. This is used to fetch the animation timings if 311 * WindowManager is not providing us with them. 312 */ 313 private Animation mHideAnimation; 314 315 /** 316 * The volume applied to the lock/unlock sounds. 317 */ 318 private float mLockSoundVolume; 319 320 /** 321 * For managing external displays 322 */ 323 private KeyguardDisplayManager mKeyguardDisplayManager; 324 325 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 326 327 /** 328 * When starting going to sleep, we figured out that we need to reset Keyguard state and this 329 * should be committed when finished going to sleep. 330 */ 331 private boolean mPendingReset; 332 333 /** 334 * When starting going to sleep, we figured out that we need to lock Keyguard and this should be 335 * committed when finished going to sleep. 336 */ 337 private boolean mPendingLock; 338 339 private boolean mLockLater; 340 341 private boolean mWakeAndUnlocking; 342 private IKeyguardDrawnCallback mDrawnCallback; 343 private boolean mLockWhenSimRemoved; 344 345 private boolean mIsPerUserLock; 346 347 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 348 349 @Override 350 public void onUserSwitching(int userId) { 351 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 352 // We need to force a reset of the views, since lockNow (called by 353 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 354 synchronized (KeyguardViewMediator.this) { 355 mSwitchingUser = true; 356 resetKeyguardDonePendingLocked(); 357 resetStateLocked(); 358 adjustStatusBarLocked(); 359 } 360 } 361 362 @Override 363 public void onUserSwitchComplete(int userId) { 364 mSwitchingUser = false; 365 if (userId != UserHandle.USER_SYSTEM) { 366 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 367 if (info != null && (info.isGuest() || info.isDemo())) { 368 // If we just switched to a guest, try to dismiss keyguard. 369 dismiss(false /* allowWhileOccluded */); 370 } 371 } 372 } 373 374 @Override 375 public void onUserInfoChanged(int userId) { 376 } 377 378 @Override 379 public void onPhoneStateChanged(int phoneState) { 380 synchronized (KeyguardViewMediator.this) { 381 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 382 && !mDeviceInteractive // screen off 383 && mExternallyEnabled) { // not disabled by any app 384 385 // note: this is a way to gracefully reenable the keyguard when the call 386 // ends and the screen is off without always reenabling the keyguard 387 // each time the screen turns off while in call (and having an occasional ugly 388 // flicker while turning back on the screen and disabling the keyguard again). 389 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 390 + "keyguard is showing"); 391 doKeyguardLocked(null); 392 } 393 } 394 } 395 396 @Override 397 public void onClockVisibilityChanged() { 398 adjustStatusBarLocked(); 399 } 400 401 @Override 402 public void onDeviceProvisioned() { 403 sendUserPresentBroadcast(); 404 synchronized (KeyguardViewMediator.this) { 405 // If system user is provisioned, we might want to lock now to avoid showing launcher 406 if (mustNotUnlockCurrentUser()) { 407 doKeyguardLocked(null); 408 } 409 } 410 } 411 412 @Override 413 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 414 415 if (DEBUG_SIM_STATES) { 416 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 417 + ",state=" + simState + ")"); 418 } 419 420 int size = mKeyguardStateCallbacks.size(); 421 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 422 for (int i = size - 1; i >= 0; i--) { 423 try { 424 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 425 } catch (RemoteException e) { 426 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 427 if (e instanceof DeadObjectException) { 428 mKeyguardStateCallbacks.remove(i); 429 } 430 } 431 } 432 433 switch (simState) { 434 case NOT_READY: 435 case ABSENT: 436 // only force lock screen in case of missing sim if user hasn't 437 // gone through setup wizard 438 synchronized (KeyguardViewMediator.this) { 439 if (shouldWaitForProvisioning()) { 440 if (!mShowing) { 441 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 442 + " we need to show the keyguard since the " 443 + "device isn't provisioned yet."); 444 doKeyguardLocked(null); 445 } else { 446 resetStateLocked(); 447 } 448 } 449 if (simState == ABSENT) { 450 // MVNO SIMs can become transiently NOT_READY when switching networks, 451 // so we should only lock when they are ABSENT. 452 onSimAbsentLocked(); 453 } 454 } 455 break; 456 case PIN_REQUIRED: 457 case PUK_REQUIRED: 458 synchronized (KeyguardViewMediator.this) { 459 if (!mShowing) { 460 if (DEBUG_SIM_STATES) Log.d(TAG, 461 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 462 + "showing; need to show keyguard so user can enter sim pin"); 463 doKeyguardLocked(null); 464 } else { 465 resetStateLocked(); 466 } 467 } 468 break; 469 case PERM_DISABLED: 470 synchronized (KeyguardViewMediator.this) { 471 if (!mShowing) { 472 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 473 + "keygaurd isn't showing."); 474 doKeyguardLocked(null); 475 } else { 476 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 477 + "show permanently disabled message in lockscreen."); 478 resetStateLocked(); 479 } 480 onSimAbsentLocked(); 481 } 482 break; 483 case READY: 484 synchronized (KeyguardViewMediator.this) { 485 if (mShowing) { 486 resetStateLocked(); 487 } 488 mLockWhenSimRemoved = true; 489 } 490 break; 491 default: 492 if (DEBUG_SIM_STATES) Log.v(TAG, "Unspecific state: " + simState); 493 synchronized (KeyguardViewMediator.this) { 494 onSimAbsentLocked(); 495 } 496 break; 497 } 498 } 499 500 private void onSimAbsentLocked() { 501 if (isSecure() && mLockWhenSimRemoved && !mShuttingDown) { 502 mLockWhenSimRemoved = false; 503 MetricsLogger.action(mContext, 504 MetricsEvent.ACTION_LOCK_BECAUSE_SIM_REMOVED, mShowing); 505 if (!mShowing) { 506 Log.i(TAG, "SIM removed, showing keyguard"); 507 doKeyguardLocked(null); 508 } 509 } 510 } 511 512 @Override 513 public void onFingerprintAuthFailed() { 514 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 515 if (mLockPatternUtils.isSecure(currentUser)) { 516 mLockPatternUtils.getDevicePolicyManager().reportFailedFingerprintAttempt( 517 currentUser); 518 } 519 } 520 521 @Override 522 public void onFingerprintAuthenticated(int userId) { 523 if (mLockPatternUtils.isSecure(userId)) { 524 mLockPatternUtils.getDevicePolicyManager().reportSuccessfulFingerprintAttempt( 525 userId); 526 } 527 } 528 529 @Override 530 public void onTrustChanged(int userId) { 531 if (userId == KeyguardUpdateMonitor.getCurrentUser()) { 532 synchronized (KeyguardViewMediator.this) { 533 notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(userId)); 534 } 535 } 536 } 537 538 @Override 539 public void onHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { 540 synchronized (KeyguardViewMediator.this) { 541 notifyHasLockscreenWallpaperChanged(hasLockscreenWallpaper); 542 } 543 } 544 }; 545 546 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 547 548 @Override 549 public void userActivity() { 550 KeyguardViewMediator.this.userActivity(); 551 } 552 553 @Override 554 public void keyguardDone(boolean strongAuth) { 555 if (!mKeyguardDonePending) { 556 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 557 } 558 if (strongAuth) { 559 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 560 } 561 } 562 563 @Override 564 public void keyguardDoneDrawing() { 565 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDoneDrawing"); 566 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 567 Trace.endSection(); 568 } 569 570 @Override 571 public void setNeedsInput(boolean needsInput) { 572 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 573 } 574 575 @Override 576 public void keyguardDonePending(boolean strongAuth) { 577 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDonePending"); 578 mKeyguardDonePending = true; 579 mHideAnimationRun = true; 580 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 581 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 582 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 583 if (strongAuth) { 584 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 585 } 586 Trace.endSection(); 587 } 588 589 @Override 590 public void keyguardGone() { 591 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardGone"); 592 mKeyguardDisplayManager.hide(); 593 Trace.endSection(); 594 } 595 596 @Override 597 public void readyForKeyguardDone() { 598 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#readyForKeyguardDone"); 599 if (mKeyguardDonePending) { 600 // Somebody has called keyguardDonePending before, which means that we are 601 // authenticated 602 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 603 } 604 Trace.endSection(); 605 } 606 607 @Override 608 public void resetKeyguard() { 609 resetStateLocked(); 610 } 611 612 @Override 613 public void playTrustedSound() { 614 KeyguardViewMediator.this.playTrustedSound(); 615 } 616 617 @Override 618 public boolean isInputRestricted() { 619 return KeyguardViewMediator.this.isInputRestricted(); 620 } 621 622 @Override 623 public boolean isScreenOn() { 624 return mDeviceInteractive; 625 } 626 627 @Override 628 public int getBouncerPromptReason() { 629 int currentUser = ActivityManager.getCurrentUser(); 630 boolean trust = mTrustManager.isTrustUsuallyManaged(currentUser); 631 boolean fingerprint = mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser); 632 boolean any = trust || fingerprint; 633 KeyguardUpdateMonitor.StrongAuthTracker strongAuthTracker = 634 mUpdateMonitor.getStrongAuthTracker(); 635 int strongAuth = strongAuthTracker.getStrongAuthForUser(currentUser); 636 637 if (any && !strongAuthTracker.hasUserAuthenticatedSinceBoot()) { 638 return KeyguardSecurityView.PROMPT_REASON_RESTART; 639 } else if (fingerprint && mUpdateMonitor.hasFingerprintUnlockTimedOut(currentUser)) { 640 return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; 641 } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW) != 0) { 642 return KeyguardSecurityView.PROMPT_REASON_DEVICE_ADMIN; 643 } else if (trust && (strongAuth & SOME_AUTH_REQUIRED_AFTER_USER_REQUEST) != 0) { 644 return KeyguardSecurityView.PROMPT_REASON_USER_REQUEST; 645 } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_LOCKOUT) != 0) { 646 return KeyguardSecurityView.PROMPT_REASON_AFTER_LOCKOUT; 647 } 648 return KeyguardSecurityView.PROMPT_REASON_NONE; 649 } 650 }; 651 userActivity()652 public void userActivity() { 653 mPM.userActivity(SystemClock.uptimeMillis(), false); 654 } 655 mustNotUnlockCurrentUser()656 boolean mustNotUnlockCurrentUser() { 657 return (UserManager.isSplitSystemUser() || UserManager.isDeviceInDemoMode(mContext)) 658 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM; 659 } 660 setupLocked()661 private void setupLocked() { 662 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 663 mWM = WindowManagerGlobal.getWindowManagerService(); 664 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 665 666 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 667 mShowKeyguardWakeLock.setReferenceCounted(false); 668 669 IntentFilter filter = new IntentFilter(); 670 filter.addAction(DELAYED_KEYGUARD_ACTION); 671 filter.addAction(DELAYED_LOCK_PROFILE_ACTION); 672 filter.addAction(Intent.ACTION_SHUTDOWN); 673 mContext.registerReceiver(mBroadcastReceiver, filter); 674 675 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 676 677 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 678 679 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 680 681 mLockPatternUtils = new LockPatternUtils(mContext); 682 KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); 683 684 // Assume keyguard is showing (unless it's disabled) until we know for sure... 685 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( 686 KeyguardUpdateMonitor.getCurrentUser())); 687 updateInputRestrictedLocked(); 688 mTrustManager.reportKeyguardShowingChanged(); 689 690 mStatusBarKeyguardViewManager = 691 SystemUIFactory.getInstance().createStatusBarKeyguardViewManager(mContext, 692 mViewMediatorCallback, mLockPatternUtils); 693 final ContentResolver cr = mContext.getContentResolver(); 694 695 mDeviceInteractive = mPM.isInteractive(); 696 697 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 698 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 699 if (soundPath != null) { 700 mLockSoundId = mLockSounds.load(soundPath, 1); 701 } 702 if (soundPath == null || mLockSoundId == 0) { 703 Log.w(TAG, "failed to load lock sound from " + soundPath); 704 } 705 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 706 if (soundPath != null) { 707 mUnlockSoundId = mLockSounds.load(soundPath, 1); 708 } 709 if (soundPath == null || mUnlockSoundId == 0) { 710 Log.w(TAG, "failed to load unlock sound from " + soundPath); 711 } 712 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 713 if (soundPath != null) { 714 mTrustedSoundId = mLockSounds.load(soundPath, 1); 715 } 716 if (soundPath == null || mTrustedSoundId == 0) { 717 Log.w(TAG, "failed to load trusted sound from " + soundPath); 718 } 719 720 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 721 com.android.internal.R.integer.config_lockSoundVolumeDb); 722 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 723 724 mHideAnimation = AnimationUtils.loadAnimation(mContext, 725 com.android.internal.R.anim.lock_screen_behind_enter); 726 } 727 728 @Override start()729 public void start() { 730 synchronized (this) { 731 setupLocked(); 732 } 733 putComponent(KeyguardViewMediator.class, this); 734 } 735 736 /** 737 * Let us know that the system is ready after startup. 738 */ onSystemReady()739 public void onSystemReady() { 740 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 741 synchronized (this) { 742 if (DEBUG) Log.d(TAG, "onSystemReady"); 743 mSystemReady = true; 744 doKeyguardLocked(null); 745 mUpdateMonitor.registerCallback(mUpdateCallback); 746 } 747 mIsPerUserLock = StorageManager.isFileEncryptedNativeOrEmulated(); 748 // Most services aren't available until the system reaches the ready state, so we 749 // send it here when the device first boots. 750 maybeSendUserPresentBroadcast(); 751 } 752 753 /** 754 * Called to let us know the screen was turned off. 755 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 756 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 757 */ onStartedGoingToSleep(int why)758 public void onStartedGoingToSleep(int why) { 759 if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); 760 synchronized (this) { 761 mDeviceInteractive = false; 762 mGoingToSleep = true; 763 764 // Lock immediately based on setting if secure (user has a pin/pattern/password). 765 // This also "locks" the device when not secure to provide easy access to the 766 // camera while preventing unwanted input. 767 int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 768 final boolean lockImmediately = 769 mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) 770 || !mLockPatternUtils.isSecure(currentUser); 771 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 772 mLockLater = false; 773 if (mExitSecureCallback != null) { 774 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 775 try { 776 mExitSecureCallback.onKeyguardExitResult(false); 777 } catch (RemoteException e) { 778 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 779 } 780 mExitSecureCallback = null; 781 if (!mExternallyEnabled) { 782 hideLocked(); 783 } 784 } else if (mShowing) { 785 mPendingReset = true; 786 } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) 787 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 788 doKeyguardLaterLocked(timeout); 789 mLockLater = true; 790 } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { 791 mPendingLock = true; 792 } 793 794 if (mPendingLock) { 795 playSounds(true); 796 } 797 } 798 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); 799 notifyStartedGoingToSleep(); 800 } 801 onFinishedGoingToSleep(int why, boolean cameraGestureTriggered)802 public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) { 803 if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); 804 synchronized (this) { 805 mDeviceInteractive = false; 806 mGoingToSleep = false; 807 808 resetKeyguardDonePendingLocked(); 809 mHideAnimationRun = false; 810 811 notifyFinishedGoingToSleep(); 812 813 if (cameraGestureTriggered) { 814 Log.i(TAG, "Camera gesture was triggered, preventing Keyguard locking."); 815 816 // Just to make sure, make sure the device is awake. 817 mContext.getSystemService(PowerManager.class).wakeUp(SystemClock.uptimeMillis(), 818 "com.android.systemui:CAMERA_GESTURE_PREVENT_LOCK"); 819 mPendingLock = false; 820 mPendingReset = false; 821 } 822 823 if (mPendingReset) { 824 resetStateLocked(); 825 mPendingReset = false; 826 } 827 828 if (mPendingLock) { 829 doKeyguardLocked(null); 830 mPendingLock = false; 831 } 832 833 // We do not have timeout and power button instant lock setting for profile lock. 834 // So we use the personal setting if there is any. But if there is no device 835 // we need to make sure we lock it immediately when the screen is off. 836 if (!mLockLater && !cameraGestureTriggered) { 837 doKeyguardForChildProfilesLocked(); 838 } 839 840 } 841 KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); 842 } 843 getLockTimeout(int userId)844 private long getLockTimeout(int userId) { 845 // if the screen turned off because of timeout or the user hit the power button 846 // and we don't need to lock immediately, set an alarm 847 // to enable it a little bit later (i.e, give the user a chance 848 // to turn the screen back on within a certain window without 849 // having to unlock the screen) 850 final ContentResolver cr = mContext.getContentResolver(); 851 852 // From SecuritySettings 853 final long lockAfterTimeout = Settings.Secure.getInt(cr, 854 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 855 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 856 857 // From DevicePolicyAdmin 858 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 859 .getMaximumTimeToLockForUserAndProfiles(userId); 860 861 long timeout; 862 863 if (policyTimeout <= 0) { 864 timeout = lockAfterTimeout; 865 } else { 866 // From DisplaySettings 867 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 868 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 869 870 // policy in effect. Make sure we don't go beyond policy limit. 871 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 872 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 873 timeout = Math.max(timeout, 0); 874 } 875 return timeout; 876 } 877 doKeyguardLaterLocked()878 private void doKeyguardLaterLocked() { 879 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 880 if (timeout == 0) { 881 doKeyguardLocked(null); 882 } else { 883 doKeyguardLaterLocked(timeout); 884 } 885 } 886 doKeyguardLaterLocked(long timeout)887 private void doKeyguardLaterLocked(long timeout) { 888 // Lock in the future 889 long when = SystemClock.elapsedRealtime() + timeout; 890 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 891 intent.putExtra("seq", mDelayedShowingSequence); 892 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 893 PendingIntent sender = PendingIntent.getBroadcast(mContext, 894 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 895 mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 896 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 897 + mDelayedShowingSequence); 898 doKeyguardLaterForChildProfilesLocked(); 899 } 900 doKeyguardLaterForChildProfilesLocked()901 private void doKeyguardLaterForChildProfilesLocked() { 902 UserManager um = UserManager.get(mContext); 903 for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { 904 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { 905 long userTimeout = getLockTimeout(profileId); 906 if (userTimeout == 0) { 907 doKeyguardForChildProfilesLocked(); 908 } else { 909 long userWhen = SystemClock.elapsedRealtime() + userTimeout; 910 Intent lockIntent = new Intent(DELAYED_LOCK_PROFILE_ACTION); 911 lockIntent.putExtra("seq", mDelayedProfileShowingSequence); 912 lockIntent.putExtra(Intent.EXTRA_USER_ID, profileId); 913 lockIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 914 PendingIntent lockSender = PendingIntent.getBroadcast( 915 mContext, 0, lockIntent, PendingIntent.FLAG_CANCEL_CURRENT); 916 mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, 917 userWhen, lockSender); 918 } 919 } 920 } 921 } 922 doKeyguardForChildProfilesLocked()923 private void doKeyguardForChildProfilesLocked() { 924 UserManager um = UserManager.get(mContext); 925 for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { 926 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { 927 lockProfile(profileId); 928 } 929 } 930 } 931 cancelDoKeyguardLaterLocked()932 private void cancelDoKeyguardLaterLocked() { 933 mDelayedShowingSequence++; 934 } 935 cancelDoKeyguardForChildProfilesLocked()936 private void cancelDoKeyguardForChildProfilesLocked() { 937 mDelayedProfileShowingSequence++; 938 } 939 940 /** 941 * Let's us know when the device is waking up. 942 */ onStartedWakingUp()943 public void onStartedWakingUp() { 944 Trace.beginSection("KeyguardViewMediator#onStartedWakingUp"); 945 946 // TODO: Rename all screen off/on references to interactive/sleeping 947 synchronized (this) { 948 mDeviceInteractive = true; 949 cancelDoKeyguardLaterLocked(); 950 cancelDoKeyguardForChildProfilesLocked(); 951 if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); 952 notifyStartedWakingUp(); 953 } 954 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); 955 maybeSendUserPresentBroadcast(); 956 Trace.endSection(); 957 } 958 onScreenTurningOn(IKeyguardDrawnCallback callback)959 public void onScreenTurningOn(IKeyguardDrawnCallback callback) { 960 Trace.beginSection("KeyguardViewMediator#onScreenTurningOn"); 961 notifyScreenOn(callback); 962 Trace.endSection(); 963 } 964 onScreenTurnedOn()965 public void onScreenTurnedOn() { 966 Trace.beginSection("KeyguardViewMediator#onScreenTurnedOn"); 967 notifyScreenTurnedOn(); 968 mUpdateMonitor.dispatchScreenTurnedOn(); 969 Trace.endSection(); 970 } 971 onScreenTurnedOff()972 public void onScreenTurnedOff() { 973 notifyScreenTurnedOff(); 974 mUpdateMonitor.dispatchScreenTurnedOff(); 975 } 976 maybeSendUserPresentBroadcast()977 private void maybeSendUserPresentBroadcast() { 978 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( 979 KeyguardUpdateMonitor.getCurrentUser())) { 980 // Lock screen is disabled because the user has set the preference to "None". 981 // In this case, send out ACTION_USER_PRESENT here instead of in 982 // handleKeyguardDone() 983 sendUserPresentBroadcast(); 984 } else if (mSystemReady && shouldWaitForProvisioning()) { 985 // Skipping the lockscreen because we're not yet provisioned, but we still need to 986 // notify the StrongAuthTracker that it's now safe to run trust agents, in case the 987 // user sets a credential later. 988 getLockPatternUtils().userPresent(KeyguardUpdateMonitor.getCurrentUser()); 989 } 990 } 991 992 /** 993 * A dream started. We should lock after the usual screen-off lock timeout but only 994 * if there is a secure lock pattern. 995 */ onDreamingStarted()996 public void onDreamingStarted() { 997 KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStarted(); 998 synchronized (this) { 999 if (mDeviceInteractive 1000 && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { 1001 doKeyguardLaterLocked(); 1002 } 1003 } 1004 } 1005 1006 /** 1007 * A dream stopped. 1008 */ onDreamingStopped()1009 public void onDreamingStopped() { 1010 KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStopped(); 1011 synchronized (this) { 1012 if (mDeviceInteractive) { 1013 cancelDoKeyguardLaterLocked(); 1014 } 1015 } 1016 } 1017 1018 /** 1019 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 1020 * a way for external stuff to override normal keyguard behavior. For instance 1021 * the phone app disables the keyguard when it receives incoming calls. 1022 */ setKeyguardEnabled(boolean enabled)1023 public void setKeyguardEnabled(boolean enabled) { 1024 synchronized (this) { 1025 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 1026 1027 mExternallyEnabled = enabled; 1028 1029 if (!enabled && mShowing) { 1030 if (mExitSecureCallback != null) { 1031 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 1032 // we're in the process of handling a request to verify the user 1033 // can get past the keyguard. ignore extraneous requests to disable / reenable 1034 return; 1035 } 1036 1037 // hiding keyguard that is showing, remember to reshow later 1038 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 1039 + "disabling status bar expansion"); 1040 mNeedToReshowWhenReenabled = true; 1041 updateInputRestrictedLocked(); 1042 hideLocked(); 1043 } else if (enabled && mNeedToReshowWhenReenabled) { 1044 // reenabled after previously hidden, reshow 1045 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 1046 + "status bar expansion"); 1047 mNeedToReshowWhenReenabled = false; 1048 updateInputRestrictedLocked(); 1049 1050 if (mExitSecureCallback != null) { 1051 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 1052 try { 1053 mExitSecureCallback.onKeyguardExitResult(false); 1054 } catch (RemoteException e) { 1055 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1056 } 1057 mExitSecureCallback = null; 1058 resetStateLocked(); 1059 } else { 1060 showLocked(null); 1061 1062 // block until we know the keygaurd is done drawing (and post a message 1063 // to unblock us after a timeout so we don't risk blocking too long 1064 // and causing an ANR). 1065 mWaitingUntilKeyguardVisible = true; 1066 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 1067 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 1068 while (mWaitingUntilKeyguardVisible) { 1069 try { 1070 wait(); 1071 } catch (InterruptedException e) { 1072 Thread.currentThread().interrupt(); 1073 } 1074 } 1075 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 1076 } 1077 } 1078 } 1079 } 1080 1081 /** 1082 * @see android.app.KeyguardManager#exitKeyguardSecurely 1083 */ verifyUnlock(IKeyguardExitCallback callback)1084 public void verifyUnlock(IKeyguardExitCallback callback) { 1085 Trace.beginSection("KeyguardViewMediator#verifyUnlock"); 1086 synchronized (this) { 1087 if (DEBUG) Log.d(TAG, "verifyUnlock"); 1088 if (shouldWaitForProvisioning()) { 1089 // don't allow this api when the device isn't provisioned 1090 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 1091 try { 1092 callback.onKeyguardExitResult(false); 1093 } catch (RemoteException e) { 1094 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1095 } 1096 } else if (mExternallyEnabled) { 1097 // this only applies when the user has externally disabled the 1098 // keyguard. this is unexpected and means the user is not 1099 // using the api properly. 1100 Log.w(TAG, "verifyUnlock called when not externally disabled"); 1101 try { 1102 callback.onKeyguardExitResult(false); 1103 } catch (RemoteException e) { 1104 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1105 } 1106 } else if (mExitSecureCallback != null) { 1107 // already in progress with someone else 1108 try { 1109 callback.onKeyguardExitResult(false); 1110 } catch (RemoteException e) { 1111 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1112 } 1113 } else if (!isSecure()) { 1114 1115 // Keyguard is not secure, no need to do anything, and we don't need to reshow 1116 // the Keyguard after the client releases the Keyguard lock. 1117 mExternallyEnabled = true; 1118 mNeedToReshowWhenReenabled = false; 1119 updateInputRestricted(); 1120 try { 1121 callback.onKeyguardExitResult(true); 1122 } catch (RemoteException e) { 1123 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1124 } 1125 } else { 1126 1127 // Since we prevent apps from hiding the Keyguard if we are secure, this should be 1128 // a no-op as well. 1129 try { 1130 callback.onKeyguardExitResult(false); 1131 } catch (RemoteException e) { 1132 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1133 } 1134 } 1135 } 1136 Trace.endSection(); 1137 } 1138 1139 /** 1140 * Is the keyguard currently showing and not being force hidden? 1141 */ isShowingAndNotOccluded()1142 public boolean isShowingAndNotOccluded() { 1143 return mShowing && !mOccluded; 1144 } 1145 1146 /** 1147 * Notify us when the keyguard is occluded by another window 1148 */ setOccluded(boolean isOccluded, boolean animate)1149 public void setOccluded(boolean isOccluded, boolean animate) { 1150 Trace.beginSection("KeyguardViewMediator#setOccluded"); 1151 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 1152 mHandler.removeMessages(SET_OCCLUDED); 1153 Message msg = mHandler.obtainMessage(SET_OCCLUDED, isOccluded ? 1 : 0, animate ? 1 : 0); 1154 mHandler.sendMessage(msg); 1155 Trace.endSection(); 1156 } 1157 1158 /** 1159 * Handles SET_OCCLUDED message sent by setOccluded() 1160 */ handleSetOccluded(boolean isOccluded, boolean animate)1161 private void handleSetOccluded(boolean isOccluded, boolean animate) { 1162 Trace.beginSection("KeyguardViewMediator#handleSetOccluded"); 1163 synchronized (KeyguardViewMediator.this) { 1164 if (mHiding && isOccluded) { 1165 // We're in the process of going away but WindowManager wants to show a 1166 // SHOW_WHEN_LOCKED activity instead. 1167 startKeyguardExitAnimation(0, 0); 1168 } 1169 1170 if (mOccluded != isOccluded) { 1171 mOccluded = isOccluded; 1172 mStatusBarKeyguardViewManager.setOccluded(isOccluded, animate); 1173 updateActivityLockScreenState(); 1174 adjustStatusBarLocked(); 1175 } 1176 } 1177 Trace.endSection(); 1178 } 1179 1180 /** 1181 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 1182 * This must be safe to call from any thread and with any window manager locks held. 1183 */ doKeyguardTimeout(Bundle options)1184 public void doKeyguardTimeout(Bundle options) { 1185 mHandler.removeMessages(KEYGUARD_TIMEOUT); 1186 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 1187 mHandler.sendMessage(msg); 1188 } 1189 1190 /** 1191 * Given the state of the keyguard, is the input restricted? 1192 * Input is restricted when the keyguard is showing, or when the keyguard 1193 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 1194 */ isInputRestricted()1195 public boolean isInputRestricted() { 1196 return mShowing || mNeedToReshowWhenReenabled; 1197 } 1198 updateInputRestricted()1199 private void updateInputRestricted() { 1200 synchronized (this) { 1201 updateInputRestrictedLocked(); 1202 } 1203 } updateInputRestrictedLocked()1204 private void updateInputRestrictedLocked() { 1205 boolean inputRestricted = isInputRestricted(); 1206 if (mInputRestricted != inputRestricted) { 1207 mInputRestricted = inputRestricted; 1208 int size = mKeyguardStateCallbacks.size(); 1209 for (int i = size - 1; i >= 0; i--) { 1210 try { 1211 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 1212 } catch (RemoteException e) { 1213 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 1214 if (e instanceof DeadObjectException) { 1215 mKeyguardStateCallbacks.remove(i); 1216 } 1217 } 1218 } 1219 } 1220 } 1221 1222 /** 1223 * Enable the keyguard if the settings are appropriate. 1224 */ doKeyguardLocked(Bundle options)1225 private void doKeyguardLocked(Bundle options) { 1226 // if another app is disabling us, don't show 1227 if (!mExternallyEnabled) { 1228 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 1229 1230 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 1231 // for an occasional ugly flicker in this situation: 1232 // 1) receive a call with the screen on (no keyguard) or make a call 1233 // 2) screen times out 1234 // 3) user hits key to turn screen back on 1235 // instead, we reenable the keyguard when we know the screen is off and the call 1236 // ends (see the broadcast receiver below) 1237 // TODO: clean this up when we have better support at the window manager level 1238 // for apps that wish to be on top of the keyguard 1239 return; 1240 } 1241 1242 // if the keyguard is already showing, don't bother 1243 if (mStatusBarKeyguardViewManager.isShowing()) { 1244 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 1245 resetStateLocked(); 1246 return; 1247 } 1248 1249 // In split system user mode, we never unlock system user. 1250 if (!mustNotUnlockCurrentUser() 1251 || !mUpdateMonitor.isDeviceProvisioned()) { 1252 1253 // if the setup wizard hasn't run yet, don't show 1254 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 1255 final boolean absent = SubscriptionManager.isValidSubscriptionId( 1256 mUpdateMonitor.getNextSubIdForState(ABSENT)); 1257 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 1258 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 1259 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 1260 || ((absent || disabled) && requireSim); 1261 1262 if (!lockedOrMissing && shouldWaitForProvisioning()) { 1263 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 1264 + " and the sim is not locked or missing"); 1265 return; 1266 } 1267 1268 if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) 1269 && !lockedOrMissing) { 1270 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 1271 return; 1272 } 1273 1274 if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { 1275 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 1276 // Without this, settings is not enabled until the lock screen first appears 1277 setShowingLocked(false); 1278 hideLocked(); 1279 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 1280 return; 1281 } 1282 } 1283 1284 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 1285 showLocked(options); 1286 } 1287 lockProfile(int userId)1288 private void lockProfile(int userId) { 1289 mTrustManager.setDeviceLockedForUser(userId, true); 1290 } 1291 shouldWaitForProvisioning()1292 private boolean shouldWaitForProvisioning() { 1293 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 1294 } 1295 1296 /** 1297 * Dismiss the keyguard through the security layers. 1298 * @param allowWhileOccluded if true, dismiss the keyguard even if it's currently occluded. 1299 */ handleDismiss(boolean allowWhileOccluded)1300 public void handleDismiss(boolean allowWhileOccluded) { 1301 if (mShowing && (allowWhileOccluded || !mOccluded)) { 1302 mStatusBarKeyguardViewManager.dismiss(); 1303 } 1304 } 1305 dismiss(boolean allowWhileOccluded)1306 public void dismiss(boolean allowWhileOccluded) { 1307 mHandler.obtainMessage(DISMISS, allowWhileOccluded ? 1 : 0, 0).sendToTarget(); 1308 } 1309 1310 /** 1311 * Send message to keyguard telling it to reset its state. 1312 * @see #handleReset 1313 */ resetStateLocked()1314 private void resetStateLocked() { 1315 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1316 Message msg = mHandler.obtainMessage(RESET); 1317 mHandler.sendMessage(msg); 1318 } 1319 1320 /** 1321 * Send message to keyguard telling it to verify unlock 1322 * @see #handleVerifyUnlock() 1323 */ verifyUnlockLocked()1324 private void verifyUnlockLocked() { 1325 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1326 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1327 } 1328 notifyStartedGoingToSleep()1329 private void notifyStartedGoingToSleep() { 1330 if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); 1331 mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); 1332 } 1333 notifyFinishedGoingToSleep()1334 private void notifyFinishedGoingToSleep() { 1335 if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); 1336 mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); 1337 } 1338 notifyStartedWakingUp()1339 private void notifyStartedWakingUp() { 1340 if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); 1341 mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); 1342 } 1343 notifyScreenOn(IKeyguardDrawnCallback callback)1344 private void notifyScreenOn(IKeyguardDrawnCallback callback) { 1345 if (DEBUG) Log.d(TAG, "notifyScreenOn"); 1346 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); 1347 mHandler.sendMessage(msg); 1348 } 1349 notifyScreenTurnedOn()1350 private void notifyScreenTurnedOn() { 1351 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); 1352 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); 1353 mHandler.sendMessage(msg); 1354 } 1355 notifyScreenTurnedOff()1356 private void notifyScreenTurnedOff() { 1357 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); 1358 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); 1359 mHandler.sendMessage(msg); 1360 } 1361 1362 /** 1363 * Send message to keyguard telling it to show itself 1364 * @see #handleShow 1365 */ showLocked(Bundle options)1366 private void showLocked(Bundle options) { 1367 Trace.beginSection("KeyguardViewMediator#showLocked aqcuiring mShowKeyguardWakeLock"); 1368 if (DEBUG) Log.d(TAG, "showLocked"); 1369 // ensure we stay awake until we are finished displaying the keyguard 1370 mShowKeyguardWakeLock.acquire(); 1371 Message msg = mHandler.obtainMessage(SHOW, options); 1372 mHandler.sendMessage(msg); 1373 Trace.endSection(); 1374 } 1375 1376 /** 1377 * Send message to keyguard telling it to hide itself 1378 * @see #handleHide() 1379 */ hideLocked()1380 private void hideLocked() { 1381 Trace.beginSection("KeyguardViewMediator#hideLocked"); 1382 if (DEBUG) Log.d(TAG, "hideLocked"); 1383 Message msg = mHandler.obtainMessage(HIDE); 1384 mHandler.sendMessage(msg); 1385 Trace.endSection(); 1386 } 1387 isSecure()1388 public boolean isSecure() { 1389 return mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser()) 1390 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1391 } 1392 1393 /** 1394 * Update the newUserId. Call while holding WindowManagerService lock. 1395 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1396 * 1397 * @param newUserId The id of the incoming user. 1398 */ setCurrentUser(int newUserId)1399 public void setCurrentUser(int newUserId) { 1400 KeyguardUpdateMonitor.setCurrentUser(newUserId); 1401 synchronized (this) { 1402 notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(newUserId)); 1403 } 1404 } 1405 1406 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1407 @Override 1408 public void onReceive(Context context, Intent intent) { 1409 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1410 final int sequence = intent.getIntExtra("seq", 0); 1411 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1412 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1413 synchronized (KeyguardViewMediator.this) { 1414 if (mDelayedShowingSequence == sequence) { 1415 doKeyguardLocked(null); 1416 } 1417 } 1418 } else if (DELAYED_LOCK_PROFILE_ACTION.equals(intent.getAction())) { 1419 final int sequence = intent.getIntExtra("seq", 0); 1420 int userId = intent.getIntExtra(Intent.EXTRA_USER_ID, 0); 1421 if (userId != 0) { 1422 synchronized (KeyguardViewMediator.this) { 1423 if (mDelayedProfileShowingSequence == sequence) { 1424 lockProfile(userId); 1425 } 1426 } 1427 } 1428 } else if (Intent.ACTION_SHUTDOWN.equals(intent.getAction())) { 1429 synchronized (KeyguardViewMediator.this){ 1430 mShuttingDown = true; 1431 } 1432 } 1433 } 1434 }; 1435 keyguardDone(boolean authenticated)1436 public void keyguardDone(boolean authenticated) { 1437 Trace.beginSection("KeyguardViewMediator#keyguardDone"); 1438 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated +")"); 1439 userActivity(); 1440 EventLog.writeEvent(70000, 2); 1441 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0); 1442 mHandler.sendMessage(msg); 1443 Trace.endSection(); 1444 } 1445 1446 /** 1447 * This handler will be associated with the policy thread, which will also 1448 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1449 * this class, can be called by other threads, any action that directly 1450 * interacts with the keyguard ui should be posted to this handler, rather 1451 * than called directly. 1452 */ 1453 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1454 @Override 1455 public void handleMessage(Message msg) { 1456 switch (msg.what) { 1457 case SHOW: 1458 handleShow((Bundle) msg.obj); 1459 break; 1460 case HIDE: 1461 handleHide(); 1462 break; 1463 case RESET: 1464 handleReset(); 1465 break; 1466 case VERIFY_UNLOCK: 1467 Trace.beginSection("KeyguardViewMediator#handleMessage VERIFY_UNLOCK"); 1468 handleVerifyUnlock(); 1469 Trace.endSection(); 1470 break; 1471 case NOTIFY_STARTED_GOING_TO_SLEEP: 1472 handleNotifyStartedGoingToSleep(); 1473 break; 1474 case NOTIFY_FINISHED_GOING_TO_SLEEP: 1475 handleNotifyFinishedGoingToSleep(); 1476 break; 1477 case NOTIFY_SCREEN_TURNING_ON: 1478 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNING_ON"); 1479 handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); 1480 Trace.endSection(); 1481 break; 1482 case NOTIFY_SCREEN_TURNED_ON: 1483 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNED_ON"); 1484 handleNotifyScreenTurnedOn(); 1485 Trace.endSection(); 1486 break; 1487 case NOTIFY_SCREEN_TURNED_OFF: 1488 handleNotifyScreenTurnedOff(); 1489 break; 1490 case NOTIFY_STARTED_WAKING_UP: 1491 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_STARTED_WAKING_UP"); 1492 handleNotifyStartedWakingUp(); 1493 Trace.endSection(); 1494 break; 1495 case KEYGUARD_DONE: 1496 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE"); 1497 handleKeyguardDone(msg.arg1 != 0); 1498 Trace.endSection(); 1499 break; 1500 case KEYGUARD_DONE_DRAWING: 1501 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_DRAWING"); 1502 handleKeyguardDoneDrawing(); 1503 Trace.endSection(); 1504 break; 1505 case SET_OCCLUDED: 1506 Trace.beginSection("KeyguardViewMediator#handleMessage SET_OCCLUDED"); 1507 handleSetOccluded(msg.arg1 != 0, msg.arg2 != 0); 1508 Trace.endSection(); 1509 break; 1510 case KEYGUARD_TIMEOUT: 1511 synchronized (KeyguardViewMediator.this) { 1512 doKeyguardLocked((Bundle) msg.obj); 1513 } 1514 break; 1515 case DISMISS: 1516 handleDismiss(msg.arg1 == 1 ? true : false /* allowWhileOccluded */); 1517 break; 1518 case START_KEYGUARD_EXIT_ANIM: 1519 Trace.beginSection("KeyguardViewMediator#handleMessage START_KEYGUARD_EXIT_ANIM"); 1520 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1521 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1522 FalsingManager.getInstance(mContext).onSucccessfulUnlock(); 1523 Trace.endSection(); 1524 break; 1525 case KEYGUARD_DONE_PENDING_TIMEOUT: 1526 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_PENDING_TIMEOUT"); 1527 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1528 Trace.endSection(); 1529 // Fall through. 1530 case ON_ACTIVITY_DRAWN: 1531 handleOnActivityDrawn(); 1532 break; 1533 } 1534 } 1535 }; 1536 1537 /** 1538 * @see #keyguardDone 1539 * @see #KEYGUARD_DONE 1540 */ handleKeyguardDone(boolean authenticated)1541 private void handleKeyguardDone(boolean authenticated) { 1542 Trace.beginSection("KeyguardViewMediator#handleKeyguardDone"); 1543 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 1544 if (mLockPatternUtils.isSecure(currentUser)) { 1545 mLockPatternUtils.getDevicePolicyManager().reportKeyguardDismissed(currentUser); 1546 } 1547 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1548 synchronized (this) { 1549 resetKeyguardDonePendingLocked(); 1550 } 1551 1552 if (authenticated) { 1553 mUpdateMonitor.clearFailedUnlockAttempts(); 1554 } 1555 mUpdateMonitor.clearFingerprintRecognized(); 1556 1557 if (mGoingToSleep) { 1558 Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); 1559 return; 1560 } 1561 if (mExitSecureCallback != null) { 1562 try { 1563 mExitSecureCallback.onKeyguardExitResult(authenticated); 1564 } catch (RemoteException e) { 1565 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1566 } 1567 1568 mExitSecureCallback = null; 1569 1570 if (authenticated) { 1571 // after succesfully exiting securely, no need to reshow 1572 // the keyguard when they've released the lock 1573 mExternallyEnabled = true; 1574 mNeedToReshowWhenReenabled = false; 1575 updateInputRestricted(); 1576 } 1577 } 1578 1579 handleHide(); 1580 Trace.endSection(); 1581 } 1582 sendUserPresentBroadcast()1583 private void sendUserPresentBroadcast() { 1584 synchronized (this) { 1585 if (mBootCompleted) { 1586 int currentUserId = KeyguardUpdateMonitor.getCurrentUser(); 1587 final UserHandle currentUser = new UserHandle(currentUserId); 1588 final UserManager um = (UserManager) mContext.getSystemService( 1589 Context.USER_SERVICE); 1590 for (int profileId : um.getProfileIdsWithDisabled(currentUser.getIdentifier())) { 1591 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, UserHandle.of(profileId)); 1592 } 1593 getLockPatternUtils().userPresent(currentUserId); 1594 } else { 1595 mBootSendUserPresent = true; 1596 } 1597 } 1598 } 1599 1600 /** 1601 * @see #keyguardDone 1602 * @see #KEYGUARD_DONE_DRAWING 1603 */ handleKeyguardDoneDrawing()1604 private void handleKeyguardDoneDrawing() { 1605 Trace.beginSection("KeyguardViewMediator#handleKeyguardDoneDrawing"); 1606 synchronized(this) { 1607 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1608 if (mWaitingUntilKeyguardVisible) { 1609 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1610 mWaitingUntilKeyguardVisible = false; 1611 notifyAll(); 1612 1613 // there will usually be two of these sent, one as a timeout, and one 1614 // as a result of the callback, so remove any remaining messages from 1615 // the queue 1616 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1617 } 1618 } 1619 Trace.endSection(); 1620 } 1621 playSounds(boolean locked)1622 private void playSounds(boolean locked) { 1623 playSound(locked ? mLockSoundId : mUnlockSoundId); 1624 } 1625 playSound(int soundId)1626 private void playSound(int soundId) { 1627 if (soundId == 0) return; 1628 final ContentResolver cr = mContext.getContentResolver(); 1629 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1630 1631 mLockSounds.stop(mLockSoundStreamId); 1632 // Init mAudioManager 1633 if (mAudioManager == null) { 1634 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1635 if (mAudioManager == null) return; 1636 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1637 } 1638 // If the stream is muted, don't play the sound 1639 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1640 1641 mLockSoundStreamId = mLockSounds.play(soundId, 1642 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1643 } 1644 } 1645 playTrustedSound()1646 private void playTrustedSound() { 1647 playSound(mTrustedSoundId); 1648 } 1649 updateActivityLockScreenState()1650 private void updateActivityLockScreenState() { 1651 Trace.beginSection("KeyguardViewMediator#updateActivityLockScreenState"); 1652 try { 1653 ActivityManagerNative.getDefault().setLockScreenShown(mShowing, mOccluded); 1654 } catch (RemoteException e) { 1655 } 1656 Trace.endSection(); 1657 } 1658 1659 /** 1660 * Handle message sent by {@link #showLocked}. 1661 * @see #SHOW 1662 */ handleShow(Bundle options)1663 private void handleShow(Bundle options) { 1664 Trace.beginSection("KeyguardViewMediator#handleShow"); 1665 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 1666 if (mLockPatternUtils.isSecure(currentUser)) { 1667 mLockPatternUtils.getDevicePolicyManager().reportKeyguardSecured(currentUser); 1668 } 1669 synchronized (KeyguardViewMediator.this) { 1670 if (!mSystemReady) { 1671 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1672 return; 1673 } else { 1674 if (DEBUG) Log.d(TAG, "handleShow"); 1675 } 1676 1677 setShowingLocked(true); 1678 mStatusBarKeyguardViewManager.show(options); 1679 mHiding = false; 1680 mWakeAndUnlocking = false; 1681 resetKeyguardDonePendingLocked(); 1682 mHideAnimationRun = false; 1683 updateActivityLockScreenState(); 1684 adjustStatusBarLocked(); 1685 userActivity(); 1686 1687 mShowKeyguardWakeLock.release(); 1688 } 1689 mKeyguardDisplayManager.show(); 1690 Trace.endSection(); 1691 } 1692 1693 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1694 @Override 1695 public void run() { 1696 Trace.beginSection("KeyguardViewMediator.mKeyGuardGoingAwayRunnable"); 1697 if (DEBUG) Log.d(TAG, "keyguardGoingAway"); 1698 try { 1699 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1700 1701 int flags = 0; 1702 if (mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() 1703 || mWakeAndUnlocking) { 1704 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS; 1705 } 1706 if (mStatusBarKeyguardViewManager.isGoingToNotificationShade()) { 1707 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_TO_SHADE; 1708 } 1709 if (mStatusBarKeyguardViewManager.isUnlockWithWallpaper()) { 1710 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_WITH_WALLPAPER; 1711 } 1712 1713 // Don't actually hide the Keyguard at the moment, wait for window 1714 // manager until it tells us it's safe to do so with 1715 // startKeyguardExitAnimation. 1716 ActivityManagerNative.getDefault().keyguardGoingAway(flags); 1717 } catch (RemoteException e) { 1718 Log.e(TAG, "Error while calling WindowManager", e); 1719 } 1720 Trace.endSection(); 1721 } 1722 }; 1723 1724 /** 1725 * Handle message sent by {@link #hideLocked()} 1726 * @see #HIDE 1727 */ handleHide()1728 private void handleHide() { 1729 Trace.beginSection("KeyguardViewMediator#handleHide"); 1730 synchronized (KeyguardViewMediator.this) { 1731 if (DEBUG) Log.d(TAG, "handleHide"); 1732 1733 if (mustNotUnlockCurrentUser()) { 1734 // In split system user mode, we never unlock system user. The end user has to 1735 // switch to another user. 1736 // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up 1737 // still completes and makes the screen blank. 1738 if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); 1739 return; 1740 } 1741 mHiding = true; 1742 if (mShowing && !mOccluded) { 1743 if (!mHideAnimationRun) { 1744 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1745 } else { 1746 mKeyguardGoingAwayRunnable.run(); 1747 } 1748 } else { 1749 1750 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1751 // manager won't start the exit animation. 1752 handleStartKeyguardExitAnimation( 1753 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1754 mHideAnimation.getDuration()); 1755 } 1756 } 1757 Trace.endSection(); 1758 } 1759 handleOnActivityDrawn()1760 private void handleOnActivityDrawn() { 1761 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1762 if (mKeyguardDonePending) { 1763 mStatusBarKeyguardViewManager.onActivityDrawn(); 1764 } 1765 } 1766 handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration)1767 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1768 Trace.beginSection("KeyguardViewMediator#handleStartKeyguardExitAnimation"); 1769 if (DEBUG) Log.d(TAG, "handleStartKeyguardExitAnimation startTime=" + startTime 1770 + " fadeoutDuration=" + fadeoutDuration); 1771 synchronized (KeyguardViewMediator.this) { 1772 1773 if (!mHiding) { 1774 return; 1775 } 1776 mHiding = false; 1777 1778 if (mWakeAndUnlocking && mDrawnCallback != null) { 1779 1780 // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report 1781 // the next draw from here so we don't have to wait for window manager to signal 1782 // this to our ViewRootImpl. 1783 mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); 1784 notifyDrawn(mDrawnCallback); 1785 mDrawnCallback = null; 1786 } 1787 1788 // only play "unlock" noises if not on a call (since the incall UI 1789 // disables the keyguard) 1790 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1791 playSounds(false); 1792 } 1793 1794 mWakeAndUnlocking = false; 1795 setShowingLocked(false); 1796 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1797 resetKeyguardDonePendingLocked(); 1798 mHideAnimationRun = false; 1799 updateActivityLockScreenState(); 1800 adjustStatusBarLocked(); 1801 sendUserPresentBroadcast(); 1802 } 1803 Trace.endSection(); 1804 } 1805 adjustStatusBarLocked()1806 private void adjustStatusBarLocked() { 1807 if (mStatusBarManager == null) { 1808 mStatusBarManager = (StatusBarManager) 1809 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1810 } 1811 if (mStatusBarManager == null) { 1812 Log.w(TAG, "Could not get status bar manager"); 1813 } else { 1814 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1815 // windows that appear on top, ever 1816 int flags = StatusBarManager.DISABLE_NONE; 1817 if (mShowing) { 1818 // Permanently disable components not available when keyguard is enabled 1819 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1820 // done in KeyguardHostView. 1821 flags |= StatusBarManager.DISABLE_RECENT; 1822 flags |= StatusBarManager.DISABLE_SEARCH; 1823 } 1824 if (isShowingAndNotOccluded()) { 1825 flags |= StatusBarManager.DISABLE_HOME; 1826 } 1827 1828 if (DEBUG) { 1829 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1830 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1831 } 1832 1833 if (!(mContext instanceof Activity)) { 1834 mStatusBarManager.disable(flags); 1835 } 1836 } 1837 } 1838 1839 /** 1840 * Handle message sent by {@link #resetStateLocked} 1841 * @see #RESET 1842 */ handleReset()1843 private void handleReset() { 1844 synchronized (KeyguardViewMediator.this) { 1845 if (DEBUG) Log.d(TAG, "handleReset"); 1846 mStatusBarKeyguardViewManager.reset(); 1847 } 1848 } 1849 1850 /** 1851 * Handle message sent by {@link #verifyUnlock} 1852 * @see #VERIFY_UNLOCK 1853 */ handleVerifyUnlock()1854 private void handleVerifyUnlock() { 1855 Trace.beginSection("KeyguardViewMediator#handleVerifyUnlock"); 1856 synchronized (KeyguardViewMediator.this) { 1857 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1858 setShowingLocked(true); 1859 mStatusBarKeyguardViewManager.verifyUnlock(); 1860 updateActivityLockScreenState(); 1861 } 1862 Trace.endSection(); 1863 } 1864 handleNotifyStartedGoingToSleep()1865 private void handleNotifyStartedGoingToSleep() { 1866 synchronized (KeyguardViewMediator.this) { 1867 if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); 1868 mStatusBarKeyguardViewManager.onStartedGoingToSleep(); 1869 } 1870 } 1871 1872 /** 1873 * Handle message sent by {@link #notifyFinishedGoingToSleep()} 1874 * @see #NOTIFY_FINISHED_GOING_TO_SLEEP 1875 */ handleNotifyFinishedGoingToSleep()1876 private void handleNotifyFinishedGoingToSleep() { 1877 synchronized (KeyguardViewMediator.this) { 1878 if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); 1879 mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); 1880 } 1881 } 1882 handleNotifyStartedWakingUp()1883 private void handleNotifyStartedWakingUp() { 1884 Trace.beginSection("KeyguardViewMediator#handleMotifyStartedWakingUp"); 1885 synchronized (KeyguardViewMediator.this) { 1886 if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); 1887 mStatusBarKeyguardViewManager.onStartedWakingUp(); 1888 } 1889 Trace.endSection(); 1890 } 1891 handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback)1892 private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { 1893 Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurningOn"); 1894 synchronized (KeyguardViewMediator.this) { 1895 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); 1896 mStatusBarKeyguardViewManager.onScreenTurningOn(); 1897 if (callback != null) { 1898 if (mWakeAndUnlocking) { 1899 mDrawnCallback = callback; 1900 } else { 1901 notifyDrawn(callback); 1902 } 1903 } 1904 } 1905 Trace.endSection(); 1906 } 1907 handleNotifyScreenTurnedOn()1908 private void handleNotifyScreenTurnedOn() { 1909 Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurnedOn"); 1910 synchronized (this) { 1911 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); 1912 mStatusBarKeyguardViewManager.onScreenTurnedOn(); 1913 } 1914 Trace.endSection(); 1915 } 1916 handleNotifyScreenTurnedOff()1917 private void handleNotifyScreenTurnedOff() { 1918 synchronized (this) { 1919 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); 1920 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1921 mDrawnCallback = null; 1922 mWakeAndUnlocking = false; 1923 } 1924 } 1925 notifyDrawn(final IKeyguardDrawnCallback callback)1926 private void notifyDrawn(final IKeyguardDrawnCallback callback) { 1927 Trace.beginSection("KeyguardViewMediator#notifyDrawn"); 1928 try { 1929 callback.onDrawn(); 1930 } catch (RemoteException e) { 1931 Slog.w(TAG, "Exception calling onDrawn():", e); 1932 } 1933 Trace.endSection(); 1934 } 1935 resetKeyguardDonePendingLocked()1936 private void resetKeyguardDonePendingLocked() { 1937 mKeyguardDonePending = false; 1938 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1939 } 1940 1941 @Override onBootCompleted()1942 public void onBootCompleted() { 1943 mUpdateMonitor.dispatchBootCompleted(); 1944 synchronized (this) { 1945 mBootCompleted = true; 1946 if (mBootSendUserPresent) { 1947 sendUserPresentBroadcast(); 1948 } 1949 } 1950 } 1951 onWakeAndUnlocking()1952 public void onWakeAndUnlocking() { 1953 Trace.beginSection("KeyguardViewMediator#onWakeAndUnlocking"); 1954 mWakeAndUnlocking = true; 1955 keyguardDone(true /* authenticated */); 1956 Trace.endSection(); 1957 } 1958 registerStatusBar(PhoneStatusBar phoneStatusBar, ViewGroup container, StatusBarWindowManager statusBarWindowManager, ScrimController scrimController, FingerprintUnlockController fingerprintUnlockController)1959 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1960 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1961 ScrimController scrimController, 1962 FingerprintUnlockController fingerprintUnlockController) { 1963 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1964 statusBarWindowManager, scrimController, fingerprintUnlockController); 1965 return mStatusBarKeyguardViewManager; 1966 } 1967 startKeyguardExitAnimation(long startTime, long fadeoutDuration)1968 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1969 Trace.beginSection("KeyguardViewMediator#startKeyguardExitAnimation"); 1970 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1971 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1972 mHandler.sendMessage(msg); 1973 Trace.endSection(); 1974 } 1975 onActivityDrawn()1976 public void onActivityDrawn() { 1977 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1978 } 1979 getViewMediatorCallback()1980 public ViewMediatorCallback getViewMediatorCallback() { 1981 return mViewMediatorCallback; 1982 } 1983 getLockPatternUtils()1984 public LockPatternUtils getLockPatternUtils() { 1985 return mLockPatternUtils; 1986 } 1987 1988 @Override dump(FileDescriptor fd, PrintWriter pw, String[] args)1989 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1990 pw.print(" mSystemReady: "); pw.println(mSystemReady); 1991 pw.print(" mBootCompleted: "); pw.println(mBootCompleted); 1992 pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); 1993 pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); 1994 pw.print(" mShuttingDown: "); pw.println(mShuttingDown); 1995 pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); 1996 pw.print(" mShowing: "); pw.println(mShowing); 1997 pw.print(" mInputRestricted: "); pw.println(mInputRestricted); 1998 pw.print(" mOccluded: "); pw.println(mOccluded); 1999 pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); 2000 pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); 2001 pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); 2002 pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); 2003 pw.print(" mHiding: "); pw.println(mHiding); 2004 pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); 2005 pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); 2006 pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); 2007 pw.print(" mPendingReset: "); pw.println(mPendingReset); 2008 pw.print(" mPendingLock: "); pw.println(mPendingLock); 2009 pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); 2010 pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); 2011 } 2012 2013 private static class StartKeyguardExitAnimParams { 2014 2015 long startTime; 2016 long fadeoutDuration; 2017 StartKeyguardExitAnimParams(long startTime, long fadeoutDuration)2018 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 2019 this.startTime = startTime; 2020 this.fadeoutDuration = fadeoutDuration; 2021 } 2022 } 2023 setShowingLocked(boolean showing)2024 private void setShowingLocked(boolean showing) { 2025 if (showing != mShowing) { 2026 mShowing = showing; 2027 int size = mKeyguardStateCallbacks.size(); 2028 for (int i = size - 1; i >= 0; i--) { 2029 try { 2030 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 2031 } catch (RemoteException e) { 2032 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 2033 if (e instanceof DeadObjectException) { 2034 mKeyguardStateCallbacks.remove(i); 2035 } 2036 } 2037 } 2038 updateInputRestrictedLocked(); 2039 mTrustManager.reportKeyguardShowingChanged(); 2040 } 2041 } 2042 notifyTrustedChangedLocked(boolean trusted)2043 private void notifyTrustedChangedLocked(boolean trusted) { 2044 int size = mKeyguardStateCallbacks.size(); 2045 for (int i = size - 1; i >= 0; i--) { 2046 try { 2047 mKeyguardStateCallbacks.get(i).onTrustedChanged(trusted); 2048 } catch (RemoteException e) { 2049 Slog.w(TAG, "Failed to call notifyTrustedChangedLocked", e); 2050 if (e instanceof DeadObjectException) { 2051 mKeyguardStateCallbacks.remove(i); 2052 } 2053 } 2054 } 2055 } 2056 notifyHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper)2057 private void notifyHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { 2058 int size = mKeyguardStateCallbacks.size(); 2059 for (int i = size - 1; i >= 0; i--) { 2060 try { 2061 mKeyguardStateCallbacks.get(i).onHasLockscreenWallpaperChanged( 2062 hasLockscreenWallpaper); 2063 } catch (RemoteException e) { 2064 Slog.w(TAG, "Failed to call onHasLockscreenWallpaperChanged", e); 2065 if (e instanceof DeadObjectException) { 2066 mKeyguardStateCallbacks.remove(i); 2067 } 2068 } 2069 } 2070 } 2071 addStateMonitorCallback(IKeyguardStateCallback callback)2072 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 2073 synchronized (this) { 2074 mKeyguardStateCallbacks.add(callback); 2075 try { 2076 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 2077 callback.onShowingStateChanged(mShowing); 2078 callback.onInputRestrictedStateChanged(mInputRestricted); 2079 callback.onTrustedChanged(mUpdateMonitor.getUserHasTrust( 2080 KeyguardUpdateMonitor.getCurrentUser())); 2081 callback.onHasLockscreenWallpaperChanged(mUpdateMonitor.hasLockscreenWallpaper()); 2082 } catch (RemoteException e) { 2083 Slog.w(TAG, "Failed to call to IKeyguardStateCallback", e); 2084 } 2085 } 2086 } 2087 } 2088