KeyguardViewMediator.java revision dc589ac82b5fe2063f4cfd94c8ae26d43d5420a0
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 static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 20import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_USER_REQUEST; 21import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 22import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_LOCKOUT; 23 24import android.app.Activity; 25import android.app.ActivityManager; 26import android.app.AlarmManager; 27import android.app.PendingIntent; 28import android.app.SearchManager; 29import android.app.StatusBarManager; 30import android.app.trust.TrustManager; 31import android.content.BroadcastReceiver; 32import android.content.ContentResolver; 33import android.content.Context; 34import android.content.Intent; 35import android.content.IntentFilter; 36import android.content.pm.UserInfo; 37import android.media.AudioManager; 38import android.media.SoundPool; 39import android.os.Bundle; 40import android.os.DeadObjectException; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.PowerManager; 45import android.os.RemoteException; 46import android.os.SystemClock; 47import android.os.SystemProperties; 48import android.os.Trace; 49import android.os.UserHandle; 50import android.os.UserManager; 51import android.os.storage.StorageManager; 52import android.provider.Settings; 53import android.telephony.SubscriptionManager; 54import android.telephony.TelephonyManager; 55import android.util.EventLog; 56import android.util.Log; 57import android.util.Slog; 58import android.view.IWindowManager; 59import android.view.ViewGroup; 60import android.view.WindowManagerGlobal; 61import android.view.WindowManagerPolicy; 62import android.view.animation.Animation; 63import android.view.animation.AnimationUtils; 64 65import com.android.internal.policy.IKeyguardDrawnCallback; 66import com.android.internal.policy.IKeyguardExitCallback; 67import com.android.internal.policy.IKeyguardStateCallback; 68import com.android.internal.telephony.IccCardConstants; 69import com.android.internal.widget.LockPatternUtils; 70import com.android.keyguard.KeyguardConstants; 71import com.android.keyguard.KeyguardDisplayManager; 72import com.android.keyguard.KeyguardSecurityView; 73import com.android.keyguard.KeyguardUpdateMonitor; 74import com.android.keyguard.KeyguardUpdateMonitorCallback; 75import com.android.keyguard.LatencyTracker; 76import com.android.keyguard.ViewMediatorCallback; 77import com.android.systemui.SystemUI; 78import com.android.systemui.SystemUIFactory; 79import com.android.systemui.classifier.FalsingManager; 80import com.android.systemui.statusbar.phone.FingerprintUnlockController; 81import com.android.systemui.statusbar.phone.PhoneStatusBar; 82import com.android.systemui.statusbar.phone.ScrimController; 83import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 84import com.android.systemui.statusbar.phone.StatusBarWindowManager; 85 86import java.io.FileDescriptor; 87import java.io.PrintWriter; 88import java.util.ArrayList; 89 90/** 91 * Mediates requests related to the keyguard. This includes queries about the 92 * state of the keyguard, power management events that effect whether the keyguard 93 * should be shown or reset, callbacks to the phone window manager to notify 94 * it of when the keyguard is showing, and events from the keyguard view itself 95 * stating that the keyguard was succesfully unlocked. 96 * 97 * Note that the keyguard view is shown when the screen is off (as appropriate) 98 * so that once the screen comes on, it will be ready immediately. 99 * 100 * Example queries about the keyguard: 101 * - is {movement, key} one that should wake the keygaurd? 102 * - is the keyguard showing? 103 * - are input events restricted due to the state of the keyguard? 104 * 105 * Callbacks to the phone window manager: 106 * - the keyguard is showing 107 * 108 * Example external events that translate to keyguard view changes: 109 * - screen turned off -> reset the keyguard, and show it so it will be ready 110 * next time the screen turns on 111 * - keyboard is slid open -> if the keyguard is not secure, hide it 112 * 113 * Events from the keyguard view: 114 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 115 * restrict input events. 116 * 117 * Note: in addition to normal power managment events that effect the state of 118 * whether the keyguard should be showing, external apps and services may request 119 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 120 * false, this will override all other conditions for turning on the keyguard. 121 * 122 * Threading and synchronization: 123 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 124 * and runs on its thread. The keyguard UI is created from that thread in the 125 * constructor of this class. The apis may be called from other threads, including the 126 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 127 * Therefore, methods on this class are synchronized, and any action that is pointed 128 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 129 * thread of the keyguard. 130 */ 131public class KeyguardViewMediator extends SystemUI { 132 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 133 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 134 135 private static final boolean DEBUG = KeyguardConstants.DEBUG; 136 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 137 138 private final static String TAG = "KeyguardViewMediator"; 139 140 private static final String DELAYED_KEYGUARD_ACTION = 141 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 142 private static final String DELAYED_LOCK_PROFILE_ACTION = 143 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_LOCK"; 144 145 // used for handler messages 146 private static final int SHOW = 1; 147 private static final int HIDE = 2; 148 private static final int RESET = 3; 149 private static final int VERIFY_UNLOCK = 4; 150 private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 5; 151 private static final int NOTIFY_SCREEN_TURNING_ON = 6; 152 private static final int KEYGUARD_DONE = 7; 153 private static final int KEYGUARD_DONE_DRAWING = 8; 154 private static final int SET_OCCLUDED = 9; 155 private static final int KEYGUARD_TIMEOUT = 10; 156 private static final int DISMISS = 11; 157 private static final int START_KEYGUARD_EXIT_ANIM = 12; 158 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 13; 159 private static final int NOTIFY_STARTED_WAKING_UP = 14; 160 private static final int NOTIFY_SCREEN_TURNED_ON = 15; 161 private static final int NOTIFY_SCREEN_TURNED_OFF = 16; 162 private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 17; 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 * Boolean option for doKeyguardLocked/doKeyguardTimeout which, when set to true, forces the 185 * keyguard to show even if it is disabled for the current user. 186 */ 187 public static final String OPTION_FORCE_SHOW = "force_show"; 188 189 /** The stream type that the lock sounds are tied to. */ 190 private int mUiSoundsStreamType; 191 192 private AlarmManager mAlarmManager; 193 private AudioManager mAudioManager; 194 private StatusBarManager mStatusBarManager; 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 /** TrustManager for letting it know when we change visibility */ 204 private TrustManager mTrustManager; 205 206 /** 207 * Used to keep the device awake while to ensure the keyguard finishes opening before 208 * we sleep. 209 */ 210 private PowerManager.WakeLock mShowKeyguardWakeLock; 211 212 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 213 214 // these are protected by synchronized (this) 215 216 /** 217 * External apps (like the phone app) can tell us to disable the keygaurd. 218 */ 219 private boolean mExternallyEnabled = true; 220 221 /** 222 * Remember if an external call to {@link #setKeyguardEnabled} with value 223 * false caused us to hide the keyguard, so that we need to reshow it once 224 * the keygaurd is reenabled with another call with value true. 225 */ 226 private boolean mNeedToReshowWhenReenabled = false; 227 228 // cached value of whether we are showing (need to know this to quickly 229 // answer whether the input should be restricted) 230 private boolean mShowing; 231 232 /** Cached value of #isInputRestricted */ 233 private boolean mInputRestricted; 234 235 // true if the keyguard is hidden by another window 236 private boolean mOccluded = false; 237 238 /** 239 * Helps remember whether the screen has turned on since the last time 240 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 241 */ 242 private int mDelayedShowingSequence; 243 244 /** 245 * Simiar to {@link #mDelayedProfileShowingSequence}, but it is for profile case. 246 */ 247 private int mDelayedProfileShowingSequence; 248 249 /** 250 * If the user has disabled the keyguard, then requests to exit, this is 251 * how we'll ultimately let them know whether it was successful. We use this 252 * var being non-null as an indicator that there is an in progress request. 253 */ 254 private IKeyguardExitCallback mExitSecureCallback; 255 256 // the properties of the keyguard 257 258 private KeyguardUpdateMonitor mUpdateMonitor; 259 260 private boolean mDeviceInteractive; 261 private boolean mGoingToSleep; 262 263 // last known state of the cellular connection 264 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 265 266 /** 267 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 268 * called. 269 * */ 270 private boolean mHiding; 271 272 /** 273 * we send this intent when the keyguard is dismissed. 274 */ 275 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 276 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 277 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 278 279 /** 280 * {@link #setKeyguardEnabled} waits on this condition when it reenables 281 * the keyguard. 282 */ 283 private boolean mWaitingUntilKeyguardVisible = false; 284 private LockPatternUtils mLockPatternUtils; 285 private boolean mKeyguardDonePending = false; 286 private boolean mHideAnimationRun = false; 287 private boolean mHideAnimationRunning = false; 288 289 private SoundPool mLockSounds; 290 private int mLockSoundId; 291 private int mUnlockSoundId; 292 private int mTrustedSoundId; 293 private int mLockSoundStreamId; 294 295 /** 296 * The animation used for hiding keyguard. This is used to fetch the animation timings if 297 * WindowManager is not providing us with them. 298 */ 299 private Animation mHideAnimation; 300 301 /** 302 * The volume applied to the lock/unlock sounds. 303 */ 304 private float mLockSoundVolume; 305 306 /** 307 * For managing external displays 308 */ 309 private KeyguardDisplayManager mKeyguardDisplayManager; 310 311 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 312 313 /** 314 * When starting going to sleep, we figured out that we need to reset Keyguard state and this 315 * should be committed when finished going to sleep. 316 */ 317 private boolean mPendingReset; 318 319 /** 320 * When starting going to sleep, we figured out that we need to lock Keyguard and this should be 321 * committed when finished going to sleep. 322 */ 323 private boolean mPendingLock; 324 325 private boolean mLockLater; 326 327 private boolean mWakeAndUnlocking; 328 private IKeyguardDrawnCallback mDrawnCallback; 329 330 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 331 332 @Override 333 public void onUserSwitching(int userId) { 334 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 335 // We need to force a reset of the views, since lockNow (called by 336 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 337 synchronized (KeyguardViewMediator.this) { 338 resetKeyguardDonePendingLocked(); 339 resetStateLocked(); 340 adjustStatusBarLocked(); 341 } 342 } 343 344 @Override 345 public void onUserSwitchComplete(int userId) { 346 if (userId != UserHandle.USER_SYSTEM) { 347 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 348 if (info != null && (info.isGuest() || info.isDemo())) { 349 // If we just switched to a guest, try to dismiss keyguard. 350 dismiss(false /* allowWhileOccluded */); 351 } 352 } 353 } 354 355 @Override 356 public void onUserInfoChanged(int userId) { 357 } 358 359 @Override 360 public void onPhoneStateChanged(int phoneState) { 361 synchronized (KeyguardViewMediator.this) { 362 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 363 && !mDeviceInteractive // screen off 364 && mExternallyEnabled) { // not disabled by any app 365 366 // note: this is a way to gracefully reenable the keyguard when the call 367 // ends and the screen is off without always reenabling the keyguard 368 // each time the screen turns off while in call (and having an occasional ugly 369 // flicker while turning back on the screen and disabling the keyguard again). 370 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 371 + "keyguard is showing"); 372 doKeyguardLocked(null); 373 } 374 } 375 } 376 377 @Override 378 public void onClockVisibilityChanged() { 379 adjustStatusBarLocked(); 380 } 381 382 @Override 383 public void onDeviceProvisioned() { 384 sendUserPresentBroadcast(); 385 synchronized (KeyguardViewMediator.this) { 386 // If system user is provisioned, we might want to lock now to avoid showing launcher 387 if (mustNotUnlockCurrentUser()) { 388 doKeyguardLocked(null); 389 } 390 } 391 } 392 393 @Override 394 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 395 396 if (DEBUG_SIM_STATES) { 397 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 398 + ",state=" + simState + ")"); 399 } 400 401 int size = mKeyguardStateCallbacks.size(); 402 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 403 for (int i = size - 1; i >= 0; i--) { 404 try { 405 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 406 } catch (RemoteException e) { 407 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 408 if (e instanceof DeadObjectException) { 409 mKeyguardStateCallbacks.remove(i); 410 } 411 } 412 } 413 414 switch (simState) { 415 case NOT_READY: 416 case ABSENT: 417 // only force lock screen in case of missing sim if user hasn't 418 // gone through setup wizard 419 synchronized (this) { 420 if (shouldWaitForProvisioning()) { 421 if (!mShowing) { 422 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 423 + " we need to show the keyguard since the " 424 + "device isn't provisioned yet."); 425 doKeyguardLocked(null); 426 } else { 427 resetStateLocked(); 428 } 429 } 430 } 431 break; 432 case PIN_REQUIRED: 433 case PUK_REQUIRED: 434 synchronized (this) { 435 if (!mShowing) { 436 if (DEBUG_SIM_STATES) Log.d(TAG, 437 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 438 + "showing; need to show keyguard so user can enter sim pin"); 439 doKeyguardLocked(null); 440 } else { 441 resetStateLocked(); 442 } 443 } 444 break; 445 case PERM_DISABLED: 446 synchronized (this) { 447 if (!mShowing) { 448 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 449 + "keygaurd isn't showing."); 450 doKeyguardLocked(null); 451 } else { 452 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 453 + "show permanently disabled message in lockscreen."); 454 resetStateLocked(); 455 } 456 } 457 break; 458 case READY: 459 synchronized (this) { 460 if (mShowing) { 461 resetStateLocked(); 462 } 463 } 464 break; 465 default: 466 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 467 break; 468 } 469 } 470 471 @Override 472 public void onFingerprintAuthFailed() { 473 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 474 if (mLockPatternUtils.isSecure(currentUser)) { 475 mLockPatternUtils.getDevicePolicyManager().reportFailedFingerprintAttempt( 476 currentUser); 477 } 478 } 479 480 @Override 481 public void onFingerprintAuthenticated(int userId) { 482 if (mLockPatternUtils.isSecure(userId)) { 483 mLockPatternUtils.getDevicePolicyManager().reportSuccessfulFingerprintAttempt( 484 userId); 485 } 486 } 487 488 @Override 489 public void onTrustChanged(int userId) { 490 if (userId == KeyguardUpdateMonitor.getCurrentUser()) { 491 synchronized (KeyguardViewMediator.this) { 492 notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(userId)); 493 } 494 } 495 } 496 497 @Override 498 public void onHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { 499 synchronized (KeyguardViewMediator.this) { 500 notifyHasLockscreenWallpaperChanged(hasLockscreenWallpaper); 501 } 502 } 503 }; 504 505 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 506 507 @Override 508 public void userActivity() { 509 KeyguardViewMediator.this.userActivity(); 510 } 511 512 @Override 513 public void keyguardDone(boolean strongAuth, int targetUserId) { 514 if (targetUserId != ActivityManager.getCurrentUser()) { 515 return; 516 } 517 518 tryKeyguardDone(true); 519 if (strongAuth) { 520 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 521 } 522 } 523 524 @Override 525 public void keyguardDoneDrawing() { 526 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDoneDrawing"); 527 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 528 Trace.endSection(); 529 } 530 531 @Override 532 public void setNeedsInput(boolean needsInput) { 533 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 534 } 535 536 @Override 537 public void keyguardDonePending(boolean strongAuth, int targetUserId) { 538 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardDonePending"); 539 if (targetUserId != ActivityManager.getCurrentUser()) { 540 Trace.endSection(); 541 return; 542 } 543 544 mKeyguardDonePending = true; 545 mHideAnimationRun = true; 546 mHideAnimationRunning = true; 547 mStatusBarKeyguardViewManager.startPreHideAnimation(mHideAnimationFinishedRunnable); 548 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 549 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 550 if (strongAuth) { 551 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 552 } 553 Trace.endSection(); 554 } 555 556 @Override 557 public void keyguardGone() { 558 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#keyguardGone"); 559 mKeyguardDisplayManager.hide(); 560 Trace.endSection(); 561 } 562 563 @Override 564 public void readyForKeyguardDone() { 565 Trace.beginSection("KeyguardViewMediator.mViewMediatorCallback#readyForKeyguardDone"); 566 if (mKeyguardDonePending) { 567 mKeyguardDonePending = false; 568 569 // Somebody has called keyguardDonePending before, which means that we are 570 // authenticated 571 tryKeyguardDone(true); 572 } 573 Trace.endSection(); 574 } 575 576 @Override 577 public void resetKeyguard() { 578 resetStateLocked(); 579 } 580 581 @Override 582 public void playTrustedSound() { 583 KeyguardViewMediator.this.playTrustedSound(); 584 } 585 586 @Override 587 public boolean isScreenOn() { 588 return mDeviceInteractive; 589 } 590 591 @Override 592 public int getBouncerPromptReason() { 593 int currentUser = ActivityManager.getCurrentUser(); 594 boolean trust = mTrustManager.isTrustUsuallyManaged(currentUser); 595 boolean fingerprint = mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser); 596 boolean any = trust || fingerprint; 597 KeyguardUpdateMonitor.StrongAuthTracker strongAuthTracker = 598 mUpdateMonitor.getStrongAuthTracker(); 599 int strongAuth = strongAuthTracker.getStrongAuthForUser(currentUser); 600 601 if (any && !strongAuthTracker.hasUserAuthenticatedSinceBoot()) { 602 return KeyguardSecurityView.PROMPT_REASON_RESTART; 603 } else if (fingerprint && mUpdateMonitor.hasFingerprintUnlockTimedOut(currentUser)) { 604 return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; 605 } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW) != 0) { 606 return KeyguardSecurityView.PROMPT_REASON_DEVICE_ADMIN; 607 } else if (trust && (strongAuth & SOME_AUTH_REQUIRED_AFTER_USER_REQUEST) != 0) { 608 return KeyguardSecurityView.PROMPT_REASON_USER_REQUEST; 609 } else if (any && (strongAuth & STRONG_AUTH_REQUIRED_AFTER_LOCKOUT) != 0) { 610 return KeyguardSecurityView.PROMPT_REASON_AFTER_LOCKOUT; 611 } 612 return KeyguardSecurityView.PROMPT_REASON_NONE; 613 } 614 }; 615 616 public void userActivity() { 617 mPM.userActivity(SystemClock.uptimeMillis(), false); 618 } 619 620 boolean mustNotUnlockCurrentUser() { 621 return (UserManager.isSplitSystemUser() || UserManager.isDeviceInDemoMode(mContext)) 622 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM; 623 } 624 625 private void setupLocked() { 626 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 627 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 628 629 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 630 mShowKeyguardWakeLock.setReferenceCounted(false); 631 632 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 633 mContext.registerReceiver( 634 mBroadcastReceiver, new IntentFilter(DELAYED_LOCK_PROFILE_ACTION)); 635 636 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 637 638 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 639 640 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 641 642 mLockPatternUtils = new LockPatternUtils(mContext); 643 KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); 644 645 // Assume keyguard is showing (unless it's disabled) until we know for sure... 646 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( 647 KeyguardUpdateMonitor.getCurrentUser()), true /* forceCallbacks */); 648 649 mStatusBarKeyguardViewManager = 650 SystemUIFactory.getInstance().createStatusBarKeyguardViewManager(mContext, 651 mViewMediatorCallback, mLockPatternUtils); 652 final ContentResolver cr = mContext.getContentResolver(); 653 654 mDeviceInteractive = mPM.isInteractive(); 655 656 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 657 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 658 if (soundPath != null) { 659 mLockSoundId = mLockSounds.load(soundPath, 1); 660 } 661 if (soundPath == null || mLockSoundId == 0) { 662 Log.w(TAG, "failed to load lock sound from " + soundPath); 663 } 664 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 665 if (soundPath != null) { 666 mUnlockSoundId = mLockSounds.load(soundPath, 1); 667 } 668 if (soundPath == null || mUnlockSoundId == 0) { 669 Log.w(TAG, "failed to load unlock sound from " + soundPath); 670 } 671 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 672 if (soundPath != null) { 673 mTrustedSoundId = mLockSounds.load(soundPath, 1); 674 } 675 if (soundPath == null || mTrustedSoundId == 0) { 676 Log.w(TAG, "failed to load trusted sound from " + soundPath); 677 } 678 679 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 680 com.android.internal.R.integer.config_lockSoundVolumeDb); 681 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 682 683 mHideAnimation = AnimationUtils.loadAnimation(mContext, 684 com.android.internal.R.anim.lock_screen_behind_enter); 685 } 686 687 @Override 688 public void start() { 689 synchronized (this) { 690 setupLocked(); 691 } 692 putComponent(KeyguardViewMediator.class, this); 693 } 694 695 /** 696 * Let us know that the system is ready after startup. 697 */ 698 public void onSystemReady() { 699 synchronized (this) { 700 if (DEBUG) Log.d(TAG, "onSystemReady"); 701 mSystemReady = true; 702 doKeyguardLocked(null); 703 mUpdateMonitor.registerCallback(mUpdateCallback); 704 } 705 // Most services aren't available until the system reaches the ready state, so we 706 // send it here when the device first boots. 707 maybeSendUserPresentBroadcast(); 708 } 709 710 /** 711 * Called to let us know the screen was turned off. 712 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 713 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 714 */ 715 public void onStartedGoingToSleep(int why) { 716 if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); 717 synchronized (this) { 718 mDeviceInteractive = false; 719 mGoingToSleep = true; 720 721 // Lock immediately based on setting if secure (user has a pin/pattern/password). 722 // This also "locks" the device when not secure to provide easy access to the 723 // camera while preventing unwanted input. 724 int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 725 final boolean lockImmediately = 726 mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) 727 || !mLockPatternUtils.isSecure(currentUser); 728 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 729 mLockLater = false; 730 if (mExitSecureCallback != null) { 731 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 732 try { 733 mExitSecureCallback.onKeyguardExitResult(false); 734 } catch (RemoteException e) { 735 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 736 } 737 mExitSecureCallback = null; 738 if (!mExternallyEnabled) { 739 hideLocked(); 740 } 741 } else if (mShowing) { 742 mPendingReset = true; 743 } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) 744 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 745 doKeyguardLaterLocked(timeout); 746 mLockLater = true; 747 } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { 748 mPendingLock = true; 749 } 750 751 if (mPendingLock) { 752 playSounds(true); 753 } 754 } 755 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); 756 notifyStartedGoingToSleep(); 757 } 758 759 public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) { 760 if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); 761 synchronized (this) { 762 mDeviceInteractive = false; 763 mGoingToSleep = false; 764 765 resetKeyguardDonePendingLocked(); 766 mHideAnimationRun = false; 767 768 notifyFinishedGoingToSleep(); 769 770 if (cameraGestureTriggered) { 771 Log.i(TAG, "Camera gesture was triggered, preventing Keyguard locking."); 772 773 // Just to make sure, make sure the device is awake. 774 mContext.getSystemService(PowerManager.class).wakeUp(SystemClock.uptimeMillis(), 775 "com.android.systemui:CAMERA_GESTURE_PREVENT_LOCK"); 776 mPendingLock = false; 777 mPendingReset = false; 778 } 779 780 if (mPendingReset) { 781 resetStateLocked(); 782 mPendingReset = false; 783 } 784 785 if (mPendingLock) { 786 doKeyguardLocked(null); 787 mPendingLock = false; 788 } 789 790 // We do not have timeout and power button instant lock setting for profile lock. 791 // So we use the personal setting if there is any. But if there is no device 792 // we need to make sure we lock it immediately when the screen is off. 793 if (!mLockLater && !cameraGestureTriggered) { 794 doKeyguardForChildProfilesLocked(); 795 } 796 797 } 798 KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); 799 } 800 801 private long getLockTimeout(int userId) { 802 // if the screen turned off because of timeout or the user hit the power button 803 // and we don't need to lock immediately, set an alarm 804 // to enable it a little bit later (i.e, give the user a chance 805 // to turn the screen back on within a certain window without 806 // having to unlock the screen) 807 final ContentResolver cr = mContext.getContentResolver(); 808 809 // From SecuritySettings 810 final long lockAfterTimeout = Settings.Secure.getInt(cr, 811 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 812 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 813 814 // From DevicePolicyAdmin 815 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 816 .getMaximumTimeToLockForUserAndProfiles(userId); 817 818 long timeout; 819 820 if (policyTimeout <= 0) { 821 timeout = lockAfterTimeout; 822 } else { 823 // From DisplaySettings 824 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 825 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 826 827 // policy in effect. Make sure we don't go beyond policy limit. 828 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 829 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 830 timeout = Math.max(timeout, 0); 831 } 832 return timeout; 833 } 834 835 private void doKeyguardLaterLocked() { 836 long timeout = getLockTimeout(KeyguardUpdateMonitor.getCurrentUser()); 837 if (timeout == 0) { 838 doKeyguardLocked(null); 839 } else { 840 doKeyguardLaterLocked(timeout); 841 } 842 } 843 844 private void doKeyguardLaterLocked(long timeout) { 845 // Lock in the future 846 long when = SystemClock.elapsedRealtime() + timeout; 847 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 848 intent.putExtra("seq", mDelayedShowingSequence); 849 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 850 PendingIntent sender = PendingIntent.getBroadcast(mContext, 851 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 852 mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 853 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 854 + mDelayedShowingSequence); 855 doKeyguardLaterForChildProfilesLocked(); 856 } 857 858 private void doKeyguardLaterForChildProfilesLocked() { 859 UserManager um = UserManager.get(mContext); 860 for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { 861 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { 862 long userTimeout = getLockTimeout(profileId); 863 if (userTimeout == 0) { 864 doKeyguardForChildProfilesLocked(); 865 } else { 866 long userWhen = SystemClock.elapsedRealtime() + userTimeout; 867 Intent lockIntent = new Intent(DELAYED_LOCK_PROFILE_ACTION); 868 lockIntent.putExtra("seq", mDelayedProfileShowingSequence); 869 lockIntent.putExtra(Intent.EXTRA_USER_ID, profileId); 870 lockIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 871 PendingIntent lockSender = PendingIntent.getBroadcast( 872 mContext, 0, lockIntent, PendingIntent.FLAG_CANCEL_CURRENT); 873 mAlarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, 874 userWhen, lockSender); 875 } 876 } 877 } 878 } 879 880 private void doKeyguardForChildProfilesLocked() { 881 UserManager um = UserManager.get(mContext); 882 for (int profileId : um.getEnabledProfileIds(UserHandle.myUserId())) { 883 if (mLockPatternUtils.isSeparateProfileChallengeEnabled(profileId)) { 884 lockProfile(profileId); 885 } 886 } 887 } 888 889 private void cancelDoKeyguardLaterLocked() { 890 mDelayedShowingSequence++; 891 } 892 893 private void cancelDoKeyguardForChildProfilesLocked() { 894 mDelayedProfileShowingSequence++; 895 } 896 897 /** 898 * Let's us know when the device is waking up. 899 */ 900 public void onStartedWakingUp() { 901 Trace.beginSection("KeyguardViewMediator#onStartedWakingUp"); 902 903 // TODO: Rename all screen off/on references to interactive/sleeping 904 synchronized (this) { 905 mDeviceInteractive = true; 906 cancelDoKeyguardLaterLocked(); 907 cancelDoKeyguardForChildProfilesLocked(); 908 if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); 909 notifyStartedWakingUp(); 910 } 911 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); 912 maybeSendUserPresentBroadcast(); 913 Trace.endSection(); 914 } 915 916 public void onScreenTurningOn(IKeyguardDrawnCallback callback) { 917 Trace.beginSection("KeyguardViewMediator#onScreenTurningOn"); 918 notifyScreenOn(callback); 919 Trace.endSection(); 920 } 921 922 public void onScreenTurnedOn() { 923 Trace.beginSection("KeyguardViewMediator#onScreenTurnedOn"); 924 notifyScreenTurnedOn(); 925 mUpdateMonitor.dispatchScreenTurnedOn(); 926 Trace.endSection(); 927 } 928 929 public void onScreenTurnedOff() { 930 notifyScreenTurnedOff(); 931 mUpdateMonitor.dispatchScreenTurnedOff(); 932 } 933 934 private void maybeSendUserPresentBroadcast() { 935 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( 936 KeyguardUpdateMonitor.getCurrentUser())) { 937 // Lock screen is disabled because the user has set the preference to "None". 938 // In this case, send out ACTION_USER_PRESENT here instead of in 939 // handleKeyguardDone() 940 sendUserPresentBroadcast(); 941 } else if (mSystemReady && shouldWaitForProvisioning()) { 942 // Skipping the lockscreen because we're not yet provisioned, but we still need to 943 // notify the StrongAuthTracker that it's now safe to run trust agents, in case the 944 // user sets a credential later. 945 getLockPatternUtils().userPresent(KeyguardUpdateMonitor.getCurrentUser()); 946 } 947 } 948 949 /** 950 * A dream started. We should lock after the usual screen-off lock timeout but only 951 * if there is a secure lock pattern. 952 */ 953 public void onDreamingStarted() { 954 KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStarted(); 955 synchronized (this) { 956 if (mDeviceInteractive 957 && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { 958 doKeyguardLaterLocked(); 959 } 960 } 961 } 962 963 /** 964 * A dream stopped. 965 */ 966 public void onDreamingStopped() { 967 KeyguardUpdateMonitor.getInstance(mContext).dispatchDreamingStopped(); 968 synchronized (this) { 969 if (mDeviceInteractive) { 970 cancelDoKeyguardLaterLocked(); 971 } 972 } 973 } 974 975 /** 976 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 977 * a way for external stuff to override normal keyguard behavior. For instance 978 * the phone app disables the keyguard when it receives incoming calls. 979 */ 980 public void setKeyguardEnabled(boolean enabled) { 981 synchronized (this) { 982 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 983 984 mExternallyEnabled = enabled; 985 986 if (!enabled && mShowing) { 987 if (mExitSecureCallback != null) { 988 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 989 // we're in the process of handling a request to verify the user 990 // can get past the keyguard. ignore extraneous requests to disable / reenable 991 return; 992 } 993 994 // hiding keyguard that is showing, remember to reshow later 995 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 996 + "disabling status bar expansion"); 997 mNeedToReshowWhenReenabled = true; 998 updateInputRestrictedLocked(); 999 hideLocked(); 1000 } else if (enabled && mNeedToReshowWhenReenabled) { 1001 // reenabled after previously hidden, reshow 1002 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 1003 + "status bar expansion"); 1004 mNeedToReshowWhenReenabled = false; 1005 updateInputRestrictedLocked(); 1006 1007 if (mExitSecureCallback != null) { 1008 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 1009 try { 1010 mExitSecureCallback.onKeyguardExitResult(false); 1011 } catch (RemoteException e) { 1012 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1013 } 1014 mExitSecureCallback = null; 1015 resetStateLocked(); 1016 } else { 1017 showLocked(null); 1018 1019 // block until we know the keygaurd is done drawing (and post a message 1020 // to unblock us after a timeout so we don't risk blocking too long 1021 // and causing an ANR). 1022 mWaitingUntilKeyguardVisible = true; 1023 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 1024 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 1025 while (mWaitingUntilKeyguardVisible) { 1026 try { 1027 wait(); 1028 } catch (InterruptedException e) { 1029 Thread.currentThread().interrupt(); 1030 } 1031 } 1032 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 1033 } 1034 } 1035 } 1036 } 1037 1038 /** 1039 * @see android.app.KeyguardManager#exitKeyguardSecurely 1040 */ 1041 public void verifyUnlock(IKeyguardExitCallback callback) { 1042 Trace.beginSection("KeyguardViewMediator#verifyUnlock"); 1043 synchronized (this) { 1044 if (DEBUG) Log.d(TAG, "verifyUnlock"); 1045 if (shouldWaitForProvisioning()) { 1046 // don't allow this api when the device isn't provisioned 1047 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 1048 try { 1049 callback.onKeyguardExitResult(false); 1050 } catch (RemoteException e) { 1051 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1052 } 1053 } else if (mExternallyEnabled) { 1054 // this only applies when the user has externally disabled the 1055 // keyguard. this is unexpected and means the user is not 1056 // using the api properly. 1057 Log.w(TAG, "verifyUnlock called when not externally disabled"); 1058 try { 1059 callback.onKeyguardExitResult(false); 1060 } catch (RemoteException e) { 1061 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1062 } 1063 } else if (mExitSecureCallback != null) { 1064 // already in progress with someone else 1065 try { 1066 callback.onKeyguardExitResult(false); 1067 } catch (RemoteException e) { 1068 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1069 } 1070 } else if (!isSecure()) { 1071 1072 // Keyguard is not secure, no need to do anything, and we don't need to reshow 1073 // the Keyguard after the client releases the Keyguard lock. 1074 mExternallyEnabled = true; 1075 mNeedToReshowWhenReenabled = false; 1076 updateInputRestricted(); 1077 try { 1078 callback.onKeyguardExitResult(true); 1079 } catch (RemoteException e) { 1080 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1081 } 1082 } else { 1083 1084 // Since we prevent apps from hiding the Keyguard if we are secure, this should be 1085 // a no-op as well. 1086 try { 1087 callback.onKeyguardExitResult(false); 1088 } catch (RemoteException e) { 1089 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 1090 } 1091 } 1092 } 1093 Trace.endSection(); 1094 } 1095 1096 /** 1097 * Is the keyguard currently showing and not being force hidden? 1098 */ 1099 public boolean isShowingAndNotOccluded() { 1100 return mShowing && !mOccluded; 1101 } 1102 1103 /** 1104 * Notify us when the keyguard is occluded by another window 1105 */ 1106 public void setOccluded(boolean isOccluded, boolean animate) { 1107 Trace.beginSection("KeyguardViewMediator#setOccluded"); 1108 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 1109 mHandler.removeMessages(SET_OCCLUDED); 1110 Message msg = mHandler.obtainMessage(SET_OCCLUDED, isOccluded ? 1 : 0, animate ? 1 : 0); 1111 mHandler.sendMessage(msg); 1112 Trace.endSection(); 1113 } 1114 1115 /** 1116 * Handles SET_OCCLUDED message sent by setOccluded() 1117 */ 1118 private void handleSetOccluded(boolean isOccluded, boolean animate) { 1119 Trace.beginSection("KeyguardViewMediator#handleSetOccluded"); 1120 synchronized (KeyguardViewMediator.this) { 1121 if (mHiding && isOccluded) { 1122 // We're in the process of going away but WindowManager wants to show a 1123 // SHOW_WHEN_LOCKED activity instead. 1124 startKeyguardExitAnimation(0, 0); 1125 } 1126 1127 if (mOccluded != isOccluded) { 1128 mOccluded = isOccluded; 1129 mStatusBarKeyguardViewManager.setOccluded(isOccluded, animate); 1130 adjustStatusBarLocked(); 1131 } 1132 } 1133 Trace.endSection(); 1134 } 1135 1136 /** 1137 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 1138 * This must be safe to call from any thread and with any window manager locks held. 1139 */ 1140 public void doKeyguardTimeout(Bundle options) { 1141 mHandler.removeMessages(KEYGUARD_TIMEOUT); 1142 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 1143 mHandler.sendMessage(msg); 1144 } 1145 1146 /** 1147 * Given the state of the keyguard, is the input restricted? 1148 * Input is restricted when the keyguard is showing, or when the keyguard 1149 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 1150 */ 1151 public boolean isInputRestricted() { 1152 return mShowing || mNeedToReshowWhenReenabled; 1153 } 1154 1155 private void updateInputRestricted() { 1156 synchronized (this) { 1157 updateInputRestrictedLocked(); 1158 } 1159 } 1160 private void updateInputRestrictedLocked() { 1161 boolean inputRestricted = isInputRestricted(); 1162 if (mInputRestricted != inputRestricted) { 1163 mInputRestricted = inputRestricted; 1164 int size = mKeyguardStateCallbacks.size(); 1165 for (int i = size - 1; i >= 0; i--) { 1166 try { 1167 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 1168 } catch (RemoteException e) { 1169 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 1170 if (e instanceof DeadObjectException) { 1171 mKeyguardStateCallbacks.remove(i); 1172 } 1173 } 1174 } 1175 } 1176 } 1177 1178 /** 1179 * Enable the keyguard if the settings are appropriate. 1180 */ 1181 private void doKeyguardLocked(Bundle options) { 1182 // if another app is disabling us, don't show 1183 if (!mExternallyEnabled) { 1184 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 1185 1186 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 1187 // for an occasional ugly flicker in this situation: 1188 // 1) receive a call with the screen on (no keyguard) or make a call 1189 // 2) screen times out 1190 // 3) user hits key to turn screen back on 1191 // instead, we reenable the keyguard when we know the screen is off and the call 1192 // ends (see the broadcast receiver below) 1193 // TODO: clean this up when we have better support at the window manager level 1194 // for apps that wish to be on top of the keyguard 1195 return; 1196 } 1197 1198 // if the keyguard is already showing, don't bother 1199 if (mStatusBarKeyguardViewManager.isShowing()) { 1200 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 1201 resetStateLocked(); 1202 return; 1203 } 1204 1205 // In split system user mode, we never unlock system user. 1206 if (!mustNotUnlockCurrentUser() 1207 || !mUpdateMonitor.isDeviceProvisioned()) { 1208 1209 // if the setup wizard hasn't run yet, don't show 1210 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 1211 final boolean absent = SubscriptionManager.isValidSubscriptionId( 1212 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 1213 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 1214 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 1215 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 1216 || ((absent || disabled) && requireSim); 1217 1218 if (!lockedOrMissing && shouldWaitForProvisioning()) { 1219 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 1220 + " and the sim is not locked or missing"); 1221 return; 1222 } 1223 1224 boolean forceShow = options != null && options.getBoolean(OPTION_FORCE_SHOW, false); 1225 if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) 1226 && !lockedOrMissing && !forceShow) { 1227 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 1228 return; 1229 } 1230 1231 if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { 1232 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 1233 // Without this, settings is not enabled until the lock screen first appears 1234 setShowingLocked(false); 1235 hideLocked(); 1236 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 1237 return; 1238 } 1239 } 1240 1241 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 1242 showLocked(options); 1243 } 1244 1245 private void lockProfile(int userId) { 1246 mTrustManager.setDeviceLockedForUser(userId, true); 1247 } 1248 1249 private boolean shouldWaitForProvisioning() { 1250 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 1251 } 1252 1253 /** 1254 * Dismiss the keyguard through the security layers. 1255 * @param allowWhileOccluded if true, dismiss the keyguard even if it's currently occluded. 1256 */ 1257 public void handleDismiss(boolean allowWhileOccluded) { 1258 if (mShowing && (allowWhileOccluded || !mOccluded)) { 1259 mStatusBarKeyguardViewManager.dismissAndCollapse(); 1260 } 1261 } 1262 1263 public void dismiss(boolean allowWhileOccluded) { 1264 mHandler.obtainMessage(DISMISS, allowWhileOccluded ? 1 : 0, 0).sendToTarget(); 1265 } 1266 1267 /** 1268 * Send message to keyguard telling it to reset its state. 1269 * @see #handleReset 1270 */ 1271 private void resetStateLocked() { 1272 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1273 Message msg = mHandler.obtainMessage(RESET); 1274 mHandler.sendMessage(msg); 1275 } 1276 1277 /** 1278 * Send message to keyguard telling it to verify unlock 1279 * @see #handleVerifyUnlock() 1280 */ 1281 private void verifyUnlockLocked() { 1282 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1283 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1284 } 1285 1286 private void notifyStartedGoingToSleep() { 1287 if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); 1288 mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); 1289 } 1290 1291 private void notifyFinishedGoingToSleep() { 1292 if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); 1293 mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); 1294 } 1295 1296 private void notifyStartedWakingUp() { 1297 if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); 1298 mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); 1299 } 1300 1301 private void notifyScreenOn(IKeyguardDrawnCallback callback) { 1302 if (DEBUG) Log.d(TAG, "notifyScreenOn"); 1303 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); 1304 mHandler.sendMessage(msg); 1305 } 1306 1307 private void notifyScreenTurnedOn() { 1308 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); 1309 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); 1310 mHandler.sendMessage(msg); 1311 } 1312 1313 private void notifyScreenTurnedOff() { 1314 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); 1315 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); 1316 mHandler.sendMessage(msg); 1317 } 1318 1319 /** 1320 * Send message to keyguard telling it to show itself 1321 * @see #handleShow 1322 */ 1323 private void showLocked(Bundle options) { 1324 Trace.beginSection("KeyguardViewMediator#showLocked aqcuiring mShowKeyguardWakeLock"); 1325 if (DEBUG) Log.d(TAG, "showLocked"); 1326 // ensure we stay awake until we are finished displaying the keyguard 1327 mShowKeyguardWakeLock.acquire(); 1328 Message msg = mHandler.obtainMessage(SHOW, options); 1329 mHandler.sendMessage(msg); 1330 Trace.endSection(); 1331 } 1332 1333 /** 1334 * Send message to keyguard telling it to hide itself 1335 * @see #handleHide() 1336 */ 1337 private void hideLocked() { 1338 Trace.beginSection("KeyguardViewMediator#hideLocked"); 1339 if (DEBUG) Log.d(TAG, "hideLocked"); 1340 Message msg = mHandler.obtainMessage(HIDE); 1341 mHandler.sendMessage(msg); 1342 Trace.endSection(); 1343 } 1344 1345 public boolean isSecure() { 1346 return isSecure(KeyguardUpdateMonitor.getCurrentUser()); 1347 } 1348 1349 public boolean isSecure(int userId) { 1350 return mLockPatternUtils.isSecure(userId) 1351 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1352 } 1353 1354 public void setSwitchingUser(boolean switching) { 1355 KeyguardUpdateMonitor.getInstance(mContext).setSwitchingUser(switching); 1356 } 1357 1358 /** 1359 * Update the newUserId. Call while holding WindowManagerService lock. 1360 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1361 * 1362 * @param newUserId The id of the incoming user. 1363 */ 1364 public void setCurrentUser(int newUserId) { 1365 KeyguardUpdateMonitor.setCurrentUser(newUserId); 1366 synchronized (this) { 1367 notifyTrustedChangedLocked(mUpdateMonitor.getUserHasTrust(newUserId)); 1368 } 1369 } 1370 1371 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1372 @Override 1373 public void onReceive(Context context, Intent intent) { 1374 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1375 final int sequence = intent.getIntExtra("seq", 0); 1376 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1377 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1378 synchronized (KeyguardViewMediator.this) { 1379 if (mDelayedShowingSequence == sequence) { 1380 doKeyguardLocked(null); 1381 } 1382 } 1383 } else if (DELAYED_LOCK_PROFILE_ACTION.equals(intent.getAction())) { 1384 final int sequence = intent.getIntExtra("seq", 0); 1385 int userId = intent.getIntExtra(Intent.EXTRA_USER_ID, 0); 1386 if (userId != 0) { 1387 synchronized (KeyguardViewMediator.this) { 1388 if (mDelayedProfileShowingSequence == sequence) { 1389 lockProfile(userId); 1390 } 1391 } 1392 } 1393 } 1394 } 1395 }; 1396 1397 public void keyguardDone(boolean authenticated) { 1398 Trace.beginSection("KeyguardViewMediator#keyguardDone"); 1399 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated +")"); 1400 userActivity(); 1401 EventLog.writeEvent(70000, 2); 1402 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0); 1403 mHandler.sendMessage(msg); 1404 Trace.endSection(); 1405 } 1406 1407 /** 1408 * This handler will be associated with the policy thread, which will also 1409 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1410 * this class, can be called by other threads, any action that directly 1411 * interacts with the keyguard ui should be posted to this handler, rather 1412 * than called directly. 1413 */ 1414 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1415 @Override 1416 public void handleMessage(Message msg) { 1417 switch (msg.what) { 1418 case SHOW: 1419 handleShow((Bundle) msg.obj); 1420 break; 1421 case HIDE: 1422 handleHide(); 1423 break; 1424 case RESET: 1425 handleReset(); 1426 break; 1427 case VERIFY_UNLOCK: 1428 Trace.beginSection("KeyguardViewMediator#handleMessage VERIFY_UNLOCK"); 1429 handleVerifyUnlock(); 1430 Trace.endSection(); 1431 break; 1432 case NOTIFY_STARTED_GOING_TO_SLEEP: 1433 handleNotifyStartedGoingToSleep(); 1434 break; 1435 case NOTIFY_FINISHED_GOING_TO_SLEEP: 1436 handleNotifyFinishedGoingToSleep(); 1437 break; 1438 case NOTIFY_SCREEN_TURNING_ON: 1439 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNING_ON"); 1440 handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); 1441 Trace.endSection(); 1442 break; 1443 case NOTIFY_SCREEN_TURNED_ON: 1444 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_SCREEN_TURNED_ON"); 1445 handleNotifyScreenTurnedOn(); 1446 Trace.endSection(); 1447 break; 1448 case NOTIFY_SCREEN_TURNED_OFF: 1449 handleNotifyScreenTurnedOff(); 1450 break; 1451 case NOTIFY_STARTED_WAKING_UP: 1452 Trace.beginSection("KeyguardViewMediator#handleMessage NOTIFY_STARTED_WAKING_UP"); 1453 handleNotifyStartedWakingUp(); 1454 Trace.endSection(); 1455 break; 1456 case KEYGUARD_DONE: 1457 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE"); 1458 handleKeyguardDone(msg.arg1 != 0); 1459 Trace.endSection(); 1460 break; 1461 case KEYGUARD_DONE_DRAWING: 1462 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_DRAWING"); 1463 handleKeyguardDoneDrawing(); 1464 Trace.endSection(); 1465 break; 1466 case SET_OCCLUDED: 1467 Trace.beginSection("KeyguardViewMediator#handleMessage SET_OCCLUDED"); 1468 handleSetOccluded(msg.arg1 != 0, msg.arg2 != 0); 1469 Trace.endSection(); 1470 break; 1471 case KEYGUARD_TIMEOUT: 1472 synchronized (KeyguardViewMediator.this) { 1473 doKeyguardLocked((Bundle) msg.obj); 1474 } 1475 break; 1476 case DISMISS: 1477 handleDismiss(msg.arg1 == 1 ? true : false /* allowWhileOccluded */); 1478 break; 1479 case START_KEYGUARD_EXIT_ANIM: 1480 Trace.beginSection("KeyguardViewMediator#handleMessage START_KEYGUARD_EXIT_ANIM"); 1481 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1482 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1483 FalsingManager.getInstance(mContext).onSucccessfulUnlock(); 1484 Trace.endSection(); 1485 break; 1486 case KEYGUARD_DONE_PENDING_TIMEOUT: 1487 Trace.beginSection("KeyguardViewMediator#handleMessage KEYGUARD_DONE_PENDING_TIMEOUT"); 1488 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1489 Trace.endSection(); 1490 break; 1491 } 1492 } 1493 }; 1494 1495 private void tryKeyguardDone(boolean authenticated) { 1496 if (!mKeyguardDonePending && mHideAnimationRun && !mHideAnimationRunning) { 1497 handleKeyguardDone(authenticated); 1498 } else if (!mHideAnimationRun) { 1499 mHideAnimationRun = true; 1500 mHideAnimationRunning = true; 1501 mStatusBarKeyguardViewManager.startPreHideAnimation(mHideAnimationFinishedRunnable); 1502 } 1503 } 1504 1505 /** 1506 * @see #keyguardDone 1507 * @see #KEYGUARD_DONE 1508 */ 1509 private void handleKeyguardDone(boolean authenticated) { 1510 Trace.beginSection("KeyguardViewMediator#handleKeyguardDone"); 1511 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 1512 if (mLockPatternUtils.isSecure(currentUser)) { 1513 mLockPatternUtils.getDevicePolicyManager().reportKeyguardDismissed(currentUser); 1514 } 1515 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1516 synchronized (this) { 1517 resetKeyguardDonePendingLocked(); 1518 } 1519 1520 if (authenticated) { 1521 mUpdateMonitor.clearFailedUnlockAttempts(); 1522 } 1523 mUpdateMonitor.clearFingerprintRecognized(); 1524 1525 if (mGoingToSleep) { 1526 Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); 1527 return; 1528 } 1529 if (mExitSecureCallback != null) { 1530 try { 1531 mExitSecureCallback.onKeyguardExitResult(authenticated); 1532 } catch (RemoteException e) { 1533 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1534 } 1535 1536 mExitSecureCallback = null; 1537 1538 if (authenticated) { 1539 // after succesfully exiting securely, no need to reshow 1540 // the keyguard when they've released the lock 1541 mExternallyEnabled = true; 1542 mNeedToReshowWhenReenabled = false; 1543 updateInputRestricted(); 1544 } 1545 } 1546 1547 handleHide(); 1548 Trace.endSection(); 1549 } 1550 1551 private void sendUserPresentBroadcast() { 1552 synchronized (this) { 1553 if (mBootCompleted) { 1554 int currentUserId = KeyguardUpdateMonitor.getCurrentUser(); 1555 final UserHandle currentUser = new UserHandle(currentUserId); 1556 final UserManager um = (UserManager) mContext.getSystemService( 1557 Context.USER_SERVICE); 1558 for (int profileId : um.getProfileIdsWithDisabled(currentUser.getIdentifier())) { 1559 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, UserHandle.of(profileId)); 1560 } 1561 getLockPatternUtils().userPresent(currentUserId); 1562 } else { 1563 mBootSendUserPresent = true; 1564 } 1565 } 1566 } 1567 1568 /** 1569 * @see #keyguardDone 1570 * @see #KEYGUARD_DONE_DRAWING 1571 */ 1572 private void handleKeyguardDoneDrawing() { 1573 Trace.beginSection("KeyguardViewMediator#handleKeyguardDoneDrawing"); 1574 synchronized(this) { 1575 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1576 if (mWaitingUntilKeyguardVisible) { 1577 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1578 mWaitingUntilKeyguardVisible = false; 1579 notifyAll(); 1580 1581 // there will usually be two of these sent, one as a timeout, and one 1582 // as a result of the callback, so remove any remaining messages from 1583 // the queue 1584 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1585 } 1586 } 1587 Trace.endSection(); 1588 } 1589 1590 private void playSounds(boolean locked) { 1591 playSound(locked ? mLockSoundId : mUnlockSoundId); 1592 } 1593 1594 private void playSound(int soundId) { 1595 if (soundId == 0) return; 1596 final ContentResolver cr = mContext.getContentResolver(); 1597 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1598 1599 mLockSounds.stop(mLockSoundStreamId); 1600 // Init mAudioManager 1601 if (mAudioManager == null) { 1602 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1603 if (mAudioManager == null) return; 1604 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1605 } 1606 // If the stream is muted, don't play the sound 1607 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1608 1609 mLockSoundStreamId = mLockSounds.play(soundId, 1610 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1611 } 1612 } 1613 1614 private void playTrustedSound() { 1615 playSound(mTrustedSoundId); 1616 } 1617 1618 private void updateActivityLockScreenState() { 1619 Trace.beginSection("KeyguardViewMediator#updateActivityLockScreenState"); 1620 try { 1621 ActivityManager.getService().setLockScreenShown(mShowing); 1622 } catch (RemoteException e) { 1623 } 1624 Trace.endSection(); 1625 } 1626 1627 /** 1628 * Handle message sent by {@link #showLocked}. 1629 * @see #SHOW 1630 */ 1631 private void handleShow(Bundle options) { 1632 Trace.beginSection("KeyguardViewMediator#handleShow"); 1633 final int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 1634 if (mLockPatternUtils.isSecure(currentUser)) { 1635 mLockPatternUtils.getDevicePolicyManager().reportKeyguardSecured(currentUser); 1636 } 1637 synchronized (KeyguardViewMediator.this) { 1638 if (!mSystemReady) { 1639 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1640 return; 1641 } else { 1642 if (DEBUG) Log.d(TAG, "handleShow"); 1643 } 1644 1645 setShowingLocked(true); 1646 mStatusBarKeyguardViewManager.show(options); 1647 mHiding = false; 1648 mWakeAndUnlocking = false; 1649 resetKeyguardDonePendingLocked(); 1650 mHideAnimationRun = false; 1651 adjustStatusBarLocked(); 1652 userActivity(); 1653 1654 mShowKeyguardWakeLock.release(); 1655 } 1656 mKeyguardDisplayManager.show(); 1657 Trace.endSection(); 1658 } 1659 1660 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1661 @Override 1662 public void run() { 1663 Trace.beginSection("KeyguardViewMediator.mKeyGuardGoingAwayRunnable"); 1664 if (DEBUG) Log.d(TAG, "keyguardGoingAway"); 1665 try { 1666 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1667 1668 int flags = 0; 1669 if (mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() 1670 || mWakeAndUnlocking) { 1671 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS; 1672 } 1673 if (mStatusBarKeyguardViewManager.isGoingToNotificationShade()) { 1674 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_TO_SHADE; 1675 } 1676 if (mStatusBarKeyguardViewManager.isUnlockWithWallpaper()) { 1677 flags |= WindowManagerPolicy.KEYGUARD_GOING_AWAY_FLAG_WITH_WALLPAPER; 1678 } 1679 1680 // Don't actually hide the Keyguard at the moment, wait for window 1681 // manager until it tells us it's safe to do so with 1682 // startKeyguardExitAnimation. 1683 ActivityManager.getService().keyguardGoingAway(flags); 1684 } catch (RemoteException e) { 1685 Log.e(TAG, "Error while calling WindowManager", e); 1686 } 1687 Trace.endSection(); 1688 } 1689 }; 1690 1691 private final Runnable mHideAnimationFinishedRunnable = () -> { 1692 mHideAnimationRunning = false; 1693 tryKeyguardDone(true); 1694 }; 1695 1696 /** 1697 * Handle message sent by {@link #hideLocked()} 1698 * @see #HIDE 1699 */ 1700 private void handleHide() { 1701 Trace.beginSection("KeyguardViewMediator#handleHide"); 1702 synchronized (KeyguardViewMediator.this) { 1703 if (DEBUG) Log.d(TAG, "handleHide"); 1704 1705 if (mustNotUnlockCurrentUser()) { 1706 // In split system user mode, we never unlock system user. The end user has to 1707 // switch to another user. 1708 // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up 1709 // still completes and makes the screen blank. 1710 if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); 1711 return; 1712 } 1713 mHiding = true; 1714 1715 if (mShowing && !mOccluded) { 1716 mKeyguardGoingAwayRunnable.run(); 1717 } else { 1718 handleStartKeyguardExitAnimation( 1719 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1720 mHideAnimation.getDuration()); 1721 } 1722 } 1723 Trace.endSection(); 1724 } 1725 1726 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1727 Trace.beginSection("KeyguardViewMediator#handleStartKeyguardExitAnimation"); 1728 if (DEBUG) Log.d(TAG, "handleStartKeyguardExitAnimation startTime=" + startTime 1729 + " fadeoutDuration=" + fadeoutDuration); 1730 synchronized (KeyguardViewMediator.this) { 1731 1732 if (!mHiding) { 1733 return; 1734 } 1735 mHiding = false; 1736 1737 if (mWakeAndUnlocking && mDrawnCallback != null) { 1738 1739 // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report 1740 // the next draw from here so we don't have to wait for window manager to signal 1741 // this to our ViewRootImpl. 1742 mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); 1743 notifyDrawn(mDrawnCallback); 1744 mDrawnCallback = null; 1745 } 1746 1747 // only play "unlock" noises if not on a call (since the incall UI 1748 // disables the keyguard) 1749 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1750 playSounds(false); 1751 } 1752 1753 mWakeAndUnlocking = false; 1754 setShowingLocked(false); 1755 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1756 resetKeyguardDonePendingLocked(); 1757 mHideAnimationRun = false; 1758 adjustStatusBarLocked(); 1759 sendUserPresentBroadcast(); 1760 } 1761 Trace.endSection(); 1762 } 1763 1764 private void adjustStatusBarLocked() { 1765 if (mStatusBarManager == null) { 1766 mStatusBarManager = (StatusBarManager) 1767 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1768 } 1769 if (mStatusBarManager == null) { 1770 Log.w(TAG, "Could not get status bar manager"); 1771 } else { 1772 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1773 // windows that appear on top, ever 1774 int flags = StatusBarManager.DISABLE_NONE; 1775 if (mShowing) { 1776 // Permanently disable components not available when keyguard is enabled 1777 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1778 // done in KeyguardHostView. 1779 flags |= StatusBarManager.DISABLE_RECENT; 1780 flags |= StatusBarManager.DISABLE_SEARCH; 1781 } 1782 if (isShowingAndNotOccluded()) { 1783 flags |= StatusBarManager.DISABLE_HOME; 1784 } 1785 1786 if (DEBUG) { 1787 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1788 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1789 } 1790 1791 if (!(mContext instanceof Activity)) { 1792 mStatusBarManager.disable(flags); 1793 } 1794 } 1795 } 1796 1797 /** 1798 * Handle message sent by {@link #resetStateLocked} 1799 * @see #RESET 1800 */ 1801 private void handleReset() { 1802 synchronized (KeyguardViewMediator.this) { 1803 if (DEBUG) Log.d(TAG, "handleReset"); 1804 mStatusBarKeyguardViewManager.reset(true /* hideBouncerWhenShowing */); 1805 } 1806 } 1807 1808 /** 1809 * Handle message sent by {@link #verifyUnlock} 1810 * @see #VERIFY_UNLOCK 1811 */ 1812 private void handleVerifyUnlock() { 1813 Trace.beginSection("KeyguardViewMediator#handleVerifyUnlock"); 1814 synchronized (KeyguardViewMediator.this) { 1815 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1816 setShowingLocked(true); 1817 mStatusBarKeyguardViewManager.dismissAndCollapse(); 1818 } 1819 Trace.endSection(); 1820 } 1821 1822 private void handleNotifyStartedGoingToSleep() { 1823 synchronized (KeyguardViewMediator.this) { 1824 if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); 1825 mStatusBarKeyguardViewManager.onStartedGoingToSleep(); 1826 } 1827 } 1828 1829 /** 1830 * Handle message sent by {@link #notifyFinishedGoingToSleep()} 1831 * @see #NOTIFY_FINISHED_GOING_TO_SLEEP 1832 */ 1833 private void handleNotifyFinishedGoingToSleep() { 1834 synchronized (KeyguardViewMediator.this) { 1835 if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); 1836 mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); 1837 } 1838 } 1839 1840 private void handleNotifyStartedWakingUp() { 1841 Trace.beginSection("KeyguardViewMediator#handleMotifyStartedWakingUp"); 1842 synchronized (KeyguardViewMediator.this) { 1843 if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); 1844 mStatusBarKeyguardViewManager.onStartedWakingUp(); 1845 } 1846 Trace.endSection(); 1847 } 1848 1849 private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { 1850 Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurningOn"); 1851 synchronized (KeyguardViewMediator.this) { 1852 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); 1853 mStatusBarKeyguardViewManager.onScreenTurningOn(); 1854 if (callback != null) { 1855 if (mWakeAndUnlocking) { 1856 mDrawnCallback = callback; 1857 } else { 1858 notifyDrawn(callback); 1859 } 1860 } 1861 } 1862 Trace.endSection(); 1863 } 1864 1865 private void handleNotifyScreenTurnedOn() { 1866 Trace.beginSection("KeyguardViewMediator#handleNotifyScreenTurnedOn"); 1867 if (LatencyTracker.isEnabled(mContext)) { 1868 LatencyTracker.getInstance(mContext).onActionEnd(LatencyTracker.ACTION_TURN_ON_SCREEN); 1869 } 1870 synchronized (this) { 1871 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); 1872 mStatusBarKeyguardViewManager.onScreenTurnedOn(); 1873 } 1874 Trace.endSection(); 1875 } 1876 1877 private void handleNotifyScreenTurnedOff() { 1878 synchronized (this) { 1879 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); 1880 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1881 mDrawnCallback = null; 1882 mWakeAndUnlocking = false; 1883 } 1884 } 1885 1886 private void notifyDrawn(final IKeyguardDrawnCallback callback) { 1887 Trace.beginSection("KeyguardViewMediator#notifyDrawn"); 1888 try { 1889 callback.onDrawn(); 1890 } catch (RemoteException e) { 1891 Slog.w(TAG, "Exception calling onDrawn():", e); 1892 } 1893 Trace.endSection(); 1894 } 1895 1896 private void resetKeyguardDonePendingLocked() { 1897 mKeyguardDonePending = false; 1898 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1899 } 1900 1901 @Override 1902 public void onBootCompleted() { 1903 mUpdateMonitor.dispatchBootCompleted(); 1904 synchronized (this) { 1905 mBootCompleted = true; 1906 if (mBootSendUserPresent) { 1907 sendUserPresentBroadcast(); 1908 } 1909 } 1910 } 1911 1912 public void onWakeAndUnlocking() { 1913 Trace.beginSection("KeyguardViewMediator#onWakeAndUnlocking"); 1914 mWakeAndUnlocking = true; 1915 keyguardDone(true /* authenticated */); 1916 Trace.endSection(); 1917 } 1918 1919 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1920 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1921 ScrimController scrimController, 1922 FingerprintUnlockController fingerprintUnlockController) { 1923 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1924 statusBarWindowManager, scrimController, fingerprintUnlockController); 1925 return mStatusBarKeyguardViewManager; 1926 } 1927 1928 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1929 Trace.beginSection("KeyguardViewMediator#startKeyguardExitAnimation"); 1930 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1931 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1932 mHandler.sendMessage(msg); 1933 Trace.endSection(); 1934 } 1935 1936 public ViewMediatorCallback getViewMediatorCallback() { 1937 return mViewMediatorCallback; 1938 } 1939 1940 public LockPatternUtils getLockPatternUtils() { 1941 return mLockPatternUtils; 1942 } 1943 1944 @Override 1945 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1946 pw.print(" mSystemReady: "); pw.println(mSystemReady); 1947 pw.print(" mBootCompleted: "); pw.println(mBootCompleted); 1948 pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); 1949 pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); 1950 pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); 1951 pw.print(" mShowing: "); pw.println(mShowing); 1952 pw.print(" mInputRestricted: "); pw.println(mInputRestricted); 1953 pw.print(" mOccluded: "); pw.println(mOccluded); 1954 pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); 1955 pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); 1956 pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); 1957 pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); 1958 pw.print(" mHiding: "); pw.println(mHiding); 1959 pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); 1960 pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); 1961 pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); 1962 pw.print(" mPendingReset: "); pw.println(mPendingReset); 1963 pw.print(" mPendingLock: "); pw.println(mPendingLock); 1964 pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); 1965 pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); 1966 } 1967 1968 private static class StartKeyguardExitAnimParams { 1969 1970 long startTime; 1971 long fadeoutDuration; 1972 1973 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1974 this.startTime = startTime; 1975 this.fadeoutDuration = fadeoutDuration; 1976 } 1977 } 1978 1979 private void setShowingLocked(boolean showing) { 1980 setShowingLocked(showing, false /* forceCallbacks */); 1981 } 1982 1983 private void setShowingLocked(boolean showing, boolean forceCallbacks) { 1984 if (showing != mShowing || forceCallbacks) { 1985 mShowing = showing; 1986 int size = mKeyguardStateCallbacks.size(); 1987 for (int i = size - 1; i >= 0; i--) { 1988 try { 1989 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1990 } catch (RemoteException e) { 1991 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1992 if (e instanceof DeadObjectException) { 1993 mKeyguardStateCallbacks.remove(i); 1994 } 1995 } 1996 } 1997 updateInputRestrictedLocked(); 1998 mTrustManager.reportKeyguardShowingChanged(); 1999 updateActivityLockScreenState(); 2000 } 2001 } 2002 2003 private void notifyTrustedChangedLocked(boolean trusted) { 2004 int size = mKeyguardStateCallbacks.size(); 2005 for (int i = size - 1; i >= 0; i--) { 2006 try { 2007 mKeyguardStateCallbacks.get(i).onTrustedChanged(trusted); 2008 } catch (RemoteException e) { 2009 Slog.w(TAG, "Failed to call notifyTrustedChangedLocked", e); 2010 if (e instanceof DeadObjectException) { 2011 mKeyguardStateCallbacks.remove(i); 2012 } 2013 } 2014 } 2015 } 2016 2017 private void notifyHasLockscreenWallpaperChanged(boolean hasLockscreenWallpaper) { 2018 int size = mKeyguardStateCallbacks.size(); 2019 for (int i = size - 1; i >= 0; i--) { 2020 try { 2021 mKeyguardStateCallbacks.get(i).onHasLockscreenWallpaperChanged( 2022 hasLockscreenWallpaper); 2023 } catch (RemoteException e) { 2024 Slog.w(TAG, "Failed to call onHasLockscreenWallpaperChanged", e); 2025 if (e instanceof DeadObjectException) { 2026 mKeyguardStateCallbacks.remove(i); 2027 } 2028 } 2029 } 2030 } 2031 2032 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 2033 synchronized (this) { 2034 mKeyguardStateCallbacks.add(callback); 2035 try { 2036 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 2037 callback.onShowingStateChanged(mShowing); 2038 callback.onInputRestrictedStateChanged(mInputRestricted); 2039 callback.onTrustedChanged(mUpdateMonitor.getUserHasTrust( 2040 KeyguardUpdateMonitor.getCurrentUser())); 2041 callback.onHasLockscreenWallpaperChanged(mUpdateMonitor.hasLockscreenWallpaper()); 2042 } catch (RemoteException e) { 2043 Slog.w(TAG, "Failed to call to IKeyguardStateCallback", e); 2044 } 2045 } 2046 } 2047} 2048