KeyguardViewMediator.java revision 27e025b687f49010f40ce978d2d3a96c301fa7e8
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.keyguard; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.ActivityManagerNative; 22import android.app.AlarmManager; 23import android.app.PendingIntent; 24import android.app.SearchManager; 25import android.app.StatusBarManager; 26import android.app.trust.TrustManager; 27import android.content.BroadcastReceiver; 28import android.content.ContentResolver; 29import android.content.Context; 30import android.content.Intent; 31import android.content.IntentFilter; 32import android.content.pm.UserInfo; 33import android.media.AudioManager; 34import android.media.SoundPool; 35import android.os.Bundle; 36import android.os.DeadObjectException; 37import android.os.Handler; 38import android.os.Looper; 39import android.os.Message; 40import android.os.PowerManager; 41import android.os.RemoteException; 42import android.os.SystemClock; 43import android.os.SystemProperties; 44import android.os.UserHandle; 45import android.os.UserManager; 46import android.provider.Settings; 47import android.telephony.SubscriptionManager; 48import android.telephony.TelephonyManager; 49import android.util.EventLog; 50import android.util.Log; 51import android.util.Slog; 52import android.view.IWindowManager; 53import android.view.ViewGroup; 54import android.view.WindowManagerGlobal; 55import android.view.WindowManagerPolicy; 56import android.view.animation.Animation; 57import android.view.animation.AnimationUtils; 58 59import com.android.internal.policy.IKeyguardDrawnCallback; 60import com.android.internal.policy.IKeyguardExitCallback; 61import com.android.internal.policy.IKeyguardStateCallback; 62import com.android.internal.telephony.IccCardConstants; 63import com.android.internal.widget.LockPatternUtils; 64import com.android.keyguard.KeyguardConstants; 65import com.android.keyguard.KeyguardDisplayManager; 66import com.android.keyguard.KeyguardSecurityView; 67import com.android.keyguard.KeyguardUpdateMonitor; 68import com.android.keyguard.KeyguardUpdateMonitorCallback; 69import com.android.keyguard.ViewMediatorCallback; 70import com.android.systemui.SystemUI; 71import com.android.systemui.classifier.FalsingManager; 72import com.android.systemui.statusbar.phone.FingerprintUnlockController; 73import com.android.systemui.statusbar.phone.PhoneStatusBar; 74import com.android.systemui.statusbar.phone.ScrimController; 75import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 76import com.android.systemui.statusbar.phone.StatusBarWindowManager; 77 78import java.io.FileDescriptor; 79import java.io.PrintWriter; 80import java.util.ArrayList; 81import java.util.List; 82 83import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 84 85/** 86 * Mediates requests related to the keyguard. This includes queries about the 87 * state of the keyguard, power management events that effect whether the keyguard 88 * should be shown or reset, callbacks to the phone window manager to notify 89 * it of when the keyguard is showing, and events from the keyguard view itself 90 * stating that the keyguard was succesfully unlocked. 91 * 92 * Note that the keyguard view is shown when the screen is off (as appropriate) 93 * so that once the screen comes on, it will be ready immediately. 94 * 95 * Example queries about the keyguard: 96 * - is {movement, key} one that should wake the keygaurd? 97 * - is the keyguard showing? 98 * - are input events restricted due to the state of the keyguard? 99 * 100 * Callbacks to the phone window manager: 101 * - the keyguard is showing 102 * 103 * Example external events that translate to keyguard view changes: 104 * - screen turned off -> reset the keyguard, and show it so it will be ready 105 * next time the screen turns on 106 * - keyboard is slid open -> if the keyguard is not secure, hide it 107 * 108 * Events from the keyguard view: 109 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 110 * restrict input events. 111 * 112 * Note: in addition to normal power managment events that effect the state of 113 * whether the keyguard should be showing, external apps and services may request 114 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 115 * false, this will override all other conditions for turning on the keyguard. 116 * 117 * Threading and synchronization: 118 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 119 * and runs on its thread. The keyguard UI is created from that thread in the 120 * constructor of this class. The apis may be called from other threads, including the 121 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 122 * Therefore, methods on this class are synchronized, and any action that is pointed 123 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 124 * thread of the keyguard. 125 */ 126public class KeyguardViewMediator extends SystemUI { 127 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 128 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 129 130 private static final boolean DEBUG = KeyguardConstants.DEBUG; 131 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 132 private final static boolean DBG_WAKE = false; 133 134 private final static String TAG = "KeyguardViewMediator"; 135 136 private static final String DELAYED_KEYGUARD_ACTION = 137 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 138 139 // used for handler messages 140 private static final int SHOW = 2; 141 private static final int HIDE = 3; 142 private static final int RESET = 4; 143 private static final int VERIFY_UNLOCK = 5; 144 private static final int NOTIFY_FINISHED_GOING_TO_SLEEP = 6; 145 private static final int NOTIFY_SCREEN_TURNING_ON = 7; 146 private static final int KEYGUARD_DONE = 9; 147 private static final int KEYGUARD_DONE_DRAWING = 10; 148 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 149 private static final int SET_OCCLUDED = 12; 150 private static final int KEYGUARD_TIMEOUT = 13; 151 private static final int DISMISS = 17; 152 private static final int START_KEYGUARD_EXIT_ANIM = 18; 153 private static final int ON_ACTIVITY_DRAWN = 19; 154 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 155 private static final int NOTIFY_STARTED_WAKING_UP = 21; 156 private static final int NOTIFY_SCREEN_TURNED_ON = 22; 157 private static final int NOTIFY_SCREEN_TURNED_OFF = 23; 158 private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 24; 159 160 /** 161 * The default amount of time we stay awake (used for all key input) 162 */ 163 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 164 165 /** 166 * How long to wait after the screen turns off due to timeout before 167 * turning on the keyguard (i.e, the user has this much time to turn 168 * the screen back on without having to face the keyguard). 169 */ 170 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 171 172 /** 173 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 174 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 175 * that is reenabling the keyguard. 176 */ 177 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 178 179 /** 180 * Secure setting whether analytics are collected on the keyguard. 181 */ 182 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 183 184 /** The stream type that the lock sounds are tied to. */ 185 private int mUiSoundsStreamType; 186 187 private AlarmManager mAlarmManager; 188 private AudioManager mAudioManager; 189 private StatusBarManager mStatusBarManager; 190 private boolean mSwitchingUser; 191 192 private boolean mSystemReady; 193 private boolean mBootCompleted; 194 private boolean mBootSendUserPresent; 195 196 /** High level access to the power manager for WakeLocks */ 197 private PowerManager mPM; 198 199 /** High level access to the window manager for dismissing keyguard animation */ 200 private IWindowManager mWM; 201 202 203 /** TrustManager for letting it know when we change visibility */ 204 private TrustManager mTrustManager; 205 206 /** SearchManager for determining whether or not search assistant is available */ 207 private SearchManager mSearchManager; 208 209 /** 210 * Used to keep the device awake while to ensure the keyguard finishes opening before 211 * we sleep. 212 */ 213 private PowerManager.WakeLock mShowKeyguardWakeLock; 214 215 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 216 217 // these are protected by synchronized (this) 218 219 /** 220 * External apps (like the phone app) can tell us to disable the keygaurd. 221 */ 222 private boolean mExternallyEnabled = true; 223 224 /** 225 * Remember if an external call to {@link #setKeyguardEnabled} with value 226 * false caused us to hide the keyguard, so that we need to reshow it once 227 * the keygaurd is reenabled with another call with value true. 228 */ 229 private boolean mNeedToReshowWhenReenabled = false; 230 231 // cached value of whether we are showing (need to know this to quickly 232 // answer whether the input should be restricted) 233 private boolean mShowing; 234 235 /** Cached value of #isInputRestricted */ 236 private boolean mInputRestricted; 237 238 // true if the keyguard is hidden by another window 239 private boolean mOccluded = false; 240 241 /** 242 * Helps remember whether the screen has turned on since the last time 243 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 244 */ 245 private int mDelayedShowingSequence; 246 247 /** 248 * If the user has disabled the keyguard, then requests to exit, this is 249 * how we'll ultimately let them know whether it was successful. We use this 250 * var being non-null as an indicator that there is an in progress request. 251 */ 252 private IKeyguardExitCallback mExitSecureCallback; 253 254 // the properties of the keyguard 255 256 private KeyguardUpdateMonitor mUpdateMonitor; 257 258 private boolean mDeviceInteractive; 259 private boolean mGoingToSleep; 260 261 // last known state of the cellular connection 262 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 263 264 /** 265 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 266 * called. 267 * */ 268 private boolean mHiding; 269 270 /** 271 * we send this intent when the keyguard is dismissed. 272 */ 273 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 274 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 275 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 276 277 /** 278 * {@link #setKeyguardEnabled} waits on this condition when it reenables 279 * the keyguard. 280 */ 281 private boolean mWaitingUntilKeyguardVisible = false; 282 private LockPatternUtils mLockPatternUtils; 283 private boolean mKeyguardDonePending = false; 284 private boolean mHideAnimationRun = false; 285 286 private SoundPool mLockSounds; 287 private int mLockSoundId; 288 private int mUnlockSoundId; 289 private int mTrustedSoundId; 290 private int mLockSoundStreamId; 291 292 /** 293 * The animation used for hiding keyguard. This is used to fetch the animation timings if 294 * WindowManager is not providing us with them. 295 */ 296 private Animation mHideAnimation; 297 298 /** 299 * The volume applied to the lock/unlock sounds. 300 */ 301 private float mLockSoundVolume; 302 303 /** 304 * For managing external displays 305 */ 306 private KeyguardDisplayManager mKeyguardDisplayManager; 307 308 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 309 310 /** 311 * When starting going to sleep, we figured out that we need to reset Keyguard state and this 312 * should be committed when finished going to sleep. 313 */ 314 private boolean mPendingReset; 315 316 /** 317 * When starting going to sleep, we figured out that we need to lock Keyguard and this should be 318 * committed when finished going to sleep. 319 */ 320 private boolean mPendingLock; 321 322 private boolean mWakeAndUnlocking; 323 private IKeyguardDrawnCallback mDrawnCallback; 324 325 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 326 327 @Override 328 public void onUserSwitching(int userId) { 329 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 330 // We need to force a reset of the views, since lockNow (called by 331 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 332 synchronized (KeyguardViewMediator.this) { 333 mSwitchingUser = true; 334 resetKeyguardDonePendingLocked(); 335 resetStateLocked(); 336 adjustStatusBarLocked(); 337 } 338 } 339 340 @Override 341 public void onUserSwitchComplete(int userId) { 342 mSwitchingUser = false; 343 if (userId != UserHandle.USER_SYSTEM) { 344 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 345 if (info != null && info.isGuest()) { 346 // If we just switched to a guest, try to dismiss keyguard. 347 dismiss(); 348 } 349 } 350 } 351 352 @Override 353 public void onUserInfoChanged(int userId) { 354 } 355 356 @Override 357 public void onPhoneStateChanged(int phoneState) { 358 synchronized (KeyguardViewMediator.this) { 359 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 360 && !mDeviceInteractive // screen off 361 && mExternallyEnabled) { // not disabled by any app 362 363 // note: this is a way to gracefully reenable the keyguard when the call 364 // ends and the screen is off without always reenabling the keyguard 365 // each time the screen turns off while in call (and having an occasional ugly 366 // flicker while turning back on the screen and disabling the keyguard again). 367 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 368 + "keyguard is showing"); 369 doKeyguardLocked(null); 370 } 371 } 372 } 373 374 @Override 375 public void onClockVisibilityChanged() { 376 adjustStatusBarLocked(); 377 } 378 379 @Override 380 public void onDeviceProvisioned() { 381 sendUserPresentBroadcast(); 382 } 383 384 @Override 385 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 386 387 if (DEBUG_SIM_STATES) { 388 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 389 + ",state=" + simState + ")"); 390 } 391 392 int size = mKeyguardStateCallbacks.size(); 393 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 394 for (int i = size - 1; i >= 0; i--) { 395 try { 396 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 397 } catch (RemoteException e) { 398 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 399 if (e instanceof DeadObjectException) { 400 mKeyguardStateCallbacks.remove(i); 401 } 402 } 403 } 404 405 switch (simState) { 406 case NOT_READY: 407 case ABSENT: 408 // only force lock screen in case of missing sim if user hasn't 409 // gone through setup wizard 410 synchronized (this) { 411 if (shouldWaitForProvisioning()) { 412 if (!mShowing) { 413 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 414 + " we need to show the keyguard since the " 415 + "device isn't provisioned yet."); 416 doKeyguardLocked(null); 417 } else { 418 resetStateLocked(); 419 } 420 } 421 } 422 break; 423 case PIN_REQUIRED: 424 case PUK_REQUIRED: 425 synchronized (this) { 426 if (!mShowing) { 427 if (DEBUG_SIM_STATES) Log.d(TAG, 428 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 429 + "showing; need to show keyguard so user can enter sim pin"); 430 doKeyguardLocked(null); 431 } else { 432 resetStateLocked(); 433 } 434 } 435 break; 436 case PERM_DISABLED: 437 synchronized (this) { 438 if (!mShowing) { 439 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 440 + "keygaurd isn't showing."); 441 doKeyguardLocked(null); 442 } else { 443 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 444 + "show permanently disabled message in lockscreen."); 445 resetStateLocked(); 446 } 447 } 448 break; 449 case READY: 450 synchronized (this) { 451 if (mShowing) { 452 resetStateLocked(); 453 } 454 } 455 break; 456 default: 457 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 458 break; 459 } 460 } 461 }; 462 463 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 464 465 public void userActivity() { 466 KeyguardViewMediator.this.userActivity(); 467 } 468 469 public void keyguardDone(boolean strongAuth) { 470 if (!mKeyguardDonePending) { 471 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 472 } 473 if (strongAuth) { 474 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 475 } 476 } 477 478 public void keyguardDoneDrawing() { 479 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 480 } 481 482 @Override 483 public void setNeedsInput(boolean needsInput) { 484 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 485 } 486 487 @Override 488 public void keyguardDonePending(boolean strongAuth) { 489 mKeyguardDonePending = true; 490 mHideAnimationRun = true; 491 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 492 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 493 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 494 if (strongAuth) { 495 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 496 } 497 } 498 499 @Override 500 public void keyguardGone() { 501 mKeyguardDisplayManager.hide(); 502 } 503 504 @Override 505 public void readyForKeyguardDone() { 506 if (mKeyguardDonePending) { 507 // Somebody has called keyguardDonePending before, which means that we are 508 // authenticated 509 KeyguardViewMediator.this.keyguardDone(true /* authenticated */); 510 } 511 } 512 513 @Override 514 public void resetKeyguard() { 515 resetStateLocked(); 516 } 517 518 @Override 519 public void playTrustedSound() { 520 KeyguardViewMediator.this.playTrustedSound(); 521 } 522 523 @Override 524 public boolean isInputRestricted() { 525 return KeyguardViewMediator.this.isInputRestricted(); 526 } 527 528 @Override 529 public boolean isScreenOn() { 530 return mDeviceInteractive; 531 } 532 533 @Override 534 public int getBouncerPromptReason() { 535 int currentUser = ActivityManager.getCurrentUser(); 536 if ((mUpdateMonitor.getUserTrustIsManaged(currentUser) 537 || mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser)) 538 && !mUpdateMonitor.getStrongAuthTracker().hasUserAuthenticatedSinceBoot()) { 539 return KeyguardSecurityView.PROMPT_REASON_RESTART; 540 } else if (mUpdateMonitor.isUnlockWithFingerprintPossible(currentUser) 541 && mUpdateMonitor.hasFingerprintUnlockTimedOut(currentUser)) { 542 return KeyguardSecurityView.PROMPT_REASON_TIMEOUT; 543 } 544 return KeyguardSecurityView.PROMPT_REASON_NONE; 545 } 546 }; 547 548 public void userActivity() { 549 mPM.userActivity(SystemClock.uptimeMillis(), false); 550 } 551 552 private void setupLocked() { 553 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 554 mWM = WindowManagerGlobal.getWindowManagerService(); 555 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 556 557 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 558 mShowKeyguardWakeLock.setReferenceCounted(false); 559 560 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 561 562 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 563 564 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 565 566 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 567 568 mLockPatternUtils = new LockPatternUtils(mContext); 569 KeyguardUpdateMonitor.setCurrentUser(ActivityManager.getCurrentUser()); 570 571 // Assume keyguard is showing (unless it's disabled) until we know for sure... 572 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled( 573 KeyguardUpdateMonitor.getCurrentUser())); 574 updateInputRestrictedLocked(); 575 mTrustManager.reportKeyguardShowingChanged(); 576 577 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 578 mViewMediatorCallback, mLockPatternUtils); 579 final ContentResolver cr = mContext.getContentResolver(); 580 581 mDeviceInteractive = mPM.isInteractive(); 582 583 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 584 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 585 if (soundPath != null) { 586 mLockSoundId = mLockSounds.load(soundPath, 1); 587 } 588 if (soundPath == null || mLockSoundId == 0) { 589 Log.w(TAG, "failed to load lock sound from " + soundPath); 590 } 591 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 592 if (soundPath != null) { 593 mUnlockSoundId = mLockSounds.load(soundPath, 1); 594 } 595 if (soundPath == null || mUnlockSoundId == 0) { 596 Log.w(TAG, "failed to load unlock sound from " + soundPath); 597 } 598 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 599 if (soundPath != null) { 600 mTrustedSoundId = mLockSounds.load(soundPath, 1); 601 } 602 if (soundPath == null || mTrustedSoundId == 0) { 603 Log.w(TAG, "failed to load trusted sound from " + soundPath); 604 } 605 606 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 607 com.android.internal.R.integer.config_lockSoundVolumeDb); 608 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 609 610 mHideAnimation = AnimationUtils.loadAnimation(mContext, 611 com.android.internal.R.anim.lock_screen_behind_enter); 612 } 613 614 @Override 615 public void start() { 616 synchronized (this) { 617 setupLocked(); 618 } 619 putComponent(KeyguardViewMediator.class, this); 620 } 621 622 /** 623 * Let us know that the system is ready after startup. 624 */ 625 public void onSystemReady() { 626 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 627 synchronized (this) { 628 if (DEBUG) Log.d(TAG, "onSystemReady"); 629 mSystemReady = true; 630 doKeyguardLocked(null); 631 mUpdateMonitor.registerCallback(mUpdateCallback); 632 } 633 // Most services aren't available until the system reaches the ready state, so we 634 // send it here when the device first boots. 635 maybeSendUserPresentBroadcast(); 636 } 637 638 /** 639 * Called to let us know the screen was turned off. 640 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 641 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 642 */ 643 public void onStartedGoingToSleep(int why) { 644 if (DEBUG) Log.d(TAG, "onStartedGoingToSleep(" + why + ")"); 645 synchronized (this) { 646 mDeviceInteractive = false; 647 mGoingToSleep = true; 648 649 // Lock immediately based on setting if secure (user has a pin/pattern/password). 650 // This also "locks" the device when not secure to provide easy access to the 651 // camera while preventing unwanted input. 652 int currentUser = KeyguardUpdateMonitor.getCurrentUser(); 653 final boolean lockImmediately = 654 mLockPatternUtils.getPowerButtonInstantlyLocks(currentUser) 655 || !mLockPatternUtils.isSecure(currentUser); 656 long timeout = getLockTimeout(); 657 658 if (mExitSecureCallback != null) { 659 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 660 try { 661 mExitSecureCallback.onKeyguardExitResult(false); 662 } catch (RemoteException e) { 663 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 664 } 665 mExitSecureCallback = null; 666 if (!mExternallyEnabled) { 667 hideLocked(); 668 } 669 } else if (mShowing) { 670 mPendingReset = true; 671 } else if ((why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT && timeout > 0) 672 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 673 doKeyguardLaterLocked(timeout); 674 } else if (!mLockPatternUtils.isLockScreenDisabled(currentUser)) { 675 mPendingLock = true; 676 } 677 678 if (mPendingLock) { 679 playSounds(true); 680 } 681 } 682 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedGoingToSleep(why); 683 notifyStartedGoingToSleep(); 684 } 685 686 public void onFinishedGoingToSleep(int why) { 687 if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")"); 688 synchronized (this) { 689 mDeviceInteractive = false; 690 mGoingToSleep = false; 691 692 resetKeyguardDonePendingLocked(); 693 mHideAnimationRun = false; 694 695 notifyFinishedGoingToSleep(); 696 697 if (mPendingReset) { 698 resetStateLocked(); 699 mPendingReset = false; 700 } 701 if (mPendingLock) { 702 doKeyguardLocked(null); 703 mPendingLock = false; 704 } 705 } 706 KeyguardUpdateMonitor.getInstance(mContext).dispatchFinishedGoingToSleep(why); 707 } 708 709 private long getLockTimeout() { 710 // if the screen turned off because of timeout or the user hit the power button 711 // and we don't need to lock immediately, set an alarm 712 // to enable it a little bit later (i.e, give the user a chance 713 // to turn the screen back on within a certain window without 714 // having to unlock the screen) 715 final ContentResolver cr = mContext.getContentResolver(); 716 717 // From DisplaySettings 718 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 719 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 720 721 // From SecuritySettings 722 final long lockAfterTimeout = Settings.Secure.getInt(cr, 723 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 724 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 725 726 // From DevicePolicyAdmin 727 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 728 .getMaximumTimeToLock(null, KeyguardUpdateMonitor.getCurrentUser()); 729 730 long timeout; 731 if (policyTimeout > 0) { 732 // policy in effect. Make sure we don't go beyond policy limit. 733 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 734 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 735 } else { 736 timeout = lockAfterTimeout; 737 } 738 return timeout; 739 } 740 741 private void doKeyguardLaterLocked() { 742 long timeout = getLockTimeout(); 743 if (timeout == 0) { 744 doKeyguardLocked(null); 745 } else { 746 doKeyguardLaterLocked(timeout); 747 } 748 } 749 750 private void doKeyguardLaterLocked(long timeout) { 751 // Lock in the future 752 long when = SystemClock.elapsedRealtime() + timeout; 753 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 754 intent.putExtra("seq", mDelayedShowingSequence); 755 PendingIntent sender = PendingIntent.getBroadcast(mContext, 756 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 757 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 758 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 759 + mDelayedShowingSequence); 760 } 761 762 private void cancelDoKeyguardLaterLocked() { 763 mDelayedShowingSequence++; 764 } 765 766 /** 767 * Let's us know when the device is waking up. 768 */ 769 public void onStartedWakingUp() { 770 771 // TODO: Rename all screen off/on references to interactive/sleeping 772 synchronized (this) { 773 mDeviceInteractive = true; 774 cancelDoKeyguardLaterLocked(); 775 if (DEBUG) Log.d(TAG, "onStartedWakingUp, seq = " + mDelayedShowingSequence); 776 notifyStartedWakingUp(); 777 } 778 KeyguardUpdateMonitor.getInstance(mContext).dispatchStartedWakingUp(); 779 maybeSendUserPresentBroadcast(); 780 } 781 782 public void onScreenTurningOn(IKeyguardDrawnCallback callback) { 783 notifyScreenOn(callback); 784 } 785 786 public void onScreenTurnedOn() { 787 notifyScreenTurnedOn(); 788 mUpdateMonitor.dispatchScreenTurnedOn(); 789 } 790 791 public void onScreenTurnedOff() { 792 notifyScreenTurnedOff(); 793 mUpdateMonitor.dispatchScreenTurnedOff(); 794 } 795 796 private void maybeSendUserPresentBroadcast() { 797 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled( 798 KeyguardUpdateMonitor.getCurrentUser())) { 799 // Lock screen is disabled because the user has set the preference to "None". 800 // In this case, send out ACTION_USER_PRESENT here instead of in 801 // handleKeyguardDone() 802 sendUserPresentBroadcast(); 803 } 804 } 805 806 /** 807 * A dream started. We should lock after the usual screen-off lock timeout but only 808 * if there is a secure lock pattern. 809 */ 810 public void onDreamingStarted() { 811 synchronized (this) { 812 if (mDeviceInteractive 813 && mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser())) { 814 doKeyguardLaterLocked(); 815 } 816 } 817 } 818 819 /** 820 * A dream stopped. 821 */ 822 public void onDreamingStopped() { 823 synchronized (this) { 824 if (mDeviceInteractive) { 825 cancelDoKeyguardLaterLocked(); 826 } 827 } 828 } 829 830 /** 831 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 832 * a way for external stuff to override normal keyguard behavior. For instance 833 * the phone app disables the keyguard when it receives incoming calls. 834 */ 835 public void setKeyguardEnabled(boolean enabled) { 836 synchronized (this) { 837 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 838 839 mExternallyEnabled = enabled; 840 841 if (!enabled && mShowing) { 842 if (mExitSecureCallback != null) { 843 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 844 // we're in the process of handling a request to verify the user 845 // can get past the keyguard. ignore extraneous requests to disable / reenable 846 return; 847 } 848 849 // hiding keyguard that is showing, remember to reshow later 850 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 851 + "disabling status bar expansion"); 852 mNeedToReshowWhenReenabled = true; 853 updateInputRestrictedLocked(); 854 hideLocked(); 855 } else if (enabled && mNeedToReshowWhenReenabled) { 856 // reenabled after previously hidden, reshow 857 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 858 + "status bar expansion"); 859 mNeedToReshowWhenReenabled = false; 860 updateInputRestrictedLocked(); 861 862 if (mExitSecureCallback != null) { 863 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 864 try { 865 mExitSecureCallback.onKeyguardExitResult(false); 866 } catch (RemoteException e) { 867 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 868 } 869 mExitSecureCallback = null; 870 resetStateLocked(); 871 } else { 872 showLocked(null); 873 874 // block until we know the keygaurd is done drawing (and post a message 875 // to unblock us after a timeout so we don't risk blocking too long 876 // and causing an ANR). 877 mWaitingUntilKeyguardVisible = true; 878 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 879 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 880 while (mWaitingUntilKeyguardVisible) { 881 try { 882 wait(); 883 } catch (InterruptedException e) { 884 Thread.currentThread().interrupt(); 885 } 886 } 887 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 888 } 889 } 890 } 891 } 892 893 /** 894 * @see android.app.KeyguardManager#exitKeyguardSecurely 895 */ 896 public void verifyUnlock(IKeyguardExitCallback callback) { 897 synchronized (this) { 898 if (DEBUG) Log.d(TAG, "verifyUnlock"); 899 if (shouldWaitForProvisioning()) { 900 // don't allow this api when the device isn't provisioned 901 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 902 try { 903 callback.onKeyguardExitResult(false); 904 } catch (RemoteException e) { 905 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 906 } 907 } else if (mExternallyEnabled) { 908 // this only applies when the user has externally disabled the 909 // keyguard. this is unexpected and means the user is not 910 // using the api properly. 911 Log.w(TAG, "verifyUnlock called when not externally disabled"); 912 try { 913 callback.onKeyguardExitResult(false); 914 } catch (RemoteException e) { 915 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 916 } 917 } else if (mExitSecureCallback != null) { 918 // already in progress with someone else 919 try { 920 callback.onKeyguardExitResult(false); 921 } catch (RemoteException e) { 922 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 923 } 924 } else if (!isSecure()) { 925 926 // Keyguard is not secure, no need to do anything, and we don't need to reshow 927 // the Keyguard after the client releases the Keyguard lock. 928 mExternallyEnabled = true; 929 mNeedToReshowWhenReenabled = false; 930 updateInputRestricted(); 931 try { 932 callback.onKeyguardExitResult(true); 933 } catch (RemoteException e) { 934 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 935 } 936 } else { 937 938 // Since we prevent apps from hiding the Keyguard if we are secure, this should be 939 // a no-op as well. 940 try { 941 callback.onKeyguardExitResult(false); 942 } catch (RemoteException e) { 943 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 944 } 945 } 946 } 947 } 948 949 /** 950 * Is the keyguard currently showing and not being force hidden? 951 */ 952 public boolean isShowingAndNotOccluded() { 953 return mShowing && !mOccluded; 954 } 955 956 /** 957 * Notify us when the keyguard is occluded by another window 958 */ 959 public void setOccluded(boolean isOccluded) { 960 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 961 mHandler.removeMessages(SET_OCCLUDED); 962 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 963 mHandler.sendMessage(msg); 964 } 965 966 /** 967 * Handles SET_OCCLUDED message sent by setOccluded() 968 */ 969 private void handleSetOccluded(boolean isOccluded) { 970 synchronized (KeyguardViewMediator.this) { 971 if (mHiding && isOccluded) { 972 // We're in the process of going away but WindowManager wants to show a 973 // SHOW_WHEN_LOCKED activity instead. 974 startKeyguardExitAnimation(0, 0); 975 } 976 977 if (mOccluded != isOccluded) { 978 mOccluded = isOccluded; 979 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 980 updateActivityLockScreenState(); 981 adjustStatusBarLocked(); 982 } 983 } 984 } 985 986 /** 987 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 988 * This must be safe to call from any thread and with any window manager locks held. 989 */ 990 public void doKeyguardTimeout(Bundle options) { 991 mHandler.removeMessages(KEYGUARD_TIMEOUT); 992 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 993 mHandler.sendMessage(msg); 994 } 995 996 /** 997 * Given the state of the keyguard, is the input restricted? 998 * Input is restricted when the keyguard is showing, or when the keyguard 999 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 1000 */ 1001 public boolean isInputRestricted() { 1002 return mShowing || mNeedToReshowWhenReenabled; 1003 } 1004 1005 private void updateInputRestricted() { 1006 synchronized (this) { 1007 updateInputRestrictedLocked(); 1008 } 1009 } 1010 private void updateInputRestrictedLocked() { 1011 boolean inputRestricted = isInputRestricted(); 1012 if (mInputRestricted != inputRestricted) { 1013 mInputRestricted = inputRestricted; 1014 int size = mKeyguardStateCallbacks.size(); 1015 for (int i = size - 1; i >= 0; i--) { 1016 try { 1017 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 1018 } catch (RemoteException e) { 1019 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 1020 if (e instanceof DeadObjectException) { 1021 mKeyguardStateCallbacks.remove(i); 1022 } 1023 } 1024 } 1025 } 1026 } 1027 1028 /** 1029 * Enable the keyguard if the settings are appropriate. 1030 */ 1031 private void doKeyguardLocked(Bundle options) { 1032 // if another app is disabling us, don't show 1033 if (!mExternallyEnabled) { 1034 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 1035 1036 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 1037 // for an occasional ugly flicker in this situation: 1038 // 1) receive a call with the screen on (no keyguard) or make a call 1039 // 2) screen times out 1040 // 3) user hits key to turn screen back on 1041 // instead, we reenable the keyguard when we know the screen is off and the call 1042 // ends (see the broadcast receiver below) 1043 // TODO: clean this up when we have better support at the window manager level 1044 // for apps that wish to be on top of the keyguard 1045 return; 1046 } 1047 1048 // if the keyguard is already showing, don't bother 1049 if (mStatusBarKeyguardViewManager.isShowing()) { 1050 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 1051 resetStateLocked(); 1052 return; 1053 } 1054 1055 // In split system user mode, we never unlock system user. 1056 if (!UserManager.isSplitSystemUser() 1057 || KeyguardUpdateMonitor.getCurrentUser() != UserHandle.USER_SYSTEM 1058 || !mUpdateMonitor.isDeviceProvisioned()) { 1059 1060 // if the setup wizard hasn't run yet, don't show 1061 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 1062 final boolean absent = SubscriptionManager.isValidSubscriptionId( 1063 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 1064 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 1065 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 1066 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 1067 || ((absent || disabled) && requireSim); 1068 1069 if (!lockedOrMissing && shouldWaitForProvisioning()) { 1070 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 1071 + " and the sim is not locked or missing"); 1072 return; 1073 } 1074 1075 if (mLockPatternUtils.isLockScreenDisabled(KeyguardUpdateMonitor.getCurrentUser()) 1076 && !lockedOrMissing) { 1077 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 1078 return; 1079 } 1080 1081 if (mLockPatternUtils.checkVoldPassword(KeyguardUpdateMonitor.getCurrentUser())) { 1082 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 1083 // Without this, settings is not enabled until the lock screen first appears 1084 setShowingLocked(false); 1085 hideLocked(); 1086 mUpdateMonitor.reportSuccessfulStrongAuthUnlockAttempt(); 1087 return; 1088 } 1089 } 1090 1091 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 1092 showLocked(options); 1093 } 1094 1095 private boolean shouldWaitForProvisioning() { 1096 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 1097 } 1098 1099 /** 1100 * Dismiss the keyguard through the security layers. 1101 */ 1102 public void handleDismiss() { 1103 if (mShowing && !mOccluded) { 1104 mStatusBarKeyguardViewManager.dismiss(); 1105 } 1106 } 1107 1108 public void dismiss() { 1109 mHandler.sendEmptyMessage(DISMISS); 1110 } 1111 1112 /** 1113 * Send message to keyguard telling it to reset its state. 1114 * @see #handleReset 1115 */ 1116 private void resetStateLocked() { 1117 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1118 Message msg = mHandler.obtainMessage(RESET); 1119 mHandler.sendMessage(msg); 1120 } 1121 1122 /** 1123 * Send message to keyguard telling it to verify unlock 1124 * @see #handleVerifyUnlock() 1125 */ 1126 private void verifyUnlockLocked() { 1127 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1128 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1129 } 1130 1131 private void notifyStartedGoingToSleep() { 1132 if (DEBUG) Log.d(TAG, "notifyStartedGoingToSleep"); 1133 mHandler.sendEmptyMessage(NOTIFY_STARTED_GOING_TO_SLEEP); 1134 } 1135 1136 private void notifyFinishedGoingToSleep() { 1137 if (DEBUG) Log.d(TAG, "notifyFinishedGoingToSleep"); 1138 mHandler.sendEmptyMessage(NOTIFY_FINISHED_GOING_TO_SLEEP); 1139 } 1140 1141 private void notifyStartedWakingUp() { 1142 if (DEBUG) Log.d(TAG, "notifyStartedWakingUp"); 1143 mHandler.sendEmptyMessage(NOTIFY_STARTED_WAKING_UP); 1144 } 1145 1146 private void notifyScreenOn(IKeyguardDrawnCallback callback) { 1147 if (DEBUG) Log.d(TAG, "notifyScreenOn"); 1148 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNING_ON, callback); 1149 mHandler.sendMessage(msg); 1150 } 1151 1152 private void notifyScreenTurnedOn() { 1153 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOn"); 1154 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_ON); 1155 mHandler.sendMessage(msg); 1156 } 1157 1158 private void notifyScreenTurnedOff() { 1159 if (DEBUG) Log.d(TAG, "notifyScreenTurnedOff"); 1160 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_TURNED_OFF); 1161 mHandler.sendMessage(msg); 1162 } 1163 1164 /** 1165 * Send message to keyguard telling it to show itself 1166 * @see #handleShow 1167 */ 1168 private void showLocked(Bundle options) { 1169 if (DEBUG) Log.d(TAG, "showLocked"); 1170 // ensure we stay awake until we are finished displaying the keyguard 1171 mShowKeyguardWakeLock.acquire(); 1172 Message msg = mHandler.obtainMessage(SHOW, options); 1173 mHandler.sendMessage(msg); 1174 } 1175 1176 /** 1177 * Send message to keyguard telling it to hide itself 1178 * @see #handleHide() 1179 */ 1180 private void hideLocked() { 1181 if (DEBUG) Log.d(TAG, "hideLocked"); 1182 Message msg = mHandler.obtainMessage(HIDE); 1183 mHandler.sendMessage(msg); 1184 } 1185 1186 public boolean isSecure() { 1187 return mLockPatternUtils.isSecure(KeyguardUpdateMonitor.getCurrentUser()) 1188 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1189 } 1190 1191 /** 1192 * Update the newUserId. Call while holding WindowManagerService lock. 1193 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1194 * 1195 * @param newUserId The id of the incoming user. 1196 */ 1197 public void setCurrentUser(int newUserId) { 1198 KeyguardUpdateMonitor.setCurrentUser(newUserId); 1199 } 1200 1201 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1202 @Override 1203 public void onReceive(Context context, Intent intent) { 1204 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1205 final int sequence = intent.getIntExtra("seq", 0); 1206 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1207 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1208 synchronized (KeyguardViewMediator.this) { 1209 if (mDelayedShowingSequence == sequence) { 1210 doKeyguardLocked(null); 1211 } 1212 } 1213 } 1214 } 1215 }; 1216 1217 public void keyguardDone(boolean authenticated) { 1218 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated +")"); 1219 EventLog.writeEvent(70000, 2); 1220 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0); 1221 mHandler.sendMessage(msg); 1222 } 1223 1224 /** 1225 * This handler will be associated with the policy thread, which will also 1226 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1227 * this class, can be called by other threads, any action that directly 1228 * interacts with the keyguard ui should be posted to this handler, rather 1229 * than called directly. 1230 */ 1231 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1232 @Override 1233 public void handleMessage(Message msg) { 1234 switch (msg.what) { 1235 case SHOW: 1236 handleShow((Bundle) msg.obj); 1237 break; 1238 case HIDE: 1239 handleHide(); 1240 break; 1241 case RESET: 1242 handleReset(); 1243 break; 1244 case VERIFY_UNLOCK: 1245 handleVerifyUnlock(); 1246 break; 1247 case NOTIFY_STARTED_GOING_TO_SLEEP: 1248 handleNotifyStartedGoingToSleep(); 1249 break; 1250 case NOTIFY_FINISHED_GOING_TO_SLEEP: 1251 handleNotifyFinishedGoingToSleep(); 1252 break; 1253 case NOTIFY_SCREEN_TURNING_ON: 1254 handleNotifyScreenTurningOn((IKeyguardDrawnCallback) msg.obj); 1255 break; 1256 case NOTIFY_SCREEN_TURNED_ON: 1257 handleNotifyScreenTurnedOn(); 1258 break; 1259 case NOTIFY_SCREEN_TURNED_OFF: 1260 handleNotifyScreenTurnedOff(); 1261 break; 1262 case NOTIFY_STARTED_WAKING_UP: 1263 handleNotifyStartedWakingUp(); 1264 break; 1265 case KEYGUARD_DONE: 1266 handleKeyguardDone(msg.arg1 != 0); 1267 break; 1268 case KEYGUARD_DONE_DRAWING: 1269 handleKeyguardDoneDrawing(); 1270 break; 1271 case SET_OCCLUDED: 1272 handleSetOccluded(msg.arg1 != 0); 1273 break; 1274 case KEYGUARD_TIMEOUT: 1275 synchronized (KeyguardViewMediator.this) { 1276 doKeyguardLocked((Bundle) msg.obj); 1277 } 1278 break; 1279 case DISMISS: 1280 handleDismiss(); 1281 break; 1282 case START_KEYGUARD_EXIT_ANIM: 1283 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1284 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1285 FalsingManager.getInstance(mContext).onSucccessfulUnlock(); 1286 break; 1287 case KEYGUARD_DONE_PENDING_TIMEOUT: 1288 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1289 // Fall through. 1290 case ON_ACTIVITY_DRAWN: 1291 handleOnActivityDrawn(); 1292 break; 1293 } 1294 } 1295 }; 1296 1297 /** 1298 * @see #keyguardDone 1299 * @see #KEYGUARD_DONE 1300 */ 1301 private void handleKeyguardDone(boolean authenticated) { 1302 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1303 synchronized (this) { 1304 resetKeyguardDonePendingLocked(); 1305 } 1306 1307 if (authenticated) { 1308 mUpdateMonitor.clearFailedUnlockAttempts(); 1309 } 1310 mUpdateMonitor.clearFingerprintRecognized(); 1311 1312 if (mGoingToSleep) { 1313 Log.i(TAG, "Device is going to sleep, aborting keyguardDone"); 1314 return; 1315 } 1316 if (mExitSecureCallback != null) { 1317 try { 1318 mExitSecureCallback.onKeyguardExitResult(authenticated); 1319 } catch (RemoteException e) { 1320 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1321 } 1322 1323 mExitSecureCallback = null; 1324 1325 if (authenticated) { 1326 // after succesfully exiting securely, no need to reshow 1327 // the keyguard when they've released the lock 1328 mExternallyEnabled = true; 1329 mNeedToReshowWhenReenabled = false; 1330 updateInputRestricted(); 1331 } 1332 } 1333 1334 handleHide(); 1335 } 1336 1337 private void sendUserPresentBroadcast() { 1338 synchronized (this) { 1339 if (mBootCompleted) { 1340 final UserHandle currentUser = new UserHandle(KeyguardUpdateMonitor.getCurrentUser()); 1341 final UserManager um = (UserManager) mContext.getSystemService( 1342 Context.USER_SERVICE); 1343 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1344 for (UserInfo ui : userHandles) { 1345 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1346 } 1347 } else { 1348 mBootSendUserPresent = true; 1349 } 1350 } 1351 } 1352 1353 /** 1354 * @see #keyguardDone 1355 * @see #KEYGUARD_DONE_DRAWING 1356 */ 1357 private void handleKeyguardDoneDrawing() { 1358 synchronized(this) { 1359 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1360 if (mWaitingUntilKeyguardVisible) { 1361 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1362 mWaitingUntilKeyguardVisible = false; 1363 notifyAll(); 1364 1365 // there will usually be two of these sent, one as a timeout, and one 1366 // as a result of the callback, so remove any remaining messages from 1367 // the queue 1368 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1369 } 1370 } 1371 } 1372 1373 private void playSounds(boolean locked) { 1374 playSound(locked ? mLockSoundId : mUnlockSoundId); 1375 } 1376 1377 private void playSound(int soundId) { 1378 if (soundId == 0) return; 1379 final ContentResolver cr = mContext.getContentResolver(); 1380 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1381 1382 mLockSounds.stop(mLockSoundStreamId); 1383 // Init mAudioManager 1384 if (mAudioManager == null) { 1385 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1386 if (mAudioManager == null) return; 1387 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1388 } 1389 // If the stream is muted, don't play the sound 1390 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1391 1392 mLockSoundStreamId = mLockSounds.play(soundId, 1393 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1394 } 1395 } 1396 1397 private void playTrustedSound() { 1398 playSound(mTrustedSoundId); 1399 } 1400 1401 private void updateActivityLockScreenState() { 1402 try { 1403 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1404 } catch (RemoteException e) { 1405 } 1406 } 1407 1408 /** 1409 * Handle message sent by {@link #showLocked}. 1410 * @see #SHOW 1411 */ 1412 private void handleShow(Bundle options) { 1413 synchronized (KeyguardViewMediator.this) { 1414 if (!mSystemReady) { 1415 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1416 return; 1417 } else { 1418 if (DEBUG) Log.d(TAG, "handleShow"); 1419 } 1420 1421 setShowingLocked(true); 1422 mStatusBarKeyguardViewManager.show(options); 1423 mHiding = false; 1424 mWakeAndUnlocking = false; 1425 resetKeyguardDonePendingLocked(); 1426 mHideAnimationRun = false; 1427 updateActivityLockScreenState(); 1428 adjustStatusBarLocked(); 1429 userActivity(); 1430 1431 mShowKeyguardWakeLock.release(); 1432 } 1433 mKeyguardDisplayManager.show(); 1434 } 1435 1436 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1437 @Override 1438 public void run() { 1439 try { 1440 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1441 1442 // Don't actually hide the Keyguard at the moment, wait for window 1443 // manager until it tells us it's safe to do so with 1444 // startKeyguardExitAnimation. 1445 ActivityManagerNative.getDefault().keyguardGoingAway( 1446 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock() 1447 || mWakeAndUnlocking, 1448 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1449 } catch (RemoteException e) { 1450 Log.e(TAG, "Error while calling WindowManager", e); 1451 } 1452 } 1453 }; 1454 1455 /** 1456 * Handle message sent by {@link #hideLocked()} 1457 * @see #HIDE 1458 */ 1459 private void handleHide() { 1460 synchronized (KeyguardViewMediator.this) { 1461 if (DEBUG) Log.d(TAG, "handleHide"); 1462 1463 if (UserManager.isSplitSystemUser() 1464 && KeyguardUpdateMonitor.getCurrentUser() == UserHandle.USER_SYSTEM) { 1465 // In split system user mode, we never unlock system user. The end user has to 1466 // switch to another user. 1467 // TODO: We should stop it early by disabling the swipe up flow. Right now swipe up 1468 // still completes and makes the screen blank. 1469 if (DEBUG) Log.d(TAG, "Split system user, quit unlocking."); 1470 return; 1471 } 1472 mHiding = true; 1473 if (mShowing && !mOccluded) { 1474 if (!mHideAnimationRun) { 1475 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1476 } else { 1477 mKeyguardGoingAwayRunnable.run(); 1478 } 1479 } else { 1480 1481 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1482 // manager won't start the exit animation. 1483 handleStartKeyguardExitAnimation( 1484 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1485 mHideAnimation.getDuration()); 1486 } 1487 } 1488 } 1489 1490 private void handleOnActivityDrawn() { 1491 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1492 if (mKeyguardDonePending) { 1493 mStatusBarKeyguardViewManager.onActivityDrawn(); 1494 } 1495 } 1496 1497 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1498 synchronized (KeyguardViewMediator.this) { 1499 1500 if (!mHiding) { 1501 return; 1502 } 1503 mHiding = false; 1504 1505 if (mWakeAndUnlocking && mDrawnCallback != null) { 1506 1507 // Hack level over 9000: To speed up wake-and-unlock sequence, force it to report 1508 // the next draw from here so we don't have to wait for window manager to signal 1509 // this to our ViewRootImpl. 1510 mStatusBarKeyguardViewManager.getViewRootImpl().setReportNextDraw(); 1511 notifyDrawn(mDrawnCallback); 1512 } 1513 1514 // only play "unlock" noises if not on a call (since the incall UI 1515 // disables the keyguard) 1516 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1517 playSounds(false); 1518 } 1519 1520 setShowingLocked(false); 1521 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1522 resetKeyguardDonePendingLocked(); 1523 mHideAnimationRun = false; 1524 updateActivityLockScreenState(); 1525 adjustStatusBarLocked(); 1526 sendUserPresentBroadcast(); 1527 } 1528 } 1529 1530 private void adjustStatusBarLocked() { 1531 if (mStatusBarManager == null) { 1532 mStatusBarManager = (StatusBarManager) 1533 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1534 } 1535 if (mStatusBarManager == null) { 1536 Log.w(TAG, "Could not get status bar manager"); 1537 } else { 1538 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1539 // windows that appear on top, ever 1540 int flags = StatusBarManager.DISABLE_NONE; 1541 if (mShowing) { 1542 // Permanently disable components not available when keyguard is enabled 1543 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1544 // done in KeyguardHostView. 1545 flags |= StatusBarManager.DISABLE_RECENT; 1546 flags |= StatusBarManager.DISABLE_SEARCH; 1547 } 1548 if (isShowingAndNotOccluded()) { 1549 flags |= StatusBarManager.DISABLE_HOME; 1550 } 1551 1552 if (DEBUG) { 1553 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1554 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1555 } 1556 1557 if (!(mContext instanceof Activity)) { 1558 mStatusBarManager.disable(flags); 1559 } 1560 } 1561 } 1562 1563 /** 1564 * Handle message sent by {@link #resetStateLocked} 1565 * @see #RESET 1566 */ 1567 private void handleReset() { 1568 synchronized (KeyguardViewMediator.this) { 1569 if (DEBUG) Log.d(TAG, "handleReset"); 1570 mStatusBarKeyguardViewManager.reset(); 1571 } 1572 } 1573 1574 /** 1575 * Handle message sent by {@link #verifyUnlock} 1576 * @see #VERIFY_UNLOCK 1577 */ 1578 private void handleVerifyUnlock() { 1579 synchronized (KeyguardViewMediator.this) { 1580 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1581 setShowingLocked(true); 1582 mStatusBarKeyguardViewManager.verifyUnlock(); 1583 updateActivityLockScreenState(); 1584 } 1585 } 1586 1587 private void handleNotifyStartedGoingToSleep() { 1588 synchronized (KeyguardViewMediator.this) { 1589 if (DEBUG) Log.d(TAG, "handleNotifyStartedGoingToSleep"); 1590 mStatusBarKeyguardViewManager.onStartedGoingToSleep(); 1591 } 1592 } 1593 1594 /** 1595 * Handle message sent by {@link #notifyFinishedGoingToSleep()} 1596 * @see #NOTIFY_FINISHED_GOING_TO_SLEEP 1597 */ 1598 private void handleNotifyFinishedGoingToSleep() { 1599 synchronized (KeyguardViewMediator.this) { 1600 if (DEBUG) Log.d(TAG, "handleNotifyFinishedGoingToSleep"); 1601 mStatusBarKeyguardViewManager.onFinishedGoingToSleep(); 1602 } 1603 } 1604 1605 private void handleNotifyStartedWakingUp() { 1606 synchronized (KeyguardViewMediator.this) { 1607 if (DEBUG) Log.d(TAG, "handleNotifyWakingUp"); 1608 mStatusBarKeyguardViewManager.onStartedWakingUp(); 1609 } 1610 } 1611 1612 private void handleNotifyScreenTurningOn(IKeyguardDrawnCallback callback) { 1613 synchronized (KeyguardViewMediator.this) { 1614 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurningOn"); 1615 mStatusBarKeyguardViewManager.onScreenTurningOn(); 1616 if (callback != null) { 1617 if (mWakeAndUnlocking) { 1618 mDrawnCallback = callback; 1619 } else { 1620 notifyDrawn(callback); 1621 } 1622 } 1623 } 1624 } 1625 1626 private void handleNotifyScreenTurnedOn() { 1627 synchronized (this) { 1628 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOn"); 1629 mStatusBarKeyguardViewManager.onScreenTurnedOn(); 1630 } 1631 } 1632 1633 private void handleNotifyScreenTurnedOff() { 1634 synchronized (this) { 1635 if (DEBUG) Log.d(TAG, "handleNotifyScreenTurnedOff"); 1636 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1637 mWakeAndUnlocking = false; 1638 } 1639 } 1640 1641 private void notifyDrawn(final IKeyguardDrawnCallback callback) { 1642 try { 1643 callback.onDrawn(); 1644 } catch (RemoteException e) { 1645 Slog.w(TAG, "Exception calling onDrawn():", e); 1646 } 1647 } 1648 1649 private void resetKeyguardDonePendingLocked() { 1650 mKeyguardDonePending = false; 1651 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1652 } 1653 1654 public void onBootCompleted() { 1655 mUpdateMonitor.dispatchBootCompleted(); 1656 synchronized (this) { 1657 mBootCompleted = true; 1658 if (mBootSendUserPresent) { 1659 sendUserPresentBroadcast(); 1660 } 1661 } 1662 } 1663 1664 public void onWakeAndUnlocking() { 1665 mWakeAndUnlocking = true; 1666 keyguardDone(true /* authenticated */); 1667 } 1668 1669 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1670 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1671 ScrimController scrimController, 1672 FingerprintUnlockController fingerprintUnlockController) { 1673 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1674 statusBarWindowManager, scrimController, fingerprintUnlockController); 1675 return mStatusBarKeyguardViewManager; 1676 } 1677 1678 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1679 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1680 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1681 mHandler.sendMessage(msg); 1682 } 1683 1684 public void onActivityDrawn() { 1685 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1686 } 1687 public ViewMediatorCallback getViewMediatorCallback() { 1688 return mViewMediatorCallback; 1689 } 1690 1691 @Override 1692 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1693 pw.print(" mSystemReady: "); pw.println(mSystemReady); 1694 pw.print(" mBootCompleted: "); pw.println(mBootCompleted); 1695 pw.print(" mBootSendUserPresent: "); pw.println(mBootSendUserPresent); 1696 pw.print(" mExternallyEnabled: "); pw.println(mExternallyEnabled); 1697 pw.print(" mNeedToReshowWhenReenabled: "); pw.println(mNeedToReshowWhenReenabled); 1698 pw.print(" mShowing: "); pw.println(mShowing); 1699 pw.print(" mInputRestricted: "); pw.println(mInputRestricted); 1700 pw.print(" mOccluded: "); pw.println(mOccluded); 1701 pw.print(" mDelayedShowingSequence: "); pw.println(mDelayedShowingSequence); 1702 pw.print(" mExitSecureCallback: "); pw.println(mExitSecureCallback); 1703 pw.print(" mDeviceInteractive: "); pw.println(mDeviceInteractive); 1704 pw.print(" mGoingToSleep: "); pw.println(mGoingToSleep); 1705 pw.print(" mHiding: "); pw.println(mHiding); 1706 pw.print(" mWaitingUntilKeyguardVisible: "); pw.println(mWaitingUntilKeyguardVisible); 1707 pw.print(" mKeyguardDonePending: "); pw.println(mKeyguardDonePending); 1708 pw.print(" mHideAnimationRun: "); pw.println(mHideAnimationRun); 1709 pw.print(" mPendingReset: "); pw.println(mPendingReset); 1710 pw.print(" mPendingLock: "); pw.println(mPendingLock); 1711 pw.print(" mWakeAndUnlocking: "); pw.println(mWakeAndUnlocking); 1712 pw.print(" mDrawnCallback: "); pw.println(mDrawnCallback); 1713 } 1714 1715 private static class StartKeyguardExitAnimParams { 1716 1717 long startTime; 1718 long fadeoutDuration; 1719 1720 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1721 this.startTime = startTime; 1722 this.fadeoutDuration = fadeoutDuration; 1723 } 1724 } 1725 1726 private void setShowingLocked(boolean showing) { 1727 if (showing != mShowing) { 1728 mShowing = showing; 1729 int size = mKeyguardStateCallbacks.size(); 1730 for (int i = size - 1; i >= 0; i--) { 1731 try { 1732 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1733 } catch (RemoteException e) { 1734 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1735 if (e instanceof DeadObjectException) { 1736 mKeyguardStateCallbacks.remove(i); 1737 } 1738 } 1739 } 1740 updateInputRestrictedLocked(); 1741 mTrustManager.reportKeyguardShowingChanged(); 1742 } 1743 } 1744 1745 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1746 synchronized (this) { 1747 mKeyguardStateCallbacks.add(callback); 1748 try { 1749 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1750 callback.onShowingStateChanged(mShowing); 1751 callback.onInputRestrictedStateChanged(mInputRestricted); 1752 } catch (RemoteException e) { 1753 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged or onInputRestrictedStateChanged", e); 1754 } 1755 } 1756 } 1757} 1758