KeyguardViewMediator.java revision 94e15a59b757678949cccb5d783bee1638e84697
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.Handler; 37import android.os.Looper; 38import android.os.Message; 39import android.os.PowerManager; 40import android.os.RemoteException; 41import android.os.SystemClock; 42import android.os.SystemProperties; 43import android.os.UserHandle; 44import android.os.UserManager; 45import android.provider.Settings; 46import android.telephony.SubscriptionManager; 47import android.telephony.TelephonyManager; 48import android.util.EventLog; 49import android.util.Log; 50import android.util.Slog; 51import android.view.IWindowManager; 52import android.view.ViewGroup; 53import android.view.WindowManagerGlobal; 54import android.view.WindowManagerPolicy; 55import android.view.animation.Animation; 56import android.view.animation.AnimationUtils; 57import com.android.internal.policy.IKeyguardExitCallback; 58import com.android.internal.policy.IKeyguardShowCallback; 59import com.android.internal.policy.IKeyguardStateCallback; 60import com.android.internal.telephony.IccCardConstants; 61import com.android.internal.widget.LockPatternUtils; 62import com.android.keyguard.KeyguardConstants; 63import com.android.keyguard.KeyguardDisplayManager; 64import com.android.keyguard.KeyguardUpdateMonitor; 65import com.android.keyguard.KeyguardUpdateMonitorCallback; 66import com.android.keyguard.ViewMediatorCallback; 67import com.android.systemui.SystemUI; 68import com.android.systemui.statusbar.phone.PhoneStatusBar; 69import com.android.systemui.statusbar.phone.ScrimController; 70import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; 71import com.android.systemui.statusbar.phone.StatusBarWindowManager; 72 73import java.util.ArrayList; 74import java.util.List; 75 76import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; 77 78 79/** 80 * Mediates requests related to the keyguard. This includes queries about the 81 * state of the keyguard, power management events that effect whether the keyguard 82 * should be shown or reset, callbacks to the phone window manager to notify 83 * it of when the keyguard is showing, and events from the keyguard view itself 84 * stating that the keyguard was succesfully unlocked. 85 * 86 * Note that the keyguard view is shown when the screen is off (as appropriate) 87 * so that once the screen comes on, it will be ready immediately. 88 * 89 * Example queries about the keyguard: 90 * - is {movement, key} one that should wake the keygaurd? 91 * - is the keyguard showing? 92 * - are input events restricted due to the state of the keyguard? 93 * 94 * Callbacks to the phone window manager: 95 * - the keyguard is showing 96 * 97 * Example external events that translate to keyguard view changes: 98 * - screen turned off -> reset the keyguard, and show it so it will be ready 99 * next time the screen turns on 100 * - keyboard is slid open -> if the keyguard is not secure, hide it 101 * 102 * Events from the keyguard view: 103 * - user succesfully unlocked keyguard -> hide keyguard view, and no longer 104 * restrict input events. 105 * 106 * Note: in addition to normal power managment events that effect the state of 107 * whether the keyguard should be showing, external apps and services may request 108 * that the keyguard be disabled via {@link #setKeyguardEnabled(boolean)}. When 109 * false, this will override all other conditions for turning on the keyguard. 110 * 111 * Threading and synchronization: 112 * This class is created by the initialization routine of the {@link android.view.WindowManagerPolicy}, 113 * and runs on its thread. The keyguard UI is created from that thread in the 114 * constructor of this class. The apis may be called from other threads, including the 115 * {@link com.android.server.input.InputManagerService}'s and {@link android.view.WindowManager}'s. 116 * Therefore, methods on this class are synchronized, and any action that is pointed 117 * directly to the keyguard UI is posted to a {@link android.os.Handler} to ensure it is taken on the UI 118 * thread of the keyguard. 119 */ 120public class KeyguardViewMediator extends SystemUI { 121 private static final int KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT = 30000; 122 private static final long KEYGUARD_DONE_PENDING_TIMEOUT_MS = 3000; 123 124 private static final boolean DEBUG = KeyguardConstants.DEBUG; 125 private static final boolean DEBUG_SIM_STATES = KeyguardConstants.DEBUG_SIM_STATES; 126 private final static boolean DBG_WAKE = false; 127 128 private final static String TAG = "KeyguardViewMediator"; 129 130 private static final String DELAYED_KEYGUARD_ACTION = 131 "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD"; 132 133 // used for handler messages 134 private static final int SHOW = 2; 135 private static final int HIDE = 3; 136 private static final int RESET = 4; 137 private static final int VERIFY_UNLOCK = 5; 138 private static final int NOTIFY_SCREEN_OFF = 6; 139 private static final int NOTIFY_SCREEN_ON = 7; 140 private static final int KEYGUARD_DONE = 9; 141 private static final int KEYGUARD_DONE_DRAWING = 10; 142 private static final int KEYGUARD_DONE_AUTHENTICATING = 11; 143 private static final int SET_OCCLUDED = 12; 144 private static final int KEYGUARD_TIMEOUT = 13; 145 private static final int DISMISS = 17; 146 private static final int START_KEYGUARD_EXIT_ANIM = 18; 147 private static final int ON_ACTIVITY_DRAWN = 19; 148 private static final int KEYGUARD_DONE_PENDING_TIMEOUT = 20; 149 150 /** 151 * The default amount of time we stay awake (used for all key input) 152 */ 153 public static final int AWAKE_INTERVAL_DEFAULT_MS = 10000; 154 155 /** 156 * How long to wait after the screen turns off due to timeout before 157 * turning on the keyguard (i.e, the user has this much time to turn 158 * the screen back on without having to face the keyguard). 159 */ 160 private static final int KEYGUARD_LOCK_AFTER_DELAY_DEFAULT = 5000; 161 162 /** 163 * How long we'll wait for the {@link ViewMediatorCallback#keyguardDoneDrawing()} 164 * callback before unblocking a call to {@link #setKeyguardEnabled(boolean)} 165 * that is reenabling the keyguard. 166 */ 167 private static final int KEYGUARD_DONE_DRAWING_TIMEOUT_MS = 2000; 168 169 /** 170 * Secure setting whether analytics are collected on the keyguard. 171 */ 172 private static final String KEYGUARD_ANALYTICS_SETTING = "keyguard_analytics"; 173 174 /** The stream type that the lock sounds are tied to. */ 175 private int mUiSoundsStreamType; 176 177 private AlarmManager mAlarmManager; 178 private AudioManager mAudioManager; 179 private StatusBarManager mStatusBarManager; 180 private boolean mSwitchingUser; 181 182 private boolean mSystemReady; 183 private boolean mBootCompleted; 184 private boolean mBootSendUserPresent; 185 186 // Whether the next call to playSounds() should be skipped. Defaults to 187 // true because the first lock (on boot) should be silent. 188 private boolean mSuppressNextLockSound = true; 189 190 191 /** High level access to the power manager for WakeLocks */ 192 private PowerManager mPM; 193 194 /** High level access to the window manager for dismissing keyguard animation */ 195 private IWindowManager mWM; 196 197 198 /** TrustManager for letting it know when we change visibility */ 199 private TrustManager mTrustManager; 200 201 /** SearchManager for determining whether or not search assistant is available */ 202 private SearchManager mSearchManager; 203 204 /** 205 * Used to keep the device awake while to ensure the keyguard finishes opening before 206 * we sleep. 207 */ 208 private PowerManager.WakeLock mShowKeyguardWakeLock; 209 210 private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; 211 212 // these are protected by synchronized (this) 213 214 /** 215 * External apps (like the phone app) can tell us to disable the keygaurd. 216 */ 217 private boolean mExternallyEnabled = true; 218 219 /** 220 * Remember if an external call to {@link #setKeyguardEnabled} with value 221 * false caused us to hide the keyguard, so that we need to reshow it once 222 * the keygaurd is reenabled with another call with value true. 223 */ 224 private boolean mNeedToReshowWhenReenabled = false; 225 226 // cached value of whether we are showing (need to know this to quickly 227 // answer whether the input should be restricted) 228 private boolean mShowing; 229 230 /** Cached value of #isInputRestricted */ 231 private boolean mInputRestricted; 232 233 // true if the keyguard is hidden by another window 234 private boolean mOccluded = false; 235 236 /** 237 * Helps remember whether the screen has turned on since the last time 238 * it turned off due to timeout. see {@link #onScreenTurnedOff(int)} 239 */ 240 private int mDelayedShowingSequence; 241 242 /** 243 * If the user has disabled the keyguard, then requests to exit, this is 244 * how we'll ultimately let them know whether it was successful. We use this 245 * var being non-null as an indicator that there is an in progress request. 246 */ 247 private IKeyguardExitCallback mExitSecureCallback; 248 249 // the properties of the keyguard 250 251 private KeyguardUpdateMonitor mUpdateMonitor; 252 253 private boolean mScreenOn; 254 255 // last known state of the cellular connection 256 private String mPhoneState = TelephonyManager.EXTRA_STATE_IDLE; 257 258 /** 259 * Whether a hide is pending an we are just waiting for #startKeyguardExitAnimation to be 260 * called. 261 * */ 262 private boolean mHiding; 263 264 /** 265 * we send this intent when the keyguard is dismissed. 266 */ 267 private static final Intent USER_PRESENT_INTENT = new Intent(Intent.ACTION_USER_PRESENT) 268 .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING 269 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 270 271 /** 272 * {@link #setKeyguardEnabled} waits on this condition when it reenables 273 * the keyguard. 274 */ 275 private boolean mWaitingUntilKeyguardVisible = false; 276 private LockPatternUtils mLockPatternUtils; 277 private boolean mKeyguardDonePending = false; 278 private boolean mHideAnimationRun = false; 279 280 private SoundPool mLockSounds; 281 private int mLockSoundId; 282 private int mUnlockSoundId; 283 private int mTrustedSoundId; 284 private int mLockSoundStreamId; 285 286 /** 287 * The animation used for hiding keyguard. This is used to fetch the animation timings if 288 * WindowManager is not providing us with them. 289 */ 290 private Animation mHideAnimation; 291 292 /** 293 * The volume applied to the lock/unlock sounds. 294 */ 295 private float mLockSoundVolume; 296 297 /** 298 * For managing external displays 299 */ 300 private KeyguardDisplayManager mKeyguardDisplayManager; 301 302 private final ArrayList<IKeyguardStateCallback> mKeyguardStateCallbacks = new ArrayList<>(); 303 304 KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() { 305 306 @Override 307 public void onUserSwitching(int userId) { 308 // Note that the mLockPatternUtils user has already been updated from setCurrentUser. 309 // We need to force a reset of the views, since lockNow (called by 310 // ActivityManagerService) will not reconstruct the keyguard if it is already showing. 311 synchronized (KeyguardViewMediator.this) { 312 mSwitchingUser = true; 313 resetKeyguardDonePendingLocked(); 314 resetStateLocked(); 315 adjustStatusBarLocked(); 316 } 317 } 318 319 @Override 320 public void onUserSwitchComplete(int userId) { 321 mSwitchingUser = false; 322 if (userId != UserHandle.USER_OWNER) { 323 UserInfo info = UserManager.get(mContext).getUserInfo(userId); 324 if (info != null && info.isGuest()) { 325 // If we just switched to a guest, try to dismiss keyguard. 326 dismiss(); 327 } 328 } 329 } 330 331 @Override 332 public void onUserInfoChanged(int userId) { 333 } 334 335 @Override 336 public void onPhoneStateChanged(int phoneState) { 337 synchronized (KeyguardViewMediator.this) { 338 if (TelephonyManager.CALL_STATE_IDLE == phoneState // call ending 339 && !mScreenOn // screen off 340 && mExternallyEnabled) { // not disabled by any app 341 342 // note: this is a way to gracefully reenable the keyguard when the call 343 // ends and the screen is off without always reenabling the keyguard 344 // each time the screen turns off while in call (and having an occasional ugly 345 // flicker while turning back on the screen and disabling the keyguard again). 346 if (DEBUG) Log.d(TAG, "screen is off and call ended, let's make sure the " 347 + "keyguard is showing"); 348 doKeyguardLocked(null); 349 } 350 } 351 } 352 353 @Override 354 public void onClockVisibilityChanged() { 355 adjustStatusBarLocked(); 356 } 357 358 @Override 359 public void onDeviceProvisioned() { 360 sendUserPresentBroadcast(); 361 updateInputRestricted(); 362 } 363 364 @Override 365 public void onSimStateChanged(int subId, int slotId, IccCardConstants.State simState) { 366 367 if (DEBUG_SIM_STATES) { 368 Log.d(TAG, "onSimStateChanged(subId=" + subId + ", slotId=" + slotId 369 + ",state=" + simState + ")"); 370 } 371 372 try { 373 int size = mKeyguardStateCallbacks.size(); 374 boolean simPinSecure = mUpdateMonitor.isSimPinSecure(); 375 for (int i = 0; i < size; i++) { 376 mKeyguardStateCallbacks.get(i).onSimSecureStateChanged(simPinSecure); 377 } 378 } catch (RemoteException e) { 379 Slog.w(TAG, "Failed to call onSimSecureStateChanged", e); 380 } 381 382 switch (simState) { 383 case NOT_READY: 384 case ABSENT: 385 // only force lock screen in case of missing sim if user hasn't 386 // gone through setup wizard 387 synchronized (this) { 388 if (shouldWaitForProvisioning()) { 389 if (!mShowing) { 390 if (DEBUG_SIM_STATES) Log.d(TAG, "ICC_ABSENT isn't showing," 391 + " we need to show the keyguard since the " 392 + "device isn't provisioned yet."); 393 doKeyguardLocked(null); 394 } else { 395 resetStateLocked(); 396 } 397 } 398 } 399 break; 400 case PIN_REQUIRED: 401 case PUK_REQUIRED: 402 synchronized (this) { 403 if (!mShowing) { 404 if (DEBUG_SIM_STATES) Log.d(TAG, 405 "INTENT_VALUE_ICC_LOCKED and keygaurd isn't " 406 + "showing; need to show keyguard so user can enter sim pin"); 407 doKeyguardLocked(null); 408 } else { 409 resetStateLocked(); 410 } 411 } 412 break; 413 case PERM_DISABLED: 414 synchronized (this) { 415 if (!mShowing) { 416 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED and " 417 + "keygaurd isn't showing."); 418 doKeyguardLocked(null); 419 } else { 420 if (DEBUG_SIM_STATES) Log.d(TAG, "PERM_DISABLED, resetStateLocked to" 421 + "show permanently disabled message in lockscreen."); 422 resetStateLocked(); 423 } 424 } 425 break; 426 case READY: 427 synchronized (this) { 428 if (mShowing) { 429 resetStateLocked(); 430 } 431 } 432 break; 433 default: 434 if (DEBUG_SIM_STATES) Log.v(TAG, "Ignoring state: " + simState); 435 break; 436 } 437 } 438 439 @Override 440 public void onFingerprintAuthenticated(int userId) { 441 if (mStatusBarKeyguardViewManager.isBouncerShowing()) { 442 mViewMediatorCallback.keyguardDone(true); 443 } else { 444 mStatusBarKeyguardViewManager.animateCollapsePanels(); 445 } 446 }; 447 448 }; 449 450 ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() { 451 452 public void userActivity() { 453 KeyguardViewMediator.this.userActivity(); 454 } 455 456 public void keyguardDone(boolean authenticated) { 457 if (!mKeyguardDonePending) { 458 KeyguardViewMediator.this.keyguardDone(authenticated, true); 459 } 460 } 461 462 public void keyguardDoneDrawing() { 463 mHandler.sendEmptyMessage(KEYGUARD_DONE_DRAWING); 464 } 465 466 @Override 467 public void setNeedsInput(boolean needsInput) { 468 mStatusBarKeyguardViewManager.setNeedsInput(needsInput); 469 } 470 471 @Override 472 public void keyguardDonePending() { 473 mKeyguardDonePending = true; 474 mHideAnimationRun = true; 475 mStatusBarKeyguardViewManager.startPreHideAnimation(null /* finishRunnable */); 476 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_PENDING_TIMEOUT, 477 KEYGUARD_DONE_PENDING_TIMEOUT_MS); 478 } 479 480 @Override 481 public void keyguardGone() { 482 mKeyguardDisplayManager.hide(); 483 } 484 485 @Override 486 public void readyForKeyguardDone() { 487 if (mKeyguardDonePending) { 488 // Somebody has called keyguardDonePending before, which means that we are 489 // authenticated 490 KeyguardViewMediator.this.keyguardDone(true /* authenticated */, true /* wakeUp */); 491 } 492 } 493 494 @Override 495 public void resetKeyguard() { 496 resetStateLocked(); 497 } 498 499 @Override 500 public void playTrustedSound() { 501 KeyguardViewMediator.this.playTrustedSound(); 502 } 503 504 @Override 505 public boolean isInputRestricted() { 506 return KeyguardViewMediator.this.isInputRestricted(); 507 } 508 509 @Override 510 public boolean isScreenOn() { 511 return mScreenOn; 512 } 513 }; 514 515 public void userActivity() { 516 mPM.userActivity(SystemClock.uptimeMillis(), false); 517 } 518 519 private void setupLocked() { 520 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 521 mWM = WindowManagerGlobal.getWindowManagerService(); 522 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 523 524 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 525 mShowKeyguardWakeLock.setReferenceCounted(false); 526 527 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 528 529 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 530 531 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 532 533 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 534 535 mLockPatternUtils = new LockPatternUtils(mContext); 536 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 537 538 // Assume keyguard is showing (unless it's disabled) until we know for sure... 539 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 540 mTrustManager.reportKeyguardShowingChanged(); 541 542 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 543 mViewMediatorCallback, mLockPatternUtils); 544 final ContentResolver cr = mContext.getContentResolver(); 545 546 mScreenOn = mPM.isScreenOn(); 547 548 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 549 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 550 if (soundPath != null) { 551 mLockSoundId = mLockSounds.load(soundPath, 1); 552 } 553 if (soundPath == null || mLockSoundId == 0) { 554 Log.w(TAG, "failed to load lock sound from " + soundPath); 555 } 556 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 557 if (soundPath != null) { 558 mUnlockSoundId = mLockSounds.load(soundPath, 1); 559 } 560 if (soundPath == null || mUnlockSoundId == 0) { 561 Log.w(TAG, "failed to load unlock sound from " + soundPath); 562 } 563 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 564 if (soundPath != null) { 565 mTrustedSoundId = mLockSounds.load(soundPath, 1); 566 } 567 if (soundPath == null || mTrustedSoundId == 0) { 568 Log.w(TAG, "failed to load trusted sound from " + soundPath); 569 } 570 571 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 572 com.android.internal.R.integer.config_lockSoundVolumeDb); 573 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 574 575 mHideAnimation = AnimationUtils.loadAnimation(mContext, 576 com.android.internal.R.anim.lock_screen_behind_enter); 577 } 578 579 @Override 580 public void start() { 581 synchronized (this) { 582 setupLocked(); 583 } 584 putComponent(KeyguardViewMediator.class, this); 585 } 586 587 /** 588 * Let us know that the system is ready after startup. 589 */ 590 public void onSystemReady() { 591 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 592 synchronized (this) { 593 if (DEBUG) Log.d(TAG, "onSystemReady"); 594 mSystemReady = true; 595 mUpdateMonitor.registerCallback(mUpdateCallback); 596 597 doKeyguardLocked(null); 598 } 599 // Most services aren't available until the system reaches the ready state, so we 600 // send it here when the device first boots. 601 maybeSendUserPresentBroadcast(); 602 } 603 604 /** 605 * Called to let us know the screen was turned off. 606 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 607 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 608 */ 609 public void onScreenTurnedOff(int why) { 610 synchronized (this) { 611 mScreenOn = false; 612 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 613 614 resetKeyguardDonePendingLocked(); 615 mHideAnimationRun = false; 616 617 // Lock immediately based on setting if secure (user has a pin/pattern/password). 618 // This also "locks" the device when not secure to provide easy access to the 619 // camera while preventing unwanted input. 620 final boolean lockImmediately = 621 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 622 623 notifyScreenOffLocked(); 624 625 if (mExitSecureCallback != null) { 626 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 627 try { 628 mExitSecureCallback.onKeyguardExitResult(false); 629 } catch (RemoteException e) { 630 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 631 } 632 mExitSecureCallback = null; 633 if (!mExternallyEnabled) { 634 hideLocked(); 635 } 636 } else if (mShowing) { 637 resetStateLocked(); 638 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 639 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 640 doKeyguardLaterLocked(); 641 } else { 642 doKeyguardLocked(null); 643 } 644 } 645 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOff(why); 646 } 647 648 private void doKeyguardLaterLocked() { 649 // if the screen turned off because of timeout or the user hit the power button 650 // and we don't need to lock immediately, set an alarm 651 // to enable it a little bit later (i.e, give the user a chance 652 // to turn the screen back on within a certain window without 653 // having to unlock the screen) 654 final ContentResolver cr = mContext.getContentResolver(); 655 656 // From DisplaySettings 657 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 658 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 659 660 // From SecuritySettings 661 final long lockAfterTimeout = Settings.Secure.getInt(cr, 662 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 663 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 664 665 // From DevicePolicyAdmin 666 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 667 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 668 669 long timeout; 670 if (policyTimeout > 0) { 671 // policy in effect. Make sure we don't go beyond policy limit. 672 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 673 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 674 } else { 675 timeout = lockAfterTimeout; 676 } 677 678 if (timeout <= 0) { 679 // Lock now 680 mSuppressNextLockSound = true; 681 doKeyguardLocked(null); 682 } else { 683 // Lock in the future 684 long when = SystemClock.elapsedRealtime() + timeout; 685 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 686 intent.putExtra("seq", mDelayedShowingSequence); 687 PendingIntent sender = PendingIntent.getBroadcast(mContext, 688 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 689 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 690 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 691 + mDelayedShowingSequence); 692 } 693 } 694 695 private void cancelDoKeyguardLaterLocked() { 696 mDelayedShowingSequence++; 697 } 698 699 /** 700 * Let's us know the screen was turned on. 701 */ 702 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 703 synchronized (this) { 704 mScreenOn = true; 705 cancelDoKeyguardLaterLocked(); 706 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 707 if (callback != null) { 708 notifyScreenOnLocked(callback); 709 } 710 } 711 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 712 maybeSendUserPresentBroadcast(); 713 } 714 715 private void maybeSendUserPresentBroadcast() { 716 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 717 // Lock screen is disabled because the user has set the preference to "None". 718 // In this case, send out ACTION_USER_PRESENT here instead of in 719 // handleKeyguardDone() 720 sendUserPresentBroadcast(); 721 } 722 } 723 724 /** 725 * A dream started. We should lock after the usual screen-off lock timeout but only 726 * if there is a secure lock pattern. 727 */ 728 public void onDreamingStarted() { 729 synchronized (this) { 730 if (mScreenOn && mLockPatternUtils.isSecure()) { 731 doKeyguardLaterLocked(); 732 } 733 } 734 } 735 736 /** 737 * A dream stopped. 738 */ 739 public void onDreamingStopped() { 740 synchronized (this) { 741 if (mScreenOn) { 742 cancelDoKeyguardLaterLocked(); 743 } 744 } 745 } 746 747 /** 748 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 749 * a way for external stuff to override normal keyguard behavior. For instance 750 * the phone app disables the keyguard when it receives incoming calls. 751 */ 752 public void setKeyguardEnabled(boolean enabled) { 753 synchronized (this) { 754 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 755 756 if (isSecure()) { 757 Log.d(TAG, "current mode is SecurityMode, ignore hide keyguard"); 758 return; 759 } 760 761 mExternallyEnabled = enabled; 762 763 if (!enabled && mShowing) { 764 if (mExitSecureCallback != null) { 765 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 766 // we're in the process of handling a request to verify the user 767 // can get past the keyguard. ignore extraneous requests to disable / reenable 768 return; 769 } 770 771 // hiding keyguard that is showing, remember to reshow later 772 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 773 + "disabling status bar expansion"); 774 mNeedToReshowWhenReenabled = true; 775 updateInputRestrictedLocked(); 776 hideLocked(); 777 } else if (enabled && mNeedToReshowWhenReenabled) { 778 // reenabled after previously hidden, reshow 779 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 780 + "status bar expansion"); 781 mNeedToReshowWhenReenabled = false; 782 updateInputRestrictedLocked(); 783 784 if (mExitSecureCallback != null) { 785 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 786 try { 787 mExitSecureCallback.onKeyguardExitResult(false); 788 } catch (RemoteException e) { 789 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 790 } 791 mExitSecureCallback = null; 792 resetStateLocked(); 793 } else { 794 showLocked(null); 795 796 // block until we know the keygaurd is done drawing (and post a message 797 // to unblock us after a timeout so we don't risk blocking too long 798 // and causing an ANR). 799 mWaitingUntilKeyguardVisible = true; 800 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 801 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 802 while (mWaitingUntilKeyguardVisible) { 803 try { 804 wait(); 805 } catch (InterruptedException e) { 806 Thread.currentThread().interrupt(); 807 } 808 } 809 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 810 } 811 } 812 } 813 } 814 815 /** 816 * @see android.app.KeyguardManager#exitKeyguardSecurely 817 */ 818 public void verifyUnlock(IKeyguardExitCallback callback) { 819 synchronized (this) { 820 if (DEBUG) Log.d(TAG, "verifyUnlock"); 821 if (shouldWaitForProvisioning()) { 822 // don't allow this api when the device isn't provisioned 823 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 824 try { 825 callback.onKeyguardExitResult(false); 826 } catch (RemoteException e) { 827 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 828 } 829 } else if (mExternallyEnabled) { 830 // this only applies when the user has externally disabled the 831 // keyguard. this is unexpected and means the user is not 832 // using the api properly. 833 Log.w(TAG, "verifyUnlock called when not externally disabled"); 834 try { 835 callback.onKeyguardExitResult(false); 836 } catch (RemoteException e) { 837 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 838 } 839 } else if (mExitSecureCallback != null) { 840 // already in progress with someone else 841 try { 842 callback.onKeyguardExitResult(false); 843 } catch (RemoteException e) { 844 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 845 } 846 } else { 847 mExitSecureCallback = callback; 848 verifyUnlockLocked(); 849 } 850 } 851 } 852 853 /** 854 * Is the keyguard currently showing and not being force hidden? 855 */ 856 public boolean isShowingAndNotOccluded() { 857 return mShowing && !mOccluded; 858 } 859 860 /** 861 * Notify us when the keyguard is occluded by another window 862 */ 863 public void setOccluded(boolean isOccluded) { 864 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 865 mHandler.removeMessages(SET_OCCLUDED); 866 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 867 mHandler.sendMessage(msg); 868 } 869 870 /** 871 * Handles SET_OCCLUDED message sent by setOccluded() 872 */ 873 private void handleSetOccluded(boolean isOccluded) { 874 synchronized (KeyguardViewMediator.this) { 875 if (mHiding && isOccluded) { 876 // We're in the process of going away but WindowManager wants to show a 877 // SHOW_WHEN_LOCKED activity instead. 878 startKeyguardExitAnimation(0, 0); 879 } 880 881 if (mOccluded != isOccluded) { 882 mOccluded = isOccluded; 883 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 884 updateActivityLockScreenState(); 885 adjustStatusBarLocked(); 886 } 887 } 888 } 889 890 /** 891 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 892 * This must be safe to call from any thread and with any window manager locks held. 893 */ 894 public void doKeyguardTimeout(Bundle options) { 895 mHandler.removeMessages(KEYGUARD_TIMEOUT); 896 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 897 mHandler.sendMessage(msg); 898 } 899 900 /** 901 * Given the state of the keyguard, is the input restricted? 902 * Input is restricted when the keyguard is showing, or when the keyguard 903 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 904 */ 905 public boolean isInputRestricted() { 906 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 907 } 908 909 private void updateInputRestricted() { 910 synchronized (this) { 911 updateInputRestrictedLocked(); 912 } 913 } 914 private void updateInputRestrictedLocked() { 915 boolean inputRestricted = isInputRestricted(); 916 if (mInputRestricted != inputRestricted) { 917 mInputRestricted = inputRestricted; 918 try { 919 int size = mKeyguardStateCallbacks.size(); 920 for (int i = 0; i < size; i++) { 921 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 922 } 923 } catch (RemoteException e) { 924 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 925 } 926 } 927 } 928 929 /** 930 * Enable the keyguard if the settings are appropriate. 931 */ 932 private void doKeyguardLocked(Bundle options) { 933 // if another app is disabling us, don't show 934 if (!mExternallyEnabled) { 935 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 936 937 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 938 // for an occasional ugly flicker in this situation: 939 // 1) receive a call with the screen on (no keyguard) or make a call 940 // 2) screen times out 941 // 3) user hits key to turn screen back on 942 // instead, we reenable the keyguard when we know the screen is off and the call 943 // ends (see the broadcast receiver below) 944 // TODO: clean this up when we have better support at the window manager level 945 // for apps that wish to be on top of the keyguard 946 return; 947 } 948 949 // if the keyguard is already showing, don't bother 950 if (mStatusBarKeyguardViewManager.isShowing()) { 951 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 952 resetStateLocked(); 953 return; 954 } 955 956 // if the setup wizard hasn't run yet, don't show 957 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 958 final boolean absent = SubscriptionManager.isValidSubscriptionId( 959 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 960 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 961 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 962 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 963 || ((absent || disabled) && requireSim); 964 965 if (!lockedOrMissing && shouldWaitForProvisioning()) { 966 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 967 + " and the sim is not locked or missing"); 968 return; 969 } 970 971 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 972 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 973 return; 974 } 975 976 if (mLockPatternUtils.checkVoldPassword()) { 977 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 978 // Without this, settings is not enabled until the lock screen first appears 979 setShowingLocked(false); 980 hideLocked(); 981 return; 982 } 983 984 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 985 showLocked(options); 986 } 987 988 private boolean shouldWaitForProvisioning() { 989 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 990 } 991 992 /** 993 * Dismiss the keyguard through the security layers. 994 */ 995 public void handleDismiss() { 996 if (mShowing && !mOccluded) { 997 mStatusBarKeyguardViewManager.dismiss(); 998 } 999 } 1000 1001 public void dismiss() { 1002 mHandler.sendEmptyMessage(DISMISS); 1003 } 1004 1005 /** 1006 * Send message to keyguard telling it to reset its state. 1007 * @see #handleReset 1008 */ 1009 private void resetStateLocked() { 1010 if (DEBUG) Log.e(TAG, "resetStateLocked"); 1011 Message msg = mHandler.obtainMessage(RESET); 1012 mHandler.sendMessage(msg); 1013 } 1014 1015 /** 1016 * Send message to keyguard telling it to verify unlock 1017 * @see #handleVerifyUnlock() 1018 */ 1019 private void verifyUnlockLocked() { 1020 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1021 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1022 } 1023 1024 1025 /** 1026 * Send a message to keyguard telling it the screen just turned on. 1027 * @see #onScreenTurnedOff(int) 1028 * @see #handleNotifyScreenOff 1029 */ 1030 private void notifyScreenOffLocked() { 1031 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1032 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1033 } 1034 1035 /** 1036 * Send a message to keyguard telling it the screen just turned on. 1037 * @see #onScreenTurnedOn 1038 * @see #handleNotifyScreenOn 1039 */ 1040 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1041 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1042 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1043 mHandler.sendMessage(msg); 1044 } 1045 1046 /** 1047 * Send message to keyguard telling it to show itself 1048 * @see #handleShow 1049 */ 1050 private void showLocked(Bundle options) { 1051 if (DEBUG) Log.d(TAG, "showLocked"); 1052 // ensure we stay awake until we are finished displaying the keyguard 1053 mShowKeyguardWakeLock.acquire(); 1054 Message msg = mHandler.obtainMessage(SHOW, options); 1055 mHandler.sendMessage(msg); 1056 } 1057 1058 /** 1059 * Send message to keyguard telling it to hide itself 1060 * @see #handleHide() 1061 */ 1062 private void hideLocked() { 1063 if (DEBUG) Log.d(TAG, "hideLocked"); 1064 Message msg = mHandler.obtainMessage(HIDE); 1065 mHandler.sendMessage(msg); 1066 } 1067 1068 public boolean isSecure() { 1069 return mLockPatternUtils.isSecure() 1070 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1071 } 1072 1073 /** 1074 * Update the newUserId. Call while holding WindowManagerService lock. 1075 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1076 * 1077 * @param newUserId The id of the incoming user. 1078 */ 1079 public void setCurrentUser(int newUserId) { 1080 mLockPatternUtils.setCurrentUser(newUserId); 1081 } 1082 1083 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1084 @Override 1085 public void onReceive(Context context, Intent intent) { 1086 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1087 final int sequence = intent.getIntExtra("seq", 0); 1088 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1089 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1090 synchronized (KeyguardViewMediator.this) { 1091 if (mDelayedShowingSequence == sequence) { 1092 // Don't play lockscreen SFX if the screen went off due to timeout. 1093 mSuppressNextLockSound = true; 1094 doKeyguardLocked(null); 1095 } 1096 } 1097 } 1098 } 1099 }; 1100 1101 public void keyguardDone(boolean authenticated, boolean wakeup) { 1102 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1103 EventLog.writeEvent(70000, 2); 1104 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1105 mHandler.sendMessage(msg); 1106 } 1107 1108 /** 1109 * This handler will be associated with the policy thread, which will also 1110 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1111 * this class, can be called by other threads, any action that directly 1112 * interacts with the keyguard ui should be posted to this handler, rather 1113 * than called directly. 1114 */ 1115 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1116 @Override 1117 public void handleMessage(Message msg) { 1118 switch (msg.what) { 1119 case SHOW: 1120 handleShow((Bundle) msg.obj); 1121 break; 1122 case HIDE: 1123 handleHide(); 1124 break; 1125 case RESET: 1126 handleReset(); 1127 break; 1128 case VERIFY_UNLOCK: 1129 handleVerifyUnlock(); 1130 break; 1131 case NOTIFY_SCREEN_OFF: 1132 handleNotifyScreenOff(); 1133 break; 1134 case NOTIFY_SCREEN_ON: 1135 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1136 break; 1137 case KEYGUARD_DONE: 1138 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1139 break; 1140 case KEYGUARD_DONE_DRAWING: 1141 handleKeyguardDoneDrawing(); 1142 break; 1143 case KEYGUARD_DONE_AUTHENTICATING: 1144 keyguardDone(true, true); 1145 break; 1146 case SET_OCCLUDED: 1147 handleSetOccluded(msg.arg1 != 0); 1148 break; 1149 case KEYGUARD_TIMEOUT: 1150 synchronized (KeyguardViewMediator.this) { 1151 doKeyguardLocked((Bundle) msg.obj); 1152 } 1153 break; 1154 case DISMISS: 1155 handleDismiss(); 1156 break; 1157 case START_KEYGUARD_EXIT_ANIM: 1158 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1159 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1160 break; 1161 case KEYGUARD_DONE_PENDING_TIMEOUT: 1162 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1163 // Fall through. 1164 case ON_ACTIVITY_DRAWN: 1165 handleOnActivityDrawn(); 1166 break; 1167 } 1168 } 1169 }; 1170 1171 /** 1172 * @see #keyguardDone 1173 * @see #KEYGUARD_DONE 1174 */ 1175 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1176 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1177 synchronized (this) { 1178 resetKeyguardDonePendingLocked(); 1179 } 1180 1181 if (authenticated) { 1182 mUpdateMonitor.clearFailedUnlockAttempts(); 1183 } 1184 mUpdateMonitor.clearFingerprintRecognized(); 1185 1186 if (mExitSecureCallback != null) { 1187 try { 1188 mExitSecureCallback.onKeyguardExitResult(authenticated); 1189 } catch (RemoteException e) { 1190 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1191 } 1192 1193 mExitSecureCallback = null; 1194 1195 if (authenticated) { 1196 // after succesfully exiting securely, no need to reshow 1197 // the keyguard when they've released the lock 1198 mExternallyEnabled = true; 1199 mNeedToReshowWhenReenabled = false; 1200 updateInputRestricted(); 1201 } 1202 } 1203 1204 handleHide(); 1205 } 1206 1207 private void sendUserPresentBroadcast() { 1208 synchronized (this) { 1209 if (mBootCompleted) { 1210 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1211 final UserManager um = (UserManager) mContext.getSystemService( 1212 Context.USER_SERVICE); 1213 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1214 for (UserInfo ui : userHandles) { 1215 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1216 } 1217 } else { 1218 mBootSendUserPresent = true; 1219 } 1220 } 1221 } 1222 1223 /** 1224 * @see #keyguardDone 1225 * @see #KEYGUARD_DONE_DRAWING 1226 */ 1227 private void handleKeyguardDoneDrawing() { 1228 synchronized(this) { 1229 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1230 if (mWaitingUntilKeyguardVisible) { 1231 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1232 mWaitingUntilKeyguardVisible = false; 1233 notifyAll(); 1234 1235 // there will usually be two of these sent, one as a timeout, and one 1236 // as a result of the callback, so remove any remaining messages from 1237 // the queue 1238 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1239 } 1240 } 1241 } 1242 1243 private void playSounds(boolean locked) { 1244 // User feedback for keyguard. 1245 1246 if (mSuppressNextLockSound) { 1247 mSuppressNextLockSound = false; 1248 return; 1249 } 1250 1251 playSound(locked ? mLockSoundId : mUnlockSoundId); 1252 } 1253 1254 private void playSound(int soundId) { 1255 if (soundId == 0) return; 1256 final ContentResolver cr = mContext.getContentResolver(); 1257 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1258 1259 mLockSounds.stop(mLockSoundStreamId); 1260 // Init mAudioManager 1261 if (mAudioManager == null) { 1262 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1263 if (mAudioManager == null) return; 1264 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1265 } 1266 // If the stream is muted, don't play the sound 1267 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1268 1269 mLockSoundStreamId = mLockSounds.play(soundId, 1270 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1271 } 1272 } 1273 1274 private void playTrustedSound() { 1275 if (mSuppressNextLockSound) { 1276 return; 1277 } 1278 playSound(mTrustedSoundId); 1279 } 1280 1281 private void updateActivityLockScreenState() { 1282 try { 1283 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1284 } catch (RemoteException e) { 1285 } 1286 } 1287 1288 /** 1289 * Handle message sent by {@link #showLocked}. 1290 * @see #SHOW 1291 */ 1292 private void handleShow(Bundle options) { 1293 synchronized (KeyguardViewMediator.this) { 1294 if (!mSystemReady) { 1295 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1296 return; 1297 } else { 1298 if (DEBUG) Log.d(TAG, "handleShow"); 1299 } 1300 1301 setShowingLocked(true); 1302 mStatusBarKeyguardViewManager.show(options); 1303 mHiding = false; 1304 resetKeyguardDonePendingLocked(); 1305 mHideAnimationRun = false; 1306 updateActivityLockScreenState(); 1307 adjustStatusBarLocked(); 1308 userActivity(); 1309 1310 // Do this at the end to not slow down display of the keyguard. 1311 playSounds(true); 1312 1313 mShowKeyguardWakeLock.release(); 1314 } 1315 mKeyguardDisplayManager.show(); 1316 } 1317 1318 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1319 @Override 1320 public void run() { 1321 try { 1322 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1323 1324 // Don't actually hide the Keyguard at the moment, wait for window 1325 // manager until it tells us it's safe to do so with 1326 // startKeyguardExitAnimation. 1327 mWM.keyguardGoingAway( 1328 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1329 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1330 } catch (RemoteException e) { 1331 Log.e(TAG, "Error while calling WindowManager", e); 1332 } 1333 } 1334 }; 1335 1336 /** 1337 * Handle message sent by {@link #hideLocked()} 1338 * @see #HIDE 1339 */ 1340 private void handleHide() { 1341 synchronized (KeyguardViewMediator.this) { 1342 if (DEBUG) Log.d(TAG, "handleHide"); 1343 1344 mHiding = true; 1345 if (mShowing && !mOccluded) { 1346 if (!mHideAnimationRun) { 1347 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1348 } else { 1349 mKeyguardGoingAwayRunnable.run(); 1350 } 1351 } else { 1352 1353 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1354 // manager won't start the exit animation. 1355 handleStartKeyguardExitAnimation( 1356 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1357 mHideAnimation.getDuration()); 1358 } 1359 } 1360 } 1361 1362 private void handleOnActivityDrawn() { 1363 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1364 if (mKeyguardDonePending) { 1365 mStatusBarKeyguardViewManager.onActivityDrawn(); 1366 } 1367 } 1368 1369 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1370 synchronized (KeyguardViewMediator.this) { 1371 1372 if (!mHiding) { 1373 return; 1374 } 1375 mHiding = false; 1376 1377 // only play "unlock" noises if not on a call (since the incall UI 1378 // disables the keyguard) 1379 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1380 playSounds(false); 1381 } 1382 1383 setShowingLocked(false); 1384 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1385 resetKeyguardDonePendingLocked(); 1386 mHideAnimationRun = false; 1387 updateActivityLockScreenState(); 1388 adjustStatusBarLocked(); 1389 sendUserPresentBroadcast(); 1390 maybeStopListeningForFingerprint(); 1391 } 1392 } 1393 1394 private void maybeStopListeningForFingerprint() { 1395 mUpdateMonitor.stopListeningForFingerprint(); 1396 } 1397 1398 private void adjustStatusBarLocked() { 1399 if (mStatusBarManager == null) { 1400 mStatusBarManager = (StatusBarManager) 1401 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1402 } 1403 if (mStatusBarManager == null) { 1404 Log.w(TAG, "Could not get status bar manager"); 1405 } else { 1406 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1407 // windows that appear on top, ever 1408 int flags = StatusBarManager.DISABLE_NONE; 1409 if (mShowing) { 1410 // Permanently disable components not available when keyguard is enabled 1411 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1412 // done in KeyguardHostView. 1413 flags |= StatusBarManager.DISABLE_RECENT; 1414 flags |= StatusBarManager.DISABLE_SEARCH; 1415 } 1416 if (isShowingAndNotOccluded()) { 1417 flags |= StatusBarManager.DISABLE_HOME; 1418 } 1419 1420 if (DEBUG) { 1421 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1422 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1423 } 1424 1425 if (!(mContext instanceof Activity)) { 1426 mStatusBarManager.disable(flags); 1427 } 1428 } 1429 } 1430 1431 /** 1432 * Handle message sent by {@link #resetStateLocked} 1433 * @see #RESET 1434 */ 1435 private void handleReset() { 1436 synchronized (KeyguardViewMediator.this) { 1437 if (DEBUG) Log.d(TAG, "handleReset"); 1438 mStatusBarKeyguardViewManager.reset(); 1439 } 1440 } 1441 1442 /** 1443 * Handle message sent by {@link #verifyUnlock} 1444 * @see #VERIFY_UNLOCK 1445 */ 1446 private void handleVerifyUnlock() { 1447 synchronized (KeyguardViewMediator.this) { 1448 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1449 setShowingLocked(true); 1450 mStatusBarKeyguardViewManager.verifyUnlock(); 1451 updateActivityLockScreenState(); 1452 } 1453 } 1454 1455 /** 1456 * Handle message sent by {@link #notifyScreenOffLocked()} 1457 * @see #NOTIFY_SCREEN_OFF 1458 */ 1459 private void handleNotifyScreenOff() { 1460 synchronized (KeyguardViewMediator.this) { 1461 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1462 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1463 } 1464 } 1465 1466 /** 1467 * Handle message sent by {@link #notifyScreenOnLocked} 1468 * @see #NOTIFY_SCREEN_ON 1469 */ 1470 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1471 synchronized (KeyguardViewMediator.this) { 1472 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1473 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1474 } 1475 } 1476 1477 private void resetKeyguardDonePendingLocked() { 1478 mKeyguardDonePending = false; 1479 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1480 } 1481 1482 public void onBootCompleted() { 1483 mUpdateMonitor.dispatchBootCompleted(); 1484 synchronized (this) { 1485 mBootCompleted = true; 1486 if (mBootSendUserPresent) { 1487 sendUserPresentBroadcast(); 1488 } 1489 } 1490 } 1491 1492 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1493 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1494 ScrimController scrimController) { 1495 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1496 statusBarWindowManager, scrimController); 1497 return mStatusBarKeyguardViewManager; 1498 } 1499 1500 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1501 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1502 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1503 mHandler.sendMessage(msg); 1504 } 1505 1506 public void onActivityDrawn() { 1507 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1508 } 1509 public ViewMediatorCallback getViewMediatorCallback() { 1510 return mViewMediatorCallback; 1511 } 1512 1513 private static class StartKeyguardExitAnimParams { 1514 1515 long startTime; 1516 long fadeoutDuration; 1517 1518 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1519 this.startTime = startTime; 1520 this.fadeoutDuration = fadeoutDuration; 1521 } 1522 } 1523 1524 private void setShowingLocked(boolean showing) { 1525 if (showing != mShowing) { 1526 mShowing = showing; 1527 try { 1528 int size = mKeyguardStateCallbacks.size(); 1529 for (int i = 0; i < size; i++) { 1530 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1531 } 1532 } catch (RemoteException e) { 1533 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1534 } 1535 updateInputRestrictedLocked(); 1536 mTrustManager.reportKeyguardShowingChanged(); 1537 } 1538 } 1539 1540 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1541 synchronized (this) { 1542 mKeyguardStateCallbacks.add(callback); 1543 try { 1544 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1545 callback.onShowingStateChanged(mShowing); 1546 } catch (RemoteException e) { 1547 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1548 } 1549 } 1550 } 1551} 1552