KeyguardViewMediator.java revision 9f0753f5a378fc80da86305b33244acc6fc53f01
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 }; 509 510 public void userActivity() { 511 mPM.userActivity(SystemClock.uptimeMillis(), false); 512 } 513 514 private void setupLocked() { 515 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); 516 mWM = WindowManagerGlobal.getWindowManagerService(); 517 mTrustManager = (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 518 519 mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard"); 520 mShowKeyguardWakeLock.setReferenceCounted(false); 521 522 mContext.registerReceiver(mBroadcastReceiver, new IntentFilter(DELAYED_KEYGUARD_ACTION)); 523 524 mKeyguardDisplayManager = new KeyguardDisplayManager(mContext); 525 526 mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); 527 528 mUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext); 529 530 mLockPatternUtils = new LockPatternUtils(mContext); 531 mLockPatternUtils.setCurrentUser(ActivityManager.getCurrentUser()); 532 533 // Assume keyguard is showing (unless it's disabled) until we know for sure... 534 setShowingLocked(!shouldWaitForProvisioning() && !mLockPatternUtils.isLockScreenDisabled()); 535 mTrustManager.reportKeyguardShowingChanged(); 536 537 mStatusBarKeyguardViewManager = new StatusBarKeyguardViewManager(mContext, 538 mViewMediatorCallback, mLockPatternUtils); 539 final ContentResolver cr = mContext.getContentResolver(); 540 541 mScreenOn = mPM.isScreenOn(); 542 543 mLockSounds = new SoundPool(1, AudioManager.STREAM_SYSTEM, 0); 544 String soundPath = Settings.Global.getString(cr, Settings.Global.LOCK_SOUND); 545 if (soundPath != null) { 546 mLockSoundId = mLockSounds.load(soundPath, 1); 547 } 548 if (soundPath == null || mLockSoundId == 0) { 549 Log.w(TAG, "failed to load lock sound from " + soundPath); 550 } 551 soundPath = Settings.Global.getString(cr, Settings.Global.UNLOCK_SOUND); 552 if (soundPath != null) { 553 mUnlockSoundId = mLockSounds.load(soundPath, 1); 554 } 555 if (soundPath == null || mUnlockSoundId == 0) { 556 Log.w(TAG, "failed to load unlock sound from " + soundPath); 557 } 558 soundPath = Settings.Global.getString(cr, Settings.Global.TRUSTED_SOUND); 559 if (soundPath != null) { 560 mTrustedSoundId = mLockSounds.load(soundPath, 1); 561 } 562 if (soundPath == null || mTrustedSoundId == 0) { 563 Log.w(TAG, "failed to load trusted sound from " + soundPath); 564 } 565 566 int lockSoundDefaultAttenuation = mContext.getResources().getInteger( 567 com.android.internal.R.integer.config_lockSoundVolumeDb); 568 mLockSoundVolume = (float)Math.pow(10, (float)lockSoundDefaultAttenuation/20); 569 570 mHideAnimation = AnimationUtils.loadAnimation(mContext, 571 com.android.internal.R.anim.lock_screen_behind_enter); 572 } 573 574 @Override 575 public void start() { 576 synchronized (this) { 577 setupLocked(); 578 } 579 putComponent(KeyguardViewMediator.class, this); 580 } 581 582 /** 583 * Let us know that the system is ready after startup. 584 */ 585 public void onSystemReady() { 586 mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE); 587 synchronized (this) { 588 if (DEBUG) Log.d(TAG, "onSystemReady"); 589 mSystemReady = true; 590 mUpdateMonitor.registerCallback(mUpdateCallback); 591 592 doKeyguardLocked(null); 593 } 594 // Most services aren't available until the system reaches the ready state, so we 595 // send it here when the device first boots. 596 maybeSendUserPresentBroadcast(); 597 } 598 599 /** 600 * Called to let us know the screen was turned off. 601 * @param why either {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_USER} or 602 * {@link android.view.WindowManagerPolicy#OFF_BECAUSE_OF_TIMEOUT}. 603 */ 604 public void onScreenTurnedOff(int why) { 605 synchronized (this) { 606 mScreenOn = false; 607 if (DEBUG) Log.d(TAG, "onScreenTurnedOff(" + why + ")"); 608 609 resetKeyguardDonePendingLocked(); 610 mHideAnimationRun = false; 611 612 // Lock immediately based on setting if secure (user has a pin/pattern/password). 613 // This also "locks" the device when not secure to provide easy access to the 614 // camera while preventing unwanted input. 615 final boolean lockImmediately = 616 mLockPatternUtils.getPowerButtonInstantlyLocks() || !mLockPatternUtils.isSecure(); 617 618 notifyScreenOffLocked(); 619 620 if (mExitSecureCallback != null) { 621 if (DEBUG) Log.d(TAG, "pending exit secure callback cancelled"); 622 try { 623 mExitSecureCallback.onKeyguardExitResult(false); 624 } catch (RemoteException e) { 625 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 626 } 627 mExitSecureCallback = null; 628 if (!mExternallyEnabled) { 629 hideLocked(); 630 } 631 } else if (mShowing) { 632 resetStateLocked(); 633 } else if (why == WindowManagerPolicy.OFF_BECAUSE_OF_TIMEOUT 634 || (why == WindowManagerPolicy.OFF_BECAUSE_OF_USER && !lockImmediately)) { 635 doKeyguardLaterLocked(); 636 } else { 637 doKeyguardLocked(null); 638 } 639 } 640 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurndOff(why); 641 } 642 643 private void doKeyguardLaterLocked() { 644 // if the screen turned off because of timeout or the user hit the power button 645 // and we don't need to lock immediately, set an alarm 646 // to enable it a little bit later (i.e, give the user a chance 647 // to turn the screen back on within a certain window without 648 // having to unlock the screen) 649 final ContentResolver cr = mContext.getContentResolver(); 650 651 // From DisplaySettings 652 long displayTimeout = Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 653 KEYGUARD_DISPLAY_TIMEOUT_DELAY_DEFAULT); 654 655 // From SecuritySettings 656 final long lockAfterTimeout = Settings.Secure.getInt(cr, 657 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 658 KEYGUARD_LOCK_AFTER_DELAY_DEFAULT); 659 660 // From DevicePolicyAdmin 661 final long policyTimeout = mLockPatternUtils.getDevicePolicyManager() 662 .getMaximumTimeToLock(null, mLockPatternUtils.getCurrentUser()); 663 664 long timeout; 665 if (policyTimeout > 0) { 666 // policy in effect. Make sure we don't go beyond policy limit. 667 displayTimeout = Math.max(displayTimeout, 0); // ignore negative values 668 timeout = Math.min(policyTimeout - displayTimeout, lockAfterTimeout); 669 } else { 670 timeout = lockAfterTimeout; 671 } 672 673 if (timeout <= 0) { 674 // Lock now 675 mSuppressNextLockSound = true; 676 doKeyguardLocked(null); 677 } else { 678 // Lock in the future 679 long when = SystemClock.elapsedRealtime() + timeout; 680 Intent intent = new Intent(DELAYED_KEYGUARD_ACTION); 681 intent.putExtra("seq", mDelayedShowingSequence); 682 PendingIntent sender = PendingIntent.getBroadcast(mContext, 683 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); 684 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, sender); 685 if (DEBUG) Log.d(TAG, "setting alarm to turn off keyguard, seq = " 686 + mDelayedShowingSequence); 687 } 688 } 689 690 private void cancelDoKeyguardLaterLocked() { 691 mDelayedShowingSequence++; 692 } 693 694 /** 695 * Let's us know the screen was turned on. 696 */ 697 public void onScreenTurnedOn(IKeyguardShowCallback callback) { 698 synchronized (this) { 699 mScreenOn = true; 700 cancelDoKeyguardLaterLocked(); 701 if (DEBUG) Log.d(TAG, "onScreenTurnedOn, seq = " + mDelayedShowingSequence); 702 if (callback != null) { 703 notifyScreenOnLocked(callback); 704 } 705 } 706 KeyguardUpdateMonitor.getInstance(mContext).dispatchScreenTurnedOn(); 707 maybeSendUserPresentBroadcast(); 708 } 709 710 private void maybeSendUserPresentBroadcast() { 711 if (mSystemReady && mLockPatternUtils.isLockScreenDisabled()) { 712 // Lock screen is disabled because the user has set the preference to "None". 713 // In this case, send out ACTION_USER_PRESENT here instead of in 714 // handleKeyguardDone() 715 sendUserPresentBroadcast(); 716 } 717 } 718 719 /** 720 * A dream started. We should lock after the usual screen-off lock timeout but only 721 * if there is a secure lock pattern. 722 */ 723 public void onDreamingStarted() { 724 synchronized (this) { 725 if (mScreenOn && mLockPatternUtils.isSecure()) { 726 doKeyguardLaterLocked(); 727 } 728 } 729 } 730 731 /** 732 * A dream stopped. 733 */ 734 public void onDreamingStopped() { 735 synchronized (this) { 736 if (mScreenOn) { 737 cancelDoKeyguardLaterLocked(); 738 } 739 } 740 } 741 742 /** 743 * Same semantics as {@link android.view.WindowManagerPolicy#enableKeyguard}; provide 744 * a way for external stuff to override normal keyguard behavior. For instance 745 * the phone app disables the keyguard when it receives incoming calls. 746 */ 747 public void setKeyguardEnabled(boolean enabled) { 748 synchronized (this) { 749 if (DEBUG) Log.d(TAG, "setKeyguardEnabled(" + enabled + ")"); 750 751 mExternallyEnabled = enabled; 752 753 if (!enabled && mShowing) { 754 if (mExitSecureCallback != null) { 755 if (DEBUG) Log.d(TAG, "in process of verifyUnlock request, ignoring"); 756 // we're in the process of handling a request to verify the user 757 // can get past the keyguard. ignore extraneous requests to disable / reenable 758 return; 759 } 760 761 // hiding keyguard that is showing, remember to reshow later 762 if (DEBUG) Log.d(TAG, "remembering to reshow, hiding keyguard, " 763 + "disabling status bar expansion"); 764 mNeedToReshowWhenReenabled = true; 765 updateInputRestrictedLocked(); 766 hideLocked(); 767 } else if (enabled && mNeedToReshowWhenReenabled) { 768 // reenabled after previously hidden, reshow 769 if (DEBUG) Log.d(TAG, "previously hidden, reshowing, reenabling " 770 + "status bar expansion"); 771 mNeedToReshowWhenReenabled = false; 772 updateInputRestrictedLocked(); 773 774 if (mExitSecureCallback != null) { 775 if (DEBUG) Log.d(TAG, "onKeyguardExitResult(false), resetting"); 776 try { 777 mExitSecureCallback.onKeyguardExitResult(false); 778 } catch (RemoteException e) { 779 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 780 } 781 mExitSecureCallback = null; 782 resetStateLocked(); 783 } else { 784 showLocked(null); 785 786 // block until we know the keygaurd is done drawing (and post a message 787 // to unblock us after a timeout so we don't risk blocking too long 788 // and causing an ANR). 789 mWaitingUntilKeyguardVisible = true; 790 mHandler.sendEmptyMessageDelayed(KEYGUARD_DONE_DRAWING, KEYGUARD_DONE_DRAWING_TIMEOUT_MS); 791 if (DEBUG) Log.d(TAG, "waiting until mWaitingUntilKeyguardVisible is false"); 792 while (mWaitingUntilKeyguardVisible) { 793 try { 794 wait(); 795 } catch (InterruptedException e) { 796 Thread.currentThread().interrupt(); 797 } 798 } 799 if (DEBUG) Log.d(TAG, "done waiting for mWaitingUntilKeyguardVisible"); 800 } 801 } 802 } 803 } 804 805 /** 806 * @see android.app.KeyguardManager#exitKeyguardSecurely 807 */ 808 public void verifyUnlock(IKeyguardExitCallback callback) { 809 synchronized (this) { 810 if (DEBUG) Log.d(TAG, "verifyUnlock"); 811 if (shouldWaitForProvisioning()) { 812 // don't allow this api when the device isn't provisioned 813 if (DEBUG) Log.d(TAG, "ignoring because device isn't provisioned"); 814 try { 815 callback.onKeyguardExitResult(false); 816 } catch (RemoteException e) { 817 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 818 } 819 } else if (mExternallyEnabled) { 820 // this only applies when the user has externally disabled the 821 // keyguard. this is unexpected and means the user is not 822 // using the api properly. 823 Log.w(TAG, "verifyUnlock called when not externally disabled"); 824 try { 825 callback.onKeyguardExitResult(false); 826 } catch (RemoteException e) { 827 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 828 } 829 } else if (mExitSecureCallback != null) { 830 // already in progress with someone else 831 try { 832 callback.onKeyguardExitResult(false); 833 } catch (RemoteException e) { 834 Slog.w(TAG, "Failed to call onKeyguardExitResult(false)", e); 835 } 836 } else { 837 mExitSecureCallback = callback; 838 verifyUnlockLocked(); 839 } 840 } 841 } 842 843 /** 844 * Is the keyguard currently showing and not being force hidden? 845 */ 846 public boolean isShowingAndNotOccluded() { 847 return mShowing && !mOccluded; 848 } 849 850 /** 851 * Notify us when the keyguard is occluded by another window 852 */ 853 public void setOccluded(boolean isOccluded) { 854 if (DEBUG) Log.d(TAG, "setOccluded " + isOccluded); 855 mHandler.removeMessages(SET_OCCLUDED); 856 Message msg = mHandler.obtainMessage(SET_OCCLUDED, (isOccluded ? 1 : 0), 0); 857 mHandler.sendMessage(msg); 858 } 859 860 /** 861 * Handles SET_OCCLUDED message sent by setOccluded() 862 */ 863 private void handleSetOccluded(boolean isOccluded) { 864 synchronized (KeyguardViewMediator.this) { 865 if (mOccluded != isOccluded) { 866 mOccluded = isOccluded; 867 mStatusBarKeyguardViewManager.setOccluded(isOccluded); 868 updateActivityLockScreenState(); 869 adjustStatusBarLocked(); 870 } 871 } 872 } 873 874 /** 875 * Used by PhoneWindowManager to enable the keyguard due to a user activity timeout. 876 * This must be safe to call from any thread and with any window manager locks held. 877 */ 878 public void doKeyguardTimeout(Bundle options) { 879 mHandler.removeMessages(KEYGUARD_TIMEOUT); 880 Message msg = mHandler.obtainMessage(KEYGUARD_TIMEOUT, options); 881 mHandler.sendMessage(msg); 882 } 883 884 /** 885 * Given the state of the keyguard, is the input restricted? 886 * Input is restricted when the keyguard is showing, or when the keyguard 887 * was suppressed by an app that disabled the keyguard or we haven't been provisioned yet. 888 */ 889 public boolean isInputRestricted() { 890 return mShowing || mNeedToReshowWhenReenabled || shouldWaitForProvisioning(); 891 } 892 893 private void updateInputRestricted() { 894 synchronized (this) { 895 updateInputRestrictedLocked(); 896 } 897 } 898 private void updateInputRestrictedLocked() { 899 boolean inputRestricted = isInputRestricted(); 900 if (mInputRestricted != inputRestricted) { 901 mInputRestricted = inputRestricted; 902 try { 903 int size = mKeyguardStateCallbacks.size(); 904 for (int i = 0; i < size; i++) { 905 mKeyguardStateCallbacks.get(i).onInputRestrictedStateChanged(inputRestricted); 906 } 907 } catch (RemoteException e) { 908 Slog.w(TAG, "Failed to call onDeviceProvisioned", e); 909 } 910 } 911 } 912 913 /** 914 * Enable the keyguard if the settings are appropriate. 915 */ 916 private void doKeyguardLocked(Bundle options) { 917 // if another app is disabling us, don't show 918 if (!mExternallyEnabled) { 919 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled"); 920 921 // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes 922 // for an occasional ugly flicker in this situation: 923 // 1) receive a call with the screen on (no keyguard) or make a call 924 // 2) screen times out 925 // 3) user hits key to turn screen back on 926 // instead, we reenable the keyguard when we know the screen is off and the call 927 // ends (see the broadcast receiver below) 928 // TODO: clean this up when we have better support at the window manager level 929 // for apps that wish to be on top of the keyguard 930 return; 931 } 932 933 // if the keyguard is already showing, don't bother 934 if (mStatusBarKeyguardViewManager.isShowing()) { 935 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because it is already showing"); 936 resetStateLocked(); 937 return; 938 } 939 940 // if the setup wizard hasn't run yet, don't show 941 final boolean requireSim = !SystemProperties.getBoolean("keyguard.no_require_sim", false); 942 final boolean absent = SubscriptionManager.isValidSubscriptionId( 943 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.ABSENT)); 944 final boolean disabled = SubscriptionManager.isValidSubscriptionId( 945 mUpdateMonitor.getNextSubIdForState(IccCardConstants.State.PERM_DISABLED)); 946 final boolean lockedOrMissing = mUpdateMonitor.isSimPinSecure() 947 || ((absent || disabled) && requireSim); 948 949 if (!lockedOrMissing && shouldWaitForProvisioning()) { 950 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because device isn't provisioned" 951 + " and the sim is not locked or missing"); 952 return; 953 } 954 955 if (mLockPatternUtils.isLockScreenDisabled() && !lockedOrMissing) { 956 if (DEBUG) Log.d(TAG, "doKeyguard: not showing because lockscreen is off"); 957 return; 958 } 959 960 if (mLockPatternUtils.checkVoldPassword()) { 961 if (DEBUG) Log.d(TAG, "Not showing lock screen since just decrypted"); 962 // Without this, settings is not enabled until the lock screen first appears 963 setShowingLocked(false); 964 hideLocked(); 965 return; 966 } 967 968 if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen"); 969 showLocked(options); 970 } 971 972 private boolean shouldWaitForProvisioning() { 973 return !mUpdateMonitor.isDeviceProvisioned() && !isSecure(); 974 } 975 976 /** 977 * Dismiss the keyguard through the security layers. 978 */ 979 public void handleDismiss() { 980 if (mShowing && !mOccluded) { 981 mStatusBarKeyguardViewManager.dismiss(); 982 } 983 } 984 985 public void dismiss() { 986 mHandler.sendEmptyMessage(DISMISS); 987 } 988 989 /** 990 * Send message to keyguard telling it to reset its state. 991 * @see #handleReset 992 */ 993 private void resetStateLocked() { 994 if (DEBUG) Log.e(TAG, "resetStateLocked"); 995 Message msg = mHandler.obtainMessage(RESET); 996 mHandler.sendMessage(msg); 997 } 998 999 /** 1000 * Send message to keyguard telling it to verify unlock 1001 * @see #handleVerifyUnlock() 1002 */ 1003 private void verifyUnlockLocked() { 1004 if (DEBUG) Log.d(TAG, "verifyUnlockLocked"); 1005 mHandler.sendEmptyMessage(VERIFY_UNLOCK); 1006 } 1007 1008 1009 /** 1010 * Send a message to keyguard telling it the screen just turned on. 1011 * @see #onScreenTurnedOff(int) 1012 * @see #handleNotifyScreenOff 1013 */ 1014 private void notifyScreenOffLocked() { 1015 if (DEBUG) Log.d(TAG, "notifyScreenOffLocked"); 1016 mHandler.sendEmptyMessage(NOTIFY_SCREEN_OFF); 1017 } 1018 1019 /** 1020 * Send a message to keyguard telling it the screen just turned on. 1021 * @see #onScreenTurnedOn 1022 * @see #handleNotifyScreenOn 1023 */ 1024 private void notifyScreenOnLocked(IKeyguardShowCallback result) { 1025 if (DEBUG) Log.d(TAG, "notifyScreenOnLocked"); 1026 Message msg = mHandler.obtainMessage(NOTIFY_SCREEN_ON, result); 1027 mHandler.sendMessage(msg); 1028 } 1029 1030 /** 1031 * Send message to keyguard telling it to show itself 1032 * @see #handleShow 1033 */ 1034 private void showLocked(Bundle options) { 1035 if (DEBUG) Log.d(TAG, "showLocked"); 1036 // ensure we stay awake until we are finished displaying the keyguard 1037 mShowKeyguardWakeLock.acquire(); 1038 Message msg = mHandler.obtainMessage(SHOW, options); 1039 mHandler.sendMessage(msg); 1040 } 1041 1042 /** 1043 * Send message to keyguard telling it to hide itself 1044 * @see #handleHide() 1045 */ 1046 private void hideLocked() { 1047 if (DEBUG) Log.d(TAG, "hideLocked"); 1048 Message msg = mHandler.obtainMessage(HIDE); 1049 mHandler.sendMessage(msg); 1050 } 1051 1052 public boolean isSecure() { 1053 return mLockPatternUtils.isSecure() 1054 || KeyguardUpdateMonitor.getInstance(mContext).isSimPinSecure(); 1055 } 1056 1057 /** 1058 * Update the newUserId. Call while holding WindowManagerService lock. 1059 * NOTE: Should only be called by KeyguardViewMediator in response to the user id changing. 1060 * 1061 * @param newUserId The id of the incoming user. 1062 */ 1063 public void setCurrentUser(int newUserId) { 1064 mLockPatternUtils.setCurrentUser(newUserId); 1065 } 1066 1067 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 1068 @Override 1069 public void onReceive(Context context, Intent intent) { 1070 if (DELAYED_KEYGUARD_ACTION.equals(intent.getAction())) { 1071 final int sequence = intent.getIntExtra("seq", 0); 1072 if (DEBUG) Log.d(TAG, "received DELAYED_KEYGUARD_ACTION with seq = " 1073 + sequence + ", mDelayedShowingSequence = " + mDelayedShowingSequence); 1074 synchronized (KeyguardViewMediator.this) { 1075 if (mDelayedShowingSequence == sequence) { 1076 // Don't play lockscreen SFX if the screen went off due to timeout. 1077 mSuppressNextLockSound = true; 1078 doKeyguardLocked(null); 1079 } 1080 } 1081 } 1082 } 1083 }; 1084 1085 public void keyguardDone(boolean authenticated, boolean wakeup) { 1086 if (DEBUG) Log.d(TAG, "keyguardDone(" + authenticated + ")"); 1087 EventLog.writeEvent(70000, 2); 1088 Message msg = mHandler.obtainMessage(KEYGUARD_DONE, authenticated ? 1 : 0, wakeup ? 1 : 0); 1089 mHandler.sendMessage(msg); 1090 } 1091 1092 /** 1093 * This handler will be associated with the policy thread, which will also 1094 * be the UI thread of the keyguard. Since the apis of the policy, and therefore 1095 * this class, can be called by other threads, any action that directly 1096 * interacts with the keyguard ui should be posted to this handler, rather 1097 * than called directly. 1098 */ 1099 private Handler mHandler = new Handler(Looper.myLooper(), null, true /*async*/) { 1100 @Override 1101 public void handleMessage(Message msg) { 1102 switch (msg.what) { 1103 case SHOW: 1104 handleShow((Bundle) msg.obj); 1105 break; 1106 case HIDE: 1107 handleHide(); 1108 break; 1109 case RESET: 1110 handleReset(); 1111 break; 1112 case VERIFY_UNLOCK: 1113 handleVerifyUnlock(); 1114 break; 1115 case NOTIFY_SCREEN_OFF: 1116 handleNotifyScreenOff(); 1117 break; 1118 case NOTIFY_SCREEN_ON: 1119 handleNotifyScreenOn((IKeyguardShowCallback) msg.obj); 1120 break; 1121 case KEYGUARD_DONE: 1122 handleKeyguardDone(msg.arg1 != 0, msg.arg2 != 0); 1123 break; 1124 case KEYGUARD_DONE_DRAWING: 1125 handleKeyguardDoneDrawing(); 1126 break; 1127 case KEYGUARD_DONE_AUTHENTICATING: 1128 keyguardDone(true, true); 1129 break; 1130 case SET_OCCLUDED: 1131 handleSetOccluded(msg.arg1 != 0); 1132 break; 1133 case KEYGUARD_TIMEOUT: 1134 synchronized (KeyguardViewMediator.this) { 1135 doKeyguardLocked((Bundle) msg.obj); 1136 } 1137 break; 1138 case DISMISS: 1139 handleDismiss(); 1140 break; 1141 case START_KEYGUARD_EXIT_ANIM: 1142 StartKeyguardExitAnimParams params = (StartKeyguardExitAnimParams) msg.obj; 1143 handleStartKeyguardExitAnimation(params.startTime, params.fadeoutDuration); 1144 break; 1145 case KEYGUARD_DONE_PENDING_TIMEOUT: 1146 Log.w(TAG, "Timeout while waiting for activity drawn!"); 1147 // Fall through. 1148 case ON_ACTIVITY_DRAWN: 1149 handleOnActivityDrawn(); 1150 break; 1151 } 1152 } 1153 }; 1154 1155 /** 1156 * @see #keyguardDone 1157 * @see #KEYGUARD_DONE 1158 */ 1159 private void handleKeyguardDone(boolean authenticated, boolean wakeup) { 1160 if (DEBUG) Log.d(TAG, "handleKeyguardDone"); 1161 synchronized (this) { 1162 resetKeyguardDonePendingLocked(); 1163 } 1164 1165 if (authenticated) { 1166 mUpdateMonitor.clearFailedUnlockAttempts(); 1167 } 1168 mUpdateMonitor.clearFingerprintRecognized(); 1169 1170 if (mExitSecureCallback != null) { 1171 try { 1172 mExitSecureCallback.onKeyguardExitResult(authenticated); 1173 } catch (RemoteException e) { 1174 Slog.w(TAG, "Failed to call onKeyguardExitResult(" + authenticated + ")", e); 1175 } 1176 1177 mExitSecureCallback = null; 1178 1179 if (authenticated) { 1180 // after succesfully exiting securely, no need to reshow 1181 // the keyguard when they've released the lock 1182 mExternallyEnabled = true; 1183 mNeedToReshowWhenReenabled = false; 1184 updateInputRestricted(); 1185 } 1186 } 1187 1188 handleHide(); 1189 } 1190 1191 private void sendUserPresentBroadcast() { 1192 synchronized (this) { 1193 if (mBootCompleted) { 1194 final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser()); 1195 final UserManager um = (UserManager) mContext.getSystemService( 1196 Context.USER_SERVICE); 1197 List <UserInfo> userHandles = um.getProfiles(currentUser.getIdentifier()); 1198 for (UserInfo ui : userHandles) { 1199 mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, ui.getUserHandle()); 1200 } 1201 } else { 1202 mBootSendUserPresent = true; 1203 } 1204 } 1205 } 1206 1207 /** 1208 * @see #keyguardDone 1209 * @see #KEYGUARD_DONE_DRAWING 1210 */ 1211 private void handleKeyguardDoneDrawing() { 1212 synchronized(this) { 1213 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing"); 1214 if (mWaitingUntilKeyguardVisible) { 1215 if (DEBUG) Log.d(TAG, "handleKeyguardDoneDrawing: notifying mWaitingUntilKeyguardVisible"); 1216 mWaitingUntilKeyguardVisible = false; 1217 notifyAll(); 1218 1219 // there will usually be two of these sent, one as a timeout, and one 1220 // as a result of the callback, so remove any remaining messages from 1221 // the queue 1222 mHandler.removeMessages(KEYGUARD_DONE_DRAWING); 1223 } 1224 } 1225 } 1226 1227 private void playSounds(boolean locked) { 1228 // User feedback for keyguard. 1229 1230 if (mSuppressNextLockSound) { 1231 mSuppressNextLockSound = false; 1232 return; 1233 } 1234 1235 playSound(locked ? mLockSoundId : mUnlockSoundId); 1236 } 1237 1238 private void playSound(int soundId) { 1239 if (soundId == 0) return; 1240 final ContentResolver cr = mContext.getContentResolver(); 1241 if (Settings.System.getInt(cr, Settings.System.LOCKSCREEN_SOUNDS_ENABLED, 1) == 1) { 1242 1243 mLockSounds.stop(mLockSoundStreamId); 1244 // Init mAudioManager 1245 if (mAudioManager == null) { 1246 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 1247 if (mAudioManager == null) return; 1248 mUiSoundsStreamType = mAudioManager.getUiSoundsStreamType(); 1249 } 1250 // If the stream is muted, don't play the sound 1251 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return; 1252 1253 mLockSoundStreamId = mLockSounds.play(soundId, 1254 mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/); 1255 } 1256 } 1257 1258 private void playTrustedSound() { 1259 if (mSuppressNextLockSound) { 1260 return; 1261 } 1262 playSound(mTrustedSoundId); 1263 } 1264 1265 private void updateActivityLockScreenState() { 1266 try { 1267 ActivityManagerNative.getDefault().setLockScreenShown(mShowing && !mOccluded); 1268 } catch (RemoteException e) { 1269 } 1270 } 1271 1272 /** 1273 * Handle message sent by {@link #showLocked}. 1274 * @see #SHOW 1275 */ 1276 private void handleShow(Bundle options) { 1277 synchronized (KeyguardViewMediator.this) { 1278 if (!mSystemReady) { 1279 if (DEBUG) Log.d(TAG, "ignoring handleShow because system is not ready."); 1280 return; 1281 } else { 1282 if (DEBUG) Log.d(TAG, "handleShow"); 1283 } 1284 1285 setShowingLocked(true); 1286 mStatusBarKeyguardViewManager.show(options); 1287 mHiding = false; 1288 resetKeyguardDonePendingLocked(); 1289 mHideAnimationRun = false; 1290 updateActivityLockScreenState(); 1291 adjustStatusBarLocked(); 1292 userActivity(); 1293 1294 // Do this at the end to not slow down display of the keyguard. 1295 playSounds(true); 1296 1297 mShowKeyguardWakeLock.release(); 1298 } 1299 mKeyguardDisplayManager.show(); 1300 } 1301 1302 private final Runnable mKeyguardGoingAwayRunnable = new Runnable() { 1303 @Override 1304 public void run() { 1305 try { 1306 mStatusBarKeyguardViewManager.keyguardGoingAway(); 1307 1308 // Don't actually hide the Keyguard at the moment, wait for window 1309 // manager until it tells us it's safe to do so with 1310 // startKeyguardExitAnimation. 1311 mWM.keyguardGoingAway( 1312 mStatusBarKeyguardViewManager.shouldDisableWindowAnimationsForUnlock(), 1313 mStatusBarKeyguardViewManager.isGoingToNotificationShade()); 1314 } catch (RemoteException e) { 1315 Log.e(TAG, "Error while calling WindowManager", e); 1316 } 1317 } 1318 }; 1319 1320 /** 1321 * Handle message sent by {@link #hideLocked()} 1322 * @see #HIDE 1323 */ 1324 private void handleHide() { 1325 synchronized (KeyguardViewMediator.this) { 1326 if (DEBUG) Log.d(TAG, "handleHide"); 1327 1328 mHiding = true; 1329 if (mShowing && !mOccluded) { 1330 if (!mHideAnimationRun) { 1331 mStatusBarKeyguardViewManager.startPreHideAnimation(mKeyguardGoingAwayRunnable); 1332 } else { 1333 mKeyguardGoingAwayRunnable.run(); 1334 } 1335 } else { 1336 1337 // Don't try to rely on WindowManager - if Keyguard wasn't showing, window 1338 // manager won't start the exit animation. 1339 handleStartKeyguardExitAnimation( 1340 SystemClock.uptimeMillis() + mHideAnimation.getStartOffset(), 1341 mHideAnimation.getDuration()); 1342 } 1343 } 1344 } 1345 1346 private void handleOnActivityDrawn() { 1347 if (DEBUG) Log.d(TAG, "handleOnActivityDrawn: mKeyguardDonePending=" + mKeyguardDonePending); 1348 if (mKeyguardDonePending) { 1349 mStatusBarKeyguardViewManager.onActivityDrawn(); 1350 } 1351 } 1352 1353 private void handleStartKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1354 synchronized (KeyguardViewMediator.this) { 1355 1356 if (!mHiding) { 1357 return; 1358 } 1359 mHiding = false; 1360 1361 // only play "unlock" noises if not on a call (since the incall UI 1362 // disables the keyguard) 1363 if (TelephonyManager.EXTRA_STATE_IDLE.equals(mPhoneState)) { 1364 playSounds(false); 1365 } 1366 1367 setShowingLocked(false); 1368 mStatusBarKeyguardViewManager.hide(startTime, fadeoutDuration); 1369 resetKeyguardDonePendingLocked(); 1370 mHideAnimationRun = false; 1371 updateActivityLockScreenState(); 1372 adjustStatusBarLocked(); 1373 sendUserPresentBroadcast(); 1374 } 1375 } 1376 1377 private void adjustStatusBarLocked() { 1378 if (mStatusBarManager == null) { 1379 mStatusBarManager = (StatusBarManager) 1380 mContext.getSystemService(Context.STATUS_BAR_SERVICE); 1381 } 1382 if (mStatusBarManager == null) { 1383 Log.w(TAG, "Could not get status bar manager"); 1384 } else { 1385 // Disable aspects of the system/status/navigation bars that must not be re-enabled by 1386 // windows that appear on top, ever 1387 int flags = StatusBarManager.DISABLE_NONE; 1388 if (mShowing) { 1389 // Permanently disable components not available when keyguard is enabled 1390 // (like recents). Temporary enable/disable (e.g. the "back" button) are 1391 // done in KeyguardHostView. 1392 flags |= StatusBarManager.DISABLE_RECENT; 1393 flags |= StatusBarManager.DISABLE_SEARCH; 1394 } 1395 if (isShowingAndNotOccluded()) { 1396 flags |= StatusBarManager.DISABLE_HOME; 1397 } 1398 1399 if (DEBUG) { 1400 Log.d(TAG, "adjustStatusBarLocked: mShowing=" + mShowing + " mOccluded=" + mOccluded 1401 + " isSecure=" + isSecure() + " --> flags=0x" + Integer.toHexString(flags)); 1402 } 1403 1404 if (!(mContext instanceof Activity)) { 1405 mStatusBarManager.disable(flags); 1406 } 1407 } 1408 } 1409 1410 /** 1411 * Handle message sent by {@link #resetStateLocked} 1412 * @see #RESET 1413 */ 1414 private void handleReset() { 1415 synchronized (KeyguardViewMediator.this) { 1416 if (DEBUG) Log.d(TAG, "handleReset"); 1417 mStatusBarKeyguardViewManager.reset(); 1418 } 1419 } 1420 1421 /** 1422 * Handle message sent by {@link #verifyUnlock} 1423 * @see #VERIFY_UNLOCK 1424 */ 1425 private void handleVerifyUnlock() { 1426 synchronized (KeyguardViewMediator.this) { 1427 if (DEBUG) Log.d(TAG, "handleVerifyUnlock"); 1428 setShowingLocked(true); 1429 mStatusBarKeyguardViewManager.verifyUnlock(); 1430 updateActivityLockScreenState(); 1431 } 1432 } 1433 1434 /** 1435 * Handle message sent by {@link #notifyScreenOffLocked()} 1436 * @see #NOTIFY_SCREEN_OFF 1437 */ 1438 private void handleNotifyScreenOff() { 1439 synchronized (KeyguardViewMediator.this) { 1440 if (DEBUG) Log.d(TAG, "handleNotifyScreenOff"); 1441 mStatusBarKeyguardViewManager.onScreenTurnedOff(); 1442 } 1443 } 1444 1445 /** 1446 * Handle message sent by {@link #notifyScreenOnLocked} 1447 * @see #NOTIFY_SCREEN_ON 1448 */ 1449 private void handleNotifyScreenOn(IKeyguardShowCallback callback) { 1450 synchronized (KeyguardViewMediator.this) { 1451 if (DEBUG) Log.d(TAG, "handleNotifyScreenOn"); 1452 mStatusBarKeyguardViewManager.onScreenTurnedOn(callback); 1453 } 1454 } 1455 1456 private void resetKeyguardDonePendingLocked() { 1457 mKeyguardDonePending = false; 1458 mHandler.removeMessages(KEYGUARD_DONE_PENDING_TIMEOUT); 1459 } 1460 1461 public void onBootCompleted() { 1462 mUpdateMonitor.dispatchBootCompleted(); 1463 synchronized (this) { 1464 mBootCompleted = true; 1465 if (mBootSendUserPresent) { 1466 sendUserPresentBroadcast(); 1467 } 1468 } 1469 } 1470 1471 public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar, 1472 ViewGroup container, StatusBarWindowManager statusBarWindowManager, 1473 ScrimController scrimController) { 1474 mStatusBarKeyguardViewManager.registerStatusBar(phoneStatusBar, container, 1475 statusBarWindowManager, scrimController); 1476 return mStatusBarKeyguardViewManager; 1477 } 1478 1479 public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { 1480 Message msg = mHandler.obtainMessage(START_KEYGUARD_EXIT_ANIM, 1481 new StartKeyguardExitAnimParams(startTime, fadeoutDuration)); 1482 mHandler.sendMessage(msg); 1483 } 1484 1485 public void onActivityDrawn() { 1486 mHandler.sendEmptyMessage(ON_ACTIVITY_DRAWN); 1487 } 1488 public ViewMediatorCallback getViewMediatorCallback() { 1489 return mViewMediatorCallback; 1490 } 1491 1492 private static class StartKeyguardExitAnimParams { 1493 1494 long startTime; 1495 long fadeoutDuration; 1496 1497 private StartKeyguardExitAnimParams(long startTime, long fadeoutDuration) { 1498 this.startTime = startTime; 1499 this.fadeoutDuration = fadeoutDuration; 1500 } 1501 } 1502 1503 private void setShowingLocked(boolean showing) { 1504 if (showing != mShowing) { 1505 mShowing = showing; 1506 try { 1507 int size = mKeyguardStateCallbacks.size(); 1508 for (int i = 0; i < size; i++) { 1509 mKeyguardStateCallbacks.get(i).onShowingStateChanged(showing); 1510 } 1511 } catch (RemoteException e) { 1512 Slog.w(TAG, "Failed to call onShowingStateChanged", e); 1513 } 1514 updateInputRestrictedLocked(); 1515 mTrustManager.reportKeyguardShowingChanged(); 1516 } 1517 } 1518 1519 public void addStateMonitorCallback(IKeyguardStateCallback callback) { 1520 synchronized (this) { 1521 mKeyguardStateCallbacks.add(callback); 1522 try { 1523 callback.onSimSecureStateChanged(mUpdateMonitor.isSimPinSecure()); 1524 callback.onShowingStateChanged(mShowing); 1525 } catch (RemoteException e) { 1526 Slog.w(TAG, "Failed to call onShowingStateChanged or onSimSecureStateChanged", e); 1527 } 1528 } 1529 } 1530} 1531