summaryrefslogtreecommitdiff
path: root/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardService.java
blob: f1a8c95469f64c70b333ea491274aee35c604b84 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */

package com.android.systemui.keyguard;

import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.view.RemoteAnimationTarget.MODE_CLOSING;
import static android.view.RemoteAnimationTarget.MODE_OPENING;
import static android.view.WindowManager.TRANSIT_CLOSE;
import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY;
import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_LOCKED;
import static android.view.WindowManager.TRANSIT_KEYGUARD_GOING_AWAY;
import static android.view.WindowManager.TRANSIT_KEYGUARD_OCCLUDE;
import static android.view.WindowManager.TRANSIT_KEYGUARD_UNOCCLUDE;
import static android.view.WindowManager.TRANSIT_OLD_KEYGUARD_GOING_AWAY;
import static android.view.WindowManager.TRANSIT_OLD_KEYGUARD_GOING_AWAY_ON_WALLPAPER;
import static android.view.WindowManager.TRANSIT_OLD_KEYGUARD_OCCLUDE;
import static android.view.WindowManager.TRANSIT_OLD_KEYGUARD_OCCLUDE_BY_DREAM;
import static android.view.WindowManager.TRANSIT_OLD_KEYGUARD_UNOCCLUDE;
import static android.view.WindowManager.TRANSIT_OLD_NONE;
import static android.view.WindowManager.TRANSIT_OPEN;
import static android.view.WindowManager.TRANSIT_TO_BACK;
import static android.view.WindowManager.TRANSIT_TO_FRONT;
import static android.view.WindowManager.TransitionFlags;
import static android.view.WindowManager.TransitionOldType;
import static android.view.WindowManager.TransitionType;
import static android.window.TransitionInfo.FLAG_OCCLUDES_KEYGUARD;

import android.app.ActivityManager;
import android.app.ActivityTaskManager;
import android.app.Service;
import android.app.WindowConfiguration;
import android.content.Intent;
import android.graphics.Point;
import android.graphics.Rect;
import android.os.Binder;
import android.os.Bundle;
import android.os.Debug;
import android.os.IBinder;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.SystemProperties;
import android.os.Trace;
import android.util.ArrayMap;
import android.util.Log;
import android.util.Slog;
import android.view.IRemoteAnimationFinishedCallback;
import android.view.IRemoteAnimationRunner;
import android.view.RemoteAnimationAdapter;
import android.view.RemoteAnimationDefinition;
import android.view.RemoteAnimationTarget;
import android.view.SurfaceControl;
import android.view.WindowManager;
import android.view.WindowManagerPolicyConstants;
import android.window.IRemoteTransition;
import android.window.IRemoteTransitionFinishedCallback;
import android.window.RemoteTransition;
import android.window.TransitionFilter;
import android.window.TransitionInfo;

import com.android.internal.policy.IKeyguardDismissCallback;
import com.android.internal.policy.IKeyguardDrawnCallback;
import com.android.internal.policy.IKeyguardExitCallback;
import com.android.internal.policy.IKeyguardService;
import com.android.internal.policy.IKeyguardStateCallback;
import com.android.keyguard.mediator.ScreenOnCoordinator;
import com.android.systemui.SystemUIApplication;
import com.android.systemui.settings.DisplayTracker;
import com.android.wm.shell.transition.ShellTransitions;
import com.android.wm.shell.transition.Transitions;

import java.util.ArrayList;

import javax.inject.Inject;

public class KeyguardService extends Service {
    static final String TAG = "KeyguardService";
    static final String PERMISSION = android.Manifest.permission.CONTROL_KEYGUARD;

    /**
     * Run Keyguard animation as remote animation in System UI instead of local animation in
     * the server process.
     *
     * 0: Runs all keyguard animation as local animation
     * 1: Only runs keyguard going away animation as remote animation
     * 2: Runs all keyguard animation as remote animation
     *
     * Note: Must be consistent with WindowManagerService.
     */
    private static final String ENABLE_REMOTE_KEYGUARD_ANIMATION_PROPERTY =
            "persist.wm.enable_remote_keyguard_animation";

    private static final int sEnableRemoteKeyguardAnimation =
            SystemProperties.getInt(ENABLE_REMOTE_KEYGUARD_ANIMATION_PROPERTY, 2);

    /**
     * @see #ENABLE_REMOTE_KEYGUARD_ANIMATION_PROPERTY
     */
    public static boolean sEnableRemoteKeyguardGoingAwayAnimation =
            sEnableRemoteKeyguardAnimation >= 1;

    /**
     * @see #ENABLE_REMOTE_KEYGUARD_ANIMATION_PROPERTY
     */
    public static boolean sEnableRemoteKeyguardOccludeAnimation =
            sEnableRemoteKeyguardAnimation >= 2;

    private final KeyguardViewMediator mKeyguardViewMediator;
    private final KeyguardLifecyclesDispatcher mKeyguardLifecyclesDispatcher;
    private final ScreenOnCoordinator mScreenOnCoordinator;
    private final ShellTransitions mShellTransitions;
    private final DisplayTracker mDisplayTracker;

    private static int newModeToLegacyMode(int newMode) {
        switch (newMode) {
            case WindowManager.TRANSIT_OPEN:
            case WindowManager.TRANSIT_TO_FRONT:
                return MODE_OPENING;
            case WindowManager.TRANSIT_CLOSE:
            case WindowManager.TRANSIT_TO_BACK:
                return MODE_CLOSING;
            default:
                return 2; // MODE_CHANGING
        }
    }

    private static RemoteAnimationTarget[] wrap(TransitionInfo info, boolean wallpapers) {
        final ArrayList<RemoteAnimationTarget> out = new ArrayList<>();
        for (int i = 0; i < info.getChanges().size(); i++) {
            boolean changeIsWallpaper =
                    (info.getChanges().get(i).getFlags() & TransitionInfo.FLAG_IS_WALLPAPER) != 0;
            if (wallpapers != changeIsWallpaper) continue;

            final TransitionInfo.Change change = info.getChanges().get(i);
            final ActivityManager.RunningTaskInfo taskInfo = change.getTaskInfo();
            final int taskId = taskInfo != null ? change.getTaskInfo().taskId : -1;
            boolean isNotInRecents;
            WindowConfiguration windowConfiguration = null;
            if (taskInfo != null) {
                if (taskInfo.getConfiguration() != null) {
                    windowConfiguration =
                            change.getTaskInfo().getConfiguration().windowConfiguration;
                }
                isNotInRecents = !change.getTaskInfo().isRunning;
            } else {
                isNotInRecents = true;
            }
            Rect localBounds = new Rect(change.getEndAbsBounds());
            localBounds.offsetTo(change.getEndRelOffset().x, change.getEndRelOffset().y);

            final RemoteAnimationTarget target = new RemoteAnimationTarget(
                    taskId,
                    newModeToLegacyMode(change.getMode()),
                    change.getLeash(),
                    (change.getFlags() & TransitionInfo.FLAG_TRANSLUCENT) != 0
                            || (change.getFlags() & TransitionInfo.FLAG_SHOW_WALLPAPER) != 0,
                    null /* clipRect */,
                    new Rect(0, 0, 0, 0) /* contentInsets */,
                    info.getChanges().size() - i,
                    new Point(), localBounds, new Rect(change.getEndAbsBounds()),
                    windowConfiguration, isNotInRecents, null /* startLeash */,
                    change.getStartAbsBounds(), taskInfo, false /* allowEnterPip */);
            // Use hasAnimatingParent to mark the anything below root task
            if (taskId != -1 && change.getParent() != null) {
                final TransitionInfo.Change parentChange = info.getChange(change.getParent());
                if (parentChange != null && parentChange.getTaskInfo() != null) {
                    target.hasAnimatingParent = true;
                }
            }
            out.add(target);
        }
        return out.toArray(new RemoteAnimationTarget[out.size()]);
    }

    private static @TransitionOldType int getTransitionOldType(@TransitionType int type,
            @TransitionFlags int flags, RemoteAnimationTarget[] apps) {
        if (type == TRANSIT_KEYGUARD_GOING_AWAY
                || (flags & TRANSIT_FLAG_KEYGUARD_GOING_AWAY) != 0) {
            return apps.length == 0 ? TRANSIT_OLD_KEYGUARD_GOING_AWAY_ON_WALLPAPER
                    : TRANSIT_OLD_KEYGUARD_GOING_AWAY;
        } else if (type == TRANSIT_KEYGUARD_OCCLUDE) {
            boolean isOccludeByDream = apps.length > 0 && apps[0].taskInfo.topActivityType
                    == WindowConfiguration.ACTIVITY_TYPE_DREAM;
            if (isOccludeByDream) return TRANSIT_OLD_KEYGUARD_OCCLUDE_BY_DREAM;
            return TRANSIT_OLD_KEYGUARD_OCCLUDE;
        } else if (type == TRANSIT_KEYGUARD_UNOCCLUDE) {
            return TRANSIT_OLD_KEYGUARD_UNOCCLUDE;
        } else {
            Slog.d(TAG, "Unexpected transit type: " + type);
            return TRANSIT_OLD_NONE;
        }
    }

    // Wrap Keyguard going away animation.
    // Note: Also used for wrapping occlude by Dream animation. It works (with some redundancy).
    private static IRemoteTransition wrap(IRemoteAnimationRunner runner) {
        return new IRemoteTransition.Stub() {
            final ArrayMap<IBinder, IRemoteTransitionFinishedCallback> mFinishCallbacks =
                    new ArrayMap<>();

            @Override
            public void startAnimation(IBinder transition, TransitionInfo info,
                    SurfaceControl.Transaction t, IRemoteTransitionFinishedCallback finishCallback)
                    throws RemoteException {
                Slog.d(TAG, "Starts IRemoteAnimationRunner: info=" + info);
                final RemoteAnimationTarget[] apps = wrap(info, false /* wallpapers */);
                final RemoteAnimationTarget[] wallpapers = wrap(info, true /* wallpapers */);
                final RemoteAnimationTarget[] nonApps = new RemoteAnimationTarget[0];

                // Sets the alpha to 0 for the opening root task for fade in animation. And since
                // the fade in animation can only apply on the first opening app, so set alpha to 1
                // for anything else.
                boolean foundOpening = false;
                for (RemoteAnimationTarget target : apps) {
                    if (target.taskId != -1
                            && target.mode == RemoteAnimationTarget.MODE_OPENING
                            && !target.hasAnimatingParent) {
                        if (foundOpening) {
                            Log.w(TAG, "More than one opening target");
                            t.setAlpha(target.leash, 1.0f);
                            continue;
                        }
                        t.setAlpha(target.leash, 0.0f);
                        foundOpening = true;
                    } else {
                        t.setAlpha(target.leash, 1.0f);
                    }
                }
                t.apply();
                synchronized (mFinishCallbacks) {
                    mFinishCallbacks.put(transition, finishCallback);
                }
                runner.onAnimationStart(getTransitionOldType(info.getType(), info.getFlags(), apps),
                        apps, wallpapers, nonApps,
                        new IRemoteAnimationFinishedCallback.Stub() {
                            @Override
                            public void onAnimationFinished() throws RemoteException {
                                synchronized (mFinishCallbacks) {
                                    if (mFinishCallbacks.remove(transition) == null) return;
                                }
                                info.releaseAllSurfaces();
                                Slog.d(TAG, "Finish IRemoteAnimationRunner.");
                                finishCallback.onTransitionFinished(null /* wct */, null /* t */);
                            }
                        }
                );
            }

            public void mergeAnimation(IBinder candidateTransition, TransitionInfo candidateInfo,
                    SurfaceControl.Transaction candidateT, IBinder currentTransition,
                    IRemoteTransitionFinishedCallback candidateFinishCallback) {
                try {
                    final IRemoteTransitionFinishedCallback currentFinishCB;
                    synchronized (mFinishCallbacks) {
                        currentFinishCB = mFinishCallbacks.remove(currentTransition);
                    }
                    if (currentFinishCB == null) {
                        Slog.e(TAG, "Called mergeAnimation, but finish callback is missing");
                        return;
                    }
                    runner.onAnimationCancelled(false /* isKeyguardOccluded */);
                    currentFinishCB.onTransitionFinished(null /* wct */, null /* t */);
                } catch (RemoteException e) {
                    // nothing, we'll just let it finish on its own I guess.
                }
            }
        };
    }

    @Inject
    public KeyguardService(KeyguardViewMediator keyguardViewMediator,
                           KeyguardLifecyclesDispatcher keyguardLifecyclesDispatcher,
                           ScreenOnCoordinator screenOnCoordinator,
                           ShellTransitions shellTransitions,
                           DisplayTracker displayTracker) {
        super();
        mKeyguardViewMediator = keyguardViewMediator;
        mKeyguardLifecyclesDispatcher = keyguardLifecyclesDispatcher;
        mScreenOnCoordinator = screenOnCoordinator;
        mShellTransitions = shellTransitions;
        mDisplayTracker = displayTracker;
    }

    @Override
    public void onCreate() {
        ((SystemUIApplication) getApplication()).startServicesIfNeeded();

        if (mShellTransitions == null || !Transitions.ENABLE_SHELL_TRANSITIONS) {
            RemoteAnimationDefinition definition = new RemoteAnimationDefinition();
            if (sEnableRemoteKeyguardGoingAwayAnimation) {
                final RemoteAnimationAdapter exitAnimationAdapter =
                        new RemoteAnimationAdapter(mExitAnimationRunner, 0, 0);
                definition.addRemoteAnimation(TRANSIT_OLD_KEYGUARD_GOING_AWAY,
                        exitAnimationAdapter);
                definition.addRemoteAnimation(TRANSIT_OLD_KEYGUARD_GOING_AWAY_ON_WALLPAPER,
                        exitAnimationAdapter);
            }
            if (sEnableRemoteKeyguardOccludeAnimation) {
                final RemoteAnimationAdapter occludeAnimationAdapter =
                        new RemoteAnimationAdapter(
                                mKeyguardViewMediator.getOccludeAnimationRunner(), 0, 0);
                definition.addRemoteAnimation(TRANSIT_OLD_KEYGUARD_OCCLUDE,
                        occludeAnimationAdapter);

                final RemoteAnimationAdapter occludeByDreamAnimationAdapter =
                        new RemoteAnimationAdapter(
                                mKeyguardViewMediator.getOccludeByDreamAnimationRunner(), 0, 0);
                definition.addRemoteAnimation(TRANSIT_OLD_KEYGUARD_OCCLUDE_BY_DREAM,
                        occludeByDreamAnimationAdapter);

                final RemoteAnimationAdapter unoccludeAnimationAdapter =
                        new RemoteAnimationAdapter(
                                mKeyguardViewMediator.getUnoccludeAnimationRunner(), 0, 0);
                definition.addRemoteAnimation(TRANSIT_OLD_KEYGUARD_UNOCCLUDE,
                        unoccludeAnimationAdapter);
            }
            ActivityTaskManager.getInstance().registerRemoteAnimationsForDisplay(
                    mDisplayTracker.getDefaultDisplayId(), definition);
            return;
        }
        if (sEnableRemoteKeyguardGoingAwayAnimation) {
            Slog.d(TAG, "KeyguardService registerRemote: TRANSIT_KEYGUARD_GOING_AWAY");
            TransitionFilter f = new TransitionFilter();
            f.mFlags = TRANSIT_FLAG_KEYGUARD_GOING_AWAY;
            mShellTransitions.registerRemote(f,
                    new RemoteTransition(wrap(mExitAnimationRunner), getIApplicationThread()));
        }
        if (sEnableRemoteKeyguardOccludeAnimation) {
            Slog.d(TAG, "KeyguardService registerRemote: TRANSIT_KEYGUARD_(UN)OCCLUDE");
            // Register for occluding
            final RemoteTransition occludeTransition = new RemoteTransition(
                    mOccludeAnimation, getIApplicationThread());
            TransitionFilter f = new TransitionFilter();
            f.mFlags = TRANSIT_FLAG_KEYGUARD_LOCKED;
            f.mRequirements = new TransitionFilter.Requirement[]{
                    new TransitionFilter.Requirement(), new TransitionFilter.Requirement()};
            // First require at-least one app showing that occludes.
            f.mRequirements[0].mMustBeIndependent = false;
            f.mRequirements[0].mFlags = FLAG_OCCLUDES_KEYGUARD;
            f.mRequirements[0].mModes = new int[]{TRANSIT_OPEN, TRANSIT_TO_FRONT};
            // Then require that we aren't closing any occludes (because this would mean a
            // regular task->task or activity->activity animation not involving keyguard).
            f.mRequirements[1].mNot = true;
            f.mRequirements[1].mMustBeIndependent = false;
            f.mRequirements[1].mFlags = FLAG_OCCLUDES_KEYGUARD;
            f.mRequirements[1].mModes = new int[]{TRANSIT_CLOSE, TRANSIT_TO_BACK};
            mShellTransitions.registerRemote(f, occludeTransition);

            // Now register for un-occlude.
            final RemoteTransition unoccludeTransition = new RemoteTransition(
                    mUnoccludeAnimation, getIApplicationThread());
            f = new TransitionFilter();
            f.mFlags = TRANSIT_FLAG_KEYGUARD_LOCKED;
            f.mRequirements = new TransitionFilter.Requirement[]{
                    new TransitionFilter.Requirement(), new TransitionFilter.Requirement()};
            // First require at-least one app going-away (doesn't need occlude flag
            // as that is implicit by it having been visible and we don't want to exclude
            // cases where we are un-occluding because the app removed its showWhenLocked
            // capability at runtime).
            f.mRequirements[1].mMustBeIndependent = false;
            f.mRequirements[1].mModes = new int[]{TRANSIT_CLOSE, TRANSIT_TO_BACK};
            f.mRequirements[1].mMustBeTask = true;
            // Then require that we aren't opening any occludes (otherwise we'd remain
            // occluded).
            f.mRequirements[0].mNot = true;
            f.mRequirements[0].mMustBeIndependent = false;
            f.mRequirements[0].mFlags = FLAG_OCCLUDES_KEYGUARD;
            f.mRequirements[0].mModes = new int[]{TRANSIT_OPEN, TRANSIT_TO_FRONT};
            mShellTransitions.registerRemote(f, unoccludeTransition);

            // Register for specific transition type.
            // Above filter cannot fulfill all conditions.
            // E.g. close top activity while screen off but next activity is occluded, this should
            // an occluded transition, but since the activity is invisible, the condition would
            // match unoccluded transition.
            // But on the contrary, if we add above condition in occluded transition, then when user
            // trying to dismiss occluded activity when unlock keyguard, the condition would match
            // occluded transition.
            f = new TransitionFilter();
            f.mTypeSet = new int[]{TRANSIT_KEYGUARD_OCCLUDE};
            mShellTransitions.registerRemote(f, occludeTransition);

            f = new TransitionFilter();
            f.mTypeSet = new int[]{TRANSIT_KEYGUARD_UNOCCLUDE};
            mShellTransitions.registerRemote(f, unoccludeTransition);

            Slog.d(TAG, "KeyguardService registerRemote: TRANSIT_KEYGUARD_OCCLUDE for DREAM");
            // Register for occluding by Dream
            f = new TransitionFilter();
            f.mFlags = TRANSIT_FLAG_KEYGUARD_LOCKED;
            f.mRequirements = new TransitionFilter.Requirement[]{
                    new TransitionFilter.Requirement(), new TransitionFilter.Requirement()};
            // First require at-least one app of type DREAM showing that occludes.
            f.mRequirements[0].mActivityType = WindowConfiguration.ACTIVITY_TYPE_DREAM;
            f.mRequirements[0].mMustBeIndependent = false;
            f.mRequirements[0].mFlags = FLAG_OCCLUDES_KEYGUARD;
            f.mRequirements[0].mModes = new int[]{TRANSIT_OPEN, TRANSIT_TO_FRONT};
            // Then require that we aren't closing any occludes (because this would mean a
            // regular task->task or activity->activity animation not involving keyguard).
            f.mRequirements[1].mNot = true;
            f.mRequirements[1].mMustBeIndependent = false;
            f.mRequirements[1].mFlags = FLAG_OCCLUDES_KEYGUARD;
            f.mRequirements[1].mModes = new int[]{TRANSIT_CLOSE, TRANSIT_TO_BACK};
            mShellTransitions.registerRemote(f, new RemoteTransition(
                    wrap(mKeyguardViewMediator.getOccludeByDreamAnimationRunner()),
                    getIApplicationThread()));
        }
    }

    @Override
    public IBinder onBind(Intent intent) {
        return mBinder;
    }

    void checkPermission() {
        // Avoid deadlock by avoiding calling back into the system process.
        if (Binder.getCallingUid() == Process.SYSTEM_UID) return;

        // Otherwise,explicitly check for caller permission ...
        if (getBaseContext().checkCallingOrSelfPermission(PERMISSION) != PERMISSION_GRANTED) {
            Log.w(TAG, "Caller needs permission '" + PERMISSION + "' to call " + Debug.getCaller());
            throw new SecurityException("Access denied to process: " + Binder.getCallingPid()
                    + ", must have permission " + PERMISSION);
        }
    }

    private final IRemoteAnimationRunner.Stub mExitAnimationRunner =
            new IRemoteAnimationRunner.Stub() {
        @Override // Binder interface
        public void onAnimationStart(@WindowManager.TransitionOldType int transit,
                RemoteAnimationTarget[] apps,
                RemoteAnimationTarget[] wallpapers,
                RemoteAnimationTarget[] nonApps,
                IRemoteAnimationFinishedCallback finishedCallback) {
            Trace.beginSection("mExitAnimationRunner.onAnimationStart#startKeyguardExitAnimation");
            checkPermission();
            mKeyguardViewMediator.startKeyguardExitAnimation(transit, apps, wallpapers,
                    nonApps, finishedCallback);
            Trace.endSection();
        }

        @Override // Binder interface
        public void onAnimationCancelled(boolean isKeyguardOccluded) {
            mKeyguardViewMediator.cancelKeyguardExitAnimation();
        }
    };

    final IRemoteTransition mOccludeAnimation = new IRemoteTransition.Stub() {
        @Override
        public void startAnimation(IBinder transition, TransitionInfo info,
                SurfaceControl.Transaction t, IRemoteTransitionFinishedCallback finishCallback)
                    throws RemoteException {
            t.apply();
            mBinder.setOccluded(true /* isOccluded */, true /* animate */);
            finishCallback.onTransitionFinished(null /* wct */, null /* wctCB */);
            info.releaseAllSurfaces();
        }

        @Override
        public void mergeAnimation(IBinder transition, TransitionInfo info,
                SurfaceControl.Transaction t, IBinder mergeTarget,
                IRemoteTransitionFinishedCallback finishCallback) {
            t.close();
            info.releaseAllSurfaces();
        }
    };

    final IRemoteTransition mUnoccludeAnimation = new IRemoteTransition.Stub() {
        @Override
        public void startAnimation(IBinder transition, TransitionInfo info,
                SurfaceControl.Transaction t, IRemoteTransitionFinishedCallback finishCallback)
                throws RemoteException {
            t.apply();
            mBinder.setOccluded(false /* isOccluded */, true /* animate */);
            finishCallback.onTransitionFinished(null /* wct */, null /* wctCB */);
            info.releaseAllSurfaces();
        }

        @Override
        public void mergeAnimation(IBinder transition, TransitionInfo info,
                SurfaceControl.Transaction t, IBinder mergeTarget,
                IRemoteTransitionFinishedCallback finishCallback) {
            t.close();
            info.releaseAllSurfaces();
        }
    };

    private final IKeyguardService.Stub mBinder = new IKeyguardService.Stub() {

        @Override // Binder interface
        public void addStateMonitorCallback(IKeyguardStateCallback callback) {
            checkPermission();
            mKeyguardViewMediator.addStateMonitorCallback(callback);
        }

        @Override // Binder interface
        public void verifyUnlock(IKeyguardExitCallback callback) {
            Trace.beginSection("KeyguardService.mBinder#verifyUnlock");
            checkPermission();
            mKeyguardViewMediator.verifyUnlock(callback);
            Trace.endSection();
        }

        @Override // Binder interface
        public void setOccluded(boolean isOccluded, boolean animate) {
            Log.d(TAG, "setOccluded(" + isOccluded + ")");

            Trace.beginSection("KeyguardService.mBinder#setOccluded");
            checkPermission();
            mKeyguardViewMediator.setOccluded(isOccluded, animate);
            Trace.endSection();
        }

        @Override // Binder interface
        public void dismiss(IKeyguardDismissCallback callback, CharSequence message) {
            checkPermission();
            mKeyguardViewMediator.dismiss(callback, message);
        }

        @Override // Binder interface
        public void onDreamingStarted() {
            checkPermission();
            mKeyguardViewMediator.onDreamingStarted();
        }

        @Override // Binder interface
        public void onDreamingStopped() {
            checkPermission();
            mKeyguardViewMediator.onDreamingStopped();
        }

        @Override // Binder interface
        public void onStartedGoingToSleep(@PowerManager.GoToSleepReason int pmSleepReason) {
            checkPermission();
            mKeyguardViewMediator.onStartedGoingToSleep(
                    WindowManagerPolicyConstants.translateSleepReasonToOffReason(pmSleepReason));
            mKeyguardLifecyclesDispatcher.dispatch(
                    KeyguardLifecyclesDispatcher.STARTED_GOING_TO_SLEEP, pmSleepReason);
        }

        @Override // Binder interface
        public void onFinishedGoingToSleep(
                @PowerManager.GoToSleepReason int pmSleepReason, boolean cameraGestureTriggered) {
            checkPermission();
            mKeyguardViewMediator.onFinishedGoingToSleep(
                    WindowManagerPolicyConstants.translateSleepReasonToOffReason(pmSleepReason),
                    cameraGestureTriggered);
            mKeyguardLifecyclesDispatcher.dispatch(
                    KeyguardLifecyclesDispatcher.FINISHED_GOING_TO_SLEEP);
        }

        @Override // Binder interface
        public void onStartedWakingUp(
                @PowerManager.WakeReason int pmWakeReason, boolean cameraGestureTriggered) {
            Trace.beginSection("KeyguardService.mBinder#onStartedWakingUp");
            checkPermission();
            mKeyguardViewMediator.onStartedWakingUp(pmWakeReason, cameraGestureTriggered);
            mKeyguardLifecyclesDispatcher.dispatch(
                    KeyguardLifecyclesDispatcher.STARTED_WAKING_UP, pmWakeReason);
            Trace.endSection();
        }

        @Override // Binder interface
        public void onFinishedWakingUp() {
            Trace.beginSection("KeyguardService.mBinder#onFinishedWakingUp");
            checkPermission();
            mKeyguardLifecyclesDispatcher.dispatch(KeyguardLifecyclesDispatcher.FINISHED_WAKING_UP);
            Trace.endSection();
        }

        @Override // Binder interface
        public void onScreenTurningOn(IKeyguardDrawnCallback callback) {
            Trace.beginSection("KeyguardService.mBinder#onScreenTurningOn");
            checkPermission();
            mKeyguardLifecyclesDispatcher.dispatch(KeyguardLifecyclesDispatcher.SCREEN_TURNING_ON,
                    callback);

            final String onDrawWaitingTraceTag = "Waiting for KeyguardDrawnCallback#onDrawn";
            final int traceCookie = System.identityHashCode(callback);
            Trace.beginAsyncSection(onDrawWaitingTraceTag, traceCookie);

            // Ensure the drawn callback is only ever called once
            mScreenOnCoordinator.onScreenTurningOn(new Runnable() {
                boolean mInvoked;
                @Override
                public void run() {
                    if (callback == null) return;
                    if (!mInvoked) {
                        mInvoked = true;
                        try {
                            Trace.endAsyncSection(onDrawWaitingTraceTag, traceCookie);
                            callback.onDrawn();
                        } catch (RemoteException e) {
                            Log.w(TAG, "Exception calling onDrawn():", e);
                        }
                    } else {
                        Log.w(TAG, "KeyguardDrawnCallback#onDrawn() invoked > 1 times");
                    }
                }
            });

            Trace.endSection();
        }

        @Override // Binder interface
        public void onScreenTurnedOn() {
            Trace.beginSection("KeyguardService.mBinder#onScreenTurnedOn");
            checkPermission();
            mKeyguardLifecyclesDispatcher.dispatch(KeyguardLifecyclesDispatcher.SCREEN_TURNED_ON);
            mScreenOnCoordinator.onScreenTurnedOn();
            Trace.endSection();
        }

        @Override // Binder interface
        public void onScreenTurningOff() {
            checkPermission();
            mKeyguardLifecyclesDispatcher.dispatch(KeyguardLifecyclesDispatcher.SCREEN_TURNING_OFF);
        }

        @Override // Binder interface
        public void onScreenTurnedOff() {
            checkPermission();
            mKeyguardViewMediator.onScreenTurnedOff();
            mKeyguardLifecyclesDispatcher.dispatch(KeyguardLifecyclesDispatcher.SCREEN_TURNED_OFF);
            mScreenOnCoordinator.onScreenTurnedOff();
        }

        @Override // Binder interface
        public void setKeyguardEnabled(boolean enabled) {
            checkPermission();
            mKeyguardViewMediator.setKeyguardEnabled(enabled);
        }

        @Override // Binder interface
        public void onSystemReady() {
            Trace.beginSection("KeyguardService.mBinder#onSystemReady");
            checkPermission();
            mKeyguardViewMediator.onSystemReady();
            Trace.endSection();
        }

        @Override // Binder interface
        public void doKeyguardTimeout(Bundle options) {
            checkPermission();
            mKeyguardViewMediator.doKeyguardTimeout(options);
        }

        @Override // Binder interface
        public void setSwitchingUser(boolean switching) {
            checkPermission();
            mKeyguardViewMediator.setSwitchingUser(switching);
        }

        @Override // Binder interface
        public void setCurrentUser(int userId) {
            checkPermission();
            mKeyguardViewMediator.setCurrentUser(userId);
        }

        @Override
        public void onBootCompleted() {
            checkPermission();
            mKeyguardViewMediator.onBootCompleted();
        }

        /**
         * @deprecated When remote animation is enabled, this won't be called anymore. Use
         * {@code IRemoteAnimationRunner#onAnimationStart} instead.
         */
        @Deprecated
        @Override
        public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
            Trace.beginSection("KeyguardService.mBinder#startKeyguardExitAnimation");
            checkPermission();
            mKeyguardViewMediator.startKeyguardExitAnimation(startTime, fadeoutDuration);
            Trace.endSection();
        }

        @Override
        public void onShortPowerPressedGoHome() {
            checkPermission();
            mKeyguardViewMediator.onShortPowerPressedGoHome();
        }

        @Override
        public void dismissKeyguardToLaunch(Intent intentToLaunch) {
            checkPermission();
            mKeyguardViewMediator.dismissKeyguardToLaunch(intentToLaunch);
        }

        @Override
        public void onSystemKeyPressed(int keycode) {
            checkPermission();
            mKeyguardViewMediator.onSystemKeyPressed(keycode);
        }
    };
}