• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2015 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 
17 package com.android.systemui.volume;
18 
19 import static android.accessibilityservice.AccessibilityServiceInfo.FEEDBACK_ALL_MASK;
20 import static android.accessibilityservice.AccessibilityServiceInfo.FEEDBACK_GENERIC;
21 
22 import android.accessibilityservice.AccessibilityServiceInfo;
23 import android.animation.ObjectAnimator;
24 import android.annotation.NonNull;
25 import android.annotation.SuppressLint;
26 import android.app.Dialog;
27 import android.app.KeyguardManager;
28 import android.content.Context;
29 import android.content.pm.PackageManager;
30 import android.content.res.ColorStateList;
31 import android.content.res.Configuration;
32 import android.content.res.Resources;
33 import android.graphics.Color;
34 import android.graphics.PixelFormat;
35 import android.graphics.Rect;
36 import android.graphics.drawable.AnimatedVectorDrawable;
37 import android.graphics.drawable.ColorDrawable;
38 import android.graphics.drawable.Drawable;
39 import android.media.AudioManager;
40 import android.media.AudioSystem;
41 import android.os.Debug;
42 import android.os.Handler;
43 import android.os.Looper;
44 import android.os.Message;
45 import android.os.SystemClock;
46 import android.provider.Settings.Global;
47 import android.transition.AutoTransition;
48 import android.transition.Transition;
49 import android.transition.TransitionManager;
50 import android.util.DisplayMetrics;
51 import android.util.Log;
52 import android.util.Slog;
53 import android.util.SparseBooleanArray;
54 import android.view.ContextThemeWrapper;
55 import android.view.Gravity;
56 import android.view.MotionEvent;
57 import android.view.View;
58 import android.view.View.AccessibilityDelegate;
59 import android.view.View.OnAttachStateChangeListener;
60 import android.view.View.OnClickListener;
61 import android.view.View.OnTouchListener;
62 import android.view.ViewGroup;
63 import android.view.ViewGroup.MarginLayoutParams;
64 import android.view.Window;
65 import android.view.WindowManager;
66 import android.view.accessibility.AccessibilityEvent;
67 import android.view.accessibility.AccessibilityManager;
68 import android.view.accessibility.AccessibilityManager.AccessibilityStateChangeListener;
69 import android.view.animation.DecelerateInterpolator;
70 import android.widget.ImageButton;
71 import android.widget.SeekBar;
72 import android.widget.SeekBar.OnSeekBarChangeListener;
73 import android.widget.TextView;
74 
75 import com.android.settingslib.Utils;
76 import com.android.systemui.Dependency;
77 import com.android.systemui.Interpolators;
78 import com.android.systemui.Prefs;
79 import com.android.systemui.R;
80 import com.android.systemui.plugins.VolumeDialog;
81 import com.android.systemui.plugins.VolumeDialogController;
82 import com.android.systemui.plugins.VolumeDialogController.State;
83 import com.android.systemui.plugins.VolumeDialogController.StreamState;
84 import com.android.systemui.statusbar.policy.ZenModeController;
85 import com.android.systemui.tuner.TunerService;
86 import com.android.systemui.tuner.TunerZenModePanel;
87 
88 import java.io.PrintWriter;
89 import java.util.ArrayList;
90 import java.util.List;
91 
92 /**
93  * Visual presentation of the volume dialog.
94  *
95  * A client of VolumeDialogControllerImpl and its state model.
96  *
97  * Methods ending in "H" must be called on the (ui) handler.
98  */
99 public class VolumeDialogImpl implements VolumeDialog, TunerService.Tunable {
100     private static final String TAG = Util.logTag(VolumeDialogImpl.class);
101 
102     public static final String SHOW_FULL_ZEN = "sysui_show_full_zen";
103 
104     private static final long USER_ATTEMPT_GRACE_PERIOD = 1000;
105     private static final int UPDATE_ANIMATION_DURATION = 80;
106 
107     private final Context mContext;
108     private final H mHandler = new H();
109     private final VolumeDialogController mController;
110 
111     private Window mWindow;
112     private CustomDialog mDialog;
113     private ViewGroup mDialogView;
114     private ViewGroup mDialogRowsView;
115     private ViewGroup mDialogContentView;
116     private ImageButton mExpandButton;
117     private final List<VolumeRow> mRows = new ArrayList<>();
118     private ConfigurableTexts mConfigurableTexts;
119     private final SparseBooleanArray mDynamic = new SparseBooleanArray();
120     private final KeyguardManager mKeyguard;
121     private final AudioManager mAudioManager;
122     private final AccessibilityManager mAccessibilityMgr;
123     private int mExpandButtonAnimationDuration;
124     private ZenFooter mZenFooter;
125     private final Object mSafetyWarningLock = new Object();
126     private final Accessibility mAccessibility = new Accessibility();
127     private final ColorStateList mActiveSliderTint;
128     private final ColorStateList mInactiveSliderTint;
129     private VolumeDialogMotion mMotion;
130     private int mWindowType;
131     private final ZenModeController mZenModeController;
132 
133     private boolean mShowing;
134     private boolean mExpanded;
135     private boolean mShowA11yStream;
136 
137     private int mActiveStream;
138     private int mPrevActiveStream;
139     private boolean mAutomute = VolumePrefs.DEFAULT_ENABLE_AUTOMUTE;
140     private boolean mSilentMode = VolumePrefs.DEFAULT_ENABLE_SILENT_MODE;
141     private State mState;
142     private boolean mExpandButtonAnimationRunning;
143     private SafetyWarningDialog mSafetyWarning;
144     private Callback mCallback;
145     private boolean mPendingStateChanged;
146     private boolean mPendingRecheckAll;
147     private long mCollapseTime;
148     private boolean mHovering = false;
149     private int mDensity;
150 
151     private boolean mShowFullZen;
152     private TunerZenModePanel mZenPanel;
153 
VolumeDialogImpl(Context context)154     public VolumeDialogImpl(Context context) {
155         mContext = new ContextThemeWrapper(context, com.android.systemui.R.style.qs_theme);
156         mZenModeController = Dependency.get(ZenModeController.class);
157         mController = Dependency.get(VolumeDialogController.class);
158         mKeyguard = (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);
159         mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
160         mAccessibilityMgr =
161                 (AccessibilityManager) mContext.getSystemService(Context.ACCESSIBILITY_SERVICE);
162         mActiveSliderTint = ColorStateList.valueOf(Utils.getColorAccent(mContext));
163         mInactiveSliderTint = loadColorStateList(R.color.volume_slider_inactive);
164     }
165 
init(int windowType, Callback callback)166     public void init(int windowType, Callback callback) {
167         mCallback = callback;
168         mWindowType = windowType;
169 
170         initDialog();
171 
172         mAccessibility.init();
173 
174         mController.addCallback(mControllerCallbackH, mHandler);
175         mController.getState();
176         Dependency.get(TunerService.class).addTunable(this, SHOW_FULL_ZEN);
177 
178         final Configuration currentConfig = mContext.getResources().getConfiguration();
179         mDensity = currentConfig.densityDpi;
180     }
181 
182     @Override
destroy()183     public void destroy() {
184         mAccessibility.destroy();
185         mController.removeCallback(mControllerCallbackH);
186         if (mZenFooter != null) {
187             mZenFooter.cleanup();
188         }
189         Dependency.get(TunerService.class).removeTunable(this);
190         mHandler.removeCallbacksAndMessages(null);
191     }
192 
initDialog()193     private void initDialog() {
194         mDialog = new CustomDialog(mContext);
195 
196         mConfigurableTexts = new ConfigurableTexts(mContext);
197         mHovering = false;
198         mShowing = false;
199         mWindow = mDialog.getWindow();
200         mWindow.requestFeature(Window.FEATURE_NO_TITLE);
201         mWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
202         mWindow.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
203         mWindow.addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
204                 | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
205                 | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
206                 | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
207                 | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
208                 | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
209         mDialog.setCanceledOnTouchOutside(true);
210         final Resources res = mContext.getResources();
211         final WindowManager.LayoutParams lp = mWindow.getAttributes();
212         lp.type = mWindowType;
213         lp.format = PixelFormat.TRANSLUCENT;
214         lp.setTitle(VolumeDialogImpl.class.getSimpleName());
215         lp.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
216         lp.y = res.getDimensionPixelSize(R.dimen.volume_offset_top);
217         lp.gravity = Gravity.TOP;
218         lp.windowAnimations = -1;
219         mWindow.setAttributes(lp);
220         mWindow.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING);
221 
222         mDialog.setContentView(R.layout.volume_dialog);
223         mDialogView = (ViewGroup) mDialog.findViewById(R.id.volume_dialog);
224         mDialogView.setOnHoverListener(new View.OnHoverListener() {
225             @Override
226             public boolean onHover(View v, MotionEvent event) {
227                 int action = event.getActionMasked();
228                 mHovering = (action == MotionEvent.ACTION_HOVER_ENTER)
229                         || (action == MotionEvent.ACTION_HOVER_MOVE);
230                 rescheduleTimeoutH();
231                 return true;
232             }
233         });
234 
235         mDialogContentView = mDialog.findViewById(R.id.volume_dialog_content);
236         mDialogRowsView = mDialogContentView.findViewById(R.id.volume_dialog_rows);
237         mExpanded = false;
238         mExpandButton = (ImageButton) mDialogView.findViewById(R.id.volume_expand_button);
239         mExpandButton.setOnClickListener(mClickExpand);
240 
241         mExpandButton.setVisibility(
242                 AudioSystem.isSingleVolume(mContext) ? View.GONE : View.VISIBLE);
243         updateWindowWidthH();
244         updateExpandButtonH();
245 
246         mMotion = new VolumeDialogMotion(mDialog, mDialogView, mDialogContentView, mExpandButton,
247                 new VolumeDialogMotion.Callback() {
248                     @Override
249                     public void onAnimatingChanged(boolean animating) {
250                         if (animating) return;
251                         if (mPendingStateChanged) {
252                             mHandler.sendEmptyMessage(H.STATE_CHANGED);
253                             mPendingStateChanged = false;
254                         }
255                         if (mPendingRecheckAll) {
256                             mHandler.sendEmptyMessage(H.RECHECK_ALL);
257                             mPendingRecheckAll = false;
258                         }
259                     }
260                 });
261 
262         if (mRows.isEmpty()) {
263             addRow(AudioManager.STREAM_MUSIC,
264                     R.drawable.ic_volume_media, R.drawable.ic_volume_media_mute, true);
265             if (!AudioSystem.isSingleVolume(mContext)) {
266                 addRow(AudioManager.STREAM_RING,
267                         R.drawable.ic_volume_ringer, R.drawable.ic_volume_ringer_mute, true);
268                 addRow(AudioManager.STREAM_ALARM,
269                         R.drawable.ic_volume_alarm, R.drawable.ic_volume_alarm_mute, false);
270                 addRow(AudioManager.STREAM_VOICE_CALL,
271                         R.drawable.ic_volume_voice, R.drawable.ic_volume_voice, false);
272                 addRow(AudioManager.STREAM_BLUETOOTH_SCO,
273                         R.drawable.ic_volume_bt_sco, R.drawable.ic_volume_bt_sco, false);
274                 addRow(AudioManager.STREAM_SYSTEM,
275                         R.drawable.ic_volume_system, R.drawable.ic_volume_system_mute, false);
276                 addRow(AudioManager.STREAM_ACCESSIBILITY, R.drawable.ic_volume_accessibility,
277                         R.drawable.ic_volume_accessibility, true);
278             }
279         } else {
280             addExistingRows();
281         }
282         mExpandButtonAnimationDuration = res.getInteger(R.integer.volume_expand_animation_duration);
283         mZenFooter = (ZenFooter) mDialog.findViewById(R.id.volume_zen_footer);
284         mZenFooter.init(mZenModeController);
285         mZenPanel = (TunerZenModePanel) mDialog.findViewById(R.id.tuner_zen_mode_panel);
286         mZenPanel.init(mZenModeController);
287         mZenPanel.setCallback(mZenPanelCallback);
288     }
289 
290     @Override
onTuningChanged(String key, String newValue)291     public void onTuningChanged(String key, String newValue) {
292         if (SHOW_FULL_ZEN.equals(key)) {
293             mShowFullZen = newValue != null && Integer.parseInt(newValue) != 0;
294         }
295     }
296 
loadColorStateList(int colorResId)297     private ColorStateList loadColorStateList(int colorResId) {
298         return ColorStateList.valueOf(mContext.getColor(colorResId));
299     }
300 
updateWindowWidthH()301     private void updateWindowWidthH() {
302         final ViewGroup.LayoutParams lp = mDialogView.getLayoutParams();
303         final DisplayMetrics dm = mContext.getResources().getDisplayMetrics();
304         if (D.BUG) Log.d(TAG, "updateWindowWidth dm.w=" + dm.widthPixels);
305         int w = dm.widthPixels;
306         final int max = mContext.getResources()
307                 .getDimensionPixelSize(R.dimen.volume_dialog_panel_width);
308         if (w > max) {
309             w = max;
310         }
311         lp.width = w;
312         mDialogView.setLayoutParams(lp);
313     }
314 
setStreamImportant(int stream, boolean important)315     public void setStreamImportant(int stream, boolean important) {
316         mHandler.obtainMessage(H.SET_STREAM_IMPORTANT, stream, important ? 1 : 0).sendToTarget();
317     }
318 
setAutomute(boolean automute)319     public void setAutomute(boolean automute) {
320         if (mAutomute == automute) return;
321         mAutomute = automute;
322         mHandler.sendEmptyMessage(H.RECHECK_ALL);
323     }
324 
setSilentMode(boolean silentMode)325     public void setSilentMode(boolean silentMode) {
326         if (mSilentMode == silentMode) return;
327         mSilentMode = silentMode;
328         mHandler.sendEmptyMessage(H.RECHECK_ALL);
329     }
330 
addRow(int stream, int iconRes, int iconMuteRes, boolean important)331     private void addRow(int stream, int iconRes, int iconMuteRes, boolean important) {
332         addRow(stream, iconRes, iconMuteRes, important, false);
333     }
334 
addRow(int stream, int iconRes, int iconMuteRes, boolean important, boolean dynamic)335     private void addRow(int stream, int iconRes, int iconMuteRes, boolean important,
336             boolean dynamic) {
337         VolumeRow row = new VolumeRow();
338         initRow(row, stream, iconRes, iconMuteRes, important);
339         int rowSize;
340         int viewSize;
341         if (mShowA11yStream && dynamic && (rowSize = mRows.size()) > 1
342                 && (viewSize = mDialogRowsView.getChildCount()) > 1) {
343             // A11y Stream should be the last in the list
344             mDialogRowsView.addView(row.view, viewSize - 2);
345             mRows.add(rowSize - 2, row);
346         } else {
347             mDialogRowsView.addView(row.view);
348             mRows.add(row);
349         }
350     }
351 
addExistingRows()352     private void addExistingRows() {
353         int N = mRows.size();
354         for (int i = 0; i < N; i++) {
355             final VolumeRow row = mRows.get(i);
356             initRow(row, row.stream, row.iconRes, row.iconMuteRes, row.important);
357             mDialogRowsView.addView(row.view);
358         }
359     }
360 
361 
isAttached()362     private boolean isAttached() {
363         return mDialogContentView != null && mDialogContentView.isAttachedToWindow();
364     }
365 
getActiveRow()366     private VolumeRow getActiveRow() {
367         for (VolumeRow row : mRows) {
368             if (row.stream == mActiveStream) {
369                 return row;
370             }
371         }
372         return mRows.get(0);
373     }
374 
findRow(int stream)375     private VolumeRow findRow(int stream) {
376         for (VolumeRow row : mRows) {
377             if (row.stream == stream) return row;
378         }
379         return null;
380     }
381 
dump(PrintWriter writer)382     public void dump(PrintWriter writer) {
383         writer.println(VolumeDialogImpl.class.getSimpleName() + " state:");
384         writer.print("  mShowing: "); writer.println(mShowing);
385         writer.print("  mExpanded: "); writer.println(mExpanded);
386         writer.print("  mExpandButtonAnimationRunning: ");
387         writer.println(mExpandButtonAnimationRunning);
388         writer.print("  mActiveStream: "); writer.println(mActiveStream);
389         writer.print("  mDynamic: "); writer.println(mDynamic);
390         writer.print("  mAutomute: "); writer.println(mAutomute);
391         writer.print("  mSilentMode: "); writer.println(mSilentMode);
392         writer.print("  mCollapseTime: "); writer.println(mCollapseTime);
393         writer.print("  mAccessibility.mFeedbackEnabled: ");
394         writer.println(mAccessibility.mFeedbackEnabled);
395     }
396 
getImpliedLevel(SeekBar seekBar, int progress)397     private static int getImpliedLevel(SeekBar seekBar, int progress) {
398         final int m = seekBar.getMax();
399         final int n = m / 100 - 1;
400         final int level = progress == 0 ? 0
401                 : progress == m ? (m / 100) : (1 + (int)((progress / (float) m) * n));
402         return level;
403     }
404 
405     @SuppressLint("InflateParams")
initRow(final VolumeRow row, final int stream, int iconRes, int iconMuteRes, boolean important)406     private void initRow(final VolumeRow row, final int stream, int iconRes, int iconMuteRes,
407             boolean important) {
408         row.stream = stream;
409         row.iconRes = iconRes;
410         row.iconMuteRes = iconMuteRes;
411         row.important = important;
412         row.view = mDialog.getLayoutInflater().inflate(R.layout.volume_dialog_row, null);
413         row.view.setId(row.stream);
414         row.view.setTag(row);
415         row.header = (TextView) row.view.findViewById(R.id.volume_row_header);
416         row.header.setId(20 * row.stream);
417         row.slider = (SeekBar) row.view.findViewById(R.id.volume_row_slider);
418         row.slider.setOnSeekBarChangeListener(new VolumeSeekBarChangeListener(row));
419         row.anim = null;
420 
421         // forward events above the slider into the slider
422         row.view.setOnTouchListener(new OnTouchListener() {
423             private final Rect mSliderHitRect = new Rect();
424             private boolean mDragging;
425 
426             @SuppressLint("ClickableViewAccessibility")
427             @Override
428             public boolean onTouch(View v, MotionEvent event) {
429                 row.slider.getHitRect(mSliderHitRect);
430                 if (!mDragging && event.getActionMasked() == MotionEvent.ACTION_DOWN
431                         && event.getY() < mSliderHitRect.top) {
432                     mDragging = true;
433                 }
434                 if (mDragging) {
435                     event.offsetLocation(-mSliderHitRect.left, -mSliderHitRect.top);
436                     row.slider.dispatchTouchEvent(event);
437                     if (event.getActionMasked() == MotionEvent.ACTION_UP
438                             || event.getActionMasked() == MotionEvent.ACTION_CANCEL) {
439                         mDragging = false;
440                     }
441                     return true;
442                 }
443                 return false;
444             }
445         });
446         row.icon = row.view.findViewById(R.id.volume_row_icon);
447         row.icon.setImageResource(iconRes);
448         if (row.stream != AudioSystem.STREAM_ACCESSIBILITY) {
449             row.icon.setOnClickListener(new OnClickListener() {
450                 @Override
451                 public void onClick(View v) {
452                     Events.writeEvent(mContext, Events.EVENT_ICON_CLICK, row.stream, row.iconState);
453                     mController.setActiveStream(row.stream);
454                     if (row.stream == AudioManager.STREAM_RING) {
455                         final boolean hasVibrator = mController.hasVibrator();
456                         if (mState.ringerModeInternal == AudioManager.RINGER_MODE_NORMAL) {
457                             if (hasVibrator) {
458                                 mController.setRingerMode(AudioManager.RINGER_MODE_VIBRATE, false);
459                             } else {
460                                 final boolean wasZero = row.ss.level == 0;
461                                 mController.setStreamVolume(stream,
462                                         wasZero ? row.lastAudibleLevel : 0);
463                             }
464                         } else {
465                             mController.setRingerMode(AudioManager.RINGER_MODE_NORMAL, false);
466                             if (row.ss.level == 0) {
467                                 mController.setStreamVolume(stream, 1);
468                             }
469                         }
470                     } else {
471                         final boolean vmute = row.ss.level == row.ss.levelMin;
472                         mController.setStreamVolume(stream,
473                                 vmute ? row.lastAudibleLevel : row.ss.levelMin);
474                     }
475                     row.userAttempt = 0;  // reset the grace period, slider updates immediately
476                 }
477             });
478         } else {
479             row.icon.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
480         }
481     }
482 
show(int reason)483     public void show(int reason) {
484         mHandler.obtainMessage(H.SHOW, reason, 0).sendToTarget();
485     }
486 
dismiss(int reason)487     public void dismiss(int reason) {
488         mHandler.obtainMessage(H.DISMISS, reason, 0).sendToTarget();
489     }
490 
showH(int reason)491     private void showH(int reason) {
492         if (D.BUG) Log.d(TAG, "showH r=" + Events.DISMISS_REASONS[reason]);
493         mHandler.removeMessages(H.SHOW);
494         mHandler.removeMessages(H.DISMISS);
495         rescheduleTimeoutH();
496         if (mShowing) return;
497         mShowing = true;
498         mMotion.startShow();
499         Events.writeEvent(mContext, Events.EVENT_SHOW_DIALOG, reason, mKeyguard.isKeyguardLocked());
500         mController.notifyVisible(true);
501     }
502 
rescheduleTimeoutH()503     protected void rescheduleTimeoutH() {
504         mHandler.removeMessages(H.DISMISS);
505         final int timeout = computeTimeoutH();
506         mHandler.sendMessageDelayed(mHandler
507                 .obtainMessage(H.DISMISS, Events.DISMISS_REASON_TIMEOUT, 0), timeout);
508         if (D.BUG) Log.d(TAG, "rescheduleTimeout " + timeout + " " + Debug.getCaller());
509         mController.userActivity();
510     }
511 
computeTimeoutH()512     private int computeTimeoutH() {
513         if (mAccessibility.mFeedbackEnabled) return 20000;
514         if (mHovering) return 16000;
515         if (mSafetyWarning != null) return 5000;
516         if (mExpanded || mExpandButtonAnimationRunning) return 5000;
517         if (mActiveStream == AudioManager.STREAM_MUSIC) return 1500;
518         if (mZenFooter.shouldShowIntroduction()) {
519             return 6000;
520         }
521         return 3000;
522     }
523 
dismissH(int reason)524     protected void dismissH(int reason) {
525         if (mMotion.isAnimating()) {
526             return;
527         }
528         mHandler.removeMessages(H.DISMISS);
529         mHandler.removeMessages(H.SHOW);
530         if (!mShowing) return;
531         mShowing = false;
532         mMotion.startDismiss(new Runnable() {
533             @Override
534             public void run() {
535                 updateExpandedH(false /* expanding */, true /* dismissing */);
536             }
537         });
538         if (mAccessibilityMgr.isEnabled()) {
539             AccessibilityEvent event =
540                     AccessibilityEvent.obtain(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
541             event.setPackageName(mContext.getPackageName());
542             event.setClassName(CustomDialog.class.getSuperclass().getName());
543             event.getText().add(mContext.getString(
544                     R.string.volume_dialog_accessibility_dismissed_message));
545             mAccessibilityMgr.sendAccessibilityEvent(event);
546         }
547         Events.writeEvent(mContext, Events.EVENT_DISMISS_DIALOG, reason);
548         mController.notifyVisible(false);
549         synchronized (mSafetyWarningLock) {
550             if (mSafetyWarning != null) {
551                 if (D.BUG) Log.d(TAG, "SafetyWarning dismissed");
552                 mSafetyWarning.dismiss();
553             }
554         }
555     }
556 
updateDialogBottomMarginH()557     private void updateDialogBottomMarginH() {
558         final long diff = System.currentTimeMillis() - mCollapseTime;
559         final boolean collapsing = mCollapseTime != 0 && diff < getConservativeCollapseDuration();
560         final ViewGroup.MarginLayoutParams mlp = (MarginLayoutParams) mDialogView.getLayoutParams();
561         final int bottomMargin = collapsing ? mDialogContentView.getHeight() :
562                 mContext.getResources().getDimensionPixelSize(R.dimen.volume_dialog_margin_bottom);
563         if (bottomMargin != mlp.bottomMargin) {
564             if (D.BUG) Log.d(TAG, "bottomMargin " + mlp.bottomMargin + " -> " + bottomMargin);
565             mlp.bottomMargin = bottomMargin;
566             mDialogView.setLayoutParams(mlp);
567         }
568     }
569 
570     private long getConservativeCollapseDuration() {
571         return mExpandButtonAnimationDuration * 3;
572     }
573 
574     private void prepareForCollapse() {
575         mHandler.removeMessages(H.UPDATE_BOTTOM_MARGIN);
576         mCollapseTime = System.currentTimeMillis();
577         updateDialogBottomMarginH();
578         mHandler.sendEmptyMessageDelayed(H.UPDATE_BOTTOM_MARGIN, getConservativeCollapseDuration());
579     }
580 
581     private void updateExpandedH(final boolean expanded, final boolean dismissing) {
582         if (mExpanded == expanded) return;
583         mExpanded = expanded;
584         mExpandButtonAnimationRunning = isAttached();
585         if (D.BUG) Log.d(TAG, "updateExpandedH " + expanded);
586         updateExpandButtonH();
587         updateFooterH();
588         TransitionManager.endTransitions(mDialogView);
589         final VolumeRow activeRow = getActiveRow();
590         if (!dismissing) {
591             mWindow.setLayout(mWindow.getAttributes().width, ViewGroup.LayoutParams.MATCH_PARENT);
592             TransitionManager.beginDelayedTransition(mDialogView, getTransition());
593         }
594         updateRowsH(activeRow);
595         rescheduleTimeoutH();
596     }
597 
598     private void updateExpandButtonH() {
599         if (D.BUG) Log.d(TAG, "updateExpandButtonH");
600         mExpandButton.setClickable(!mExpandButtonAnimationRunning);
601         if (!(mExpandButtonAnimationRunning && isAttached())) {
602             final int res = mExpanded ? R.drawable.ic_volume_collapse_animation
603                     : R.drawable.ic_volume_expand_animation;
604             if (hasTouchFeature()) {
605                 mExpandButton.setImageResource(res);
606             } else {
607                 // if there is no touch feature, show the volume ringer instead
608                 mExpandButton.setImageResource(R.drawable.ic_volume_ringer);
609                 mExpandButton.setBackgroundResource(0);  // remove gray background emphasis
610             }
611             mExpandButton.setContentDescription(mContext.getString(mExpanded ?
612                     R.string.accessibility_volume_collapse : R.string.accessibility_volume_expand));
613         }
614         if (mExpandButtonAnimationRunning) {
615             final Drawable d = mExpandButton.getDrawable();
616             if (d instanceof AnimatedVectorDrawable) {
617                 // workaround to reset drawable
618                 final AnimatedVectorDrawable avd = (AnimatedVectorDrawable) d.getConstantState()
619                         .newDrawable();
620                 mExpandButton.setImageDrawable(avd);
621                 avd.start();
622                 mHandler.postDelayed(new Runnable() {
623                     @Override
624                     public void run() {
625                         mExpandButtonAnimationRunning = false;
626                         updateExpandButtonH();
627                         rescheduleTimeoutH();
628                     }
629                 }, mExpandButtonAnimationDuration);
630             }
631         }
632     }
633 
634     private boolean shouldBeVisibleH(VolumeRow row, VolumeRow activeRow) {
635         boolean isActive = row == activeRow;
636         if (row.stream == AudioSystem.STREAM_ACCESSIBILITY) {
637             return mShowA11yStream;
638         }
639 
640         // if the active row is accessibility, then continue to display previous
641         // active row since accessibility is dispalyed under it
642         if (activeRow.stream == AudioSystem.STREAM_ACCESSIBILITY &&
643                 row.stream == mPrevActiveStream) {
644             return true;
645         }
646 
647         return mExpanded && row.view.getVisibility() == View.VISIBLE
648                 || (mExpanded && (row.important || isActive))
649                 || !mExpanded && isActive;
650     }
651 
652     private void updateRowsH(final VolumeRow activeRow) {
653         if (D.BUG) Log.d(TAG, "updateRowsH");
654         if (!mShowing) {
655             trimObsoleteH();
656         }
657         // apply changes to all rows
658         for (final VolumeRow row : mRows) {
659             final boolean isActive = row == activeRow;
660             final boolean shouldBeVisible = shouldBeVisibleH(row, activeRow);
661             Util.setVisOrGone(row.view, shouldBeVisible);
662             Util.setVisOrGone(row.header, shouldBeVisible);
663             if (row.view.isShown()) {
664                 updateVolumeRowSliderTintH(row, isActive);
665             }
666         }
667     }
668 
669     private void trimObsoleteH() {
670         if (D.BUG) Log.d(TAG, "trimObsoleteH");
671         for (int i = mRows.size() - 1; i >= 0; i--) {
672             final VolumeRow row = mRows.get(i);
673             if (row.ss == null || !row.ss.dynamic) continue;
674             if (!mDynamic.get(row.stream)) {
675                 mRows.remove(i);
676                 mDialogRowsView.removeView(row.view);
677             }
678         }
679     }
680 
onStateChangedH(State state)681     private void onStateChangedH(State state) {
682         final boolean animating = mMotion.isAnimating();
683         if (D.BUG) Log.d(TAG, "onStateChangedH animating=" + animating);
684         mState = state;
685         if (animating) {
686             mPendingStateChanged = true;
687             return;
688         }
689         mDynamic.clear();
690         // add any new dynamic rows
691         for (int i = 0; i < state.states.size(); i++) {
692             final int stream = state.states.keyAt(i);
693             final StreamState ss = state.states.valueAt(i);
694             if (!ss.dynamic) continue;
695             mDynamic.put(stream, true);
696             if (findRow(stream) == null) {
697                 addRow(stream, R.drawable.ic_volume_remote, R.drawable.ic_volume_remote_mute, true,
698                         true);
699             }
700         }
701 
702         if (mActiveStream != state.activeStream) {
703             mPrevActiveStream = mActiveStream;
704             mActiveStream = state.activeStream;
705             updateRowsH(getActiveRow());
706             rescheduleTimeoutH();
707         }
708         for (VolumeRow row : mRows) {
709             updateVolumeRowH(row);
710         }
711         updateFooterH();
712     }
713 
updateFooterH()714     private void updateFooterH() {
715         if (D.BUG) Log.d(TAG, "updateFooterH");
716         final boolean wasVisible = mZenFooter.getVisibility() == View.VISIBLE;
717         final boolean visible = mState.zenMode != Global.ZEN_MODE_OFF
718                 && (mAudioManager.isStreamAffectedByRingerMode(mActiveStream) || mExpanded)
719                 && !mZenPanel.isEditing();
720 
721         TransitionManager.endTransitions(mDialogView);
722         TransitionManager.beginDelayedTransition(mDialogView, getTransition());
723         if (wasVisible != visible && !visible) {
724             prepareForCollapse();
725         }
726         Util.setVisOrGone(mZenFooter, visible);
727         mZenFooter.update();
728 
729         final boolean fullWasVisible = mZenPanel.getVisibility() == View.VISIBLE;
730         final boolean fullVisible = mShowFullZen && !visible;
731         if (fullWasVisible != fullVisible) {
732             Util.setVisOrGone(mZenPanel, fullVisible);
733             if (fullVisible) {
734                 mZenPanel.setZenState(mState.zenMode);
735                 mZenPanel.setDoneListener(new OnClickListener() {
736                     @Override
737                     public void onClick(View v) {
738                         mHandler.sendEmptyMessage(H.UPDATE_FOOTER);
739                     }
740                 });
741             }
742         }
743     }
744 
updateVolumeRowH(VolumeRow row)745     private void updateVolumeRowH(VolumeRow row) {
746         if (D.BUG) Log.d(TAG, "updateVolumeRowH s=" + row.stream);
747         if (mState == null) return;
748         final StreamState ss = mState.states.get(row.stream);
749         if (ss == null) return;
750         row.ss = ss;
751         if (ss.level > 0) {
752             row.lastAudibleLevel = ss.level;
753         }
754         if (ss.level == row.requestedLevel) {
755             row.requestedLevel = -1;
756         }
757         final boolean isA11yStream = row.stream == AudioManager.STREAM_ACCESSIBILITY;
758         final boolean isRingStream = row.stream == AudioManager.STREAM_RING;
759         final boolean isSystemStream = row.stream == AudioManager.STREAM_SYSTEM;
760         final boolean isAlarmStream = row.stream == AudioManager.STREAM_ALARM;
761         final boolean isMusicStream = row.stream == AudioManager.STREAM_MUSIC;
762         final boolean isRingVibrate = isRingStream
763                 && mState.ringerModeInternal == AudioManager.RINGER_MODE_VIBRATE;
764         final boolean isRingSilent = isRingStream
765                 && mState.ringerModeInternal == AudioManager.RINGER_MODE_SILENT;
766         final boolean isZenAlarms = mState.zenMode == Global.ZEN_MODE_ALARMS;
767         final boolean isZenNone = mState.zenMode == Global.ZEN_MODE_NO_INTERRUPTIONS;
768         final boolean zenMuted = isZenAlarms ? (isRingStream || isSystemStream)
769                 : isZenNone ? (isRingStream || isSystemStream || isAlarmStream || isMusicStream)
770                 : false;
771 
772         // update slider max
773         final int max = ss.levelMax * 100;
774         if (max != row.slider.getMax()) {
775             row.slider.setMax(max);
776         }
777 
778         // update header text
779         Util.setText(row.header, getStreamLabelH(ss));
780         row.slider.setContentDescription(row.header.getText());
781         mConfigurableTexts.add(row.header, ss.name);
782 
783         // update icon
784         final boolean iconEnabled = (mAutomute || ss.muteSupported) && !zenMuted;
785         row.icon.setEnabled(iconEnabled);
786         row.icon.setAlpha(iconEnabled ? 1 : 0.5f);
787         final int iconRes =
788                 isRingVibrate ? R.drawable.ic_volume_ringer_vibrate
789                 : isRingSilent || zenMuted ? row.cachedIconRes
790                 : ss.routedToBluetooth ?
791                         (ss.muted ? R.drawable.ic_volume_media_bt_mute
792                                 : R.drawable.ic_volume_media_bt)
793                 : mAutomute && ss.level == 0 ? row.iconMuteRes
794                 : (ss.muted ? row.iconMuteRes : row.iconRes);
795         if (iconRes != row.cachedIconRes) {
796             if (row.cachedIconRes != 0 && isRingVibrate) {
797                 mController.vibrate();
798             }
799             row.cachedIconRes = iconRes;
800             row.icon.setImageResource(iconRes);
801         }
802         row.iconState =
803                 iconRes == R.drawable.ic_volume_ringer_vibrate ? Events.ICON_STATE_VIBRATE
804                 : (iconRes == R.drawable.ic_volume_media_bt_mute || iconRes == row.iconMuteRes)
805                         ? Events.ICON_STATE_MUTE
806                 : (iconRes == R.drawable.ic_volume_media_bt || iconRes == row.iconRes)
807                         ? Events.ICON_STATE_UNMUTE
808                 : Events.ICON_STATE_UNKNOWN;
809         if (iconEnabled) {
810             if (isRingStream) {
811                 if (isRingVibrate) {
812                     row.icon.setContentDescription(mContext.getString(
813                             R.string.volume_stream_content_description_unmute,
814                             getStreamLabelH(ss)));
815                 } else {
816                     if (mController.hasVibrator()) {
817                         row.icon.setContentDescription(mContext.getString(
818                                 mShowA11yStream
819                                         ? R.string.volume_stream_content_description_vibrate_a11y
820                                         : R.string.volume_stream_content_description_vibrate,
821                                 getStreamLabelH(ss)));
822                     } else {
823                         row.icon.setContentDescription(mContext.getString(
824                                 mShowA11yStream
825                                         ? R.string.volume_stream_content_description_mute_a11y
826                                         : R.string.volume_stream_content_description_mute,
827                                 getStreamLabelH(ss)));
828                     }
829                 }
830             } else if (isA11yStream) {
831                 row.icon.setContentDescription(getStreamLabelH(ss));
832             } else {
833                 if (ss.muted || mAutomute && ss.level == 0) {
834                    row.icon.setContentDescription(mContext.getString(
835                            R.string.volume_stream_content_description_unmute,
836                            getStreamLabelH(ss)));
837                 } else {
838                     row.icon.setContentDescription(mContext.getString(
839                             mShowA11yStream
840                                     ? R.string.volume_stream_content_description_mute_a11y
841                                     : R.string.volume_stream_content_description_mute,
842                             getStreamLabelH(ss)));
843                 }
844             }
845         } else {
846             row.icon.setContentDescription(getStreamLabelH(ss));
847         }
848 
849         // ensure tracking is disabled if zenMuted
850         if (zenMuted) {
851             row.tracking = false;
852         }
853 
854         // update slider
855         final boolean enableSlider = !zenMuted;
856         final int vlevel = row.ss.muted && (!isRingStream && !zenMuted) ? 0
857                 : row.ss.level;
858         updateVolumeRowSliderH(row, enableSlider, vlevel);
859     }
860 
updateVolumeRowSliderTintH(VolumeRow row, boolean isActive)861     private void updateVolumeRowSliderTintH(VolumeRow row, boolean isActive) {
862         if (isActive && mExpanded) {
863             row.slider.requestFocus();
864         }
865         final ColorStateList tint = isActive && row.slider.isEnabled() ? mActiveSliderTint
866                 : mInactiveSliderTint;
867         if (tint == row.cachedSliderTint) return;
868         row.cachedSliderTint = tint;
869         row.slider.setProgressTintList(tint);
870         row.slider.setThumbTintList(tint);
871     }
872 
updateVolumeRowSliderH(VolumeRow row, boolean enable, int vlevel)873     private void updateVolumeRowSliderH(VolumeRow row, boolean enable, int vlevel) {
874         row.slider.setEnabled(enable);
875         updateVolumeRowSliderTintH(row, row.stream == mActiveStream);
876         if (row.tracking) {
877             return;  // don't update if user is sliding
878         }
879         final int progress = row.slider.getProgress();
880         final int level = getImpliedLevel(row.slider, progress);
881         final boolean rowVisible = row.view.getVisibility() == View.VISIBLE;
882         final boolean inGracePeriod = (SystemClock.uptimeMillis() - row.userAttempt)
883                 < USER_ATTEMPT_GRACE_PERIOD;
884         mHandler.removeMessages(H.RECHECK, row);
885         if (mShowing && rowVisible && inGracePeriod) {
886             if (D.BUG) Log.d(TAG, "inGracePeriod");
887             mHandler.sendMessageAtTime(mHandler.obtainMessage(H.RECHECK, row),
888                     row.userAttempt + USER_ATTEMPT_GRACE_PERIOD);
889             return;  // don't update if visible and in grace period
890         }
891         if (vlevel == level) {
892             if (mShowing && rowVisible) {
893                 return;  // don't clamp if visible
894             }
895         }
896         final int newProgress = vlevel * 100;
897         if (progress != newProgress) {
898             if (mShowing && rowVisible) {
899                 // animate!
900                 if (row.anim != null && row.anim.isRunning()
901                         && row.animTargetProgress == newProgress) {
902                     return;  // already animating to the target progress
903                 }
904                 // start/update animation
905                 if (row.anim == null) {
906                     row.anim = ObjectAnimator.ofInt(row.slider, "progress", progress, newProgress);
907                     row.anim.setInterpolator(new DecelerateInterpolator());
908                 } else {
909                     row.anim.cancel();
910                     row.anim.setIntValues(progress, newProgress);
911                 }
912                 row.animTargetProgress = newProgress;
913                 row.anim.setDuration(UPDATE_ANIMATION_DURATION);
914                 row.anim.start();
915             } else {
916                 // update slider directly to clamped value
917                 if (row.anim != null) {
918                     row.anim.cancel();
919                 }
920                 row.slider.setProgress(newProgress, true);
921             }
922         }
923     }
924 
925     private void recheckH(VolumeRow row) {
926         if (row == null) {
927             if (D.BUG) Log.d(TAG, "recheckH ALL");
928             trimObsoleteH();
929             for (VolumeRow r : mRows) {
930                 updateVolumeRowH(r);
931             }
932         } else {
933             if (D.BUG) Log.d(TAG, "recheckH " + row.stream);
934             updateVolumeRowH(row);
935         }
936     }
937 
938     private void setStreamImportantH(int stream, boolean important) {
939         for (VolumeRow row : mRows) {
940             if (row.stream == stream) {
941                 row.important = important;
942                 return;
943             }
944         }
945     }
946 
947     private void showSafetyWarningH(int flags) {
948         if ((flags & (AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_SHOW_UI_WARNINGS)) != 0
949                 || mShowing) {
950             synchronized (mSafetyWarningLock) {
951                 if (mSafetyWarning != null) {
952                     return;
953                 }
954                 mSafetyWarning = new SafetyWarningDialog(mContext, mController.getAudioManager()) {
955                     @Override
956                     protected void cleanUp() {
957                         synchronized (mSafetyWarningLock) {
958                             mSafetyWarning = null;
959                         }
960                         recheckH(null);
961                     }
962                 };
963                 mSafetyWarning.show();
964             }
965             recheckH(null);
966         }
967         rescheduleTimeoutH();
968     }
969 
970     private String getStreamLabelH(StreamState ss) {
971         if (ss.remoteLabel != null) {
972             return ss.remoteLabel;
973         }
974         try {
975             return mContext.getString(ss.name);
976         } catch (Resources.NotFoundException e) {
977             Slog.e(TAG, "Can't find translation for stream " + ss);
978             return "";
979         }
980     }
981 
982     private AutoTransition getTransition() {
983         AutoTransition transition = new AutoTransition();
984         transition.setDuration(mExpandButtonAnimationDuration);
985         transition.setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN);
986         transition.addListener(new Transition.TransitionListener() {
987             @Override
988             public void onTransitionStart(Transition transition) {
989             }
990 
991             @Override
992             public void onTransitionEnd(Transition transition) {
993                 mWindow.setLayout(
994                         mWindow.getAttributes().width, ViewGroup.LayoutParams.WRAP_CONTENT);
995             }
996 
997             @Override
998             public void onTransitionCancel(Transition transition) {
999             }
1000 
1001             @Override
1002             public void onTransitionPause(Transition transition) {
1003                 mWindow.setLayout(
1004                         mWindow.getAttributes().width, ViewGroup.LayoutParams.WRAP_CONTENT);
1005             }
1006 
1007             @Override
1008             public void onTransitionResume(Transition transition) {
1009             }
1010         });
1011         return transition;
1012     }
1013 
1014     private boolean hasTouchFeature() {
1015         final PackageManager pm = mContext.getPackageManager();
1016         return pm.hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN);
1017     }
1018 
1019     private final VolumeDialogController.Callbacks mControllerCallbackH
1020             = new VolumeDialogController.Callbacks() {
1021         @Override
1022         public void onShowRequested(int reason) {
1023             showH(reason);
1024         }
1025 
1026         @Override
1027         public void onDismissRequested(int reason) {
1028             dismissH(reason);
1029         }
1030 
1031         @Override
1032         public void onScreenOff() {
1033             dismissH(Events.DISMISS_REASON_SCREEN_OFF);
1034         }
1035 
1036         @Override
1037         public void onStateChanged(State state) {
1038             onStateChangedH(state);
1039         }
1040 
1041         @Override
1042         public void onLayoutDirectionChanged(int layoutDirection) {
1043             mDialogView.setLayoutDirection(layoutDirection);
1044         }
1045 
1046         @Override
1047         public void onConfigurationChanged() {
1048             Configuration newConfig = mContext.getResources().getConfiguration();
1049             final int density = newConfig.densityDpi;
1050             if (density != mDensity) {
1051                 mDialog.dismiss();
1052                 mZenFooter.cleanup();
1053                 initDialog();
1054                 mDensity = density;
1055             }
1056             updateWindowWidthH();
1057             mConfigurableTexts.update();
1058             mZenFooter.onConfigurationChanged();
1059         }
1060 
1061         @Override
1062         public void onShowVibrateHint() {
1063             if (mSilentMode) {
1064                 mController.setRingerMode(AudioManager.RINGER_MODE_SILENT, false);
1065             }
1066         }
1067 
1068         @Override
1069         public void onShowSilentHint() {
1070             if (mSilentMode) {
1071                 mController.setRingerMode(AudioManager.RINGER_MODE_NORMAL, false);
1072             }
1073         }
1074 
1075         @Override
1076         public void onShowSafetyWarning(int flags) {
1077             showSafetyWarningH(flags);
1078         }
1079 
1080         @Override
1081         public void onAccessibilityModeChanged(Boolean showA11yStream) {
1082             boolean show = showA11yStream == null ? false : showA11yStream;
1083             mShowA11yStream = show;
1084             VolumeRow activeRow = getActiveRow();
1085             if (!mShowA11yStream && AudioManager.STREAM_ACCESSIBILITY == activeRow.stream) {
1086                 dismissH(Events.DISMISS_STREAM_GONE);
1087             } else {
1088                 updateRowsH(activeRow);
1089             }
1090 
1091         }
1092     };
1093 
1094     private final ZenModePanel.Callback mZenPanelCallback = new ZenModePanel.Callback() {
1095         @Override
1096         public void onPrioritySettings() {
1097             mCallback.onZenPrioritySettingsClicked();
1098         }
1099 
1100         @Override
1101         public void onInteraction() {
1102             mHandler.sendEmptyMessage(H.RESCHEDULE_TIMEOUT);
1103         }
1104 
1105         @Override
1106         public void onExpanded(boolean expanded) {
1107             // noop.
1108         }
1109     };
1110 
1111     private final OnClickListener mClickExpand = new OnClickListener() {
1112         @Override
1113         public void onClick(View v) {
1114             if (mExpandButtonAnimationRunning) return;
1115             final boolean newExpand = !mExpanded;
1116             Events.writeEvent(mContext, Events.EVENT_EXPAND, newExpand);
1117             updateExpandedH(newExpand, false /* dismissing */);
1118         }
1119     };
1120 
1121     private final class H extends Handler {
1122         private static final int SHOW = 1;
1123         private static final int DISMISS = 2;
1124         private static final int RECHECK = 3;
1125         private static final int RECHECK_ALL = 4;
1126         private static final int SET_STREAM_IMPORTANT = 5;
1127         private static final int RESCHEDULE_TIMEOUT = 6;
1128         private static final int STATE_CHANGED = 7;
1129         private static final int UPDATE_BOTTOM_MARGIN = 8;
1130         private static final int UPDATE_FOOTER = 9;
1131 
1132         public H() {
1133             super(Looper.getMainLooper());
1134         }
1135 
1136         @Override
1137         public void handleMessage(Message msg) {
1138             switch (msg.what) {
1139                 case SHOW: showH(msg.arg1); break;
1140                 case DISMISS: dismissH(msg.arg1); break;
1141                 case RECHECK: recheckH((VolumeRow) msg.obj); break;
1142                 case RECHECK_ALL: recheckH(null); break;
1143                 case SET_STREAM_IMPORTANT: setStreamImportantH(msg.arg1, msg.arg2 != 0); break;
1144                 case RESCHEDULE_TIMEOUT: rescheduleTimeoutH(); break;
1145                 case STATE_CHANGED: onStateChangedH(mState); break;
1146                 case UPDATE_BOTTOM_MARGIN: updateDialogBottomMarginH(); break;
1147                 case UPDATE_FOOTER: updateFooterH(); break;
1148             }
1149         }
1150     }
1151 
1152     private final class CustomDialog extends Dialog {
1153         public CustomDialog(Context context) {
1154             super(context);
1155         }
1156 
1157         @Override
1158         public boolean dispatchTouchEvent(MotionEvent ev) {
1159             rescheduleTimeoutH();
1160             return super.dispatchTouchEvent(ev);
1161         }
1162 
1163         @Override
1164         protected void onStop() {
1165             super.onStop();
1166             final boolean animating = mMotion.isAnimating();
1167             if (D.BUG) Log.d(TAG, "onStop animating=" + animating);
1168             if (animating) {
1169                 mPendingRecheckAll = true;
1170                 return;
1171             }
1172             mHandler.sendEmptyMessage(H.RECHECK_ALL);
1173         }
1174 
1175         @Override
1176         public boolean onTouchEvent(MotionEvent event) {
1177             if (isShowing()) {
1178                 if (event.getAction() == MotionEvent.ACTION_OUTSIDE) {
1179                     dismissH(Events.DISMISS_REASON_TOUCH_OUTSIDE);
1180                     return true;
1181                 }
1182             }
1183             return false;
1184         }
1185 
1186         @Override
1187         public boolean dispatchPopulateAccessibilityEvent(@NonNull AccessibilityEvent event) {
1188             event.setClassName(getClass().getSuperclass().getName());
1189             event.setPackageName(mContext.getPackageName());
1190 
1191             ViewGroup.LayoutParams params = getWindow().getAttributes();
1192             boolean isFullScreen = (params.width == ViewGroup.LayoutParams.MATCH_PARENT) &&
1193                     (params.height == ViewGroup.LayoutParams.MATCH_PARENT);
1194             event.setFullScreen(isFullScreen);
1195 
1196             if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
1197                 if (mShowing) {
1198                     event.getText().add(mContext.getString(
1199                             R.string.volume_dialog_accessibility_shown_message,
1200                             getStreamLabelH(getActiveRow().ss)));
1201                     return true;
1202                 }
1203             }
1204             return false;
1205         }
1206     }
1207 
1208     private final class VolumeSeekBarChangeListener implements OnSeekBarChangeListener {
1209         private final VolumeRow mRow;
1210 
1211         private VolumeSeekBarChangeListener(VolumeRow row) {
1212             mRow = row;
1213         }
1214 
1215         @Override
1216         public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
1217             if (mRow.ss == null) return;
1218             if (D.BUG) Log.d(TAG, AudioSystem.streamToString(mRow.stream)
1219                     + " onProgressChanged " + progress + " fromUser=" + fromUser);
1220             if (!fromUser) return;
1221             if (mRow.ss.levelMin > 0) {
1222                 final int minProgress = mRow.ss.levelMin * 100;
1223                 if (progress < minProgress) {
1224                     seekBar.setProgress(minProgress);
1225                     progress = minProgress;
1226                 }
1227             }
1228             final int userLevel = getImpliedLevel(seekBar, progress);
1229             if (mRow.ss.level != userLevel || mRow.ss.muted && userLevel > 0) {
1230                 mRow.userAttempt = SystemClock.uptimeMillis();
1231                 if (mRow.requestedLevel != userLevel) {
1232                     mController.setStreamVolume(mRow.stream, userLevel);
1233                     mRow.requestedLevel = userLevel;
1234                     Events.writeEvent(mContext, Events.EVENT_TOUCH_LEVEL_CHANGED, mRow.stream,
1235                             userLevel);
1236                 }
1237             }
1238         }
1239 
1240         @Override
onStartTrackingTouch(SeekBar seekBar)1241         public void onStartTrackingTouch(SeekBar seekBar) {
1242             if (D.BUG) Log.d(TAG, "onStartTrackingTouch"+ " " + mRow.stream);
1243             mController.setActiveStream(mRow.stream);
1244             mRow.tracking = true;
1245         }
1246 
1247         @Override
onStopTrackingTouch(SeekBar seekBar)1248         public void onStopTrackingTouch(SeekBar seekBar) {
1249             if (D.BUG) Log.d(TAG, "onStopTrackingTouch"+ " " + mRow.stream);
1250             mRow.tracking = false;
1251             mRow.userAttempt = SystemClock.uptimeMillis();
1252             final int userLevel = getImpliedLevel(seekBar, seekBar.getProgress());
1253             Events.writeEvent(mContext, Events.EVENT_TOUCH_LEVEL_DONE, mRow.stream, userLevel);
1254             if (mRow.ss.level != userLevel) {
1255                 mHandler.sendMessageDelayed(mHandler.obtainMessage(H.RECHECK, mRow),
1256                         USER_ATTEMPT_GRACE_PERIOD);
1257             }
1258         }
1259     }
1260 
1261     private final class Accessibility extends AccessibilityDelegate {
1262         private boolean mFeedbackEnabled;
1263 
init()1264         public void init() {
1265             mDialogView.addOnAttachStateChangeListener(new OnAttachStateChangeListener() {
1266                 @Override
1267                 public void onViewDetachedFromWindow(View v) {
1268                     if (D.BUG) Log.d(TAG, "onViewDetachedFromWindow");
1269                 }
1270 
1271                 @Override
1272                 public void onViewAttachedToWindow(View v) {
1273                     if (D.BUG) Log.d(TAG, "onViewAttachedToWindow");
1274                     updateFeedbackEnabled();
1275                 }
1276             });
1277             mDialogView.setAccessibilityDelegate(this);
1278             mAccessibilityMgr.addAccessibilityStateChangeListener(mListener);
1279             updateFeedbackEnabled();
1280         }
1281 
destroy()1282         public void destroy() {
1283             mAccessibilityMgr.removeAccessibilityStateChangeListener(mListener);
1284         }
1285 
1286         @Override
onRequestSendAccessibilityEvent(ViewGroup host, View child, AccessibilityEvent event)1287         public boolean onRequestSendAccessibilityEvent(ViewGroup host, View child,
1288                 AccessibilityEvent event) {
1289             rescheduleTimeoutH();
1290             return super.onRequestSendAccessibilityEvent(host, child, event);
1291         }
1292 
updateFeedbackEnabled()1293         private void updateFeedbackEnabled() {
1294             mFeedbackEnabled = computeFeedbackEnabled();
1295         }
1296 
computeFeedbackEnabled()1297         private boolean computeFeedbackEnabled() {
1298             // are there any enabled non-generic a11y services?
1299             final List<AccessibilityServiceInfo> services =
1300                     mAccessibilityMgr.getEnabledAccessibilityServiceList(FEEDBACK_ALL_MASK);
1301             for (AccessibilityServiceInfo asi : services) {
1302                 if (asi.feedbackType != 0 && asi.feedbackType != FEEDBACK_GENERIC) {
1303                     return true;
1304                 }
1305             }
1306             return false;
1307         }
1308 
1309         private final AccessibilityStateChangeListener mListener =
1310                 enabled -> updateFeedbackEnabled();
1311     }
1312 
1313     private static class VolumeRow {
1314         private View view;
1315         private TextView header;
1316         private ImageButton icon;
1317         private SeekBar slider;
1318         private int stream;
1319         private StreamState ss;
1320         private long userAttempt;  // last user-driven slider change
1321         private boolean tracking;  // tracking slider touch
1322         private int requestedLevel = -1;  // pending user-requested level via progress changed
1323         private int iconRes;
1324         private int iconMuteRes;
1325         private boolean important;
1326         private int cachedIconRes;
1327         private ColorStateList cachedSliderTint;
1328         private int iconState;  // from Events
1329         private ObjectAnimator anim;  // slider progress animation for non-touch-related updates
1330         private int animTargetProgress;
1331         private int lastAudibleLevel = 1;
1332     }
1333 }
1334