1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.systemui.power;
18 
19 import android.app.KeyguardManager;
20 import android.app.Notification;
21 import android.app.NotificationManager;
22 import android.app.PendingIntent;
23 import android.content.ActivityNotFoundException;
24 import android.content.BroadcastReceiver;
25 import android.content.ContentResolver;
26 import android.content.Context;
27 import android.content.Intent;
28 import android.content.IntentFilter;
29 import android.media.AudioAttributes;
30 import android.net.Uri;
31 import android.os.Bundle;
32 import android.os.Handler;
33 import android.os.Looper;
34 import android.os.PowerManager;
35 import android.os.UserHandle;
36 import android.provider.Settings;
37 import android.provider.Settings.Global;
38 import android.provider.Settings.Secure;
39 import android.text.Annotation;
40 import android.text.Layout;
41 import android.text.SpannableString;
42 import android.text.SpannableStringBuilder;
43 import android.text.TextPaint;
44 import android.text.TextUtils;
45 import android.text.method.LinkMovementMethod;
46 import android.text.style.URLSpan;
47 import android.util.Log;
48 import android.util.Slog;
49 import android.view.View;
50 import android.view.WindowManager;
51 
52 import androidx.annotation.VisibleForTesting;
53 
54 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
55 import com.android.settingslib.Utils;
56 import com.android.settingslib.fuelgauge.BatterySaverUtils;
57 import com.android.settingslib.utils.PowerUtil;
58 import com.android.systemui.Dependency;
59 import com.android.systemui.R;
60 import com.android.systemui.SystemUI;
61 import com.android.systemui.plugins.ActivityStarter;
62 import com.android.systemui.statusbar.phone.SystemUIDialog;
63 import com.android.systemui.util.NotificationChannels;
64 import com.android.systemui.volume.Events;
65 
66 import java.io.PrintWriter;
67 import java.text.NumberFormat;
68 import java.util.Locale;
69 import java.util.Objects;
70 
71 import javax.inject.Inject;
72 import javax.inject.Singleton;
73 
74 /**
75  */
76 @Singleton
77 public class PowerNotificationWarnings implements PowerUI.WarningsUI {
78 
79     private static final String TAG = PowerUI.TAG + ".Notification";
80     private static final boolean DEBUG = PowerUI.DEBUG;
81 
82     private static final String TAG_BATTERY = "low_battery";
83     private static final String TAG_TEMPERATURE = "high_temp";
84     private static final String TAG_AUTO_SAVER = "auto_saver";
85 
86     private static final int SHOWING_NOTHING = 0;
87     private static final int SHOWING_WARNING = 1;
88     private static final int SHOWING_INVALID_CHARGER = 3;
89     private static final int SHOWING_AUTO_SAVER_SUGGESTION = 4;
90     private static final String[] SHOWING_STRINGS = {
91         "SHOWING_NOTHING",
92         "SHOWING_WARNING",
93         "SHOWING_SAVER",
94         "SHOWING_INVALID_CHARGER",
95         "SHOWING_AUTO_SAVER_SUGGESTION",
96     };
97 
98     private static final String ACTION_SHOW_BATTERY_SETTINGS = "PNW.batterySettings";
99     private static final String ACTION_START_SAVER = "PNW.startSaver";
100     private static final String ACTION_DISMISSED_WARNING = "PNW.dismissedWarning";
101     private static final String ACTION_CLICKED_TEMP_WARNING = "PNW.clickedTempWarning";
102     private static final String ACTION_DISMISSED_TEMP_WARNING = "PNW.dismissedTempWarning";
103     private static final String ACTION_CLICKED_THERMAL_SHUTDOWN_WARNING =
104             "PNW.clickedThermalShutdownWarning";
105     private static final String ACTION_DISMISSED_THERMAL_SHUTDOWN_WARNING =
106             "PNW.dismissedThermalShutdownWarning";
107     private static final String ACTION_SHOW_START_SAVER_CONFIRMATION =
108             BatterySaverUtils.ACTION_SHOW_START_SAVER_CONFIRMATION;
109     private static final String ACTION_SHOW_AUTO_SAVER_SUGGESTION =
110             BatterySaverUtils.ACTION_SHOW_AUTO_SAVER_SUGGESTION;
111     private static final String ACTION_DISMISS_AUTO_SAVER_SUGGESTION =
112             "PNW.dismissAutoSaverSuggestion";
113 
114     private static final String ACTION_ENABLE_AUTO_SAVER =
115             "PNW.enableAutoSaver";
116     private static final String ACTION_AUTO_SAVER_NO_THANKS =
117             "PNW.autoSaverNoThanks";
118 
119     private static final String SETTINGS_ACTION_OPEN_BATTERY_SAVER_SETTING =
120             "android.settings.BATTERY_SAVER_SETTINGS";
121     public static final String BATTERY_SAVER_SCHEDULE_SCREEN_INTENT_ACTION =
122             "com.android.settings.BATTERY_SAVER_SCHEDULE_SETTINGS";
123 
124     private static final String BATTERY_SAVER_DESCRIPTION_URL_KEY = "url";
125 
126     private static final AudioAttributes AUDIO_ATTRIBUTES = new AudioAttributes.Builder()
127             .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
128             .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
129             .build();
130     public static final String EXTRA_CONFIRM_ONLY = "extra_confirm_only";
131 
132     private final Context mContext;
133     private final NotificationManager mNoMan;
134     private final PowerManager mPowerMan;
135     private final KeyguardManager mKeyguard;
136     private final Handler mHandler = new Handler(Looper.getMainLooper());
137     private final Receiver mReceiver = new Receiver();
138     private final Intent mOpenBatterySettings = settings(Intent.ACTION_POWER_USAGE_SUMMARY);
139 
140     private int mBatteryLevel;
141     private int mBucket;
142     private long mScreenOffTime;
143     private int mShowing;
144 
145     private long mWarningTriggerTimeMs;
146     private boolean mWarning;
147     private boolean mShowAutoSaverSuggestion;
148     private boolean mPlaySound;
149     private boolean mInvalidCharger;
150     private SystemUIDialog mSaverConfirmation;
151     private SystemUIDialog mSaverEnabledConfirmation;
152     private boolean mHighTempWarning;
153     private SystemUIDialog mHighTempDialog;
154     private SystemUIDialog mThermalShutdownDialog;
155     @VisibleForTesting SystemUIDialog mUsbHighTempDialog;
156     private BatteryStateSnapshot mCurrentBatterySnapshot;
157     private ActivityStarter mActivityStarter;
158 
159     /**
160      */
161     @Inject
PowerNotificationWarnings(Context context, ActivityStarter activityStarter)162     public PowerNotificationWarnings(Context context, ActivityStarter activityStarter) {
163         mContext = context;
164         mNoMan = mContext.getSystemService(NotificationManager.class);
165         mPowerMan = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
166         mKeyguard = mContext.getSystemService(KeyguardManager.class);
167         mReceiver.init();
168         mActivityStarter = activityStarter;
169     }
170 
171     @Override
dump(PrintWriter pw)172     public void dump(PrintWriter pw) {
173         pw.print("mWarning="); pw.println(mWarning);
174         pw.print("mPlaySound="); pw.println(mPlaySound);
175         pw.print("mInvalidCharger="); pw.println(mInvalidCharger);
176         pw.print("mShowing="); pw.println(SHOWING_STRINGS[mShowing]);
177         pw.print("mSaverConfirmation="); pw.println(mSaverConfirmation != null ? "not null" : null);
178         pw.print("mSaverEnabledConfirmation=");
179         pw.print("mHighTempWarning="); pw.println(mHighTempWarning);
180         pw.print("mHighTempDialog="); pw.println(mHighTempDialog != null ? "not null" : null);
181         pw.print("mThermalShutdownDialog=");
182         pw.println(mThermalShutdownDialog != null ? "not null" : null);
183         pw.print("mUsbHighTempDialog=");
184         pw.println(mUsbHighTempDialog != null ? "not null" : null);
185     }
186 
getLowBatteryAutoTriggerDefaultLevel()187     private int getLowBatteryAutoTriggerDefaultLevel() {
188         return mContext.getResources().getInteger(
189                 com.android.internal.R.integer.config_lowBatteryAutoTriggerDefaultLevel);
190     }
191 
192     @Override
update(int batteryLevel, int bucket, long screenOffTime)193     public void update(int batteryLevel, int bucket, long screenOffTime) {
194         mBatteryLevel = batteryLevel;
195         if (bucket >= 0) {
196             mWarningTriggerTimeMs = 0;
197         } else if (bucket < mBucket) {
198             mWarningTriggerTimeMs = System.currentTimeMillis();
199         }
200         mBucket = bucket;
201         mScreenOffTime = screenOffTime;
202     }
203 
204     @Override
updateSnapshot(BatteryStateSnapshot snapshot)205     public void updateSnapshot(BatteryStateSnapshot snapshot) {
206         mCurrentBatterySnapshot = snapshot;
207     }
208 
updateNotification()209     private void updateNotification() {
210         if (DEBUG) Slog.d(TAG, "updateNotification mWarning=" + mWarning + " mPlaySound="
211                 + mPlaySound + " mInvalidCharger=" + mInvalidCharger);
212         if (mInvalidCharger) {
213             showInvalidChargerNotification();
214             mShowing = SHOWING_INVALID_CHARGER;
215         } else if (mWarning) {
216             showWarningNotification();
217             mShowing = SHOWING_WARNING;
218         } else if (mShowAutoSaverSuggestion) {
219             // Once we showed the notification, don't show it again until it goes SHOWING_NOTHING.
220             // This shouldn't be needed, because we have a delete intent on this notification
221             // so when it's dismissed we should notice it and clear mShowAutoSaverSuggestion,
222             // However we double check here just in case the dismiss intent broadcast is delayed.
223             if (mShowing != SHOWING_AUTO_SAVER_SUGGESTION) {
224                 showAutoSaverSuggestionNotification();
225             }
226             mShowing = SHOWING_AUTO_SAVER_SUGGESTION;
227         } else {
228             mNoMan.cancelAsUser(TAG_BATTERY, SystemMessage.NOTE_BAD_CHARGER, UserHandle.ALL);
229             mNoMan.cancelAsUser(TAG_BATTERY, SystemMessage.NOTE_POWER_LOW, UserHandle.ALL);
230             mNoMan.cancelAsUser(TAG_AUTO_SAVER,
231                     SystemMessage.NOTE_AUTO_SAVER_SUGGESTION, UserHandle.ALL);
232             mShowing = SHOWING_NOTHING;
233         }
234     }
235 
showInvalidChargerNotification()236     private void showInvalidChargerNotification() {
237         final Notification.Builder nb =
238                 new Notification.Builder(mContext, NotificationChannels.ALERTS)
239                         .setSmallIcon(R.drawable.ic_power_low)
240                         .setWhen(0)
241                         .setShowWhen(false)
242                         .setOngoing(true)
243                         .setContentTitle(mContext.getString(R.string.invalid_charger_title))
244                         .setContentText(mContext.getString(R.string.invalid_charger_text))
245                         .setColor(mContext.getColor(
246                                 com.android.internal.R.color.system_notification_accent_color));
247         SystemUI.overrideNotificationAppName(mContext, nb, false);
248         final Notification n = nb.build();
249         mNoMan.cancelAsUser(TAG_BATTERY, SystemMessage.NOTE_POWER_LOW, UserHandle.ALL);
250         mNoMan.notifyAsUser(TAG_BATTERY, SystemMessage.NOTE_BAD_CHARGER, n, UserHandle.ALL);
251     }
252 
showWarningNotification()253     protected void showWarningNotification() {
254         final String percentage = NumberFormat.getPercentInstance()
255                 .format((double) mCurrentBatterySnapshot.getBatteryLevel() / 100.0);
256 
257         // get shared standard notification copy
258         String title = mContext.getString(R.string.battery_low_title);
259         String contentText;
260 
261         // get correct content text if notification is hybrid or not
262         if (mCurrentBatterySnapshot.isHybrid()) {
263             contentText = getHybridContentString(percentage);
264         } else {
265             contentText = mContext.getString(R.string.battery_low_percent_format, percentage);
266         }
267 
268         final Notification.Builder nb =
269                 new Notification.Builder(mContext, NotificationChannels.BATTERY)
270                         .setSmallIcon(R.drawable.ic_power_low)
271                         // Bump the notification when the bucket dropped.
272                         .setWhen(mWarningTriggerTimeMs)
273                         .setShowWhen(false)
274                         .setContentText(contentText)
275                         .setContentTitle(title)
276                         .setOnlyAlertOnce(true)
277                         .setDeleteIntent(pendingBroadcast(ACTION_DISMISSED_WARNING))
278                         .setStyle(new Notification.BigTextStyle().bigText(contentText))
279                         .setVisibility(Notification.VISIBILITY_PUBLIC);
280         if (hasBatterySettings()) {
281             nb.setContentIntent(pendingBroadcast(ACTION_SHOW_BATTERY_SETTINGS));
282         }
283         // Make the notification red if the percentage goes below a certain amount or the time
284         // remaining estimate is disabled
285         if (!mCurrentBatterySnapshot.isHybrid() || mBucket < 0
286                 || mCurrentBatterySnapshot.getTimeRemainingMillis()
287                         < mCurrentBatterySnapshot.getSevereThresholdMillis()) {
288             nb.setColor(Utils.getColorAttrDefaultColor(mContext, android.R.attr.colorError));
289         }
290 
291         if (!mPowerMan.isPowerSaveMode()) {
292             nb.addAction(0,
293                     mContext.getString(R.string.battery_saver_start_action),
294                     pendingBroadcast(ACTION_START_SAVER));
295         }
296         nb.setOnlyAlertOnce(!mPlaySound);
297         mPlaySound = false;
298         SystemUI.overrideNotificationAppName(mContext, nb, false);
299         final Notification n = nb.build();
300         mNoMan.cancelAsUser(TAG_BATTERY, SystemMessage.NOTE_BAD_CHARGER, UserHandle.ALL);
301         mNoMan.notifyAsUser(TAG_BATTERY, SystemMessage.NOTE_POWER_LOW, n, UserHandle.ALL);
302     }
303 
showAutoSaverSuggestionNotification()304     private void showAutoSaverSuggestionNotification() {
305         final Notification.Builder nb =
306                 new Notification.Builder(mContext, NotificationChannels.HINTS)
307                         .setSmallIcon(R.drawable.ic_power_saver)
308                         .setWhen(0)
309                         .setShowWhen(false)
310                         .setContentTitle(mContext.getString(R.string.auto_saver_title))
311                         .setContentText(mContext.getString(R.string.auto_saver_text));
312         nb.setContentIntent(pendingBroadcast(ACTION_ENABLE_AUTO_SAVER));
313         nb.setDeleteIntent(pendingBroadcast(ACTION_DISMISS_AUTO_SAVER_SUGGESTION));
314         nb.addAction(0,
315                 mContext.getString(R.string.no_auto_saver_action),
316                 pendingBroadcast(ACTION_AUTO_SAVER_NO_THANKS));
317 
318         SystemUI.overrideNotificationAppName(mContext, nb, false);
319 
320         final Notification n = nb.build();
321         mNoMan.notifyAsUser(
322                 TAG_AUTO_SAVER, SystemMessage.NOTE_AUTO_SAVER_SUGGESTION, n, UserHandle.ALL);
323     }
324 
getHybridContentString(String percentage)325     private String getHybridContentString(String percentage) {
326         return PowerUtil.getBatteryRemainingStringFormatted(
327                 mContext,
328                 mCurrentBatterySnapshot.getTimeRemainingMillis(),
329                 percentage,
330                 mCurrentBatterySnapshot.isBasedOnUsage());
331     }
332 
pendingBroadcast(String action)333     private PendingIntent pendingBroadcast(String action) {
334         return PendingIntent.getBroadcastAsUser(mContext, 0,
335                 new Intent(action).setPackage(mContext.getPackageName())
336                     .setFlags(Intent.FLAG_RECEIVER_FOREGROUND),
337                 0, UserHandle.CURRENT);
338     }
339 
settings(String action)340     private static Intent settings(String action) {
341         return new Intent(action).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
342                 | Intent.FLAG_ACTIVITY_MULTIPLE_TASK
343                 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
344                 | Intent.FLAG_ACTIVITY_NO_HISTORY
345                 | Intent.FLAG_ACTIVITY_CLEAR_TOP);
346     }
347 
348     @Override
isInvalidChargerWarningShowing()349     public boolean isInvalidChargerWarningShowing() {
350         return mInvalidCharger;
351     }
352 
353     @Override
dismissHighTemperatureWarning()354     public void dismissHighTemperatureWarning() {
355         if (!mHighTempWarning) {
356             return;
357         }
358         dismissHighTemperatureWarningInternal();
359     }
360 
361     /**
362      * Internal only version of {@link #dismissHighTemperatureWarning()} that simply dismisses
363      * the notification. As such, the notification will not show again until
364      * {@link #dismissHighTemperatureWarning()} is called.
365      */
dismissHighTemperatureWarningInternal()366     private void dismissHighTemperatureWarningInternal() {
367         mNoMan.cancelAsUser(TAG_TEMPERATURE, SystemMessage.NOTE_HIGH_TEMP, UserHandle.ALL);
368         mHighTempWarning = false;
369     }
370 
371     @Override
showHighTemperatureWarning()372     public void showHighTemperatureWarning() {
373         if (mHighTempWarning) {
374             return;
375         }
376         mHighTempWarning = true;
377         final Notification.Builder nb =
378                 new Notification.Builder(mContext, NotificationChannels.ALERTS)
379                         .setSmallIcon(R.drawable.ic_device_thermostat_24)
380                         .setWhen(0)
381                         .setShowWhen(false)
382                         .setContentTitle(mContext.getString(R.string.high_temp_title))
383                         .setContentText(mContext.getString(R.string.high_temp_notif_message))
384                         .setVisibility(Notification.VISIBILITY_PUBLIC)
385                         .setContentIntent(pendingBroadcast(ACTION_CLICKED_TEMP_WARNING))
386                         .setDeleteIntent(pendingBroadcast(ACTION_DISMISSED_TEMP_WARNING))
387                         .setColor(Utils.getColorAttrDefaultColor(mContext,
388                                 android.R.attr.colorError));
389         SystemUI.overrideNotificationAppName(mContext, nb, false);
390         final Notification n = nb.build();
391         mNoMan.notifyAsUser(TAG_TEMPERATURE, SystemMessage.NOTE_HIGH_TEMP, n, UserHandle.ALL);
392     }
393 
showHighTemperatureDialog()394     private void showHighTemperatureDialog() {
395         if (mHighTempDialog != null) return;
396         final SystemUIDialog d = new SystemUIDialog(mContext);
397         d.setIconAttribute(android.R.attr.alertDialogIcon);
398         d.setTitle(R.string.high_temp_title);
399         d.setMessage(R.string.high_temp_dialog_message);
400         d.setPositiveButton(com.android.internal.R.string.ok, null);
401         d.setShowForAllUsers(true);
402         d.setOnDismissListener(dialog -> mHighTempDialog = null);
403         d.show();
404         mHighTempDialog = d;
405     }
406 
407     @VisibleForTesting
dismissThermalShutdownWarning()408     void dismissThermalShutdownWarning() {
409         mNoMan.cancelAsUser(TAG_TEMPERATURE, SystemMessage.NOTE_THERMAL_SHUTDOWN, UserHandle.ALL);
410     }
411 
showThermalShutdownDialog()412     private void showThermalShutdownDialog() {
413         if (mThermalShutdownDialog != null) return;
414         final SystemUIDialog d = new SystemUIDialog(mContext);
415         d.setIconAttribute(android.R.attr.alertDialogIcon);
416         d.setTitle(R.string.thermal_shutdown_title);
417         d.setMessage(R.string.thermal_shutdown_dialog_message);
418         d.setPositiveButton(com.android.internal.R.string.ok, null);
419         d.setShowForAllUsers(true);
420         d.setOnDismissListener(dialog -> mThermalShutdownDialog = null);
421         d.show();
422         mThermalShutdownDialog = d;
423     }
424 
425     @Override
showThermalShutdownWarning()426     public void showThermalShutdownWarning() {
427         final Notification.Builder nb =
428                 new Notification.Builder(mContext, NotificationChannels.ALERTS)
429                         .setSmallIcon(R.drawable.ic_device_thermostat_24)
430                         .setWhen(0)
431                         .setShowWhen(false)
432                         .setContentTitle(mContext.getString(R.string.thermal_shutdown_title))
433                         .setContentText(mContext.getString(R.string.thermal_shutdown_message))
434                         .setVisibility(Notification.VISIBILITY_PUBLIC)
435                         .setContentIntent(pendingBroadcast(ACTION_CLICKED_THERMAL_SHUTDOWN_WARNING))
436                         .setDeleteIntent(
437                                 pendingBroadcast(ACTION_DISMISSED_THERMAL_SHUTDOWN_WARNING))
438                         .setColor(Utils.getColorAttrDefaultColor(mContext,
439                                 android.R.attr.colorError));
440         SystemUI.overrideNotificationAppName(mContext, nb, false);
441         final Notification n = nb.build();
442         mNoMan.notifyAsUser(
443                 TAG_TEMPERATURE, SystemMessage.NOTE_THERMAL_SHUTDOWN, n, UserHandle.ALL);
444     }
445 
446     @Override
showUsbHighTemperatureAlarm()447     public void showUsbHighTemperatureAlarm() {
448         mHandler.post(() -> showUsbHighTemperatureAlarmInternal());
449     }
450 
showUsbHighTemperatureAlarmInternal()451     private void showUsbHighTemperatureAlarmInternal() {
452         if (mUsbHighTempDialog != null) {
453             return;
454         }
455 
456         final SystemUIDialog d = new SystemUIDialog(mContext, R.style.Theme_SystemUI_Dialog_Alert);
457         d.setCancelable(false);
458         d.setIconAttribute(android.R.attr.alertDialogIcon);
459         d.setTitle(R.string.high_temp_alarm_title);
460         d.setShowForAllUsers(true);
461         d.setMessage(mContext.getString(R.string.high_temp_alarm_notify_message, ""));
462         d.setPositiveButton((com.android.internal.R.string.ok),
463                 (dialogInterface, which) -> mUsbHighTempDialog = null);
464         d.setNegativeButton((R.string.high_temp_alarm_help_care_steps),
465                 (dialogInterface, which) -> {
466                     final String contextString = mContext.getString(
467                             R.string.high_temp_alarm_help_url);
468                     final Intent helpIntent = new Intent();
469                     helpIntent.setClassName("com.android.settings",
470                             "com.android.settings.HelpTrampoline");
471                     helpIntent.putExtra(Intent.EXTRA_TEXT, contextString);
472                     Dependency.get(ActivityStarter.class).startActivity(helpIntent,
473                             true /* dismissShade */, resultCode -> {
474                                 mUsbHighTempDialog = null;
475                             });
476                 });
477         d.setOnDismissListener(dialogInterface -> {
478             mUsbHighTempDialog = null;
479             Events.writeEvent(mContext, Events.EVENT_DISMISS_USB_OVERHEAT_ALARM,
480                     Events.DISMISS_REASON_USB_OVERHEAD_ALARM_CHANGED,
481                     mKeyguard.isKeyguardLocked());
482         });
483         d.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
484                 | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
485         d.show();
486         mUsbHighTempDialog = d;
487 
488         Events.writeEvent(mContext, Events.EVENT_SHOW_USB_OVERHEAT_ALARM,
489                 Events.SHOW_REASON_USB_OVERHEAD_ALARM_CHANGED,
490                 mKeyguard.isKeyguardLocked());
491     }
492 
493     @Override
updateLowBatteryWarning()494     public void updateLowBatteryWarning() {
495         updateNotification();
496     }
497 
498     @Override
dismissLowBatteryWarning()499     public void dismissLowBatteryWarning() {
500         if (DEBUG) Slog.d(TAG, "dismissing low battery warning: level=" + mBatteryLevel);
501         dismissLowBatteryNotification();
502     }
503 
dismissLowBatteryNotification()504     private void dismissLowBatteryNotification() {
505         if (mWarning) Slog.i(TAG, "dismissing low battery notification");
506         mWarning = false;
507         updateNotification();
508     }
509 
hasBatterySettings()510     private boolean hasBatterySettings() {
511         return mOpenBatterySettings.resolveActivity(mContext.getPackageManager()) != null;
512     }
513 
514     @Override
showLowBatteryWarning(boolean playSound)515     public void showLowBatteryWarning(boolean playSound) {
516         Slog.i(TAG,
517                 "show low battery warning: level=" + mBatteryLevel
518                         + " [" + mBucket + "] playSound=" + playSound);
519         mPlaySound = playSound;
520         mWarning = true;
521         updateNotification();
522     }
523 
524     @Override
dismissInvalidChargerWarning()525     public void dismissInvalidChargerWarning() {
526         dismissInvalidChargerNotification();
527     }
528 
dismissInvalidChargerNotification()529     private void dismissInvalidChargerNotification() {
530         if (mInvalidCharger) Slog.i(TAG, "dismissing invalid charger notification");
531         mInvalidCharger = false;
532         updateNotification();
533     }
534 
535     @Override
showInvalidChargerWarning()536     public void showInvalidChargerWarning() {
537         mInvalidCharger = true;
538         updateNotification();
539     }
540 
showAutoSaverSuggestion()541     private void showAutoSaverSuggestion() {
542         mShowAutoSaverSuggestion = true;
543         updateNotification();
544     }
545 
dismissAutoSaverSuggestion()546     private void dismissAutoSaverSuggestion() {
547         mShowAutoSaverSuggestion = false;
548         updateNotification();
549     }
550 
551     @Override
userSwitched()552     public void userSwitched() {
553         updateNotification();
554     }
555 
showStartSaverConfirmation(Bundle extras)556     private void showStartSaverConfirmation(Bundle extras) {
557         if (mSaverConfirmation != null) return;
558         final SystemUIDialog d = new SystemUIDialog(mContext);
559         final boolean confirmOnly = extras.getBoolean(BatterySaverUtils.EXTRA_CONFIRM_TEXT_ONLY);
560         final int batterySaverTriggerMode =
561                 extras.getInt(BatterySaverUtils.EXTRA_POWER_SAVE_MODE_TRIGGER,
562                         PowerManager.POWER_SAVE_MODE_TRIGGER_PERCENTAGE);
563         final int batterySaverTriggerLevel =
564                 extras.getInt(BatterySaverUtils.EXTRA_POWER_SAVE_MODE_TRIGGER_LEVEL, 0);
565         d.setMessage(getBatterySaverDescription());
566 
567         // Sad hack for http://b/78261259 and http://b/78298335. Otherwise "Battery" may be split
568         // into "Bat-tery".
569         if (isEnglishLocale()) {
570             d.setMessageHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE);
571         }
572         // We need to set LinkMovementMethod to make the link clickable.
573         d.setMessageMovementMethod(LinkMovementMethod.getInstance());
574 
575         if (confirmOnly) {
576             d.setTitle(R.string.battery_saver_confirmation_title_generic);
577             d.setPositiveButton(com.android.internal.R.string.confirm_battery_saver,
578                     (dialog, which) -> {
579                         final ContentResolver resolver = mContext.getContentResolver();
580                         Settings.Global.putInt(
581                                 resolver,
582                                 Global.AUTOMATIC_POWER_SAVE_MODE,
583                                 batterySaverTriggerMode);
584                         Settings.Global.putInt(
585                                 resolver,
586                                 Global.LOW_POWER_MODE_TRIGGER_LEVEL,
587                                 batterySaverTriggerLevel);
588                         Secure.putInt(
589                                 resolver,
590                                 Secure.LOW_POWER_WARNING_ACKNOWLEDGED,
591                                 1);
592                     });
593         } else {
594             d.setTitle(R.string.battery_saver_confirmation_title);
595             d.setPositiveButton(R.string.battery_saver_confirmation_ok,
596                     (dialog, which) -> setSaverMode(true, false));
597             d.setNegativeButton(android.R.string.cancel, null);
598         }
599         d.setShowForAllUsers(true);
600         d.setOnDismissListener((dialog) -> mSaverConfirmation = null);
601         d.show();
602         mSaverConfirmation = d;
603     }
604 
isEnglishLocale()605     private boolean isEnglishLocale() {
606         return Objects.equals(Locale.getDefault().getLanguage(),
607                 Locale.ENGLISH.getLanguage());
608     }
609 
610     /**
611      * Generates the message for the "want to start battery saver?" dialog with a "learn more" link.
612      */
getBatterySaverDescription()613     private CharSequence getBatterySaverDescription() {
614         final String learnMoreUrl = mContext.getText(
615                 R.string.help_uri_battery_saver_learn_more_link_target).toString();
616 
617         // If there's no link, use the string with no "learn more".
618         if (TextUtils.isEmpty(learnMoreUrl)) {
619             return mContext.getText(
620                     com.android.internal.R.string.battery_saver_description);
621         }
622 
623         // If we have a link, use the string with the "learn more" link.
624         final CharSequence rawText = mContext.getText(
625                 com.android.internal.R.string.battery_saver_description_with_learn_more);
626         final SpannableString message = new SpannableString(rawText);
627         final SpannableStringBuilder builder = new SpannableStringBuilder(message);
628 
629         // Look for the "learn more" part of the string, and set a URL span on it.
630         // We use a customized URLSpan to add FLAG_RECEIVER_FOREGROUND to the intent, and
631         // also to close the dialog.
632         for (Annotation annotation : message.getSpans(0, message.length(), Annotation.class)) {
633             final String key = annotation.getValue();
634 
635             if (!BATTERY_SAVER_DESCRIPTION_URL_KEY.equals(key)) {
636                 continue;
637             }
638             final int start = message.getSpanStart(annotation);
639             final int end = message.getSpanEnd(annotation);
640 
641             // Replace the "learn more" with a custom URL span, with
642             // - No underline.
643             // - When clicked, close the dialog and the notification shade.
644             final URLSpan urlSpan = new URLSpan(learnMoreUrl) {
645                 @Override
646                 public void updateDrawState(TextPaint ds) {
647                     super.updateDrawState(ds);
648                     ds.setUnderlineText(false);
649                 }
650 
651                 @Override
652                 public void onClick(View widget) {
653                     // Close the parent dialog.
654                     if (mSaverConfirmation != null) {
655                         mSaverConfirmation.dismiss();
656                     }
657                     // Also close the notification shade, if it's open.
658                     mContext.sendBroadcast(
659                             new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)
660                             .setFlags(Intent.FLAG_RECEIVER_FOREGROUND));
661 
662                     final Uri uri = Uri.parse(getURL());
663                     Context context = widget.getContext();
664                     Intent intent = new Intent(Intent.ACTION_VIEW, uri)
665                             .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
666                     try {
667                         context.startActivity(intent);
668                     } catch (ActivityNotFoundException e) {
669                         Log.w(TAG, "Activity was not found for intent, " + intent.toString());
670                     }
671                 }
672             };
673             builder.setSpan(urlSpan, start, end, message.getSpanFlags(urlSpan));
674         }
675         return builder;
676     }
677 
setSaverMode(boolean mode, boolean needFirstTimeWarning)678     private void setSaverMode(boolean mode, boolean needFirstTimeWarning) {
679         BatterySaverUtils.setPowerSaveMode(mContext, mode, needFirstTimeWarning);
680     }
681 
startBatterySaverSchedulePage()682     private void startBatterySaverSchedulePage() {
683         Intent intent = new Intent(BATTERY_SAVER_SCHEDULE_SCREEN_INTENT_ACTION);
684         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
685         mActivityStarter.startActivity(intent, true /* dismissShade */);
686     }
687 
688     private final class Receiver extends BroadcastReceiver {
689 
init()690         public void init() {
691             IntentFilter filter = new IntentFilter();
692             filter.addAction(ACTION_SHOW_BATTERY_SETTINGS);
693             filter.addAction(ACTION_START_SAVER);
694             filter.addAction(ACTION_DISMISSED_WARNING);
695             filter.addAction(ACTION_CLICKED_TEMP_WARNING);
696             filter.addAction(ACTION_DISMISSED_TEMP_WARNING);
697             filter.addAction(ACTION_CLICKED_THERMAL_SHUTDOWN_WARNING);
698             filter.addAction(ACTION_DISMISSED_THERMAL_SHUTDOWN_WARNING);
699             filter.addAction(ACTION_SHOW_START_SAVER_CONFIRMATION);
700             filter.addAction(ACTION_SHOW_AUTO_SAVER_SUGGESTION);
701             filter.addAction(ACTION_ENABLE_AUTO_SAVER);
702             filter.addAction(ACTION_AUTO_SAVER_NO_THANKS);
703             filter.addAction(ACTION_DISMISS_AUTO_SAVER_SUGGESTION);
704             mContext.registerReceiverAsUser(this, UserHandle.ALL, filter,
705                     android.Manifest.permission.DEVICE_POWER, mHandler);
706         }
707 
708         @Override
onReceive(Context context, Intent intent)709         public void onReceive(Context context, Intent intent) {
710             final String action = intent.getAction();
711             Slog.i(TAG, "Received " + action);
712             if (action.equals(ACTION_SHOW_BATTERY_SETTINGS)) {
713                 dismissLowBatteryNotification();
714                 mContext.startActivityAsUser(mOpenBatterySettings, UserHandle.CURRENT);
715             } else if (action.equals(ACTION_START_SAVER)) {
716                 setSaverMode(true, true);
717                 dismissLowBatteryNotification();
718             } else if (action.equals(ACTION_SHOW_START_SAVER_CONFIRMATION)) {
719                 dismissLowBatteryNotification();
720                 showStartSaverConfirmation(intent.getExtras());
721             } else if (action.equals(ACTION_DISMISSED_WARNING)) {
722                 dismissLowBatteryWarning();
723             } else if (ACTION_CLICKED_TEMP_WARNING.equals(action)) {
724                 dismissHighTemperatureWarningInternal();
725                 showHighTemperatureDialog();
726             } else if (ACTION_DISMISSED_TEMP_WARNING.equals(action)) {
727                 dismissHighTemperatureWarningInternal();
728             } else if (ACTION_CLICKED_THERMAL_SHUTDOWN_WARNING.equals(action)) {
729                 dismissThermalShutdownWarning();
730                 showThermalShutdownDialog();
731             } else if (ACTION_DISMISSED_THERMAL_SHUTDOWN_WARNING.equals(action)) {
732                 dismissThermalShutdownWarning();
733             } else if (ACTION_SHOW_AUTO_SAVER_SUGGESTION.equals(action)) {
734                 showAutoSaverSuggestion();
735             } else if (ACTION_DISMISS_AUTO_SAVER_SUGGESTION.equals(action)) {
736                 dismissAutoSaverSuggestion();
737             } else if (ACTION_ENABLE_AUTO_SAVER.equals(action)) {
738                 dismissAutoSaverSuggestion();
739                 startBatterySaverSchedulePage();
740             } else if (ACTION_AUTO_SAVER_NO_THANKS.equals(action)) {
741                 dismissAutoSaverSuggestion();
742                 BatterySaverUtils.suppressAutoBatterySaver(context);
743             }
744         }
745     }
746 }
747