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.Notification; 20 import android.app.NotificationManager; 21 import android.app.PendingIntent; 22 import android.content.BroadcastReceiver; 23 import android.content.ContentResolver; 24 import android.content.Context; 25 import android.content.DialogInterface; 26 import android.content.DialogInterface.OnClickListener; 27 import android.content.DialogInterface.OnDismissListener; 28 import android.content.Intent; 29 import android.content.IntentFilter; 30 import android.media.AudioAttributes; 31 import android.net.Uri; 32 import android.os.AsyncTask; 33 import android.os.Handler; 34 import android.os.PowerManager; 35 import android.os.SystemClock; 36 import android.os.UserHandle; 37 import android.provider.Settings; 38 import android.util.Slog; 39 import android.view.View; 40 41 import com.android.systemui.R; 42 import com.android.systemui.statusbar.phone.PhoneStatusBar; 43 import com.android.systemui.statusbar.phone.SystemUIDialog; 44 45 import java.io.PrintWriter; 46 47 public class PowerNotificationWarnings implements PowerUI.WarningsUI { 48 private static final String TAG = PowerUI.TAG + ".Notification"; 49 private static final boolean DEBUG = PowerUI.DEBUG; 50 51 private static final String TAG_NOTIFICATION = "low_battery"; 52 private static final int ID_NOTIFICATION = 100; 53 54 private static final int SHOWING_NOTHING = 0; 55 private static final int SHOWING_WARNING = 1; 56 private static final int SHOWING_SAVER = 2; 57 private static final int SHOWING_INVALID_CHARGER = 3; 58 private static final String[] SHOWING_STRINGS = { 59 "SHOWING_NOTHING", 60 "SHOWING_WARNING", 61 "SHOWING_SAVER", 62 "SHOWING_INVALID_CHARGER", 63 }; 64 65 private static final String ACTION_SHOW_BATTERY_SETTINGS = "PNW.batterySettings"; 66 private static final String ACTION_START_SAVER = "PNW.startSaver"; 67 private static final String ACTION_STOP_SAVER = "PNW.stopSaver"; 68 69 private static final AudioAttributes AUDIO_ATTRIBUTES = new AudioAttributes.Builder() 70 .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION) 71 .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION) 72 .build(); 73 74 private final Context mContext; 75 private final NotificationManager mNoMan; 76 private final PowerManager mPowerMan; 77 private final Handler mHandler = new Handler(); 78 private final Receiver mReceiver = new Receiver(); 79 private final Intent mOpenBatterySettings = settings(Intent.ACTION_POWER_USAGE_SUMMARY); 80 private final Intent mOpenSaverSettings = settings(Settings.ACTION_BATTERY_SAVER_SETTINGS); 81 82 private int mBatteryLevel; 83 private int mBucket; 84 private long mScreenOffTime; 85 private int mShowing; 86 87 private long mBucketDroppedNegativeTimeMs; 88 89 private boolean mSaver; 90 private boolean mWarning; 91 private boolean mPlaySound; 92 private boolean mInvalidCharger; 93 private SystemUIDialog mSaverConfirmation; 94 95 public PowerNotificationWarnings(Context context, PhoneStatusBar phoneStatusBar) { 96 mContext = context; 97 mNoMan = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); 98 mPowerMan = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 99 mReceiver.init(); 100 } 101 102 @Override 103 public void dump(PrintWriter pw) { 104 pw.print("mSaver="); pw.println(mSaver); 105 pw.print("mWarning="); pw.println(mWarning); 106 pw.print("mPlaySound="); pw.println(mPlaySound); 107 pw.print("mInvalidCharger="); pw.println(mInvalidCharger); 108 pw.print("mShowing="); pw.println(SHOWING_STRINGS[mShowing]); 109 pw.print("mSaverConfirmation="); pw.println(mSaverConfirmation != null ? "not null" : null); 110 } 111 112 @Override 113 public void update(int batteryLevel, int bucket, long screenOffTime) { 114 mBatteryLevel = batteryLevel; 115 if (bucket >= 0) { 116 mBucketDroppedNegativeTimeMs = 0; 117 } else if (bucket < mBucket) { 118 mBucketDroppedNegativeTimeMs = System.currentTimeMillis(); 119 } 120 mBucket = bucket; 121 mScreenOffTime = screenOffTime; 122 } 123 124 @Override 125 public void showSaverMode(boolean mode) { 126 mSaver = mode; 127 if (mSaver && mSaverConfirmation != null) { 128 mSaverConfirmation.dismiss(); 129 } 130 updateNotification(); 131 } 132 133 private void updateNotification() { 134 if (DEBUG) Slog.d(TAG, "updateNotification mWarning=" + mWarning + " mPlaySound=" 135 + mPlaySound + " mSaver=" + mSaver + " mInvalidCharger=" + mInvalidCharger); 136 if (mInvalidCharger) { 137 showInvalidChargerNotification(); 138 mShowing = SHOWING_INVALID_CHARGER; 139 } else if (mWarning) { 140 showWarningNotification(); 141 mShowing = SHOWING_WARNING; 142 } else if (mSaver) { 143 showSaverNotification(); 144 mShowing = SHOWING_SAVER; 145 } else { 146 mNoMan.cancel(TAG_NOTIFICATION, ID_NOTIFICATION); 147 mShowing = SHOWING_NOTHING; 148 } 149 } 150 151 private void showInvalidChargerNotification() { 152 final Notification.Builder nb = new Notification.Builder(mContext) 153 .setSmallIcon(R.drawable.ic_power_low) 154 .setWhen(0) 155 .setShowWhen(false) 156 .setOngoing(true) 157 .setContentTitle(mContext.getString(R.string.invalid_charger_title)) 158 .setContentText(mContext.getString(R.string.invalid_charger_text)) 159 .setPriority(Notification.PRIORITY_MAX) 160 .setCategory(Notification.CATEGORY_SYSTEM) 161 .setVisibility(Notification.VISIBILITY_PUBLIC) 162 .setColor(mContext.getResources().getColor( 163 com.android.internal.R.color.system_notification_accent_color)); 164 final Notification n = nb.build(); 165 if (n.headsUpContentView != null) { 166 n.headsUpContentView.setViewVisibility(com.android.internal.R.id.right_icon, View.GONE); 167 } 168 mNoMan.notifyAsUser(TAG_NOTIFICATION, ID_NOTIFICATION, n, UserHandle.CURRENT); 169 } 170 171 private void showWarningNotification() { 172 final int textRes = mSaver ? R.string.battery_low_percent_format_saver_started 173 : R.string.battery_low_percent_format; 174 final Notification.Builder nb = new Notification.Builder(mContext) 175 .setSmallIcon(R.drawable.ic_power_low) 176 // Bump the notification when the bucket dropped. 177 .setWhen(mBucketDroppedNegativeTimeMs) 178 .setShowWhen(false) 179 .setContentTitle(mContext.getString(R.string.battery_low_title)) 180 .setContentText(mContext.getString(textRes, mBatteryLevel)) 181 .setOnlyAlertOnce(true) 182 .setPriority(Notification.PRIORITY_MAX) 183 .setCategory(Notification.CATEGORY_SYSTEM) 184 .setVisibility(Notification.VISIBILITY_PUBLIC) 185 .setColor(mContext.getResources().getColor( 186 com.android.internal.R.color.battery_saver_mode_color)); 187 if (hasBatterySettings()) { 188 nb.setContentIntent(pendingBroadcast(ACTION_SHOW_BATTERY_SETTINGS)); 189 } 190 if (!mSaver) { 191 nb.addAction(0, 192 mContext.getString(R.string.battery_saver_start_action), 193 pendingBroadcast(ACTION_START_SAVER)); 194 } else { 195 addStopSaverAction(nb); 196 } 197 if (mPlaySound) { 198 attachLowBatterySound(nb); 199 mPlaySound = false; 200 } 201 final Notification n = nb.build(); 202 if (n.headsUpContentView != null) { 203 n.headsUpContentView.setViewVisibility(com.android.internal.R.id.right_icon, View.GONE); 204 } 205 mNoMan.notifyAsUser(TAG_NOTIFICATION, ID_NOTIFICATION, n, UserHandle.CURRENT); 206 } 207 208 private void showSaverNotification() { 209 final Notification.Builder nb = new Notification.Builder(mContext) 210 .setSmallIcon(R.drawable.ic_power_saver) 211 .setContentTitle(mContext.getString(R.string.battery_saver_notification_title)) 212 .setContentText(mContext.getString(R.string.battery_saver_notification_text)) 213 .setOngoing(true) 214 .setShowWhen(false) 215 .setCategory(Notification.CATEGORY_SYSTEM) 216 .setVisibility(Notification.VISIBILITY_PUBLIC) 217 .setColor(mContext.getResources().getColor( 218 com.android.internal.R.color.battery_saver_mode_color)); 219 addStopSaverAction(nb); 220 if (hasSaverSettings()) { 221 nb.setContentIntent(pendingActivity(mOpenSaverSettings)); 222 } 223 mNoMan.notifyAsUser(TAG_NOTIFICATION, ID_NOTIFICATION, nb.build(), UserHandle.CURRENT); 224 } 225 226 private void addStopSaverAction(Notification.Builder nb) { 227 nb.addAction(0, 228 mContext.getString(R.string.battery_saver_notification_action_text), 229 pendingBroadcast(ACTION_STOP_SAVER)); 230 } 231 232 private void dismissSaverNotification() { 233 if (mSaver) Slog.i(TAG, "dismissing saver notification"); 234 mSaver = false; 235 updateNotification(); 236 } 237 238 private PendingIntent pendingActivity(Intent intent) { 239 return PendingIntent.getActivityAsUser(mContext, 240 0, intent, 0, null, UserHandle.CURRENT); 241 } 242 243 private PendingIntent pendingBroadcast(String action) { 244 return PendingIntent.getBroadcastAsUser(mContext, 245 0, new Intent(action), 0, UserHandle.CURRENT); 246 } 247 248 private static Intent settings(String action) { 249 return new Intent(action).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 250 | Intent.FLAG_ACTIVITY_MULTIPLE_TASK 251 | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS 252 | Intent.FLAG_ACTIVITY_NO_HISTORY 253 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 254 } 255 256 @Override 257 public boolean isInvalidChargerWarningShowing() { 258 return mInvalidCharger; 259 } 260 261 @Override 262 public void updateLowBatteryWarning() { 263 updateNotification(); 264 } 265 266 @Override 267 public void dismissLowBatteryWarning() { 268 if (DEBUG) Slog.d(TAG, "dismissing low battery warning: level=" + mBatteryLevel); 269 dismissLowBatteryNotification(); 270 } 271 272 private void dismissLowBatteryNotification() { 273 if (mWarning) Slog.i(TAG, "dismissing low battery notification"); 274 mWarning = false; 275 updateNotification(); 276 } 277 278 private boolean hasBatterySettings() { 279 return mOpenBatterySettings.resolveActivity(mContext.getPackageManager()) != null; 280 } 281 282 private boolean hasSaverSettings() { 283 return mOpenSaverSettings.resolveActivity(mContext.getPackageManager()) != null; 284 } 285 286 @Override 287 public void showLowBatteryWarning(boolean playSound) { 288 Slog.i(TAG, 289 "show low battery warning: level=" + mBatteryLevel 290 + " [" + mBucket + "] playSound=" + playSound); 291 mPlaySound = playSound; 292 mWarning = true; 293 updateNotification(); 294 } 295 296 private void attachLowBatterySound(Notification.Builder b) { 297 final ContentResolver cr = mContext.getContentResolver(); 298 299 final int silenceAfter = Settings.Global.getInt(cr, 300 Settings.Global.LOW_BATTERY_SOUND_TIMEOUT, 0); 301 final long offTime = SystemClock.elapsedRealtime() - mScreenOffTime; 302 if (silenceAfter > 0 303 && mScreenOffTime > 0 304 && offTime > silenceAfter) { 305 Slog.i(TAG, "screen off too long (" + offTime + "ms, limit " + silenceAfter 306 + "ms): not waking up the user with low battery sound"); 307 return; 308 } 309 310 if (DEBUG) { 311 Slog.d(TAG, "playing low battery sound. pick-a-doop!"); // WOMP-WOMP is deprecated 312 } 313 314 if (Settings.Global.getInt(cr, Settings.Global.POWER_SOUNDS_ENABLED, 1) == 1) { 315 final String soundPath = Settings.Global.getString(cr, 316 Settings.Global.LOW_BATTERY_SOUND); 317 if (soundPath != null) { 318 final Uri soundUri = Uri.parse("file://" + soundPath); 319 if (soundUri != null) { 320 b.setSound(soundUri, AUDIO_ATTRIBUTES); 321 if (DEBUG) Slog.d(TAG, "playing sound " + soundUri); 322 } 323 } 324 } 325 } 326 327 @Override 328 public void dismissInvalidChargerWarning() { 329 dismissInvalidChargerNotification(); 330 } 331 332 private void dismissInvalidChargerNotification() { 333 if (mInvalidCharger) Slog.i(TAG, "dismissing invalid charger notification"); 334 mInvalidCharger = false; 335 updateNotification(); 336 } 337 338 @Override 339 public void showInvalidChargerWarning() { 340 mInvalidCharger = true; 341 updateNotification(); 342 } 343 344 private void showStartSaverConfirmation() { 345 if (mSaverConfirmation != null) return; 346 final SystemUIDialog d = new SystemUIDialog(mContext); 347 d.setTitle(R.string.battery_saver_confirmation_title); 348 d.setMessage(com.android.internal.R.string.battery_saver_description); 349 d.setNegativeButton(android.R.string.cancel, null); 350 d.setPositiveButton(R.string.battery_saver_confirmation_ok, mStartSaverMode); 351 d.setShowForAllUsers(true); 352 d.setOnDismissListener(new OnDismissListener() { 353 @Override 354 public void onDismiss(DialogInterface dialog) { 355 mSaverConfirmation = null; 356 } 357 }); 358 d.show(); 359 mSaverConfirmation = d; 360 } 361 362 private void setSaverMode(boolean mode) { 363 mPowerMan.setPowerSaveMode(mode); 364 } 365 366 private final class Receiver extends BroadcastReceiver { 367 368 public void init() { 369 IntentFilter filter = new IntentFilter(); 370 filter.addAction(ACTION_SHOW_BATTERY_SETTINGS); 371 filter.addAction(ACTION_START_SAVER); 372 filter.addAction(ACTION_STOP_SAVER); 373 mContext.registerReceiver(this, filter, null, mHandler); 374 } 375 376 @Override 377 public void onReceive(Context context, Intent intent) { 378 final String action = intent.getAction(); 379 Slog.i(TAG, "Received " + action); 380 if (action.equals(ACTION_SHOW_BATTERY_SETTINGS)) { 381 dismissLowBatteryNotification(); 382 mContext.startActivityAsUser(mOpenBatterySettings, UserHandle.CURRENT); 383 } else if (action.equals(ACTION_START_SAVER)) { 384 dismissLowBatteryNotification(); 385 showStartSaverConfirmation(); 386 } else if (action.equals(ACTION_STOP_SAVER)) { 387 dismissSaverNotification(); 388 dismissLowBatteryNotification(); 389 setSaverMode(false); 390 } 391 } 392 } 393 394 private final OnClickListener mStartSaverMode = new OnClickListener() { 395 @Override 396 public void onClick(DialogInterface dialog, int which) { 397 AsyncTask.execute(new Runnable() { 398 @Override 399 public void run() { 400 setSaverMode(true); 401 } 402 }); 403 } 404 }; 405 } 406