DeskClock.java revision e6cf24dbbea56d8b88a8d48bed9d3a6f26c2ddf0
1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.deskclock; 18 19import android.app.Activity; 20import android.app.AlertDialog; 21import android.content.BroadcastReceiver; 22import android.content.Context; 23import android.content.DialogInterface; 24import android.content.Intent; 25import android.content.IntentFilter; 26import android.content.SharedPreferences; 27import android.content.pm.PackageManager; 28import android.content.res.Configuration; 29import android.content.res.Resources; 30import android.database.Cursor; 31import android.graphics.drawable.BitmapDrawable; 32import android.graphics.drawable.ColorDrawable; 33import android.graphics.drawable.Drawable; 34import android.net.Uri; 35import android.os.Bundle; 36import android.os.Handler; 37import android.os.Message; 38import android.os.SystemClock; 39import android.os.PowerManager; 40import android.provider.Settings; 41import android.text.TextUtils; 42import android.util.DisplayMetrics; 43import android.util.Log; 44import android.view.ContextMenu.ContextMenuInfo; 45import android.view.ContextMenu; 46import android.view.LayoutInflater; 47import android.view.Menu; 48import android.view.MenuItem; 49import android.view.View.OnClickListener; 50import android.view.View.OnCreateContextMenuListener; 51import android.view.View; 52import android.view.ViewGroup; 53import android.view.Window; 54import android.view.WindowManager; 55import android.view.animation.Animation; 56import android.view.animation.AnimationUtils; 57import android.view.animation.TranslateAnimation; 58import android.widget.AbsoluteLayout; 59import android.widget.AdapterView.AdapterContextMenuInfo; 60import android.widget.AdapterView.OnItemClickListener; 61import android.widget.AdapterView; 62import android.widget.Button; 63import android.widget.CheckBox; 64import android.widget.ImageView; 65import android.widget.TextView; 66 67import static android.os.BatteryManager.BATTERY_STATUS_CHARGING; 68import static android.os.BatteryManager.BATTERY_STATUS_FULL; 69import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN; 70 71import java.io.IOException; 72import java.io.InputStream; 73import java.text.DateFormat; 74import java.util.Date; 75import java.util.Locale; 76import java.util.Random; 77 78/** 79 * DeskClock clock view for desk docks. 80 */ 81public class DeskClock extends Activity { 82 private static final boolean DEBUG = false; 83 84 private static final String LOG_TAG = "DeskClock"; 85 86 private static final String MUSIC_NOW_PLAYING_ACTIVITY = "com.android.music.PLAYBACK_VIEWER"; 87 88 private final long FETCH_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr 89 private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min 90 private final long SCREEN_SAVER_MOVE_DELAY = 5 * 1000; // 15 sec 91 92 private final int FETCH_WEATHER_DATA_MSG = 0x1000; 93 private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001; 94 private final int SCREEN_SAVER_TIMEOUT_MSG = 0x2000; 95 private final int SCREEN_SAVER_MOVE_MSG = 0x2001; 96 97 private final int SCREEN_SAVER_COLOR = 0xFF008000; 98 private final int SCREEN_SAVER_COLOR_DIM = 0xFF003000; 99 100 private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget"; 101 private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather"; 102 private static final String WEATHER_CONTENT_PATH = "/weather/current"; 103 private static final String[] WEATHER_CONTENT_COLUMNS = new String[] { 104 "location", 105 "timestamp", 106 "highTemperature", 107 "lowTemperature", 108 "iconUrl", 109 "iconResId", 110 "description", 111 }; 112 113 private DigitalClock mTime; 114 private TextView mDate; 115 116 private TextView mNextAlarm = null; 117 private TextView mBatteryDisplay; 118 119 private TextView mWeatherHighTemperature; 120 private TextView mWeatherLowTemperature; 121 private TextView mWeatherLocation; 122 private ImageView mWeatherIcon; 123 124 private String mWeatherHighTemperatureString; 125 private String mWeatherLowTemperatureString; 126 private String mWeatherLocationString; 127 private Drawable mWeatherIconDrawable; 128 129 private Resources mGenieResources = null; 130 131 private boolean mDimmed = false; 132 private boolean mScreenSaverMode = false; 133 134 private DateFormat mDateFormat; 135 136 private int mBatteryLevel = -1; 137 private boolean mPluggedIn = false; 138 139 private int mIdleTimeoutEpoch = 0; 140 141 private boolean mWeatherFetchScheduled = false; 142 143 private Random mRNG; 144 145 private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 146 @Override 147 public void onReceive(Context context, Intent intent) { 148 final String action = intent.getAction(); 149 if (Intent.ACTION_DATE_CHANGED.equals(action)) { 150 refreshDate(); 151 } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) { 152 handleBatteryUpdate( 153 intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN), 154 intent.getIntExtra("level", 0)); 155 } 156 } 157 }; 158 159 private final Handler mHandy = new Handler() { 160 @Override 161 public void handleMessage(Message m) { 162 if (DEBUG) Log.d(LOG_TAG, "handleMessage: " + m.toString()); 163 164 if (m.what == FETCH_WEATHER_DATA_MSG) { 165 if (!mWeatherFetchScheduled) return; 166 mWeatherFetchScheduled = false; 167 new Thread() { public void run() { fetchWeatherData(); } }.start(); 168 scheduleWeatherFetchDelayed(FETCH_WEATHER_DELAY); 169 } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) { 170 updateWeatherDisplay(); 171 } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) { 172 if (m.arg1 == mIdleTimeoutEpoch) { 173 saveScreen(); 174 } 175 } else if (m.what == SCREEN_SAVER_MOVE_MSG) { 176 moveScreenSaver(); 177 } 178 } 179 }; 180 private void moveScreenSaver() { 181 moveScreenSaverTo(-1,-1); 182 } 183 private void moveScreenSaverTo(int x, int y) { 184 if (!mScreenSaverMode) return; 185 186 final View time_date = findViewById(R.id.time_date); 187 188 /* 189 final TranslateAnimation anim = new TranslateAnimation( 190 Animation.RELATIVE_TO_SELF, 0, // fromX 191 Animation.RELATIVE_TO_PARENT, 0.5f, // toX 192 Animation.RELATIVE_TO_SELF, 0, // fromY 193 Animation.RELATIVE_TO_PARENT, 0.5f // toY 194 ); 195 anim.setDuration(1000); 196 anim.setInterpolator(new android.view.animation.AccelerateDecelerateInterpolator()); 197 anim.setFillEnabled(true); 198 anim.setFillAfter(true); 199 time_date.startAnimation(anim); 200 */ 201 202 DisplayMetrics metrics = new DisplayMetrics(); 203 getWindowManager().getDefaultDisplay().getMetrics(metrics); 204 205 if (x < 0 || y < 0) { 206 int myWidth = time_date.getMeasuredWidth(); 207 int myHeight = time_date.getMeasuredHeight(); 208 x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth)); 209 y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight)); 210 } 211 212 time_date.setLayoutParams(new AbsoluteLayout.LayoutParams( 213 ViewGroup.LayoutParams.WRAP_CONTENT, 214 ViewGroup.LayoutParams.WRAP_CONTENT, 215 x, 216 y)); 217 218 mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG, SCREEN_SAVER_MOVE_DELAY); 219 } 220 221 private void setWakeLock(boolean hold) { 222 if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock"); 223 Window win = getWindow(); 224 WindowManager.LayoutParams winParams = win.getAttributes(); 225 winParams.flags |= WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD; 226 if (hold) 227 winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON; 228 else 229 winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 230 win.setAttributes(winParams); 231 } 232 233 private void restoreScreen() { 234 if (!mScreenSaverMode) return; 235 mScreenSaverMode = false; 236 initViews(); 237 doDim(false); // restores previous dim mode 238 refreshAll(); 239 } 240 241 // Special screen-saver mode for OLED displays that burn in quickly 242 private void saveScreen() { 243 if (mScreenSaverMode) return; 244 245 // quickly stash away the x/y of the current date 246 final View oldTimeDate = findViewById(R.id.time_date); 247 int oldLoc[] = new int[2]; 248 oldTimeDate.getLocationOnScreen(oldLoc); 249 250 mScreenSaverMode = true; 251 Window win = getWindow(); 252 WindowManager.LayoutParams winParams = win.getAttributes(); 253 winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN; 254 win.setAttributes(winParams); 255 256 // give up any internal focus before we switch layouts 257 final View focused = getCurrentFocus(); 258 if (focused != null) focused.clearFocus(); 259 260 setContentView(R.layout.desk_clock_saver); 261 262 mTime = (DigitalClock) findViewById(R.id.time); 263 mDate = (TextView) findViewById(R.id.date); 264 265 final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR; 266 267 ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color); 268 ((TextView)findViewById(R.id.am_pm)).setTextColor(color); 269 mDate.setTextColor(color); 270 271 mBatteryDisplay = 272 mNextAlarm = 273 mWeatherHighTemperature = 274 mWeatherLowTemperature = 275 mWeatherLocation = null; 276 mWeatherIcon = null; 277 278 refreshDate(); 279 280 moveScreenSaverTo(oldLoc[0], oldLoc[1]); 281 } 282 283 @Override 284 public void onUserInteraction() { 285 if (mScreenSaverMode) 286 restoreScreen(); 287 } 288 289 private boolean supportsWeather() { 290 return (mGenieResources != null); 291 } 292 293 private void scheduleWeatherFetchDelayed(long delay) { 294 if (mWeatherFetchScheduled) return; 295 296 if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now"); 297 298 mWeatherFetchScheduled = true; 299 300 mHandy.sendEmptyMessageDelayed(FETCH_WEATHER_DATA_MSG, delay); 301 } 302 303 private void unscheduleWeatherFetch() { 304 mWeatherFetchScheduled = false; 305 } 306 307 private static final boolean sCelsius; 308 static { 309 String cc = Locale.getDefault().getCountry().toLowerCase(); 310 sCelsius = !("us".equals(cc) || "bz".equals(cc) || "jm".equals(cc)); 311 } 312 313 private static int celsiusToLocal(int tempC) { 314 return sCelsius ? tempC : (int)(tempC * 1.8f + 32); 315 } 316 317 private void fetchWeatherData() { 318 // if we couldn't load the weather widget's resources, we simply 319 // assume it's not present on the device. 320 if (mGenieResources == null) return; 321 322 Uri queryUri = new Uri.Builder() 323 .scheme(android.content.ContentResolver.SCHEME_CONTENT) 324 .authority(WEATHER_CONTENT_AUTHORITY) 325 .path(WEATHER_CONTENT_PATH) 326 .appendPath(new Long(System.currentTimeMillis()).toString()) 327 .build(); 328 329 if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri); 330 331 Cursor cur; 332 try { 333 cur = managedQuery( 334 queryUri, 335 WEATHER_CONTENT_COLUMNS, 336 null, 337 null, 338 null); 339 } catch (RuntimeException e) { 340 Log.e(LOG_TAG, "Weather query failed", e); 341 cur = null; 342 } 343 344 if (cur != null && cur.moveToFirst()) { 345 mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt( 346 cur.getColumnIndexOrThrow("iconResId"))); 347 mWeatherHighTemperatureString = String.format("%d\u00b0", 348 celsiusToLocal(cur.getInt(cur.getColumnIndexOrThrow("highTemperature")))); 349 mWeatherLowTemperatureString = String.format("%d\u00b0", 350 celsiusToLocal(cur.getInt(cur.getColumnIndexOrThrow("lowTemperature")))); 351 mWeatherLocationString = cur.getString( 352 cur.getColumnIndexOrThrow("location")); 353 } else { 354 Log.w(LOG_TAG, "No weather information available (cur=" 355 + cur +")"); 356 mWeatherIconDrawable = null; 357 mWeatherHighTemperatureString = ""; 358 mWeatherLowTemperatureString = ""; 359 mWeatherLocationString = "Weather data unavailable."; // TODO: internationalize 360 } 361 362 mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG); 363 } 364 365 private void refreshWeather() { 366 if (supportsWeather()) 367 scheduleWeatherFetchDelayed(0); 368 updateWeatherDisplay(); // in case we have it cached 369 } 370 371 private void updateWeatherDisplay() { 372 if (mWeatherHighTemperature == null) return; 373 374 mWeatherHighTemperature.setText(mWeatherHighTemperatureString); 375 mWeatherLowTemperature.setText(mWeatherLowTemperatureString); 376 mWeatherLocation.setText(mWeatherLocationString); 377 mWeatherIcon.setImageDrawable(mWeatherIconDrawable); 378 } 379 380 // Adapted from KeyguardUpdateMonitor.java 381 private void handleBatteryUpdate(int plugStatus, int batteryLevel) { 382 final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL); 383 if (pluggedIn != mPluggedIn) { 384 setWakeLock(pluggedIn); 385 } 386 if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) { 387 mBatteryLevel = batteryLevel; 388 mPluggedIn = pluggedIn; 389 refreshBattery(); 390 } 391 } 392 393 private void refreshBattery() { 394 if (mBatteryDisplay == null) return; 395 396 if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) { 397 mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds( 398 0, 0, android.R.drawable.ic_lock_idle_charging, 0); 399 mBatteryDisplay.setText( 400 getString(R.string.battery_charging_level, mBatteryLevel)); 401 mBatteryDisplay.setVisibility(View.VISIBLE); 402 } else { 403 mBatteryDisplay.setVisibility(View.INVISIBLE); 404 } 405 } 406 407 private void refreshDate() { 408 mDate.setText(mDateFormat.format(new Date())); 409 } 410 411 private void refreshAlarm() { 412 if (mNextAlarm == null) return; 413 414 String nextAlarm = Settings.System.getString(getContentResolver(), 415 Settings.System.NEXT_ALARM_FORMATTED); 416 if (!TextUtils.isEmpty(nextAlarm)) { 417 mNextAlarm.setText(nextAlarm); 418 //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds( 419 // android.R.drawable.ic_lock_idle_alarm, 0, 0, 0); 420 mNextAlarm.setVisibility(View.VISIBLE); 421 } else { 422 mNextAlarm.setVisibility(View.INVISIBLE); 423 } 424 } 425 426 private void refreshAll() { 427 refreshDate(); 428 refreshAlarm(); 429 refreshBattery(); 430 refreshWeather(); 431 } 432 433 private void doDim(boolean fade) { 434 View tintView = findViewById(R.id.window_tint); 435 if (tintView == null) return; 436 437 Window win = getWindow(); 438 WindowManager.LayoutParams winParams = win.getAttributes(); 439 440 // secret! 441 winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN); 442 winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS); 443 444 // dim the wallpaper somewhat (how much is determined below) 445 winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND); 446 447 if (mDimmed) { 448 winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN; 449 winParams.dimAmount = 0.5f; // pump up contrast in dim mode 450 451 // show the window tint 452 tintView.startAnimation(AnimationUtils.loadAnimation(this, 453 fade ? R.anim.dim 454 : R.anim.dim_instant)); 455 } else { 456 winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN); 457 winParams.dimAmount = 0.2f; // lower contrast in normal mode 458 459 // hide the window tint 460 tintView.startAnimation(AnimationUtils.loadAnimation(this, 461 fade ? R.anim.undim 462 : R.anim.undim_instant)); 463 } 464 465 win.setAttributes(winParams); 466 } 467 468 @Override 469 public void onResume() { 470 super.onResume(); 471 // NB: To avoid situations where the user launches Alarm Clock and is 472 // surprised to find it in dim mode (because it was last used in dim 473 // mode, but that last use is long in the past), we always un-dim upon 474 // bringing the activity to the foregreound. 475 mDimmed = false; 476 477 // reload the date format in case the user has changed settings 478 // recently 479 mDateFormat = java.text.DateFormat.getDateInstance(java.text.DateFormat.FULL); 480 481 IntentFilter filter = new IntentFilter(); 482 filter.addAction(Intent.ACTION_DATE_CHANGED); 483 filter.addAction(Intent.ACTION_BATTERY_CHANGED); 484 registerReceiver(mIntentReceiver, filter); 485 486 doDim(false); 487 restoreScreen(); 488 refreshAll(); 489 setWakeLock(mPluggedIn); 490 491 mIdleTimeoutEpoch++; 492 mHandy.sendMessageDelayed( 493 Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG, mIdleTimeoutEpoch, 0), 494 SCREEN_SAVER_TIMEOUT); 495 } 496 497 @Override 498 public void onPause() { 499 super.onPause(); 500 unregisterReceiver(mIntentReceiver); 501 unscheduleWeatherFetch(); 502 } 503 504 505 private void initViews() { 506 // give up any internal focus before we switch layouts 507 final View focused = getCurrentFocus(); 508 if (focused != null) focused.clearFocus(); 509 510 setContentView(R.layout.desk_clock); 511 512 mTime = (DigitalClock) findViewById(R.id.time); 513 mDate = (TextView) findViewById(R.id.date); 514 mBatteryDisplay = (TextView) findViewById(R.id.battery); 515 516 mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature); 517 mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature); 518 mWeatherLocation = (TextView) findViewById(R.id.weather_location); 519 mWeatherIcon = (ImageView) findViewById(R.id.weather_icon); 520 521 mNextAlarm = (TextView) findViewById(R.id.nextAlarm); 522 523 final Button alarmButton = (Button) findViewById(R.id.alarm_button); 524 alarmButton.setOnClickListener(new View.OnClickListener() { 525 public void onClick(View v) { 526 startActivity(new Intent(DeskClock.this, AlarmClock.class)); 527 } 528 }); 529 530 final Button galleryButton = (Button) findViewById(R.id.gallery_button); 531 galleryButton.setOnClickListener(new View.OnClickListener() { 532 public void onClick(View v) { 533 try { 534 startActivity(new Intent( 535 Intent.ACTION_VIEW, 536 android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)); 537 } catch (android.content.ActivityNotFoundException e) { 538 Log.e(LOG_TAG, "Couldn't launch image browser", e); 539 } 540 } 541 }); 542 543 final Button musicButton = (Button) findViewById(R.id.music_button); 544 musicButton.setOnClickListener(new View.OnClickListener() { 545 public void onClick(View v) { 546 try { 547 startActivity(new Intent(MUSIC_NOW_PLAYING_ACTIVITY)); 548 } catch (android.content.ActivityNotFoundException e) { 549 Log.e(LOG_TAG, "Couldn't launch music browser", e); 550 } 551 } 552 }); 553 554 final Button homeButton = (Button) findViewById(R.id.home_button); 555 homeButton.setOnClickListener(new View.OnClickListener() { 556 public void onClick(View v) { 557 startActivity( 558 new Intent(Intent.ACTION_MAIN) 559 .addCategory(Intent.CATEGORY_HOME)); 560 } 561 }); 562 563 final Button nightmodeButton = (Button) findViewById(R.id.nightmode_button); 564 nightmodeButton.setOnClickListener(new View.OnClickListener() { 565 public void onClick(View v) { 566 mDimmed = ! mDimmed; 567 doDim(true); 568 } 569 }); 570 571 nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() { 572 public boolean onLongClick(View v) { 573 saveScreen(); 574 return true; 575 } 576 }); 577 } 578 579 @Override 580 public void onConfigurationChanged(Configuration newConfig) { 581 super.onConfigurationChanged(newConfig); 582 if (!mScreenSaverMode) { 583 initViews(); 584 doDim(false); 585 refreshAll(); 586 } 587 } 588 589 @Override 590 protected void onCreate(Bundle icicle) { 591 super.onCreate(icicle); 592 593 mRNG = new Random(); 594 595 try { 596 mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID); 597 } catch (PackageManager.NameNotFoundException e) { 598 // no weather info available 599 Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available."); 600 } 601 602 initViews(); 603 } 604 605} 606