src/com/android/deskclock/DeskClock.java

   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
  17 package com.android.deskclock;
  18
  19 import android.app.Activity;
  20 import android.app.AlarmManager;
  21 import android.app.AlertDialog;
  22 import android.app.PendingIntent;
  23 import android.content.BroadcastReceiver;
  24 import android.content.Context;
  25 import android.content.DialogInterface;
  26 import android.content.Intent;
  27 import android.content.IntentFilter;
  28 import android.content.SharedPreferences;
  29 import android.content.pm.PackageManager;
  30 import android.content.res.Configuration;
  31 import android.content.res.Resources;
  32 import android.database.Cursor;
  33 import android.graphics.drawable.BitmapDrawable;
  34 import android.graphics.drawable.ColorDrawable;
  35 import android.graphics.drawable.Drawable;
  36 import android.net.Uri;
  37 import android.os.Bundle;
  38 import android.os.Handler;
  39 import android.os.Message;
  40 import android.os.SystemClock;
  41 import android.os.PowerManager;
  42 import android.provider.Settings;
  43 import android.text.TextUtils;
  44 import android.text.format.DateFormat;
  45 import android.util.DisplayMetrics;
  46 import android.util.Log;
  47 import android.view.ContextMenu.ContextMenuInfo;
  48 import android.view.ContextMenu;
  49 import android.view.LayoutInflater;
  50 import android.view.Menu;
  51 import android.view.MenuInflater;
  52 import android.view.MenuItem;
  53 import android.view.View.OnClickListener;
  54 import android.view.View.OnCreateContextMenuListener;
  55 import android.view.View;
  56 import android.view.ViewGroup;
  57 import android.view.Window;
  58 import android.view.WindowManager;
  59 import android.view.animation.Animation;
  60 import android.view.animation.AnimationUtils;
  61 import android.view.animation.TranslateAnimation;
  62 import android.widget.AbsoluteLayout;
  63 import android.widget.AdapterView.AdapterContextMenuInfo;
  64 import android.widget.AdapterView.OnItemClickListener;
  65 import android.widget.AdapterView;
  66 import android.widget.Button;
  67 import android.widget.CheckBox;
  68 import android.widget.ImageButton;
  69 import android.widget.ImageView;
  70 import android.widget.TextView;
  71
  72 import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
  73 import static android.os.BatteryManager.BATTERY_STATUS_FULL;
  74 import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
  75
  76 import java.io.IOException;
  77 import java.io.InputStream;
  78 import java.util.Calendar;
  79 import java.util.Date;
  80 import java.util.Locale;
  81 import java.util.Random;
  82
  83 /**
  84  * DeskClock clock view for desk docks.
  85  */
  86 public class DeskClock extends Activity {
  87     private static final boolean DEBUG = false;
  88
  89     private static final String LOG_TAG = "DeskClock";
  90
  91     // Package ID of the music player.
  92     private static final String MUSIC_PACKAGE_ID = "com.android.music";
  93
  94     // Alarm action for midnight (so we can update the date display).
  95     private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
  96
  97     // Intent to broadcast for dock settings.
  98     private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
  99
 100     // Interval between polls of the weather widget. Its refresh period is
 101     // likely to be much longer (~3h), but we want to pick up any changes
 102     // within 5 minutes.
 103     private final long QUERY_WEATHER_DELAY = 5 * 60 * 1000; // 5 min
 104
 105     // Delay before engaging the burn-in protection mode (green-on-black).
 106     private final long SCREEN_SAVER_TIMEOUT = 5* 60 * 1000; // 10 min
 107
 108     // Repositioning delay in screen saver.
 109     private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
 110
 111     // Color to use for text & graphics in screen saver mode.
 112     private final int SCREEN_SAVER_COLOR = 0xFF308030;
 113     private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
 114
 115     // Opacity of black layer between clock display and wallpaper.
 116     private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
 117     private final float DIM_BEHIND_AMOUNT_DIMMED = 0.7f; // higher contrast when display dimmed
 118
 119     // Internal message IDs.
 120     private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
 121     private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
 122     private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
 123     private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
 124
 125     // Weather widget query information.
 126     private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
 127     private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
 128     private static final String WEATHER_CONTENT_PATH = "/weather/current";
 129     private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
 130             "location",
 131             "timestamp",
 132             "temperature",
 133             "highTemperature",
 134             "lowTemperature",
 135             "iconUrl",
 136             "iconResId",
 137             "description",
 138         };
 139
 140     private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
 141
 142     // State variables follow.
 143     private DigitalClock mTime;
 144     private TextView mDate;
 145
 146     private TextView mNextAlarm = null;
 147     private TextView mBatteryDisplay;
 148
 149     private TextView mWeatherCurrentTemperature;
 150     private TextView mWeatherHighTemperature;
 151     private TextView mWeatherLowTemperature;
 152     private TextView mWeatherLocation;
 153     private ImageView mWeatherIcon;
 154
 155     private String mWeatherCurrentTemperatureString;
 156     private String mWeatherHighTemperatureString;
 157     private String mWeatherLowTemperatureString;
 158     private String mWeatherLocationString;
 159     private Drawable mWeatherIconDrawable;
 160
 161     private Resources mGenieResources = null;
 162
 163     private boolean mDimmed = false;
 164     private boolean mScreenSaverMode = false;
 165
 166     private String mDateFormat;
 167
 168     private int mBatteryLevel = -1;
 169     private boolean mPluggedIn = false;
 170
 171     private boolean mLaunchedFromDock = false;
 172
 173     private Random mRNG;
 174
 175     private PendingIntent mMidnightIntent;
 176
 177     private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
 178         @Override
 179         public void onReceive(Context context, Intent intent) {
 180             final String action = intent.getAction();
 181             if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
 182             if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
 183                 refreshDate();
 184             } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
 185                 handleBatteryUpdate(
 186                     intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
 187                     intent.getIntExtra("level", 0));
 188             } else if (Intent.ACTION_DOCK_EVENT.equals(action)) {
 189                 int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1);
 190                 if (DEBUG) Log.d(LOG_TAG, "ACTION_DOCK_EVENT, state=" + state);
 191                 if (state == Intent.EXTRA_DOCK_STATE_UNDOCKED) {
 192                     if (mLaunchedFromDock) {
 193                         // moveTaskToBack(false);
 194                         finish();
 195                     }
 196                     mLaunchedFromDock = false;
 197                 }
 198             }
 199         }
 200     };
 201
 202     private final Handler mHandy = new Handler() {
 203         @Override
 204         public void handleMessage(Message m) {
 205             if (m.what == QUERY_WEATHER_DATA_MSG) {
 206                 new Thread() { public void run() { queryWeatherData(); } }.start();
 207                 scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
 208             } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
 209                 updateWeatherDisplay();
 210             } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
 211                 saveScreen();
 212             } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
 213                 moveScreenSaver();
 214             }
 215         }
 216     };
 217
 218
 219     private void moveScreenSaver() {
 220         moveScreenSaverTo(-1,-1);
 221     }
 222     private void moveScreenSaverTo(int x, int y) {
 223         if (!mScreenSaverMode) return;
 224
 225         final View saver_view = findViewById(R.id.saver_view);
 226
 227         DisplayMetrics metrics = new DisplayMetrics();
 228         getWindowManager().getDefaultDisplay().getMetrics(metrics);
 229
 230         if (x < 0 || y < 0) {
 231             int myWidth = saver_view.getMeasuredWidth();
 232             int myHeight = saver_view.getMeasuredHeight();
 233             x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
 234             y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
 235         }
 236
 237         if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
 238                 System.currentTimeMillis(), x, y));
 239
 240         saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
 241             ViewGroup.LayoutParams.WRAP_CONTENT,
 242             ViewGroup.LayoutParams.WRAP_CONTENT,
 243             x,
 244             y));
 245
 246         // Synchronize our jumping so that it happens exactly on the second.
 247         mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
 248             SCREEN_SAVER_MOVE_DELAY +
 249             (1000 - (System.currentTimeMillis() % 1000)));
 250     }
 251
 252     private void setWakeLock(boolean hold) {
 253         if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
 254         Window win = getWindow();
 255         WindowManager.LayoutParams winParams = win.getAttributes();
 256         winParams.flags |= WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
 257         winParams.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
 258         winParams.flags |= WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON;
 259         if (hold)
 260             winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
 261         else
 262             winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 263         win.setAttributes(winParams);
 264     }
 265
 266     private void scheduleScreenSaver() {
 267         // reschedule screen saver
 268         mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
 269         mHandy.sendMessageDelayed(
 270             Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
 271             SCREEN_SAVER_TIMEOUT);
 272     }
 273
 274     private void restoreScreen() {
 275         if (!mScreenSaverMode) return;
 276         if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
 277         mScreenSaverMode = false;
 278         initViews();
 279         doDim(false); // restores previous dim mode
 280         // policy: update weather info when returning from screen saver
 281         if (mPluggedIn) requestWeatherDataFetch();
 282
 283         scheduleScreenSaver();
 284
 285         refreshAll();
 286     }
 287
 288     // Special screen-saver mode for OLED displays that burn in quickly
 289     private void saveScreen() {
 290         if (mScreenSaverMode) return;
 291         if (DEBUG) Log.d(LOG_TAG, "saveScreen");
 292
 293         // quickly stash away the x/y of the current date
 294         final View oldTimeDate = findViewById(R.id.time_date);
 295         int oldLoc[] = new int[2];
 296         oldTimeDate.getLocationOnScreen(oldLoc);
 297
 298         mScreenSaverMode = true;
 299         Window win = getWindow();
 300         WindowManager.LayoutParams winParams = win.getAttributes();
 301         winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
 302         win.setAttributes(winParams);
 303
 304         // give up any internal focus before we switch layouts
 305         final View focused = getCurrentFocus();
 306         if (focused != null) focused.clearFocus();
 307
 308         setContentView(R.layout.desk_clock_saver);
 309
 310         mTime = (DigitalClock) findViewById(R.id.time);
 311         mDate = (TextView) findViewById(R.id.date);
 312         mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
 313
 314         final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
 315
 316         ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
 317         ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
 318         mDate.setTextColor(color);
 319         mNextAlarm.setTextColor(color);
 320         mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
 321             getResources().getDrawable(mDimmed
 322                 ? R.drawable.ic_lock_idle_alarm_saver_dim
 323                 : R.drawable.ic_lock_idle_alarm_saver),
 324             null, null, null);
 325
 326         mBatteryDisplay =
 327         mWeatherCurrentTemperature =
 328         mWeatherHighTemperature =
 329         mWeatherLowTemperature =
 330         mWeatherLocation = null;
 331         mWeatherIcon = null;
 332
 333         refreshDate();
 334         refreshAlarm();
 335
 336         moveScreenSaverTo(oldLoc[0], oldLoc[1]);
 337     }
 338
 339     @Override
 340     public void onUserInteraction() {
 341         if (mScreenSaverMode)
 342             restoreScreen();
 343     }
 344
 345     // Tell the Genie widget to load new data from the network.
 346     private void requestWeatherDataFetch() {
 347         if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
 348         sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
 349         // update the display with any new data
 350         scheduleWeatherQueryDelayed(5000);
 351     }
 352
 353     private boolean supportsWeather() {
 354         return (mGenieResources != null);
 355     }
 356
 357     private void scheduleWeatherQueryDelayed(long delay) {
 358         // cancel any existing scheduled queries
 359         unscheduleWeatherQuery();
 360
 361         if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
 362
 363         mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
 364     }
 365
 366     private void unscheduleWeatherQuery() {
 367         mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
 368     }
 369
 370     private void queryWeatherData() {
 371         // if we couldn't load the weather widget's resources, we simply
 372         // assume it's not present on the device.
 373         if (mGenieResources == null) return;
 374
 375         Uri queryUri = new Uri.Builder()
 376             .scheme(android.content.ContentResolver.SCHEME_CONTENT)
 377             .authority(WEATHER_CONTENT_AUTHORITY)
 378             .path(WEATHER_CONTENT_PATH)
 379             .appendPath(new Long(System.currentTimeMillis()).toString())
 380             .build();
 381
 382         if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
 383
 384         Cursor cur;
 385         try {
 386             cur = managedQuery(
 387                 queryUri,
 388                 WEATHER_CONTENT_COLUMNS,
 389                 null,
 390                 null,
 391                 null);
 392         } catch (RuntimeException e) {
 393             Log.e(LOG_TAG, "Weather query failed", e);
 394             cur = null;
 395         }
 396
 397         if (cur != null && cur.moveToFirst()) {
 398             if (DEBUG) {
 399                 java.lang.StringBuilder sb =
 400                     new java.lang.StringBuilder("Weather query result: {");
 401                 for(int i=0; i<cur.getColumnCount(); i++) {
 402                     if (i>0) sb.append(", ");
 403                     sb.append(cur.getColumnName(i))
 404                         .append("=")
 405                         .append(cur.getString(i));
 406                 }
 407                 sb.append("}");
 408                 Log.d(LOG_TAG, sb.toString());
 409             }
 410
 411             mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
 412                 cur.getColumnIndexOrThrow("iconResId")));
 413
 414             mWeatherLocationString = cur.getString(
 415                 cur.getColumnIndexOrThrow("location"));
 416
 417             // any of these may be NULL
 418             final int colTemp = cur.getColumnIndexOrThrow("temperature");
 419             final int colHigh = cur.getColumnIndexOrThrow("highTemperature");
 420             final int colLow = cur.getColumnIndexOrThrow("lowTemperature");
 421
 422             mWeatherCurrentTemperatureString =
 423                 cur.isNull(colTemp)
 424                     ? "\u2014"
 425                     : String.format("%d\u00b0", cur.getInt(colTemp));
 426             mWeatherHighTemperatureString =
 427                 cur.isNull(colHigh)
 428                     ? "\u2014"
 429                     : String.format("%d\u00b0", cur.getInt(colHigh));
 430             mWeatherLowTemperatureString =
 431                 cur.isNull(colLow)
 432                     ? "\u2014"
 433                     : String.format("%d\u00b0", cur.getInt(colLow));
 434         } else {
 435             Log.w(LOG_TAG, "No weather information available (cur="
 436                 + cur +")");
 437             mWeatherIconDrawable = null;
 438             mWeatherLocationString = getString(R.string.weather_fetch_failure);
 439             mWeatherCurrentTemperatureString =
 440                 mWeatherHighTemperatureString =
 441                 mWeatherLowTemperatureString = "";
 442         }
 443
 444         mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
 445     }
 446
 447     private void refreshWeather() {
 448         if (supportsWeather())
 449             scheduleWeatherQueryDelayed(0);
 450         updateWeatherDisplay(); // in case we have it cached
 451     }
 452
 453     private void updateWeatherDisplay() {
 454         if (mWeatherCurrentTemperature == null) return;
 455
 456         mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
 457         mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
 458         mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
 459         mWeatherLocation.setText(mWeatherLocationString);
 460         mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
 461     }
 462
 463     // Adapted from KeyguardUpdateMonitor.java
 464     private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
 465         final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
 466         if (pluggedIn != mPluggedIn) {
 467             setWakeLock(pluggedIn);
 468
 469             if (pluggedIn) {
 470                 // policy: update weather info when attaching to power
 471                 requestWeatherDataFetch();
 472             }
 473         }
 474         if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
 475             mBatteryLevel = batteryLevel;
 476             mPluggedIn = pluggedIn;
 477             refreshBattery();
 478         }
 479     }
 480
 481     private void refreshBattery() {
 482         if (mBatteryDisplay == null) return;
 483
 484         if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
 485             mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
 486                 0, 0, android.R.drawable.ic_lock_idle_charging, 0);
 487             mBatteryDisplay.setText(
 488                 getString(R.string.battery_charging_level, mBatteryLevel));
 489             mBatteryDisplay.setVisibility(View.VISIBLE);
 490         } else {
 491             mBatteryDisplay.setVisibility(View.INVISIBLE);
 492         }
 493     }
 494
 495     private void refreshDate() {
 496         final Date now = new Date();
 497         if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
 498         mDate.setText(DateFormat.format(mDateFormat, now));
 499     }
 500
 501     private void refreshAlarm() {
 502         if (mNextAlarm == null) return;
 503
 504         String nextAlarm = Settings.System.getString(getContentResolver(),
 505                 Settings.System.NEXT_ALARM_FORMATTED);
 506         if (!TextUtils.isEmpty(nextAlarm)) {
 507             mNextAlarm.setText(nextAlarm);
 508             //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
 509             //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
 510             mNextAlarm.setVisibility(View.VISIBLE);
 511         } else {
 512             mNextAlarm.setVisibility(View.INVISIBLE);
 513         }
 514     }
 515
 516     private void refreshAll() {
 517         refreshDate();
 518         refreshAlarm();
 519         refreshBattery();
 520         refreshWeather();
 521     }
 522
 523     private void doDim(boolean fade) {
 524         View tintView = findViewById(R.id.window_tint);
 525         if (tintView == null) return;
 526
 527         Window win = getWindow();
 528         WindowManager.LayoutParams winParams = win.getAttributes();
 529
 530         winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
 531         winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
 532
 533         // dim the wallpaper somewhat (how much is determined below)
 534         winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
 535
 536         if (mDimmed) {
 537             winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
 538             winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
 539
 540             // show the window tint
 541             tintView.startAnimation(AnimationUtils.loadAnimation(this,
 542                 fade ? R.anim.dim
 543                      : R.anim.dim_instant));
 544         } else {
 545             winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
 546             winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
 547
 548             // hide the window tint
 549             tintView.startAnimation(AnimationUtils.loadAnimation(this,
 550                 fade ? R.anim.undim
 551                      : R.anim.undim_instant));
 552         }
 553
 554         win.setAttributes(winParams);
 555     }
 556
 557     @Override
 558     public void onNewIntent(Intent newIntent) {
 559         super.onNewIntent(newIntent);
 560         if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
 561
 562         // update our intent so that we can consult it to determine whether or
 563         // not the most recent launch was via a dock event
 564         setIntent(newIntent);
 565     }
 566
 567     @Override
 568     public void onResume() {
 569         super.onResume();
 570         if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
 571
 572         // reload the date format in case the user has changed settings
 573         // recently
 574         mDateFormat = getString(com.android.internal.R.string.full_wday_month_day_no_year);
 575
 576         IntentFilter filter = new IntentFilter();
 577         filter.addAction(Intent.ACTION_DATE_CHANGED);
 578         filter.addAction(Intent.ACTION_BATTERY_CHANGED);
 579         filter.addAction(Intent.ACTION_DOCK_EVENT);
 580         filter.addAction(ACTION_MIDNIGHT);
 581         registerReceiver(mIntentReceiver, filter);
 582
 583         Calendar today = Calendar.getInstance();
 584         today.set(Calendar.HOUR_OF_DAY, 0);
 585         today.set(Calendar.MINUTE, 0);
 586         today.set(Calendar.SECOND, 0);
 587         today.add(Calendar.DATE, 1);
 588         long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
 589         mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
 590         AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 591         am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
 592         if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
 593             + alarmTimeUTC + " repeating every "
 594             + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
 595
 596         // un-dim when resuming
 597         mDimmed = false;
 598         doDim(false);
 599
 600         restoreScreen(); // disable screen saver
 601         refreshAll(); // will schedule periodic weather fetch
 602
 603         setWakeLock(mPluggedIn);
 604
 605         scheduleScreenSaver();
 606
 607         final boolean launchedFromDock
 608             = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
 609
 610         if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
 611             // policy: fetch weather if launched via dock connection
 612             if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
 613             requestWeatherDataFetch();
 614         }
 615
 616         mLaunchedFromDock = launchedFromDock;
 617     }
 618
 619     @Override
 620     public void onPause() {
 621         if (DEBUG) Log.d(LOG_TAG, "onPause");
 622
 623         // Turn off the screen saver and cancel any pending timeouts.
 624         // (But don't un-dim.)
 625         mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
 626         restoreScreen();
 627
 628         // Other things we don't want to be doing in the background.
 629         unregisterReceiver(mIntentReceiver);
 630         AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 631         am.cancel(mMidnightIntent);
 632         unscheduleWeatherQuery();
 633
 634         super.onPause();
 635     }
 636
 637     @Override
 638     public void onStop() {
 639         if (DEBUG) Log.d(LOG_TAG, "onStop");
 640
 641         // Avoid situations where the user launches Alarm Clock and is
 642         // surprised to find it in dim mode (because it was last used in dim
 643         // mode, but that last use is long in the past).
 644         mDimmed = false;
 645
 646         super.onStop();
 647     }
 648
 649     private void initViews() {
 650         // give up any internal focus before we switch layouts
 651         final View focused = getCurrentFocus();
 652         if (focused != null) focused.clearFocus();
 653
 654         setContentView(R.layout.desk_clock);
 655
 656         mTime = (DigitalClock) findViewById(R.id.time);
 657         mDate = (TextView) findViewById(R.id.date);
 658         mBatteryDisplay = (TextView) findViewById(R.id.battery);
 659
 660         mTime.getRootView().requestFocus();
 661
 662         mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
 663         mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
 664         mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
 665         mWeatherLocation = (TextView) findViewById(R.id.weather_location);
 666         mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
 667
 668         final View.OnClickListener alarmClickListener = new View.OnClickListener() {
 669             public void onClick(View v) {
 670                 startActivity(new Intent(DeskClock.this, AlarmClock.class));
 671             }
 672         };
 673
 674         mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
 675         mNextAlarm.setOnClickListener(alarmClickListener);
 676
 677         final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
 678         alarmButton.setOnClickListener(alarmClickListener);
 679
 680         final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
 681         galleryButton.setOnClickListener(new View.OnClickListener() {
 682             public void onClick(View v) {
 683                 try {
 684                     startActivity(new Intent(
 685                         Intent.ACTION_VIEW,
 686                         android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
 687                             .putExtra("slideshow", true)
 688                             .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
 689                 } catch (android.content.ActivityNotFoundException e) {
 690                     Log.e(LOG_TAG, "Couldn't launch image browser", e);
 691                 }
 692             }
 693         });
 694
 695         final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
 696         musicButton.setOnClickListener(new View.OnClickListener() {
 697             public void onClick(View v) {
 698                 try {
 699                     Intent musicAppQuery = getPackageManager()
 700                         .getLaunchIntentForPackage(MUSIC_PACKAGE_ID)
 701                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
 702                     if (musicAppQuery != null) {
 703                         startActivity(musicAppQuery);
 704                     }
 705                 } catch (android.content.ActivityNotFoundException e) {
 706                     Log.e(LOG_TAG, "Couldn't launch music browser", e);
 707                 }
 708             }
 709         });
 710
 711         final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
 712         homeButton.setOnClickListener(new View.OnClickListener() {
 713             public void onClick(View v) {
 714                 startActivity(
 715                     new Intent(Intent.ACTION_MAIN)
 716                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
 717                         .addCategory(Intent.CATEGORY_HOME));
 718             }
 719         });
 720
 721         final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
 722         nightmodeButton.setOnClickListener(new View.OnClickListener() {
 723             public void onClick(View v) {
 724                 mDimmed = ! mDimmed;
 725                 doDim(true);
 726             }
 727         });
 728
 729         nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
 730             public boolean onLongClick(View v) {
 731                 saveScreen();
 732                 return true;
 733             }
 734         });
 735
 736         final View weatherView = findViewById(R.id.weather);
 737         weatherView.setOnClickListener(new View.OnClickListener() {
 738             public void onClick(View v) {
 739                 if (!supportsWeather()) return;
 740
 741                 Intent genieAppQuery = getPackageManager()
 742                     .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
 743                     .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
 744                 if (genieAppQuery != null) {
 745                     startActivity(genieAppQuery);
 746                 }
 747             }
 748         });
 749     }
 750
 751     @Override
 752     public void onConfigurationChanged(Configuration newConfig) {
 753         super.onConfigurationChanged(newConfig);
 754         if (!mScreenSaverMode) {
 755             initViews();
 756             doDim(false);
 757             refreshAll();
 758         }
 759     }
 760
 761     @Override
 762     public boolean onOptionsItemSelected(MenuItem item) {
 763         switch (item.getItemId()) {
 764             case R.id.menu_item_alarms:
 765                 startActivity(new Intent(DeskClock.this, AlarmClock.class));
 766                 return true;
 767             case R.id.menu_item_add_alarm:
 768                 AlarmClock.addNewAlarm(this);
 769                 return true;
 770             case R.id.menu_item_dock_settings:
 771                 startActivity(new Intent(DOCK_SETTINGS_ACTION));
 772                 return true;
 773             default:
 774                 return false;
 775         }
 776     }
 777
 778     @Override
 779     public boolean onCreateOptionsMenu(Menu menu) {
 780         MenuInflater inflater = getMenuInflater();
 781         inflater.inflate(R.menu.desk_clock_menu, menu);
 782         return true;
 783     }
 784
 785     @Override
 786     protected void onCreate(Bundle icicle) {
 787         super.onCreate(icicle);
 788         AlarmClock.setVolumeControlForPlatform(this);
 789
 790         mRNG = new Random();
 791
 792         try {
 793             mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
 794         } catch (PackageManager.NameNotFoundException e) {
 795             // no weather info available
 796             Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
 797         }
 798
 799         initViews();
 800     }
 801
 802 }