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.ContentObserver;
  33 import android.database.Cursor;
  34 import android.graphics.Rect;
  35 import android.graphics.drawable.BitmapDrawable;
  36 import android.graphics.drawable.ColorDrawable;
  37 import android.graphics.drawable.Drawable;
  38 import android.net.Uri;
  39 import android.os.Bundle;
  40 import android.os.Handler;
  41 import android.os.Message;
  42 import android.os.SystemClock;
  43 import android.os.PowerManager;
  44 import android.provider.Settings;
  45 import android.text.TextUtils;
  46 import android.text.format.DateFormat;
  47 import android.util.DisplayMetrics;
  48 import android.util.Log;
  49 import android.view.ContextMenu.ContextMenuInfo;
  50 import android.view.ContextMenu;
  51 import android.view.LayoutInflater;
  52 import android.view.Menu;
  53 import android.view.MenuInflater;
  54 import android.view.MenuItem;
  55 import android.view.MotionEvent;
  56 import android.view.View.OnClickListener;
  57 import android.view.View.OnCreateContextMenuListener;
  58 import android.view.View;
  59 import android.view.ViewGroup;
  60 import android.view.ViewTreeObserver;
  61 import android.view.ViewTreeObserver.OnGlobalFocusChangeListener;
  62 import android.view.Window;
  63 import android.view.WindowManager;
  64 import android.view.animation.Animation;
  65 import android.view.animation.AnimationUtils;
  66 import android.view.animation.TranslateAnimation;
  67 import android.widget.AbsoluteLayout;
  68 import android.widget.AdapterView.AdapterContextMenuInfo;
  69 import android.widget.AdapterView.OnItemClickListener;
  70 import android.widget.AdapterView;
  71 import android.widget.Button;
  72 import android.widget.CheckBox;
  73 import android.widget.ImageButton;
  74 import android.widget.ImageView;
  75 import android.widget.TextView;
  76
  77 import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
  78 import static android.os.BatteryManager.BATTERY_STATUS_FULL;
  79 import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
  80
  81 import java.io.IOException;
  82 import java.io.InputStream;
  83 import java.util.Calendar;
  84 import java.util.Date;
  85 import java.util.Locale;
  86 import java.util.Random;
  87
  88 /**
  89  * DeskClock clock view for desk docks.
  90  */
  91 public class DeskClock extends Activity {
  92     private static final boolean DEBUG = false;
  93
  94     private static final String LOG_TAG = "DeskClock";
  95
  96     // Package ID of the music player.
  97     private static final String MUSIC_PACKAGE_ID = "com.android.music";
  98
  99     // Alarm action for midnight (so we can update the date display).
 100     private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
 101
 102     // Interval between forced polls of the weather widget.
 103     private final long QUERY_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr
 104
 105     // Intent to broadcast for dock settings.
 106     private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
 107
 108     // Delay before engaging the burn-in protection mode (green-on-black).
 109     private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
 110
 111     // Repositioning delay in screen saver.
 112     private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
 113
 114     // Color to use for text & graphics in screen saver mode.
 115     private final int SCREEN_SAVER_COLOR = 0xFF308030;
 116     private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
 117
 118     // Opacity of black layer between clock display and wallpaper.
 119     private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
 120     private final float DIM_BEHIND_AMOUNT_DIMMED = 0.8f; // higher contrast when display dimmed
 121
 122     // Internal message IDs.
 123     private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
 124     private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
 125     private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
 126     private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
 127
 128     // Weather widget query information.
 129     private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
 130     private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
 131     private static final String WEATHER_CONTENT_PATH = "/weather/current";
 132     private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
 133             "location",
 134             "timestamp",
 135             "temperature",
 136             "highTemperature",
 137             "lowTemperature",
 138             "iconUrl",
 139             "iconResId",
 140             "description",
 141         };
 142
 143     private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
 144
 145     // State variables follow.
 146     private DigitalClock mTime;
 147     private TextView mDate;
 148
 149     private TextView mNextAlarm = null;
 150     private TextView mBatteryDisplay;
 151
 152     private TextView mWeatherCurrentTemperature;
 153     private TextView mWeatherHighTemperature;
 154     private TextView mWeatherLowTemperature;
 155     private TextView mWeatherLocation;
 156     private ImageView mWeatherIcon;
 157
 158     private String mWeatherCurrentTemperatureString;
 159     private String mWeatherHighTemperatureString;
 160     private String mWeatherLowTemperatureString;
 161     private String mWeatherLocationString;
 162     private Drawable mWeatherIconDrawable;
 163
 164     private Resources mGenieResources = null;
 165
 166     private boolean mDimmed = false;
 167     private boolean mScreenSaverMode = false;
 168
 169     private String mDateFormat;
 170
 171     private int mBatteryLevel = -1;
 172     private boolean mPluggedIn = false;
 173
 174     private boolean mLaunchedFromDock = false;
 175
 176     private Random mRNG;
 177
 178     private PendingIntent mMidnightIntent;
 179
 180     private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
 181         @Override
 182         public void onReceive(Context context, Intent intent) {
 183             final String action = intent.getAction();
 184             if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
 185             if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
 186                 refreshDate();
 187             } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
 188                 handleBatteryUpdate(
 189                     intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
 190                     intent.getIntExtra("level", 0));
 191             } else if (Intent.ACTION_DOCK_EVENT.equals(action)) {
 192                 int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1);
 193                 if (DEBUG) Log.d(LOG_TAG, "ACTION_DOCK_EVENT, state=" + state);
 194                 if (state == Intent.EXTRA_DOCK_STATE_UNDOCKED) {
 195                     if (mLaunchedFromDock) {
 196                         // moveTaskToBack(false);
 197                         finish();
 198                     }
 199                     mLaunchedFromDock = false;
 200                 }
 201             }
 202         }
 203     };
 204
 205     private final Handler mHandy = new Handler() {
 206         @Override
 207         public void handleMessage(Message m) {
 208             if (m.what == QUERY_WEATHER_DATA_MSG) {
 209                 new Thread() { public void run() { queryWeatherData(); } }.start();
 210                 scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
 211             } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
 212                 updateWeatherDisplay();
 213             } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
 214                 saveScreen();
 215             } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
 216                 moveScreenSaver();
 217             }
 218         }
 219     };
 220
 221     private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
 222         @Override
 223         public void onChange(boolean selfChange) {
 224             if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
 225             refreshWeather();
 226         }
 227     };
 228
 229
 230     private void moveScreenSaver() {
 231         moveScreenSaverTo(-1,-1);
 232     }
 233     private void moveScreenSaverTo(int x, int y) {
 234         if (!mScreenSaverMode) return;
 235
 236         final View saver_view = findViewById(R.id.saver_view);
 237
 238         DisplayMetrics metrics = new DisplayMetrics();
 239         getWindowManager().getDefaultDisplay().getMetrics(metrics);
 240
 241         if (x < 0 || y < 0) {
 242             int myWidth = saver_view.getMeasuredWidth();
 243             int myHeight = saver_view.getMeasuredHeight();
 244             x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
 245             y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
 246         }
 247
 248         if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
 249                 System.currentTimeMillis(), x, y));
 250
 251         saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
 252             ViewGroup.LayoutParams.WRAP_CONTENT,
 253             ViewGroup.LayoutParams.WRAP_CONTENT,
 254             x,
 255             y));
 256
 257         // Synchronize our jumping so that it happens exactly on the second.
 258         mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
 259             SCREEN_SAVER_MOVE_DELAY +
 260             (1000 - (System.currentTimeMillis() % 1000)));
 261     }
 262
 263     private void setWakeLock(boolean hold) {
 264         if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
 265         Window win = getWindow();
 266         WindowManager.LayoutParams winParams = win.getAttributes();
 267         winParams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
 268                 | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
 269                 | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
 270                 | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
 271         if (hold)
 272             winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
 273         else
 274             winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 275         win.setAttributes(winParams);
 276     }
 277
 278     private void scheduleScreenSaver() {
 279         // reschedule screen saver
 280         mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
 281         mHandy.sendMessageDelayed(
 282             Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
 283             SCREEN_SAVER_TIMEOUT);
 284     }
 285
 286     private void restoreScreen() {
 287         if (!mScreenSaverMode) return;
 288         if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
 289         mScreenSaverMode = false;
 290         initViews();
 291         doDim(false); // restores previous dim mode
 292         // policy: update weather info when returning from screen saver
 293         if (mPluggedIn) requestWeatherDataFetch();
 294
 295         scheduleScreenSaver();
 296
 297         refreshAll();
 298     }
 299
 300     // Special screen-saver mode for OLED displays that burn in quickly
 301     private void saveScreen() {
 302         if (mScreenSaverMode) return;
 303         if (DEBUG) Log.d(LOG_TAG, "saveScreen");
 304
 305         // quickly stash away the x/y of the current date
 306         final View oldTimeDate = findViewById(R.id.time_date);
 307         int oldLoc[] = new int[2];
 308         oldTimeDate.getLocationOnScreen(oldLoc);
 309
 310         mScreenSaverMode = true;
 311         Window win = getWindow();
 312         WindowManager.LayoutParams winParams = win.getAttributes();
 313         winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
 314         win.setAttributes(winParams);
 315
 316         // give up any internal focus before we switch layouts
 317         final View focused = getCurrentFocus();
 318         if (focused != null) focused.clearFocus();
 319
 320         setContentView(R.layout.desk_clock_saver);
 321
 322         mTime = (DigitalClock) findViewById(R.id.time);
 323         mDate = (TextView) findViewById(R.id.date);
 324         mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
 325
 326         final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
 327
 328         ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
 329         ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
 330         mDate.setTextColor(color);
 331         mNextAlarm.setTextColor(color);
 332         mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
 333             getResources().getDrawable(mDimmed
 334                 ? R.drawable.ic_lock_idle_alarm_saver_dim
 335                 : R.drawable.ic_lock_idle_alarm_saver),
 336             null, null, null);
 337
 338         mBatteryDisplay =
 339         mWeatherCurrentTemperature =
 340         mWeatherHighTemperature =
 341         mWeatherLowTemperature =
 342         mWeatherLocation = null;
 343         mWeatherIcon = null;
 344
 345         refreshDate();
 346         refreshAlarm();
 347
 348         moveScreenSaverTo(oldLoc[0], oldLoc[1]);
 349     }
 350
 351     @Override
 352     public void onUserInteraction() {
 353         if (mScreenSaverMode)
 354             restoreScreen();
 355     }
 356
 357     // Tell the Genie widget to load new data from the network.
 358     private void requestWeatherDataFetch() {
 359         if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
 360         sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
 361         // we expect the result to show up in our content observer
 362     }
 363
 364     private boolean supportsWeather() {
 365         return (mGenieResources != null);
 366     }
 367
 368     private void scheduleWeatherQueryDelayed(long delay) {
 369         // cancel any existing scheduled queries
 370         unscheduleWeatherQuery();
 371
 372         if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
 373
 374         mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
 375     }
 376
 377     private void unscheduleWeatherQuery() {
 378         mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
 379     }
 380
 381     private void queryWeatherData() {
 382         // if we couldn't load the weather widget's resources, we simply
 383         // assume it's not present on the device.
 384         if (mGenieResources == null) return;
 385
 386         Uri queryUri = new Uri.Builder()
 387             .scheme(android.content.ContentResolver.SCHEME_CONTENT)
 388             .authority(WEATHER_CONTENT_AUTHORITY)
 389             .path(WEATHER_CONTENT_PATH)
 390             .appendPath(new Long(System.currentTimeMillis()).toString())
 391             .build();
 392
 393         if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
 394
 395         Cursor cur;
 396         try {
 397             cur = managedQuery(
 398                 queryUri,
 399                 WEATHER_CONTENT_COLUMNS,
 400                 null,
 401                 null,
 402                 null);
 403         } catch (RuntimeException e) {
 404             Log.e(LOG_TAG, "Weather query failed", e);
 405             cur = null;
 406         }
 407
 408         if (cur != null && cur.moveToFirst()) {
 409             if (DEBUG) {
 410                 java.lang.StringBuilder sb =
 411                     new java.lang.StringBuilder("Weather query result: {");
 412                 for(int i=0; i<cur.getColumnCount(); i++) {
 413                     if (i>0) sb.append(", ");
 414                     sb.append(cur.getColumnName(i))
 415                         .append("=")
 416                         .append(cur.getString(i));
 417                 }
 418                 sb.append("}");
 419                 Log.d(LOG_TAG, sb.toString());
 420             }
 421
 422             mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
 423                 cur.getColumnIndexOrThrow("iconResId")));
 424             mWeatherCurrentTemperatureString = String.format("%d\u00b0",
 425                 (cur.getInt(cur.getColumnIndexOrThrow("temperature"))));
 426             mWeatherHighTemperatureString = String.format("%d\u00b0",
 427                 (cur.getInt(cur.getColumnIndexOrThrow("highTemperature"))));
 428             mWeatherLowTemperatureString = String.format("%d\u00b0",
 429                 (cur.getInt(cur.getColumnIndexOrThrow("lowTemperature"))));
 430             mWeatherLocationString = cur.getString(
 431                 cur.getColumnIndexOrThrow("location"));
 432         } else {
 433             Log.w(LOG_TAG, "No weather information available (cur="
 434                 + cur +")");
 435             mWeatherIconDrawable = null;
 436             mWeatherHighTemperatureString = "";
 437             mWeatherLowTemperatureString = "";
 438             mWeatherLocationString = getString(R.string.weather_fetch_failure);
 439         }
 440
 441         mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
 442     }
 443
 444     private void refreshWeather() {
 445         if (supportsWeather())
 446             scheduleWeatherQueryDelayed(0);
 447         updateWeatherDisplay(); // in case we have it cached
 448     }
 449
 450     private void updateWeatherDisplay() {
 451         if (mWeatherCurrentTemperature == null) return;
 452
 453         mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
 454         mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
 455         mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
 456         mWeatherLocation.setText(mWeatherLocationString);
 457         mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
 458     }
 459
 460     // Adapted from KeyguardUpdateMonitor.java
 461     private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
 462         final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
 463         if (pluggedIn != mPluggedIn) {
 464             setWakeLock(pluggedIn);
 465
 466             if (pluggedIn) {
 467                 // policy: update weather info when attaching to power
 468                 requestWeatherDataFetch();
 469             }
 470         }
 471         if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
 472             mBatteryLevel = batteryLevel;
 473             mPluggedIn = pluggedIn;
 474             refreshBattery();
 475         }
 476     }
 477
 478     private void refreshBattery() {
 479         if (mBatteryDisplay == null) return;
 480
 481         if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
 482             mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
 483                 0, 0, android.R.drawable.ic_lock_idle_charging, 0);
 484             mBatteryDisplay.setText(
 485                 getString(R.string.battery_charging_level, mBatteryLevel));
 486             mBatteryDisplay.setVisibility(View.VISIBLE);
 487         } else {
 488             mBatteryDisplay.setVisibility(View.INVISIBLE);
 489         }
 490     }
 491
 492     private void refreshDate() {
 493         final Date now = new Date();
 494         if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
 495         mDate.setText(DateFormat.format(mDateFormat, now));
 496     }
 497
 498     private void refreshAlarm() {
 499         if (mNextAlarm == null) return;
 500
 501         String nextAlarm = Settings.System.getString(getContentResolver(),
 502                 Settings.System.NEXT_ALARM_FORMATTED);
 503         if (!TextUtils.isEmpty(nextAlarm)) {
 504             mNextAlarm.setText(nextAlarm);
 505             //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
 506             //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
 507             mNextAlarm.setVisibility(View.VISIBLE);
 508         } else {
 509             mNextAlarm.setVisibility(View.INVISIBLE);
 510         }
 511     }
 512
 513     private void refreshAll() {
 514         refreshDate();
 515         refreshAlarm();
 516         refreshBattery();
 517         refreshWeather();
 518     }
 519
 520     private void doDim(boolean fade) {
 521         View tintView = findViewById(R.id.window_tint);
 522         if (tintView == null) return;
 523
 524         Window win = getWindow();
 525         WindowManager.LayoutParams winParams = win.getAttributes();
 526
 527         winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
 528         winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
 529
 530         // dim the wallpaper somewhat (how much is determined below)
 531         winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
 532
 533         if (mDimmed) {
 534             winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
 535             winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
 536             winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_OFF;
 537
 538             // show the window tint
 539             tintView.startAnimation(AnimationUtils.loadAnimation(this,
 540                 fade ? R.anim.dim
 541                      : R.anim.dim_instant));
 542         } else {
 543             winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
 544             winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
 545             winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
 546
 547             // hide the window tint
 548             tintView.startAnimation(AnimationUtils.loadAnimation(this,
 549                 fade ? R.anim.undim
 550                      : R.anim.undim_instant));
 551         }
 552
 553         win.setAttributes(winParams);
 554     }
 555
 556     @Override
 557     public void onNewIntent(Intent newIntent) {
 558         super.onNewIntent(newIntent);
 559         if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
 560
 561         // update our intent so that we can consult it to determine whether or
 562         // not the most recent launch was via a dock event
 563         setIntent(newIntent);
 564     }
 565
 566     @Override
 567     public void onResume() {
 568         super.onResume();
 569         if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
 570
 571         // reload the date format in case the user has changed settings
 572         // recently
 573         mDateFormat = getString(R.string.full_wday_month_day_no_year);
 574
 575         IntentFilter filter = new IntentFilter();
 576         filter.addAction(Intent.ACTION_DATE_CHANGED);
 577         filter.addAction(Intent.ACTION_BATTERY_CHANGED);
 578         filter.addAction(Intent.ACTION_DOCK_EVENT);
 579         filter.addAction(ACTION_MIDNIGHT);
 580         registerReceiver(mIntentReceiver, filter);
 581
 582         // Listen for updates to weather data
 583         Uri weatherNotificationUri = new Uri.Builder()
 584             .scheme(android.content.ContentResolver.SCHEME_CONTENT)
 585             .authority(WEATHER_CONTENT_AUTHORITY)
 586             .path(WEATHER_CONTENT_PATH)
 587             .build();
 588         getContentResolver().registerContentObserver(
 589             weatherNotificationUri, true, mContentObserver);
 590
 591         // Elaborate mechanism to find out when the day rolls over
 592         Calendar today = Calendar.getInstance();
 593         today.set(Calendar.HOUR_OF_DAY, 0);
 594         today.set(Calendar.MINUTE, 0);
 595         today.set(Calendar.SECOND, 0);
 596         today.add(Calendar.DATE, 1);
 597         long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
 598         mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
 599         AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 600         am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
 601         if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
 602             + alarmTimeUTC + " repeating every "
 603             + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
 604
 605         // If we weren't previously visible but now we are, it's because we're
 606         // being started from another activity. So it's OK to un-dim.
 607         if (mTime != null && mTime.getWindowVisibility() != View.VISIBLE) {
 608             mDimmed = false;
 609         }
 610
 611         // Adjust the display to reflect the currently chosen dim mode.
 612         doDim(false);
 613
 614         restoreScreen(); // disable screen saver
 615         refreshAll(); // will schedule periodic weather fetch
 616
 617         setWakeLock(mPluggedIn);
 618
 619         scheduleScreenSaver();
 620
 621         final boolean launchedFromDock
 622             = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
 623
 624         if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
 625             // policy: fetch weather if launched via dock connection
 626             if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
 627             requestWeatherDataFetch();
 628         }
 629
 630         mLaunchedFromDock = launchedFromDock;
 631     }
 632
 633     @Override
 634     public void onPause() {
 635         if (DEBUG) Log.d(LOG_TAG, "onPause");
 636
 637         // Turn off the screen saver and cancel any pending timeouts.
 638         // (But don't un-dim.)
 639         mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
 640         restoreScreen();
 641
 642         // Other things we don't want to be doing in the background.
 643         unregisterReceiver(mIntentReceiver);
 644         getContentResolver().unregisterContentObserver(mContentObserver);
 645
 646         AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 647         am.cancel(mMidnightIntent);
 648         unscheduleWeatherQuery();
 649
 650         super.onPause();
 651     }
 652
 653     private void initViews() {
 654         // give up any internal focus before we switch layouts
 655         final View focused = getCurrentFocus();
 656         if (focused != null) focused.clearFocus();
 657
 658         setContentView(R.layout.desk_clock);
 659
 660         mTime = (DigitalClock) findViewById(R.id.time);
 661         mDate = (TextView) findViewById(R.id.date);
 662         mBatteryDisplay = (TextView) findViewById(R.id.battery);
 663
 664         mTime.getRootView().requestFocus();
 665
 666         mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
 667         mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
 668         mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
 669         mWeatherLocation = (TextView) findViewById(R.id.weather_location);
 670         mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
 671
 672         final View.OnClickListener alarmClickListener = new View.OnClickListener() {
 673             public void onClick(View v) {
 674                 startActivity(new Intent(DeskClock.this, AlarmClock.class));
 675             }
 676         };
 677
 678         mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
 679         mNextAlarm.setOnClickListener(alarmClickListener);
 680
 681         final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
 682         alarmButton.setOnClickListener(alarmClickListener);
 683
 684         final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
 685         galleryButton.setOnClickListener(new View.OnClickListener() {
 686             public void onClick(View v) {
 687                 try {
 688                     startActivity(new Intent(
 689                         Intent.ACTION_VIEW,
 690                         android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
 691                             .putExtra("slideshow", true)
 692                             .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
 693                 } catch (android.content.ActivityNotFoundException e) {
 694                     Log.e(LOG_TAG, "Couldn't launch image browser", e);
 695                 }
 696             }
 697         });
 698
 699         final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
 700         musicButton.setOnClickListener(new View.OnClickListener() {
 701             public void onClick(View v) {
 702                 try {
 703                     Intent musicAppQuery = getPackageManager()
 704                         .getLaunchIntentForPackage(MUSIC_PACKAGE_ID);
 705                     if (musicAppQuery != null) {
 706                         musicAppQuery.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
 707                         startActivity(musicAppQuery);
 708                     }
 709                 } catch (android.content.ActivityNotFoundException e) {
 710                     Log.e(LOG_TAG, "Couldn't launch music browser", e);
 711                 }
 712             }
 713         });
 714
 715         final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
 716         homeButton.setOnClickListener(new View.OnClickListener() {
 717             public void onClick(View v) {
 718                 startActivity(
 719                     new Intent(Intent.ACTION_MAIN)
 720                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
 721                         .addCategory(Intent.CATEGORY_HOME));
 722             }
 723         });
 724
 725         final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
 726         nightmodeButton.setOnClickListener(new View.OnClickListener() {
 727             public void onClick(View v) {
 728                 mDimmed = ! mDimmed;
 729                 doDim(true);
 730             }
 731         });
 732
 733         nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
 734             public boolean onLongClick(View v) {
 735                 saveScreen();
 736                 return true;
 737             }
 738         });
 739
 740         final View weatherView = findViewById(R.id.weather);
 741         weatherView.setOnClickListener(new View.OnClickListener() {
 742             public void onClick(View v) {
 743                 if (!supportsWeather()) return;
 744
 745                 Intent genieAppQuery = getPackageManager()
 746                     .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
 747                     .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
 748                 if (genieAppQuery != null) {
 749                     startActivity(genieAppQuery);
 750                 }
 751             }
 752         });
 753
 754         final View tintView = findViewById(R.id.window_tint);
 755         tintView.setOnTouchListener(new View.OnTouchListener() {
 756             public boolean onTouch(View v, MotionEvent event) {
 757                 if (mDimmed && event.getAction() == MotionEvent.ACTION_DOWN) {
 758                     // We want to un-dim the whole screen on tap.
 759                     // ...Unless the user is specifically tapping on the dim
 760                     // widget, in which case let it do the work.
 761                     Rect r = new Rect();
 762                     nightmodeButton.getHitRect(r);
 763                     int[] gloc = new int[2];
 764                     nightmodeButton.getLocationInWindow(gloc);
 765                     r.offsetTo(gloc[0], gloc[1]); // convert to window coords
 766
 767                     if (!r.contains((int) event.getX(), (int) event.getY())) {
 768                         mDimmed = false;
 769                         doDim(true);
 770                     }
 771                 }
 772                 return false; // always pass the click through
 773             }
 774         });
 775
 776         // Tidy up awkward focus behavior: the first view to be focused in
 777         // trackball mode should be the alarms button
 778         final ViewTreeObserver vto = alarmButton.getViewTreeObserver();
 779         vto.addOnGlobalFocusChangeListener(new ViewTreeObserver.OnGlobalFocusChangeListener() {
 780             public void onGlobalFocusChanged(View oldFocus, View newFocus) {
 781                 if (oldFocus == null && newFocus == nightmodeButton) {
 782                     alarmButton.requestFocus();
 783                 }
 784             }
 785         });
 786     }
 787
 788     @Override
 789     public void onConfigurationChanged(Configuration newConfig) {
 790         super.onConfigurationChanged(newConfig);
 791         if (mScreenSaverMode) {
 792             moveScreenSaver();
 793         } else {
 794             initViews();
 795             doDim(false);
 796             refreshAll();
 797         }
 798     }
 799
 800     @Override
 801     public boolean onOptionsItemSelected(MenuItem item) {
 802         switch (item.getItemId()) {
 803             case R.id.menu_item_alarms:
 804                 startActivity(new Intent(DeskClock.this, AlarmClock.class));
 805                 return true;
 806             case R.id.menu_item_add_alarm:
 807                 startActivity(new Intent(this, SetAlarm.class));
 808                 return true;
 809             case R.id.menu_item_dock_settings:
 810                 startActivity(new Intent(DOCK_SETTINGS_ACTION));
 811                 return true;
 812             default:
 813                 return false;
 814         }
 815     }
 816
 817     @Override
 818     public boolean onCreateOptionsMenu(Menu menu) {
 819         MenuInflater inflater = getMenuInflater();
 820         inflater.inflate(R.menu.desk_clock_menu, menu);
 821         return true;
 822     }
 823
 824     @Override
 825     protected void onCreate(Bundle icicle) {
 826         super.onCreate(icicle);
 827
 828         mRNG = new Random();
 829
 830         try {
 831             mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
 832         } catch (PackageManager.NameNotFoundException e) {
 833             // no weather info available
 834             Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
 835         }
 836
 837         initViews();
 838     }
 839
 840 }