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      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.app.UiModeManager;
     24 import android.content.BroadcastReceiver;
     25 import android.content.Context;
     26 import android.content.ContentResolver;
     27 import android.content.DialogInterface;
     28 import android.content.Intent;
     29 import android.content.IntentFilter;
     30 import android.content.SharedPreferences;
     31 import android.content.pm.PackageManager;
     32 import android.content.res.Configuration;
     33 import android.content.res.Resources;
     34 import android.database.ContentObserver;
     35 import android.database.Cursor;
     36 import android.graphics.Rect;
     37 import android.graphics.drawable.BitmapDrawable;
     38 import android.graphics.drawable.ColorDrawable;
     39 import android.graphics.drawable.Drawable;
     40 import android.net.Uri;
     41 import android.os.BatteryManager;
     42 import android.os.Bundle;
     43 import android.os.Handler;
     44 import android.os.Message;
     45 import android.os.SystemClock;
     46 import android.os.PowerManager;
     47 import android.provider.Settings;
     48 import android.provider.MediaStore;
     49 import android.text.TextUtils;
     50 import android.text.format.DateFormat;
     51 import android.util.DisplayMetrics;
     52 import android.util.Log;
     53 import android.view.ContextMenu.ContextMenuInfo;
     54 import android.view.ContextMenu;
     55 import android.view.LayoutInflater;
     56 import android.view.Menu;
     57 import android.view.MenuInflater;
     58 import android.view.MenuItem;
     59 import android.view.MotionEvent;
     60 import android.view.View.OnClickListener;
     61 import android.view.View.OnCreateContextMenuListener;
     62 import android.view.View;
     63 import android.view.ViewGroup;
     64 import android.view.ViewTreeObserver;
     65 import android.view.ViewTreeObserver.OnGlobalFocusChangeListener;
     66 import android.view.Window;
     67 import android.view.WindowManager;
     68 import android.view.animation.Animation;
     69 import android.view.animation.AnimationUtils;
     70 import android.view.animation.TranslateAnimation;
     71 import android.widget.AbsoluteLayout;
     72 import android.widget.AdapterView.AdapterContextMenuInfo;
     73 import android.widget.AdapterView.OnItemClickListener;
     74 import android.widget.AdapterView;
     75 import android.widget.Button;
     76 import android.widget.CheckBox;
     77 import android.widget.ImageButton;
     78 import android.widget.ImageView;
     79 import android.widget.TextView;
     80 
     81 import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
     82 import static android.os.BatteryManager.BATTERY_STATUS_FULL;
     83 import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
     84 
     85 import java.io.IOException;
     86 import java.io.InputStream;
     87 import java.util.Calendar;
     88 import java.util.Date;
     89 import java.util.Locale;
     90 import java.util.Random;
     91 
     92 /**
     93  * DeskClock clock view for desk docks.
     94  */
     95 public class DeskClock extends Activity {
     96     private static final boolean DEBUG = false;
     97 
     98     private static final String LOG_TAG = "DeskClock";
     99 
    100     // Alarm action for midnight (so we can update the date display).
    101     private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
    102 
    103     // Interval between forced polls of the weather widget.
    104     private final long QUERY_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr
    105 
    106     // Intent to broadcast for dock settings.
    107     private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
    108 
    109     // Delay before engaging the burn-in protection mode (green-on-black).
    110     private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
    111 
    112     // Repositioning delay in screen saver.
    113     private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
    114 
    115     // Color to use for text & graphics in screen saver mode.
    116     private final int SCREEN_SAVER_COLOR = 0xFF308030;
    117     private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
    118 
    119     // Opacity of black layer between clock display and wallpaper.
    120     private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
    121     private final float DIM_BEHIND_AMOUNT_DIMMED = 0.8f; // higher contrast when display dimmed
    122 
    123     // Internal message IDs.
    124     private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
    125     private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
    126     private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
    127     private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
    128 
    129     // Weather widget query information.
    130     private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
    131     private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
    132     private static final String WEATHER_CONTENT_PATH = "/weather/current";
    133     private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
    134             "location",
    135             "timestamp",
    136             "temperature",
    137             "highTemperature",
    138             "lowTemperature",
    139             "iconUrl",
    140             "iconResId",
    141             "description",
    142         };
    143 
    144     private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
    145 
    146     // State variables follow.
    147     private DigitalClock mTime;
    148     private TextView mDate;
    149 
    150     private TextView mNextAlarm = null;
    151     private TextView mBatteryDisplay;
    152 
    153     private TextView mWeatherCurrentTemperature;
    154     private TextView mWeatherHighTemperature;
    155     private TextView mWeatherLowTemperature;
    156     private TextView mWeatherLocation;
    157     private ImageView mWeatherIcon;
    158 
    159     private String mWeatherCurrentTemperatureString;
    160     private String mWeatherHighTemperatureString;
    161     private String mWeatherLowTemperatureString;
    162     private String mWeatherLocationString;
    163     private Drawable mWeatherIconDrawable;
    164 
    165     private Resources mGenieResources = null;
    166 
    167     private boolean mDimmed = false;
    168     private boolean mScreenSaverMode = false;
    169 
    170     private String mDateFormat;
    171 
    172     private int mBatteryLevel = -1;
    173     private boolean mPluggedIn = false;
    174 
    175     private boolean mLaunchedFromDock = false;
    176 
    177     private Random mRNG;
    178 
    179     private PendingIntent mMidnightIntent;
    180 
    181     private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
    182         @Override
    183         public void onReceive(Context context, Intent intent) {
    184             final String action = intent.getAction();
    185             if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
    186             if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
    187                 refreshDate();
    188             } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
    189                 handleBatteryUpdate(
    190                     intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0),
    191                     intent.getIntExtra(BatteryManager.EXTRA_STATUS, BATTERY_STATUS_UNKNOWN),
    192                     intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0));
    193             } else if (UiModeManager.ACTION_EXIT_DESK_MODE.equals(action)) {
    194                 if (mLaunchedFromDock) {
    195                     // moveTaskToBack(false);
    196                     finish();
    197                 }
    198                 mLaunchedFromDock = false;
    199             }
    200         }
    201     };
    202 
    203     private final Handler mHandy = new Handler() {
    204         @Override
    205         public void handleMessage(Message m) {
    206             if (m.what == QUERY_WEATHER_DATA_MSG) {
    207                 new Thread() { public void run() { queryWeatherData(); } }.start();
    208                 scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
    209             } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
    210                 updateWeatherDisplay();
    211             } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
    212                 saveScreen();
    213             } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
    214                 moveScreenSaver();
    215             }
    216         }
    217     };
    218 
    219     private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
    220         @Override
    221         public void onChange(boolean selfChange) {
    222             if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
    223             refreshWeather();
    224         }
    225     };
    226 
    227 
    228     private void moveScreenSaver() {
    229         moveScreenSaverTo(-1,-1);
    230     }
    231     private void moveScreenSaverTo(int x, int y) {
    232         if (!mScreenSaverMode) return;
    233 
    234         final View saver_view = findViewById(R.id.saver_view);
    235 
    236         DisplayMetrics metrics = new DisplayMetrics();
    237         getWindowManager().getDefaultDisplay().getMetrics(metrics);
    238 
    239         if (x < 0 || y < 0) {
    240             int myWidth = saver_view.getMeasuredWidth();
    241             int myHeight = saver_view.getMeasuredHeight();
    242             x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
    243             y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
    244         }
    245 
    246         if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
    247                 System.currentTimeMillis(), x, y));
    248 
    249         saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
    250             ViewGroup.LayoutParams.WRAP_CONTENT,
    251             ViewGroup.LayoutParams.WRAP_CONTENT,
    252             x,
    253             y));
    254 
    255         // Synchronize our jumping so that it happens exactly on the second.
    256         mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
    257             SCREEN_SAVER_MOVE_DELAY +
    258             (1000 - (System.currentTimeMillis() % 1000)));
    259     }
    260 
    261     private void setWakeLock(boolean hold) {
    262         if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
    263         Window win = getWindow();
    264         WindowManager.LayoutParams winParams = win.getAttributes();
    265         winParams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
    266                 | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
    267                 | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
    268                 | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
    269         if (hold)
    270             winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
    271         else
    272             winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    273         win.setAttributes(winParams);
    274     }
    275 
    276     private void scheduleScreenSaver() {
    277         // reschedule screen saver
    278         mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
    279         mHandy.sendMessageDelayed(
    280             Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
    281             SCREEN_SAVER_TIMEOUT);
    282     }
    283 
    284     private void restoreScreen() {
    285         if (!mScreenSaverMode) return;
    286         if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
    287         mScreenSaverMode = false;
    288         initViews();
    289         doDim(false); // restores previous dim mode
    290         // policy: update weather info when returning from screen saver
    291         if (mPluggedIn) requestWeatherDataFetch();
    292 
    293         scheduleScreenSaver();
    294 
    295         refreshAll();
    296     }
    297 
    298     // Special screen-saver mode for OLED displays that burn in quickly
    299     private void saveScreen() {
    300         if (mScreenSaverMode) return;
    301         if (DEBUG) Log.d(LOG_TAG, "saveScreen");
    302 
    303         // quickly stash away the x/y of the current date
    304         final View oldTimeDate = findViewById(R.id.time_date);
    305         int oldLoc[] = new int[2];
    306         oldTimeDate.getLocationOnScreen(oldLoc);
    307 
    308         mScreenSaverMode = true;
    309         Window win = getWindow();
    310         WindowManager.LayoutParams winParams = win.getAttributes();
    311         winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
    312         win.setAttributes(winParams);
    313 
    314         // give up any internal focus before we switch layouts
    315         final View focused = getCurrentFocus();
    316         if (focused != null) focused.clearFocus();
    317 
    318         setContentView(R.layout.desk_clock_saver);
    319 
    320         mTime = (DigitalClock) findViewById(R.id.time);
    321         mDate = (TextView) findViewById(R.id.date);
    322         mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
    323 
    324         final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
    325 
    326         ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
    327         ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
    328         mDate.setTextColor(color);
    329         mNextAlarm.setTextColor(color);
    330         mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
    331             getResources().getDrawable(mDimmed
    332                 ? R.drawable.ic_lock_idle_alarm_saver_dim
    333                 : R.drawable.ic_lock_idle_alarm_saver),
    334             null, null, null);
    335 
    336         mBatteryDisplay =
    337         mWeatherCurrentTemperature =
    338         mWeatherHighTemperature =
    339         mWeatherLowTemperature =
    340         mWeatherLocation = null;
    341         mWeatherIcon = null;
    342 
    343         refreshDate();
    344         refreshAlarm();
    345 
    346         moveScreenSaverTo(oldLoc[0], oldLoc[1]);
    347     }
    348 
    349     @Override
    350     public void onUserInteraction() {
    351         if (mScreenSaverMode)
    352             restoreScreen();
    353     }
    354 
    355     // Tell the Genie widget to load new data from the network.
    356     private void requestWeatherDataFetch() {
    357         if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
    358         sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
    359         // we expect the result to show up in our content observer
    360     }
    361 
    362     private boolean supportsWeather() {
    363         return (mGenieResources != null);
    364     }
    365 
    366     private void scheduleWeatherQueryDelayed(long delay) {
    367         // cancel any existing scheduled queries
    368         unscheduleWeatherQuery();
    369 
    370         if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
    371 
    372         mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
    373     }
    374 
    375     private void unscheduleWeatherQuery() {
    376         mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
    377     }
    378 
    379     private void queryWeatherData() {
    380         // if we couldn't load the weather widget's resources, we simply
    381         // assume it's not present on the device.
    382         if (mGenieResources == null) return;
    383 
    384         Uri queryUri = new Uri.Builder()
    385             .scheme(android.content.ContentResolver.SCHEME_CONTENT)
    386             .authority(WEATHER_CONTENT_AUTHORITY)
    387             .path(WEATHER_CONTENT_PATH)
    388             .appendPath(new Long(System.currentTimeMillis()).toString())
    389             .build();
    390 
    391         if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
    392 
    393         Cursor cur;
    394         try {
    395             cur = getContentResolver().query(
    396                 queryUri,
    397                 WEATHER_CONTENT_COLUMNS,
    398                 null,
    399                 null,
    400                 null);
    401         } catch (RuntimeException e) {
    402             Log.e(LOG_TAG, "Weather query failed", e);
    403             cur = null;
    404         }
    405 
    406         if (cur != null && cur.moveToFirst()) {
    407             if (DEBUG) {
    408                 java.lang.StringBuilder sb =
    409                     new java.lang.StringBuilder("Weather query result: {");
    410                 for(int i=0; i<cur.getColumnCount(); i++) {
    411                     if (i>0) sb.append(", ");
    412                     sb.append(cur.getColumnName(i))
    413                         .append("=")
    414                         .append(cur.getString(i));
    415                 }
    416                 sb.append("}");
    417                 Log.d(LOG_TAG, sb.toString());
    418             }
    419 
    420             mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
    421                 cur.getColumnIndexOrThrow("iconResId")));
    422 
    423             mWeatherLocationString = cur.getString(
    424                 cur.getColumnIndexOrThrow("location"));
    425 
    426             // any of these may be NULL
    427             final int colTemp = cur.getColumnIndexOrThrow("temperature");
    428             final int colHigh = cur.getColumnIndexOrThrow("highTemperature");
    429             final int colLow = cur.getColumnIndexOrThrow("lowTemperature");
    430 
    431             mWeatherCurrentTemperatureString =
    432                 cur.isNull(colTemp)
    433                     ? "\u2014"
    434                     : String.format("%d\u00b0", cur.getInt(colTemp));
    435             mWeatherHighTemperatureString =
    436                 cur.isNull(colHigh)
    437                     ? "\u2014"
    438                     : String.format("%d\u00b0", cur.getInt(colHigh));
    439             mWeatherLowTemperatureString =
    440                 cur.isNull(colLow)
    441                     ? "\u2014"
    442                     : String.format("%d\u00b0", cur.getInt(colLow));
    443         } else {
    444             Log.w(LOG_TAG, "No weather information available (cur="
    445                 + cur +")");
    446             mWeatherIconDrawable = null;
    447             mWeatherLocationString = getString(R.string.weather_fetch_failure);
    448             mWeatherCurrentTemperatureString =
    449                 mWeatherHighTemperatureString =
    450                 mWeatherLowTemperatureString = "";
    451         }
    452 
    453         if (cur != null) {
    454             // clean up cursor
    455             cur.close();
    456         }
    457 
    458         mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
    459     }
    460 
    461     private void refreshWeather() {
    462         if (supportsWeather())
    463             scheduleWeatherQueryDelayed(0);
    464         updateWeatherDisplay(); // in case we have it cached
    465     }
    466 
    467     private void updateWeatherDisplay() {
    468         if (mWeatherCurrentTemperature == null) return;
    469 
    470         mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
    471         mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
    472         mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
    473         mWeatherLocation.setText(mWeatherLocationString);
    474         mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
    475     }
    476 
    477     // Adapted from KeyguardUpdateMonitor.java
    478     private void handleBatteryUpdate(int plugged, int status, int level) {
    479         final boolean pluggedIn = (plugged != 0);
    480         if (pluggedIn != mPluggedIn) {
    481             setWakeLock(pluggedIn);
    482 
    483             if (pluggedIn) {
    484                 // policy: update weather info when attaching to power
    485                 requestWeatherDataFetch();
    486             }
    487         }
    488         if (pluggedIn != mPluggedIn || level != mBatteryLevel) {
    489             mBatteryLevel = level;
    490             mPluggedIn = pluggedIn;
    491             refreshBattery();
    492         }
    493     }
    494 
    495     private void refreshBattery() {
    496         if (mBatteryDisplay == null) return;
    497 
    498         if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
    499             mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
    500                 0, 0, android.R.drawable.ic_lock_idle_charging, 0);
    501             mBatteryDisplay.setText(
    502                 getString(R.string.battery_charging_level, mBatteryLevel));
    503             mBatteryDisplay.setVisibility(View.VISIBLE);
    504         } else {
    505             mBatteryDisplay.setVisibility(View.INVISIBLE);
    506         }
    507     }
    508 
    509     private void refreshDate() {
    510         final Date now = new Date();
    511         if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
    512         mDate.setText(DateFormat.format(mDateFormat, now));
    513     }
    514 
    515     private void refreshAlarm() {
    516         if (mNextAlarm == null) return;
    517 
    518         String nextAlarm = Settings.System.getString(getContentResolver(),
    519                 Settings.System.NEXT_ALARM_FORMATTED);
    520         if (!TextUtils.isEmpty(nextAlarm)) {
    521             mNextAlarm.setText(nextAlarm);
    522             //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
    523             //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
    524             mNextAlarm.setVisibility(View.VISIBLE);
    525         } else {
    526             mNextAlarm.setVisibility(View.INVISIBLE);
    527         }
    528     }
    529 
    530     private void refreshAll() {
    531         refreshDate();
    532         refreshAlarm();
    533         refreshBattery();
    534         refreshWeather();
    535     }
    536 
    537     private void doDim(boolean fade) {
    538         View tintView = findViewById(R.id.window_tint);
    539         if (tintView == null) return;
    540 
    541         Window win = getWindow();
    542         WindowManager.LayoutParams winParams = win.getAttributes();
    543 
    544         winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
    545         winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
    546 
    547         // dim the wallpaper somewhat (how much is determined below)
    548         winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
    549 
    550         if (mDimmed) {
    551             winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
    552             winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
    553             winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_OFF;
    554 
    555             // show the window tint
    556             tintView.startAnimation(AnimationUtils.loadAnimation(this,
    557                 fade ? R.anim.dim
    558                      : R.anim.dim_instant));
    559         } else {
    560             winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
    561             winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
    562             winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
    563 
    564             // hide the window tint
    565             tintView.startAnimation(AnimationUtils.loadAnimation(this,
    566                 fade ? R.anim.undim
    567                      : R.anim.undim_instant));
    568         }
    569 
    570         win.setAttributes(winParams);
    571     }
    572 
    573     @Override
    574     public void onNewIntent(Intent newIntent) {
    575         super.onNewIntent(newIntent);
    576         if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
    577 
    578         // update our intent so that we can consult it to determine whether or
    579         // not the most recent launch was via a dock event
    580         setIntent(newIntent);
    581     }
    582 
    583     @Override
    584     public void onStart() {
    585         super.onStart();
    586 
    587         IntentFilter filter = new IntentFilter();
    588         filter.addAction(Intent.ACTION_DATE_CHANGED);
    589         filter.addAction(Intent.ACTION_BATTERY_CHANGED);
    590         filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
    591         filter.addAction(ACTION_MIDNIGHT);
    592         registerReceiver(mIntentReceiver, filter);
    593     }
    594 
    595     @Override
    596     public void onStop() {
    597         super.onStop();
    598 
    599         unregisterReceiver(mIntentReceiver);
    600     }
    601 
    602     @Override
    603     public void onResume() {
    604         super.onResume();
    605         if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
    606 
    607         // reload the date format in case the user has changed settings
    608         // recently
    609         mDateFormat = getString(R.string.full_wday_month_day_no_year);
    610 
    611         // Listen for updates to weather data
    612         Uri weatherNotificationUri = new Uri.Builder()
    613             .scheme(android.content.ContentResolver.SCHEME_CONTENT)
    614             .authority(WEATHER_CONTENT_AUTHORITY)
    615             .path(WEATHER_CONTENT_PATH)
    616             .build();
    617         getContentResolver().registerContentObserver(
    618             weatherNotificationUri, true, mContentObserver);
    619 
    620         // Elaborate mechanism to find out when the day rolls over
    621         Calendar today = Calendar.getInstance();
    622         today.set(Calendar.HOUR_OF_DAY, 0);
    623         today.set(Calendar.MINUTE, 0);
    624         today.set(Calendar.SECOND, 0);
    625         today.add(Calendar.DATE, 1);
    626         long alarmTimeUTC = today.getTimeInMillis();
    627 
    628         mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
    629         AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    630         am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
    631         if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at UTC: "
    632             + alarmTimeUTC + " ("
    633             + (alarmTimeUTC - System.currentTimeMillis())
    634             + " ms from now) repeating every "
    635             + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
    636 
    637         // If we weren't previously visible but now we are, it's because we're
    638         // being started from another activity. So it's OK to un-dim.
    639         if (mTime != null && mTime.getWindowVisibility() != View.VISIBLE) {
    640             mDimmed = false;
    641         }
    642 
    643         // Adjust the display to reflect the currently chosen dim mode.
    644         doDim(false);
    645 
    646         restoreScreen(); // disable screen saver
    647         refreshAll(); // will schedule periodic weather fetch
    648 
    649         setWakeLock(mPluggedIn);
    650 
    651         scheduleScreenSaver();
    652 
    653         final boolean launchedFromDock
    654             = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
    655 
    656         if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
    657             // policy: fetch weather if launched via dock connection
    658             if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
    659             requestWeatherDataFetch();
    660         }
    661 
    662         mLaunchedFromDock = launchedFromDock;
    663     }
    664 
    665     @Override
    666     public void onPause() {
    667         if (DEBUG) Log.d(LOG_TAG, "onPause");
    668 
    669         // Turn off the screen saver and cancel any pending timeouts.
    670         // (But don't un-dim.)
    671         mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
    672         restoreScreen();
    673 
    674         // Other things we don't want to be doing in the background.
    675         // NB: we need to keep our broadcast receiver alive in case the dock
    676         // is disconnected while the screen is off
    677         getContentResolver().unregisterContentObserver(mContentObserver);
    678 
    679         AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    680         am.cancel(mMidnightIntent);
    681         unscheduleWeatherQuery();
    682 
    683         super.onPause();
    684     }
    685 
    686     private void initViews() {
    687         // give up any internal focus before we switch layouts
    688         final View focused = getCurrentFocus();
    689         if (focused != null) focused.clearFocus();
    690 
    691         setContentView(R.layout.desk_clock);
    692 
    693         mTime = (DigitalClock) findViewById(R.id.time);
    694         mDate = (TextView) findViewById(R.id.date);
    695         mBatteryDisplay = (TextView) findViewById(R.id.battery);
    696 
    697         mTime.getRootView().requestFocus();
    698 
    699         mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
    700         mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
    701         mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
    702         mWeatherLocation = (TextView) findViewById(R.id.weather_location);
    703         mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
    704 
    705         final View.OnClickListener alarmClickListener = new View.OnClickListener() {
    706             public void onClick(View v) {
    707                 startActivity(new Intent(DeskClock.this, AlarmClock.class));
    708             }
    709         };
    710 
    711         mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
    712         mNextAlarm.setOnClickListener(alarmClickListener);
    713 
    714         final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
    715         alarmButton.setOnClickListener(alarmClickListener);
    716 
    717         final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
    718         galleryButton.setOnClickListener(new View.OnClickListener() {
    719             public void onClick(View v) {
    720                 try {
    721                     startActivity(new Intent(
    722                         Intent.ACTION_VIEW,
    723                         android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
    724                             .putExtra("slideshow", true)
    725                             .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
    726                 } catch (android.content.ActivityNotFoundException e) {
    727                     Log.e(LOG_TAG, "Couldn't launch image browser", e);
    728                 }
    729             }
    730         });
    731 
    732         final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
    733         musicButton.setOnClickListener(new View.OnClickListener() {
    734             public void onClick(View v) {
    735                 try {
    736                     startActivity(new Intent(MediaStore.INTENT_ACTION_MUSIC_PLAYER)
    737                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
    738 
    739                 } catch (android.content.ActivityNotFoundException e) {
    740                     Log.e(LOG_TAG, "Couldn't launch music browser", e);
    741                 }
    742             }
    743         });
    744 
    745         final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
    746         homeButton.setOnClickListener(new View.OnClickListener() {
    747             public void onClick(View v) {
    748                 startActivity(
    749                     new Intent(Intent.ACTION_MAIN)
    750                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
    751                         .addCategory(Intent.CATEGORY_HOME));
    752             }
    753         });
    754 
    755         final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
    756         nightmodeButton.setOnClickListener(new View.OnClickListener() {
    757             public void onClick(View v) {
    758                 mDimmed = ! mDimmed;
    759                 doDim(true);
    760             }
    761         });
    762 
    763         nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
    764             public boolean onLongClick(View v) {
    765                 saveScreen();
    766                 return true;
    767             }
    768         });
    769 
    770         final View weatherView = findViewById(R.id.weather);
    771         weatherView.setOnClickListener(new View.OnClickListener() {
    772             public void onClick(View v) {
    773                 if (!supportsWeather()) return;
    774 
    775                 Intent genieAppQuery = getPackageManager()
    776                     .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
    777                     .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
    778                 if (genieAppQuery != null) {
    779                     startActivity(genieAppQuery);
    780                 }
    781             }
    782         });
    783 
    784         final View tintView = findViewById(R.id.window_tint);
    785         tintView.setOnTouchListener(new View.OnTouchListener() {
    786             public boolean onTouch(View v, MotionEvent event) {
    787                 if (mDimmed && event.getAction() == MotionEvent.ACTION_DOWN) {
    788                     // We want to un-dim the whole screen on tap.
    789                     // ...Unless the user is specifically tapping on the dim
    790                     // widget, in which case let it do the work.
    791                     Rect r = new Rect();
    792                     nightmodeButton.getHitRect(r);
    793                     int[] gloc = new int[2];
    794                     nightmodeButton.getLocationInWindow(gloc);
    795                     r.offsetTo(gloc[0], gloc[1]); // convert to window coords
    796 
    797                     if (!r.contains((int) event.getX(), (int) event.getY())) {
    798                         mDimmed = false;
    799                         doDim(true);
    800                     }
    801                 }
    802                 return false; // always pass the click through
    803             }
    804         });
    805 
    806         // Tidy up awkward focus behavior: the first view to be focused in
    807         // trackball mode should be the alarms button
    808         final ViewTreeObserver vto = alarmButton.getViewTreeObserver();
    809         vto.addOnGlobalFocusChangeListener(new ViewTreeObserver.OnGlobalFocusChangeListener() {
    810             public void onGlobalFocusChanged(View oldFocus, View newFocus) {
    811                 if (oldFocus == null && newFocus == nightmodeButton) {
    812                     alarmButton.requestFocus();
    813                 }
    814             }
    815         });
    816     }
    817 
    818     @Override
    819     public void onConfigurationChanged(Configuration newConfig) {
    820         super.onConfigurationChanged(newConfig);
    821         if (mScreenSaverMode) {
    822             moveScreenSaver();
    823         } else {
    824             initViews();
    825             doDim(false);
    826             refreshAll();
    827         }
    828     }
    829 
    830     @Override
    831     public boolean onOptionsItemSelected(MenuItem item) {
    832         switch (item.getItemId()) {
    833             case R.id.menu_item_alarms:
    834                 startActivity(new Intent(DeskClock.this, AlarmClock.class));
    835                 return true;
    836             case R.id.menu_item_add_alarm:
    837                 startActivity(new Intent(this, SetAlarm.class));
    838                 return true;
    839             case R.id.menu_item_dock_settings:
    840                 startActivity(new Intent(DOCK_SETTINGS_ACTION));
    841                 return true;
    842             default:
    843                 return false;
    844         }
    845     }
    846 
    847     @Override
    848     public boolean onCreateOptionsMenu(Menu menu) {
    849         MenuInflater inflater = getMenuInflater();
    850         inflater.inflate(R.menu.desk_clock_menu, menu);
    851         return true;
    852     }
    853 
    854     @Override
    855     protected void onCreate(Bundle icicle) {
    856         super.onCreate(icicle);
    857 
    858         mRNG = new Random();
    859 
    860         try {
    861             mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
    862         } catch (PackageManager.NameNotFoundException e) {
    863             // no weather info available
    864             Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
    865         }
    866 
    867         initViews();
    868     }
    869 
    870 }
    871