DeskClock.java revision 3b2b8e183116d4a66acf0ed1c7db917950dc36bc 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.deskclock;
18
19import android.app.Activity;
20import android.app.AlarmManager;
21import android.app.AlertDialog;
22import android.app.PendingIntent;
23import android.app.UiModeManager;
24import android.content.BroadcastReceiver;
25import android.content.Context;
26import android.content.ContentResolver;
27import android.content.DialogInterface;
28import android.content.Intent;
29import android.content.IntentFilter;
30import android.content.SharedPreferences;
31import android.content.pm.PackageManager;
32import android.content.res.Configuration;
33import android.content.res.Resources;
34import android.database.ContentObserver;
35import android.database.Cursor;
36import android.graphics.Rect;
37import android.graphics.drawable.BitmapDrawable;
38import android.graphics.drawable.ColorDrawable;
39import android.graphics.drawable.Drawable;
40import android.net.Uri;
41import android.os.BatteryManager;
42import android.os.Bundle;
43import android.os.Handler;
44import android.os.Message;
45import android.os.SystemClock;
46import android.os.PowerManager;
47import android.provider.Settings;
48import android.provider.MediaStore;
49import android.text.TextUtils;
50import android.text.format.DateFormat;
51import android.util.DisplayMetrics;
52import android.util.Log;
53import android.view.ContextMenu.ContextMenuInfo;
54import android.view.ContextMenu;
55import android.view.LayoutInflater;
56import android.view.Menu;
57import android.view.MenuInflater;
58import android.view.MenuItem;
59import android.view.MotionEvent;
60import android.view.View.OnClickListener;
61import android.view.View.OnCreateContextMenuListener;
62import android.view.View;
63import android.view.ViewGroup;
64import android.view.ViewTreeObserver;
65import android.view.ViewTreeObserver.OnGlobalFocusChangeListener;
66import android.view.Window;
67import android.view.WindowManager;
68import android.view.animation.Animation;
69import android.view.animation.AnimationUtils;
70import android.view.animation.TranslateAnimation;
71import android.widget.AbsoluteLayout;
72import android.widget.AdapterView.AdapterContextMenuInfo;
73import android.widget.AdapterView.OnItemClickListener;
74import android.widget.AdapterView;
75import android.widget.Button;
76import android.widget.CheckBox;
77import android.widget.ImageButton;
78import android.widget.ImageView;
79import android.widget.TextView;
80
81import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
82import static android.os.BatteryManager.BATTERY_STATUS_FULL;
83import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
84
85import java.io.IOException;
86import java.io.InputStream;
87import java.util.Calendar;
88import java.util.Date;
89import java.util.Locale;
90import java.util.Random;
91
92/**
93 * DeskClock clock view for desk docks.
94 */
95public 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