DeskClock.java revision 9654c843a0b41beb94a5dc8151ab5aef8d262b3d 
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.DialogInterface;
27import android.content.Intent;
28import android.content.IntentFilter;
29import android.content.SharedPreferences;
30import android.content.pm.PackageManager;
31import android.content.res.Configuration;
32import android.content.res.Resources;
33import android.database.ContentObserver;
34import android.database.Cursor;
35import android.graphics.Rect;
36import android.graphics.drawable.BitmapDrawable;
37import android.graphics.drawable.ColorDrawable;
38import android.graphics.drawable.Drawable;
39import android.net.Uri;
40import android.os.Bundle;
41import android.os.Handler;
42import android.os.Message;
43import android.os.SystemClock;
44import android.os.PowerManager;
45import android.provider.Settings;
46import android.provider.MediaStore;
47import android.text.TextUtils;
48import android.text.format.DateFormat;
49import android.util.DisplayMetrics;
50import android.util.Log;
51import android.view.ContextMenu.ContextMenuInfo;
52import android.view.ContextMenu;
53import android.view.LayoutInflater;
54import android.view.Menu;
55import android.view.MenuInflater;
56import android.view.MenuItem;
57import android.view.MotionEvent;
58import android.view.View.OnClickListener;
59import android.view.View.OnCreateContextMenuListener;
60import android.view.View;
61import android.view.ViewGroup;
62import android.view.ViewTreeObserver;
63import android.view.ViewTreeObserver.OnGlobalFocusChangeListener;
64import android.view.Window;
65import android.view.WindowManager;
66import android.view.animation.Animation;
67import android.view.animation.AnimationUtils;
68import android.view.animation.TranslateAnimation;
69import android.widget.AbsoluteLayout;
70import android.widget.AdapterView.AdapterContextMenuInfo;
71import android.widget.AdapterView.OnItemClickListener;
72import android.widget.AdapterView;
73import android.widget.Button;
74import android.widget.CheckBox;
75import android.widget.ImageButton;
76import android.widget.ImageView;
77import android.widget.TextView;
78
79import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
80import static android.os.BatteryManager.BATTERY_STATUS_FULL;
81import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
82
83import java.io.IOException;
84import java.io.InputStream;
85import java.util.Calendar;
86import java.util.Date;
87import java.util.Locale;
88import java.util.Random;
89
90/**
91 * DeskClock clock view for desk docks.
92 */
93public class DeskClock extends Activity {
94    private static final boolean DEBUG = false;
95
96    private static final String LOG_TAG = "DeskClock";
97
98    // Alarm action for midnight (so we can update the date display).
99    private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
100
101    // Interval between forced polls of the weather widget.
102    private final long QUERY_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr
103
104    // Intent to broadcast for dock settings.
105    private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
106
107    // Delay before engaging the burn-in protection mode (green-on-black).
108    private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
109
110    // Repositioning delay in screen saver.
111    private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
112
113    // Color to use for text & graphics in screen saver mode.
114    private final int SCREEN_SAVER_COLOR = 0xFF308030;
115    private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
116
117    // Opacity of black layer between clock display and wallpaper.
118    private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
119    private final float DIM_BEHIND_AMOUNT_DIMMED = 0.8f; // higher contrast when display dimmed
120
121    // Internal message IDs.
122    private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
123    private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
124    private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
125    private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
126
127    // Weather widget query information.
128    private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
129    private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
130    private static final String WEATHER_CONTENT_PATH = "/weather/current";
131    private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
132            "location",
133            "timestamp",
134            "temperature",
135            "highTemperature",
136            "lowTemperature",
137            "iconUrl",
138            "iconResId",
139            "description",
140        };
141
142    private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
143
144    // State variables follow.
145    private DigitalClock mTime;
146    private TextView mDate;
147
148    private TextView mNextAlarm = null;
149    private TextView mBatteryDisplay;
150
151    private TextView mWeatherCurrentTemperature;
152    private TextView mWeatherHighTemperature;
153    private TextView mWeatherLowTemperature;
154    private TextView mWeatherLocation;
155    private ImageView mWeatherIcon;
156
157    private String mWeatherCurrentTemperatureString;
158    private String mWeatherHighTemperatureString;
159    private String mWeatherLowTemperatureString;
160    private String mWeatherLocationString;
161    private Drawable mWeatherIconDrawable;
162
163    private Resources mGenieResources = null;
164
165    private boolean mDimmed = false;
166    private boolean mScreenSaverMode = false;
167
168    private String mDateFormat;
169
170    private int mBatteryLevel = -1;
171    private boolean mPluggedIn = false;
172
173    private boolean mLaunchedFromDock = false;
174
175    private Random mRNG;
176
177    private PendingIntent mMidnightIntent;
178
179    private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
180        @Override
181        public void onReceive(Context context, Intent intent) {
182            final String action = intent.getAction();
183            if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
184            if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
185                refreshDate();
186            } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
187                handleBatteryUpdate(
188                    intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
189                    intent.getIntExtra("level", 0));
190            } else if (UiModeManager.ACTION_EXIT_DESK_MODE.equals(action)) {
191                if (mLaunchedFromDock) {
192                    // moveTaskToBack(false);
193                    finish();
194                }
195                mLaunchedFromDock = false;
196            }
197        }
198    };
199
200    private final Handler mHandy = new Handler() {
201        @Override
202        public void handleMessage(Message m) {
203            if (m.what == QUERY_WEATHER_DATA_MSG) {
204                new Thread() { public void run() { queryWeatherData(); } }.start();
205                scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
206            } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
207                updateWeatherDisplay();
208            } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
209                saveScreen();
210            } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
211                moveScreenSaver();
212            }
213        }
214    };
215
216    private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
217        @Override
218        public void onChange(boolean selfChange) {
219            if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
220            refreshWeather();
221        }
222    };
223
224
225    private void moveScreenSaver() {
226        moveScreenSaverTo(-1,-1);
227    }
228    private void moveScreenSaverTo(int x, int y) {
229        if (!mScreenSaverMode) return;
230
231        final View saver_view = findViewById(R.id.saver_view);
232
233        DisplayMetrics metrics = new DisplayMetrics();
234        getWindowManager().getDefaultDisplay().getMetrics(metrics);
235
236        if (x < 0 || y < 0) {
237            int myWidth = saver_view.getMeasuredWidth();
238            int myHeight = saver_view.getMeasuredHeight();
239            x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
240            y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
241        }
242
243        if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
244                System.currentTimeMillis(), x, y));
245
246        saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
247            ViewGroup.LayoutParams.WRAP_CONTENT,
248            ViewGroup.LayoutParams.WRAP_CONTENT,
249            x,
250            y));
251
252        // Synchronize our jumping so that it happens exactly on the second.
253        mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
254            SCREEN_SAVER_MOVE_DELAY +
255            (1000 - (System.currentTimeMillis() % 1000)));
256    }
257
258    private void setWakeLock(boolean hold) {
259        if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
260        Window win = getWindow();
261        WindowManager.LayoutParams winParams = win.getAttributes();
262        winParams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
263                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
264                | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
265                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
266        if (hold)
267            winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
268        else
269            winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
270        win.setAttributes(winParams);
271    }
272
273    private void scheduleScreenSaver() {
274        // reschedule screen saver
275        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
276        mHandy.sendMessageDelayed(
277            Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
278            SCREEN_SAVER_TIMEOUT);
279    }
280
281    private void restoreScreen() {
282        if (!mScreenSaverMode) return;
283        if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
284        mScreenSaverMode = false;
285        initViews();
286        doDim(false); // restores previous dim mode
287        // policy: update weather info when returning from screen saver
288        if (mPluggedIn) requestWeatherDataFetch();
289
290        scheduleScreenSaver();
291
292        refreshAll();
293    }
294
295    // Special screen-saver mode for OLED displays that burn in quickly
296    private void saveScreen() {
297        if (mScreenSaverMode) return;
298        if (DEBUG) Log.d(LOG_TAG, "saveScreen");
299
300        // quickly stash away the x/y of the current date
301        final View oldTimeDate = findViewById(R.id.time_date);
302        int oldLoc[] = new int[2];
303        oldTimeDate.getLocationOnScreen(oldLoc);
304
305        mScreenSaverMode = true;
306        Window win = getWindow();
307        WindowManager.LayoutParams winParams = win.getAttributes();
308        winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
309        win.setAttributes(winParams);
310
311        // give up any internal focus before we switch layouts
312        final View focused = getCurrentFocus();
313        if (focused != null) focused.clearFocus();
314
315        setContentView(R.layout.desk_clock_saver);
316
317        mTime = (DigitalClock) findViewById(R.id.time);
318        mDate = (TextView) findViewById(R.id.date);
319        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
320
321        final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
322
323        ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
324        ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
325        mDate.setTextColor(color);
326        mNextAlarm.setTextColor(color);
327        mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
328            getResources().getDrawable(mDimmed
329                ? R.drawable.ic_lock_idle_alarm_saver_dim
330                : R.drawable.ic_lock_idle_alarm_saver),
331            null, null, null);
332
333        mBatteryDisplay =
334        mWeatherCurrentTemperature =
335        mWeatherHighTemperature =
336        mWeatherLowTemperature =
337        mWeatherLocation = null;
338        mWeatherIcon = null;
339
340        refreshDate();
341        refreshAlarm();
342
343        moveScreenSaverTo(oldLoc[0], oldLoc[1]);
344    }
345
346    @Override
347    public void onUserInteraction() {
348        if (mScreenSaverMode)
349            restoreScreen();
350    }
351
352    // Tell the Genie widget to load new data from the network.
353    private void requestWeatherDataFetch() {
354        if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
355        sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
356        // we expect the result to show up in our content observer
357    }
358
359    private boolean supportsWeather() {
360        return (mGenieResources != null);
361    }
362
363    private void scheduleWeatherQueryDelayed(long delay) {
364        // cancel any existing scheduled queries
365        unscheduleWeatherQuery();
366
367        if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
368
369        mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
370    }
371
372    private void unscheduleWeatherQuery() {
373        mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
374    }
375
376    private void queryWeatherData() {
377        // if we couldn't load the weather widget's resources, we simply
378        // assume it's not present on the device.
379        if (mGenieResources == null) return;
380
381        Uri queryUri = new Uri.Builder()
382            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
383            .authority(WEATHER_CONTENT_AUTHORITY)
384            .path(WEATHER_CONTENT_PATH)
385            .appendPath(new Long(System.currentTimeMillis()).toString())
386            .build();
387
388        if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
389
390        Cursor cur;
391        try {
392            cur = managedQuery(
393                queryUri,
394                WEATHER_CONTENT_COLUMNS,
395                null,
396                null,
397                null);
398        } catch (RuntimeException e) {
399            Log.e(LOG_TAG, "Weather query failed", e);
400            cur = null;
401        }
402
403        if (cur != null && cur.moveToFirst()) {
404            if (DEBUG) {
405                java.lang.StringBuilder sb =
406                    new java.lang.StringBuilder("Weather query result: {");
407                for(int i=0; i<cur.getColumnCount(); i++) {
408                    if (i>0) sb.append(", ");
409                    sb.append(cur.getColumnName(i))
410                        .append("=")
411                        .append(cur.getString(i));
412                }
413                sb.append("}");
414                Log.d(LOG_TAG, sb.toString());
415            }
416
417            mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
418                cur.getColumnIndexOrThrow("iconResId")));
419
420            mWeatherLocationString = cur.getString(
421                cur.getColumnIndexOrThrow("location"));
422
423            // any of these may be NULL
424            final int colTemp = cur.getColumnIndexOrThrow("temperature");
425            final int colHigh = cur.getColumnIndexOrThrow("highTemperature");
426            final int colLow = cur.getColumnIndexOrThrow("lowTemperature");
427
428            mWeatherCurrentTemperatureString =
429                cur.isNull(colTemp)
430                    ? "\u2014"
431                    : String.format("%d\u00b0", cur.getInt(colTemp));
432            mWeatherHighTemperatureString =
433                cur.isNull(colHigh)
434                    ? "\u2014"
435                    : String.format("%d\u00b0", cur.getInt(colHigh));
436            mWeatherLowTemperatureString =
437                cur.isNull(colLow)
438                    ? "\u2014"
439                    : String.format("%d\u00b0", cur.getInt(colLow));
440        } else {
441            Log.w(LOG_TAG, "No weather information available (cur="
442                + cur +")");
443            mWeatherIconDrawable = null;
444            mWeatherLocationString = getString(R.string.weather_fetch_failure);
445            mWeatherCurrentTemperatureString =
446                mWeatherHighTemperatureString =
447                mWeatherLowTemperatureString = "";
448        }
449
450        mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
451    }
452
453    private void refreshWeather() {
454        if (supportsWeather())
455            scheduleWeatherQueryDelayed(0);
456        updateWeatherDisplay(); // in case we have it cached
457    }
458
459    private void updateWeatherDisplay() {
460        if (mWeatherCurrentTemperature == null) return;
461
462        mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
463        mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
464        mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
465        mWeatherLocation.setText(mWeatherLocationString);
466        mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
467    }
468
469    // Adapted from KeyguardUpdateMonitor.java
470    private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
471        final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
472        if (pluggedIn != mPluggedIn) {
473            setWakeLock(pluggedIn);
474
475            if (pluggedIn) {
476                // policy: update weather info when attaching to power
477                requestWeatherDataFetch();
478            }
479        }
480        if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
481            mBatteryLevel = batteryLevel;
482            mPluggedIn = pluggedIn;
483            refreshBattery();
484        }
485    }
486
487    private void refreshBattery() {
488        if (mBatteryDisplay == null) return;
489
490        if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
491            mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
492                0, 0, android.R.drawable.ic_lock_idle_charging, 0);
493            mBatteryDisplay.setText(
494                getString(R.string.battery_charging_level, mBatteryLevel));
495            mBatteryDisplay.setVisibility(View.VISIBLE);
496        } else {
497            mBatteryDisplay.setVisibility(View.INVISIBLE);
498        }
499    }
500
501    private void refreshDate() {
502        final Date now = new Date();
503        if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
504        mDate.setText(DateFormat.format(mDateFormat, now));
505    }
506
507    private void refreshAlarm() {
508        if (mNextAlarm == null) return;
509
510        String nextAlarm = Settings.System.getString(getContentResolver(),
511                Settings.System.NEXT_ALARM_FORMATTED);
512        if (!TextUtils.isEmpty(nextAlarm)) {
513            mNextAlarm.setText(nextAlarm);
514            //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
515            //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
516            mNextAlarm.setVisibility(View.VISIBLE);
517        } else {
518            mNextAlarm.setVisibility(View.INVISIBLE);
519        }
520    }
521
522    private void refreshAll() {
523        refreshDate();
524        refreshAlarm();
525        refreshBattery();
526        refreshWeather();
527    }
528
529    private void doDim(boolean fade) {
530        View tintView = findViewById(R.id.window_tint);
531        if (tintView == null) return;
532
533        Window win = getWindow();
534        WindowManager.LayoutParams winParams = win.getAttributes();
535
536        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
537        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
538
539        // dim the wallpaper somewhat (how much is determined below)
540        winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
541
542        if (mDimmed) {
543            winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
544            winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
545            winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_OFF;
546
547            // show the window tint
548            tintView.startAnimation(AnimationUtils.loadAnimation(this,
549                fade ? R.anim.dim
550                     : R.anim.dim_instant));
551        } else {
552            winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
553            winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
554            winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
555
556            // hide the window tint
557            tintView.startAnimation(AnimationUtils.loadAnimation(this,
558                fade ? R.anim.undim
559                     : R.anim.undim_instant));
560        }
561
562        win.setAttributes(winParams);
563    }
564
565    @Override
566    public void onNewIntent(Intent newIntent) {
567        super.onNewIntent(newIntent);
568        if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
569
570        // update our intent so that we can consult it to determine whether or
571        // not the most recent launch was via a dock event
572        setIntent(newIntent);
573    }
574
575    @Override
576    public void onStart() {
577        super.onStart();
578
579        IntentFilter filter = new IntentFilter();
580        filter.addAction(Intent.ACTION_DATE_CHANGED);
581        filter.addAction(Intent.ACTION_BATTERY_CHANGED);
582        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
583        filter.addAction(ACTION_MIDNIGHT);
584        registerReceiver(mIntentReceiver, filter);
585    }
586
587    @Override
588    public void onStop() {
589        super.onStop();
590
591        unregisterReceiver(mIntentReceiver);
592    }
593
594    @Override
595    public void onResume() {
596        super.onResume();
597        if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
598
599        // reload the date format in case the user has changed settings
600        // recently
601        mDateFormat = getString(R.string.full_wday_month_day_no_year);
602
603        // Listen for updates to weather data
604        Uri weatherNotificationUri = new Uri.Builder()
605            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
606            .authority(WEATHER_CONTENT_AUTHORITY)
607            .path(WEATHER_CONTENT_PATH)
608            .build();
609        getContentResolver().registerContentObserver(
610            weatherNotificationUri, true, mContentObserver);
611
612        // Elaborate mechanism to find out when the day rolls over
613        Calendar today = Calendar.getInstance();
614        today.set(Calendar.HOUR_OF_DAY, 0);
615        today.set(Calendar.MINUTE, 0);
616        today.set(Calendar.SECOND, 0);
617        today.add(Calendar.DATE, 1);
618        long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
619        mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
620        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
621        am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
622        if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
623            + alarmTimeUTC + " repeating every "
624            + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
625
626        // If we weren't previously visible but now we are, it's because we're
627        // being started from another activity. So it's OK to un-dim.
628        if (mTime != null && mTime.getWindowVisibility() != View.VISIBLE) {
629            mDimmed = false;
630        }
631
632        // Adjust the display to reflect the currently chosen dim mode.
633        doDim(false);
634
635        restoreScreen(); // disable screen saver
636        refreshAll(); // will schedule periodic weather fetch
637
638        setWakeLock(mPluggedIn);
639
640        scheduleScreenSaver();
641
642        final boolean launchedFromDock
643            = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
644
645        if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
646            // policy: fetch weather if launched via dock connection
647            if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
648            requestWeatherDataFetch();
649        }
650
651        mLaunchedFromDock = launchedFromDock;
652    }
653
654    @Override
655    public void onPause() {
656        if (DEBUG) Log.d(LOG_TAG, "onPause");
657
658        // Turn off the screen saver and cancel any pending timeouts.
659        // (But don't un-dim.)
660        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
661        restoreScreen();
662
663        // Other things we don't want to be doing in the background.
664        // NB: we need to keep our broadcast receiver alive in case the dock
665        // is disconnected while the screen is off
666        getContentResolver().unregisterContentObserver(mContentObserver);
667
668        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
669        am.cancel(mMidnightIntent);
670        unscheduleWeatherQuery();
671
672        super.onPause();
673    }
674
675    private void initViews() {
676        // give up any internal focus before we switch layouts
677        final View focused = getCurrentFocus();
678        if (focused != null) focused.clearFocus();
679
680        setContentView(R.layout.desk_clock);
681
682        mTime = (DigitalClock) findViewById(R.id.time);
683        mDate = (TextView) findViewById(R.id.date);
684        mBatteryDisplay = (TextView) findViewById(R.id.battery);
685
686        mTime.getRootView().requestFocus();
687
688        mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
689        mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
690        mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
691        mWeatherLocation = (TextView) findViewById(R.id.weather_location);
692        mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
693
694        final View.OnClickListener alarmClickListener = new View.OnClickListener() {
695            public void onClick(View v) {
696                startActivity(new Intent(DeskClock.this, AlarmClock.class));
697            }
698        };
699
700        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
701        mNextAlarm.setOnClickListener(alarmClickListener);
702
703        final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
704        alarmButton.setOnClickListener(alarmClickListener);
705
706        final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
707        galleryButton.setOnClickListener(new View.OnClickListener() {
708            public void onClick(View v) {
709                try {
710                    startActivity(new Intent(
711                        Intent.ACTION_VIEW,
712                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
713                            .putExtra("slideshow", true)
714                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
715                } catch (android.content.ActivityNotFoundException e) {
716                    Log.e(LOG_TAG, "Couldn't launch image browser", e);
717                }
718            }
719        });
720
721        final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
722        musicButton.setOnClickListener(new View.OnClickListener() {
723            public void onClick(View v) {
724                try {
725                    startActivity(new Intent(MediaStore.INTENT_ACTION_MUSIC_PLAYER)
726                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
727
728                } catch (android.content.ActivityNotFoundException e) {
729                    Log.e(LOG_TAG, "Couldn't launch music browser", e);
730                }
731            }
732        });
733
734        final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
735        homeButton.setOnClickListener(new View.OnClickListener() {
736            public void onClick(View v) {
737                startActivity(
738                    new Intent(Intent.ACTION_MAIN)
739                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
740                        .addCategory(Intent.CATEGORY_HOME));
741            }
742        });
743
744        final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
745        nightmodeButton.setOnClickListener(new View.OnClickListener() {
746            public void onClick(View v) {
747                mDimmed = ! mDimmed;
748                doDim(true);
749            }
750        });
751
752        nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
753            public boolean onLongClick(View v) {
754                saveScreen();
755                return true;
756            }
757        });
758
759        final View weatherView = findViewById(R.id.weather);
760        weatherView.setOnClickListener(new View.OnClickListener() {
761            public void onClick(View v) {
762                if (!supportsWeather()) return;
763
764                Intent genieAppQuery = getPackageManager()
765                    .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
766                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
767                if (genieAppQuery != null) {
768                    startActivity(genieAppQuery);
769                }
770            }
771        });
772
773        final View tintView = findViewById(R.id.window_tint);
774        tintView.setOnTouchListener(new View.OnTouchListener() {
775            public boolean onTouch(View v, MotionEvent event) {
776                if (mDimmed && event.getAction() == MotionEvent.ACTION_DOWN) {
777                    // We want to un-dim the whole screen on tap.
778                    // ...Unless the user is specifically tapping on the dim
779                    // widget, in which case let it do the work.
780                    Rect r = new Rect();
781                    nightmodeButton.getHitRect(r);
782                    int[] gloc = new int[2];
783                    nightmodeButton.getLocationInWindow(gloc);
784                    r.offsetTo(gloc[0], gloc[1]); // convert to window coords
785
786                    if (!r.contains((int) event.getX(), (int) event.getY())) {
787                        mDimmed = false;
788                        doDim(true);
789                    }
790                }
791                return false; // always pass the click through
792            }
793        });
794
795        // Tidy up awkward focus behavior: the first view to be focused in
796        // trackball mode should be the alarms button
797        final ViewTreeObserver vto = alarmButton.getViewTreeObserver();
798        vto.addOnGlobalFocusChangeListener(new ViewTreeObserver.OnGlobalFocusChangeListener() {
799            public void onGlobalFocusChanged(View oldFocus, View newFocus) {
800                if (oldFocus == null && newFocus == nightmodeButton) {
801                    alarmButton.requestFocus();
802                }
803            }
804        });
805    }
806
807    @Override
808    public void onConfigurationChanged(Configuration newConfig) {
809        super.onConfigurationChanged(newConfig);
810        if (mScreenSaverMode) {
811            moveScreenSaver();
812        } else {
813            initViews();
814            doDim(false);
815            refreshAll();
816        }
817    }
818
819    @Override
820    public boolean onOptionsItemSelected(MenuItem item) {
821        switch (item.getItemId()) {
822            case R.id.menu_item_alarms:
823                startActivity(new Intent(DeskClock.this, AlarmClock.class));
824                return true;
825            case R.id.menu_item_add_alarm:
826                startActivity(new Intent(this, SetAlarm.class));
827                return true;
828            case R.id.menu_item_dock_settings:
829                startActivity(new Intent(DOCK_SETTINGS_ACTION));
830                return true;
831            default:
832                return false;
833        }
834    }
835
836    @Override
837    public boolean onCreateOptionsMenu(Menu menu) {
838        MenuInflater inflater = getMenuInflater();
839        inflater.inflate(R.menu.desk_clock_menu, menu);
840        return true;
841    }
842
843    @Override
844    protected void onCreate(Bundle icicle) {
845        super.onCreate(icicle);
846
847        mRNG = new Random();
848
849        try {
850            mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
851        } catch (PackageManager.NameNotFoundException e) {
852            // no weather info available
853            Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
854        }
855
856        initViews();
857    }
858
859}
860