DeskClock.java revision 3a4bd4c68531b98db58626f60d0e9a7f5db54dc2 
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.Bundle;
42import android.os.Handler;
43import android.os.Message;
44import android.os.SystemClock;
45import android.os.PowerManager;
46import android.provider.Settings;
47import android.provider.MediaStore;
48import android.text.TextUtils;
49import android.text.format.DateFormat;
50import android.util.DisplayMetrics;
51import android.util.Log;
52import android.view.ContextMenu.ContextMenuInfo;
53import android.view.ContextMenu;
54import android.view.LayoutInflater;
55import android.view.Menu;
56import android.view.MenuInflater;
57import android.view.MenuItem;
58import android.view.MotionEvent;
59import android.view.View.OnClickListener;
60import android.view.View.OnCreateContextMenuListener;
61import android.view.View;
62import android.view.ViewGroup;
63import android.view.ViewTreeObserver;
64import android.view.ViewTreeObserver.OnGlobalFocusChangeListener;
65import android.view.Window;
66import android.view.WindowManager;
67import android.view.animation.Animation;
68import android.view.animation.AnimationUtils;
69import android.view.animation.TranslateAnimation;
70import android.widget.AbsoluteLayout;
71import android.widget.AdapterView.AdapterContextMenuInfo;
72import android.widget.AdapterView.OnItemClickListener;
73import android.widget.AdapterView;
74import android.widget.Button;
75import android.widget.CheckBox;
76import android.widget.ImageButton;
77import android.widget.ImageView;
78import android.widget.TextView;
79
80import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
81import static android.os.BatteryManager.BATTERY_STATUS_FULL;
82import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
83
84import java.io.IOException;
85import java.io.InputStream;
86import java.util.Calendar;
87import java.util.Date;
88import java.util.Locale;
89import java.util.Random;
90
91/**
92 * DeskClock clock view for desk docks.
93 */
94public class DeskClock extends Activity {
95    private static final boolean DEBUG = false;
96
97    private static final String LOG_TAG = "DeskClock";
98
99    // Alarm action for midnight (so we can update the date display).
100    private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
101
102    // Interval between forced polls of the weather widget.
103    private final long QUERY_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr
104
105    // Intent to broadcast for dock settings.
106    private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
107
108    // Delay before engaging the burn-in protection mode (green-on-black).
109    private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
110
111    // Repositioning delay in screen saver.
112    private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
113
114    // Color to use for text & graphics in screen saver mode.
115    private final int SCREEN_SAVER_COLOR = 0xFF308030;
116    private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
117
118    // Opacity of black layer between clock display and wallpaper.
119    private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
120    private final float DIM_BEHIND_AMOUNT_DIMMED = 0.8f; // higher contrast when display dimmed
121
122    // Internal message IDs.
123    private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
124    private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
125    private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
126    private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
127
128    // Weather widget query information.
129    private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
130    private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
131    private static final String WEATHER_CONTENT_PATH = "/weather/current";
132    private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
133            "location",
134            "timestamp",
135            "temperature",
136            "highTemperature",
137            "lowTemperature",
138            "iconUrl",
139            "iconResId",
140            "description",
141        };
142
143    private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
144
145    // State variables follow.
146    private DigitalClock mTime;
147    private TextView mDate;
148
149    private TextView mNextAlarm = null;
150    private TextView mBatteryDisplay;
151
152    private TextView mWeatherCurrentTemperature;
153    private TextView mWeatherHighTemperature;
154    private TextView mWeatherLowTemperature;
155    private TextView mWeatherLocation;
156    private ImageView mWeatherIcon;
157
158    private String mWeatherCurrentTemperatureString;
159    private String mWeatherHighTemperatureString;
160    private String mWeatherLowTemperatureString;
161    private String mWeatherLocationString;
162    private Drawable mWeatherIconDrawable;
163
164    private Resources mGenieResources = null;
165
166    private boolean mDimmed = false;
167    private boolean mScreenSaverMode = false;
168
169    private String mDateFormat;
170
171    private int mBatteryLevel = -1;
172    private boolean mPluggedIn = false;
173
174    private boolean mLaunchedFromDock = false;
175
176    private Random mRNG;
177
178    private PendingIntent mMidnightIntent;
179
180    private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
181        @Override
182        public void onReceive(Context context, Intent intent) {
183            final String action = intent.getAction();
184            if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
185            if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
186                refreshDate();
187            } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
188                handleBatteryUpdate(
189                    intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
190                    intent.getIntExtra("level", 0));
191            } else if (UiModeManager.ACTION_EXIT_DESK_MODE.equals(action)) {
192                if (mLaunchedFromDock) {
193                    // moveTaskToBack(false);
194                    finish();
195                }
196                mLaunchedFromDock = false;
197            }
198        }
199    };
200
201    private final Handler mHandy = new Handler() {
202        @Override
203        public void handleMessage(Message m) {
204            if (m.what == QUERY_WEATHER_DATA_MSG) {
205                new Thread() { public void run() { queryWeatherData(); } }.start();
206                scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
207            } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
208                updateWeatherDisplay();
209            } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
210                saveScreen();
211            } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
212                moveScreenSaver();
213            }
214        }
215    };
216
217    private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
218        @Override
219        public void onChange(boolean selfChange) {
220            if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
221            refreshWeather();
222        }
223    };
224
225
226    private void moveScreenSaver() {
227        moveScreenSaverTo(-1,-1);
228    }
229    private void moveScreenSaverTo(int x, int y) {
230        if (!mScreenSaverMode) return;
231
232        final View saver_view = findViewById(R.id.saver_view);
233
234        DisplayMetrics metrics = new DisplayMetrics();
235        getWindowManager().getDefaultDisplay().getMetrics(metrics);
236
237        if (x < 0 || y < 0) {
238            int myWidth = saver_view.getMeasuredWidth();
239            int myHeight = saver_view.getMeasuredHeight();
240            x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
241            y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
242        }
243
244        if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
245                System.currentTimeMillis(), x, y));
246
247        saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
248            ViewGroup.LayoutParams.WRAP_CONTENT,
249            ViewGroup.LayoutParams.WRAP_CONTENT,
250            x,
251            y));
252
253        // Synchronize our jumping so that it happens exactly on the second.
254        mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
255            SCREEN_SAVER_MOVE_DELAY +
256            (1000 - (System.currentTimeMillis() % 1000)));
257    }
258
259    private void setWakeLock(boolean hold) {
260        if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
261        Window win = getWindow();
262        WindowManager.LayoutParams winParams = win.getAttributes();
263        winParams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
264                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
265                | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
266                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
267        if (hold)
268            winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
269        else
270            winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
271        win.setAttributes(winParams);
272    }
273
274    private void scheduleScreenSaver() {
275        // reschedule screen saver
276        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
277        mHandy.sendMessageDelayed(
278            Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
279            SCREEN_SAVER_TIMEOUT);
280    }
281
282    private void restoreScreen() {
283        if (!mScreenSaverMode) return;
284        if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
285        mScreenSaverMode = false;
286        initViews();
287        doDim(false); // restores previous dim mode
288        // policy: update weather info when returning from screen saver
289        if (mPluggedIn) requestWeatherDataFetch();
290
291        scheduleScreenSaver();
292
293        refreshAll();
294    }
295
296    // Special screen-saver mode for OLED displays that burn in quickly
297    private void saveScreen() {
298        if (mScreenSaverMode) return;
299        if (DEBUG) Log.d(LOG_TAG, "saveScreen");
300
301        // quickly stash away the x/y of the current date
302        final View oldTimeDate = findViewById(R.id.time_date);
303        int oldLoc[] = new int[2];
304        oldTimeDate.getLocationOnScreen(oldLoc);
305
306        mScreenSaverMode = true;
307        Window win = getWindow();
308        WindowManager.LayoutParams winParams = win.getAttributes();
309        winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
310        win.setAttributes(winParams);
311
312        // give up any internal focus before we switch layouts
313        final View focused = getCurrentFocus();
314        if (focused != null) focused.clearFocus();
315
316        setContentView(R.layout.desk_clock_saver);
317
318        mTime = (DigitalClock) findViewById(R.id.time);
319        mDate = (TextView) findViewById(R.id.date);
320        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
321
322        final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
323
324        ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
325        ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
326        mDate.setTextColor(color);
327        mNextAlarm.setTextColor(color);
328        mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
329            getResources().getDrawable(mDimmed
330                ? R.drawable.ic_lock_idle_alarm_saver_dim
331                : R.drawable.ic_lock_idle_alarm_saver),
332            null, null, null);
333
334        mBatteryDisplay =
335        mWeatherCurrentTemperature =
336        mWeatherHighTemperature =
337        mWeatherLowTemperature =
338        mWeatherLocation = null;
339        mWeatherIcon = null;
340
341        refreshDate();
342        refreshAlarm();
343
344        moveScreenSaverTo(oldLoc[0], oldLoc[1]);
345    }
346
347    @Override
348    public void onUserInteraction() {
349        if (mScreenSaverMode)
350            restoreScreen();
351    }
352
353    // Tell the Genie widget to load new data from the network.
354    private void requestWeatherDataFetch() {
355        if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
356        sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
357        // we expect the result to show up in our content observer
358    }
359
360    private boolean supportsWeather() {
361        return (mGenieResources != null);
362    }
363
364    private void scheduleWeatherQueryDelayed(long delay) {
365        // cancel any existing scheduled queries
366        unscheduleWeatherQuery();
367
368        if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
369
370        mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
371    }
372
373    private void unscheduleWeatherQuery() {
374        mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
375    }
376
377    private void queryWeatherData() {
378        // if we couldn't load the weather widget's resources, we simply
379        // assume it's not present on the device.
380        if (mGenieResources == null) return;
381
382        Uri queryUri = new Uri.Builder()
383            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
384            .authority(WEATHER_CONTENT_AUTHORITY)
385            .path(WEATHER_CONTENT_PATH)
386            .appendPath(new Long(System.currentTimeMillis()).toString())
387            .build();
388
389        if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
390
391        Cursor cur;
392        try {
393            cur = getContentResolver().query(
394                queryUri,
395                WEATHER_CONTENT_COLUMNS,
396                null,
397                null,
398                null);
399        } catch (RuntimeException e) {
400            Log.e(LOG_TAG, "Weather query failed", e);
401            cur = null;
402        }
403
404        if (cur != null && cur.moveToFirst()) {
405            if (DEBUG) {
406                java.lang.StringBuilder sb =
407                    new java.lang.StringBuilder("Weather query result: {");
408                for(int i=0; i<cur.getColumnCount(); i++) {
409                    if (i>0) sb.append(", ");
410                    sb.append(cur.getColumnName(i))
411                        .append("=")
412                        .append(cur.getString(i));
413                }
414                sb.append("}");
415                Log.d(LOG_TAG, sb.toString());
416            }
417
418            mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
419                cur.getColumnIndexOrThrow("iconResId")));
420
421            mWeatherLocationString = cur.getString(
422                cur.getColumnIndexOrThrow("location"));
423
424            // any of these may be NULL
425            final int colTemp = cur.getColumnIndexOrThrow("temperature");
426            final int colHigh = cur.getColumnIndexOrThrow("highTemperature");
427            final int colLow = cur.getColumnIndexOrThrow("lowTemperature");
428
429            mWeatherCurrentTemperatureString =
430                cur.isNull(colTemp)
431                    ? "\u2014"
432                    : String.format("%d\u00b0", cur.getInt(colTemp));
433            mWeatherHighTemperatureString =
434                cur.isNull(colHigh)
435                    ? "\u2014"
436                    : String.format("%d\u00b0", cur.getInt(colHigh));
437            mWeatherLowTemperatureString =
438                cur.isNull(colLow)
439                    ? "\u2014"
440                    : String.format("%d\u00b0", cur.getInt(colLow));
441        } else {
442            Log.w(LOG_TAG, "No weather information available (cur="
443                + cur +")");
444            mWeatherIconDrawable = null;
445            mWeatherLocationString = getString(R.string.weather_fetch_failure);
446            mWeatherCurrentTemperatureString =
447                mWeatherHighTemperatureString =
448                mWeatherLowTemperatureString = "";
449        }
450
451        if (cur != null) {
452            // clean up cursor
453            cur.close();
454        }
455
456        mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
457    }
458
459    private void refreshWeather() {
460        if (supportsWeather())
461            scheduleWeatherQueryDelayed(0);
462        updateWeatherDisplay(); // in case we have it cached
463    }
464
465    private void updateWeatherDisplay() {
466        if (mWeatherCurrentTemperature == null) return;
467
468        mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
469        mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
470        mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
471        mWeatherLocation.setText(mWeatherLocationString);
472        mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
473    }
474
475    // Adapted from KeyguardUpdateMonitor.java
476    private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
477        final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
478        if (pluggedIn != mPluggedIn) {
479            setWakeLock(pluggedIn);
480
481            if (pluggedIn) {
482                // policy: update weather info when attaching to power
483                requestWeatherDataFetch();
484            }
485        }
486        if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
487            mBatteryLevel = batteryLevel;
488            mPluggedIn = pluggedIn;
489            refreshBattery();
490        }
491    }
492
493    private void refreshBattery() {
494        if (mBatteryDisplay == null) return;
495
496        if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
497            mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
498                0, 0, android.R.drawable.ic_lock_idle_charging, 0);
499            mBatteryDisplay.setText(
500                getString(R.string.battery_charging_level, mBatteryLevel));
501            mBatteryDisplay.setVisibility(View.VISIBLE);
502        } else {
503            mBatteryDisplay.setVisibility(View.INVISIBLE);
504        }
505    }
506
507    private void refreshDate() {
508        final Date now = new Date();
509        if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
510        mDate.setText(DateFormat.format(mDateFormat, now));
511    }
512
513    private void refreshAlarm() {
514        if (mNextAlarm == null) return;
515
516        String nextAlarm = Settings.System.getString(getContentResolver(),
517                Settings.System.NEXT_ALARM_FORMATTED);
518        if (!TextUtils.isEmpty(nextAlarm)) {
519            mNextAlarm.setText(nextAlarm);
520            //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
521            //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
522            mNextAlarm.setVisibility(View.VISIBLE);
523        } else {
524            mNextAlarm.setVisibility(View.INVISIBLE);
525        }
526    }
527
528    private void refreshAll() {
529        refreshDate();
530        refreshAlarm();
531        refreshBattery();
532        refreshWeather();
533    }
534
535    private void doDim(boolean fade) {
536        View tintView = findViewById(R.id.window_tint);
537        if (tintView == null) return;
538
539        Window win = getWindow();
540        WindowManager.LayoutParams winParams = win.getAttributes();
541
542        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
543        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
544
545        // dim the wallpaper somewhat (how much is determined below)
546        winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
547
548        if (mDimmed) {
549            winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
550            winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
551            winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_OFF;
552
553            // show the window tint
554            tintView.startAnimation(AnimationUtils.loadAnimation(this,
555                fade ? R.anim.dim
556                     : R.anim.dim_instant));
557        } else {
558            winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
559            winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
560            winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
561
562            // hide the window tint
563            tintView.startAnimation(AnimationUtils.loadAnimation(this,
564                fade ? R.anim.undim
565                     : R.anim.undim_instant));
566        }
567
568        win.setAttributes(winParams);
569    }
570
571    @Override
572    public void onNewIntent(Intent newIntent) {
573        super.onNewIntent(newIntent);
574        if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
575
576        // update our intent so that we can consult it to determine whether or
577        // not the most recent launch was via a dock event
578        setIntent(newIntent);
579    }
580
581    @Override
582    public void onStart() {
583        super.onStart();
584
585        IntentFilter filter = new IntentFilter();
586        filter.addAction(Intent.ACTION_DATE_CHANGED);
587        filter.addAction(Intent.ACTION_BATTERY_CHANGED);
588        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
589        filter.addAction(ACTION_MIDNIGHT);
590        registerReceiver(mIntentReceiver, filter);
591    }
592
593    @Override
594    public void onStop() {
595        super.onStop();
596
597        unregisterReceiver(mIntentReceiver);
598    }
599
600    @Override
601    public void onResume() {
602        super.onResume();
603        if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
604
605        // reload the date format in case the user has changed settings
606        // recently
607        mDateFormat = getString(R.string.full_wday_month_day_no_year);
608
609        // Listen for updates to weather data
610        Uri weatherNotificationUri = new Uri.Builder()
611            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
612            .authority(WEATHER_CONTENT_AUTHORITY)
613            .path(WEATHER_CONTENT_PATH)
614            .build();
615        getContentResolver().registerContentObserver(
616            weatherNotificationUri, true, mContentObserver);
617
618        // Elaborate mechanism to find out when the day rolls over
619        Calendar today = Calendar.getInstance();
620        today.set(Calendar.HOUR_OF_DAY, 0);
621        today.set(Calendar.MINUTE, 0);
622        today.set(Calendar.SECOND, 0);
623        today.add(Calendar.DATE, 1);
624        long alarmTimeUTC = today.getTimeInMillis();
625
626        mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
627        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
628        am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
629        if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at UTC: "
630            + alarmTimeUTC + " ("
631            + (alarmTimeUTC - System.currentTimeMillis())
632            + " ms from now) repeating every "
633            + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
634
635        // If we weren't previously visible but now we are, it's because we're
636        // being started from another activity. So it's OK to un-dim.
637        if (mTime != null && mTime.getWindowVisibility() != View.VISIBLE) {
638            mDimmed = false;
639        }
640
641        // Adjust the display to reflect the currently chosen dim mode.
642        doDim(false);
643
644        restoreScreen(); // disable screen saver
645        refreshAll(); // will schedule periodic weather fetch
646
647        setWakeLock(mPluggedIn);
648
649        scheduleScreenSaver();
650
651        final boolean launchedFromDock
652            = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
653
654        if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
655            // policy: fetch weather if launched via dock connection
656            if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
657            requestWeatherDataFetch();
658        }
659
660        mLaunchedFromDock = launchedFromDock;
661    }
662
663    @Override
664    public void onPause() {
665        if (DEBUG) Log.d(LOG_TAG, "onPause");
666
667        // Turn off the screen saver and cancel any pending timeouts.
668        // (But don't un-dim.)
669        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
670        restoreScreen();
671
672        // Other things we don't want to be doing in the background.
673        // NB: we need to keep our broadcast receiver alive in case the dock
674        // is disconnected while the screen is off
675        getContentResolver().unregisterContentObserver(mContentObserver);
676
677        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
678        am.cancel(mMidnightIntent);
679        unscheduleWeatherQuery();
680
681        super.onPause();
682    }
683
684    private void initViews() {
685        // give up any internal focus before we switch layouts
686        final View focused = getCurrentFocus();
687        if (focused != null) focused.clearFocus();
688
689        setContentView(R.layout.desk_clock);
690
691        mTime = (DigitalClock) findViewById(R.id.time);
692        mDate = (TextView) findViewById(R.id.date);
693        mBatteryDisplay = (TextView) findViewById(R.id.battery);
694
695        mTime.getRootView().requestFocus();
696
697        mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
698        mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
699        mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
700        mWeatherLocation = (TextView) findViewById(R.id.weather_location);
701        mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
702
703        final View.OnClickListener alarmClickListener = new View.OnClickListener() {
704            public void onClick(View v) {
705                startActivity(new Intent(DeskClock.this, AlarmClock.class));
706            }
707        };
708
709        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
710        mNextAlarm.setOnClickListener(alarmClickListener);
711
712        final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
713        alarmButton.setOnClickListener(alarmClickListener);
714
715        final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
716        galleryButton.setOnClickListener(new View.OnClickListener() {
717            public void onClick(View v) {
718                try {
719                    startActivity(new Intent(
720                        Intent.ACTION_VIEW,
721                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
722                            .putExtra("slideshow", true)
723                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
724                } catch (android.content.ActivityNotFoundException e) {
725                    Log.e(LOG_TAG, "Couldn't launch image browser", e);
726                }
727            }
728        });
729
730        final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
731        musicButton.setOnClickListener(new View.OnClickListener() {
732            public void onClick(View v) {
733                try {
734                    startActivity(new Intent(MediaStore.INTENT_ACTION_MUSIC_PLAYER)
735                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
736
737                } catch (android.content.ActivityNotFoundException e) {
738                    Log.e(LOG_TAG, "Couldn't launch music browser", e);
739                }
740            }
741        });
742
743        final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
744        homeButton.setOnClickListener(new View.OnClickListener() {
745            public void onClick(View v) {
746                startActivity(
747                    new Intent(Intent.ACTION_MAIN)
748                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
749                        .addCategory(Intent.CATEGORY_HOME));
750            }
751        });
752
753        final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
754        nightmodeButton.setOnClickListener(new View.OnClickListener() {
755            public void onClick(View v) {
756                mDimmed = ! mDimmed;
757                doDim(true);
758            }
759        });
760
761        nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
762            public boolean onLongClick(View v) {
763                saveScreen();
764                return true;
765            }
766        });
767
768        final View weatherView = findViewById(R.id.weather);
769        weatherView.setOnClickListener(new View.OnClickListener() {
770            public void onClick(View v) {
771                if (!supportsWeather()) return;
772
773                Intent genieAppQuery = getPackageManager()
774                    .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
775                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
776                if (genieAppQuery != null) {
777                    startActivity(genieAppQuery);
778                }
779            }
780        });
781
782        final View tintView = findViewById(R.id.window_tint);
783        tintView.setOnTouchListener(new View.OnTouchListener() {
784            public boolean onTouch(View v, MotionEvent event) {
785                if (mDimmed && event.getAction() == MotionEvent.ACTION_DOWN) {
786                    // We want to un-dim the whole screen on tap.
787                    // ...Unless the user is specifically tapping on the dim
788                    // widget, in which case let it do the work.
789                    Rect r = new Rect();
790                    nightmodeButton.getHitRect(r);
791                    int[] gloc = new int[2];
792                    nightmodeButton.getLocationInWindow(gloc);
793                    r.offsetTo(gloc[0], gloc[1]); // convert to window coords
794
795                    if (!r.contains((int) event.getX(), (int) event.getY())) {
796                        mDimmed = false;
797                        doDim(true);
798                    }
799                }
800                return false; // always pass the click through
801            }
802        });
803
804        // Tidy up awkward focus behavior: the first view to be focused in
805        // trackball mode should be the alarms button
806        final ViewTreeObserver vto = alarmButton.getViewTreeObserver();
807        vto.addOnGlobalFocusChangeListener(new ViewTreeObserver.OnGlobalFocusChangeListener() {
808            public void onGlobalFocusChanged(View oldFocus, View newFocus) {
809                if (oldFocus == null && newFocus == nightmodeButton) {
810                    alarmButton.requestFocus();
811                }
812            }
813        });
814    }
815
816    @Override
817    public void onConfigurationChanged(Configuration newConfig) {
818        super.onConfigurationChanged(newConfig);
819        if (mScreenSaverMode) {
820            moveScreenSaver();
821        } else {
822            initViews();
823            doDim(false);
824            refreshAll();
825        }
826    }
827
828    @Override
829    public boolean onOptionsItemSelected(MenuItem item) {
830        switch (item.getItemId()) {
831            case R.id.menu_item_alarms:
832                startActivity(new Intent(DeskClock.this, AlarmClock.class));
833                return true;
834            case R.id.menu_item_add_alarm:
835                startActivity(new Intent(this, SetAlarm.class));
836                return true;
837            case R.id.menu_item_dock_settings:
838                startActivity(new Intent(DOCK_SETTINGS_ACTION));
839                return true;
840            default:
841                return false;
842        }
843    }
844
845    @Override
846    public boolean onCreateOptionsMenu(Menu menu) {
847        MenuInflater inflater = getMenuInflater();
848        inflater.inflate(R.menu.desk_clock_menu, menu);
849        return true;
850    }
851
852    @Override
853    protected void onCreate(Bundle icicle) {
854        super.onCreate(icicle);
855
856        mRNG = new Random();
857
858        try {
859            mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
860        } catch (PackageManager.NameNotFoundException e) {
861            // no weather info available
862            Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
863        }
864
865        initViews();
866    }
867
868}
869