DeskClock.java revision 9fa4cc96ece43fdc6873fdafb8c8f6b3ea0cc1fd 
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.content.BroadcastReceiver;
24import android.content.Context;
25import android.content.DialogInterface;
26import android.content.Intent;
27import android.content.IntentFilter;
28import android.content.SharedPreferences;
29import android.content.pm.PackageManager;
30import android.content.res.Configuration;
31import android.content.res.Resources;
32import android.database.Cursor;
33import android.graphics.drawable.BitmapDrawable;
34import android.graphics.drawable.ColorDrawable;
35import android.graphics.drawable.Drawable;
36import android.net.Uri;
37import android.os.Bundle;
38import android.os.Handler;
39import android.os.Message;
40import android.os.SystemClock;
41import android.os.PowerManager;
42import android.provider.Settings;
43import android.text.TextUtils;
44import android.text.format.DateFormat;
45import android.util.DisplayMetrics;
46import android.util.Log;
47import android.view.ContextMenu.ContextMenuInfo;
48import android.view.ContextMenu;
49import android.view.LayoutInflater;
50import android.view.Menu;
51import android.view.MenuInflater;
52import android.view.MenuItem;
53import android.view.View.OnClickListener;
54import android.view.View.OnCreateContextMenuListener;
55import android.view.View;
56import android.view.ViewGroup;
57import android.view.Window;
58import android.view.WindowManager;
59import android.view.animation.Animation;
60import android.view.animation.AnimationUtils;
61import android.view.animation.TranslateAnimation;
62import android.widget.AbsoluteLayout;
63import android.widget.AdapterView.AdapterContextMenuInfo;
64import android.widget.AdapterView.OnItemClickListener;
65import android.widget.AdapterView;
66import android.widget.Button;
67import android.widget.CheckBox;
68import android.widget.ImageButton;
69import android.widget.ImageView;
70import android.widget.TextView;
71
72import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
73import static android.os.BatteryManager.BATTERY_STATUS_FULL;
74import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
75
76import java.io.IOException;
77import java.io.InputStream;
78import java.util.Calendar;
79import java.util.Date;
80import java.util.Locale;
81import java.util.Random;
82
83/**
84 * DeskClock clock view for desk docks.
85 */
86public class DeskClock extends Activity {
87    private static final boolean DEBUG = false;
88
89    private static final String LOG_TAG = "DeskClock";
90
91    // Package ID of the music player.
92    private static final String MUSIC_PACKAGE_ID = "com.android.music";
93
94    // Alarm action for midnight (so we can update the date display).
95    private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
96
97    // Intent to broadcast for dock settings.
98    private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
99
100    // Interval between polls of the weather widget. Its refresh period is
101    // likely to be much longer (~3h), but we want to pick up any changes
102    // within 5 minutes.
103    private final long QUERY_WEATHER_DELAY = 5 * 60 * 1000; // 5 min
104
105    // Delay before engaging the burn-in protection mode (green-on-black).
106    private final long SCREEN_SAVER_TIMEOUT = 5* 60 * 1000; // 10 min
107
108    // Repositioning delay in screen saver.
109    private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
110
111    // Color to use for text & graphics in screen saver mode.
112    private final int SCREEN_SAVER_COLOR = 0xFF308030;
113    private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
114
115    // Opacity of black layer between clock display and wallpaper.
116    private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
117    private final float DIM_BEHIND_AMOUNT_DIMMED = 0.7f; // higher contrast when display dimmed
118
119    // Internal message IDs.
120    private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
121    private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
122    private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
123    private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
124
125    // Weather widget query information.
126    private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
127    private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
128    private static final String WEATHER_CONTENT_PATH = "/weather/current";
129    private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
130            "location",
131            "timestamp",
132            "temperature",
133            "highTemperature",
134            "lowTemperature",
135            "iconUrl",
136            "iconResId",
137            "description",
138        };
139
140    private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
141
142    // State variables follow.
143    private DigitalClock mTime;
144    private TextView mDate;
145
146    private TextView mNextAlarm = null;
147    private TextView mBatteryDisplay;
148
149    private TextView mWeatherCurrentTemperature;
150    private TextView mWeatherHighTemperature;
151    private TextView mWeatherLowTemperature;
152    private TextView mWeatherLocation;
153    private ImageView mWeatherIcon;
154
155    private String mWeatherCurrentTemperatureString;
156    private String mWeatherHighTemperatureString;
157    private String mWeatherLowTemperatureString;
158    private String mWeatherLocationString;
159    private Drawable mWeatherIconDrawable;
160
161    private Resources mGenieResources = null;
162
163    private boolean mDimmed = false;
164    private boolean mScreenSaverMode = false;
165
166    private String mDateFormat;
167
168    private int mBatteryLevel = -1;
169    private boolean mPluggedIn = false;
170
171    private boolean mLaunchedFromDock = false;
172
173    private Random mRNG;
174
175    private PendingIntent mMidnightIntent;
176
177    private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
178        @Override
179        public void onReceive(Context context, Intent intent) {
180            final String action = intent.getAction();
181            if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
182            if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
183                refreshDate();
184            } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
185                handleBatteryUpdate(
186                    intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
187                    intent.getIntExtra("level", 0));
188            } else if (Intent.ACTION_DOCK_EVENT.equals(action)) {
189                int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1);
190                if (DEBUG) Log.d(LOG_TAG, "ACTION_DOCK_EVENT, state=" + state);
191                if (state == Intent.EXTRA_DOCK_STATE_UNDOCKED) {
192                    if (mLaunchedFromDock) {
193                        // moveTaskToBack(false);
194                        finish();
195                    }
196                    mLaunchedFromDock = false;
197                }
198            }
199        }
200    };
201
202    private final Handler mHandy = new Handler() {
203        @Override
204        public void handleMessage(Message m) {
205            if (m.what == QUERY_WEATHER_DATA_MSG) {
206                new Thread() { public void run() { queryWeatherData(); } }.start();
207                scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
208            } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
209                updateWeatherDisplay();
210            } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
211                saveScreen();
212            } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
213                moveScreenSaver();
214            }
215        }
216    };
217
218
219    private void moveScreenSaver() {
220        moveScreenSaverTo(-1,-1);
221    }
222    private void moveScreenSaverTo(int x, int y) {
223        if (!mScreenSaverMode) return;
224
225        final View saver_view = findViewById(R.id.saver_view);
226
227        DisplayMetrics metrics = new DisplayMetrics();
228        getWindowManager().getDefaultDisplay().getMetrics(metrics);
229
230        if (x < 0 || y < 0) {
231            int myWidth = saver_view.getMeasuredWidth();
232            int myHeight = saver_view.getMeasuredHeight();
233            x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
234            y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
235        }
236
237        if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
238                System.currentTimeMillis(), x, y));
239
240        saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
241            ViewGroup.LayoutParams.WRAP_CONTENT,
242            ViewGroup.LayoutParams.WRAP_CONTENT,
243            x,
244            y));
245
246        // Synchronize our jumping so that it happens exactly on the second.
247        mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
248            SCREEN_SAVER_MOVE_DELAY +
249            (1000 - (System.currentTimeMillis() % 1000)));
250    }
251
252    private void setWakeLock(boolean hold) {
253        if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
254        Window win = getWindow();
255        WindowManager.LayoutParams winParams = win.getAttributes();
256        winParams.flags |= WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
257        winParams.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
258        winParams.flags |= WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON;
259        if (hold)
260            winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
261        else
262            winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
263        win.setAttributes(winParams);
264    }
265
266    private void scheduleScreenSaver() {
267        // reschedule screen saver
268        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
269        mHandy.sendMessageDelayed(
270            Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
271            SCREEN_SAVER_TIMEOUT);
272    }
273
274    private void restoreScreen() {
275        if (!mScreenSaverMode) return;
276        if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
277        mScreenSaverMode = false;
278        initViews();
279        doDim(false); // restores previous dim mode
280        // policy: update weather info when returning from screen saver
281        if (mPluggedIn) requestWeatherDataFetch();
282
283        scheduleScreenSaver();
284
285        refreshAll();
286    }
287
288    // Special screen-saver mode for OLED displays that burn in quickly
289    private void saveScreen() {
290        if (mScreenSaverMode) return;
291        if (DEBUG) Log.d(LOG_TAG, "saveScreen");
292
293        // quickly stash away the x/y of the current date
294        final View oldTimeDate = findViewById(R.id.time_date);
295        int oldLoc[] = new int[2];
296        oldTimeDate.getLocationOnScreen(oldLoc);
297
298        mScreenSaverMode = true;
299        Window win = getWindow();
300        WindowManager.LayoutParams winParams = win.getAttributes();
301        winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
302        win.setAttributes(winParams);
303
304        // give up any internal focus before we switch layouts
305        final View focused = getCurrentFocus();
306        if (focused != null) focused.clearFocus();
307
308        setContentView(R.layout.desk_clock_saver);
309
310        mTime = (DigitalClock) findViewById(R.id.time);
311        mDate = (TextView) findViewById(R.id.date);
312        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
313
314        final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
315
316        ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
317        ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
318        mDate.setTextColor(color);
319        mNextAlarm.setTextColor(color);
320        mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
321            getResources().getDrawable(mDimmed
322                ? R.drawable.ic_lock_idle_alarm_saver_dim
323                : R.drawable.ic_lock_idle_alarm_saver),
324            null, null, null);
325
326        mBatteryDisplay =
327        mWeatherCurrentTemperature =
328        mWeatherHighTemperature =
329        mWeatherLowTemperature =
330        mWeatherLocation = null;
331        mWeatherIcon = null;
332
333        refreshDate();
334        refreshAlarm();
335
336        moveScreenSaverTo(oldLoc[0], oldLoc[1]);
337    }
338
339    @Override
340    public void onUserInteraction() {
341        if (mScreenSaverMode)
342            restoreScreen();
343    }
344
345    // Tell the Genie widget to load new data from the network.
346    private void requestWeatherDataFetch() {
347        if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
348        sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
349        // update the display with any new data
350        scheduleWeatherQueryDelayed(5000);
351    }
352
353    private boolean supportsWeather() {
354        return (mGenieResources != null);
355    }
356
357    private void scheduleWeatherQueryDelayed(long delay) {
358        // cancel any existing scheduled queries
359        unscheduleWeatherQuery();
360
361        if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
362
363        mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
364    }
365
366    private void unscheduleWeatherQuery() {
367        mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
368    }
369
370    private void queryWeatherData() {
371        // if we couldn't load the weather widget's resources, we simply
372        // assume it's not present on the device.
373        if (mGenieResources == null) return;
374
375        Uri queryUri = new Uri.Builder()
376            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
377            .authority(WEATHER_CONTENT_AUTHORITY)
378            .path(WEATHER_CONTENT_PATH)
379            .appendPath(new Long(System.currentTimeMillis()).toString())
380            .build();
381
382        if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
383
384        Cursor cur;
385        try {
386            cur = managedQuery(
387                queryUri,
388                WEATHER_CONTENT_COLUMNS,
389                null,
390                null,
391                null);
392        } catch (RuntimeException e) {
393            Log.e(LOG_TAG, "Weather query failed", e);
394            cur = null;
395        }
396
397        if (cur != null && cur.moveToFirst()) {
398            if (DEBUG) {
399                java.lang.StringBuilder sb =
400                    new java.lang.StringBuilder("Weather query result: {");
401                for(int i=0; i<cur.getColumnCount(); i++) {
402                    if (i>0) sb.append(", ");
403                    sb.append(cur.getColumnName(i))
404                        .append("=")
405                        .append(cur.getString(i));
406                }
407                sb.append("}");
408                Log.d(LOG_TAG, sb.toString());
409            }
410
411            mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
412                cur.getColumnIndexOrThrow("iconResId")));
413
414            mWeatherLocationString = cur.getString(
415                cur.getColumnIndexOrThrow("location"));
416
417            // any of these may be NULL
418            final int colTemp = cur.getColumnIndexOrThrow("temperature");
419            final int colHigh = cur.getColumnIndexOrThrow("highTemperature");
420            final int colLow = cur.getColumnIndexOrThrow("lowTemperature");
421
422            mWeatherCurrentTemperatureString =
423                cur.isNull(colTemp)
424                    ? "\u2014"
425                    : String.format("%d\u00b0", cur.getInt(colTemp));
426            mWeatherHighTemperatureString =
427                cur.isNull(colHigh)
428                    ? "\u2014"
429                    : String.format("%d\u00b0", cur.getInt(colHigh));
430            mWeatherLowTemperatureString =
431                cur.isNull(colLow)
432                    ? "\u2014"
433                    : String.format("%d\u00b0", cur.getInt(colLow));
434        } else {
435            Log.w(LOG_TAG, "No weather information available (cur="
436                + cur +")");
437            mWeatherIconDrawable = null;
438            mWeatherLocationString = getString(R.string.weather_fetch_failure);
439            mWeatherCurrentTemperatureString =
440                mWeatherHighTemperatureString =
441                mWeatherLowTemperatureString = "";
442        }
443
444        mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
445    }
446
447    private void refreshWeather() {
448        if (supportsWeather())
449            scheduleWeatherQueryDelayed(0);
450        updateWeatherDisplay(); // in case we have it cached
451    }
452
453    private void updateWeatherDisplay() {
454        if (mWeatherCurrentTemperature == null) return;
455
456        mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
457        mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
458        mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
459        mWeatherLocation.setText(mWeatherLocationString);
460        mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
461    }
462
463    // Adapted from KeyguardUpdateMonitor.java
464    private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
465        final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
466        if (pluggedIn != mPluggedIn) {
467            setWakeLock(pluggedIn);
468
469            if (pluggedIn) {
470                // policy: update weather info when attaching to power
471                requestWeatherDataFetch();
472            }
473        }
474        if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
475            mBatteryLevel = batteryLevel;
476            mPluggedIn = pluggedIn;
477            refreshBattery();
478        }
479    }
480
481    private void refreshBattery() {
482        if (mBatteryDisplay == null) return;
483
484        if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
485            mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
486                0, 0, android.R.drawable.ic_lock_idle_charging, 0);
487            mBatteryDisplay.setText(
488                getString(R.string.battery_charging_level, mBatteryLevel));
489            mBatteryDisplay.setVisibility(View.VISIBLE);
490        } else {
491            mBatteryDisplay.setVisibility(View.INVISIBLE);
492        }
493    }
494
495    private void refreshDate() {
496        final Date now = new Date();
497        if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
498        mDate.setText(DateFormat.format(mDateFormat, now));
499    }
500
501    private void refreshAlarm() {
502        if (mNextAlarm == null) return;
503
504        String nextAlarm = Settings.System.getString(getContentResolver(),
505                Settings.System.NEXT_ALARM_FORMATTED);
506        if (!TextUtils.isEmpty(nextAlarm)) {
507            mNextAlarm.setText(nextAlarm);
508            //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
509            //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
510            mNextAlarm.setVisibility(View.VISIBLE);
511        } else {
512            mNextAlarm.setVisibility(View.INVISIBLE);
513        }
514    }
515
516    private void refreshAll() {
517        refreshDate();
518        refreshAlarm();
519        refreshBattery();
520        refreshWeather();
521    }
522
523    private void doDim(boolean fade) {
524        View tintView = findViewById(R.id.window_tint);
525        if (tintView == null) return;
526
527        Window win = getWindow();
528        WindowManager.LayoutParams winParams = win.getAttributes();
529
530        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
531        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
532
533        // dim the wallpaper somewhat (how much is determined below)
534        winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
535
536        if (mDimmed) {
537            winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
538            winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
539
540            // show the window tint
541            tintView.startAnimation(AnimationUtils.loadAnimation(this,
542                fade ? R.anim.dim
543                     : R.anim.dim_instant));
544        } else {
545            winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
546            winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
547
548            // hide the window tint
549            tintView.startAnimation(AnimationUtils.loadAnimation(this,
550                fade ? R.anim.undim
551                     : R.anim.undim_instant));
552        }
553
554        win.setAttributes(winParams);
555    }
556
557    @Override
558    public void onNewIntent(Intent newIntent) {
559        super.onNewIntent(newIntent);
560        if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
561
562        // update our intent so that we can consult it to determine whether or
563        // not the most recent launch was via a dock event
564        setIntent(newIntent);
565    }
566
567    @Override
568    public void onResume() {
569        super.onResume();
570        if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
571
572        // reload the date format in case the user has changed settings
573        // recently
574        mDateFormat = getString(com.android.internal.R.string.full_wday_month_day_no_year);
575
576        IntentFilter filter = new IntentFilter();
577        filter.addAction(Intent.ACTION_DATE_CHANGED);
578        filter.addAction(Intent.ACTION_BATTERY_CHANGED);
579        filter.addAction(Intent.ACTION_DOCK_EVENT);
580        filter.addAction(ACTION_MIDNIGHT);
581        registerReceiver(mIntentReceiver, filter);
582
583        Calendar today = Calendar.getInstance();
584        today.set(Calendar.HOUR_OF_DAY, 0);
585        today.set(Calendar.MINUTE, 0);
586        today.set(Calendar.SECOND, 0);
587        today.add(Calendar.DATE, 1);
588        long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
589        mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
590        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
591        am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
592        if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
593            + alarmTimeUTC + " repeating every "
594            + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
595
596        // un-dim when resuming
597        mDimmed = false;
598        doDim(false);
599
600        restoreScreen(); // disable screen saver
601        refreshAll(); // will schedule periodic weather fetch
602
603        setWakeLock(mPluggedIn);
604
605        scheduleScreenSaver();
606
607        final boolean launchedFromDock
608            = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
609
610        if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
611            // policy: fetch weather if launched via dock connection
612            if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
613            requestWeatherDataFetch();
614        }
615
616        mLaunchedFromDock = launchedFromDock;
617    }
618
619    @Override
620    public void onPause() {
621        if (DEBUG) Log.d(LOG_TAG, "onPause");
622
623        // Turn off the screen saver and cancel any pending timeouts.
624        // (But don't un-dim.)
625        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
626        restoreScreen();
627
628        // Other things we don't want to be doing in the background.
629        unregisterReceiver(mIntentReceiver);
630        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
631        am.cancel(mMidnightIntent);
632        unscheduleWeatherQuery();
633
634        super.onPause();
635    }
636
637    @Override
638    public void onStop() {
639        if (DEBUG) Log.d(LOG_TAG, "onStop");
640
641        // Avoid situations where the user launches Alarm Clock and is
642        // surprised to find it in dim mode (because it was last used in dim
643        // mode, but that last use is long in the past).
644        mDimmed = false;
645
646        super.onStop();
647    }
648
649    private void initViews() {
650        // give up any internal focus before we switch layouts
651        final View focused = getCurrentFocus();
652        if (focused != null) focused.clearFocus();
653
654        setContentView(R.layout.desk_clock);
655
656        mTime = (DigitalClock) findViewById(R.id.time);
657        mDate = (TextView) findViewById(R.id.date);
658        mBatteryDisplay = (TextView) findViewById(R.id.battery);
659
660        mTime.getRootView().requestFocus();
661
662        mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
663        mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
664        mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
665        mWeatherLocation = (TextView) findViewById(R.id.weather_location);
666        mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
667
668        final View.OnClickListener alarmClickListener = new View.OnClickListener() {
669            public void onClick(View v) {
670                startActivity(new Intent(DeskClock.this, AlarmClock.class));
671            }
672        };
673
674        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
675        mNextAlarm.setOnClickListener(alarmClickListener);
676
677        final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
678        alarmButton.setOnClickListener(alarmClickListener);
679
680        final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
681        galleryButton.setOnClickListener(new View.OnClickListener() {
682            public void onClick(View v) {
683                try {
684                    startActivity(new Intent(
685                        Intent.ACTION_VIEW,
686                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
687                            .putExtra("slideshow", true)
688                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
689                } catch (android.content.ActivityNotFoundException e) {
690                    Log.e(LOG_TAG, "Couldn't launch image browser", e);
691                }
692            }
693        });
694
695        final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
696        musicButton.setOnClickListener(new View.OnClickListener() {
697            public void onClick(View v) {
698                try {
699                    Intent musicAppQuery = getPackageManager()
700                        .getLaunchIntentForPackage(MUSIC_PACKAGE_ID)
701                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
702                    if (musicAppQuery != null) {
703                        startActivity(musicAppQuery);
704                    }
705                } catch (android.content.ActivityNotFoundException e) {
706                    Log.e(LOG_TAG, "Couldn't launch music browser", e);
707                }
708            }
709        });
710
711        final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
712        homeButton.setOnClickListener(new View.OnClickListener() {
713            public void onClick(View v) {
714                startActivity(
715                    new Intent(Intent.ACTION_MAIN)
716                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
717                        .addCategory(Intent.CATEGORY_HOME));
718            }
719        });
720
721        final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
722        nightmodeButton.setOnClickListener(new View.OnClickListener() {
723            public void onClick(View v) {
724                mDimmed = ! mDimmed;
725                doDim(true);
726            }
727        });
728
729        nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
730            public boolean onLongClick(View v) {
731                saveScreen();
732                return true;
733            }
734        });
735
736        final View weatherView = findViewById(R.id.weather);
737        weatherView.setOnClickListener(new View.OnClickListener() {
738            public void onClick(View v) {
739                if (!supportsWeather()) return;
740
741                Intent genieAppQuery = getPackageManager()
742                    .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
743                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
744                if (genieAppQuery != null) {
745                    startActivity(genieAppQuery);
746                }
747            }
748        });
749    }
750
751    @Override
752    public void onConfigurationChanged(Configuration newConfig) {
753        super.onConfigurationChanged(newConfig);
754        if (!mScreenSaverMode) {
755            initViews();
756            doDim(false);
757            refreshAll();
758        }
759    }
760
761    @Override
762    public boolean onOptionsItemSelected(MenuItem item) {
763        switch (item.getItemId()) {
764            case R.id.menu_item_alarms:
765                startActivity(new Intent(DeskClock.this, AlarmClock.class));
766                return true;
767            case R.id.menu_item_add_alarm:
768                AlarmClock.addNewAlarm(this);
769                return true;
770            case R.id.menu_item_dock_settings:
771                startActivity(new Intent(DOCK_SETTINGS_ACTION));
772                return true;
773            default:
774                return false;
775        }
776    }
777
778    @Override
779    public boolean onCreateOptionsMenu(Menu menu) {
780        MenuInflater inflater = getMenuInflater();
781        inflater.inflate(R.menu.desk_clock_menu, menu);
782        return true;
783    }
784
785    @Override
786    protected void onCreate(Bundle icicle) {
787        super.onCreate(icicle);
788
789        mRNG = new Random();
790
791        try {
792            mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
793        } catch (PackageManager.NameNotFoundException e) {
794            // no weather info available
795            Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
796        }
797
798        initViews();
799    }
800
801}
802