DeskClock.java revision 889ca057eb9aa2a6cce0fff87e1e118926815c88 
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.ContentObserver;
33import android.database.Cursor;
34import android.graphics.drawable.BitmapDrawable;
35import android.graphics.drawable.ColorDrawable;
36import android.graphics.drawable.Drawable;
37import android.net.Uri;
38import android.os.Bundle;
39import android.os.Handler;
40import android.os.Message;
41import android.os.SystemClock;
42import android.os.PowerManager;
43import android.provider.Settings;
44import android.text.TextUtils;
45import android.text.format.DateFormat;
46import android.util.DisplayMetrics;
47import android.util.Log;
48import android.view.ContextMenu.ContextMenuInfo;
49import android.view.ContextMenu;
50import android.view.LayoutInflater;
51import android.view.Menu;
52import android.view.MenuInflater;
53import android.view.MenuItem;
54import android.view.View.OnClickListener;
55import android.view.View.OnCreateContextMenuListener;
56import android.view.View;
57import android.view.ViewGroup;
58import android.view.Window;
59import android.view.WindowManager;
60import android.view.animation.Animation;
61import android.view.animation.AnimationUtils;
62import android.view.animation.TranslateAnimation;
63import android.widget.AbsoluteLayout;
64import android.widget.AdapterView.AdapterContextMenuInfo;
65import android.widget.AdapterView.OnItemClickListener;
66import android.widget.AdapterView;
67import android.widget.Button;
68import android.widget.CheckBox;
69import android.widget.ImageButton;
70import android.widget.ImageView;
71import android.widget.TextView;
72
73import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
74import static android.os.BatteryManager.BATTERY_STATUS_FULL;
75import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
76
77import java.io.IOException;
78import java.io.InputStream;
79import java.util.Calendar;
80import java.util.Date;
81import java.util.Locale;
82import java.util.Random;
83
84/**
85 * DeskClock clock view for desk docks.
86 */
87public class DeskClock extends Activity {
88    private static final boolean DEBUG = false;
89
90    private static final String LOG_TAG = "DeskClock";
91
92    // Package ID of the music player.
93    private static final String MUSIC_PACKAGE_ID = "com.android.music";
94
95    // Alarm action for midnight (so we can update the date display).
96    private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
97
98    // Interval between forced polls of the weather widget.
99    private final long QUERY_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr
100
101    // Delay before engaging the burn-in protection mode (green-on-black).
102    private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
103
104    // Repositioning delay in screen saver.
105    private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
106
107    // Color to use for text & graphics in screen saver mode.
108    private final int SCREEN_SAVER_COLOR = 0xFF308030;
109    private final int SCREEN_SAVER_COLOR_DIM = 0xFF183018;
110
111    // Opacity of black layer between clock display and wallpaper.
112    private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
113    private final float DIM_BEHIND_AMOUNT_DIMMED = 0.7f; // higher contrast when display dimmed
114
115    // Internal message IDs.
116    private final int QUERY_WEATHER_DATA_MSG     = 0x1000;
117    private final int UPDATE_WEATHER_DISPLAY_MSG = 0x1001;
118    private final int SCREEN_SAVER_TIMEOUT_MSG   = 0x2000;
119    private final int SCREEN_SAVER_MOVE_MSG      = 0x2001;
120
121    // Weather widget query information.
122    private static final String GENIE_PACKAGE_ID = "com.google.android.apps.genie.geniewidget";
123    private static final String WEATHER_CONTENT_AUTHORITY = GENIE_PACKAGE_ID + ".weather";
124    private static final String WEATHER_CONTENT_PATH = "/weather/current";
125    private static final String[] WEATHER_CONTENT_COLUMNS = new String[] {
126            "location",
127            "timestamp",
128            "temperature",
129            "highTemperature",
130            "lowTemperature",
131            "iconUrl",
132            "iconResId",
133            "description",
134        };
135
136    private static final String ACTION_GENIE_REFRESH = "com.google.android.apps.genie.REFRESH";
137
138    // State variables follow.
139    private DigitalClock mTime;
140    private TextView mDate;
141
142    private TextView mNextAlarm = null;
143    private TextView mBatteryDisplay;
144
145    private TextView mWeatherCurrentTemperature;
146    private TextView mWeatherHighTemperature;
147    private TextView mWeatherLowTemperature;
148    private TextView mWeatherLocation;
149    private ImageView mWeatherIcon;
150
151    private String mWeatherCurrentTemperatureString;
152    private String mWeatherHighTemperatureString;
153    private String mWeatherLowTemperatureString;
154    private String mWeatherLocationString;
155    private Drawable mWeatherIconDrawable;
156
157    private Resources mGenieResources = null;
158
159    private boolean mDimmed = false;
160    private boolean mScreenSaverMode = false;
161
162    private String mDateFormat;
163
164    private int mBatteryLevel = -1;
165    private boolean mPluggedIn = false;
166
167    private boolean mLaunchedFromDock = false;
168
169    private Random mRNG;
170
171    private PendingIntent mMidnightIntent;
172
173    private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
174        @Override
175        public void onReceive(Context context, Intent intent) {
176            final String action = intent.getAction();
177            if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
178            if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
179                refreshDate();
180            } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
181                handleBatteryUpdate(
182                    intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
183                    intent.getIntExtra("level", 0));
184            } else if (Intent.ACTION_DOCK_EVENT.equals(action)) {
185                int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1);
186                if (DEBUG) Log.d(LOG_TAG, "ACTION_DOCK_EVENT, state=" + state);
187                if (state == Intent.EXTRA_DOCK_STATE_UNDOCKED) {
188                    if (mLaunchedFromDock) {
189                        // moveTaskToBack(false);
190                        finish();
191                    }
192                    mLaunchedFromDock = false;
193                }
194            }
195        }
196    };
197
198    private final Handler mHandy = new Handler() {
199        @Override
200        public void handleMessage(Message m) {
201            if (m.what == QUERY_WEATHER_DATA_MSG) {
202                new Thread() { public void run() { queryWeatherData(); } }.start();
203                scheduleWeatherQueryDelayed(QUERY_WEATHER_DELAY);
204            } else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
205                updateWeatherDisplay();
206            } else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
207                saveScreen();
208            } else if (m.what == SCREEN_SAVER_MOVE_MSG) {
209                moveScreenSaver();
210            }
211        }
212    };
213
214    private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
215        @Override
216        public void onChange(boolean selfChange) {
217            if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
218            refreshWeather();
219        }
220    };
221
222
223    private void moveScreenSaver() {
224        moveScreenSaverTo(-1,-1);
225    }
226    private void moveScreenSaverTo(int x, int y) {
227        if (!mScreenSaverMode) return;
228
229        final View saver_view = findViewById(R.id.saver_view);
230
231        DisplayMetrics metrics = new DisplayMetrics();
232        getWindowManager().getDefaultDisplay().getMetrics(metrics);
233
234        if (x < 0 || y < 0) {
235            int myWidth = saver_view.getMeasuredWidth();
236            int myHeight = saver_view.getMeasuredHeight();
237            x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
238            y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
239        }
240
241        if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
242                System.currentTimeMillis(), x, y));
243
244        saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
245            ViewGroup.LayoutParams.WRAP_CONTENT,
246            ViewGroup.LayoutParams.WRAP_CONTENT,
247            x,
248            y));
249
250        // Synchronize our jumping so that it happens exactly on the second.
251        mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
252            SCREEN_SAVER_MOVE_DELAY +
253            (1000 - (System.currentTimeMillis() % 1000)));
254    }
255
256    private void setWakeLock(boolean hold) {
257        if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
258        Window win = getWindow();
259        WindowManager.LayoutParams winParams = win.getAttributes();
260        winParams.flags |= WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
261        winParams.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
262        winParams.flags |= WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON;
263        if (hold)
264            winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
265        else
266            winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
267        win.setAttributes(winParams);
268    }
269
270    private void scheduleScreenSaver() {
271        // reschedule screen saver
272        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
273        mHandy.sendMessageDelayed(
274            Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
275            SCREEN_SAVER_TIMEOUT);
276    }
277
278    private void restoreScreen() {
279        if (!mScreenSaverMode) return;
280        if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
281        mScreenSaverMode = false;
282        initViews();
283        doDim(false); // restores previous dim mode
284        // policy: update weather info when returning from screen saver
285        if (mPluggedIn) requestWeatherDataFetch();
286
287        scheduleScreenSaver();
288
289        refreshAll();
290    }
291
292    // Special screen-saver mode for OLED displays that burn in quickly
293    private void saveScreen() {
294        if (mScreenSaverMode) return;
295        if (DEBUG) Log.d(LOG_TAG, "saveScreen");
296
297        // quickly stash away the x/y of the current date
298        final View oldTimeDate = findViewById(R.id.time_date);
299        int oldLoc[] = new int[2];
300        oldTimeDate.getLocationOnScreen(oldLoc);
301
302        mScreenSaverMode = true;
303        Window win = getWindow();
304        WindowManager.LayoutParams winParams = win.getAttributes();
305        winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
306        win.setAttributes(winParams);
307
308        // give up any internal focus before we switch layouts
309        final View focused = getCurrentFocus();
310        if (focused != null) focused.clearFocus();
311
312        setContentView(R.layout.desk_clock_saver);
313
314        mTime = (DigitalClock) findViewById(R.id.time);
315        mDate = (TextView) findViewById(R.id.date);
316        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
317
318        final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
319
320        ((TextView)findViewById(R.id.timeDisplay)).setTextColor(color);
321        ((TextView)findViewById(R.id.am_pm)).setTextColor(color);
322        mDate.setTextColor(color);
323        mNextAlarm.setTextColor(color);
324        mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
325            getResources().getDrawable(mDimmed
326                ? R.drawable.ic_lock_idle_alarm_saver_dim
327                : R.drawable.ic_lock_idle_alarm_saver),
328            null, null, null);
329
330        mBatteryDisplay =
331        mWeatherCurrentTemperature =
332        mWeatherHighTemperature =
333        mWeatherLowTemperature =
334        mWeatherLocation = null;
335        mWeatherIcon = null;
336
337        refreshDate();
338        refreshAlarm();
339
340        moveScreenSaverTo(oldLoc[0], oldLoc[1]);
341    }
342
343    @Override
344    public void onUserInteraction() {
345        if (mScreenSaverMode)
346            restoreScreen();
347    }
348
349    // Tell the Genie widget to load new data from the network.
350    private void requestWeatherDataFetch() {
351        if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
352        sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
353        // we expect the result to show up in our content observer
354    }
355
356    private boolean supportsWeather() {
357        return (mGenieResources != null);
358    }
359
360    private void scheduleWeatherQueryDelayed(long delay) {
361        // cancel any existing scheduled queries
362        unscheduleWeatherQuery();
363
364        if (DEBUG) Log.d(LOG_TAG, "scheduling weather fetch message for " + delay + "ms from now");
365
366        mHandy.sendEmptyMessageDelayed(QUERY_WEATHER_DATA_MSG, delay);
367    }
368
369    private void unscheduleWeatherQuery() {
370        mHandy.removeMessages(QUERY_WEATHER_DATA_MSG);
371    }
372
373    private void queryWeatherData() {
374        // if we couldn't load the weather widget's resources, we simply
375        // assume it's not present on the device.
376        if (mGenieResources == null) return;
377
378        Uri queryUri = new Uri.Builder()
379            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
380            .authority(WEATHER_CONTENT_AUTHORITY)
381            .path(WEATHER_CONTENT_PATH)
382            .appendPath(new Long(System.currentTimeMillis()).toString())
383            .build();
384
385        if (DEBUG) Log.d(LOG_TAG, "querying genie: " + queryUri);
386
387        Cursor cur;
388        try {
389            cur = managedQuery(
390                queryUri,
391                WEATHER_CONTENT_COLUMNS,
392                null,
393                null,
394                null);
395        } catch (RuntimeException e) {
396            Log.e(LOG_TAG, "Weather query failed", e);
397            cur = null;
398        }
399
400        if (cur != null && cur.moveToFirst()) {
401            if (DEBUG) {
402                java.lang.StringBuilder sb =
403                    new java.lang.StringBuilder("Weather query result: {");
404                for(int i=0; i<cur.getColumnCount(); i++) {
405                    if (i>0) sb.append(", ");
406                    sb.append(cur.getColumnName(i))
407                        .append("=")
408                        .append(cur.getString(i));
409                }
410                sb.append("}");
411                Log.d(LOG_TAG, sb.toString());
412            }
413
414            mWeatherIconDrawable = mGenieResources.getDrawable(cur.getInt(
415                cur.getColumnIndexOrThrow("iconResId")));
416            mWeatherCurrentTemperatureString = String.format("%d\u00b0",
417                (cur.getInt(cur.getColumnIndexOrThrow("temperature"))));
418            mWeatherHighTemperatureString = String.format("%d\u00b0",
419                (cur.getInt(cur.getColumnIndexOrThrow("highTemperature"))));
420            mWeatherLowTemperatureString = String.format("%d\u00b0",
421                (cur.getInt(cur.getColumnIndexOrThrow("lowTemperature"))));
422            mWeatherLocationString = cur.getString(
423                cur.getColumnIndexOrThrow("location"));
424        } else {
425            Log.w(LOG_TAG, "No weather information available (cur="
426                + cur +")");
427            mWeatherIconDrawable = null;
428            mWeatherHighTemperatureString = "";
429            mWeatherLowTemperatureString = "";
430            mWeatherLocationString = getString(R.string.weather_fetch_failure);
431        }
432
433        mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
434    }
435
436    private void refreshWeather() {
437        if (supportsWeather())
438            scheduleWeatherQueryDelayed(0);
439        updateWeatherDisplay(); // in case we have it cached
440    }
441
442    private void updateWeatherDisplay() {
443        if (mWeatherCurrentTemperature == null) return;
444
445        mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
446        mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
447        mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
448        mWeatherLocation.setText(mWeatherLocationString);
449        mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
450    }
451
452    // Adapted from KeyguardUpdateMonitor.java
453    private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
454        final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
455        if (pluggedIn != mPluggedIn) {
456            setWakeLock(pluggedIn);
457
458            if (pluggedIn) {
459                // policy: update weather info when attaching to power
460                requestWeatherDataFetch();
461            }
462        }
463        if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
464            mBatteryLevel = batteryLevel;
465            mPluggedIn = pluggedIn;
466            refreshBattery();
467        }
468    }
469
470    private void refreshBattery() {
471        if (mBatteryDisplay == null) return;
472
473        if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
474            mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
475                0, 0, android.R.drawable.ic_lock_idle_charging, 0);
476            mBatteryDisplay.setText(
477                getString(R.string.battery_charging_level, mBatteryLevel));
478            mBatteryDisplay.setVisibility(View.VISIBLE);
479        } else {
480            mBatteryDisplay.setVisibility(View.INVISIBLE);
481        }
482    }
483
484    private void refreshDate() {
485        final Date now = new Date();
486        if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
487        mDate.setText(DateFormat.format(mDateFormat, now));
488    }
489
490    private void refreshAlarm() {
491        if (mNextAlarm == null) return;
492
493        String nextAlarm = Settings.System.getString(getContentResolver(),
494                Settings.System.NEXT_ALARM_FORMATTED);
495        if (!TextUtils.isEmpty(nextAlarm)) {
496            mNextAlarm.setText(nextAlarm);
497            //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
498            //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
499            mNextAlarm.setVisibility(View.VISIBLE);
500        } else {
501            mNextAlarm.setVisibility(View.INVISIBLE);
502        }
503    }
504
505    private void refreshAll() {
506        refreshDate();
507        refreshAlarm();
508        refreshBattery();
509        refreshWeather();
510    }
511
512    private void doDim(boolean fade) {
513        View tintView = findViewById(R.id.window_tint);
514        if (tintView == null) return;
515
516        Window win = getWindow();
517        WindowManager.LayoutParams winParams = win.getAttributes();
518
519        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
520        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
521
522        // dim the wallpaper somewhat (how much is determined below)
523        winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
524
525        if (mDimmed) {
526            winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
527            winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
528
529            // show the window tint
530            tintView.startAnimation(AnimationUtils.loadAnimation(this,
531                fade ? R.anim.dim
532                     : R.anim.dim_instant));
533        } else {
534            winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
535            winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
536
537            // hide the window tint
538            tintView.startAnimation(AnimationUtils.loadAnimation(this,
539                fade ? R.anim.undim
540                     : R.anim.undim_instant));
541        }
542
543        win.setAttributes(winParams);
544    }
545
546    @Override
547    public void onNewIntent(Intent newIntent) {
548        super.onNewIntent(newIntent);
549        if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
550
551        // update our intent so that we can consult it to determine whether or
552        // not the most recent launch was via a dock event
553        setIntent(newIntent);
554    }
555
556    @Override
557    public void onResume() {
558        super.onResume();
559        if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
560
561        // reload the date format in case the user has changed settings
562        // recently
563        mDateFormat = getString(com.android.internal.R.string.full_wday_month_day_no_year);
564
565        IntentFilter filter = new IntentFilter();
566        filter.addAction(Intent.ACTION_DATE_CHANGED);
567        filter.addAction(Intent.ACTION_BATTERY_CHANGED);
568        filter.addAction(Intent.ACTION_DOCK_EVENT);
569        filter.addAction(ACTION_MIDNIGHT);
570        registerReceiver(mIntentReceiver, filter);
571
572        // Listen for updates to weather data
573        Uri weatherNotificationUri = new Uri.Builder()
574            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
575            .authority(WEATHER_CONTENT_AUTHORITY)
576            .path(WEATHER_CONTENT_PATH)
577            .build();
578        getContentResolver().registerContentObserver(
579            weatherNotificationUri, true, mContentObserver);
580
581        // Elaborate mechanism to find out when the day rolls over
582        Calendar today = Calendar.getInstance();
583        today.set(Calendar.HOUR_OF_DAY, 0);
584        today.set(Calendar.MINUTE, 0);
585        today.set(Calendar.SECOND, 0);
586        today.add(Calendar.DATE, 1);
587        long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
588        mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
589        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
590        am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
591        if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
592            + alarmTimeUTC + " repeating every "
593            + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
594
595        // un-dim when resuming
596        mDimmed = false;
597        doDim(false);
598
599        restoreScreen(); // disable screen saver
600        refreshAll(); // will schedule periodic weather fetch
601
602        setWakeLock(mPluggedIn);
603
604        scheduleScreenSaver();
605
606        final boolean launchedFromDock
607            = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
608
609        if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
610            // policy: fetch weather if launched via dock connection
611            if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
612            requestWeatherDataFetch();
613        }
614
615        mLaunchedFromDock = launchedFromDock;
616    }
617
618    @Override
619    public void onPause() {
620        if (DEBUG) Log.d(LOG_TAG, "onPause");
621
622        // Turn off the screen saver and cancel any pending timeouts.
623        // (But don't un-dim.)
624        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
625        restoreScreen();
626
627        // Other things we don't want to be doing in the background.
628        unregisterReceiver(mIntentReceiver);
629        getContentResolver().unregisterContentObserver(mContentObserver);
630
631        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
632        am.cancel(mMidnightIntent);
633        unscheduleWeatherQuery();
634
635        super.onPause();
636    }
637
638    @Override
639    public void onStop() {
640        if (DEBUG) Log.d(LOG_TAG, "onStop");
641
642        // Avoid situations where the user launches Alarm Clock and is
643        // surprised to find it in dim mode (because it was last used in dim
644        // mode, but that last use is long in the past).
645        mDimmed = false;
646
647        super.onStop();
648    }
649
650    private void initViews() {
651        // give up any internal focus before we switch layouts
652        final View focused = getCurrentFocus();
653        if (focused != null) focused.clearFocus();
654
655        setContentView(R.layout.desk_clock);
656
657        mTime = (DigitalClock) findViewById(R.id.time);
658        mDate = (TextView) findViewById(R.id.date);
659        mBatteryDisplay = (TextView) findViewById(R.id.battery);
660
661        mTime.getRootView().requestFocus();
662
663        mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
664        mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
665        mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
666        mWeatherLocation = (TextView) findViewById(R.id.weather_location);
667        mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
668
669        final View.OnClickListener alarmClickListener = new View.OnClickListener() {
670            public void onClick(View v) {
671                startActivity(new Intent(DeskClock.this, AlarmClock.class));
672            }
673        };
674
675        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
676        mNextAlarm.setOnClickListener(alarmClickListener);
677
678        final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
679        alarmButton.setOnClickListener(alarmClickListener);
680
681        final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
682        galleryButton.setOnClickListener(new View.OnClickListener() {
683            public void onClick(View v) {
684                try {
685                    startActivity(new Intent(
686                        Intent.ACTION_VIEW,
687                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
688                            .putExtra("slideshow", true)
689                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
690                } catch (android.content.ActivityNotFoundException e) {
691                    Log.e(LOG_TAG, "Couldn't launch image browser", e);
692                }
693            }
694        });
695
696        final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
697        musicButton.setOnClickListener(new View.OnClickListener() {
698            public void onClick(View v) {
699                try {
700                    Intent musicAppQuery = getPackageManager()
701                        .getLaunchIntentForPackage(MUSIC_PACKAGE_ID)
702                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
703                    if (musicAppQuery != null) {
704                        startActivity(musicAppQuery);
705                    }
706                } catch (android.content.ActivityNotFoundException e) {
707                    Log.e(LOG_TAG, "Couldn't launch music browser", e);
708                }
709            }
710        });
711
712        final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
713        homeButton.setOnClickListener(new View.OnClickListener() {
714            public void onClick(View v) {
715                startActivity(
716                    new Intent(Intent.ACTION_MAIN)
717                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
718                        .addCategory(Intent.CATEGORY_HOME));
719            }
720        });
721
722        final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
723        nightmodeButton.setOnClickListener(new View.OnClickListener() {
724            public void onClick(View v) {
725                mDimmed = ! mDimmed;
726                doDim(true);
727            }
728        });
729
730        nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
731            public boolean onLongClick(View v) {
732                saveScreen();
733                return true;
734            }
735        });
736
737        final View weatherView = findViewById(R.id.weather);
738        weatherView.setOnClickListener(new View.OnClickListener() {
739            public void onClick(View v) {
740                if (!supportsWeather()) return;
741
742                Intent genieAppQuery = getPackageManager()
743                    .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
744                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
745                if (genieAppQuery != null) {
746                    startActivity(genieAppQuery);
747                }
748            }
749        });
750    }
751
752    @Override
753    public void onConfigurationChanged(Configuration newConfig) {
754        super.onConfigurationChanged(newConfig);
755        if (!mScreenSaverMode) {
756            initViews();
757            doDim(false);
758            refreshAll();
759        }
760    }
761
762    @Override
763    public boolean onOptionsItemSelected(MenuItem item) {
764        if (item.getItemId() == R.id.menu_item_alarms) {
765            startActivity(new Intent(DeskClock.this, AlarmClock.class));
766            return true;
767        } else if (item.getItemId() == R.id.menu_item_add_alarm) {
768            AlarmClock.addNewAlarm(this);
769            return true;
770        }
771        return false;
772    }
773
774    @Override
775    public boolean onCreateOptionsMenu(Menu menu) {
776        MenuInflater inflater = getMenuInflater();
777        inflater.inflate(R.menu.desk_clock_menu, menu);
778        return true;
779    }
780
781    @Override
782    protected void onCreate(Bundle icicle) {
783        super.onCreate(icicle);
784
785        mRNG = new Random();
786
787        try {
788            mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
789        } catch (PackageManager.NameNotFoundException e) {
790            // no weather info available
791            Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
792        }
793
794        initViews();
795    }
796
797}
798