DeskClock.java revision f7bd3f7d1f14090b9ddf4a3d7b33ef98ad73c8ae 
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.Rect;
35import android.graphics.drawable.BitmapDrawable;
36import android.graphics.drawable.ColorDrawable;
37import android.graphics.drawable.Drawable;
38import android.net.Uri;
39import android.os.Bundle;
40import android.os.Handler;
41import android.os.Message;
42import android.os.SystemClock;
43import android.os.PowerManager;
44import android.provider.Settings;
45import android.text.TextUtils;
46import android.text.format.DateFormat;
47import android.util.DisplayMetrics;
48import android.util.Log;
49import android.view.ContextMenu.ContextMenuInfo;
50import android.view.ContextMenu;
51import android.view.LayoutInflater;
52import android.view.Menu;
53import android.view.MenuInflater;
54import android.view.MenuItem;
55import android.view.MotionEvent;
56import android.view.View.OnClickListener;
57import android.view.View.OnCreateContextMenuListener;
58import android.view.View;
59import android.view.ViewGroup;
60import android.view.ViewTreeObserver;
61import android.view.ViewTreeObserver.OnGlobalFocusChangeListener;
62import android.view.Window;
63import android.view.WindowManager;
64import android.view.animation.Animation;
65import android.view.animation.AnimationUtils;
66import android.view.animation.TranslateAnimation;
67import android.widget.AbsoluteLayout;
68import android.widget.AdapterView.AdapterContextMenuInfo;
69import android.widget.AdapterView.OnItemClickListener;
70import android.widget.AdapterView;
71import android.widget.Button;
72import android.widget.CheckBox;
73import android.widget.ImageButton;
74import android.widget.ImageView;
75import android.widget.TextView;
76
77import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
78import static android.os.BatteryManager.BATTERY_STATUS_FULL;
79import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
80
81import java.io.IOException;
82import java.io.InputStream;
83import java.util.Calendar;
84import java.util.Date;
85import java.util.Locale;
86import java.util.Random;
87
88/**
89 * DeskClock clock view for desk docks.
90 */
91public class DeskClock extends Activity {
92    private static final boolean DEBUG = false;
93
94    private static final String LOG_TAG = "DeskClock";
95
96    // Package ID of the music player.
97    private static final String MUSIC_PACKAGE_ID = "com.android.music";
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    // Delay before engaging the burn-in protection mode (green-on-black).
106    private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 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 = 0.8f; // 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    private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
219        @Override
220        public void onChange(boolean selfChange) {
221            if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
222            refreshWeather();
223        }
224    };
225
226
227    private void moveScreenSaver() {
228        moveScreenSaverTo(-1,-1);
229    }
230    private void moveScreenSaverTo(int x, int y) {
231        if (!mScreenSaverMode) return;
232
233        final View saver_view = findViewById(R.id.saver_view);
234
235        DisplayMetrics metrics = new DisplayMetrics();
236        getWindowManager().getDefaultDisplay().getMetrics(metrics);
237
238        if (x < 0 || y < 0) {
239            int myWidth = saver_view.getMeasuredWidth();
240            int myHeight = saver_view.getMeasuredHeight();
241            x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
242            y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
243        }
244
245        if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
246                System.currentTimeMillis(), x, y));
247
248        saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
249            ViewGroup.LayoutParams.WRAP_CONTENT,
250            ViewGroup.LayoutParams.WRAP_CONTENT,
251            x,
252            y));
253
254        // Synchronize our jumping so that it happens exactly on the second.
255        mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
256            SCREEN_SAVER_MOVE_DELAY +
257            (1000 - (System.currentTimeMillis() % 1000)));
258    }
259
260    private void setWakeLock(boolean hold) {
261        if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
262        Window win = getWindow();
263        WindowManager.LayoutParams winParams = win.getAttributes();
264        winParams.flags |= WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD;
265        winParams.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
266        winParams.flags |= 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 = managedQuery(
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            mWeatherCurrentTemperatureString = String.format("%d\u00b0",
421                (cur.getInt(cur.getColumnIndexOrThrow("temperature"))));
422            mWeatherHighTemperatureString = String.format("%d\u00b0",
423                (cur.getInt(cur.getColumnIndexOrThrow("highTemperature"))));
424            mWeatherLowTemperatureString = String.format("%d\u00b0",
425                (cur.getInt(cur.getColumnIndexOrThrow("lowTemperature"))));
426            mWeatherLocationString = cur.getString(
427                cur.getColumnIndexOrThrow("location"));
428        } else {
429            Log.w(LOG_TAG, "No weather information available (cur="
430                + cur +")");
431            mWeatherIconDrawable = null;
432            mWeatherHighTemperatureString = "";
433            mWeatherLowTemperatureString = "";
434            mWeatherLocationString = getString(R.string.weather_fetch_failure);
435        }
436
437        mHandy.sendEmptyMessage(UPDATE_WEATHER_DISPLAY_MSG);
438    }
439
440    private void refreshWeather() {
441        if (supportsWeather())
442            scheduleWeatherQueryDelayed(0);
443        updateWeatherDisplay(); // in case we have it cached
444    }
445
446    private void updateWeatherDisplay() {
447        if (mWeatherCurrentTemperature == null) return;
448
449        mWeatherCurrentTemperature.setText(mWeatherCurrentTemperatureString);
450        mWeatherHighTemperature.setText(mWeatherHighTemperatureString);
451        mWeatherLowTemperature.setText(mWeatherLowTemperatureString);
452        mWeatherLocation.setText(mWeatherLocationString);
453        mWeatherIcon.setImageDrawable(mWeatherIconDrawable);
454    }
455
456    // Adapted from KeyguardUpdateMonitor.java
457    private void handleBatteryUpdate(int plugStatus, int batteryLevel) {
458        final boolean pluggedIn = (plugStatus == BATTERY_STATUS_CHARGING || plugStatus == BATTERY_STATUS_FULL);
459        if (pluggedIn != mPluggedIn) {
460            setWakeLock(pluggedIn);
461
462            if (pluggedIn) {
463                // policy: update weather info when attaching to power
464                requestWeatherDataFetch();
465            }
466        }
467        if (pluggedIn != mPluggedIn || batteryLevel != mBatteryLevel) {
468            mBatteryLevel = batteryLevel;
469            mPluggedIn = pluggedIn;
470            refreshBattery();
471        }
472    }
473
474    private void refreshBattery() {
475        if (mBatteryDisplay == null) return;
476
477        if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
478            mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
479                0, 0, android.R.drawable.ic_lock_idle_charging, 0);
480            mBatteryDisplay.setText(
481                getString(R.string.battery_charging_level, mBatteryLevel));
482            mBatteryDisplay.setVisibility(View.VISIBLE);
483        } else {
484            mBatteryDisplay.setVisibility(View.INVISIBLE);
485        }
486    }
487
488    private void refreshDate() {
489        final Date now = new Date();
490        if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
491        mDate.setText(DateFormat.format(mDateFormat, now));
492    }
493
494    private void refreshAlarm() {
495        if (mNextAlarm == null) return;
496
497        String nextAlarm = Settings.System.getString(getContentResolver(),
498                Settings.System.NEXT_ALARM_FORMATTED);
499        if (!TextUtils.isEmpty(nextAlarm)) {
500            mNextAlarm.setText(nextAlarm);
501            //mNextAlarm.setCompoundDrawablesWithIntrinsicBounds(
502            //    android.R.drawable.ic_lock_idle_alarm, 0, 0, 0);
503            mNextAlarm.setVisibility(View.VISIBLE);
504        } else {
505            mNextAlarm.setVisibility(View.INVISIBLE);
506        }
507    }
508
509    private void refreshAll() {
510        refreshDate();
511        refreshAlarm();
512        refreshBattery();
513        refreshWeather();
514    }
515
516    private void doDim(boolean fade) {
517        View tintView = findViewById(R.id.window_tint);
518        if (tintView == null) return;
519
520        Window win = getWindow();
521        WindowManager.LayoutParams winParams = win.getAttributes();
522
523        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
524        winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
525
526        // dim the wallpaper somewhat (how much is determined below)
527        winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
528
529        if (mDimmed) {
530            winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
531            winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
532
533            // show the window tint
534            tintView.startAnimation(AnimationUtils.loadAnimation(this,
535                fade ? R.anim.dim
536                     : R.anim.dim_instant));
537        } else {
538            winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
539            winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
540
541            // hide the window tint
542            tintView.startAnimation(AnimationUtils.loadAnimation(this,
543                fade ? R.anim.undim
544                     : R.anim.undim_instant));
545        }
546
547        win.setAttributes(winParams);
548    }
549
550    @Override
551    public void onNewIntent(Intent newIntent) {
552        super.onNewIntent(newIntent);
553        if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
554
555        // update our intent so that we can consult it to determine whether or
556        // not the most recent launch was via a dock event
557        setIntent(newIntent);
558    }
559
560    @Override
561    public void onResume() {
562        super.onResume();
563        if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
564
565        // reload the date format in case the user has changed settings
566        // recently
567        mDateFormat = getString(com.android.internal.R.string.full_wday_month_day_no_year);
568
569        IntentFilter filter = new IntentFilter();
570        filter.addAction(Intent.ACTION_DATE_CHANGED);
571        filter.addAction(Intent.ACTION_BATTERY_CHANGED);
572        filter.addAction(Intent.ACTION_DOCK_EVENT);
573        filter.addAction(ACTION_MIDNIGHT);
574        registerReceiver(mIntentReceiver, filter);
575
576        // Listen for updates to weather data
577        Uri weatherNotificationUri = new Uri.Builder()
578            .scheme(android.content.ContentResolver.SCHEME_CONTENT)
579            .authority(WEATHER_CONTENT_AUTHORITY)
580            .path(WEATHER_CONTENT_PATH)
581            .build();
582        getContentResolver().registerContentObserver(
583            weatherNotificationUri, true, mContentObserver);
584
585        // Elaborate mechanism to find out when the day rolls over
586        Calendar today = Calendar.getInstance();
587        today.set(Calendar.HOUR_OF_DAY, 0);
588        today.set(Calendar.MINUTE, 0);
589        today.set(Calendar.SECOND, 0);
590        today.add(Calendar.DATE, 1);
591        long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
592        mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
593        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
594        am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
595        if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
596            + alarmTimeUTC + " repeating every "
597            + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
598
599        // If we weren't previously visible but now we are, it's because we're
600        // being started from another activity. So it's OK to un-dim.
601        if (mTime != null && mTime.getWindowVisibility() != View.VISIBLE) {
602            mDimmed = false;
603        }
604
605        // Adjust the display to reflect the currently chosen dim mode.
606        doDim(false);
607
608        restoreScreen(); // disable screen saver
609        refreshAll(); // will schedule periodic weather fetch
610
611        setWakeLock(mPluggedIn);
612
613        scheduleScreenSaver();
614
615        final boolean launchedFromDock
616            = getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
617
618        if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
619            // policy: fetch weather if launched via dock connection
620            if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
621            requestWeatherDataFetch();
622        }
623
624        mLaunchedFromDock = launchedFromDock;
625    }
626
627    @Override
628    public void onPause() {
629        if (DEBUG) Log.d(LOG_TAG, "onPause");
630
631        // Turn off the screen saver and cancel any pending timeouts.
632        // (But don't un-dim.)
633        mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
634        restoreScreen();
635
636        // Other things we don't want to be doing in the background.
637        unregisterReceiver(mIntentReceiver);
638        getContentResolver().unregisterContentObserver(mContentObserver);
639
640        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
641        am.cancel(mMidnightIntent);
642        unscheduleWeatherQuery();
643
644        super.onPause();
645    }
646
647    private void initViews() {
648        // give up any internal focus before we switch layouts
649        final View focused = getCurrentFocus();
650        if (focused != null) focused.clearFocus();
651
652        setContentView(R.layout.desk_clock);
653
654        mTime = (DigitalClock) findViewById(R.id.time);
655        mDate = (TextView) findViewById(R.id.date);
656        mBatteryDisplay = (TextView) findViewById(R.id.battery);
657
658        mTime.getRootView().requestFocus();
659
660        mWeatherCurrentTemperature = (TextView) findViewById(R.id.weather_temperature);
661        mWeatherHighTemperature = (TextView) findViewById(R.id.weather_high_temperature);
662        mWeatherLowTemperature = (TextView) findViewById(R.id.weather_low_temperature);
663        mWeatherLocation = (TextView) findViewById(R.id.weather_location);
664        mWeatherIcon = (ImageView) findViewById(R.id.weather_icon);
665
666        final View.OnClickListener alarmClickListener = new View.OnClickListener() {
667            public void onClick(View v) {
668                startActivity(new Intent(DeskClock.this, AlarmClock.class));
669            }
670        };
671
672        mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
673        mNextAlarm.setOnClickListener(alarmClickListener);
674
675        final ImageButton alarmButton = (ImageButton) findViewById(R.id.alarm_button);
676        alarmButton.setOnClickListener(alarmClickListener);
677
678        final ImageButton galleryButton = (ImageButton) findViewById(R.id.gallery_button);
679        galleryButton.setOnClickListener(new View.OnClickListener() {
680            public void onClick(View v) {
681                try {
682                    startActivity(new Intent(
683                        Intent.ACTION_VIEW,
684                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
685                            .putExtra("slideshow", true)
686                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP));
687                } catch (android.content.ActivityNotFoundException e) {
688                    Log.e(LOG_TAG, "Couldn't launch image browser", e);
689                }
690            }
691        });
692
693        final ImageButton musicButton = (ImageButton) findViewById(R.id.music_button);
694        musicButton.setOnClickListener(new View.OnClickListener() {
695            public void onClick(View v) {
696                try {
697                    Intent musicAppQuery = getPackageManager()
698                        .getLaunchIntentForPackage(MUSIC_PACKAGE_ID)
699                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
700                    if (musicAppQuery != null) {
701                        startActivity(musicAppQuery);
702                    }
703                } catch (android.content.ActivityNotFoundException e) {
704                    Log.e(LOG_TAG, "Couldn't launch music browser", e);
705                }
706            }
707        });
708
709        final ImageButton homeButton = (ImageButton) findViewById(R.id.home_button);
710        homeButton.setOnClickListener(new View.OnClickListener() {
711            public void onClick(View v) {
712                startActivity(
713                    new Intent(Intent.ACTION_MAIN)
714                        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP)
715                        .addCategory(Intent.CATEGORY_HOME));
716            }
717        });
718
719        final ImageButton nightmodeButton = (ImageButton) findViewById(R.id.nightmode_button);
720        nightmodeButton.setOnClickListener(new View.OnClickListener() {
721            public void onClick(View v) {
722                mDimmed = ! mDimmed;
723                doDim(true);
724            }
725        });
726
727        nightmodeButton.setOnLongClickListener(new View.OnLongClickListener() {
728            public boolean onLongClick(View v) {
729                saveScreen();
730                return true;
731            }
732        });
733
734        final View weatherView = findViewById(R.id.weather);
735        weatherView.setOnClickListener(new View.OnClickListener() {
736            public void onClick(View v) {
737                if (!supportsWeather()) return;
738
739                Intent genieAppQuery = getPackageManager()
740                    .getLaunchIntentForPackage(GENIE_PACKAGE_ID)
741                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TOP);
742                if (genieAppQuery != null) {
743                    startActivity(genieAppQuery);
744                }
745            }
746        });
747
748        final View tintView = findViewById(R.id.window_tint);
749        tintView.setOnTouchListener(new View.OnTouchListener() {
750            public boolean onTouch(View v, MotionEvent event) {
751                if (mDimmed && event.getAction() == MotionEvent.ACTION_DOWN) {
752                    // We want to un-dim the whole screen on tap.
753                    // ...Unless the user is specifically tapping on the dim
754                    // widget, in which case let it do the work.
755                    Rect r = new Rect();
756                    nightmodeButton.getHitRect(r);
757                    int[] gloc = new int[2];
758                    nightmodeButton.getLocationInWindow(gloc);
759                    r.offsetTo(gloc[0], gloc[1]); // convert to window coords
760
761                    if (!r.contains((int) event.getX(), (int) event.getY())) {
762                        mDimmed = false;
763                        doDim(true);
764                    }
765                }
766                return false; // always pass the click through
767            }
768        });
769
770        // Tidy up awkward focus behavior: the first view to be focused in
771        // trackball mode should be the alarms button
772        final ViewTreeObserver vto = alarmButton.getViewTreeObserver();
773        vto.addOnGlobalFocusChangeListener(new ViewTreeObserver.OnGlobalFocusChangeListener() {
774            public void onGlobalFocusChanged(View oldFocus, View newFocus) {
775                if (oldFocus == null && newFocus == nightmodeButton) {
776                    alarmButton.requestFocus();
777                }
778            }
779        });
780    }
781
782    @Override
783    public void onConfigurationChanged(Configuration newConfig) {
784        super.onConfigurationChanged(newConfig);
785        if (mScreenSaverMode) {
786            moveScreenSaver();
787        } else {
788            initViews();
789            doDim(false);
790            refreshAll();
791        }
792    }
793
794    @Override
795    public boolean onOptionsItemSelected(MenuItem item) {
796        if (item.getItemId() == R.id.menu_item_alarms) {
797            startActivity(new Intent(DeskClock.this, AlarmClock.class));
798            return true;
799        } else if (item.getItemId() == R.id.menu_item_add_alarm) {
800            AlarmClock.addNewAlarm(this);
801            return true;
802        }
803        return false;
804    }
805
806    @Override
807    public boolean onCreateOptionsMenu(Menu menu) {
808        MenuInflater inflater = getMenuInflater();
809        inflater.inflate(R.menu.desk_clock_menu, menu);
810        return true;
811    }
812
813    @Override
814    protected void onCreate(Bundle icicle) {
815        super.onCreate(icicle);
816
817        mRNG = new Random();
818
819        try {
820            mGenieResources = getPackageManager().getResourcesForApplication(GENIE_PACKAGE_ID);
821        } catch (PackageManager.NameNotFoundException e) {
822            // no weather info available
823            Log.w(LOG_TAG, "Can't find "+GENIE_PACKAGE_ID+". Weather forecast will not be available.");
824        }
825
826        initViews();
827    }
828
829}
830