DigitalWidgetViewsFactory.java revision d851e8a4b134028bd12f509312d31664e4c826dd 
1/*
2 * Copyright (C) 2012 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.alarmclock;
18
19import android.appwidget.AppWidgetManager;
20import android.content.BroadcastReceiver;
21import android.content.Context;
22import android.content.Intent;
23import android.content.IntentFilter;
24import android.provider.Settings;
25import android.text.TextUtils;
26import android.text.format.DateFormat;
27import android.util.Log;
28import android.util.TypedValue;
29import android.view.View;
30import android.widget.RemoteViews;
31import android.widget.RemoteViewsService.RemoteViewsFactory;
32
33import com.android.deskclock.Alarms;
34import com.android.deskclock.R;
35import com.android.deskclock.Utils;
36import com.android.deskclock.worldclock.CityObj;
37import com.android.deskclock.worldclock.WorldClockAdapter;
38
39import java.util.Calendar;
40import java.util.Locale;
41import java.util.TimeZone;
42
43public class DigitalWidgetViewsFactory extends BroadcastReceiver implements RemoteViewsFactory {
44    private static final String TAG = "DigitalWidgetViewsFactory";
45
46    private Context mContext;
47    private int mId = AppWidgetManager.INVALID_APPWIDGET_ID;
48    private RemoteWorldClockAdapter mAdapter;
49    private boolean mReloadCitiesList = true;
50    private boolean mReloadCitiesDb = true;
51    private float mFontScale = 1;
52
53    // An adapter to provide the view for the list of cities in the world clock.
54    private class RemoteWorldClockAdapter extends WorldClockAdapter {
55        private final float mFontSize;
56
57        public RemoteWorldClockAdapter(Context context) {
58            super(context);
59            mFontSize = context.getResources().getDimension(R.dimen.widget_medium_font_size);
60        }
61
62        public RemoteViews getViewAt(int position) {
63            // There are 2 cities per item
64            int index = position * 2;
65            if (index < 0 || index >= mCitiesList.length) {
66                return null;
67            }
68
69            RemoteViews views = new RemoteViews(
70                    mContext.getPackageName(), R.layout.world_clock_remote_list_item);
71
72            // Always how the left clock
73            updateView(views, (CityObj) mCitiesList[index], R.id.leftClock1, R.id.leftClock2,
74                    R.id.city_name_left, R.id.city_day_left);
75            // Show the right clock if any, make it invisible if there is no
76            // clock on the right
77            // to keep the left view on the left.
78            if (index + 1 < mCitiesList.length) {
79                updateView(views, (CityObj) mCitiesList[index + 1], R.id.rightClock1,
80                        R.id.rightClock2, R.id.city_name_right, R.id.city_day_right);
81            } else {
82                hideView(views, R.id.rightClock1, R.id.rightClock2, R.id.city_name_right,
83                        R.id.city_day_right);
84            }
85            return views;
86        }
87
88        private void updateView(RemoteViews clock, CityObj cityObj, int clockId1, int clockId2,
89                int labelId, int dayId) {
90            final Calendar now = Calendar.getInstance();
91            now.setTimeInMillis(System.currentTimeMillis());
92            int myDayOfWeek = now.get(Calendar.DAY_OF_WEEK);
93            CityObj cityInDb = mCitiesDb.get(cityObj.mCityId);
94            String cityTZ = (cityInDb != null) ? cityInDb.mTimeZone : cityObj.mTimeZone;
95            now.setTimeZone(TimeZone.getTimeZone(cityTZ));
96            int cityDayOfWeek = now.get(Calendar.DAY_OF_WEEK);
97
98            clock.setTextViewTextSize(clockId1, TypedValue.COMPLEX_UNIT_PX, mFontSize * mFontScale);
99            clock.setTextViewTextSize(clockId2, TypedValue.COMPLEX_UNIT_PX, mFontSize * mFontScale);
100            clock.setString(clockId1, "setTimeZone", cityObj.mTimeZone);
101            clock.setString(clockId2, "setTimeZone", cityObj.mTimeZone);
102
103            // Home city or city not in DB , use data from the save selected cities list
104            clock.setTextViewText(labelId, Utils.getCityName(cityObj, cityInDb));
105
106            if (myDayOfWeek != cityDayOfWeek) {
107                clock.setTextViewText(dayId, mContext.getString(
108                        R.string.world_day_of_week_label, now.getDisplayName(
109                                Calendar.DAY_OF_WEEK, Calendar.SHORT, Locale.getDefault())));
110                clock.setViewVisibility(dayId, View.VISIBLE);
111            } else {
112                clock.setViewVisibility(dayId, View.GONE);
113            }
114
115            clock.setViewVisibility(clockId1, View.VISIBLE);
116            clock.setViewVisibility(clockId2, View.VISIBLE);
117            clock.setViewVisibility(labelId, View.VISIBLE);
118        }
119
120        private void hideView(
121                RemoteViews clock, int clockId1, int clockId2, int labelId, int dayId) {
122            clock.setViewVisibility(clockId1, View.INVISIBLE);
123            clock.setViewVisibility(clockId2, View.INVISIBLE);
124            clock.setViewVisibility(labelId, View.INVISIBLE);
125            clock.setViewVisibility(dayId, View.INVISIBLE);
126        }
127    }
128
129    public DigitalWidgetViewsFactory(Context c, Intent intent) {
130        mContext = c;
131        mId = intent.getIntExtra(
132                AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
133        mAdapter = new RemoteWorldClockAdapter(c);
134    }
135
136    public DigitalWidgetViewsFactory() {
137    }
138
139    @Override
140    public int getCount() {
141        if (WidgetUtils.showList(mContext, mId, mFontScale)) {
142            return mAdapter.getCount();
143        }
144        return 0;
145    }
146
147    @Override
148    public long getItemId(int position) {
149        return position;
150    }
151
152    @Override
153    public RemoteViews getLoadingView() {
154        return null;
155    }
156
157    @Override
158    public RemoteViews getViewAt(int position) {
159        RemoteViews v = mAdapter.getViewAt(position);
160        if (v != null) {
161            Intent fillInIntent = new Intent();
162            v.setOnClickFillInIntent(R.id.widget_item, fillInIntent);
163        }
164        return v;
165    }
166
167    @Override
168    public int getViewTypeCount() {
169        return 1;
170    }
171
172    @Override
173    public boolean hasStableIds() {
174        return true;
175    }
176
177    @Override
178    public void onCreate() {
179        // Do intent listening registration here since doing it in the manifest creates a new
180        // new factory
181        IntentFilter filter = new IntentFilter();
182        filter.addAction(Intent.ACTION_DATE_CHANGED);
183        filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
184        filter.addAction(Intent.ACTION_SCREEN_ON);
185        filter.addAction(Intent.ACTION_TIME_TICK);
186        filter.addAction(Intent.ACTION_TIME_CHANGED);
187        filter.addAction(Intent.ACTION_LOCALE_CHANGED);
188        filter.addAction("com.android.deskclock.NEXT_ALARM_TIME_SET");
189        filter.addAction("com.android.deskclock.worldclock.update");
190        mContext.registerReceiver(this, filter);
191    }
192
193    @Override
194    public void onDataSetChanged() {
195        if (mReloadCitiesList) {
196            mAdapter.loadData(mContext);
197            mReloadCitiesList = false;
198        }
199        if (mReloadCitiesDb) {
200            mAdapter.loadCitiesDb(mContext);
201            mReloadCitiesDb = false;
202        }
203
204        mFontScale = WidgetUtils.getScaleRatio(mContext, null, mId);
205    }
206
207    @Override
208    public void onDestroy() {
209        mContext.unregisterReceiver(this);
210    }
211
212
213    @Override
214    public void onReceive(Context context, Intent intent) {
215        if (mId == AppWidgetManager.INVALID_APPWIDGET_ID) {
216            return;
217        }
218        mContext = context;
219        String action = intent.getAction();
220        AppWidgetManager widgetManager = AppWidgetManager.getInstance(context);
221        if (action.equals("com.android.deskclock.NEXT_ALARM_TIME_SET")) {
222            // Update the next alarm text view
223            RemoteViews widget =
224                    new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
225            refreshAlarm(context, widget);
226            widgetManager.partiallyUpdateAppWidget(mId, widget);
227        } else if (action.equals("com.android.deskclock.worldclock.update")) {
228            // Reload the list of cities
229            mReloadCitiesList = true;
230            widgetManager.notifyAppWidgetViewDataChanged(mId, R.id.digital_appwidget_listview);
231
232        } else if (action.equals(Intent.ACTION_SCREEN_ON)) {
233            RemoteViews widget =
234                    new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
235            refreshAlarm(context, widget);
236            widgetManager.partiallyUpdateAppWidget(mId, widget);
237        } else {
238            if (action.equals(Intent.ACTION_TIMEZONE_CHANGED)) {
239                // refresh the list to make sure home time zone is displayed / removed
240                mReloadCitiesList = true;
241            } else if (action.equals(Intent.ACTION_LOCALE_CHANGED)) {
242                // reload the cities DB to pick up the cities name in the new language
243                mReloadCitiesDb = true;
244            }
245            // For any time change or locale change, refresh all
246            widgetManager.notifyAppWidgetViewDataChanged(mId, R.id.digital_appwidget_listview);
247            RemoteViews widget =
248                    new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
249            float ratio = WidgetUtils.getScaleRatio(context, null, mId);
250            WidgetUtils.setClockSize(context, widget, ratio);
251            refreshAlarm(context, widget);
252            widgetManager.partiallyUpdateAppWidget(mId, widget);
253        }
254    }
255
256    private void refreshAlarm(Context c, RemoteViews widget) {
257        String nextAlarm = Settings.System.getString(c.getContentResolver(),
258                Settings.System.NEXT_ALARM_FORMATTED);
259        if (!TextUtils.isEmpty(nextAlarm)) {
260            widget.setTextViewText(R.id.nextAlarm,
261                    c.getString(R.string.control_set_alarm_with_existing, nextAlarm));
262            widget.setViewVisibility(R.id.nextAlarm, View.VISIBLE);
263        } else  {
264            widget.setViewVisibility(R.id.nextAlarm, View.GONE);
265        }
266    }
267}
268
269