DigitalWidgetViewsFactory.java revision 3bb9d29c12584480f3651ccbef86f2777c0b7818 
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.Context;
21import android.content.Intent;
22import android.text.format.DateFormat;
23import android.util.Log;
24import android.util.TypedValue;
25import android.view.View;
26import android.widget.RemoteViews;
27import android.widget.RemoteViewsService.RemoteViewsFactory;
28
29import com.android.deskclock.R;
30import com.android.deskclock.Utils;
31import com.android.deskclock.worldclock.CityObj;
32import com.android.deskclock.worldclock.WorldClockAdapter;
33
34import java.util.Calendar;
35import java.util.Locale;
36import java.util.TimeZone;
37
38public class DigitalWidgetViewsFactory implements RemoteViewsFactory {
39    private static final String TAG = "DigitalWidgetViewsFactory";
40
41    private Context mContext;
42    private int mId = AppWidgetManager.INVALID_APPWIDGET_ID;
43    private RemoteWorldClockAdapter mAdapter;
44    private float mFontScale = 1;
45
46    // An adapter to provide the view for the list of cities in the world clock.
47    private class RemoteWorldClockAdapter extends WorldClockAdapter {
48        private final float mFontSize;
49        private final float mFont24Size;
50
51        public RemoteWorldClockAdapter(Context context) {
52            super(context);
53            mFontSize = context.getResources().getDimension(R.dimen.widget_medium_font_size);
54            mFont24Size = context.getResources().getDimension(R.dimen.widget_24_medium_font_size);
55        }
56
57        public RemoteViews getViewAt(int position) {
58            // There are 2 cities per item
59            int index = position * 2;
60            if (index < 0 || index >= mCitiesList.length) {
61                return null;
62            }
63
64            RemoteViews views = new RemoteViews(
65                    mContext.getPackageName(), R.layout.world_clock_remote_list_item);
66
67            // Always how the left clock
68            updateView(views, (CityObj) mCitiesList[index], R.id.leftClock1, R.id.leftClock2,
69                    R.id.city_name_left, R.id.city_day_left);
70            // Show the right clock if any, make it invisible if there is no
71            // clock on the right
72            // to keep the left view on the left.
73            if (index + 1 < mCitiesList.length) {
74                updateView(views, (CityObj) mCitiesList[index + 1], R.id.rightClock1,
75                        R.id.rightClock2, R.id.city_name_right, R.id.city_day_right);
76            } else {
77                hideView(views, R.id.rightClock1, R.id.rightClock2, R.id.city_name_right,
78                        R.id.city_day_right);
79            }
80
81            // Hide last spacer if last row
82            int lastRow = ((mCitiesList.length + 1) / 2) - 1;
83            if (position == lastRow) {
84                views.setViewVisibility(R.id.city_spacer, View.GONE);
85            } else {
86                views.setViewVisibility(R.id.city_spacer, View.VISIBLE);
87            }
88
89            return views;
90        }
91
92        private void updateView(RemoteViews clock, CityObj cityObj, int clockId1, int clockId2,
93                int labelId, int dayId) {
94            final Calendar now = Calendar.getInstance();
95            now.setTimeInMillis(System.currentTimeMillis());
96            int myDayOfWeek = now.get(Calendar.DAY_OF_WEEK);
97            CityObj cityInDb = mCitiesDb.get(cityObj.mCityId);
98            String cityTZ = (cityInDb != null) ? cityInDb.mTimeZone : cityObj.mTimeZone;
99            now.setTimeZone(TimeZone.getTimeZone(cityTZ));
100            int cityDayOfWeek = now.get(Calendar.DAY_OF_WEEK);
101
102            float fontSize = mFontScale * (DateFormat.is24HourFormat(mContext)
103                    ? mFont24Size : mFontSize);
104            clock.setTextViewTextSize(clockId1, TypedValue.COMPLEX_UNIT_PX, fontSize * mFontScale);
105            clock.setTextViewTextSize(clockId2, TypedValue.COMPLEX_UNIT_PX, fontSize * mFontScale);
106            clock.setString(clockId1, "setTimeZone", cityObj.mTimeZone);
107            clock.setString(clockId2, "setTimeZone", cityObj.mTimeZone);
108
109            // Home city or city not in DB , use data from the save selected cities list
110            clock.setTextViewText(labelId, Utils.getCityName(cityObj, cityInDb));
111
112            if (myDayOfWeek != cityDayOfWeek) {
113                clock.setTextViewText(dayId, mContext.getString(
114                        R.string.world_day_of_week_label, now.getDisplayName(
115                                Calendar.DAY_OF_WEEK, Calendar.SHORT, Locale.getDefault())));
116                clock.setViewVisibility(dayId, View.VISIBLE);
117            } else {
118                clock.setViewVisibility(dayId, View.GONE);
119            }
120
121            clock.setViewVisibility(clockId1, View.VISIBLE);
122            clock.setViewVisibility(clockId2, View.VISIBLE);
123            clock.setViewVisibility(labelId, View.VISIBLE);
124        }
125
126        private void hideView(
127                RemoteViews clock, int clockId1, int clockId2, int labelId, int dayId) {
128            clock.setViewVisibility(clockId1, View.INVISIBLE);
129            clock.setViewVisibility(clockId2, View.INVISIBLE);
130            clock.setViewVisibility(labelId, View.INVISIBLE);
131            clock.setViewVisibility(dayId, View.INVISIBLE);
132        }
133    }
134
135    public DigitalWidgetViewsFactory(Context context, Intent intent) {
136        mContext = context;
137        mId = intent.getIntExtra(
138                AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
139        mAdapter = new RemoteWorldClockAdapter(context);
140    }
141
142    @SuppressWarnings("unused")
143    public DigitalWidgetViewsFactory() {
144    }
145
146    @Override
147    public int getCount() {
148        if (WidgetUtils.showList(mContext, mId, mFontScale)) {
149            return mAdapter.getCount();
150        }
151        return 0;
152    }
153
154    @Override
155    public long getItemId(int position) {
156        return position;
157    }
158
159    @Override
160    public RemoteViews getLoadingView() {
161        return null;
162    }
163
164    @Override
165    public RemoteViews getViewAt(int position) {
166        RemoteViews v = mAdapter.getViewAt(position);
167        if (v != null) {
168            Intent fillInIntent = new Intent();
169            v.setOnClickFillInIntent(R.id.widget_item, fillInIntent);
170        }
171        return v;
172    }
173
174    @Override
175    public int getViewTypeCount() {
176        return 1;
177    }
178
179    @Override
180    public boolean hasStableIds() {
181        return true;
182    }
183
184    @Override
185    public void onCreate() {
186        if (DigitalAppWidgetService.LOGGING) {
187            Log.i(TAG, "DigitalWidget onCreate " + mId);
188        }
189    }
190
191    @Override
192    public void onDataSetChanged() {
193        mAdapter.loadData(mContext);
194        mAdapter.loadCitiesDb(mContext);
195        mAdapter.updateHomeLabel(mContext);
196
197        mFontScale = WidgetUtils.getScaleRatio(mContext, null, mId);
198    }
199
200    @Override
201    public void onDestroy() {
202        if (DigitalAppWidgetService.LOGGING) {
203            Log.i(TAG, "DigitalWidget onDestroy " + mId);
204        }
205    }
206}
207
208