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.deskclock.worldclock;
18
19import android.content.SharedPreferences;
20import android.util.Log;
21
22import java.util.Collection;
23import java.util.HashMap;
24import java.util.Iterator;
25
26public class Cities {
27
28    public static final String WORLDCLOCK_UPDATE_INTENT = "com.android.deskclock.worldclock.update";
29    private static final String NUMBER_OF_CITIES = "number_of_cities";
30
31    public static void saveCitiesToSharedPrefs(
32            SharedPreferences prefs, HashMap<String, CityObj> cities) {
33        SharedPreferences.Editor editor = prefs.edit();
34        editor.putInt(NUMBER_OF_CITIES, cities.size());
35        Collection<CityObj> col = cities.values();
36        Iterator<CityObj> i = col.iterator();
37        int count = 0;
38        while (i.hasNext()) {
39            CityObj c = i.next();
40            c.saveCityToSharedPrefs(editor, count);
41            count++;
42        }
43        editor.apply();
44    }
45
46    public static  HashMap<String, CityObj> readCitiesFromSharedPrefs(SharedPreferences prefs) {
47        int size = prefs.getInt(NUMBER_OF_CITIES, -1);
48        HashMap<String, CityObj> c = new HashMap<String, CityObj>();
49        if (size > 0) {
50            for (int i = 0; i < size; i++) {
51                CityObj o = new CityObj(prefs, i);
52                if (o.mCityName != null && o.mTimeZone != null) {
53                    c.put(o.mCityId, o);
54                }
55            }
56        }
57        return c;
58    }
59
60    private static void dumpCities(SharedPreferences prefs, String title) {
61        int size = prefs.getInt(NUMBER_OF_CITIES, -1);
62        Log.d("Cities", "Selected Cities List " + title);
63        Log.d("Cities", "Number of cities " + size);
64        HashMap<String, CityObj> c = new HashMap<String, CityObj>();
65        if (size > 0) {
66            for (int i = 0; i < size; i++) {
67                CityObj o = new CityObj(prefs, i);
68                if (o.mCityName != null && o.mTimeZone != null) {
69                    Log.d("Cities", "Name " + o.mCityName + " tz " + o.mTimeZone);
70                }
71            }
72        }
73    }
74}
75