1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright 2014 Ankush Sachdeva
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package github.ankushsachdeva.emojicon;
import github.ankushsachdeva.emojicon.emoji.Emojicon;
import java.util.ArrayList;
import java.util.StringTokenizer;
import android.content.Context;
import android.content.SharedPreferences;
/**
* @author Daniele Ricci
*/
public class EmojiconRecentsManager extends ArrayList<Emojicon> {
private static final String PREFERENCE_NAME = "emojicon";
private static final String PREF_RECENTS = "recent_emojis";
private static final String PREF_PAGE = "recent_page";
private static final Object LOCK = new Object();
private static EmojiconRecentsManager sInstance;
private Context mContext;
private EmojiconRecentsManager(Context context) {
mContext = context.getApplicationContext();
loadRecents();
}
public static EmojiconRecentsManager getInstance(Context context) {
if (sInstance == null) {
synchronized (LOCK) {
if (sInstance == null) {
sInstance = new EmojiconRecentsManager(context);
}
}
}
return sInstance;
}
public int getRecentPage() {
return getPreferences().getInt(PREF_PAGE, 0);
}
public void setRecentPage(int page) {
getPreferences().edit().putInt(PREF_PAGE, page).commit();
}
public void push(Emojicon object) {
// FIXME totally inefficient way of adding the emoji to the adapter
// TODO this should be probably replaced by a deque
if (contains(object)) {
super.remove(object);
}
add(0, object);
}
@Override
public boolean add(Emojicon object) {
boolean ret = super.add(object);
saveRecents();
return ret;
}
@Override
public void add(int index, Emojicon object) {
super.add(index, object);
saveRecents();
}
@Override
public boolean remove(Object object) {
boolean ret = super.remove(object);
saveRecents();
return ret;
}
private SharedPreferences getPreferences() {
return mContext.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
}
private void loadRecents() {
SharedPreferences prefs = getPreferences();
String str = prefs.getString(PREF_RECENTS, "");
StringTokenizer tokenizer = new StringTokenizer(str, "~");
while (tokenizer.hasMoreTokens()) {
try {
int codepoint = Integer.parseInt(tokenizer.nextToken());
add(Emojicon.fromCodePoint(codepoint));
}
catch (NumberFormatException e) {
// ignored
}
}
}
private void saveRecents() {
StringBuilder str = new StringBuilder();
int c = size();
for (int i = 0; i < c; i++) {
Emojicon e = get(i);
str.append(e.getEmoji().codePointAt(0));
if (i < (c - 1)) {
str.append('~');
}
}
SharedPreferences prefs = getPreferences();
prefs.edit().putString(PREF_RECENTS, str.toString()).commit();
}
}
|
