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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 com.android.packageinstaller.permission.model;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.text.BidiFormatter;
import android.text.TextPaint;
import android.text.TextUtils;
import com.android.packageinstaller.DeviceUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
public final class AppPermissions {
private static final float MAX_APP_LABEL_LENGTH_PIXELS = 500;
private static final TextPaint sAppLabelEllipsizePaint = new TextPaint();
static {
sAppLabelEllipsizePaint.setAntiAlias(true);
// Both text size and width are given in absolute pixels, for consistent truncation
// across devices; this value corresponds to the default 14dip size on an xdhpi device.
sAppLabelEllipsizePaint.setTextSize(42);
}
private final ArrayList<AppPermissionGroup> mGroups = new ArrayList<>();
private final LinkedHashMap<String, AppPermissionGroup> mNameToGroupMap = new LinkedHashMap<>();
private final Context mContext;
private final String[] mFilterPermissions;
private final CharSequence mAppLabel;
private final Runnable mOnErrorCallback;
private final boolean mSortGroups;
private PackageInfo mPackageInfo;
public AppPermissions(Context context, PackageInfo packageInfo, String[] permissions,
boolean sortGroups, Runnable onErrorCallback) {
mContext = context;
mPackageInfo = packageInfo;
mFilterPermissions = permissions;
mAppLabel = loadEllipsizedAppLabel(context, packageInfo);
mSortGroups = sortGroups;
mOnErrorCallback = onErrorCallback;
loadPermissionGroups();
}
public PackageInfo getPackageInfo() {
return mPackageInfo;
}
public void refresh() {
loadPackageInfo();
loadPermissionGroups();
}
public CharSequence getAppLabel() {
return mAppLabel;
}
public AppPermissionGroup getPermissionGroup(String name) {
return mNameToGroupMap.get(name);
}
public List<AppPermissionGroup> getPermissionGroups() {
return mGroups;
}
private void loadPackageInfo() {
try {
mPackageInfo = mContext.getPackageManager().getPackageInfo(
mPackageInfo.packageName, PackageManager.GET_PERMISSIONS);
} catch (PackageManager.NameNotFoundException e) {
if (mOnErrorCallback != null) {
mOnErrorCallback.run();
}
}
}
private void loadPermissionGroups() {
mGroups.clear();
if (mPackageInfo.requestedPermissions == null) {
return;
}
if (mFilterPermissions != null) {
for (String filterPermission : mFilterPermissions) {
for (String requestedPerm : mPackageInfo.requestedPermissions) {
if (!filterPermission.equals(requestedPerm)) {
continue;
}
if (hasGroupForPermission(requestedPerm)) {
break;
}
AppPermissionGroup group = AppPermissionGroup.create(mContext,
mPackageInfo, requestedPerm);
if (group == null) {
break;
}
mGroups.add(group);
break;
}
}
} else {
for (String requestedPerm : mPackageInfo.requestedPermissions) {
if (hasGroupForPermission(requestedPerm)) {
continue;
}
AppPermissionGroup group = AppPermissionGroup.create(mContext,
mPackageInfo, requestedPerm);
if (group == null) {
continue;
}
mGroups.add(group);
}
}
if (mSortGroups) {
Collections.sort(mGroups);
}
mNameToGroupMap.clear();
for (AppPermissionGroup group : mGroups) {
mNameToGroupMap.put(group.getName(), group);
}
}
private boolean hasGroupForPermission(String permission) {
for (AppPermissionGroup group : mGroups) {
if (group.hasPermission(permission)) {
return true;
}
}
return false;
}
private static CharSequence loadEllipsizedAppLabel(Context context, PackageInfo packageInfo) {
String label = packageInfo.applicationInfo.loadLabel(
context.getPackageManager()).toString();
String ellipsizedLabel = label.replace("\n", " ");
if (!DeviceUtils.isWear(context)) {
// Only ellipsize for non-Wear devices.
ellipsizedLabel = TextUtils.ellipsize(ellipsizedLabel, sAppLabelEllipsizePaint,
MAX_APP_LABEL_LENGTH_PIXELS, TextUtils.TruncateAt.END).toString();
}
return BidiFormatter.getInstance().unicodeWrap(ellipsizedLabel);
}
}
|
