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
|
/*
* Copyright (C) 2017 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.settings.webview;
import static android.provider.Settings.ACTION_WEBVIEW_SETTINGS;
import android.app.Activity;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageItemInfo;
import android.content.pm.PackageManager;
import android.text.TextUtils;
import android.webkit.UserPackage;
import androidx.annotation.VisibleForTesting;
import com.android.settings.R;
import com.android.settings.applications.defaultapps.DefaultAppPickerFragment;
import com.android.settingslib.applications.DefaultAppInfo;
import java.util.ArrayList;
import java.util.List;
public class WebViewAppPicker extends DefaultAppPickerFragment {
private WebViewUpdateServiceWrapper mWebViewUpdateServiceWrapper;
private WebViewUpdateServiceWrapper getWebViewUpdateServiceWrapper() {
if (mWebViewUpdateServiceWrapper == null) {
setWebViewUpdateServiceWrapper(createDefaultWebViewUpdateServiceWrapper());
}
return mWebViewUpdateServiceWrapper;
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (!mUserManager.isAdminUser()) {
getActivity().finish();
}
}
@Override
protected int getPreferenceScreenResId() {
return R.xml.webview_app_settings;
}
@Override
protected List<DefaultAppInfo> getCandidates() {
final List<DefaultAppInfo> packageInfoList = new ArrayList<DefaultAppInfo>();
final Context context = getContext();
final WebViewUpdateServiceWrapper webViewUpdateService = getWebViewUpdateServiceWrapper();
final List<ApplicationInfo> pkgs =
webViewUpdateService.getValidWebViewApplicationInfos(context);
for (ApplicationInfo ai : pkgs) {
packageInfoList.add(createDefaultAppInfo(context, mPm, ai,
getDisabledReason(webViewUpdateService, context, ai.packageName)));
}
return packageInfoList;
}
@Override
protected String getDefaultKey() {
PackageInfo currentPackage = getWebViewUpdateServiceWrapper().getCurrentWebViewPackage();
return currentPackage == null ? null : currentPackage.packageName;
}
protected boolean setDefaultKey(String key) {
boolean success = getWebViewUpdateServiceWrapper().setWebViewProvider(key);
return success;
}
@Override
protected void onSelectionPerformed(boolean success) {
if (success) {
Activity activity = getActivity();
Intent intent = activity == null ? null : activity.getIntent();
if (intent != null && ACTION_WEBVIEW_SETTINGS.equals(intent.getAction())) {
// If this was started through ACTION_WEBVIEW_SETTINGS then return once we have
// chosen a new package.
getActivity().finish();
}
} else {
getWebViewUpdateServiceWrapper().showInvalidChoiceToast(getActivity());
updateCandidates();
}
}
private WebViewUpdateServiceWrapper createDefaultWebViewUpdateServiceWrapper() {
return new WebViewUpdateServiceWrapper();
}
@VisibleForTesting
void setWebViewUpdateServiceWrapper(WebViewUpdateServiceWrapper wvusWrapper) {
mWebViewUpdateServiceWrapper = wvusWrapper;
}
@Override
public int getMetricsCategory() {
return SettingsEnums.WEBVIEW_IMPLEMENTATION;
}
private static class WebViewAppInfo extends DefaultAppInfo {
public WebViewAppInfo(Context context, PackageManager pm, int userId,
PackageItemInfo packageItemInfo, String summary, boolean enabled) {
super(context, pm, userId, packageItemInfo, summary, enabled);
}
@Override
public CharSequence loadLabel() {
String versionName = "";
try {
versionName = mPm.getPackageInfo(packageItemInfo.packageName, 0).versionName;
} catch (PackageManager.NameNotFoundException e) {
}
return String.format("%s %s", super.loadLabel(), versionName);
}
}
@VisibleForTesting
DefaultAppInfo createDefaultAppInfo(Context context, PackageManager pm,
PackageItemInfo packageItemInfo, String disabledReason) {
return new WebViewAppInfo(context, pm, mUserId, packageItemInfo, disabledReason,
TextUtils.isEmpty(disabledReason) /* enabled */);
}
/**
* Returns the reason why a package cannot be used as WebView implementation.
* This is either because of it being disabled, uninstalled, or hidden for any user.
*/
@VisibleForTesting
String getDisabledReason(WebViewUpdateServiceWrapper webviewUpdateServiceWrapper,
Context context, String packageName) {
List<UserPackage> userPackages =
webviewUpdateServiceWrapper.getPackageInfosAllUsers(context, packageName);
for (UserPackage userPackage : userPackages) {
if (!userPackage.isInstalledPackage()) {
// Package uninstalled/hidden
return context.getString(
R.string.webview_uninstalled_for_user, userPackage.getUserInfo().name);
} else if (!userPackage.isEnabledPackage()) {
// Package disabled
return context.getString(
R.string.webview_disabled_for_user, userPackage.getUserInfo().name);
}
}
return null;
}
}
|
