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) 2019 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.accessibility;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.app.Activity;
import android.app.admin.DevicePolicyManager;
import android.app.settings.SettingsEnums;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.os.Bundle;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import android.view.accessibility.AccessibilityManager;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.R;
import com.android.settings.core.InstrumentedFragment;
import com.android.settings.core.SubSettingLauncher;
import com.android.settingslib.accessibility.AccessibilityUtils;
import java.util.List;
import java.util.Set;
public class AccessibilityDetailsSettingsFragment extends InstrumentedFragment {
private final static String TAG = "A11yDetailsSettings";
@Override
public int getMetricsCategory() {
return SettingsEnums.ACCESSIBILITY_DETAILS_SETTINGS;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// In case the Intent doesn't have component name, go to a11y services list.
final String extraComponentName = getActivity().getIntent().getStringExtra(
Intent.EXTRA_COMPONENT_NAME);
if (extraComponentName == null) {
Log.w(TAG, "Open accessibility services list due to no component name.");
openAccessibilitySettingsAndFinish();
return;
}
// In case the A11yServiceInfo doesn't exist, go to ally services list.
final ComponentName componentName = ComponentName.unflattenFromString(extraComponentName);
final AccessibilityServiceInfo info = getAccessibilityServiceInfo(componentName);
if (info == null) {
Log.w(TAG, "Open accessibility services list due to invalid component name.");
openAccessibilitySettingsAndFinish();
return;
}
// In case this accessibility service isn't permitted, go to a11y services list.
if (!isServiceAllowed(componentName.getPackageName())) {
Log.w(TAG,
"Open accessibility services list due to target accessibility service is "
+ "prohibited by Device Admin.");
openAccessibilitySettingsAndFinish();
return;
}
openAccessibilityDetailsSettingsAndFinish(buildArguments(info));
}
@VisibleForTesting
void openAccessibilitySettingsAndFinish() {
new SubSettingLauncher(getActivity())
.setDestination(AccessibilitySettings.class.getName())
.setSourceMetricsCategory(getMetricsCategory())
.launch();
finish();
}
@VisibleForTesting
void openAccessibilityDetailsSettingsAndFinish(Bundle arguments) {
new SubSettingLauncher(getActivity())
.setDestination(ToggleAccessibilityServicePreferenceFragment.class.getName())
.setSourceMetricsCategory(getMetricsCategory())
.setArguments(arguments)
.launch();
finish();
}
@VisibleForTesting
boolean isServiceAllowed(String packageName) {
final DevicePolicyManager dpm = getContext().getSystemService(DevicePolicyManager.class);
final List<String> permittedServices = dpm.getPermittedAccessibilityServices(
UserHandle.myUserId());
return (permittedServices == null || permittedServices.contains(packageName));
}
private AccessibilityServiceInfo getAccessibilityServiceInfo(ComponentName componentName) {
if (componentName == null) {
return null;
}
final List<AccessibilityServiceInfo> serviceInfos = AccessibilityManager.getInstance(
getActivity()).getInstalledAccessibilityServiceList();
final int serviceInfoCount = serviceInfos.size();
for (int i = 0; i < serviceInfoCount; i++) {
AccessibilityServiceInfo serviceInfo = serviceInfos.get(i);
ResolveInfo resolveInfo = serviceInfo.getResolveInfo();
if (componentName.getPackageName().equals(resolveInfo.serviceInfo.packageName)
&& componentName.getClassName().equals(resolveInfo.serviceInfo.name)) {
return serviceInfo;
}
}
return null;
}
private Bundle buildArguments(AccessibilityServiceInfo info) {
final ResolveInfo resolveInfo = info.getResolveInfo();
final String title = resolveInfo.loadLabel(getActivity().getPackageManager()).toString();
final ServiceInfo serviceInfo = resolveInfo.serviceInfo;
final String packageName = serviceInfo.packageName;
final ComponentName componentName = new ComponentName(packageName, serviceInfo.name);
final Set<ComponentName> enabledServices =
AccessibilityUtils.getEnabledServicesFromSettings(getActivity());
final boolean serviceEnabled = enabledServices.contains(componentName);
String description = info.loadDescription(getActivity().getPackageManager());
if (serviceEnabled && info.crashed) {
// Update the summaries for services that have crashed.
description = getString(R.string.accessibility_description_state_stopped);
}
final Bundle extras = new Bundle();
extras.putString(AccessibilitySettings.EXTRA_PREFERENCE_KEY,
componentName.flattenToString());
extras.putBoolean(AccessibilitySettings.EXTRA_CHECKED, serviceEnabled);
extras.putString(AccessibilitySettings.EXTRA_TITLE, title);
extras.putParcelable(AccessibilitySettings.EXTRA_RESOLVE_INFO, resolveInfo);
extras.putString(AccessibilitySettings.EXTRA_SUMMARY, description);
final String settingsClassName = info.getSettingsActivityName();
if (!TextUtils.isEmpty(settingsClassName)) {
extras.putString(AccessibilitySettings.EXTRA_SETTINGS_TITLE,
getString(R.string.accessibility_menu_item_settings));
extras.putString(AccessibilitySettings.EXTRA_SETTINGS_COMPONENT_NAME,
new ComponentName(packageName, settingsClassName).flattenToString());
}
extras.putParcelable(AccessibilitySettings.EXTRA_COMPONENT_NAME, componentName);
extras.putInt(AccessibilitySettings.EXTRA_ANIMATED_IMAGE_RES, info.getAnimatedImageRes());
final String htmlDescription = info.loadHtmlDescription(getActivity().getPackageManager());
extras.putString(AccessibilitySettings.EXTRA_HTML_DESCRIPTION, htmlDescription);
return extras;
}
private void finish() {
Activity activity = getActivity();
if (activity == null) {
return;
}
activity.finish();
}
}
|
