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
179
180
|
/*
* Copyright (C) 2022 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.settingslib.utils;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import androidx.annotation.Nullable;
import java.util.List;
/**
* Utility class for find out when to show WorkPolicyInfo
*/
public class WorkPolicyUtils {
private final Context mContext;
private final PackageManager mPackageManager;
private final UserManager mUserManager;
private final DevicePolicyManager mDevicePolicyManager;
private static final int USER_NULL = -10000;
public WorkPolicyUtils(
Context context
) {
mContext = context;
mPackageManager = context.getPackageManager();
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
mDevicePolicyManager =
(DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
}
/**
* Returns {@code true} if it is possilbe to resolve an Intent to launch the "Your work policy
* info" page provided by the active Device Owner or Profile Owner app if it exists, {@code
* false} otherwise.
*/
public boolean hasWorkPolicy() {
return getWorkPolicyInfoIntentDO() != null || getWorkPolicyInfoIntentPO() != null;
}
/**
* Launches the Device Owner or Profile Owner's activity that displays the "Your work policy
* info" page. Returns {@code true} if the activity has indeed been launched.
*/
public boolean showWorkPolicyInfo(Context activityContext) {
Intent intent = getWorkPolicyInfoIntentDO();
if (intent != null) {
activityContext.startActivity(intent);
return true;
}
intent = getWorkPolicyInfoIntentPO();
final int userId = getManagedProfileUserId();
if (intent != null && userId != USER_NULL) {
activityContext.startActivityAsUser(intent, UserHandle.of(userId));
return true;
}
return false;
}
/**
* Returns the work policy info intent if the device owner component exists,
* and returns {@code null} otherwise
*/
@Nullable
public Intent getWorkPolicyInfoIntentDO() {
final ComponentName ownerComponent = getDeviceOwnerComponent();
if (ownerComponent == null) {
return null;
}
// Only search for the required action in the Device Owner's package
final Intent intent =
new Intent(Settings.ACTION_SHOW_WORK_POLICY_INFO)
.setPackage(ownerComponent.getPackageName());
final List<ResolveInfo> activities = mPackageManager.queryIntentActivities(intent, 0);
if (activities.size() != 0) {
return intent;
}
return null;
}
@Nullable
private ComponentName getManagedProfileOwnerComponent(int managedUserId) {
if (managedUserId == USER_NULL) {
return null;
}
Context managedProfileContext;
try {
managedProfileContext =
mContext.createPackageContextAsUser(
mContext.getPackageName(), 0, UserHandle.of(managedUserId)
);
} catch (PackageManager.NameNotFoundException e) {
return null;
}
DevicePolicyManager managedProfileDevicePolicyManager =
(DevicePolicyManager)
managedProfileContext.getSystemService(Context.DEVICE_POLICY_SERVICE);
ComponentName ownerComponent = managedProfileDevicePolicyManager.getProfileOwner();
return ownerComponent;
}
/**
* Returns the work policy info intent if the profile owner component exists,
* and returns {@code null} otherwise
*/
@Nullable
public Intent getWorkPolicyInfoIntentPO() {
final int managedUserId = getManagedProfileUserId();
ComponentName ownerComponent = getManagedProfileOwnerComponent(managedUserId);
if (ownerComponent == null) {
return null;
}
// Only search for the required action in the Profile Owner's package
final Intent intent =
new Intent(Settings.ACTION_SHOW_WORK_POLICY_INFO)
.setPackage(ownerComponent.getPackageName());
final List<ResolveInfo> activities =
mPackageManager.queryIntentActivitiesAsUser(
intent, 0, UserHandle.of(managedUserId));
if (activities.size() != 0) {
return intent;
}
return null;
}
@Nullable
private ComponentName getDeviceOwnerComponent() {
if (!mPackageManager.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN)) {
return null;
}
return mDevicePolicyManager.getDeviceOwnerComponentOnAnyUser();
}
/**
* Returns the user id of the managed profile, and returns {@code USER_NULL} otherwise
*/
public int getManagedProfileUserId() {
List<UserHandle> allProfiles = mUserManager.getAllProfiles();
for (UserHandle uh : allProfiles) {
int id = uh.getIdentifier();
if (mUserManager.isManagedProfile(id)) {
return id;
}
}
return USER_NULL;
}
}
|
