1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.server.devicepolicy;
17 
18 import android.app.admin.DevicePolicyCache;
19 import android.util.SparseBooleanArray;
20 
21 import com.android.internal.annotations.GuardedBy;
22 
23 /**
24  * Implementation of {@link DevicePolicyCache}, to which {@link DevicePolicyManagerService} pushes
25  * policies.
26  *
27  * TODO Move other copies of policies into this class too.
28  */
29 public class DevicePolicyCacheImpl extends DevicePolicyCache {
30     /**
31      * Lock object. For simplicity we just always use this as the lock. We could use each object
32      * as a lock object to make it more fine-grained, but that'd make copy-paste error-prone.
33      */
34     private final Object mLock = new Object();
35 
36     @GuardedBy("mLock")
37     private final SparseBooleanArray mScreenCaptureDisabled = new SparseBooleanArray();
38 
onUserRemoved(int userHandle)39     public void onUserRemoved(int userHandle) {
40         synchronized (mLock) {
41             mScreenCaptureDisabled.delete(userHandle);
42         }
43     }
44 
45     @Override
getScreenCaptureDisabled(int userHandle)46     public boolean getScreenCaptureDisabled(int userHandle) {
47         synchronized (mLock) {
48             return mScreenCaptureDisabled.get(userHandle);
49         }
50     }
51 
setScreenCaptureDisabled(int userHandle, boolean disabled)52     public void setScreenCaptureDisabled(int userHandle, boolean disabled) {
53         synchronized (mLock) {
54             mScreenCaptureDisabled.put(userHandle, disabled);
55         }
56     }
57 }
58