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 
17 #ifndef ANDROID_SENSOR_PRIVACY_MANAGER_H
18 #define ANDROID_SENSOR_PRIVACY_MANAGER_H
19 
20 #include "android/hardware/ISensorPrivacyListener.h"
21 #include "android/hardware/ISensorPrivacyManager.h"
22 
23 #include <utils/threads.h>
24 
25 #include <unordered_map>
26 
27 // ---------------------------------------------------------------------------
28 namespace android {
29 
30 class SensorPrivacyManager
31 {
32 public:
33     enum {
34         TOGGLE_SENSOR_MICROPHONE = 1,
35         TOGGLE_SENSOR_CAMERA = 2,
36         TOGGLE_SENSOR_UNKNOWN = -1
37     };
38 
39     enum {
40         TOGGLE_TYPE_SOFTWARE = 1,
41         TOGGLE_TYPE_HARDWARE = 2,
42         TOGGLE_TYPE_UNKNOWN = -1
43     };
44 
45     enum {
46         ENABLED = 1,
47         DISABLED = 2,
48         ENABLED_EXCEPT_ALLOWLISTED_APPS = 3
49     };
50 
51     SensorPrivacyManager();
52 
53     bool supportsSensorToggle(int toggleType, int sensor);
54     void addSensorPrivacyListener(const sp<hardware::ISensorPrivacyListener>& listener);
55     status_t addToggleSensorPrivacyListener(const sp<hardware::ISensorPrivacyListener>& listener);
56     void removeSensorPrivacyListener(const sp<hardware::ISensorPrivacyListener>& listener);
57     void removeToggleSensorPrivacyListener(const sp<hardware::ISensorPrivacyListener>& listener);
58     bool isSensorPrivacyEnabled();
59     bool isToggleSensorPrivacyEnabled(int sensor);
60     bool isToggleSensorPrivacyEnabled(int toggleType, int sensor);
61     status_t isToggleSensorPrivacyEnabled(int toggleType, int sensor, bool &result);
62     int getToggleSensorPrivacyState(int toggleType, int sensor);
63     std::vector<String16> getCameraPrivacyAllowlist();
64     bool isCameraPrivacyEnabled(String16 packageName);
65 
66     status_t linkToDeath(const sp<IBinder::DeathRecipient>& recipient);
67     status_t unlinkToDeath(const sp<IBinder::DeathRecipient>& recipient);
68 
69 private:
70     Mutex mLock;
71     sp<hardware::ISensorPrivacyManager> mService;
72     sp<hardware::ISensorPrivacyManager> getService();
73 
74     std::unordered_map<int, bool> mSupportedCache;
75 };
76 
77 
78 }; // namespace android
79 // ---------------------------------------------------------------------------
80 
81 #endif // ANDROID_SENSOR_PRIVACY_MANAGER_H
82