1 /*
2  * Copyright (C) 2023 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_COMPANION_VIRTUALCAMERA_PERMISSIONS_H
18 #define ANDROID_COMPANION_VIRTUALCAMERA_PERMISSIONS_H
19 
20 #include <string>
21 
22 #include "sys/types.h"
23 
24 namespace android {
25 namespace companion {
26 namespace virtualcamera {
27 
28 class PermissionsProxy {
29  public:
30   virtual ~PermissionsProxy() = default;
31 
32   // Checks whether caller holds permission. Do not use with runtime permissions
33   // as the default implementation uses PermissionCache which doesn't reflect
34   // possible runtime changes of permissions.
35   //
36   // Returns true in case caller holds the permission, false otherwise or if
37   // there was any error while verifying the permission.
38   virtual bool checkCallingPermission(const std::string& permission) const = 0;
39 
40   // Get instance of PermissionProxy.
41   static const PermissionsProxy& get();
42 };
43 
44 }  // namespace virtualcamera
45 }  // namespace companion
46 }  // namespace android
47 
48 #endif  // ANDROID_COMPANION_VIRTUALCAMERA_PERMISSIONS_H
49