1 /******************************************************************************
2  *
3  *  Copyright 2021 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #pragma once
20 
21 #include <bluetooth/log.h>
22 
23 #include <memory>
24 
25 namespace bluetooth {
26 namespace os {
27 namespace internal {
28 
29 // DO NOT USE OUTSIDE os/
30 // Native wakelock APIs implemented by each architecture, not public APIs
31 class WakelockNative {
32  public:
Get()33   static WakelockNative& Get() {
34     static WakelockNative instance;
35     return instance;
36   }
37   enum StatusCode : uint8_t { SUCCESS = 0, NATIVE_SERVICE_NOT_AVAILABLE = 1, NATIVE_API_ERROR = 2 };
38   void Initialize();
39   StatusCode Acquire(const std::string& lock_name);
40   StatusCode Release(const std::string& lock_name);
41   void CleanUp();
42 
43   ~WakelockNative();
44 
45  private:
46   WakelockNative();
47   struct Impl;
48   std::unique_ptr<Impl> pimpl_;
49 };
50 
51 }  // namespace internal
52 }  // namespace os
53 }  // namespace bluetooth
54 
55 namespace fmt {
56 template <>
57 struct formatter<bluetooth::os::internal::WakelockNative::StatusCode>
58     : enum_formatter<bluetooth::os::internal::WakelockNative::StatusCode> {};
59 }  // namespace fmt
60