1 /*
2  * Copyright (C) 2020 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 #pragma once
18 
19 #include <android-base/unique_fd.h>
20 
21 #include <string_view>
22 
23 class DisplayLowPower {
24   public:
25     DisplayLowPower();
~DisplayLowPower()26     ~DisplayLowPower() {}
27     void Init();
28     void SetDisplayLowPower(bool enable);
29 
30   private:
31     void ConnectPpsDaemon();
32     int SendPpsCommand(const std::string_view cmd);
33     void SetFoss(bool enable);
34 
35     android::base::unique_fd mPpsSocket;
36     bool mFossStatus;
37 };
38