1 /*
2  * Copyright (C) 2021 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 #pragma once
17 
18 #include <json/json.h>
19 
20 namespace cuttlefish {
21 
22 class CameraController {
23  public:
24   virtual ~CameraController() = default;
25 
26   // Handle data messages coming from the client
27   virtual void HandleMessage(const std::vector<char>& message) = 0;
28   // Handle control messages coming from the client
29   virtual void HandleMessage(const Json::Value& message) = 0;
30   // Send control messages to client
SendMessage(const Json::Value & msg)31   virtual void SendMessage(const Json::Value& msg) {
32     if (message_sender_) {
33       message_sender_(msg);
34     }
35   }
SetMessageSender(std::function<bool (const Json::Value & msg)> sender)36   virtual void SetMessageSender(
37       std::function<bool(const Json::Value& msg)> sender) {
38     message_sender_ = sender;
39   }
40 
41  protected:
42   std::function<bool(const Json::Value& msg)> message_sender_;
43 };
44 
45 }  // namespace cuttlefish
46