1 /*
2 * Copyright (C) 2019 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 "host-common/AndroidAsyncMessagePipe.h"
20 #include "host-common/window_agent.h"
21 
22 namespace android {
23 class MultiDisplayPipe : public AndroidAsyncMessagePipe {
24 public:
25     class Service : public AndroidAsyncMessagePipe::Service<MultiDisplayPipe> {
26     public:
Service(const char * serviceName)27         Service(const char* serviceName)
28           : AndroidAsyncMessagePipe::Service<MultiDisplayPipe>(serviceName)
29         {}
30     };
31 
32     MultiDisplayPipe(AndroidPipe::Service* service, PipeArgs&& pipeArgs);
33     virtual ~MultiDisplayPipe();
34 
35     void onMessage(const std::vector<uint8_t>& data) override;
36     void fillData(std::vector<uint8_t>& data, uint32_t id, uint32_t w, uint32_t h,
37                   uint32_t dpi, uint32_t flag, bool add);
38     void fillData(std::vector<uint8_t>& data, uint32_t id, uint32_t w, uint32_t h,
39                   uint32_t dpi, uint32_t flag, int mode);
40     virtual void onSave(base::Stream* stream) override;
41     virtual void onLoad(base::Stream* stream) override;
42 
43     static MultiDisplayPipe* getInstance();
44     const static uint8_t ADD;
45     const static uint8_t DEL;
46     const static uint8_t QUERY;
47     const static uint8_t BIND;
48     const static uint8_t SET_DISPLAY;
49     const static uint8_t MAX_DISPLAYS;
50 
51 private:
52     Service* const mService;
53 };
54 }
55 
56 void android_init_multi_display_pipe();
57