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 #include "host/libs/screen_connector/wayland_screen_connector.h"
18 
19 #include <unistd.h>
20 #include <fcntl.h>
21 
22 #include <future>
23 
24 #include <android-base/logging.h>
25 
26 #include "host/libs/wayland/wayland_server.h"
27 
28 namespace cuttlefish {
29 
WaylandScreenConnector(int frames_fd)30 WaylandScreenConnector::WaylandScreenConnector(int frames_fd) {
31   int wayland_fd = fcntl(frames_fd, F_DUPFD_CLOEXEC, 3);
32   CHECK(wayland_fd != -1) << "Unable to dup server, errno " << errno;
33   close(frames_fd);
34 
35   server_.reset(new wayland::WaylandServer(wayland_fd));
36 }
37 
OnFrameAfter(std::uint32_t frame_number,const FrameCallback & frame_callback)38 bool WaylandScreenConnector::OnFrameAfter(
39     std::uint32_t frame_number, const FrameCallback& frame_callback) {
40   std::future<void> frame_callback_completed_future =
41       server_->OnFrameAfter(frame_number, frame_callback);
42 
43   frame_callback_completed_future.get();
44 
45   return true;
46 }
47 
48 }  // namespace cuttlefish