| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "device/gamepad/switch_pro_controller_linux.h" |
| |
| #include "base/posix/eintr_wrapper.h" |
| #include "device/gamepad/gamepad_standard_mappings.h" |
| |
| namespace device { |
| |
| SwitchProControllerLinux::SwitchProControllerLinux(int fd) : fd_(fd) {} |
| |
| SwitchProControllerLinux::~SwitchProControllerLinux() = default; |
| |
| size_t SwitchProControllerLinux::ReadInputReport(void* report) { |
| DCHECK(report); |
| ssize_t bytes_read = HANDLE_EINTR(read(fd_, report, kReportSize)); |
| return bytes_read < 0 ? 0 : static_cast<size_t>(bytes_read); |
| } |
| |
| size_t SwitchProControllerLinux::WriteOutputReport(void* report, |
| size_t report_length) { |
| DCHECK(report); |
| DCHECK_GE(report_length, 1U); |
| ssize_t bytes_written = HANDLE_EINTR(write(fd_, report, report_length)); |
| return bytes_written < 0 ? 0 : static_cast<size_t>(bytes_written); |
| } |
| |
| } // namespace device |