services/device/serial/serial_port_impl.h

   1 // Copyright 2017 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef SERVICES_DEVICE_SERIAL_SERIAL_PORT_IMPL_H_
   6 #define SERVICES_DEVICE_SERIAL_SERIAL_PORT_IMPL_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/macros.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "services/device/public/mojom/serial.mojom.h"
  14
  15 namespace base {
  16 class SingleThreadTaskRunner;
  17 }
  18
  19 namespace device {
  20
  21 class SerialIoHandler;
  22
  23 // TODO(leonhsl): Merge this class with SerialIoHandler if/once
  24 // SerialIoHandler is exposed only via the Device Service.
  25 // crbug.com/748505
  26 // This class must be constructed and run on IO thread.
  27 class SerialPortImpl : public mojom::SerialPort {
  28  public:
  29   static void Create(
  30       const base::FilePath& path,
  31       mojom::SerialPortRequest request,
  32       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
  33
  34   SerialPortImpl(const base::FilePath& path,
  35                  scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
  36   ~SerialPortImpl() override;
  37
  38  private:
  39   // mojom::SerialPort methods:
  40   void Open(mojom::SerialConnectionOptionsPtr options,
  41             OpenCallback callback) override;
  42   void Read(uint32_t bytes, ReadCallback callback) override;
  43   void Write(const std::vector<uint8_t>& data, WriteCallback callback) override;
  44   void CancelRead(mojom::SerialReceiveError reason) override;
  45   void CancelWrite(mojom::SerialSendError reason) override;
  46   void Flush(FlushCallback callback) override;
  47   void GetControlSignals(GetControlSignalsCallback callback) override;
  48   void SetControlSignals(mojom::SerialHostControlSignalsPtr signals,
  49                          SetControlSignalsCallback callback) override;
  50   void ConfigurePort(mojom::SerialConnectionOptionsPtr options,
  51                      ConfigurePortCallback callback) override;
  52   void GetPortInfo(GetPortInfoCallback callback) override;
  53   void SetBreak(SetBreakCallback callback) override;
  54   void ClearBreak(ClearBreakCallback callback) override;
  55
  56   scoped_refptr<SerialIoHandler> io_handler_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(SerialPortImpl);
  59 };
  60
  61 }  // namespace device
  62
  63 #endif  // SERVICES_DEVICE_SERIAL_SERIAL_PORT_IMPL_H_