device/serial/serial_connection.h

   1 // Copyright 2014 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 DEVICE_SERIAL_SERIAL_CONNECTION_H_
   6 #define DEVICE_SERIAL_SERIAL_CONNECTION_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "device/serial/serial.mojom.h"
  11 #include "mojo/public/cpp/bindings/interface_impl.h"
  12
  13 namespace device {
  14
  15 class DataSinkReceiver;
  16 class DataSourceSender;
  17 class ReadOnlyBuffer;
  18 class SerialIoHandler;
  19 class WritableBuffer;
  20
  21 class SerialConnection : public mojo::InterfaceImpl<serial::Connection> {
  22  public:
  23   SerialConnection(scoped_refptr<SerialIoHandler> io_handler,
  24                    mojo::InterfaceRequest<serial::DataSink> sink,
  25                    mojo::InterfaceRequest<serial::DataSource> source);
  26   ~SerialConnection() override;
  27
  28   // mojo::InterfaceImpl<serial::Connection> overrides.
  29   void GetInfo(
  30       const mojo::Callback<void(serial::ConnectionInfoPtr)>& callback) override;
  31   void SetOptions(serial::ConnectionOptionsPtr options,
  32                   const mojo::Callback<void(bool)>& callback) override;
  33   void SetControlSignals(serial::HostControlSignalsPtr signals,
  34                          const mojo::Callback<void(bool)>& callback) override;
  35   void GetControlSignals(
  36       const mojo::Callback<void(serial::DeviceControlSignalsPtr)>& callback)
  37       override;
  38   void Flush(const mojo::Callback<void(bool)>& callback) override;
  39
  40  private:
  41   void OnSendPipeReady(scoped_ptr<ReadOnlyBuffer> buffer);
  42   void OnSendCancelled(int32_t error);
  43   void OnReceivePipeReady(scoped_ptr<WritableBuffer> buffer);
  44
  45   scoped_refptr<SerialIoHandler> io_handler_;
  46   scoped_refptr<DataSinkReceiver> receiver_;
  47   scoped_refptr<DataSourceSender> sender_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(SerialConnection);
  50 };
  51
  52 }  // namespace device
  53
  54 #endif  // DEVICE_SERIAL_SERIAL_CONNECTION_H_