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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef DEVICE_SERIAL_SERIAL_IO_HANDLER_WIN_H_ | 5 #ifndef DEVICE_SERIAL_SERIAL_IO_HANDLER_WIN_H_ |
| 6 #define DEVICE_SERIAL_SERIAL_IO_HANDLER_WIN_H_ | 6 #define DEVICE_SERIAL_SERIAL_IO_HANDLER_WIN_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
| 10 #include "device/serial/serial_io_handler.h" | 10 #include "device/serial/serial_io_handler.h" |
| 11 | 11 |
| 12 namespace device { | 12 namespace device { |
| 13 | 13 |
| 14 class SerialIoHandlerWin : public SerialIoHandler, | 14 class SerialIoHandlerWin : public SerialIoHandler, |
| 15 public base::MessageLoopForIO::IOHandler { | 15 public base::MessageLoopForIO::IOHandler { |
| 16 protected: | 16 protected: |
| 17 // SerialIoHandler implementation. | 17 // SerialIoHandler implementation. |
| 18 virtual void ReadImpl() OVERRIDE; | 18 virtual void ReadImpl() override; |
| 19 virtual void WriteImpl() OVERRIDE; | 19 virtual void WriteImpl() override; |
| 20 virtual void CancelReadImpl() OVERRIDE; | 20 virtual void CancelReadImpl() override; |
| 21 virtual void CancelWriteImpl() OVERRIDE; | 21 virtual void CancelWriteImpl() override; |
| 22 virtual bool Flush() const OVERRIDE; | 22 virtual bool Flush() const override; |
| 23 virtual serial::DeviceControlSignalsPtr GetControlSignals() const OVERRIDE; | 23 virtual serial::DeviceControlSignalsPtr GetControlSignals() const override; |
| 24 virtual bool SetControlSignals( | 24 virtual bool SetControlSignals( |
| 25 const serial::HostControlSignals& control_signals) OVERRIDE; | 25 const serial::HostControlSignals& control_signals) override; |
| 26 virtual bool ConfigurePort(const serial::ConnectionOptions& options) OVERRIDE; | 26 virtual bool ConfigurePort(const serial::ConnectionOptions& options) override; |
| 27 virtual serial::ConnectionInfoPtr GetPortInfo() const OVERRIDE; | 27 virtual serial::ConnectionInfoPtr GetPortInfo() const override; |
| 28 virtual bool PostOpen() OVERRIDE; | 28 virtual bool PostOpen() override; |
| 29 | 29 |
| 30 private: | 30 private: |
| 31 friend class SerialIoHandler; | 31 friend class SerialIoHandler; |
| 32 | 32 |
| 33 explicit SerialIoHandlerWin( | 33 explicit SerialIoHandlerWin( |
| 34 scoped_refptr<base::MessageLoopProxy> file_thread_message_loop); | 34 scoped_refptr<base::MessageLoopProxy> file_thread_message_loop); |
| 35 virtual ~SerialIoHandlerWin(); | 35 virtual ~SerialIoHandlerWin(); |
| 36 | 36 |
| 37 // base::MessageLoopForIO::IOHandler implementation. | 37 // base::MessageLoopForIO::IOHandler implementation. |
| 38 virtual void OnIOCompleted(base::MessageLoopForIO::IOContext* context, | 38 virtual void OnIOCompleted(base::MessageLoopForIO::IOContext* context, |
| 39 DWORD bytes_transfered, | 39 DWORD bytes_transfered, |
| 40 DWORD error) OVERRIDE; | 40 DWORD error) override; |
| 41 | 41 |
| 42 // Context used for asynchronous WaitCommEvent calls. | 42 // Context used for asynchronous WaitCommEvent calls. |
| 43 scoped_ptr<base::MessageLoopForIO::IOContext> comm_context_; | 43 scoped_ptr<base::MessageLoopForIO::IOContext> comm_context_; |
| 44 | 44 |
| 45 // Context used for overlapped reads. | 45 // Context used for overlapped reads. |
| 46 scoped_ptr<base::MessageLoopForIO::IOContext> read_context_; | 46 scoped_ptr<base::MessageLoopForIO::IOContext> read_context_; |
| 47 | 47 |
| 48 // Context used for overlapped writes. | 48 // Context used for overlapped writes. |
| 49 scoped_ptr<base::MessageLoopForIO::IOContext> write_context_; | 49 scoped_ptr<base::MessageLoopForIO::IOContext> write_context_; |
| 50 | 50 |
| 51 // Asynchronous event mask state | 51 // Asynchronous event mask state |
| 52 DWORD event_mask_; | 52 DWORD event_mask_; |
| 53 | 53 |
| 54 // Indicates if a pending read is waiting on initial data arrival via | 54 // Indicates if a pending read is waiting on initial data arrival via |
| 55 // WaitCommEvent, as opposed to waiting on actual ReadFile completion | 55 // WaitCommEvent, as opposed to waiting on actual ReadFile completion |
| 56 // after a corresponding WaitCommEvent has completed. | 56 // after a corresponding WaitCommEvent has completed. |
| 57 bool is_comm_pending_; | 57 bool is_comm_pending_; |
| 58 | 58 |
| 59 DISALLOW_COPY_AND_ASSIGN(SerialIoHandlerWin); | 59 DISALLOW_COPY_AND_ASSIGN(SerialIoHandlerWin); |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 } // namespace device | 62 } // namespace device |
| 63 | 63 |
| 64 #endif // DEVICE_SERIAL_SERIAL_IO_HANDLER_WIN_H_ | 64 #endif // DEVICE_SERIAL_SERIAL_IO_HANDLER_WIN_H_ |
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