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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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