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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_DATA_SINK_RECEIVER_H_ | 5 #ifndef DEVICE_SERIAL_DATA_SINK_RECEIVER_H_ |
| 6 #define DEVICE_SERIAL_DATA_SINK_RECEIVER_H_ | 6 #define DEVICE_SERIAL_DATA_SINK_RECEIVER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> |
| 10 #include <queue> | 11 #include <queue> |
| 11 | 12 |
| 12 #include "base/callback.h" | 13 #include "base/callback.h" |
| 13 #include "base/macros.h" | 14 #include "base/macros.h" |
| 14 #include "base/memory/linked_ptr.h" | 15 #include "base/memory/linked_ptr.h" |
| 15 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
| 16 #include "base/memory/weak_ptr.h" | 17 #include "base/memory/weak_ptr.h" |
| 17 #include "device/serial/buffer.h" | 18 #include "device/serial/buffer.h" |
| 18 #include "device/serial/data_stream.mojom.h" | 19 #include "device/serial/data_stream.mojom.h" |
| 19 #include "mojo/public/cpp/bindings/binding.h" | 20 #include "mojo/public/cpp/bindings/binding.h" |
| 20 #include "mojo/public/cpp/system/data_pipe.h" | 21 #include "mojo/public/cpp/system/data_pipe.h" |
| 21 | 22 |
| 22 namespace device { | 23 namespace device { |
| 23 | 24 |
| 24 class DataSinkReceiver : public base::RefCounted<DataSinkReceiver>, | 25 class DataSinkReceiver : public base::RefCounted<DataSinkReceiver>, |
| 25 public serial::DataSink { | 26 public serial::DataSink { |
| 26 public: | 27 public: |
| 27 typedef base::Callback<void(scoped_ptr<ReadOnlyBuffer>)> ReadyCallback; | 28 typedef base::Callback<void(std::unique_ptr<ReadOnlyBuffer>)> ReadyCallback; |
| 28 typedef base::Callback<void(int32_t error)> CancelCallback; | 29 typedef base::Callback<void(int32_t error)> CancelCallback; |
| 29 typedef base::Callback<void()> ErrorCallback; | 30 typedef base::Callback<void()> ErrorCallback; |
| 30 | 31 |
| 31 // Constructs a DataSinkReceiver. Whenever the pipe is ready for reading, the | 32 // Constructs a DataSinkReceiver. Whenever the pipe is ready for reading, the |
| 32 // |ready_callback| will be called with the ReadOnlyBuffer to read. | 33 // |ready_callback| will be called with the ReadOnlyBuffer to read. |
| 33 // |ready_callback| will not be called again until the previous ReadOnlyBuffer | 34 // |ready_callback| will not be called again until the previous ReadOnlyBuffer |
| 34 // is destroyed. If a connection error occurs, |error_callback| will be called | 35 // is destroyed. If a connection error occurs, |error_callback| will be called |
| 35 // and the DataSinkReceiver will act as if ShutDown() had been called. If | 36 // and the DataSinkReceiver will act as if ShutDown() had been called. If |
| 36 // |cancel_callback| is valid, it will be called when the DataSink client | 37 // |cancel_callback| is valid, it will be called when the DataSink client |
| 37 // requests cancellation of the in-progress read. | 38 // requests cancellation of the in-progress read. |
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| 104 bool shut_down_; | 105 bool shut_down_; |
| 105 | 106 |
| 106 base::WeakPtrFactory<DataSinkReceiver> weak_factory_; | 107 base::WeakPtrFactory<DataSinkReceiver> weak_factory_; |
| 107 | 108 |
| 108 DISALLOW_COPY_AND_ASSIGN(DataSinkReceiver); | 109 DISALLOW_COPY_AND_ASSIGN(DataSinkReceiver); |
| 109 }; | 110 }; |
| 110 | 111 |
| 111 } // namespace device | 112 } // namespace device |
| 112 | 113 |
| 113 #endif // DEVICE_SERIAL_DATA_SINK_RECEIVER_H_ | 114 #endif // DEVICE_SERIAL_DATA_SINK_RECEIVER_H_ |
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