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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 MEDIA_MIDI_MIDI_MANAGER_H_ | 5 #ifndef MEDIA_MIDI_MIDI_MANAGER_H_ |
| 6 #define MEDIA_MIDI_MIDI_MANAGER_H_ | 6 #define MEDIA_MIDI_MIDI_MANAGER_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
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| 33 virtual ~MidiManagerClient() {} | 33 virtual ~MidiManagerClient() {} |
| 34 | 34 |
| 35 // AddInputPort() and AddOutputPort() are called before CompleteStartSession() | 35 // AddInputPort() and AddOutputPort() are called before CompleteStartSession() |
| 36 // is called to notify existing MIDI ports, and also called after that to | 36 // is called to notify existing MIDI ports, and also called after that to |
| 37 // notify new MIDI ports are added. | 37 // notify new MIDI ports are added. |
| 38 virtual void AddInputPort(const MidiPortInfo& info) = 0; | 38 virtual void AddInputPort(const MidiPortInfo& info) = 0; |
| 39 virtual void AddOutputPort(const MidiPortInfo& info) = 0; | 39 virtual void AddOutputPort(const MidiPortInfo& info) = 0; |
| 40 | 40 |
| 41 // SetInputPortState() and SetOutputPortState() are called to notify a known | 41 // SetInputPortState() and SetOutputPortState() are called to notify a known |
| 42 // device gets disconnected, or connected again. | 42 // device gets disconnected, or connected again. |
| 43 virtual void SetInputPortState(uint32_t port_index, MidiPortState state) = 0; | 43 virtual void SetInputPortState(uint32_t port_index, |
| 44 virtual void SetOutputPortState(uint32_t port_index, MidiPortState state) = 0; | 44 mojom::PortState state) = 0; |
| 45 virtual void SetOutputPortState(uint32_t port_index, |
| 46 mojom::PortState state) = 0; |
| 45 | 47 |
| 46 // CompleteStartSession() is called when platform dependent preparation is | 48 // CompleteStartSession() is called when platform dependent preparation is |
| 47 // finished. | 49 // finished. |
| 48 virtual void CompleteStartSession(mojom::Result result) = 0; | 50 virtual void CompleteStartSession(mojom::Result result) = 0; |
| 49 | 51 |
| 50 // ReceiveMidiData() is called when MIDI data has been received from the | 52 // ReceiveMidiData() is called when MIDI data has been received from the |
| 51 // MIDI system. | 53 // MIDI system. |
| 52 // |port_index| represents the specific input port from input_ports(). | 54 // |port_index| represents the specific input port from input_ports(). |
| 53 // |data| represents a series of bytes encoding one or more MIDI messages. | 55 // |data| represents a series of bytes encoding one or more MIDI messages. |
| 54 // |length| is the number of bytes in |data|. | 56 // |length| is the number of bytes in |data|. |
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| 138 virtual void Finalize() {} | 140 virtual void Finalize() {} |
| 139 | 141 |
| 140 // Called from a platform dependent implementation of StartInitialization(). | 142 // Called from a platform dependent implementation of StartInitialization(). |
| 141 // It invokes CompleteInitializationInternal() on the thread that calls | 143 // It invokes CompleteInitializationInternal() on the thread that calls |
| 142 // StartSession() and distributes |result| to MIDIManagerClient objects in | 144 // StartSession() and distributes |result| to MIDIManagerClient objects in |
| 143 // |pending_clients_|. | 145 // |pending_clients_|. |
| 144 void CompleteInitialization(mojom::Result result); | 146 void CompleteInitialization(mojom::Result result); |
| 145 | 147 |
| 146 void AddInputPort(const MidiPortInfo& info); | 148 void AddInputPort(const MidiPortInfo& info); |
| 147 void AddOutputPort(const MidiPortInfo& info); | 149 void AddOutputPort(const MidiPortInfo& info); |
| 148 void SetInputPortState(uint32_t port_index, MidiPortState state); | 150 void SetInputPortState(uint32_t port_index, mojom::PortState state); |
| 149 void SetOutputPortState(uint32_t port_index, MidiPortState state); | 151 void SetOutputPortState(uint32_t port_index, mojom::PortState state); |
| 150 | 152 |
| 151 // Dispatches to all clients. | 153 // Dispatches to all clients. |
| 152 // TODO(toyoshim): Fix the mac implementation to use | 154 // TODO(toyoshim): Fix the mac implementation to use |
| 153 // |ReceiveMidiData(..., base::TimeTicks)|. | 155 // |ReceiveMidiData(..., base::TimeTicks)|. |
| 154 void ReceiveMidiData(uint32_t port_index, | 156 void ReceiveMidiData(uint32_t port_index, |
| 155 const uint8_t* data, | 157 const uint8_t* data, |
| 156 size_t length, | 158 size_t length, |
| 157 double timestamp); | 159 double timestamp); |
| 158 | 160 |
| 159 void ReceiveMidiData(uint32_t port_index, | 161 void ReceiveMidiData(uint32_t port_index, |
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| 206 // |session_thread_runner_|, |initialized_|, |finalize_|, |result_|, | 208 // |session_thread_runner_|, |initialized_|, |finalize_|, |result_|, |
| 207 // |input_ports_| and |output_ports_|. | 209 // |input_ports_| and |output_ports_|. |
| 208 base::Lock lock_; | 210 base::Lock lock_; |
| 209 | 211 |
| 210 DISALLOW_COPY_AND_ASSIGN(MidiManager); | 212 DISALLOW_COPY_AND_ASSIGN(MidiManager); |
| 211 }; | 213 }; |
| 212 | 214 |
| 213 } // namespace midi | 215 } // namespace midi |
| 214 | 216 |
| 215 #endif // MEDIA_MIDI_MIDI_MANAGER_H_ | 217 #endif // MEDIA_MIDI_MIDI_MANAGER_H_ |
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