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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_MIDI_MIDI_MANAGER_WIN_H_
#define MEDIA_MIDI_MIDI_MANAGER_WIN_H_
#include <vector>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread.h"
#include "base/time/time.h"
#include "media/midi/midi_manager.h"
namespace media {
class MidiServiceWinDelegate {
public:
virtual ~MidiServiceWinDelegate() {}
virtual void OnCompleteInitialization(MidiResult result) = 0;
virtual void OnAddInputPort(MidiPortInfo info) = 0;
virtual void OnAddOutputPort(MidiPortInfo info) = 0;
virtual void OnSetInputPortState(uint32 port_index, MidiPortState state) = 0;
virtual void OnSetOutputPortState(uint32 port_index, MidiPortState state) = 0;
virtual void OnReceiveMidiData(uint32 port_index,
const std::vector<uint8>& data,
base::TimeTicks time) = 0;
};
class MidiServiceWin {
public:
virtual ~MidiServiceWin() {}
// This method may return before the initialization is completed.
virtual void InitializeAsync(MidiServiceWinDelegate* delegate) = 0;
// This method may return before the specified data is actually sent.
virtual void SendMidiDataAsync(uint32 port_number,
const std::vector<uint8>& data,
base::TimeTicks time) = 0;
};
class MidiManagerWin : public MidiManager, public MidiServiceWinDelegate {
public:
MidiManagerWin() {}
virtual ~MidiManagerWin() { midi_service_.reset(); }
// MidiManager overrides:
void StartInitialization() final;
void DispatchSendMidiData(MidiManagerClient* client,
uint32 port_index,
const std::vector<uint8>& data,
double timestamp) final;
// MidiServiceWinDelegate overrides:
void OnCompleteInitialization(MidiResult result) final {
CompleteInitialization(result);
}
void OnAddInputPort(MidiPortInfo info) final { AddInputPort(info); }
void OnAddOutputPort(MidiPortInfo info) final { AddOutputPort(info); }
void OnSetInputPortState(uint32 port_index, MidiPortState state) final {
SetInputPortState(port_index, state);
}
void OnSetOutputPortState(uint32 port_index, MidiPortState state) final {
SetOutputPortState(port_index, state);
}
void OnReceiveMidiData(uint32 port_index,
const std::vector<uint8>& data,
base::TimeTicks time) final {
ReceiveMidiData(port_index, &data[0], data.size(), time);
}
private:
scoped_ptr<MidiServiceWin> midi_service_;
DISALLOW_COPY_AND_ASSIGN(MidiManagerWin);
};
} // namespace media
#endif // MEDIA_MIDI_MIDI_MANAGER_WIN_H_
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