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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MIDIAccessor_h
#define MIDIAccessor_h
#include "media/midi/midi_service.mojom-blink.h"
#include "public/platform/modules/webmidi/WebMIDIAccessor.h"
#include "public/platform/modules/webmidi/WebMIDIAccessorClient.h"
#include "wtf/Allocator.h"
#include <memory>
namespace blink {
class MIDIAccessorClient;
class MIDIAccessor final : public WebMIDIAccessorClient {
USING_FAST_MALLOC(MIDIAccessor);
public:
static std::unique_ptr<MIDIAccessor> create(MIDIAccessorClient*);
~MIDIAccessor() override {}
void startSession();
void sendMIDIData(unsigned portIndex,
const unsigned char* data,
size_t length,
double timeStamp);
// MIDIAccessInitializer and MIDIAccess are both MIDIAccessClient.
// MIDIAccessInitializer is the first client and MIDIAccess takes over it
// once the initialization successfully finishes.
void setClient(MIDIAccessorClient* client) { m_client = client; }
// WebMIDIAccessorClient
void didAddInputPort(const WebString& id,
const WebString& manufacturer,
const WebString& name,
const WebString& version,
midi::mojom::PortState) override;
void didAddOutputPort(const WebString& id,
const WebString& manufacturer,
const WebString& name,
const WebString& version,
midi::mojom::PortState) override;
void didSetInputPortState(unsigned portIndex,
midi::mojom::PortState) override;
void didSetOutputPortState(unsigned portIndex,
midi::mojom::PortState) override;
void didStartSession(midi::mojom::Result) override;
void didReceiveMIDIData(unsigned portIndex,
const unsigned char* data,
size_t length,
double timeStamp) override;
private:
explicit MIDIAccessor(MIDIAccessorClient*);
MIDIAccessorClient* m_client;
std::unique_ptr<WebMIDIAccessor> m_accessor;
};
} // namespace blink
#endif // MIDIAccessor_h
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