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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 MIDIAccess_h
#define MIDIAccess_h
#include "bindings/v8/ScriptWrappable.h"
#include "core/dom/ActiveDOMObject.h"
#include "core/dom/EventTarget.h"
#include "core/platform/midi/MIDIAccessor.h"
#include "core/platform/midi/MIDIAccessorClient.h"
#include "modules/webmidi/MIDIInput.h"
#include "modules/webmidi/MIDIOutput.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace WebCore {
class ScriptExecutionContext;
class MIDIAccessPromise;
class MIDIAccess : public RefCounted<MIDIAccess>, public ScriptWrappable, public ActiveDOMObject, public EventTarget, public MIDIAccessorClient {
public:
virtual ~MIDIAccess();
static PassRefPtr<MIDIAccess> create(ScriptExecutionContext*, MIDIAccessPromise*);
MIDIInputVector inputs() const { return m_inputs; }
MIDIOutputVector outputs() const { return m_outputs; }
using RefCounted<MIDIAccess>::ref;
using RefCounted<MIDIAccess>::deref;
DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect);
void enableSysEx(bool enable);
// EventTarget
virtual const AtomicString& interfaceName() const OVERRIDE { return eventNames().interfaceForMIDIAccess; }
virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE { return ActiveDOMObject::scriptExecutionContext(); }
// ActiveDOMObject
virtual bool canSuspend() const OVERRIDE { return true; }
virtual void stop();
// MIDIAccessorClient
virtual void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version) OVERRIDE;
virtual void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version) OVERRIDE;
virtual void didStartSession() OVERRIDE;
virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) OVERRIDE;
private:
explicit MIDIAccess(ScriptExecutionContext*, MIDIAccessPromise*);
void startRequest();
virtual void permissionDenied();
// EventTarget
virtual void refEventTarget() OVERRIDE { ref(); }
virtual void derefEventTarget() OVERRIDE { deref(); }
virtual EventTargetData* eventTargetData() OVERRIDE { return &m_eventTargetData; }
virtual EventTargetData* ensureEventTargetData() OVERRIDE { return &m_eventTargetData; }
MIDIInputVector m_inputs;
MIDIOutputVector m_outputs;
EventTargetData m_eventTargetData;
MIDIAccessPromise* m_promise;
OwnPtr<MIDIAccessor> m_accessor;
bool m_hasAccess;
bool m_enableSysEx;
bool m_requesting;
};
} // namespace WebCore
#endif // MIDIAccess_h
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