gecko-dev/dom/midi/MIDIInput.h

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1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_MIDIInput_h
#define mozilla_dom_MIDIInput_h
#include "mozilla/dom/MIDIPort.h"
struct JSContext;
namespace mozilla {
namespace dom {
class MIDIPortInfo;
/**
* Represents a MIDI Input Port, handles generating incoming message events.
*
*/
class MIDIInput final : public MIDIPort
{
public:
static MIDIInput* Create(nsPIDOMWindowInner* aWindow, MIDIAccess* aMIDIAccessParent,
const MIDIPortInfo& aPortInfo, const bool aSysexEnabled);
~MIDIInput() = default;
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// Since we need to be able to open the port on event handler assignment, we
// can't use IMPL_EVENT_HANDLER. We have to implement the event handler
// functions ourselves.
// Getter for the event handler callback
EventHandlerNonNull* GetOnmidimessage();
// Setter for the event handler callback
void SetOnmidimessage(EventHandlerNonNull* aCallback);
private:
MIDIInput(nsPIDOMWindowInner* aWindow, MIDIAccess* aMIDIAccessParent);
// Takes an array of IPC MIDIMessage objects and turns them into
// MIDIMessageEvents, which it then fires.
void Receive(const nsTArray<MIDIMessage>& aMsgs) override;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MIDIInput_h