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