зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.6 KiB
C++
55 строки
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::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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public:
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static MIDIInput* Create(nsPIDOMWindowInner* aWindow,
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MIDIAccess* aMIDIAccessParent,
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const MIDIPortInfo& aPortInfo,
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const bool aSysexEnabled);
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~MIDIInput() = default;
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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IMPL_EVENT_HANDLER(midimessage);
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void StateChange() override;
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void EventListenerAdded(nsAtom* aType) override;
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void DisconnectFromOwner() override;
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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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void KeepAliveOnMidimessage();
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void DontKeepAliveOnMidimessage();
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// If true this object will be kept alive even without direct JS references
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bool mKeepAlive;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_MIDIInput_h
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