forked from mirrors/gecko-dev
56 lines
1.9 KiB
C++
56 lines
1.9 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_midirMIDIPlatformService_h
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#define mozilla_dom_midirMIDIPlatformService_h
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#include "mozilla/StaticMutex.h"
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#include "mozilla/dom/MIDIPlatformService.h"
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#include "mozilla/dom/MIDITypes.h"
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#include "mozilla/dom/midi/midir_impl_ffi_generated.h"
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class nsIThread;
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struct MidirWrapper;
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namespace mozilla::dom {
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class MIDIPortInterface;
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/**
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* Platform service implementation using the midir crate.
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*/
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class midirMIDIPlatformService : public MIDIPlatformService {
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public:
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midirMIDIPlatformService();
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virtual void Init() override;
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virtual void Open(MIDIPortParent* aPort) override;
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virtual void Stop() override;
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virtual void ScheduleSend(const nsAString& aPort) override;
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virtual void ScheduleClose(MIDIPortParent* aPort) override;
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void SendMessage(const nsAString& aPort, const MIDIMessage& aMessage);
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private:
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virtual ~midirMIDIPlatformService();
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static void AddPort(const nsString* aId, const nsString* aName, bool aInput);
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static void CheckAndReceive(const nsString* aId, const uint8_t* aData,
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size_t aLength, const GeckoTimeStamp* aTimeStamp,
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uint64_t aMicros);
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// Wrapper around the midir Rust implementation.
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MidirWrapper* mImplementation;
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// midir has its own internal threads and we can't execute jobs directly on
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// them, instead we forward them to the background thread the service was
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// created in.
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static StaticMutex gBackgroundThreadMutex MOZ_UNANNOTATED;
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static nsCOMPtr<nsIThread> gBackgroundThread;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_midirMIDIPlatformService_h
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