зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
1.8 KiB
C++
77 строки
1.8 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 ConstantSourceNode_h_
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#define ConstantSourceNode_h_
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#include "AudioNode.h"
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#include "AudioParam.h"
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#include "mozilla/dom/ConstantSourceNodeBinding.h"
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namespace mozilla {
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namespace dom {
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class AudioContext;
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class ConstantSourceNode final : public AudioNode,
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public MainThreadMediaStreamListener
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{
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public:
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explicit ConstantSourceNode(AudioContext* aContext);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ConstantSourceNode, AudioNode)
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<ConstantSourceNode>
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Constructor(const GlobalObject& aGlobal,
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AudioContext& aContext,
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const ConstantSourceOptions& aOptions,
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ErrorResult& aRv);
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void DestroyMediaStream() override;
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uint16_t NumberOfInputs() const final override
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{
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return 0;
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}
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AudioParam* Offset() const
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{
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return mOffset;
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}
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void Start(double aWhen, ErrorResult& rv);
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void Stop(double aWhen, ErrorResult& rv);
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IMPL_EVENT_HANDLER(ended)
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void NotifyMainThreadStreamFinished() override;
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const char* NodeType() const override
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{
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return "ConstantSourceNode";
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}
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size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
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protected:
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virtual ~ConstantSourceNode();
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private:
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RefPtr<AudioParam> mOffset;
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bool mStartCalled;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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