gecko-dev/dom/media/webaudio/GainNode.h

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1.7 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 GainNode_h_
#define GainNode_h_
#include "AudioNode.h"
#include "AudioParam.h"
namespace mozilla {
namespace dom {
class AudioContext;
struct GainOptions;
class GainNode final : public AudioNode {
public:
static already_AddRefed<GainNode> Create(AudioContext& aAudioContext,
const GainOptions& aOptions,
ErrorResult& aRv);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(GainNode, AudioNode)
static already_AddRefed<GainNode> Constructor(const GlobalObject& aGlobal,
AudioContext& aAudioContext,
const GainOptions& aOptions,
ErrorResult& aRv) {
return Create(aAudioContext, aOptions, aRv);
}
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
AudioParam* Gain() const { return mGain; }
const char* NodeType() const override { return "GainNode"; }
size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
private:
explicit GainNode(AudioContext* aContext);
~GainNode() = default;
RefPtr<AudioParam> mGain;
};
} // namespace dom
} // namespace mozilla
#endif