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

76 строки
2.4 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 StereoPannerNode_h_
#define StereoPannerNode_h_
#include "AudioNode.h"
#include "nsPrintfCString.h"
#include "mozilla/dom/StereoPannerNodeBinding.h"
namespace mozilla {
namespace dom {
class AudioContext;
struct StereoPannerOptions;
class StereoPannerNode final : public AudioNode {
public:
static already_AddRefed<StereoPannerNode> Create(
AudioContext& aAudioContext, const StereoPannerOptions& aOptions,
ErrorResult& aRv);
MOZ_DECLARE_REFCOUNTED_TYPENAME(StereoPannerNode)
static already_AddRefed<StereoPannerNode> Constructor(
const GlobalObject& aGlobal, AudioContext& aAudioContext,
const StereoPannerOptions& aOptions, ErrorResult& aRv) {
return Create(aAudioContext, aOptions, aRv);
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
virtual void SetChannelCount(uint32_t aChannelCount,
ErrorResult& aRv) override {
if (aChannelCount > 2) {
aRv.ThrowNotSupportedError(
nsPrintfCString("%u is greater than 2", aChannelCount));
return;
}
AudioNode::SetChannelCount(aChannelCount, aRv);
}
virtual void SetChannelCountModeValue(ChannelCountMode aMode,
ErrorResult& aRv) override {
if (aMode == ChannelCountMode::Max) {
aRv.ThrowNotSupportedError("Cannot set channel count mode to \"max\"");
return;
}
AudioNode::SetChannelCountModeValue(aMode, aRv);
}
AudioParam* Pan() const { return mPan; }
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(StereoPannerNode, AudioNode)
virtual const char* NodeType() const override { return "StereoPannerNode"; }
virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
private:
explicit StereoPannerNode(AudioContext* aContext);
~StereoPannerNode() = default;
RefPtr<AudioParam> mPan;
};
} // namespace dom
} // namespace mozilla
#endif