mirror of
https://github.com/classilla/tenfourfox.git
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135 lines
3.5 KiB
C++
135 lines
3.5 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 AudioListener_h_
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#define AudioListener_h_
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#include "nsWrapperCache.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/Attributes.h"
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#include "nsAutoPtr.h"
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#include "ThreeDPoint.h"
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#include "AudioContext.h"
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#include "PannerNode.h"
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#include "WebAudioUtils.h"
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#include "js/TypeDecls.h"
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#include "mozilla/MemoryReporting.h"
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namespace mozilla {
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namespace dom {
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class AudioListener final : public nsWrapperCache
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{
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public:
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explicit AudioListener(AudioContext* aContext);
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioListener)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioListener)
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
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AudioContext* GetParentObject() const
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{
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return mContext;
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}
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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double DopplerFactor() const
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{
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return mDopplerFactor;
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}
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void SetDopplerFactor(double aDopplerFactor)
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{
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if (WebAudioUtils::FuzzyEqual(mDopplerFactor, aDopplerFactor)) {
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return;
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}
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mDopplerFactor = aDopplerFactor;
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SendDoubleParameterToStream(PannerNode::LISTENER_DOPPLER_FACTOR, mDopplerFactor);
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}
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double SpeedOfSound() const
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{
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return mSpeedOfSound;
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}
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void SetSpeedOfSound(double aSpeedOfSound)
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{
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if (WebAudioUtils::FuzzyEqual(mSpeedOfSound, aSpeedOfSound)) {
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return;
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}
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mSpeedOfSound = aSpeedOfSound;
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SendDoubleParameterToStream(PannerNode::LISTENER_SPEED_OF_SOUND, mSpeedOfSound);
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}
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void SetPosition(double aX, double aY, double aZ)
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{
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if (WebAudioUtils::FuzzyEqual(mPosition.x, aX) &&
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WebAudioUtils::FuzzyEqual(mPosition.y, aY) &&
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WebAudioUtils::FuzzyEqual(mPosition.z, aZ)) {
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return;
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}
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mPosition.x = aX;
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mPosition.y = aY;
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mPosition.z = aZ;
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SendThreeDPointParameterToStream(PannerNode::LISTENER_POSITION, mPosition);
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}
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const ThreeDPoint& Position() const
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{
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return mPosition;
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}
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void SetOrientation(double aX, double aY, double aZ,
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double aXUp, double aYUp, double aZUp);
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const ThreeDPoint& Velocity() const
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{
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return mVelocity;
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}
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void SetVelocity(double aX, double aY, double aZ)
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{
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if (WebAudioUtils::FuzzyEqual(mVelocity.x, aX) &&
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WebAudioUtils::FuzzyEqual(mVelocity.y, aY) &&
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WebAudioUtils::FuzzyEqual(mVelocity.z, aZ)) {
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return;
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}
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mVelocity.x = aX;
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mVelocity.y = aY;
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mVelocity.z = aZ;
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SendThreeDPointParameterToStream(PannerNode::LISTENER_VELOCITY, mVelocity);
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UpdatePannersVelocity();
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}
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void RegisterPannerNode(PannerNode* aPannerNode);
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void UnregisterPannerNode(PannerNode* aPannerNode);
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private:
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~AudioListener() {}
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void SendDoubleParameterToStream(uint32_t aIndex, double aValue);
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void SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue);
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void UpdatePannersVelocity();
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private:
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friend class PannerNode;
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RefPtr<AudioContext> mContext;
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ThreeDPoint mPosition;
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ThreeDPoint mFrontVector;
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ThreeDPoint mRightVector;
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ThreeDPoint mVelocity;
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double mDopplerFactor;
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double mSpeedOfSound;
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nsTArray<WeakPtr<PannerNode> > mPanners;
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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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