1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webaudio/AudioListener.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,132 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef AudioListener_h_
1.11 +#define AudioListener_h_
1.12 +
1.13 +#include "nsWrapperCache.h"
1.14 +#include "nsCycleCollectionParticipant.h"
1.15 +#include "mozilla/Attributes.h"
1.16 +#include "nsAutoPtr.h"
1.17 +#include "ThreeDPoint.h"
1.18 +#include "AudioContext.h"
1.19 +#include "PannerNode.h"
1.20 +#include "WebAudioUtils.h"
1.21 +#include "js/TypeDecls.h"
1.22 +#include "mozilla/MemoryReporting.h"
1.23 +
1.24 +namespace mozilla {
1.25 +
1.26 +namespace dom {
1.27 +
1.28 +class AudioListener MOZ_FINAL : public nsWrapperCache
1.29 +{
1.30 +public:
1.31 + explicit AudioListener(AudioContext* aContext);
1.32 +
1.33 + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioListener)
1.34 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioListener)
1.35 +
1.36 + size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
1.37 +
1.38 + AudioContext* GetParentObject() const
1.39 + {
1.40 + return mContext;
1.41 + }
1.42 +
1.43 + virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
1.44 +
1.45 + double DopplerFactor() const
1.46 + {
1.47 + return mDopplerFactor;
1.48 + }
1.49 + void SetDopplerFactor(double aDopplerFactor)
1.50 + {
1.51 + if (WebAudioUtils::FuzzyEqual(mDopplerFactor, aDopplerFactor)) {
1.52 + return;
1.53 + }
1.54 + mDopplerFactor = aDopplerFactor;
1.55 + SendDoubleParameterToStream(PannerNode::LISTENER_DOPPLER_FACTOR, mDopplerFactor);
1.56 + }
1.57 +
1.58 + double SpeedOfSound() const
1.59 + {
1.60 + return mSpeedOfSound;
1.61 + }
1.62 + void SetSpeedOfSound(double aSpeedOfSound)
1.63 + {
1.64 + if (WebAudioUtils::FuzzyEqual(mSpeedOfSound, aSpeedOfSound)) {
1.65 + return;
1.66 + }
1.67 + mSpeedOfSound = aSpeedOfSound;
1.68 + SendDoubleParameterToStream(PannerNode::LISTENER_SPEED_OF_SOUND, mSpeedOfSound);
1.69 + }
1.70 +
1.71 + void SetPosition(double aX, double aY, double aZ)
1.72 + {
1.73 + if (WebAudioUtils::FuzzyEqual(mPosition.x, aX) &&
1.74 + WebAudioUtils::FuzzyEqual(mPosition.y, aY) &&
1.75 + WebAudioUtils::FuzzyEqual(mPosition.z, aZ)) {
1.76 + return;
1.77 + }
1.78 + mPosition.x = aX;
1.79 + mPosition.y = aY;
1.80 + mPosition.z = aZ;
1.81 + SendThreeDPointParameterToStream(PannerNode::LISTENER_POSITION, mPosition);
1.82 + }
1.83 +
1.84 + const ThreeDPoint& Position() const
1.85 + {
1.86 + return mPosition;
1.87 + }
1.88 +
1.89 + void SetOrientation(double aX, double aY, double aZ,
1.90 + double aXUp, double aYUp, double aZUp);
1.91 +
1.92 + const ThreeDPoint& Velocity() const
1.93 + {
1.94 + return mVelocity;
1.95 + }
1.96 +
1.97 + void SetVelocity(double aX, double aY, double aZ)
1.98 + {
1.99 + if (WebAudioUtils::FuzzyEqual(mVelocity.x, aX) &&
1.100 + WebAudioUtils::FuzzyEqual(mVelocity.y, aY) &&
1.101 + WebAudioUtils::FuzzyEqual(mVelocity.z, aZ)) {
1.102 + return;
1.103 + }
1.104 + mVelocity.x = aX;
1.105 + mVelocity.y = aY;
1.106 + mVelocity.z = aZ;
1.107 + SendThreeDPointParameterToStream(PannerNode::LISTENER_VELOCITY, mVelocity);
1.108 + UpdatePannersVelocity();
1.109 + }
1.110 +
1.111 + void RegisterPannerNode(PannerNode* aPannerNode);
1.112 + void UnregisterPannerNode(PannerNode* aPannerNode);
1.113 +
1.114 +private:
1.115 + void SendDoubleParameterToStream(uint32_t aIndex, double aValue);
1.116 + void SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue);
1.117 + void UpdatePannersVelocity();
1.118 +
1.119 +private:
1.120 + friend class PannerNode;
1.121 + nsRefPtr<AudioContext> mContext;
1.122 + ThreeDPoint mPosition;
1.123 + ThreeDPoint mFrontVector;
1.124 + ThreeDPoint mRightVector;
1.125 + ThreeDPoint mVelocity;
1.126 + double mDopplerFactor;
1.127 + double mSpeedOfSound;
1.128 + nsTArray<WeakPtr<PannerNode> > mPanners;
1.129 +};
1.130 +
1.131 +}
1.132 +}
1.133 +
1.134 +#endif
1.135 +
