michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef AudioListener_h_
michael@0: #define AudioListener_h_
michael@0: 
michael@0: #include "nsWrapperCache.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "ThreeDPoint.h"
michael@0: #include "AudioContext.h"
michael@0: #include "PannerNode.h"
michael@0: #include "WebAudioUtils.h"
michael@0: #include "js/TypeDecls.h"
michael@0: #include "mozilla/MemoryReporting.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace dom {
michael@0: 
michael@0: class AudioListener MOZ_FINAL : public nsWrapperCache
michael@0: {
michael@0: public:
michael@0:   explicit AudioListener(AudioContext* aContext);
michael@0: 
michael@0:   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioListener)
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioListener)
michael@0: 
michael@0:   size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
michael@0: 
michael@0:   AudioContext* GetParentObject() const
michael@0:   {
michael@0:     return mContext;
michael@0:   }
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   double DopplerFactor() const
michael@0:   {
michael@0:     return mDopplerFactor;
michael@0:   }
michael@0:   void SetDopplerFactor(double aDopplerFactor)
michael@0:   {
michael@0:     if (WebAudioUtils::FuzzyEqual(mDopplerFactor, aDopplerFactor)) {
michael@0:       return;
michael@0:     }
michael@0:     mDopplerFactor = aDopplerFactor;
michael@0:     SendDoubleParameterToStream(PannerNode::LISTENER_DOPPLER_FACTOR, mDopplerFactor);
michael@0:   }
michael@0: 
michael@0:   double SpeedOfSound() const
michael@0:   {
michael@0:     return mSpeedOfSound;
michael@0:   }
michael@0:   void SetSpeedOfSound(double aSpeedOfSound)
michael@0:   {
michael@0:     if (WebAudioUtils::FuzzyEqual(mSpeedOfSound, aSpeedOfSound)) {
michael@0:       return;
michael@0:     }
michael@0:     mSpeedOfSound = aSpeedOfSound;
michael@0:     SendDoubleParameterToStream(PannerNode::LISTENER_SPEED_OF_SOUND, mSpeedOfSound);
michael@0:   }
michael@0: 
michael@0:   void SetPosition(double aX, double aY, double aZ)
michael@0:   {
michael@0:     if (WebAudioUtils::FuzzyEqual(mPosition.x, aX) &&
michael@0:         WebAudioUtils::FuzzyEqual(mPosition.y, aY) &&
michael@0:         WebAudioUtils::FuzzyEqual(mPosition.z, aZ)) {
michael@0:       return;
michael@0:     }
michael@0:     mPosition.x = aX;
michael@0:     mPosition.y = aY;
michael@0:     mPosition.z = aZ;
michael@0:     SendThreeDPointParameterToStream(PannerNode::LISTENER_POSITION, mPosition);
michael@0:   }
michael@0: 
michael@0:   const ThreeDPoint& Position() const
michael@0:   {
michael@0:     return mPosition;
michael@0:   }
michael@0: 
michael@0:   void SetOrientation(double aX, double aY, double aZ,
michael@0:                       double aXUp, double aYUp, double aZUp);
michael@0: 
michael@0:   const ThreeDPoint& Velocity() const
michael@0:   {
michael@0:     return mVelocity;
michael@0:   }
michael@0: 
michael@0:   void SetVelocity(double aX, double aY, double aZ)
michael@0:   {
michael@0:     if (WebAudioUtils::FuzzyEqual(mVelocity.x, aX) &&
michael@0:         WebAudioUtils::FuzzyEqual(mVelocity.y, aY) &&
michael@0:         WebAudioUtils::FuzzyEqual(mVelocity.z, aZ)) {
michael@0:       return;
michael@0:     }
michael@0:     mVelocity.x = aX;
michael@0:     mVelocity.y = aY;
michael@0:     mVelocity.z = aZ;
michael@0:     SendThreeDPointParameterToStream(PannerNode::LISTENER_VELOCITY, mVelocity);
michael@0:     UpdatePannersVelocity();
michael@0:   }
michael@0: 
michael@0:   void RegisterPannerNode(PannerNode* aPannerNode);
michael@0:   void UnregisterPannerNode(PannerNode* aPannerNode);
michael@0: 
michael@0: private:
michael@0:   void SendDoubleParameterToStream(uint32_t aIndex, double aValue);
michael@0:   void SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue);
michael@0:   void UpdatePannersVelocity();
michael@0: 
michael@0: private:
michael@0:   friend class PannerNode;
michael@0:   nsRefPtr<AudioContext> mContext;
michael@0:   ThreeDPoint mPosition;
michael@0:   ThreeDPoint mFrontVector;
michael@0:   ThreeDPoint mRightVector;
michael@0:   ThreeDPoint mVelocity;
michael@0:   double mDopplerFactor;
michael@0:   double mSpeedOfSound;
michael@0:   nsTArray<WeakPtr<PannerNode> > mPanners;
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif
michael@0: