content/media/webaudio/AudioListener.h@97036ab72558 (annotated)
content/media/webaudio/AudioListener.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef AudioListener_h_ |
| michael@0 | 8 | #define AudioListener_h_ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "nsWrapperCache.h" |
| michael@0 | 11 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 12 | #include "mozilla/Attributes.h" |
| michael@0 | 13 | #include "nsAutoPtr.h" |
| michael@0 | 14 | #include "ThreeDPoint.h" |
| michael@0 | 15 | #include "AudioContext.h" |
| michael@0 | 16 | #include "PannerNode.h" |
| michael@0 | 17 | #include "WebAudioUtils.h" |
| michael@0 | 18 | #include "js/TypeDecls.h" |
| michael@0 | 19 | #include "mozilla/MemoryReporting.h" |
| michael@0 | 20 | |
| michael@0 | 21 | namespace mozilla { |
| michael@0 | 22 | |
| michael@0 | 23 | namespace dom { |
| michael@0 | 24 | |
| michael@0 | 25 | class AudioListener MOZ_FINAL : public nsWrapperCache |
| michael@0 | 26 | { |
| michael@0 | 27 | public: |
| michael@0 | 28 | explicit AudioListener(AudioContext* aContext); |
| michael@0 | 29 | |
| michael@0 | 30 | NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioListener) |
| michael@0 | 31 | NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioListener) |
| michael@0 | 32 | |
| michael@0 | 33 | size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const; |
| michael@0 | 34 | |
| michael@0 | 35 | AudioContext* GetParentObject() const |
| michael@0 | 36 | { |
| michael@0 | 37 | return mContext; |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; |
| michael@0 | 41 | |
| michael@0 | 42 | double DopplerFactor() const |
| michael@0 | 43 | { |
| michael@0 | 44 | return mDopplerFactor; |
| michael@0 | 45 | } |
| michael@0 | 46 | void SetDopplerFactor(double aDopplerFactor) |
| michael@0 | 47 | { |
| michael@0 | 48 | if (WebAudioUtils::FuzzyEqual(mDopplerFactor, aDopplerFactor)) { |
| michael@0 | 49 | return; |
| michael@0 | 50 | } |
| michael@0 | 51 | mDopplerFactor = aDopplerFactor; |
| michael@0 | 52 | SendDoubleParameterToStream(PannerNode::LISTENER_DOPPLER_FACTOR, mDopplerFactor); |
| michael@0 | 53 | } |
| michael@0 | 54 | |
| michael@0 | 55 | double SpeedOfSound() const |
| michael@0 | 56 | { |
| michael@0 | 57 | return mSpeedOfSound; |
| michael@0 | 58 | } |
| michael@0 | 59 | void SetSpeedOfSound(double aSpeedOfSound) |
| michael@0 | 60 | { |
| michael@0 | 61 | if (WebAudioUtils::FuzzyEqual(mSpeedOfSound, aSpeedOfSound)) { |
| michael@0 | 62 | return; |
| michael@0 | 63 | } |
| michael@0 | 64 | mSpeedOfSound = aSpeedOfSound; |
| michael@0 | 65 | SendDoubleParameterToStream(PannerNode::LISTENER_SPEED_OF_SOUND, mSpeedOfSound); |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | void SetPosition(double aX, double aY, double aZ) |
| michael@0 | 69 | { |
| michael@0 | 70 | if (WebAudioUtils::FuzzyEqual(mPosition.x, aX) && |
| michael@0 | 71 | WebAudioUtils::FuzzyEqual(mPosition.y, aY) && |
| michael@0 | 72 | WebAudioUtils::FuzzyEqual(mPosition.z, aZ)) { |
| michael@0 | 73 | return; |
| michael@0 | 74 | } |
| michael@0 | 75 | mPosition.x = aX; |
| michael@0 | 76 | mPosition.y = aY; |
| michael@0 | 77 | mPosition.z = aZ; |
| michael@0 | 78 | SendThreeDPointParameterToStream(PannerNode::LISTENER_POSITION, mPosition); |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | const ThreeDPoint& Position() const |
| michael@0 | 82 | { |
| michael@0 | 83 | return mPosition; |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | void SetOrientation(double aX, double aY, double aZ, |
| michael@0 | 87 | double aXUp, double aYUp, double aZUp); |
| michael@0 | 88 | |
| michael@0 | 89 | const ThreeDPoint& Velocity() const |
| michael@0 | 90 | { |
| michael@0 | 91 | return mVelocity; |
| michael@0 | 92 | } |
| michael@0 | 93 | |
| michael@0 | 94 | void SetVelocity(double aX, double aY, double aZ) |
| michael@0 | 95 | { |
| michael@0 | 96 | if (WebAudioUtils::FuzzyEqual(mVelocity.x, aX) && |
| michael@0 | 97 | WebAudioUtils::FuzzyEqual(mVelocity.y, aY) && |
| michael@0 | 98 | WebAudioUtils::FuzzyEqual(mVelocity.z, aZ)) { |
| michael@0 | 99 | return; |
| michael@0 | 100 | } |
| michael@0 | 101 | mVelocity.x = aX; |
| michael@0 | 102 | mVelocity.y = aY; |
| michael@0 | 103 | mVelocity.z = aZ; |
| michael@0 | 104 | SendThreeDPointParameterToStream(PannerNode::LISTENER_VELOCITY, mVelocity); |
| michael@0 | 105 | UpdatePannersVelocity(); |
| michael@0 | 106 | } |
| michael@0 | 107 | |
| michael@0 | 108 | void RegisterPannerNode(PannerNode* aPannerNode); |
| michael@0 | 109 | void UnregisterPannerNode(PannerNode* aPannerNode); |
| michael@0 | 110 | |
| michael@0 | 111 | private: |
| michael@0 | 112 | void SendDoubleParameterToStream(uint32_t aIndex, double aValue); |
| michael@0 | 113 | void SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue); |
| michael@0 | 114 | void UpdatePannersVelocity(); |
| michael@0 | 115 | |
| michael@0 | 116 | private: |
| michael@0 | 117 | friend class PannerNode; |
| michael@0 | 118 | nsRefPtr<AudioContext> mContext; |
| michael@0 | 119 | ThreeDPoint mPosition; |
| michael@0 | 120 | ThreeDPoint mFrontVector; |
| michael@0 | 121 | ThreeDPoint mRightVector; |
| michael@0 | 122 | ThreeDPoint mVelocity; |
| michael@0 | 123 | double mDopplerFactor; |
| michael@0 | 124 | double mSpeedOfSound; |
| michael@0 | 125 | nsTArray<WeakPtr<PannerNode> > mPanners; |
| michael@0 | 126 | }; |
| michael@0 | 127 | |
| michael@0 | 128 | } |
| michael@0 | 129 | } |
| michael@0 | 130 | |
| michael@0 | 131 | #endif |
| michael@0 | 132 |
