diff -r 000000000000 -r 6474c204b198 content/media/webaudio/AudioListener.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/webaudio/AudioListener.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,132 @@
+/* -*- 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 AudioListener_h_
+#define AudioListener_h_
+
+#include "nsWrapperCache.h"
+#include "nsCycleCollectionParticipant.h"
+#include "mozilla/Attributes.h"
+#include "nsAutoPtr.h"
+#include "ThreeDPoint.h"
+#include "AudioContext.h"
+#include "PannerNode.h"
+#include "WebAudioUtils.h"
+#include "js/TypeDecls.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace mozilla {
+
+namespace dom {
+
+class AudioListener MOZ_FINAL : public nsWrapperCache
+{
+public:
+  explicit AudioListener(AudioContext* aContext);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioListener)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioListener)
+
+  size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+  AudioContext* GetParentObject() const
+  {
+    return mContext;
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  double DopplerFactor() const
+  {
+    return mDopplerFactor;
+  }
+  void SetDopplerFactor(double aDopplerFactor)
+  {
+    if (WebAudioUtils::FuzzyEqual(mDopplerFactor, aDopplerFactor)) {
+      return;
+    }
+    mDopplerFactor = aDopplerFactor;
+    SendDoubleParameterToStream(PannerNode::LISTENER_DOPPLER_FACTOR, mDopplerFactor);
+  }
+
+  double SpeedOfSound() const
+  {
+    return mSpeedOfSound;
+  }
+  void SetSpeedOfSound(double aSpeedOfSound)
+  {
+    if (WebAudioUtils::FuzzyEqual(mSpeedOfSound, aSpeedOfSound)) {
+      return;
+    }
+    mSpeedOfSound = aSpeedOfSound;
+    SendDoubleParameterToStream(PannerNode::LISTENER_SPEED_OF_SOUND, mSpeedOfSound);
+  }
+
+  void SetPosition(double aX, double aY, double aZ)
+  {
+    if (WebAudioUtils::FuzzyEqual(mPosition.x, aX) &&
+        WebAudioUtils::FuzzyEqual(mPosition.y, aY) &&
+        WebAudioUtils::FuzzyEqual(mPosition.z, aZ)) {
+      return;
+    }
+    mPosition.x = aX;
+    mPosition.y = aY;
+    mPosition.z = aZ;
+    SendThreeDPointParameterToStream(PannerNode::LISTENER_POSITION, mPosition);
+  }
+
+  const ThreeDPoint& Position() const
+  {
+    return mPosition;
+  }
+
+  void SetOrientation(double aX, double aY, double aZ,
+                      double aXUp, double aYUp, double aZUp);
+
+  const ThreeDPoint& Velocity() const
+  {
+    return mVelocity;
+  }
+
+  void SetVelocity(double aX, double aY, double aZ)
+  {
+    if (WebAudioUtils::FuzzyEqual(mVelocity.x, aX) &&
+        WebAudioUtils::FuzzyEqual(mVelocity.y, aY) &&
+        WebAudioUtils::FuzzyEqual(mVelocity.z, aZ)) {
+      return;
+    }
+    mVelocity.x = aX;
+    mVelocity.y = aY;
+    mVelocity.z = aZ;
+    SendThreeDPointParameterToStream(PannerNode::LISTENER_VELOCITY, mVelocity);
+    UpdatePannersVelocity();
+  }
+
+  void RegisterPannerNode(PannerNode* aPannerNode);
+  void UnregisterPannerNode(PannerNode* aPannerNode);
+
+private:
+  void SendDoubleParameterToStream(uint32_t aIndex, double aValue);
+  void SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue);
+  void UpdatePannersVelocity();
+
+private:
+  friend class PannerNode;
+  nsRefPtr<AudioContext> mContext;
+  ThreeDPoint mPosition;
+  ThreeDPoint mFrontVector;
+  ThreeDPoint mRightVector;
+  ThreeDPoint mVelocity;
+  double mDopplerFactor;
+  double mSpeedOfSound;
+  nsTArray<WeakPtr<PannerNode> > mPanners;
+};
+
+}
+}
+
+#endif
+