Move handle of HRTFDatabaseLoader to AudioListener.

Source/modules/webaudio/AudioListener.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
+class HRTFDatabaseLoader;
 class PannerNode;
 
 // AudioListener maintains the state of the listener in the audio scene as defined in the OpenAL specification.
 
 class AudioListener : public RefCountedWillBeGarbageCollectedFinalized<AudioListener>, public ScriptWrappable {
 public:
     static PassRefPtrWillBeRawPtr<AudioListener> create()
     {
         return adoptRefWillBeNoop(new AudioListener());
     }
@@ skipping 21 matching lines @@
     double dopplerFactor() const { return m_dopplerFactor; }
 
     // Speed of sound
     void setSpeedOfSound(double);
     double speedOfSound() const { return m_speedOfSound; }
 
     Mutex& listenerLock() { return m_listenerLock; }
     void addPanner(PannerNode*);
     void removePanner(PannerNode*);
 
+    void createAndLoadHRTFDatabaseLoader(float);
+    HRTFDatabaseLoader* hrtfDatabaseLoader() { return m_hrtfDatabaseLoader.get(); }
+
     void trace(Visitor*) { }
 
 private:
     AudioListener();
 
     void setPosition(const FloatPoint3D&);
     void setOrientation(const FloatPoint3D&);
     void setUpVector(const FloatPoint3D&);
     void setVelocity(const FloatPoint3D&);
 
     void markPannersAsDirty(unsigned);
 
     FloatPoint3D m_position;
     FloatPoint3D m_orientation;
     FloatPoint3D m_upVector;
     FloatPoint3D m_velocity;
     double m_dopplerFactor;
     double m_speedOfSound;
 
     // Synchronize a panner's process() with setting of the state of the listener.
     mutable Mutex m_listenerLock;
-
     // List for pannerNodes in context.
     Vector<PannerNode*> m_panners;
+    // HRTF DB loader for panner node. It should be allocated once on constructor of panner node,
+    // then keep handle for efficient loading.

[Raymond Toy, 2014/07/17 17:25:45]

This comment is no longer valid.  Remove this?

+    RefPtr<HRTFDatabaseLoader> m_hrtfDatabaseLoader;
 };
 
 } // WebCore
 
 #endif // AudioListener_h