1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef AudioListener_h 30 #define AudioListener_h 31 32 #include "bindings/v8/ScriptWrappable.h" 33 #include "core/platform/graphics/FloatPoint3D.h" 34 #include "wtf/PassRefPtr.h" 35 #include "wtf/RefCounted.h" 36 37 namespace WebCore { 38 39 // AudioListener maintains the state of the listener in the audio scene as defined in the OpenAL specification. 40 41 class AudioListener : public ScriptWrappable, public RefCounted<AudioListener> { 42 public: 43 static PassRefPtr<AudioListener> create() 44 { 45 return adoptRef(new AudioListener()); 46 } 47 48 // Position 49 void setPosition(float x, float y, float z) { setPosition(FloatPoint3D(x, y, z)); } 50 void setPosition(const FloatPoint3D &position) { m_position = position; } 51 const FloatPoint3D& position() const { return m_position; } 52 53 // Orientation 54 void setOrientation(float x, float y, float z, float upX, float upY, float upZ) 55 { 56 setOrientation(FloatPoint3D(x, y, z)); 57 setUpVector(FloatPoint3D(upX, upY, upZ)); 58 } 59 void setOrientation(const FloatPoint3D &orientation) { m_orientation = orientation; } 60 const FloatPoint3D& orientation() const { return m_orientation; } 61 62 // Up-vector 63 void setUpVector(const FloatPoint3D &upVector) { m_upVector = upVector; } 64 const FloatPoint3D& upVector() const { return m_upVector; } 65 66 // Velocity 67 void setVelocity(float x, float y, float z) { setVelocity(FloatPoint3D(x, y, z)); } 68 void setVelocity(const FloatPoint3D &velocity) { m_velocity = velocity; } 69 const FloatPoint3D& velocity() const { return m_velocity; } 70 71 // Doppler factor 72 void setDopplerFactor(double dopplerFactor) { m_dopplerFactor = dopplerFactor; } 73 double dopplerFactor() const { return m_dopplerFactor; } 74 75 // Speed of sound 76 void setSpeedOfSound(double speedOfSound) { m_speedOfSound = speedOfSound; } 77 double speedOfSound() const { return m_speedOfSound; } 78 79 private: 80 AudioListener(); 81 82 // Position / Orientation 83 FloatPoint3D m_position; 84 FloatPoint3D m_orientation; 85 FloatPoint3D m_upVector; 86 87 FloatPoint3D m_velocity; 88 89 double m_dopplerFactor; 90 double m_speedOfSound; 91 }; 92 93 } // WebCore 94 95 #endif // AudioListener_h 96