1 /* 2 * Copyright (C) 2013 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 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "modules/device_orientation/DeviceRotationRate.h" 28 29 namespace WebCore { 30 31 DeviceRotationRate::DeviceRotationRate(PassRefPtr<DeviceMotionData::RotationRate> rotationRate) 32 : m_rotationRate(rotationRate) 33 { 34 ScriptWrappable::init(this); 35 } 36 37 double DeviceRotationRate::alpha(bool& isNull) const 38 { 39 if (m_rotationRate->canProvideAlpha()) 40 return m_rotationRate->alpha(); 41 42 isNull = true; 43 return 0; 44 } 45 46 double DeviceRotationRate::beta(bool& isNull) const 47 { 48 if (m_rotationRate->canProvideBeta()) 49 return m_rotationRate->beta(); 50 51 isNull = true; 52 return 0; 53 } 54 55 double DeviceRotationRate::gamma(bool& isNull) const 56 { 57 if (m_rotationRate->canProvideGamma()) 58 return m_rotationRate->gamma(); 59 60 isNull = true; 61 return 0; 62 } 63 64 } // namespace WebCore 65
