1 /* 2 * Copyright (C) 2007, 2008 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CSSTimingFunctionValue_h 27 #define CSSTimingFunctionValue_h 28 29 #include "CSSValue.h" 30 #include <wtf/PassRefPtr.h> 31 32 namespace WebCore { 33 34 class CSSTimingFunctionValue : public CSSValue { 35 public: 36 virtual String cssText() const = 0; 37 isLinearTimingFunctionValue()38 virtual bool isLinearTimingFunctionValue() const { return false; } isCubicBezierTimingFunctionValue()39 virtual bool isCubicBezierTimingFunctionValue() const { return false; } isStepsTimingFunctionValue()40 virtual bool isStepsTimingFunctionValue() const { return false; } 41 42 protected: CSSTimingFunctionValue()43 CSSTimingFunctionValue() 44 { 45 } 46 isTimingFunctionValue()47 virtual bool isTimingFunctionValue() const { return true; } 48 }; 49 50 class CSSLinearTimingFunctionValue : public CSSTimingFunctionValue { 51 public: create()52 static PassRefPtr<CSSLinearTimingFunctionValue> create() 53 { 54 return adoptRef(new CSSLinearTimingFunctionValue); 55 } 56 57 private: CSSLinearTimingFunctionValue()58 CSSLinearTimingFunctionValue() 59 { 60 } 61 62 virtual String cssText() const; 63 isLinearTimingFunctionValue()64 virtual bool isLinearTimingFunctionValue() const { return true; } 65 }; 66 67 class CSSCubicBezierTimingFunctionValue : public CSSTimingFunctionValue { 68 public: create(double x1,double y1,double x2,double y2)69 static PassRefPtr<CSSCubicBezierTimingFunctionValue> create(double x1, double y1, double x2, double y2) 70 { 71 return adoptRef(new CSSCubicBezierTimingFunctionValue(x1, y1, x2, y2)); 72 } 73 x1()74 double x1() const { return m_x1; } y1()75 double y1() const { return m_y1; } x2()76 double x2() const { return m_x2; } y2()77 double y2() const { return m_y2; } 78 79 private: CSSCubicBezierTimingFunctionValue(double x1,double y1,double x2,double y2)80 CSSCubicBezierTimingFunctionValue(double x1, double y1, double x2, double y2) 81 : m_x1(x1) 82 , m_y1(y1) 83 , m_x2(x2) 84 , m_y2(y2) 85 { 86 } 87 88 virtual String cssText() const; 89 isCubicBezierTimingFunctionValue()90 virtual bool isCubicBezierTimingFunctionValue() const { return true; } 91 92 double m_x1; 93 double m_y1; 94 double m_x2; 95 double m_y2; 96 }; 97 98 class CSSStepsTimingFunctionValue : public CSSTimingFunctionValue { 99 public: create(int steps,bool stepAtStart)100 static PassRefPtr<CSSStepsTimingFunctionValue> create(int steps, bool stepAtStart) 101 { 102 return adoptRef(new CSSStepsTimingFunctionValue(steps, stepAtStart)); 103 } 104 numberOfSteps()105 int numberOfSteps() const { return m_steps; } stepAtStart()106 bool stepAtStart() const { return m_stepAtStart; } 107 108 private: CSSStepsTimingFunctionValue(int steps,bool stepAtStart)109 CSSStepsTimingFunctionValue(int steps, bool stepAtStart) 110 : m_steps(steps) 111 , m_stepAtStart(stepAtStart) 112 { 113 } 114 115 virtual String cssText() const; 116 isStepsTimingFunctionValue()117 virtual bool isStepsTimingFunctionValue() const { return true; } 118 119 int m_steps; 120 bool m_stepAtStart; 121 }; 122 123 } // namespace 124 125 #endif 126