1/* 2 * Copyright (C) 2014 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef SVGNumber_h 32#define SVGNumber_h 33 34#include "bindings/v8/ExceptionMessages.h" 35#include "bindings/v8/ExceptionStatePlaceholder.h" 36#include "core/svg/properties/SVGProperty.h" 37 38namespace WebCore { 39 40class SVGNumberTearOff; 41 42class SVGNumber : public SVGPropertyBase { 43public: 44 // SVGNumber has a tear-off type, but SVGAnimatedNumber uses primitive type. 45 typedef SVGNumberTearOff TearOffType; 46 typedef float PrimitiveType; 47 48 static PassRefPtr<SVGNumber> create(float value = 0.0f) 49 { 50 return adoptRef(new SVGNumber(value)); 51 } 52 53 virtual PassRefPtr<SVGNumber> clone() const; 54 virtual PassRefPtr<SVGPropertyBase> cloneForAnimation(const String&) const OVERRIDE; 55 56 float value() const { return m_value; } 57 void setValue(float value) { m_value = value; } 58 59 virtual String valueAsString() const OVERRIDE; 60 virtual void setValueAsString(const String&, ExceptionState&); 61 62 virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) OVERRIDE; 63 virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) OVERRIDE; 64 virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement* contextElement) OVERRIDE; 65 66 static AnimatedPropertyType classType() { return AnimatedNumber; } 67 68protected: 69 explicit SVGNumber(float); 70 71 template<typename CharType> 72 bool parse(const CharType*& ptr, const CharType* end); 73 74 float m_value; 75}; 76 77inline PassRefPtr<SVGNumber> toSVGNumber(PassRefPtr<SVGPropertyBase> passBase) 78{ 79 RefPtr<SVGPropertyBase> base = passBase; 80 ASSERT(base->type() == SVGNumber::classType()); 81 return static_pointer_cast<SVGNumber>(base.release()); 82} 83 84// SVGNumber which also accepts percentage as its value. 85// This is used for <stop> "offset" 86// Spec: http://www.w3.org/TR/SVG11/pservers.html#GradientStops 87// offset = "<number> | <percentage>" 88class SVGNumberAcceptPercentage FINAL : public SVGNumber { 89public: 90 static PassRefPtr<SVGNumberAcceptPercentage> create(float value = 0) 91 { 92 return adoptRef(new SVGNumberAcceptPercentage(value)); 93 } 94 95 virtual PassRefPtr<SVGNumber> clone() const OVERRIDE; 96 virtual void setValueAsString(const String&, ExceptionState&) OVERRIDE; 97 98private: 99 SVGNumberAcceptPercentage(float value); 100}; 101 102} // namespace WebCore 103 104#endif // SVGNumber_h 105