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/core/v8/ExceptionMessages.h" 35 #include "core/svg/properties/SVGPropertyHelper.h" 36 37 namespace blink { 38 39 class SVGNumberTearOff; 40 41 class SVGNumber : public SVGPropertyHelper<SVGNumber> { 42 public: 43 // SVGNumber has a tear-off type, but SVGAnimatedNumber uses primitive type. 44 typedef SVGNumberTearOff TearOffType; 45 typedef float PrimitiveType; 46 47 static PassRefPtr<SVGNumber> create(float value = 0.0f) 48 { 49 return adoptRef(new SVGNumber(value)); 50 } 51 52 virtual PassRefPtr<SVGNumber> clone() const; 53 54 float value() const { return m_value; } 55 void setValue(float value) { m_value = value; } 56 57 virtual String valueAsString() const OVERRIDE; 58 virtual void setValueAsString(const String&, ExceptionState&); 59 60 virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) OVERRIDE; 61 virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) OVERRIDE; 62 virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement* contextElement) OVERRIDE; 63 64 static AnimatedPropertyType classType() { return AnimatedNumber; } 65 66 protected: 67 explicit SVGNumber(float); 68 69 template<typename CharType> 70 bool parse(const CharType*& ptr, const CharType* end); 71 72 float m_value; 73 }; 74 75 inline PassRefPtr<SVGNumber> toSVGNumber(PassRefPtr<SVGPropertyBase> passBase) 76 { 77 RefPtr<SVGPropertyBase> base = passBase; 78 ASSERT(base->type() == SVGNumber::classType()); 79 return static_pointer_cast<SVGNumber>(base.release()); 80 } 81 82 // SVGNumber which also accepts percentage as its value. 83 // This is used for <stop> "offset" 84 // Spec: http://www.w3.org/TR/SVG11/pservers.html#GradientStops 85 // offset = "<number> | <percentage>" 86 class SVGNumberAcceptPercentage FINAL : public SVGNumber { 87 public: 88 static PassRefPtr<SVGNumberAcceptPercentage> create(float value = 0) 89 { 90 return adoptRef(new SVGNumberAcceptPercentage(value)); 91 } 92 93 virtual PassRefPtr<SVGNumber> clone() const OVERRIDE; 94 virtual void setValueAsString(const String&, ExceptionState&) OVERRIDE; 95 96 private: 97 SVGNumberAcceptPercentage(float value); 98 }; 99 100 } // namespace blink 101 102 #endif // SVGNumber_h 103
