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 SVGEnumeration_h 32#define SVGEnumeration_h 33 34#include "core/svg/properties/SVGProperty.h" 35 36namespace WebCore { 37 38class SVGEnumerationBase : public SVGPropertyBase { 39public: 40 typedef std::pair<unsigned short, String> StringEntry; 41 typedef Vector<StringEntry> StringEntries; 42 43 // SVGEnumeration does not have a tear-off type. 44 typedef void TearOffType; 45 typedef unsigned short PrimitiveType; 46 47 virtual ~SVGEnumerationBase(); 48 49 unsigned short value() const { return m_value; } 50 void setValue(unsigned short, ExceptionState&); 51 52 // This assumes that |m_entries| are sorted. 53 unsigned short maxEnumValue() const { return m_entries.last().first; } 54 55 // SVGPropertyBase: 56 virtual PassRefPtr<SVGEnumerationBase> clone() const = 0; 57 virtual PassRefPtr<SVGPropertyBase> cloneForAnimation(const String&) const OVERRIDE; 58 59 virtual String valueAsString() const OVERRIDE; 60 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*) OVERRIDE; 64 virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement*) OVERRIDE; 65 66 static AnimatedPropertyType classType() { return AnimatedEnumeration; } 67 68 // Ensure that |SVGAnimatedEnumerationBase::setBaseVal| is used instead of |SVGAnimatedProperty<SVGEnumerationBase>::setBaseVal|. 69 void setValue(unsigned short) { ASSERT_NOT_REACHED(); } 70 71protected: 72 SVGEnumerationBase(unsigned short value, const StringEntries& entries) 73 : SVGPropertyBase(classType()) 74 , m_value(value) 75 , m_entries(entries) 76 { 77 } 78 79 // Used by SVGMarkerOrientEnumeration. 80 virtual void notifyChange() { } 81 82 unsigned short m_value; 83 const StringEntries& m_entries; 84}; 85typedef SVGEnumerationBase::StringEntries SVGEnumerationStringEntries; 86 87template<typename Enum> const SVGEnumerationStringEntries& getStaticStringEntries(); 88 89template<typename Enum> 90class SVGEnumeration : public SVGEnumerationBase { 91public: 92 static PassRefPtr<SVGEnumeration<Enum> > create(Enum newValue) 93 { 94 return adoptRef(new SVGEnumeration<Enum>(newValue)); 95 } 96 97 virtual ~SVGEnumeration() 98 { 99 } 100 101 virtual PassRefPtr<SVGEnumerationBase> clone() const OVERRIDE 102 { 103 return create(enumValue()); 104 } 105 106 Enum enumValue() const 107 { 108 ASSERT(m_value <= maxEnumValue()); 109 return static_cast<Enum>(m_value); 110 } 111 112 void setEnumValue(Enum value) 113 { 114 m_value = value; 115 notifyChange(); 116 } 117 118protected: 119 explicit SVGEnumeration(Enum newValue) 120 : SVGEnumerationBase(newValue, getStaticStringEntries<Enum>()) 121 { 122 } 123}; 124 125} // namespace WebCore 126 127#endif // SVGEnumeration_h 128