1 /* 2 * Copyright (C) 2004 Zack Rusin <zack (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 */ 20 21 #ifndef CSSComputedStyleDeclaration_h 22 #define CSSComputedStyleDeclaration_h 23 24 #include "core/css/CSSStyleDeclaration.h" 25 #include "core/rendering/style/RenderStyleConstants.h" 26 #include "platform/fonts/FixedPitchFontType.h" 27 #include "wtf/HashMap.h" 28 #include "wtf/RefPtr.h" 29 #include "wtf/text/AtomicString.h" 30 #include "wtf/text/AtomicStringHash.h" 31 #include "wtf/text/WTFString.h" 32 33 namespace blink { 34 35 class CSSPrimitiveValue; 36 class CSSValueList; 37 class ExceptionState; 38 class MutableStylePropertySet; 39 class Node; 40 class RenderObject; 41 class RenderStyle; 42 class ShadowData; 43 class ShadowList; 44 class StyleColor; 45 class StylePropertyShorthand; 46 47 enum EUpdateLayout { DoNotUpdateLayout = false, UpdateLayout = true }; 48 49 class CSSComputedStyleDeclaration FINAL : public CSSStyleDeclaration { 50 public: 51 static PassRefPtrWillBeRawPtr<CSSComputedStyleDeclaration> create(PassRefPtrWillBeRawPtr<Node> node, bool allowVisitedStyle = false, const String& pseudoElementName = String()) 52 { 53 return adoptRefWillBeNoop(new CSSComputedStyleDeclaration(node, allowVisitedStyle, pseudoElementName)); 54 } 55 virtual ~CSSComputedStyleDeclaration(); 56 57 #if !ENABLE(OILPAN) 58 virtual void ref() OVERRIDE; 59 virtual void deref() OVERRIDE; 60 #endif 61 62 String getPropertyValue(CSSPropertyID) const; 63 bool getPropertyPriority(CSSPropertyID) const; 64 65 virtual PassRefPtrWillBeRawPtr<MutableStylePropertySet> copyProperties() const OVERRIDE; 66 67 PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValue(CSSPropertyID, EUpdateLayout = UpdateLayout) const; 68 PassRefPtrWillBeRawPtr<CSSValue> getFontSizeCSSValuePreferringKeyword() const; 69 FixedPitchFontType fixedPitchFontType() const; 70 PassRefPtrWillBeRawPtr<CSSValue> getSVGPropertyCSSValue(CSSPropertyID, EUpdateLayout) const; 71 72 PassRefPtrWillBeRawPtr<MutableStylePropertySet> copyPropertiesInSet(const Vector<CSSPropertyID>&) const; 73 74 virtual void trace(Visitor*) OVERRIDE; 75 76 private: 77 CSSComputedStyleDeclaration(PassRefPtrWillBeRawPtr<Node>, bool allowVisitedStyle, const String&); 78 79 // The styled node is either the node passed into getComputedStyle, or the 80 // PseudoElement for :before and :after if they exist. 81 // FIXME: This should be styledElement since in JS getComputedStyle only works 82 // on Elements, but right now editing creates these for text nodes. We should fix 83 // that. 84 Node* styledNode() const; 85 86 // CSSOM functions. Don't make these public. 87 virtual CSSRule* parentRule() const OVERRIDE; 88 virtual unsigned length() const OVERRIDE; 89 virtual String item(unsigned index) const OVERRIDE; 90 PassRefPtr<RenderStyle> computeRenderStyle() const; 91 virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValue(const String& propertyName) OVERRIDE; 92 virtual String getPropertyValue(const String& propertyName) OVERRIDE; 93 virtual String getPropertyPriority(const String& propertyName) OVERRIDE; 94 virtual String getPropertyShorthand(const String& propertyName) OVERRIDE; 95 virtual bool isPropertyImplicit(const String& propertyName) OVERRIDE; 96 virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&) OVERRIDE; 97 virtual String removeProperty(const String& propertyName, ExceptionState&) OVERRIDE; 98 virtual String cssText() const OVERRIDE; 99 virtual void setCSSText(const String&, ExceptionState&) OVERRIDE; 100 virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) OVERRIDE; 101 virtual String getPropertyValueInternal(CSSPropertyID) OVERRIDE; 102 virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&) OVERRIDE; 103 104 virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const OVERRIDE; 105 106 PassRefPtrWillBeRawPtr<CSSValue> valueForShadowData(const ShadowData&, const RenderStyle&, bool useSpread) const; 107 PassRefPtrWillBeRawPtr<CSSValue> valueForShadowList(const ShadowList*, const RenderStyle&, bool useSpread) const; 108 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> currentColorOrValidColor(const RenderStyle&, const StyleColor&) const; 109 110 PassRefPtrWillBeRawPtr<CSSValue> valueForFilter(const RenderObject*, const RenderStyle&) const; 111 112 PassRefPtrWillBeRawPtr<CSSValueList> valuesForShorthandProperty(const StylePropertyShorthand&) const; 113 PassRefPtrWillBeRawPtr<CSSValueList> valuesForSidesShorthand(const StylePropertyShorthand&) const; 114 PassRefPtrWillBeRawPtr<CSSValueList> valuesForBackgroundShorthand() const; 115 PassRefPtrWillBeRawPtr<CSSValueList> valuesForGridShorthand(const StylePropertyShorthand&) const; 116 117 RefPtrWillBeMember<Node> m_node; 118 PseudoId m_pseudoElementSpecifier; 119 bool m_allowVisitedStyle; 120 #if !ENABLE(OILPAN) 121 unsigned m_refCount; 122 #endif 123 }; 124 125 } // namespace blink 126 127 #endif // CSSComputedStyleDeclaration_h 128
