| /* |
| * Copyright (C) 2004 Zack Rusin <zack@kde.org> |
| * Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| */ |
| |
| #ifndef CSSComputedStyleDeclaration_h |
| #define CSSComputedStyleDeclaration_h |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "core/CoreExport.h" |
| #include "core/css/CSSStyleDeclaration.h" |
| #include "core/css/properties/CSSProperty.h" |
| #include "core/style/ComputedStyleConstants.h" |
| #include "platform/wtf/HashMap.h" |
| #include "platform/wtf/text/AtomicString.h" |
| #include "platform/wtf/text/AtomicStringHash.h" |
| #include "platform/wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class CSSVariableData; |
| class ExceptionState; |
| class LayoutObject; |
| class MutableCSSPropertyValueSet; |
| class Node; |
| class ComputedStyle; |
| |
| class CORE_EXPORT CSSComputedStyleDeclaration final |
| : public CSSStyleDeclaration { |
| public: |
| static CSSComputedStyleDeclaration* Create( |
| Node* node, |
| bool allow_visited_style = false, |
| const String& pseudo_element_name = String()) { |
| return new CSSComputedStyleDeclaration(node, allow_visited_style, |
| pseudo_element_name); |
| } |
| |
| static const Vector<CSSPropertyID>& ComputableProperties(); |
| ~CSSComputedStyleDeclaration() override; |
| |
| String GetPropertyValue(CSSPropertyID) const; |
| bool GetPropertyPriority(CSSPropertyID) const; |
| |
| MutableCSSPropertyValueSet* CopyProperties() const; |
| |
| const CSSValue* GetPropertyCSSValue(const CSSProperty&) const; |
| const CSSValue* GetPropertyCSSValue(AtomicString custom_property_name) const; |
| std::unique_ptr<HashMap<AtomicString, scoped_refptr<CSSVariableData>>> |
| GetVariables() const; |
| |
| const CSSValue* GetFontSizeCSSValuePreferringKeyword() const; |
| bool IsMonospaceFont() const; |
| |
| MutableCSSPropertyValueSet* CopyPropertiesInSet( |
| const Vector<CSSPropertyID>&) const; |
| |
| // CSSOM functions. |
| unsigned length() const override; |
| String item(unsigned index) const override; |
| |
| virtual void Trace(blink::Visitor*); |
| |
| private: |
| CSSComputedStyleDeclaration(Node*, bool allow_visited_style, const String&); |
| |
| // The styled node is either the node passed into getComputedStyle, or the |
| // PseudoElement for :before and :after if they exist. |
| // FIXME: This should be styledElement since in JS getComputedStyle only works |
| // on Elements, but right now editing creates these for text nodes. We should |
| // fix that. |
| Node* StyledNode() const; |
| |
| // The styled layout object is the layout object corresponding to the node |
| // being queried, if any. |
| LayoutObject* StyledLayoutObject() const; |
| |
| // CSSOM functions. |
| CSSRule* parentRule() const override; |
| const ComputedStyle* ComputeComputedStyle() const; |
| String getPropertyValue(const String& property_name) override; |
| String getPropertyPriority(const String& property_name) override; |
| String GetPropertyShorthand(const String& property_name) override; |
| bool IsPropertyImplicit(const String& property_name) override; |
| void setProperty(const ExecutionContext*, |
| const String& property_name, |
| const String& value, |
| const String& priority, |
| ExceptionState&) override; |
| String removeProperty(const String& property_name, ExceptionState&) override; |
| String CssFloat() const; |
| void SetCSSFloat(const String&, ExceptionState&); |
| String cssText() const override; |
| void setCSSText(const ExecutionContext*, |
| const String&, |
| ExceptionState&) override; |
| const CSSValue* GetPropertyCSSValueInternal(CSSPropertyID) override; |
| const CSSValue* GetPropertyCSSValueInternal( |
| AtomicString custom_property_name) override; |
| String GetPropertyValueInternal(CSSPropertyID) override; |
| void SetPropertyInternal(CSSPropertyID, |
| const String& custom_property_name, |
| const String& value, |
| bool important, |
| SecureContextMode, |
| ExceptionState&) override; |
| |
| bool CssPropertyMatches(CSSPropertyID, const CSSValue*) const override; |
| |
| Member<Node> node_; |
| PseudoId pseudo_element_specifier_; |
| bool allow_visited_style_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CSSComputedStyleDeclaration_h |