| /* |
| * Copyright (C) 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "CSSParserMode.h" |
| #include "CSSStyleDeclaration.h" |
| #include "DeprecatedCSSOMValue.h" |
| #include <memory> |
| #include <wtf/HashMap.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| class CSSRule; |
| class CSSProperty; |
| class CSSValue; |
| class MutableStyleProperties; |
| class StyleSheetContents; |
| class StyledElement; |
| |
| class PropertySetCSSStyleDeclaration : public CSSStyleDeclaration { |
| public: |
| explicit PropertySetCSSStyleDeclaration(MutableStyleProperties& propertySet) |
| : m_propertySet(&propertySet) |
| { } |
| |
| virtual void clearParentElement() { ASSERT_NOT_REACHED(); } |
| |
| StyleSheetContents* contextStyleSheet() const; |
| |
| protected: |
| enum MutationType { NoChanges, PropertyChanged }; |
| |
| virtual CSSParserContext cssParserContext() const; |
| |
| MutableStyleProperties* m_propertySet; |
| std::unique_ptr<HashMap<CSSValue*, RefPtr<DeprecatedCSSOMValue>>> m_cssomValueWrappers; |
| |
| private: |
| void ref() override; |
| void deref() override; |
| |
| CSSRule* parentRule() const override { return nullptr; } |
| unsigned length() const final; |
| String item(unsigned index) const final; |
| RefPtr<DeprecatedCSSOMValue> getPropertyCSSValue(const String& propertyName) final; |
| String getPropertyValue(const String& propertyName) final; |
| String getPropertyPriority(const String& propertyName) final; |
| String getPropertyShorthand(const String& propertyName) final; |
| bool isPropertyImplicit(const String& propertyName) final; |
| ExceptionOr<void> setProperty(const String& propertyName, const String& value, const String& priority) final; |
| ExceptionOr<String> removeProperty(const String& propertyName) final; |
| String cssText() const final; |
| ExceptionOr<void> setCssText(const String&) final; |
| RefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) final; |
| String getPropertyValueInternal(CSSPropertyID) final; |
| ExceptionOr<bool> setPropertyInternal(CSSPropertyID, const String& value, bool important) final; |
| |
| Ref<MutableStyleProperties> copyProperties() const final; |
| |
| DeprecatedCSSOMValue* wrapForDeprecatedCSSOM(CSSValue*); |
| |
| virtual bool willMutate() WARN_UNUSED_RETURN { return true; } |
| virtual void didMutate(MutationType) { } |
| }; |
| |
| class StyleRuleCSSStyleDeclaration final : public PropertySetCSSStyleDeclaration { |
| public: |
| static Ref<StyleRuleCSSStyleDeclaration> create(MutableStyleProperties& propertySet, CSSRule& parentRule) |
| { |
| return adoptRef(*new StyleRuleCSSStyleDeclaration(propertySet, parentRule)); |
| } |
| virtual ~StyleRuleCSSStyleDeclaration(); |
| |
| void clearParentRule() { m_parentRule = nullptr; } |
| |
| void ref() final; |
| void deref() final; |
| |
| void reattach(MutableStyleProperties&); |
| |
| private: |
| StyleRuleCSSStyleDeclaration(MutableStyleProperties&, CSSRule&); |
| |
| CSSStyleSheet* parentStyleSheet() const final; |
| |
| CSSRule* parentRule() const final { return m_parentRule; } |
| |
| bool willMutate() final WARN_UNUSED_RETURN; |
| void didMutate(MutationType) final; |
| CSSParserContext cssParserContext() const final; |
| |
| unsigned m_refCount; |
| CSSRule* m_parentRule; |
| }; |
| |
| class InlineCSSStyleDeclaration final : public PropertySetCSSStyleDeclaration { |
| public: |
| InlineCSSStyleDeclaration(MutableStyleProperties& propertySet, StyledElement& parentElement) |
| : PropertySetCSSStyleDeclaration(propertySet) |
| , m_parentElement(&parentElement) |
| { |
| } |
| |
| private: |
| CSSStyleSheet* parentStyleSheet() const final; |
| StyledElement* parentElement() const final { return m_parentElement; } |
| void clearParentElement() final { m_parentElement = nullptr; } |
| |
| void didMutate(MutationType) final; |
| CSSParserContext cssParserContext() const final; |
| |
| StyledElement* m_parentElement; |
| }; |
| |
| } // namespace WebCore |