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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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 "CSSProperty.h"
#include "CSSPropertyNames.h"
#include "CSSStyleDeclaration.h"
#include "StyleRuleType.h"
#include "StyledElement.h"
#include <wtf/HashMap.h>
#include <wtf/OptionalOrReference.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class StyleSheetContents;
struct CSSParserContext;
class CSSStyleProperties : public CSSStyleDeclaration {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(CSSStyleProperties);
public:
StyleDeclarationType styleDeclarationType() const final { return StyleDeclarationType::Style; }
String cssFloat();
ExceptionOr<void> setCssFloat(const String&);
// CSSPropertyID versions of the CSSOM functions to support bindings and editing.
virtual String getPropertyValueInternal(CSSPropertyID) = 0;
virtual ExceptionOr<void> setPropertyInternal(CSSPropertyID, const String& value, IsImportant) = 0;
virtual Ref<MutableStyleProperties> copyProperties() const = 0;
// FIXME: It would be more efficient, by virtue of avoiding the text transformation and hash lookup currently
// required in the implementation, if we could could smuggle the CSSPropertyID through the bindings, perhaps
// by encoding it into the HashTableValue and then passing it together with the PropertyName.
// Shared implementation for all properties that match https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-camel_cased_attribute.
String propertyValueForCamelCasedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForCamelCasedIDLAttribute(const AtomString&, const String&);
// Shared implementation for all properties that match https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-webkit_cased_attribute.
String propertyValueForWebKitCasedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForWebKitCasedIDLAttribute(const AtomString&, const String&);
// Shared implementation for all properties that match https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-dashed_attribute.
String propertyValueForDashedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForDashedIDLAttribute(const AtomString&, const String&);
// Shared implementation for all properties that match non-standard Epub-cased.
String propertyValueForEpubCasedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForEpubCasedIDLAttribute(const AtomString&, const String&);
// FIXME: This needs to pass in a Settings& to work correctly.
static CSSPropertyID getCSSPropertyIDFromJavaScriptPropertyName(const AtomString&);
};
class PropertySetCSSStyleProperties : public CSSStyleProperties {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(PropertySetCSSStyleProperties);
public:
explicit PropertySetCSSStyleProperties(MutableStyleProperties& propertySet)
: m_propertySet(&propertySet)
{
}
void ref() const override;
void deref() const override;
StyleSheetContents* contextStyleSheet() const;
protected:
enum class MutationType : uint8_t { NoChanges, StyleAttributeChanged, PropertyChanged };
virtual OptionalOrReference<CSSParserContext> cssParserContext() const;
MutableStyleProperties* m_propertySet;
HashMap<CSSValue*, WeakPtr<DeprecatedCSSOMValue>> m_cssomValueWrappers;
private:
CSSRule* parentRule() const override { return nullptr; }
// FIXME: To implement.
CSSRule* cssRules() 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;
String getPropertyValueInternal(CSSPropertyID) final;
ExceptionOr<void> setPropertyInternal(CSSPropertyID, const String& value, IsImportant) final;
Ref<MutableStyleProperties> copyProperties() const final;
bool isExposed(CSSPropertyID) const;
RefPtr<DeprecatedCSSOMValue> wrapForDeprecatedCSSOM(CSSValue*);
virtual bool willMutate() WARN_UNUSED_RETURN { return true; }
virtual void didMutate(MutationType) { }
};
class StyleRuleCSSStyleProperties final : public PropertySetCSSStyleProperties, public RefCounted<StyleRuleCSSStyleProperties> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(StyleRuleCSSStyleProperties);
public:
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
static Ref<StyleRuleCSSStyleProperties> create(MutableStyleProperties& propertySet, CSSRule& parentRule)
{
return adoptRef(*new StyleRuleCSSStyleProperties(propertySet, parentRule));
}
virtual ~StyleRuleCSSStyleProperties();
void clearParentRule() { m_parentRule = nullptr; }
void reattach(MutableStyleProperties&);
private:
StyleRuleCSSStyleProperties(MutableStyleProperties&, CSSRule&);
CSSStyleSheet* parentStyleSheet() const final;
CSSRule* parentRule() const final { return m_parentRule; }
bool willMutate() final WARN_UNUSED_RETURN;
void didMutate(MutationType) final;
OptionalOrReference<CSSParserContext> cssParserContext() const final;
StyleRuleType m_parentRuleType;
CSSRule* m_parentRule;
};
class InlineCSSStyleProperties final : public PropertySetCSSStyleProperties {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(InlineCSSStyleProperties);
public:
InlineCSSStyleProperties(MutableStyleProperties& propertySet, StyledElement& parentElement)
: PropertySetCSSStyleProperties(propertySet)
, m_parentElement(parentElement)
{
}
private:
CSSStyleSheet* parentStyleSheet() const final;
StyledElement* parentElement() const final { return m_parentElement.get(); }
bool willMutate() final WARN_UNUSED_RETURN;
void didMutate(MutationType) final;
OptionalOrReference<CSSParserContext> cssParserContext() const final;
WeakPtr<StyledElement, WeakPtrImplWithEventTargetData> m_parentElement;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CSS_STYLE_DECLARATION(CSSStyleProperties, StyleDeclarationType::Style)
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