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/*
* Copyright (C) 2022 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,
* 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 "CSSRegisteredCustomProperty.h"
#include "StyleRule.h"
#include <wtf/HashMap.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class RenderStyle;
namespace Style {
class Scope;
class CustomPropertyRegistry {
WTF_MAKE_TZONE_ALLOCATED(CustomPropertyRegistry);
public:
CustomPropertyRegistry(Scope&);
const CSSRegisteredCustomProperty* get(const AtomString&) const;
bool isInherited(const AtomString&) const;
bool registerFromAPI(CSSRegisteredCustomProperty&&);
void registerFromStylesheet(const StyleRuleProperty::Descriptor&);
void clearRegisteredFromStylesheets();
const RenderStyle& initialValuePrototypeStyle() const;
bool invalidatePropertiesWithViewportUnits(Document&);
enum class ViewportUnitDependency : bool { No, Yes };
enum class ParseInitialValueError : uint8_t { NotComputationallyIndependent, DidNotParse };
static Expected<std::pair<RefPtr<CSSCustomPropertyValue>, ViewportUnitDependency>, ParseInitialValueError> parseInitialValue(const Document&, const AtomString& propertyName, const CSSCustomPropertySyntax&, CSSParserTokenRange);
private:
void invalidate(const AtomString&);
void notifyAnimationsOfCustomPropertyRegistration(const AtomString&);
Scope& m_scope;
UncheckedKeyHashMap<AtomString, UniqueRef<CSSRegisteredCustomProperty>> m_propertiesFromAPI;
UncheckedKeyHashMap<AtomString, UniqueRef<CSSRegisteredCustomProperty>> m_propertiesFromStylesheet;
mutable std::unique_ptr<RenderStyle> m_initialValuePrototypeStyle;
mutable bool m_hasInvalidPrototypeStyle { false };
};
}
}
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