89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2004-2021 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "CSSValue.h"
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#include "CachedResourceHandle.h"
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#include "ResourceLoaderOptions.h"
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#include <wtf/Function.h>
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#include <wtf/Ref.h>
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namespace WebCore {
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class CachedImage;
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class CachedResourceLoader;
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class DeprecatedCSSOMValue;
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class CSSStyleDeclaration;
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class RenderElement;
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namespace Style {
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class BuilderState;
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}
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struct ResolvedURL {
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String specifiedURLString;
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URL resolvedURL;
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};
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class CSSImageValue final : public CSSValue {
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public:
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static Ref<CSSImageValue> create(ResolvedURL&&, LoadedFromOpaqueSource);
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static Ref<CSSImageValue> create(URL&&, LoadedFromOpaqueSource);
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static Ref<CSSImageValue> create(CachedImage&);
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~CSSImageValue();
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bool isPending() const;
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CachedImage* loadImage(CachedResourceLoader&, const ResourceLoaderOptions&);
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CachedImage* cachedImage() const { return m_cachedImage ? m_cachedImage.value().get() : nullptr; }
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const URL& imageURL() const { return m_location.resolvedURL; }
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String customCSSText() const;
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Ref<DeprecatedCSSOMValue> createDeprecatedCSSOMWrapper(CSSStyleDeclaration&) const;
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bool traverseSubresources(const WTF::Function<bool (const CachedResource&)>& handler) const;
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bool equals(const CSSImageValue&) const;
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bool knownToBeOpaque(const RenderElement&) const;
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void setInitiator(const AtomString& name) { m_initiatorName = name; }
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Ref<CSSImageValue> valueWithStylesResolved(Style::BuilderState&);
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private:
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CSSImageValue(ResolvedURL&&, LoadedFromOpaqueSource);
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explicit CSSImageValue(CachedImage&);
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URL reresolvedURL(const Document&) const;
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ResolvedURL m_location;
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std::optional<CachedResourceHandle<CachedImage>> m_cachedImage;
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AtomString m_initiatorName;
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LoadedFromOpaqueSource m_loadedFromOpaqueSource { LoadedFromOpaqueSource::No };
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RefPtr<CSSImageValue> m_unresolvedValue;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSImageValue, isImageValue())
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