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/*
Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
Copyright (C) 2004-2017 Apple Inc. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#pragma once
#include "CachedResource.h"
namespace WebCore {
class FrameLoader;
class StyleSheetContents;
class TextResourceDecoder;
struct CSSParserContext;
class CachedCSSStyleSheet final : public CachedResource {
public:
CachedCSSStyleSheet(CachedResourceRequest&&, SessionID);
virtual ~CachedCSSStyleSheet();
enum class MIMETypeCheckHint { Strict, Lax };
const String sheetText(MIMETypeCheckHint = MIMETypeCheckHint::Strict, bool* hasValidMIMEType = nullptr) const;
RefPtr<StyleSheetContents> restoreParsedStyleSheet(const CSSParserContext&, CachePolicy, FrameLoader&);
void saveParsedStyleSheet(Ref<StyleSheetContents>&&);
bool mimeTypeAllowedByNosniff() const;
private:
String responseMIMEType() const;
bool canUseSheet(MIMETypeCheckHint, bool* hasValidMIMEType) const;
bool mayTryReplaceEncodedData() const final { return true; }
void didAddClient(CachedResourceClient&) final;
void setEncoding(const String&) final;
String encoding() const final;
const TextResourceDecoder* textResourceDecoder() const final { return m_decoder.get(); }
void finishLoading(SharedBuffer*) final;
void destroyDecodedData() final;
void setBodyDataFrom(const CachedResource&) final;
protected:
void checkNotify() final;
RefPtr<TextResourceDecoder> m_decoder;
String m_decodedSheetText;
RefPtr<StyleSheetContents> m_parsedStyleSheetCache;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CACHED_RESOURCE(CachedCSSStyleSheet, CachedResource::CSSStyleSheet)
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