90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2002, 2006, 2008, 2012 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 "CachedResourceHandle.h"
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#include "CachedStyleSheetClient.h"
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#include "StyleRule.h"
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#include <wtf/TypeCasts.h>
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namespace WebCore {
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class CachedCSSStyleSheet;
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class MediaQuerySet;
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class StyleSheetContents;
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class StyleRuleImport final : public StyleRuleBase {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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static Ref<StyleRuleImport> create(const String& href, Ref<MediaQuerySet>&&);
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~StyleRuleImport();
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StyleSheetContents* parentStyleSheet() const { return m_parentStyleSheet; }
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void setParentStyleSheet(StyleSheetContents* sheet) { ASSERT(sheet); m_parentStyleSheet = sheet; }
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void clearParentStyleSheet() { m_parentStyleSheet = 0; }
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String href() const { return m_strHref; }
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StyleSheetContents* styleSheet() const { return m_styleSheet.get(); }
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bool isLoading() const;
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MediaQuerySet* mediaQueries() const { return m_mediaQueries.get(); }
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void requestStyleSheet();
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const CachedCSSStyleSheet* cachedCSSStyleSheet() const { return m_cachedSheet.get(); }
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private:
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// NOTE: We put the CachedStyleSheetClient in a member instead of inheriting from it
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// to avoid adding a vptr to StyleRuleImport.
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class ImportedStyleSheetClient final : public CachedStyleSheetClient {
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public:
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ImportedStyleSheetClient(StyleRuleImport* ownerRule) : m_ownerRule(ownerRule) { }
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virtual ~ImportedStyleSheetClient() = default;
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void setCSSStyleSheet(const String& href, const URL& baseURL, const String& charset, const CachedCSSStyleSheet* sheet) final
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{
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m_ownerRule->setCSSStyleSheet(href, baseURL, charset, sheet);
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}
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private:
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StyleRuleImport* m_ownerRule;
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};
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void setCSSStyleSheet(const String& href, const URL& baseURL, const String& charset, const CachedCSSStyleSheet*);
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friend class ImportedStyleSheetClient;
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StyleRuleImport(const String& href, Ref<MediaQuerySet>&&);
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StyleSheetContents* m_parentStyleSheet { nullptr };
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ImportedStyleSheetClient m_styleSheetClient;
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String m_strHref;
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RefPtr<MediaQuerySet> m_mediaQueries;
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RefPtr<StyleSheetContents> m_styleSheet;
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CachedResourceHandle<CachedCSSStyleSheet> m_cachedSheet;
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bool m_loading { false };
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::StyleRuleImport)
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static bool isType(const WebCore::StyleRuleBase& rule) { return rule.isImportRule(); }
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SPECIALIZE_TYPE_TRAITS_END()
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