| /* |
| * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| * (C) 2002-2003 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2002, 2006, 2008, 2012 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. |
| */ |
| |
| #ifndef StyleRuleImport_h |
| #define StyleRuleImport_h |
| |
| #include "core/css/StyleRule.h" |
| #include "core/fetch/ResourcePtr.h" |
| #include "core/fetch/StyleSheetResourceClient.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace WebCore { |
| |
| class CSSStyleSheetResource; |
| class MediaQuerySet; |
| class StyleSheetContents; |
| |
| class StyleRuleImport : public StyleRuleBase { |
| WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; |
| public: |
| static PassRefPtrWillBeRawPtr<StyleRuleImport> create(const String& href, PassRefPtrWillBeRawPtr<MediaQuerySet>); |
| |
| ~StyleRuleImport(); |
| |
| StyleSheetContents* parentStyleSheet() const { return m_parentStyleSheet; } |
| void setParentStyleSheet(StyleSheetContents* sheet) { ASSERT(sheet); m_parentStyleSheet = sheet; } |
| void clearParentStyleSheet() { m_parentStyleSheet = nullptr; } |
| |
| String href() const { return m_strHref; } |
| StyleSheetContents* styleSheet() const { return m_styleSheet.get(); } |
| |
| bool isLoading() const; |
| MediaQuerySet* mediaQueries() { return m_mediaQueries.get(); } |
| |
| void requestStyleSheet(); |
| |
| void traceAfterDispatch(Visitor*); |
| |
| private: |
| // FIXME: inherit from StyleSheetResourceClient directly to eliminate raw back pointer, as there are no space savings in this. |
| // NOTE: We put the StyleSheetResourceClient in a member instead of inheriting from it |
| // to avoid adding a vptr to StyleRuleImport. |
| class ImportedStyleSheetClient FINAL : public StyleSheetResourceClient { |
| public: |
| ImportedStyleSheetClient(StyleRuleImport* ownerRule) : m_ownerRule(ownerRule) { } |
| virtual ~ImportedStyleSheetClient() { } |
| virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource* sheet) OVERRIDE |
| { |
| m_ownerRule->setCSSStyleSheet(href, baseURL, charset, sheet); |
| } |
| private: |
| StyleRuleImport* m_ownerRule; |
| }; |
| |
| void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource*); |
| friend class ImportedStyleSheetClient; |
| |
| StyleRuleImport(const String& href, PassRefPtrWillBeRawPtr<MediaQuerySet>); |
| |
| RawPtrWillBeMember<StyleSheetContents> m_parentStyleSheet; |
| |
| ImportedStyleSheetClient m_styleSheetClient; |
| String m_strHref; |
| RefPtrWillBeMember<MediaQuerySet> m_mediaQueries; |
| RefPtrWillBeMember<StyleSheetContents> m_styleSheet; |
| ResourcePtr<CSSStyleSheetResource> m_resource; |
| bool m_loading; |
| }; |
| |
| DEFINE_STYLE_RULE_TYPE_CASTS(Import); |
| |
| } // namespace WebCore |
| |
| #endif |