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| 1 /* | |
| 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | |
| 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> | |
| 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
| 5 Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
| 6 | |
| 7 This library is free software; you can redistribute it and/or | |
| 8 modify it under the terms of the GNU Library General Public | |
| 9 License as published by the Free Software Foundation; either | |
| 10 version 2 of the License, or (at your option) any later version. | |
| 11 | |
| 12 This library is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 Library General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU Library General Public License | |
| 18 along with this library; see the file COPYING.LIB. If not, write to | |
| 19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 20 Boston, MA 02110-1301, USA. | |
| 21 | |
| 22 This class provides all functionality needed for loading images, style | |
| 23 sheets and html pages from the web. It has a memory cache for these objects. | |
| 24 */ | |
| 25 | |
| 26 #ifndef CSSStyleSheetResource_h | |
| 27 #define CSSStyleSheetResource_h | |
| 28 | |
| 29 #include "core/CoreExport.h" | |
| 30 #include "core/fetch/StyleSheetResource.h" | |
| 31 #include "platform/heap/Handle.h" | |
| 32 | |
| 33 namespace blink { | |
| 34 | |
| 35 class CSSParserContext; | |
| 36 class FetchRequest; | |
| 37 class ResourceClient; | |
| 38 class ResourceFetcher; | |
| 39 class StyleSheetContents; | |
| 40 | |
| 41 class CORE_EXPORT CSSStyleSheetResource final : public StyleSheetResource { | |
| 42 public: | |
| 43 enum class MIMETypeCheck { Strict, Lax }; | |
| 44 | |
| 45 static CSSStyleSheetResource* fetch(FetchRequest&, ResourceFetcher*); | |
| 46 static CSSStyleSheetResource* createForTest(const ResourceRequest&, | |
| 47 const String& charset); | |
| 48 | |
| 49 ~CSSStyleSheetResource() override; | |
| 50 DECLARE_VIRTUAL_TRACE(); | |
| 51 | |
| 52 const String sheetText(MIMETypeCheck = MIMETypeCheck::Strict) const; | |
| 53 | |
| 54 void didAddClient(ResourceClient*) override; | |
| 55 | |
| 56 StyleSheetContents* restoreParsedStyleSheet(const CSSParserContext&); | |
| 57 void saveParsedStyleSheet(StyleSheetContents*); | |
| 58 | |
| 59 void appendData(const char* data, size_t length) override; | |
| 60 | |
| 61 private: | |
| 62 class CSSStyleSheetResourceFactory : public ResourceFactory { | |
| 63 public: | |
| 64 CSSStyleSheetResourceFactory() : ResourceFactory(Resource::CSSStyleSheet) {} | |
| 65 | |
| 66 Resource* create(const ResourceRequest& request, | |
| 67 const ResourceLoaderOptions& options, | |
| 68 const String& charset) const override { | |
| 69 return new CSSStyleSheetResource(request, options, charset); | |
| 70 } | |
| 71 }; | |
| 72 CSSStyleSheetResource(const ResourceRequest&, | |
| 73 const ResourceLoaderOptions&, | |
| 74 const String& charset); | |
| 75 | |
| 76 bool canUseSheet(MIMETypeCheck) const; | |
| 77 void checkNotify() override; | |
| 78 | |
| 79 void setParsedStyleSheetCache(StyleSheetContents*); | |
| 80 void setDecodedSheetText(const String&); | |
| 81 | |
| 82 void destroyDecodedDataIfPossible() override; | |
| 83 void destroyDecodedDataForFailedRevalidation() override; | |
| 84 void updateDecodedSize(); | |
| 85 | |
| 86 // Decoded sheet text cache is available iff loading this CSS resource is | |
| 87 // successfully complete. | |
| 88 String m_decodedSheetText; | |
| 89 | |
| 90 Member<StyleSheetContents> m_parsedStyleSheetCache; | |
| 91 | |
| 92 bool m_didNotifyFirstData; | |
| 93 }; | |
| 94 | |
| 95 DEFINE_RESOURCE_TYPE_CASTS(CSSStyleSheet); | |
| 96 | |
| 97 } // namespace blink | |
| 98 | |
| 99 #endif | |
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Chromium Code Reviews
Issue 2504883003:
Loading: move *StyleSheetResource to core/loader/resource (Closed)
