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1 /* | 1 /* |
2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> | 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> |
4 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
rights reserved. | 4 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
rights reserved. |
5 Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/ | 5 Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/ |
6 | 6 |
7 This library is free software; you can redistribute it and/or | 7 This library is free software; you can redistribute it and/or |
8 modify it under the terms of the GNU Library General Public | 8 modify it under the terms of the GNU Library General Public |
9 License as published by the Free Software Foundation; either | 9 License as published by the Free Software Foundation; either |
10 version 2 of the License, or (at your option) any later version. | 10 version 2 of the License, or (at your option) any later version. |
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48 class CachedRawResource; | 48 class CachedRawResource; |
49 class CachedScript; | 49 class CachedScript; |
50 class CachedShader; | 50 class CachedShader; |
51 class CachedTextTrack; | 51 class CachedTextTrack; |
52 class CachedXSLStyleSheet; | 52 class CachedXSLStyleSheet; |
53 class Document; | 53 class Document; |
54 class DocumentLoader; | 54 class DocumentLoader; |
55 class Frame; | 55 class Frame; |
56 class ImageLoader; | 56 class ImageLoader; |
57 class KURL; | 57 class KURL; |
| 58 class ResourceTimingInfo; |
58 | 59 |
59 // The CachedResourceLoader provides a per-context interface to the MemoryCache | 60 // The CachedResourceLoader provides a per-context interface to the MemoryCache |
60 // and enforces a bunch of security checks and rules for resource revalidation. | 61 // and enforces a bunch of security checks and rules for resource revalidation. |
61 // Its lifetime is roughly per-DocumentLoader, in that it is generally created | 62 // Its lifetime is roughly per-DocumentLoader, in that it is generally created |
62 // in the DocumentLoader constructor and loses its ability to generate network | 63 // in the DocumentLoader constructor and loses its ability to generate network |
63 // requests when the DocumentLoader is destroyed. Documents also hold a | 64 // requests when the DocumentLoader is destroyed. Documents also hold a |
64 // RefPtr<CachedResourceLoader> for their lifetime (and will create one if they | 65 // RefPtr<CachedResourceLoader> for their lifetime (and will create one if they |
65 // are initialized without a Frame), so a Document can keep a CachedResourceLoad
er | 66 // are initialized without a Frame), so a Document can keep a CachedResourceLoad
er |
66 // alive past detach if scripts still reference the Document. | 67 // alive past detach if scripts still reference the Document. |
67 class CachedResourceLoader : public RefCounted<CachedResourceLoader> { | 68 class CachedResourceLoader : public RefCounted<CachedResourceLoader> { |
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106 | 107 |
107 Frame* frame() const; // Can be null | 108 Frame* frame() const; // Can be null |
108 Document* document() const { return m_document; } // Can be null | 109 Document* document() const { return m_document; } // Can be null |
109 void setDocument(Document* document) { m_document = document; } | 110 void setDocument(Document* document) { m_document = document; } |
110 | 111 |
111 DocumentLoader* documentLoader() const { return m_documentLoader; } | 112 DocumentLoader* documentLoader() const { return m_documentLoader; } |
112 void clearDocumentLoader() { m_documentLoader = 0; } | 113 void clearDocumentLoader() { m_documentLoader = 0; } |
113 | 114 |
114 void loadDone(CachedResource*); | 115 void loadDone(CachedResource*); |
115 void garbageCollectDocumentResources(); | 116 void garbageCollectDocumentResources(); |
| 117 void redirectReceived(CachedResource*, const ResourceResponse&); |
116 | 118 |
117 void incrementRequestCount(const CachedResource*); | 119 void incrementRequestCount(const CachedResource*); |
118 void decrementRequestCount(const CachedResource*); | 120 void decrementRequestCount(const CachedResource*); |
119 int requestCount() const { return m_requestCount; } | 121 int requestCount() const { return m_requestCount; } |
120 | 122 |
121 bool isPreloaded(const String& urlString) const; | 123 bool isPreloaded(const String& urlString) const; |
122 void clearPreloads(); | 124 void clearPreloads(); |
123 void clearPendingPreloads(); | 125 void clearPendingPreloads(); |
124 void preload(CachedResource::Type, CachedResourceRequest&, const String& cha
rset); | 126 void preload(CachedResource::Type, CachedResourceRequest&, const String& cha
rset); |
125 void checkForPendingPreloads(); | 127 void checkForPendingPreloads(); |
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166 OwnPtr<ListHashSet<CachedResource*> > m_preloads; | 168 OwnPtr<ListHashSet<CachedResource*> > m_preloads; |
167 struct PendingPreload { | 169 struct PendingPreload { |
168 CachedResource::Type m_type; | 170 CachedResource::Type m_type; |
169 CachedResourceRequest m_request; | 171 CachedResourceRequest m_request; |
170 String m_charset; | 172 String m_charset; |
171 }; | 173 }; |
172 Deque<PendingPreload> m_pendingPreloads; | 174 Deque<PendingPreload> m_pendingPreloads; |
173 | 175 |
174 Timer<CachedResourceLoader> m_garbageCollectDocumentResourcesTimer; | 176 Timer<CachedResourceLoader> m_garbageCollectDocumentResourcesTimer; |
175 | 177 |
176 HashMap<CachedResource*, CachedResourceInitiatorInfo> m_initiatorMap; | 178 typedef HashMap<CachedResource*, RefPtr<ResourceTimingInfo> > ResourceTiming
InfoMap; |
| 179 ResourceTimingInfoMap m_resourceTimingInfoMap; |
177 | 180 |
178 // 29 bits left | 181 // 29 bits left |
179 bool m_autoLoadImages : 1; | 182 bool m_autoLoadImages : 1; |
180 bool m_imagesEnabled : 1; | 183 bool m_imagesEnabled : 1; |
181 bool m_allowStaleResources : 1; | 184 bool m_allowStaleResources : 1; |
182 }; | 185 }; |
183 | 186 |
184 class ResourceCacheValidationSuppressor { | 187 class ResourceCacheValidationSuppressor { |
185 WTF_MAKE_NONCOPYABLE(ResourceCacheValidationSuppressor); | 188 WTF_MAKE_NONCOPYABLE(ResourceCacheValidationSuppressor); |
186 WTF_MAKE_FAST_ALLOCATED; | 189 WTF_MAKE_FAST_ALLOCATED; |
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200 m_loader->m_allowStaleResources = m_previousState; | 203 m_loader->m_allowStaleResources = m_previousState; |
201 } | 204 } |
202 private: | 205 private: |
203 CachedResourceLoader* m_loader; | 206 CachedResourceLoader* m_loader; |
204 bool m_previousState; | 207 bool m_previousState; |
205 }; | 208 }; |
206 | 209 |
207 } // namespace WebCore | 210 } // namespace WebCore |
208 | 211 |
209 #endif | 212 #endif |
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