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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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26 #ifndef ResourceFetcher_h | 26 #ifndef ResourceFetcher_h |
27 #define ResourceFetcher_h | 27 #define ResourceFetcher_h |
28 | 28 |
29 #include "core/CoreExport.h" | 29 #include "core/CoreExport.h" |
30 #include "core/fetch/CachePolicy.h" | 30 #include "core/fetch/CachePolicy.h" |
31 #include "core/fetch/FetchContext.h" | 31 #include "core/fetch/FetchContext.h" |
32 #include "core/fetch/FetchInitiatorInfo.h" | 32 #include "core/fetch/FetchInitiatorInfo.h" |
33 #include "core/fetch/FetchRequest.h" | 33 #include "core/fetch/FetchRequest.h" |
34 #include "core/fetch/Resource.h" | 34 #include "core/fetch/Resource.h" |
35 #include "core/fetch/ResourceLoaderOptions.h" | 35 #include "core/fetch/ResourceLoaderOptions.h" |
| 36 #include "core/fetch/ResourceLoaderSet.h" |
36 #include "core/fetch/SubstituteData.h" | 37 #include "core/fetch/SubstituteData.h" |
37 #include "platform/Timer.h" | 38 #include "platform/Timer.h" |
38 #include "platform/network/ResourceError.h" | 39 #include "platform/network/ResourceError.h" |
39 #include "platform/network/ResourceLoadPriority.h" | 40 #include "platform/network/ResourceLoadPriority.h" |
40 #include "wtf/HashMap.h" | 41 #include "wtf/HashMap.h" |
41 #include "wtf/HashSet.h" | 42 #include "wtf/HashSet.h" |
42 #include "wtf/ListHashSet.h" | 43 #include "wtf/ListHashSet.h" |
43 #include "wtf/text/StringHash.h" | 44 #include "wtf/text/StringHash.h" |
44 | 45 |
45 namespace blink { | 46 namespace blink { |
46 | 47 |
47 class ArchiveResource; | 48 class ArchiveResource; |
48 class CSSStyleSheetResource; | 49 class CSSStyleSheetResource; |
49 class DocumentResource; | 50 class DocumentResource; |
50 class FontResource; | 51 class FontResource; |
51 class ImageResource; | 52 class ImageResource; |
52 class MHTMLArchive; | 53 class MHTMLArchive; |
53 class RawResource; | 54 class RawResource; |
54 class ScriptResource; | 55 class ScriptResource; |
55 class XSLStyleSheetResource; | 56 class XSLStyleSheetResource; |
56 class KURL; | 57 class KURL; |
57 class ResourceTimingInfo; | 58 class ResourceTimingInfo; |
58 class ResourceLoaderSet; | |
59 | 59 |
60 // The ResourceFetcher provides a per-context interface to the MemoryCache | 60 // The ResourceFetcher provides a per-context interface to the MemoryCache |
61 // 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. |
62 // 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 |
63 // in the DocumentLoader constructor and loses its ability to generate network | 63 // in the DocumentLoader constructor and loses its ability to generate network |
64 // requests when the DocumentLoader is destroyed. Documents also hold a pointer | 64 // requests when the DocumentLoader is destroyed. Documents also hold a pointer |
65 // to ResourceFetcher for their lifetime (and will create one if they | 65 // to ResourceFetcher for their lifetime (and will create one if they |
66 // are initialized without a LocalFrame), so a Document can keep a ResourceFetch
er | 66 // are initialized without a LocalFrame), so a Document can keep a ResourceFetch
er |
67 // alive past detach if scripts still reference the Document. | 67 // alive past detach if scripts still reference the Document. |
68 class CORE_EXPORT ResourceFetcher : public GarbageCollectedFinalized<ResourceFet
cher> { | 68 class CORE_EXPORT ResourceFetcher : public GarbageCollectedFinalized<ResourceFet
cher> { |
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186 Member<HeapListHashSet<Member<Resource>>> m_preloads; | 186 Member<HeapListHashSet<Member<Resource>>> m_preloads; |
187 Member<MHTMLArchive> m_archive; | 187 Member<MHTMLArchive> m_archive; |
188 | 188 |
189 Timer<ResourceFetcher> m_resourceTimingReportTimer; | 189 Timer<ResourceFetcher> m_resourceTimingReportTimer; |
190 | 190 |
191 using ResourceTimingInfoMap = HeapHashMap<Member<Resource>, OwnPtr<ResourceT
imingInfo>>; | 191 using ResourceTimingInfoMap = HeapHashMap<Member<Resource>, OwnPtr<ResourceT
imingInfo>>; |
192 ResourceTimingInfoMap m_resourceTimingInfoMap; | 192 ResourceTimingInfoMap m_resourceTimingInfoMap; |
193 | 193 |
194 Vector<OwnPtr<ResourceTimingInfo>> m_scheduledResourceTimingReports; | 194 Vector<OwnPtr<ResourceTimingInfo>> m_scheduledResourceTimingReports; |
195 | 195 |
196 Member<ResourceLoaderSet> m_loaders; | 196 ResourceLoaderSet m_loaders; |
197 Member<ResourceLoaderSet> m_nonBlockingLoaders; | 197 ResourceLoaderSet m_nonBlockingLoaders; |
198 | 198 |
199 // Used in hit rate histograms. | 199 // Used in hit rate histograms. |
200 class DeadResourceStatsRecorder { | 200 class DeadResourceStatsRecorder { |
201 DISALLOW_NEW(); | 201 DISALLOW_NEW(); |
202 public: | 202 public: |
203 DeadResourceStatsRecorder(); | 203 DeadResourceStatsRecorder(); |
204 ~DeadResourceStatsRecorder(); | 204 ~DeadResourceStatsRecorder(); |
205 | 205 |
206 void update(RevalidationPolicy); | 206 void update(RevalidationPolicy); |
207 | 207 |
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237 m_loader->m_allowStaleResources = m_previousState; | 237 m_loader->m_allowStaleResources = m_previousState; |
238 } | 238 } |
239 private: | 239 private: |
240 Member<ResourceFetcher> m_loader; | 240 Member<ResourceFetcher> m_loader; |
241 bool m_previousState; | 241 bool m_previousState; |
242 }; | 242 }; |
243 | 243 |
244 } // namespace blink | 244 } // namespace blink |
245 | 245 |
246 #endif // ResourceFetcher_h | 246 #endif // ResourceFetcher_h |
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