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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) 2006 Samuel Weinig (sam.weinig@gmail.com) | 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
5 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. | 5 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. |
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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73 }; | 73 }; |
74 | 74 |
75 enum Status { | 75 enum Status { |
76 Unknown, // let cache decide what to do with it | 76 Unknown, // let cache decide what to do with it |
77 Pending, // only partially loaded | 77 Pending, // only partially loaded |
78 Cached, // regular case | 78 Cached, // regular case |
79 LoadError, | 79 LoadError, |
80 DecodeError | 80 DecodeError |
81 }; | 81 }; |
82 | 82 |
83 CachedResource(const ResourceRequest&, Type); | 83 enum DecodeCachePriority { |
Justin Novosad
2013/07/19 21:09:53
I'd call this just Priority.
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84 DecodeCachePriorityLow = 0, | |
85 DecodeCachePriorityMedium, | |
86 DecodeCachePriorityHigh | |
87 }; | |
88 | |
89 CachedResource(const ResourceRequest&, Type, DecodeCachePriority = DecodeCac hePriorityMedium); | |
84 virtual ~CachedResource(); | 90 virtual ~CachedResource(); |
85 | 91 |
86 virtual void load(CachedResourceLoader*, const ResourceLoaderOptions&); | 92 virtual void load(CachedResourceLoader*, const ResourceLoaderOptions&); |
87 | 93 |
88 virtual void setEncoding(const String&) { } | 94 virtual void setEncoding(const String&) { } |
89 virtual String encoding() const { return String(); } | 95 virtual String encoding() const { return String(); } |
90 virtual void appendData(const char*, int); | 96 virtual void appendData(const char*, int); |
91 virtual void error(CachedResource::Status); | 97 virtual void error(CachedResource::Status); |
92 | 98 |
93 void setResourceError(const ResourceError& error) { m_error = error; } | 99 void setResourceError(const ResourceError& error) { m_error = error; } |
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162 bool passesAccessControlCheck(SecurityOrigin*, String& errorDescription); | 168 bool passesAccessControlCheck(SecurityOrigin*, String& errorDescription); |
163 bool canBeAccessedBy(SecurityOrigin*, String& error); | 169 bool canBeAccessedBy(SecurityOrigin*, String& error); |
164 | 170 |
165 // Called by the cache if the object has been removed from the cache | 171 // Called by the cache if the object has been removed from the cache |
166 // while still being referenced. This means the object should delete itself | 172 // while still being referenced. This means the object should delete itself |
167 // if the number of clients observing it ever drops to 0. | 173 // if the number of clients observing it ever drops to 0. |
168 // The resource can be brought back to cache after successful revalidation. | 174 // The resource can be brought back to cache after successful revalidation. |
169 void setInCache(bool inCache) { m_inCache = inCache; } | 175 void setInCache(bool inCache) { m_inCache = inCache; } |
170 bool inCache() const { return m_inCache; } | 176 bool inCache() const { return m_inCache; } |
171 | 177 |
178 void setDecodeCachePriority(DecodeCachePriority priority) { m_decodeCachePri ority = priority; } | |
179 DecodeCachePriority decodeCachePriority() { return m_decodeCachePriority; } | |
172 bool inLiveDecodedResourcesList() { return m_inLiveDecodedResourcesList; } | 180 bool inLiveDecodedResourcesList() { return m_inLiveDecodedResourcesList; } |
173 | 181 |
174 void clearLoader(); | 182 void clearLoader(); |
175 | 183 |
176 SharedBuffer* resourceBuffer() const { ASSERT(!m_purgeableData); return m_da ta.get(); } | 184 SharedBuffer* resourceBuffer() const { ASSERT(!m_purgeableData); return m_da ta.get(); } |
177 | 185 |
178 virtual void willSendRequest(ResourceRequest&, const ResourceResponse&) { m_ requestedFromNetworkingLayer = true; } | 186 virtual void willSendRequest(ResourceRequest&, const ResourceResponse&) { m_ requestedFromNetworkingLayer = true; } |
179 virtual void responseReceived(const ResourceResponse&); | 187 virtual void responseReceived(const ResourceResponse&); |
180 void setResponse(const ResourceResponse& response) { m_response = response; } | 188 void setResponse(const ResourceResponse& response) { m_response = response; } |
181 const ResourceResponse& response() const { return m_response; } | 189 const ResourceResponse& response() const { return m_response; } |
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310 unsigned long m_identifier; | 318 unsigned long m_identifier; |
311 | 319 |
312 unsigned m_encodedSize; | 320 unsigned m_encodedSize; |
313 unsigned m_decodedSize; | 321 unsigned m_decodedSize; |
314 unsigned m_accessCount; | 322 unsigned m_accessCount; |
315 unsigned m_handleCount; | 323 unsigned m_handleCount; |
316 unsigned m_preloadCount; | 324 unsigned m_preloadCount; |
317 | 325 |
318 unsigned m_preloadResult : 2; // PreloadResult | 326 unsigned m_preloadResult : 2; // PreloadResult |
319 | 327 |
328 DecodeCachePriority m_decodeCachePriority; | |
Justin Novosad
2013/07/19 21:09:53
Put ": 2" at the end.
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320 bool m_inLiveDecodedResourcesList : 1; | 329 bool m_inLiveDecodedResourcesList : 1; |
321 bool m_requestedFromNetworkingLayer : 1; | 330 bool m_requestedFromNetworkingLayer : 1; |
322 | 331 |
323 bool m_inCache : 1; | 332 bool m_inCache : 1; |
324 bool m_loading : 1; | 333 bool m_loading : 1; |
325 | 334 |
326 bool m_switchingClientsToRevalidatedResource : 1; | 335 bool m_switchingClientsToRevalidatedResource : 1; |
327 | 336 |
328 unsigned m_type : 4; // Type | 337 unsigned m_type : 4; // Type |
329 unsigned m_status : 3; // Status | 338 unsigned m_status : 3; // Status |
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348 // If this field is non-null, the resource has a proxy for checking whether it is still up to date (see m_resourceToRevalidate). | 357 // If this field is non-null, the resource has a proxy for checking whether it is still up to date (see m_resourceToRevalidate). |
349 CachedResource* m_proxyResource; | 358 CachedResource* m_proxyResource; |
350 | 359 |
351 // These handles will need to be updated to point to the m_resourceToRevalid ate in case we get 304 response. | 360 // These handles will need to be updated to point to the m_resourceToRevalid ate in case we get 304 response. |
352 HashSet<CachedResourceHandleBase*> m_handlesToRevalidate; | 361 HashSet<CachedResourceHandleBase*> m_handlesToRevalidate; |
353 }; | 362 }; |
354 | 363 |
355 } | 364 } |
356 | 365 |
357 #endif | 366 #endif |
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