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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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137 ResourceLoaderOptions& mutableOptions() { return m_options; } | 137 ResourceLoaderOptions& mutableOptions() { return m_options; } |
138 | 138 |
139 void didChangePriority(ResourceLoadPriority, int intraPriorityValue); | 139 void didChangePriority(ResourceLoadPriority, int intraPriorityValue); |
140 virtual ResourcePriority priorityFromObservers() { return ResourcePriority()
; } | 140 virtual ResourcePriority priorityFromObservers() { return ResourcePriority()
; } |
141 | 141 |
142 // The reference policy indicates that the client should not affect whether | 142 // The reference policy indicates that the client should not affect whether |
143 // a preload is considered referenced or not. This allows for "passive" | 143 // a preload is considered referenced or not. This allows for "passive" |
144 // resource clients that simply observe the resource. | 144 // resource clients that simply observe the resource. |
145 void addClient(ResourceClient*, PreloadReferencePolicy = MarkAsReferenced); | 145 void addClient(ResourceClient*, PreloadReferencePolicy = MarkAsReferenced); |
146 void removeClient(ResourceClient*); | 146 void removeClient(ResourceClient*); |
147 virtual bool hasClientsOrObservers() const { return !m_clients.isEmpty() ||
!m_clientsAwaitingCallback.isEmpty() || !m_finishedClients.isEmpty(); } | |
148 | 147 |
149 enum PreloadResult { | 148 enum PreloadResult { |
150 PreloadNotReferenced, | 149 PreloadNotReferenced, |
151 PreloadReferenced, | 150 PreloadReferenced, |
152 PreloadReferencedWhileLoading, | 151 PreloadReferencedWhileLoading, |
153 PreloadReferencedWhileComplete | 152 PreloadReferencedWhileComplete |
154 }; | 153 }; |
155 PreloadResult getPreloadResult() const { return static_cast<PreloadResult>(m
_preloadResult); } | 154 PreloadResult getPreloadResult() const { return static_cast<PreloadResult>(m
_preloadResult); } |
156 | 155 |
157 Status getStatus() const { return static_cast<Status>(m_status); } | 156 Status getStatus() const { return static_cast<Status>(m_status); } |
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225 bool canUseCacheValidator(); | 224 bool canUseCacheValidator(); |
226 bool isCacheValidator() const { return m_isRevalidating; } | 225 bool isCacheValidator() const { return m_isRevalidating; } |
227 bool hasCacheControlNoStoreHeader() const; | 226 bool hasCacheControlNoStoreHeader() const; |
228 bool hasVaryHeader() const; | 227 bool hasVaryHeader() const; |
229 virtual bool mustRefetchDueToIntegrityMetadata(const FetchRequest& request)
const { return false; } | 228 virtual bool mustRefetchDueToIntegrityMetadata(const FetchRequest& request)
const { return false; } |
230 | 229 |
231 double currentAge() const; | 230 double currentAge() const; |
232 double freshnessLifetime(); | 231 double freshnessLifetime(); |
233 double stalenessLifetime(); | 232 double stalenessLifetime(); |
234 | 233 |
| 234 bool isAlive() const { return m_isAlive; } |
| 235 |
235 void setCacheIdentifier(const String& cacheIdentifier) { m_cacheIdentifier =
cacheIdentifier; } | 236 void setCacheIdentifier(const String& cacheIdentifier) { m_cacheIdentifier =
cacheIdentifier; } |
236 String cacheIdentifier() const { return m_cacheIdentifier; } | 237 String cacheIdentifier() const { return m_cacheIdentifier; } |
237 | 238 |
238 virtual void didSendData(unsigned long long /* bytesSent */, unsigned long l
ong /* totalBytesToBeSent */) { } | 239 virtual void didSendData(unsigned long long /* bytesSent */, unsigned long l
ong /* totalBytesToBeSent */) { } |
239 virtual void didDownloadData(int) { } | 240 virtual void didDownloadData(int) { } |
240 | 241 |
241 double loadFinishTime() const { return m_loadFinishTime; } | 242 double loadFinishTime() const { return m_loadFinishTime; } |
242 | 243 |
243 void addToEncodedBodyLength(int value) { m_response.addToEncodedBodyLength(v
alue); } | 244 void addToEncodedBodyLength(int value) { m_response.addToEncodedBodyLength(v
alue); } |
244 void addToDecodedBodyLength(int value) { m_response.addToDecodedBodyLength(v
alue); } | 245 void addToDecodedBodyLength(int value) { m_response.addToDecodedBodyLength(v
alue); } |
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257 | 258 |
258 virtual void checkNotify(); | 259 virtual void checkNotify(); |
259 | 260 |
260 enum class MarkFinishedOption { | 261 enum class MarkFinishedOption { |
261 ShouldMarkFinished, | 262 ShouldMarkFinished, |
262 DoNotMarkFinished | 263 DoNotMarkFinished |
263 }; | 264 }; |
264 void notifyClientsInternal(MarkFinishedOption); | 265 void notifyClientsInternal(MarkFinishedOption); |
265 void markClientFinished(ResourceClient*); | 266 void markClientFinished(ResourceClient*); |
266 | 267 |
| 268 virtual bool hasClientsOrObservers() const { return !m_clients.isEmpty() ||
!m_clientsAwaitingCallback.isEmpty() || !m_finishedClients.isEmpty(); } |
267 virtual void destroyDecodedDataForFailedRevalidation() { } | 269 virtual void destroyDecodedDataForFailedRevalidation() { } |
268 | 270 |
269 void setEncodedSize(size_t); | 271 void setEncodedSize(size_t); |
270 void setDecodedSize(size_t); | 272 void setDecodedSize(size_t); |
271 void didAccessDecodedData(); | 273 void didAccessDecodedData(); |
272 | 274 |
273 void finishPendingClients(); | 275 void finishPendingClients(); |
274 | 276 |
275 virtual void didAddClient(ResourceClient*); | 277 virtual void didAddClient(ResourceClient*); |
276 void willAddClientOrObserver(PreloadReferencePolicy); | 278 void willAddClientOrObserver(PreloadReferencePolicy); |
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293 ResourceRequest m_request; | 295 ResourceRequest m_request; |
294 ResourceResponse m_redirectResponse; | 296 ResourceResponse m_redirectResponse; |
295 }; | 297 }; |
296 const Vector<RedirectPair>& redirectChain() const { return m_redirectChain;
} | 298 const Vector<RedirectPair>& redirectChain() const { return m_redirectChain;
} |
297 | 299 |
298 virtual void destroyDecodedDataIfPossible() { } | 300 virtual void destroyDecodedDataIfPossible() { } |
299 | 301 |
300 // Returns the memory dump name used for tracing. See Resource::onMemoryDump
. | 302 // Returns the memory dump name used for tracing. See Resource::onMemoryDump
. |
301 String getMemoryDumpName() const; | 303 String getMemoryDumpName() const; |
302 | 304 |
303 const HashCountedSet<ResourceClient*>& clients() const { return m_clients; } | 305 const HeapHashCountedSet<WeakMember<ResourceClient>>& clients() const { retu
rn m_clients; } |
304 DataBufferingPolicy dataBufferingPolicy() const { return m_options.dataBuffe
ringPolicy; } | 306 DataBufferingPolicy dataBufferingPolicy() const { return m_options.dataBuffe
ringPolicy; } |
305 | 307 |
306 void setCachePolicyBypassingCache(); | 308 void setCachePolicyBypassingCache(); |
307 void setLoFiStateOff(); | 309 void setLoFiStateOff(); |
308 | 310 |
309 SharedBuffer* data() const { return m_data.get(); } | 311 SharedBuffer* data() const { return m_data.get(); } |
310 void clearData() { m_data.clear(); } | 312 void clearData() { m_data.clear(); } |
311 | 313 |
312 private: | 314 private: |
313 class ResourceCallback; | 315 class ResourceCallback; |
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350 | 352 |
351 String m_cacheIdentifier; | 353 String m_cacheIdentifier; |
352 | 354 |
353 unsigned m_preloadResult : 2; // PreloadResult | 355 unsigned m_preloadResult : 2; // PreloadResult |
354 unsigned m_type : 4; // Type | 356 unsigned m_type : 4; // Type |
355 unsigned m_status : 3; // Status | 357 unsigned m_status : 3; // Status |
356 | 358 |
357 unsigned m_needsSynchronousCacheHit : 1; | 359 unsigned m_needsSynchronousCacheHit : 1; |
358 unsigned m_linkPreload : 1; | 360 unsigned m_linkPreload : 1; |
359 bool m_isRevalidating : 1; | 361 bool m_isRevalidating : 1; |
| 362 bool m_isAlive : 1; |
360 | 363 |
361 // Ordered list of all redirects followed while fetching this resource. | 364 // Ordered list of all redirects followed while fetching this resource. |
362 Vector<RedirectPair> m_redirectChain; | 365 Vector<RedirectPair> m_redirectChain; |
363 | 366 |
364 HashCountedSet<ResourceClient*> m_clients; | 367 HeapHashCountedSet<WeakMember<ResourceClient>> m_clients; |
365 HashCountedSet<ResourceClient*> m_clientsAwaitingCallback; | 368 HeapHashCountedSet<WeakMember<ResourceClient>> m_clientsAwaitingCallback; |
366 HashCountedSet<ResourceClient*> m_finishedClients; | 369 HeapHashCountedSet<WeakMember<ResourceClient>> m_finishedClients; |
367 | 370 |
368 ResourceLoaderOptions m_options; | 371 ResourceLoaderOptions m_options; |
369 | 372 |
370 double m_responseTimestamp; | 373 double m_responseTimestamp; |
371 | 374 |
372 Timer<Resource> m_cancelTimer; | 375 Timer<Resource> m_cancelTimer; |
373 | 376 |
374 ResourceRequest m_resourceRequest; | 377 ResourceRequest m_resourceRequest; |
375 Member<ResourceLoader> m_loader; | 378 Member<ResourceLoader> m_loader; |
376 ResourceResponse m_response; | 379 ResourceResponse m_response; |
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389 | 392 |
390 Resource::Type m_type; | 393 Resource::Type m_type; |
391 }; | 394 }; |
392 | 395 |
393 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \ | 396 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \ |
394 DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->getType(
) == Resource::typeName, resource.getType() == Resource::typeName); | 397 DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->getType(
) == Resource::typeName, resource.getType() == Resource::typeName); |
395 | 398 |
396 } // namespace blink | 399 } // namespace blink |
397 | 400 |
398 #endif | 401 #endif |
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