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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 | 5 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All |
6 rights reserved. | 6 rights reserved. |
7 | 7 |
8 This library is free software; you can redistribute it and/or | 8 This library is free software; you can redistribute it and/or |
9 modify it under the terms of the GNU Library General Public | 9 modify it under the terms of the GNU Library General Public |
10 License as published by the Free Software Foundation; either | 10 License as published by the Free Software Foundation; either |
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324 | 324 |
325 // Used by the MemoryCache to reduce the memory consumption of the entry. | 325 // Used by the MemoryCache to reduce the memory consumption of the entry. |
326 void prune(); | 326 void prune(); |
327 | 327 |
328 virtual void onMemoryDump(WebMemoryDumpLevelOfDetail, | 328 virtual void onMemoryDump(WebMemoryDumpLevelOfDetail, |
329 WebProcessMemoryDump*) const; | 329 WebProcessMemoryDump*) const; |
330 | 330 |
331 // If this Resource is ImageResource and has the Lo-Fi response headers or is | 331 // If this Resource is ImageResource and has the Lo-Fi response headers or is |
332 // a placeholder, reload the full original image with the Lo-Fi state set to | 332 // a placeholder, reload the full original image with the Lo-Fi state set to |
333 // off and optionally bypassing the cache. | 333 // off and optionally bypassing the cache. |
334 virtual void reloadIfLoFiOrPlaceholderImage(ResourceFetcher*, | 334 // If reloading is started, this method returns a new Resource that is used |
335 ReloadLoFiOrPlaceholderPolicy) {} | 335 // for reloading, and |this| should be no longer used. |
| 336 // Otherwise, this method returns nullptr. |
| 337 virtual Resource* reloadIfLoFiOrPlaceholderImage( |
| 338 ResourceFetcher*, |
| 339 ReloadLoFiOrPlaceholderPolicy) { |
| 340 return nullptr; |
| 341 } |
336 | 342 |
337 static const char* resourceTypeToString( | 343 static const char* resourceTypeToString( |
338 Type, | 344 Type, |
339 const AtomicString& fetchInitiatorName); | 345 const AtomicString& fetchInitiatorName); |
340 | 346 |
341 protected: | 347 protected: |
342 Resource(const ResourceRequest&, Type, const ResourceLoaderOptions&); | 348 Resource(const ResourceRequest&, Type, const ResourceLoaderOptions&); |
343 | 349 |
344 virtual void checkNotify(); | 350 virtual void checkNotify(); |
345 | 351 |
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383 | 389 |
384 virtual void destroyDecodedDataIfPossible() {} | 390 virtual void destroyDecodedDataIfPossible() {} |
385 | 391 |
386 // Returns the memory dump name used for tracing. See Resource::onMemoryDump. | 392 // Returns the memory dump name used for tracing. See Resource::onMemoryDump. |
387 String getMemoryDumpName() const; | 393 String getMemoryDumpName() const; |
388 | 394 |
389 const HeapHashCountedSet<WeakMember<ResourceClient>>& clients() const { | 395 const HeapHashCountedSet<WeakMember<ResourceClient>>& clients() const { |
390 return m_clients; | 396 return m_clients; |
391 } | 397 } |
392 | 398 |
393 void setCachePolicyBypassingCache(); | |
394 void setPreviewsStateNoTransform(); | |
395 void clearRangeRequestHeader(); | |
396 | |
397 SharedBuffer* data() const { return m_data.get(); } | 399 SharedBuffer* data() const { return m_data.get(); } |
398 void clearData(); | 400 void clearData(); |
399 | 401 |
400 class ProhibitAddRemoveClientInScope : public AutoReset<bool> { | 402 class ProhibitAddRemoveClientInScope : public AutoReset<bool> { |
401 public: | 403 public: |
402 ProhibitAddRemoveClientInScope(Resource* resource) | 404 ProhibitAddRemoveClientInScope(Resource* resource) |
403 : AutoReset(&resource->m_isAddRemoveClientProhibited, true) {} | 405 : AutoReset(&resource->m_isAddRemoveClientProhibited, true) {} |
404 }; | 406 }; |
405 | 407 |
406 class RevalidationStartForbiddenScope : public AutoReset<bool> { | 408 class RevalidationStartForbiddenScope : public AutoReset<bool> { |
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501 }; | 503 }; |
502 | 504 |
503 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \ | 505 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \ |
504 DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, \ | 506 DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, \ |
505 resource->getType() == Resource::typeName, \ | 507 resource->getType() == Resource::typeName, \ |
506 resource.getType() == Resource::typeName); | 508 resource.getType() == Resource::typeName); |
507 | 509 |
508 } // namespace blink | 510 } // namespace blink |
509 | 511 |
510 #endif | 512 #endif |
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