1 /* 2 Copyright (C) 1998 Lars Knoll (knoll (at) mpi-hd.mpg.de) 3 Copyright (C) 2001 Dirk Mueller <mueller (at) kde.org> 4 Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com) 5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. 6 7 This library is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Library General Public 9 License as published by the Free Software Foundation; either 10 version 2 of the License, or (at your option) any later version. 11 12 This library is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public License 18 along with this library; see the file COPYING.LIB. If not, write to 19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef RawResource_h 24 #define RawResource_h 25 26 #include "core/fetch/ResourceClient.h" 27 #include "core/fetch/ResourcePtr.h" 28 29 namespace blink { 30 class RawResourceCallback; 31 class RawResourceClient; 32 33 class RawResource FINAL : public Resource { 34 public: 35 typedef RawResourceClient ClientType; 36 37 RawResource(const ResourceRequest&, Type); 38 39 // FIXME: AssociatedURLLoader shouldn't be a DocumentThreadableLoader and therefore shouldn't 40 // use RawResource. However, it is, and it needs to be able to defer loading. 41 // This can be fixed by splitting CORS preflighting out of DocumentThreacableLoader. 42 void setDefersLoading(bool); 43 44 virtual bool canReuse(const ResourceRequest&) const OVERRIDE; 45 46 private: 47 virtual void didAddClient(ResourceClient*) OVERRIDE; 48 virtual void appendData(const char*, int) OVERRIDE; 49 50 virtual bool shouldIgnoreHTTPStatusCodeErrors() const OVERRIDE { return true; } 51 52 virtual void willSendRequest(ResourceRequest&, const ResourceResponse&) OVERRIDE; 53 virtual void updateRequest(const ResourceRequest&) OVERRIDE; 54 virtual void responseReceived(const ResourceResponse&) OVERRIDE; 55 virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) OVERRIDE; 56 virtual void didDownloadData(int) OVERRIDE; 57 }; 58 59 #if ENABLE(SECURITY_ASSERT) 60 inline bool isRawResource(const Resource& resource) 61 { 62 Resource::Type type = resource.type(); 63 return type == Resource::MainResource || type == Resource::Raw || type == Resource::TextTrack || type == Resource::Media || type == Resource::ImportResource; 64 } 65 #endif 66 inline RawResource* toRawResource(const ResourcePtr<Resource>& resource) 67 { 68 ASSERT_WITH_SECURITY_IMPLICATION(!resource || isRawResource(*resource.get())); 69 return static_cast<RawResource*>(resource.get()); 70 } 71 72 class RawResourceClient : public ResourceClient { 73 public: 74 virtual ~RawResourceClient() { } 75 static ResourceClientType expectedType() { return RawResourceType; } 76 virtual ResourceClientType resourceClientType() const OVERRIDE FINAL { return expectedType(); } 77 78 virtual void dataSent(Resource*, unsigned long long /* bytesSent */, unsigned long long /* totalBytesToBeSent */) { } 79 virtual void responseReceived(Resource*, const ResourceResponse&) { } 80 virtual void dataReceived(Resource*, const char* /* data */, int /* length */) { } 81 virtual void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&) { } 82 virtual void updateRequest(Resource*, const ResourceRequest&) { } 83 virtual void dataDownloaded(Resource*, int) { } 84 }; 85 86 } 87 88 #endif // RawResource_h 89