1 /*
2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
4 Copyright (C) 2006 Samuel Weinig (sam.weinig@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 WebCore {
30 class RawResourceCallback;
31 class RawResourceClient;
32
33 class RawResource : 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 virtual void setDefersLoading(bool);
43
44 virtual void setDataBufferingPolicy(DataBufferingPolicy);
45
46 void clear();
47
48 virtual bool canReuse(const ResourceRequest&) const;
49
50 private:
51 virtual void didAddClient(ResourceClient*);
52 virtual void appendData(const char*, int) OVERRIDE;
53
shouldIgnoreHTTPStatusCodeErrors()54 virtual bool shouldIgnoreHTTPStatusCodeErrors() const { return true; }
55
56 virtual void willSendRequest(ResourceRequest&, const ResourceResponse&);
57 virtual void responseReceived(const ResourceResponse&);
58 virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
59 virtual void didDownloadData(int);
60
61 struct RedirectPair {
62 public:
RedirectPairRedirectPair63 explicit RedirectPair(const ResourceRequest& request, const ResourceResponse& redirectResponse)
64 : m_request(request)
65 , m_redirectResponse(redirectResponse)
66 {
67 }
68
69 const ResourceRequest m_request;
70 const ResourceResponse m_redirectResponse;
71 };
72
73 Vector<RedirectPair> m_redirectChain;
74 };
75
76 #ifdef SECURITY_ASSERT_ENABLED
isRawResource(const Resource & resource)77 inline bool isRawResource(const Resource& resource)
78 {
79 Resource::Type type = resource.type();
80 return type == Resource::MainResource || type == Resource::Raw || type == Resource::TextTrack || type == Resource::ImportResource;
81 }
82 #endif
toRawResource(const ResourcePtr<Resource> & resource)83 inline RawResource* toRawResource(const ResourcePtr<Resource>& resource)
84 {
85 ASSERT_WITH_SECURITY_IMPLICATION(!resource || isRawResource(*resource.get()));
86 return static_cast<RawResource*>(resource.get());
87 }
88
89 class RawResourceClient : public ResourceClient {
90 public:
~RawResourceClient()91 virtual ~RawResourceClient() { }
expectedType()92 static ResourceClientType expectedType() { return RawResourceType; }
resourceClientType()93 virtual ResourceClientType resourceClientType() const { return expectedType(); }
94
dataSent(Resource *,unsigned long long,unsigned long long)95 virtual void dataSent(Resource*, unsigned long long /* bytesSent */, unsigned long long /* totalBytesToBeSent */) { }
responseReceived(Resource *,const ResourceResponse &)96 virtual void responseReceived(Resource*, const ResourceResponse&) { }
dataReceived(Resource *,const char *,int)97 virtual void dataReceived(Resource*, const char* /* data */, int /* length */) { }
redirectReceived(Resource *,ResourceRequest &,const ResourceResponse &)98 virtual void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&) { }
dataDownloaded(Resource *,int)99 virtual void dataDownloaded(Resource*, int) { }
100 };
101
102 }
103
104 #endif // RawResource_h
105