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#pragma once
24
25#include "CachedResource.h"
26
27namespace WebCore {
28
29class CachedResourceClient;
30class ResourceTiming;
31class SharedBufferDataView;
32
33class CachedRawResource final : public CachedResource {
34public:
35 CachedRawResource(CachedResourceRequest&&, Type, const PAL::SessionID&, const CookieJar*);
36
37 void setDefersLoading(bool);
38
39 void setDataBufferingPolicy(DataBufferingPolicy);
40
41 // FIXME: This is exposed for the InspectorInstrumentation for preflights in DocumentThreadableLoader. It's also really lame.
42 unsigned long identifier() const { return m_identifier; }
43
44 void clear();
45
46 bool canReuse(const ResourceRequest&) const;
47
48 bool wasRedirected() const { return !m_redirectChain.isEmpty(); };
49
50 void finishedTimingForWorkerLoad(ResourceTiming&&);
51
52private:
53 void didAddClient(CachedResourceClient&) final;
54 void updateBuffer(SharedBuffer&) final;
55 void updateData(const char* data, unsigned length) final;
56 void finishLoading(SharedBuffer*) final;
57
58 bool shouldIgnoreHTTPStatusCodeErrors() const override { return true; }
59 void allClientsRemoved() override;
60
61 void redirectReceived(ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&) override;
62 void responseReceived(const ResourceResponse&) override;
63 bool shouldCacheResponse(const ResourceResponse&) override;
64 void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
65
66 void switchClientsToRevalidatedResource() override;
67 bool mayTryReplaceEncodedData() const override { return m_allowEncodedDataReplacement; }
68
69 Optional<SharedBufferDataView> calculateIncrementalDataChunk(const SharedBuffer*) const;
70 void notifyClientsDataWasReceived(const char* data, unsigned length);
71
72 unsigned long m_identifier;
73 bool m_allowEncodedDataReplacement;
74 bool m_inIncrementalDataNotify { false };
75
76 struct RedirectPair {
77 public:
78 explicit RedirectPair(const ResourceRequest& request, const ResourceResponse& redirectResponse)
79 : m_request(request)
80 , m_redirectResponse(redirectResponse)
81 {
82 }
83
84 const ResourceRequest m_request;
85 const ResourceResponse m_redirectResponse;
86 };
87
88 Vector<RedirectPair, 0, CrashOnOverflow, 0> m_redirectChain;
89
90 struct DelayedFinishLoading {
91 RefPtr<SharedBuffer> buffer;
92 };
93 Optional<DelayedFinishLoading> m_delayedFinishLoading;
94};
95
96} // namespace WebCore
97
98SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::CachedRawResource)
99 static bool isType(const WebCore::CachedResource& resource) { return resource.isMainOrMediaOrIconOrRawResource(); }
100SPECIALIZE_TYPE_TRAITS_END()
101