1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FetchContext_h
#define FetchContext_h
#include "core/CoreExport.h"
#include "core/fetch/CachePolicy.h"
#include "core/fetch/FetchInitiatorInfo.h"
#include "core/fetch/FetchRequest.h"
#include "core/fetch/Resource.h"
#include "platform/heap/Handle.h"
#include "platform/network/ResourceLoadPriority.h"
#include "wtf/Noncopyable.h"
namespace blink {
class KURL;
class MHTMLArchive;
class ResourceError;
class ResourceLoader;
class ResourceResponse;
class ResourceRequest;
class ResourceTimingInfo;
class WebTaskRunner;
enum FetchResourceType {
FetchMainResource,
FetchSubresource
};
class CORE_EXPORT FetchContext : public GarbageCollectedFinalized<FetchContext> {
WTF_MAKE_NONCOPYABLE(FetchContext);
public:
static FetchContext& nullInstance();
virtual ~FetchContext() { }
DEFINE_INLINE_VIRTUAL_TRACE() { }
virtual bool isLiveContext() { return false; }
virtual void countClientHintsDPR() { }
virtual void countClientHintsResourceWidth() { }
virtual void countClientHintsViewportWidth() { }
virtual void addAdditionalRequestHeaders(ResourceRequest&, FetchResourceType);
virtual void setFirstPartyForCookies(ResourceRequest&);
virtual CachePolicy getCachePolicy() const;
virtual ResourceRequestCachePolicy resourceRequestCachePolicy(const ResourceRequest&, Resource::Type) const;
virtual void dispatchDidChangeResourcePriority(unsigned long identifier, ResourceLoadPriority, int intraPriorityValue);
virtual void dispatchWillSendRequest(unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo& = FetchInitiatorInfo());
virtual void dispatchDidLoadResourceFromMemoryCache(const Resource*, WebURLRequest::FrameType, WebURLRequest::RequestContext);
virtual void dispatchDidReceiveResponse(unsigned long identifier, const ResourceResponse&, WebURLRequest::FrameType, WebURLRequest::RequestContext, ResourceLoader* = 0);
virtual void dispatchDidReceiveData(unsigned long identifier, const char* data, int dataLength, int encodedDataLength);
virtual void dispatchDidDownloadData(unsigned long identifier, int dataLength, int encodedDataLength);
virtual void dispatchDidFinishLoading(unsigned long identifier, double finishTime, int64_t encodedDataLength);
virtual void dispatchDidFail(unsigned long identifier, const ResourceError&, bool isInternalRequest);
virtual bool shouldLoadNewResource(Resource::Type) const { return false; }
virtual void willStartLoadingResource(ResourceRequest&);
virtual void didLoadResource(Resource*);
virtual void addResourceTiming(const ResourceTimingInfo&);
virtual bool allowImage(bool, const KURL&) const { return false; }
virtual bool canRequest(Resource::Type, const ResourceRequest&, const KURL&, const ResourceLoaderOptions&, bool forPreload, FetchRequest::OriginRestriction) const { return false; }
virtual bool allowResponse(Resource::Type, const ResourceRequest&, const KURL&, const ResourceLoaderOptions&) const { return false; }
virtual bool isControlledByServiceWorker() const { return false; }
virtual int64_t serviceWorkerID() const { return -1; }
virtual bool isMainFrame() const { return true; }
virtual bool defersLoading() const { return false; }
virtual bool isLoadComplete() const { return false; }
virtual bool pageDismissalEventBeingDispatched() const { return false; }
virtual bool updateTimingInfoForIFrameNavigation(ResourceTimingInfo*) { return false; }
virtual void sendImagePing(const KURL&);
virtual void addConsoleMessage(const String&) const;
virtual SecurityOrigin* getSecurityOrigin() const { return nullptr; }
virtual void upgradeInsecureRequest(FetchRequest&);
virtual void addClientHintsIfNecessary(FetchRequest&);
virtual void addCSPHeaderIfNecessary(Resource::Type, FetchRequest&);
virtual MHTMLArchive* archive() const { return nullptr; }
virtual ResourceLoadPriority modifyPriorityForExperiments(ResourceLoadPriority priority, Resource::Type, const FetchRequest&, ResourcePriority::VisibilityStatus) { return priority; }
virtual WebTaskRunner* loadingTaskRunner() const { return nullptr; }
protected:
FetchContext() { }
};
} // namespace blink
#endif
|
