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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_CONTEXT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_CONTEXT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/css_property_names.h"
#include "third_party/blink/renderer/core/css/parser/css_parser_mode.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/web_feature_forward.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/weborigin/referrer.h"
#include "third_party/blink/renderer/platform/wtf/text/text_encoding.h"
namespace blink {
class CSSStyleSheet;
class Document;
class StyleRuleKeyframe;
class StyleSheetContents;
class CORE_EXPORT CSSParserContext
: public GarbageCollectedFinalized<CSSParserContext> {
public:
// https://drafts.csswg.org/selectors/#profiles
enum SelectorProfile : uint8_t { kLiveProfile, kSnapshotProfile };
// All three of these constructors copy the context and override the current
// Document handle used for UseCounter.
CSSParserContext(const CSSParserContext*, const CSSStyleSheet*);
CSSParserContext(const CSSParserContext*, const StyleSheetContents*);
// FIXME: This constructor shouldn't exist if we properly piped the UseCounter
// through the CSS subsystem. Currently the UseCounter life time is too crazy
// and we need a way to override it.
CSSParserContext(const CSSParserContext* other,
const Document* use_counter_document = nullptr);
CSSParserContext(const CSSParserContext* other,
const KURL& base_url_override,
bool origin_clean,
network::mojom::ReferrerPolicy referrer_policy_override,
const WTF::TextEncoding& charset_override,
const Document* use_counter_document);
CSSParserContext(CSSParserMode,
SecureContextMode,
SelectorProfile = kLiveProfile,
const Document* use_counter_document = nullptr);
CSSParserContext(const Document&);
CSSParserContext(const Document&,
const KURL& base_url_override,
bool origin_clean,
network::mojom::ReferrerPolicy referrer_policy_override,
const WTF::TextEncoding& charset = WTF::TextEncoding(),
SelectorProfile = kLiveProfile);
// This is used for workers, where we don't have a document.
CSSParserContext(const ExecutionContext& context);
CSSParserContext(const KURL& base_url,
bool origin_clean,
const WTF::TextEncoding& charset,
CSSParserMode,
CSSParserMode match_mode,
SelectorProfile,
const Referrer&,
bool is_html_document,
bool use_legacy_background_size_shorthand_behavior,
SecureContextMode,
ContentSecurityPolicyDisposition,
const Document* use_counter_document);
bool operator==(const CSSParserContext&) const;
bool operator!=(const CSSParserContext& other) const {
return !(*this == other);
}
CSSParserMode Mode() const { return mode_; }
CSSParserMode MatchMode() const { return match_mode_; }
const KURL& BaseURL() const { return base_url_; }
const WTF::TextEncoding& Charset() const { return charset_; }
const Referrer& GetReferrer() const { return referrer_; }
bool IsHTMLDocument() const { return is_html_document_; }
bool IsLiveProfile() const { return profile_ == kLiveProfile; }
bool IsOriginClean() const;
bool IsSecureContext() const;
// This quirk is to maintain compatibility with Android apps built on
// the Android SDK prior to and including version 18. Presumably, this
// can be removed any time after 2015. See http://crbug.com/277157.
bool UseLegacyBackgroundSizeShorthandBehavior() const {
return use_legacy_background_size_shorthand_behavior_;
}
// FIXME: This setter shouldn't exist, however the current lifetime of
// CSSParserContext is not well understood and thus we sometimes need to
// override this field.
void SetMode(CSSParserMode mode) { mode_ = mode; }
KURL CompleteURL(const String& url) const;
SecureContextMode GetSecureContextMode() const {
return secure_context_mode_;
}
void Count(WebFeature) const;
void Count(CSSParserMode, CSSPropertyID) const;
void CountDeprecation(WebFeature) const;
bool IsUseCounterRecordingEnabled() const { return document_; }
bool IsDocumentHandleEqual(const Document* other) const;
ContentSecurityPolicyDisposition ShouldCheckContentSecurityPolicy() const {
return should_check_content_security_policy_;
}
// TODO(ekaramad): We currently only report @keyframes violations. We need to
// report CSS transitions as well (https://crbug.com/906147).
// TODO(ekaramad): We should provide a source location in the violation
// report (https://crbug.com/906150, ).
void ReportLayoutAnimationsViolationIfNeeded(const StyleRuleKeyframe&) const;
// TODO(yoichio): Remove when CustomElementsV0 is removed. crrev.com/660759.
bool CustomElementsV0Enabled() const;
void Trace(blink::Visitor*);
private:
KURL base_url_;
ContentSecurityPolicyDisposition should_check_content_security_policy_;
// If true, allows reading and modifying of the CSS rules.
// https://drafts.csswg.org/cssom/#concept-css-style-sheet-origin-clean-flag
const bool origin_clean_;
CSSParserMode mode_;
CSSParserMode match_mode_;
SelectorProfile profile_ = kLiveProfile;
Referrer referrer_;
bool is_html_document_;
bool use_legacy_background_size_shorthand_behavior_;
SecureContextMode secure_context_mode_;
WTF::TextEncoding charset_;
WeakMember<const Document> document_;
};
CORE_EXPORT const CSSParserContext* StrictCSSParserContext(SecureContextMode);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PARSER_CSS_PARSER_CONTEXT_H_
|
