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
158
159
160
161
162
163
|
/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "CSSParserMode.h"
#include "ExceptionOr.h"
#include "StyleSheet.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/Noncopyable.h>
#include <wtf/TypeCasts.h>
#include <wtf/text/AtomicStringHash.h>
#include <wtf/text/TextPosition.h>
namespace WebCore {
class CSSImportRule;
class CSSParser;
class CSSRule;
class CSSRuleList;
class CSSStyleSheet;
class CachedCSSStyleSheet;
class Document;
class Element;
class MediaQuerySet;
class StyleRuleKeyframes;
class StyleSheetContents;
namespace Style {
class Scope;
}
class CSSStyleSheet final : public StyleSheet {
public:
static Ref<CSSStyleSheet> create(Ref<StyleSheetContents>&&, CSSImportRule* ownerRule = 0);
static Ref<CSSStyleSheet> create(Ref<StyleSheetContents>&&, Node& ownerNode, const std::optional<bool>& isOriginClean = std::nullopt);
static Ref<CSSStyleSheet> createInline(Ref<StyleSheetContents>&&, Element& owner, const TextPosition& startPosition);
virtual ~CSSStyleSheet();
CSSStyleSheet* parentStyleSheet() const final;
Node* ownerNode() const final { return m_ownerNode; }
MediaList* media() const final;
String href() const final;
String title() const final { return m_title; }
bool disabled() const final { return m_isDisabled; }
void setDisabled(bool) final;
WEBCORE_EXPORT RefPtr<CSSRuleList> cssRules();
WEBCORE_EXPORT ExceptionOr<unsigned> insertRule(const String& rule, unsigned index);
ExceptionOr<unsigned> deprecatedInsertRule(const String& rule);
WEBCORE_EXPORT ExceptionOr<void> deleteRule(unsigned index);
WEBCORE_EXPORT RefPtr<CSSRuleList> rules();
WEBCORE_EXPORT ExceptionOr<int> addRule(const String& selector, const String& style, std::optional<unsigned> index);
ExceptionOr<void> removeRule(unsigned index) { return deleteRule(index); }
// For CSSRuleList.
unsigned length() const;
CSSRule* item(unsigned index);
void clearOwnerNode() final;
CSSImportRule* ownerRule() const final { return m_ownerRule; }
URL baseURL() const final;
bool isLoading() const final;
void clearOwnerRule() { m_ownerRule = 0; }
Document* ownerDocument() const;
CSSStyleSheet& rootStyleSheet();
const CSSStyleSheet& rootStyleSheet() const;
Style::Scope* styleScope();
MediaQuerySet* mediaQueries() const { return m_mediaQueries.get(); }
void setMediaQueries(Ref<MediaQuerySet>&&);
void setTitle(const String& title) { m_title = title; }
bool hadRulesMutation() const { return m_mutatedRules; }
void clearHadRulesMutation() { m_mutatedRules = false; }
enum RuleMutationType { OtherMutation, RuleInsertion };
enum WhetherContentsWereClonedForMutation { ContentsWereNotClonedForMutation = 0, ContentsWereClonedForMutation };
class RuleMutationScope {
WTF_MAKE_NONCOPYABLE(RuleMutationScope);
public:
RuleMutationScope(CSSStyleSheet*, RuleMutationType = OtherMutation, StyleRuleKeyframes* insertedKeyframesRule = nullptr);
RuleMutationScope(CSSRule*);
~RuleMutationScope();
private:
CSSStyleSheet* m_styleSheet;
RuleMutationType m_mutationType;
WhetherContentsWereClonedForMutation m_contentsWereClonedForMutation;
StyleRuleKeyframes* m_insertedKeyframesRule;
};
WhetherContentsWereClonedForMutation willMutateRules();
void didMutateRules(RuleMutationType, WhetherContentsWereClonedForMutation, StyleRuleKeyframes* insertedKeyframesRule);
void didMutateRuleFromCSSStyleDeclaration();
void didMutate();
void clearChildRuleCSSOMWrappers();
void reattachChildRuleCSSOMWrappers();
StyleSheetContents& contents() { return m_contents; }
bool isInline() const { return m_isInlineStylesheet; }
TextPosition startPosition() const { return m_startPosition; }
void detachFromDocument() { m_ownerNode = nullptr; }
private:
CSSStyleSheet(Ref<StyleSheetContents>&&, CSSImportRule* ownerRule);
CSSStyleSheet(Ref<StyleSheetContents>&&, Node* ownerNode, const TextPosition& startPosition, bool isInlineStylesheet);
CSSStyleSheet(Ref<StyleSheetContents>&&, Node& ownerNode, const TextPosition& startPosition, bool isInlineStylesheet, const std::optional<bool>&);
bool isCSSStyleSheet() const final { return true; }
String type() const final { return ASCIILiteral("text/css"); }
bool canAccessRules() const;
Ref<StyleSheetContents> m_contents;
bool m_isInlineStylesheet;
bool m_isDisabled;
bool m_mutatedRules;
std::optional<bool> m_isOriginClean;
String m_title;
RefPtr<MediaQuerySet> m_mediaQueries;
Node* m_ownerNode;
CSSImportRule* m_ownerRule;
TextPosition m_startPosition;
mutable RefPtr<MediaList> m_mediaCSSOMWrapper;
mutable Vector<RefPtr<CSSRule>> m_childRuleCSSOMWrappers;
mutable std::unique_ptr<CSSRuleList> m_ruleListCSSOMWrapper;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::CSSStyleSheet)
static bool isType(const WebCore::StyleSheet& styleSheet) { return styleSheet.isCSSStyleSheet(); }
SPECIALIZE_TYPE_TRAITS_END()
|
