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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* style sheet and style rule processor representing data from presentational
* HTML attributes
*/
#ifndef nsHTMLStyleSheet_h_
#define nsHTMLStyleSheet_h_
#include "nsColor.h"
#include "nsCOMPtr.h"
#include "nsIStyleRule.h"
#include "nsIStyleRuleProcessor.h"
#include "PLDHashTable.h"
#include "mozilla/Attributes.h"
#include "mozilla/MemoryReporting.h"
#include "nsString.h"
class nsIDocument;
class nsMappedAttributes;
class nsHTMLStyleSheet final : public nsIStyleRuleProcessor
{
public:
explicit nsHTMLStyleSheet(nsIDocument* aDocument);
void SetOwningDocument(nsIDocument* aDocument);
NS_DECL_ISUPPORTS
// nsIStyleRuleProcessor API
virtual void RulesMatching(ElementRuleProcessorData* aData) override;
virtual void RulesMatching(PseudoElementRuleProcessorData* aData) override;
virtual void RulesMatching(AnonBoxRuleProcessorData* aData) override;
#ifdef MOZ_XUL
virtual void RulesMatching(XULTreeRuleProcessorData* aData) override;
#endif
virtual nsRestyleHint HasStateDependentStyle(StateRuleProcessorData* aData) override;
virtual nsRestyleHint HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData) override;
virtual bool HasDocumentStateDependentStyle(StateRuleProcessorData* aData) override;
virtual nsRestyleHint
HasAttributeDependentStyle(AttributeRuleProcessorData* aData,
mozilla::RestyleHintData& aRestyleHintDataResult) override;
virtual bool MediumFeaturesChanged(nsPresContext* aPresContext) override;
virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf)
const MOZ_MUST_OVERRIDE override;
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
const MOZ_MUST_OVERRIDE override;
size_t DOMSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
void Reset();
nsresult SetLinkColor(nscolor aColor);
nsresult SetActiveLinkColor(nscolor aColor);
nsresult SetVisitedLinkColor(nscolor aColor);
// Mapped Attribute management methods
already_AddRefed<nsMappedAttributes>
UniqueMappedAttributes(nsMappedAttributes* aMapped);
void DropMappedAttributes(nsMappedAttributes* aMapped);
nsIStyleRule* LangRuleFor(const nsString& aLanguage);
private:
nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy) = delete;
nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy) = delete;
~nsHTMLStyleSheet() {}
class HTMLColorRule;
friend class HTMLColorRule;
class HTMLColorRule final : public nsIStyleRule {
private:
~HTMLColorRule() {}
public:
HTMLColorRule() {}
NS_DECL_ISUPPORTS
// nsIStyleRule interface
virtual void MapRuleInfoInto(nsRuleData* aRuleData) override;
virtual bool MightMapInheritedStyleData() override;
virtual bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
nsCSSValue* aValue) override;
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
#endif
nscolor mColor;
};
// Implementation of SetLink/VisitedLink/ActiveLinkColor
nsresult ImplLinkColorSetter(RefPtr<HTMLColorRule>& aRule, nscolor aColor);
class GenericTableRule;
friend class GenericTableRule;
class GenericTableRule : public nsIStyleRule {
protected:
virtual ~GenericTableRule() {}
public:
GenericTableRule() {}
NS_DECL_ISUPPORTS
// nsIStyleRule interface
virtual void MapRuleInfoInto(nsRuleData* aRuleData) override = 0;
virtual bool MightMapInheritedStyleData() override = 0;
virtual bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
nsCSSValue* aValue) override = 0;
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
#endif
};
// this rule handles <th> inheritance
class TableTHRule;
friend class TableTHRule;
class TableTHRule final : public GenericTableRule {
public:
TableTHRule() {}
virtual void MapRuleInfoInto(nsRuleData* aRuleData) override;
virtual bool MightMapInheritedStyleData() override;
virtual bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
nsCSSValue* aValue) override;
};
// Rule to handle quirk table colors
class TableQuirkColorRule final : public GenericTableRule {
public:
TableQuirkColorRule() {}
virtual void MapRuleInfoInto(nsRuleData* aRuleData) override;
virtual bool MightMapInheritedStyleData() override;
virtual bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
nsCSSValue* aValue) override;
};
public: // for mLangRuleTable structures only
// Rule to handle xml:lang attributes, of which we have exactly one
// per language string, maintained in mLangRuleTable.
// We also create one extra rule for the "x-math" language string, used on
// <math> elements.
class LangRule final : public nsIStyleRule {
private:
~LangRule() {}
public:
explicit LangRule(const nsSubstring& aLang) : mLang(aLang) {}
NS_DECL_ISUPPORTS
// nsIStyleRule interface
virtual void MapRuleInfoInto(nsRuleData* aRuleData) override;
virtual bool MightMapInheritedStyleData() override;
virtual bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
nsCSSValue* aValue) override;
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
#endif
nsString mLang;
};
private:
nsIDocument* mDocument;
RefPtr<HTMLColorRule> mLinkRule;
RefPtr<HTMLColorRule> mVisitedRule;
RefPtr<HTMLColorRule> mActiveRule;
RefPtr<TableQuirkColorRule> mTableQuirkColorRule;
RefPtr<TableTHRule> mTableTHRule;
PLDHashTable mMappedAttrTable;
PLDHashTable mLangRuleTable;
};
#endif /* !defined(nsHTMLStyleSheet_h_) */
|
