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
|
/*
* Copyright (C) 2020 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#pragma once
#include "CSSSelector.h"
#include "Element.h"
#include "StyleInvalidator.h"
#include <wtf/Vector.h>
namespace WebCore {
namespace Style {
class PseudoClassChangeInvalidation {
public:
PseudoClassChangeInvalidation(Element&, CSSSelector::PseudoClass, bool value, InvalidationScope = InvalidationScope::All);
enum AnyValueTag { AnyValue };
PseudoClassChangeInvalidation(Element&, CSSSelector::PseudoClass, AnyValueTag);
PseudoClassChangeInvalidation(Element&, std::initializer_list<std::pair<CSSSelector::PseudoClass, bool>>);
~PseudoClassChangeInvalidation();
private:
enum class Value : uint8_t { False, True, Any };
void computeInvalidation(CSSSelector::PseudoClass, Value, Style::InvalidationScope);
void collectRuleSets(const PseudoClassInvalidationKey&, Value, InvalidationScope);
void invalidateBeforeChange();
void invalidateAfterChange();
const bool m_isEnabled;
Element& m_element;
Invalidator::MatchElementRuleSets m_beforeChangeRuleSets;
Invalidator::MatchElementRuleSets m_afterChangeRuleSets;
};
Vector<PseudoClassInvalidationKey, 4> makePseudoClassInvalidationKeys(CSSSelector::PseudoClass, const Element&);
inline void emplace(std::optional<PseudoClassChangeInvalidation>& invalidation, Element& element, std::initializer_list<std::pair<CSSSelector::PseudoClass, bool>> pseudoClasses)
{
invalidation.emplace(element, pseudoClasses);
}
inline PseudoClassChangeInvalidation::PseudoClassChangeInvalidation(Element& element, CSSSelector::PseudoClass pseudoClass, bool value, Style::InvalidationScope invalidationScope)
: m_isEnabled(element.needsStyleInvalidation())
, m_element(element)
{
if (!m_isEnabled)
return;
computeInvalidation(pseudoClass, value ? Value::True : Value::False, invalidationScope);
invalidateBeforeChange();
}
inline PseudoClassChangeInvalidation::PseudoClassChangeInvalidation(Element& element, CSSSelector::PseudoClass pseudoClass, AnyValueTag)
: m_isEnabled(element.needsStyleInvalidation())
, m_element(element)
{
if (!m_isEnabled)
return;
computeInvalidation(pseudoClass, Value::Any, InvalidationScope::All);
invalidateBeforeChange();
}
inline PseudoClassChangeInvalidation::PseudoClassChangeInvalidation(Element& element, std::initializer_list<std::pair<CSSSelector::PseudoClass, bool>> pseudoClasses)
: m_isEnabled(element.needsStyleInvalidation())
, m_element(element)
{
if (!m_isEnabled)
return;
for (auto pseudoClass : pseudoClasses)
computeInvalidation(pseudoClass.first, pseudoClass.second ? Value::True : Value::False, Style::InvalidationScope::All);
invalidateBeforeChange();
}
inline PseudoClassChangeInvalidation::~PseudoClassChangeInvalidation()
{
if (!m_isEnabled)
return;
invalidateAfterChange();
}
}
}
|
