File: KeyframeList.h

package info (click to toggle)
webkit2gtk 2.42.2-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 362,432 kB
  • sloc: cpp: 2,881,947; javascript: 282,447; ansic: 134,088; python: 43,789; ruby: 18,308; perl: 15,872; asm: 14,389; xml: 4,395; yacc: 2,350; sh: 2,074; java: 1,734; lex: 1,323; makefile: 296; pascal: 60
file content (134 lines) | stat: -rw-r--r-- 4,891 bytes parent folder | download | duplicates (2)
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
/*
 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
 *           (C) 2000 Dirk Mueller (mueller@kde.org)
 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
 *
 * 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 "CompositeOperation.h"
#include "RenderStyle.h"
#include "WebAnimationTypes.h"
#include <wtf/Vector.h>
#include <wtf/HashSet.h>
#include <wtf/text/AtomString.h>
#include <wtf/text/AtomStringHash.h>

namespace WebCore {

class KeyframeEffect;
class StyleProperties;
class TimingFunction;

namespace Style {
class Resolver;
}

class KeyframeValue {
public:
    KeyframeValue(double key, std::unique_ptr<RenderStyle> style)
        : m_key(key)
        , m_style(WTFMove(style))
    {
    }

    void addProperty(AnimatableProperty);
    bool containsProperty(AnimatableProperty) const;
    const HashSet<AnimatableProperty>& properties() const { return m_properties; }

    double key() const { return m_key; }
    void setKey(double key) { m_key = key; }

    const RenderStyle* style() const { return m_style.get(); }
    void setStyle(std::unique_ptr<RenderStyle> style) { m_style = WTFMove(style); }

    TimingFunction* timingFunction() const { return m_timingFunction.get(); }
    void setTimingFunction(const RefPtr<TimingFunction>& timingFunction) { m_timingFunction = timingFunction; }

    std::optional<CompositeOperation> compositeOperation() const { return m_compositeOperation; }
    void setCompositeOperation(std::optional<CompositeOperation> op) { m_compositeOperation = op; }

    bool containsDirectionAwareProperty() const { return m_containsDirectionAwareProperty; }
    void setContainsDirectionAwareProperty(bool containsDirectionAwareProperty) { m_containsDirectionAwareProperty = containsDirectionAwareProperty; }

private:
    double m_key;
    HashSet<AnimatableProperty> m_properties; // The properties specified in this keyframe.
    std::unique_ptr<RenderStyle> m_style;
    RefPtr<TimingFunction> m_timingFunction;
    std::optional<CompositeOperation> m_compositeOperation;
    bool m_containsDirectionAwareProperty { false };
};

class KeyframeList {
public:
    explicit KeyframeList(const AtomString& animationName)
        : m_animationName(animationName)
    {
    }
    ~KeyframeList();

    KeyframeList& operator=(KeyframeList&&) = default;
    bool operator==(const KeyframeList&) const;

    const AtomString& animationName() const { return m_animationName; }
    
    void insert(KeyframeValue&&);
    
    void addProperty(AnimatableProperty);
    bool containsProperty(AnimatableProperty) const;
    const HashSet<AnimatableProperty>& properties() const { return m_properties; }

    bool containsAnimatableProperty() const;
    bool containsDirectionAwareProperty() const;

    void clear();
    bool isEmpty() const { return m_keyframes.isEmpty(); }
    size_t size() const { return m_keyframes.size(); }
    const KeyframeValue& operator[](size_t index) const { return m_keyframes[index]; }

    void copyKeyframes(KeyframeList&);
    bool hasImplicitKeyframes() const;
    void fillImplicitKeyframes(const KeyframeEffect&, const RenderStyle& elementStyle);

    auto begin() const { return m_keyframes.begin(); }
    auto end() const { return m_keyframes.end(); }

    bool usesContainerUnits() const;
    bool usesRelativeFontWeight() const;
    bool hasCSSVariableReferences() const;
    bool hasColorSetToCurrentColor() const;
    bool hasPropertySetToCurrentColor() const;
    const HashSet<AnimatableProperty>& propertiesSetToInherit() const;

    void updatePropertiesMetadata(const StyleProperties&);

private:
    AtomString m_animationName;
    Vector<KeyframeValue> m_keyframes; // Kept sorted by key.
    HashSet<AnimatableProperty> m_properties; // The properties being animated.
    bool m_usesRelativeFontWeight { false };
    bool m_containsCSSVariableReferences { false };
    HashSet<AnimatableProperty> m_propertiesSetToInherit;
    HashSet<AnimatableProperty> m_propertiesSetToCurrentColor;
};

} // namespace WebCore