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
|
/*
* Copyright (C) 2018-2019 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. ``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
* 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 "SVGAnimatedProperty.h"
#include "SVGSharedPrimitiveProperty.h"
namespace WebCore {
template<typename PropertyType>
class SVGAnimatedPrimitiveProperty : public SVGAnimatedProperty {
public:
using ValueType = PropertyType;
static Ref<SVGAnimatedPrimitiveProperty> create(SVGElement* contextElement)
{
return adoptRef(*new SVGAnimatedPrimitiveProperty(contextElement));
}
static Ref<SVGAnimatedPrimitiveProperty> create(SVGElement* contextElement, const PropertyType& value)
{
return adoptRef(*new SVGAnimatedPrimitiveProperty(contextElement, value));
}
// Used by the DOM.
ExceptionOr<void> setBaseVal(const PropertyType& baseVal)
{
m_baseVal->setValue(baseVal);
commitPropertyChange(nullptr);
return { };
}
// Used by SVGElement::parseAttribute().
void setBaseValInternal(const PropertyType& baseVal) { m_baseVal->setValue(baseVal); }
const PropertyType& baseVal() const { return m_baseVal->value(); }
// Used by SVGAttributeAnimator::progress.
void setAnimVal(const PropertyType& animVal)
{
ASSERT(isAnimating() && m_animVal);
m_animVal->setValue(animVal);
}
const PropertyType& animVal() const
{
ASSERT_IMPLIES(isAnimating(), m_animVal);
return isAnimating() ? m_animVal->value() : m_baseVal->value();
}
PropertyType& animVal()
{
ASSERT_IMPLIES(isAnimating(), m_animVal);
return isAnimating() ? m_animVal->value() : m_baseVal->value();
}
// Used when committing a change from the SVGAnimatedProperty to the attribute.
String baseValAsString() const override { return m_baseVal->valueAsString(); }
// Used to apply the SVGAttributeAnimator change to the target element.
String animValAsString() const override
{
ASSERT(isAnimating() && m_animVal);
return m_animVal->valueAsString();
}
// Managing the relationship with the owner.
void setDirty() override { m_baseVal->setDirty(); }
bool isDirty() const override { return m_baseVal->isDirty(); }
std::optional<String> synchronize() override { return m_baseVal->synchronize(); }
// Used by RenderSVGElements and DumpRenderTree.
const PropertyType& currentValue() const
{
ASSERT_IMPLIES(isAnimating(), m_animVal);
return isAnimating() ? m_animVal->value() : m_baseVal->value();
}
// Controlling the animation.
void startAnimation(SVGAttributeAnimator& animator) override
{
if (m_animVal)
m_animVal->setValue(m_baseVal->value());
else
ensureAnimVal();
SVGAnimatedProperty::startAnimation(animator);
}
void stopAnimation(SVGAttributeAnimator& animator) override
{
SVGAnimatedProperty::stopAnimation(animator);
if (!isAnimating())
m_animVal = nullptr;
else if (m_animVal)
m_animVal->setValue(m_baseVal->value());
}
// Controlling the instance animation.
void instanceStartAnimation(SVGAttributeAnimator& animator, SVGAnimatedProperty& animated) override
{
if (!isAnimating())
m_animVal = static_cast<SVGAnimatedPrimitiveProperty&>(animated).m_animVal;
SVGAnimatedProperty::instanceStartAnimation(animator, animated);
}
void instanceStopAnimation(SVGAttributeAnimator& animator) override
{
SVGAnimatedProperty::instanceStopAnimation(animator);
if (!isAnimating())
m_animVal = nullptr;
}
protected:
SVGAnimatedPrimitiveProperty(SVGElement* contextElement)
: SVGAnimatedProperty(contextElement)
, m_baseVal(SVGSharedPrimitiveProperty<PropertyType>::create())
{
}
SVGAnimatedPrimitiveProperty(SVGElement* contextElement, const PropertyType& value)
: SVGAnimatedProperty(contextElement)
, m_baseVal(SVGSharedPrimitiveProperty<PropertyType>::create(value))
{
}
RefPtr<SVGSharedPrimitiveProperty<PropertyType>>& ensureAnimVal()
{
if (!m_animVal)
m_animVal = SVGSharedPrimitiveProperty<PropertyType>::create(m_baseVal->value());
return m_animVal;
}
Ref<SVGSharedPrimitiveProperty<PropertyType>> m_baseVal;
mutable RefPtr<SVGSharedPrimitiveProperty<PropertyType>> m_animVal;
};
}
|
