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
|
/*
* Copyright (C) 2023 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.
*/
#include "config.h"
#include "ViewTimeline.h"
#include "CSSNumericFactory.h"
#include "CSSPrimitiveValue.h"
#include "CSSPrimitiveValueMappings.h"
#include "CSSUnits.h"
#include "CSSValuePool.h"
#include "CSSViewValue.h"
#include "Element.h"
namespace WebCore {
Ref<ViewTimeline> ViewTimeline::create(ViewTimelineOptions&& options)
{
return adoptRef(*new ViewTimeline(WTFMove(options)));
}
Ref<ViewTimeline> ViewTimeline::create(const AtomString& name, ScrollAxis axis, ViewTimelineInsets&& insets)
{
return adoptRef(*new ViewTimeline(name, axis, WTFMove(insets)));
}
Ref<ViewTimeline> ViewTimeline::createFromCSSValue(const CSSViewValue& cssViewValue)
{
auto axisValue = cssViewValue.axis();
auto axis = axisValue ? fromCSSValueID<ScrollAxis>(axisValue->valueID()) : ScrollAxis::Block;
auto convertInsetValue = [](CSSValue* value) -> std::optional<Length> {
if (!value)
return std::nullopt;
if (value->valueID() == CSSValueAuto)
return Length();
auto& primitiveValue = downcast<CSSPrimitiveValue>(*value);
if (primitiveValue.isPercentage())
return Length(primitiveValue.doubleValue(CSSUnitType::CSS_PERCENTAGE), LengthType::Percent);
if (primitiveValue.isLength())
return Length(primitiveValue.doubleValue(CSSUnitType::CSS_PX), LengthType::Fixed);
ASSERT_NOT_REACHED();
return std::nullopt;
};
auto startInset = convertInsetValue(cssViewValue.startInset().get());
auto endInset = [&]() {
if (auto endInsetValue = cssViewValue.endInset())
return convertInsetValue(endInsetValue.get());
return convertInsetValue(cssViewValue.startInset().get());
}();
return adoptRef(*new ViewTimeline(nullAtom(), axis, { startInset, endInset }));
}
// FIXME: compute offset values from options.
ViewTimeline::ViewTimeline(ViewTimelineOptions&& options)
: ScrollTimeline(nullAtom(), options.axis)
, m_subject(WTFMove(options.subject))
, m_startOffset(CSSNumericFactory::px(0))
, m_endOffset(CSSNumericFactory::px(0))
{
}
ViewTimeline::ViewTimeline(const AtomString& name, ScrollAxis axis, ViewTimelineInsets&& insets)
: ScrollTimeline(name, axis)
, m_startOffset(CSSNumericFactory::px(0))
, m_endOffset(CSSNumericFactory::px(0))
, m_insets(WTFMove(insets))
{
}
Ref<CSSValue> ViewTimeline::toCSSValue() const
{
auto insetCSSValue = [](const std::optional<Length>& inset) -> RefPtr<CSSValue> {
if (!inset)
return nullptr;
return CSSPrimitiveValue::create(*inset);
};
return CSSViewValue::create(
CSSPrimitiveValue::create(toCSSValueID(axis())),
insetCSSValue(m_insets.start),
insetCSSValue(m_insets.end)
);
}
} // namespace WebCore
|
