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
|
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/css/properties/longhands/margin_right.h"
#include "third_party/blink/renderer/core/css/parser/css_parser_context.h"
#include "third_party/blink/renderer/core/css/parser/css_property_parser_helpers.h"
#include "third_party/blink/renderer/core/css/properties/computed_style_utils.h"
#include "third_party/blink/renderer/core/css/properties/css_parsing_utils.h"
#include "third_party/blink/renderer/core/layout/layout_box.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
namespace blink {
namespace css_longhand {
const CSSValue* MarginRight::ParseSingleValue(
CSSParserTokenRange& range,
const CSSParserContext& context,
const CSSParserLocalContext&) const {
return css_parsing_utils::ConsumeMarginOrOffset(
range, context.Mode(),
css_property_parser_helpers::UnitlessQuirk::kAllow);
}
bool MarginRight::IsLayoutDependent(const ComputedStyle* style,
LayoutObject* layout_object) const {
return layout_object && layout_object->IsBox() &&
(!style || !style->MarginRight().IsFixed());
}
const CSSValue* MarginRight::CSSValueFromComputedStyleInternal(
const ComputedStyle& style,
const SVGComputedStyle&,
const LayoutObject* layout_object,
Node* styled_node,
bool allow_visited_style) const {
const Length& margin_right = style.MarginRight();
if (margin_right.IsFixed() || !layout_object || !layout_object->IsBox()) {
return ComputedStyleUtils::ZoomAdjustedPixelValueForLength(margin_right,
style);
}
float value;
if (margin_right.IsPercentOrCalc()) {
// LayoutBox gives a marginRight() that is the distance between the
// right-edge of the child box and the right-edge of the containing box,
// when display == EDisplay::kBlock. Let's calculate the absolute value
// of the specified margin-right % instead of relying on LayoutBox's
// marginRight() value.
value =
MinimumValueForLength(
margin_right,
ToLayoutBox(layout_object)->ContainingBlockLogicalWidthForContent())
.ToFloat();
} else {
value = ToLayoutBox(layout_object)->MarginRight().ToFloat();
}
return ZoomAdjustedPixelValue(value, style);
}
} // namespace css_longhand
} // namespace blink
|
