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
|
/*
* 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. 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 "AbstractLineBuilder.h"
#include "InlineContentCache.h"
namespace WebCore {
namespace Layout {
class InlineContentBreaker;
struct CandidateTextContent;
struct TextOnlyLineBreakResult;
class TextOnlySimpleLineBuilder final : public AbstractLineBuilder {
public:
TextOnlySimpleLineBuilder(InlineFormattingContext&, const ElementBox& rootBox, HorizontalConstraints rootHorizontalConstraints, const InlineItemList&);
LineLayoutResult layoutInlineContent(const LineInput&, const std::optional<PreviousLine>&) final;
static bool isEligibleForSimplifiedTextOnlyInlineLayoutByContent(const InlineContentCache::InlineItems&, const PlacedFloats&);
static bool isEligibleForSimplifiedInlineLayoutByStyle(const RenderStyle&);
private:
InlineItemPosition placeInlineTextContent(const RenderStyle&, const InlineItemRange&);
InlineItemPosition placeNonWrappingInlineTextContent(const RenderStyle&, const InlineItemRange&);
TextOnlyLineBreakResult handleOverflowingTextContent(const RenderStyle&, const InlineContentBreaker::ContinuousContent&, const InlineItemRange&);
TextOnlyLineBreakResult commitCandidateContent(const RenderStyle&, const CandidateTextContent&, const InlineItemRange&);
void initialize(const InlineItemRange&, const InlineRect& initialLogicalRect, const std::optional<PreviousLine>&);
void handleLineEnding(const RenderStyle&, InlineItemPosition, size_t layoutRangeEndIndex);
size_t revertToTrailingItem(const RenderStyle&, const InlineItemRange&, const InlineTextItem&);
size_t revertToLastNonOverflowingItem(const RenderStyle&, const InlineItemRange&);
InlineLayoutUnit availableWidth() const;
bool isWrappingAllowed() const { return m_isWrappingAllowed; }
private:
bool m_isWrappingAllowed { false };
InlineLayoutUnit m_trimmedTrailingWhitespaceWidth { 0.f };
std::optional<InlineLayoutUnit> m_overflowContentLogicalWidth { };
};
}
}
|
