summaryrefslogtreecommitdiff
path: root/chromium/third_party/blink/renderer/core/layout/ng/inline/ng_inline_item_result.cc
blob: 960648adae982100ef446b69362a40017c644d55 (plain)
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
// 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/layout/ng/inline/ng_inline_item_result.h"

#include "third_party/blink/renderer/core/layout/ng/inline/ng_inline_node.h"
#include "third_party/blink/renderer/core/layout/ng/ng_constraint_space.h"
#include "third_party/blink/renderer/platform/fonts/shaping/shape_result_view.h"

namespace blink {

NGInlineItemResult::NGInlineItemResult()
    : item(nullptr), item_index(0), start_offset(0), end_offset(0) {}

NGInlineItemResult::NGInlineItemResult(const NGInlineItem* item,
                                       unsigned index,
                                       unsigned start,
                                       unsigned end,
                                       bool should_create_line_box)
    : item(item),
      item_index(index),
      start_offset(start),
      end_offset(end),
      should_create_line_box(should_create_line_box) {}

void NGLineInfo::SetLineStyle(const NGInlineNode& node,
                              const NGInlineItemsData& items_data,
                              bool use_first_line_style) {
  use_first_line_style_ = use_first_line_style;
  items_data_ = &items_data;
  line_style_ = node.GetLayoutBox()->Style(use_first_line_style_);
}

#if DCHECK_IS_ON()
void NGInlineItemResult::CheckConsistency(bool during_line_break) const {
  DCHECK(item);
  if (item->Type() == NGInlineItem::kText) {
    DCHECK_LT(start_offset, end_offset);
    if (during_line_break && !shape_result)
      return;
    DCHECK(shape_result);
    DCHECK_EQ(end_offset - start_offset, shape_result->NumCharacters());
    DCHECK_EQ(start_offset, shape_result->StartIndex());
    DCHECK_EQ(end_offset, shape_result->EndIndex());
  }
}
#endif

LayoutUnit NGLineInfo::ComputeWidth() const {
  LayoutUnit inline_size = TextIndent();
  for (const NGInlineItemResult& item_result : Results())
    inline_size += item_result.inline_size;

  if (UNLIKELY(line_end_fragment_)) {
    inline_size += line_end_fragment_->Size()
                       .ConvertToLogical(LineStyle().GetWritingMode())
                       .inline_size;
  }

  return inline_size;
}

void NGLineInfo::SetLineEndFragment(
    scoped_refptr<const NGPhysicalTextFragment> fragment) {
  line_end_fragment_ = std::move(fragment);
}

}  // namespace blink