| // 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 "core/layout/ng/inline/ng_line_box_fragment_builder.h" |
| |
| #include "core/layout/ng/geometry/ng_logical_size.h" |
| #include "core/layout/ng/inline/ng_inline_break_token.h" |
| #include "core/layout/ng/inline/ng_inline_node.h" |
| #include "core/layout/ng/inline/ng_physical_line_box_fragment.h" |
| #include "core/layout/ng/ng_exclusion_space.h" |
| #include "core/layout/ng/ng_layout_result.h" |
| #include "core/layout/ng/ng_positioned_float.h" |
| |
| namespace blink { |
| |
| NGLineBoxFragmentBuilder::NGLineBoxFragmentBuilder( |
| NGInlineNode node, |
| RefPtr<const ComputedStyle> style, |
| NGWritingMode writing_mode) |
| : NGContainerFragmentBuilder(style, writing_mode, TextDirection::kLtr), |
| node_(node) {} |
| |
| NGLogicalSize NGLineBoxFragmentBuilder::Size() const { |
| return {inline_size_, metrics_.LineHeight()}; |
| } |
| |
| void NGLineBoxFragmentBuilder::MoveChildrenInBlockDirection(LayoutUnit delta) { |
| for (auto& offset : offsets_) |
| offset.block_offset += delta; |
| } |
| |
| void NGLineBoxFragmentBuilder::MoveChildrenInBlockDirection(LayoutUnit delta, |
| unsigned start, |
| unsigned end) { |
| for (unsigned index = start; index < end; index++) |
| offsets_[index].block_offset += delta; |
| } |
| |
| void NGLineBoxFragmentBuilder::SetMetrics(const NGLineHeightMetrics& metrics) { |
| metrics_ = metrics; |
| } |
| |
| void NGLineBoxFragmentBuilder::AddPositionedFloat( |
| const NGPositionedFloat& positioned_float) { |
| positioned_floats_.push_back(positioned_float); |
| } |
| |
| void NGLineBoxFragmentBuilder::SetBreakToken( |
| RefPtr<NGInlineBreakToken> break_token) { |
| break_token_ = std::move(break_token); |
| } |
| |
| RefPtr<NGLayoutResult> NGLineBoxFragmentBuilder::ToLineBoxFragment() { |
| DCHECK_EQ(offsets_.size(), children_.size()); |
| |
| NGWritingMode writing_mode( |
| FromPlatformWritingMode(node_.Style().GetWritingMode())); |
| NGPhysicalSize physical_size = |
| NGLogicalSize(inline_size_, Metrics().LineHeight()) |
| .ConvertToPhysical(writing_mode); |
| |
| for (size_t i = 0; i < children_.size(); ++i) { |
| NGPhysicalFragment* child = children_[i].get(); |
| child->SetOffset(offsets_[i].ConvertToPhysical( |
| writing_mode, Direction(), physical_size, child->Size())); |
| } |
| |
| RefPtr<NGPhysicalLineBoxFragment> fragment = |
| WTF::AdoptRef(new NGPhysicalLineBoxFragment( |
| Style(), physical_size, children_, metrics_, |
| break_token_ ? std::move(break_token_) |
| : NGInlineBreakToken::Create(node_))); |
| |
| return WTF::AdoptRef(new NGLayoutResult( |
| std::move(fragment), oof_positioned_descendants_, positioned_floats_, |
| unpositioned_floats_, std::move(exclusion_space_), bfc_offset_, |
| end_margin_strut_, |
| /* intrinsic_block_size */ LayoutUnit(), NGLayoutResult::kSuccess)); |
| } |
| |
| } // namespace blink |