| // 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. |
| |
| #ifndef NGLineBoxFragmentBuilder_h |
| #define NGLineBoxFragmentBuilder_h |
| |
| #include "core/layout/ng/geometry/ng_logical_offset.h" |
| #include "core/layout/ng/inline/ng_inline_break_token.h" |
| #include "core/layout/ng/inline/ng_line_height_metrics.h" |
| #include "platform/wtf/Allocator.h" |
| |
| namespace blink { |
| |
| class NGInlineNode; |
| class NGPhysicalFragment; |
| class NGPhysicalLineBoxFragment; |
| |
| class CORE_EXPORT NGLineBoxFragmentBuilder final { |
| STACK_ALLOCATED(); |
| |
| public: |
| explicit NGLineBoxFragmentBuilder(NGInlineNode); |
| |
| NGLineBoxFragmentBuilder& SetWritingMode(NGWritingMode); |
| NGWritingMode WritingMode() const { return writing_mode_; } |
| |
| NGLineBoxFragmentBuilder& SetDirection(TextDirection); |
| |
| NGLineBoxFragmentBuilder& SetInlineSize(LayoutUnit); |
| |
| NGLineBoxFragmentBuilder& AddChild(RefPtr<NGPhysicalFragment>, |
| const NGLogicalOffset&); |
| void MoveChildrenInBlockDirection(LayoutUnit); |
| void MoveChildrenInBlockDirection(LayoutUnit, unsigned start, unsigned end); |
| |
| const Vector<RefPtr<NGPhysicalFragment>>& Children() const { |
| return children_; |
| } |
| Vector<RefPtr<NGPhysicalFragment>>& MutableChildren() { return children_; } |
| const Vector<NGLogicalOffset>& Offsets() const { return offsets_; } |
| Vector<NGLogicalOffset>& MutableOffsets() { return offsets_; } |
| |
| void SetMetrics(const NGLineHeightMetrics&); |
| const NGLineHeightMetrics& Metrics() const { return metrics_; } |
| |
| // Set the break token for the fragment to build. |
| // A finished break token will be attached if not set. |
| void SetBreakToken(RefPtr<NGInlineBreakToken>); |
| |
| // Creates the fragment. Can only be called once. |
| RefPtr<NGPhysicalLineBoxFragment> ToLineBoxFragment(); |
| |
| private: |
| NGWritingMode writing_mode_; |
| TextDirection direction_; |
| |
| NGInlineNode node_; |
| |
| LayoutUnit inline_size_; |
| |
| Vector<RefPtr<NGPhysicalFragment>> children_; |
| Vector<NGLogicalOffset> offsets_; |
| |
| NGLineHeightMetrics metrics_; |
| |
| RefPtr<NGInlineBreakToken> break_token_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // NGLineBoxFragmentBuilder |