[LayoutNG] Implement 'text-align-last'

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h

 // Copyright 2016 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 NGInlineLayoutAlgorithm_h
 #define NGInlineLayoutAlgorithm_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/geometry/ng_logical_offset.h"
 #include "core/layout/ng/inline/ng_inline_box_state.h"
@@ skipping 27 matching lines @@
   NGInlineLayoutAlgorithm(NGInlineNode,
                           NGConstraintSpace*,
                           NGInlineBreakToken* = nullptr);
 
   // The available width for the current line.
   LayoutUnit AvailableWidth() const;
 
   // Create a line.
   // @return false if the line does not fit in the constraint space in block
   //         direction.
-  bool CreateLine(NGInlineItemResults*, RefPtr<NGInlineBreakToken> = nullptr);
+  bool CreateLine(NGLineInfo*, RefPtr<NGInlineBreakToken> = nullptr);
 
   RefPtr<NGLayoutResult> Layout() override;
 
   // Lays out the inline float.
   // List of actions:
   // - tries to position the float right away if we have enough space.
   // - updates the current_opportunity if we actually place the float.
   // - if it's too wide then we add the float to the unpositioned list so it can
   //   be positioned after we're done with the current line.
   void LayoutAndPositionFloat(LayoutUnit end_position, LayoutObject*);
 
  private:
   bool IsHorizontalWritingMode() const { return is_horizontal_writing_mode_; }
 
-  bool IsFirstLine() const;
-  const ComputedStyle& FirstLineStyle() const;
-  const ComputedStyle& LineStyle() const;
-
   LayoutUnit LogicalLeftOffset() const;
 
   void BidiReorder(NGInlineItemResults*);
 
-  bool PlaceItems(NGInlineItemResults*, RefPtr<NGInlineBreakToken>);
+  bool PlaceItems(NGLineInfo*, RefPtr<NGInlineBreakToken>);
   NGInlineBoxState* PlaceAtomicInline(const NGInlineItem&,
                                       NGInlineItemResult*,
+                                      bool is_first_line,
                                       LayoutUnit position,
                                       NGLineBoxFragmentBuilder*,
                                       NGTextFragmentBuilder*);
 
-  void ApplyTextAlign(LayoutUnit* line_left,
+  void ApplyTextAlign(const ComputedStyle&,
+                      ETextAlign,
+                      LayoutUnit* line_left,
                       LayoutUnit inline_size,
                       LayoutUnit available_width);
 
   // Finds the next layout opportunity for the next text fragment.
   void FindNextLayoutOpportunity();
 
   NGInlineLayoutStateStack box_states_;
   LayoutUnit content_size_;
   LayoutUnit max_inline_size_;
   FontBaseline baseline_type_ = FontBaseline::kAlphabeticBaseline;
 
   NGLogicalOffset bfc_offset_;
   NGLogicalRect current_opportunity_;
 
   unsigned is_horizontal_writing_mode_ : 1;
-  unsigned disallow_first_line_rules_ : 1;
 
   NGConstraintSpaceBuilder space_builder_;
   NGBoxStrut border_and_padding_;
 };
 
 }  // namespace blink
 
 #endif  // NGInlineLayoutAlgorithm_h