Repeat footers in paginated context

third_party/WebKit/Source/core/layout/LayoutTable.h

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2009, 2010 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 195 matching lines @@
   void SetEffectiveColumnPosition(unsigned index, int position) {
     // Note that if our horizontal border-spacing changed, our position will
     // change but not our column's width. In practice, horizontal border-spacing
     // won't change often.
     column_logical_width_changed_ |=
         effective_column_positions_[index] != position;
     effective_column_positions_[index] = position;
   }
 
   LayoutTableSection* Header() const {
-    // TODO(mstensho): We should ideally DCHECK(!needsSectionRecalc()) here, but
-    // we currently cannot, due to crbug.com/693212
+    DCHECK(!NeedsSectionRecalc());

[mstensho (USE GERRIT), 2017/06/16 08:43:06]

Better leave this alone in this CL. I don't even know if it's possible to do
this yet.

[rhogan, 2017/06/20 18:46:05]

OK.

     return head_;
   }
   LayoutTableSection* Footer() const {
     DCHECK(!NeedsSectionRecalc());
     return foot_;
   }
   LayoutTableSection* FirstBody() const {
     DCHECK(!NeedsSectionRecalc());
     return first_body_;
   }
 
   void SetRowOffsetFromRepeatingHeader(LayoutUnit offset) {
     row_offset_from_repeating_header_ = offset;
   }
   LayoutUnit RowOffsetFromRepeatingHeader() const {
     return row_offset_from_repeating_header_;
   }
 
+  void SetRowOffsetFromRepeatingFooter(LayoutUnit offset) {
+    row_offset_from_repeating_footer_ = offset;
+  }
+  LayoutUnit RowOffsetFromRepeatingFooter() const {
+    return row_offset_from_repeating_footer_;
+  }
+
   // These functions return nullptr if the table has no sections.
   LayoutTableSection* TopSection() const;
   LayoutTableSection* BottomSection() const;
 
   // These functions return nullptr if the table has no non-empty sections.
   LayoutTableSection* TopNonEmptySection() const;
   LayoutTableSection* BottomNonEmptySection() const;
 
   unsigned LastEffectiveColumnIndex() const {
     return NumEffectiveColumns() - 1;
@@ skipping 329 matching lines @@
   short h_spacing_;
   short v_spacing_;
 
   mutable unsigned collapsed_outer_border_start_;
   mutable unsigned collapsed_outer_border_end_;
   mutable unsigned collapsed_outer_border_before_;
   mutable unsigned collapsed_outer_border_after_;
 
   LayoutUnit block_offset_to_first_repeatable_header_;
   LayoutUnit row_offset_from_repeating_header_;
+  LayoutUnit row_offset_from_repeating_footer_;
   LayoutUnit old_available_logical_height_;
 };
 
 inline LayoutTableSection* LayoutTable::TopSection() const {
   DCHECK(!NeedsSectionRecalc());
   if (head_)
     return head_;
   if (first_body_)
     return first_body_;
   return foot_;
 }
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTable, IsTable());
 
 }  // namespace blink
 
 #endif  // LayoutTable_h