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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/paint/TableSectionPainter.h" | 5 #include "core/paint/TableSectionPainter.h" |
6 | 6 |
7 #include "core/layout/LayoutTableCell.h" | 7 #include "core/layout/LayoutTableCell.h" |
8 #include "core/layout/LayoutTableCol.h" | 8 #include "core/layout/LayoutTableCol.h" |
9 #include "core/layout/LayoutTableRow.h" | 9 #include "core/layout/LayoutTableRow.h" |
10 #include "core/paint/BoxClipper.h" | 10 #include "core/paint/BoxClipper.h" |
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26 if (!layout_table_section_.IsRepeatingHeaderGroup()) | 26 if (!layout_table_section_.IsRepeatingHeaderGroup()) |
27 return; | 27 return; |
28 | 28 |
29 LayoutTable* table = layout_table_section_.Table(); | 29 LayoutTable* table = layout_table_section_.Table(); |
30 LayoutPoint pagination_offset = paint_offset; | 30 LayoutPoint pagination_offset = paint_offset; |
31 LayoutUnit page_height = table->PageLogicalHeightForOffset(LayoutUnit()); | 31 LayoutUnit page_height = table->PageLogicalHeightForOffset(LayoutUnit()); |
32 | 32 |
33 LayoutUnit header_group_offset = table->BlockOffsetToFirstRepeatableHeader(); | 33 LayoutUnit header_group_offset = table->BlockOffsetToFirstRepeatableHeader(); |
34 // The header may have a pagination strut before it so we need to account for | 34 // The header may have a pagination strut before it so we need to account for |
35 // that when establishing its position. | 35 // that when establishing its position. |
36 LayoutUnit first_row_offset; | |
mstensho (USE GERRIT)
2017/05/08 13:56:00
Could you make "pagination" or at least "strut" pa
rhogan
2017/05/09 19:57:17
This isn't necessary anymore for some reason. ¯\_(
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36 if (LayoutTableRow* row = layout_table_section_.FirstRow()) | 37 if (LayoutTableRow* row = layout_table_section_.FirstRow()) |
37 header_group_offset += row->PaginationStrut(); | 38 first_row_offset = row->PaginationStrut(); |
39 header_group_offset += first_row_offset; | |
38 LayoutUnit offset_to_next_page = | 40 LayoutUnit offset_to_next_page = |
39 page_height - IntMod(header_group_offset, page_height); | 41 page_height - IntMod(header_group_offset, page_height); |
40 // Move paginationOffset to the top of the next page. | 42 // Move pagination_offset to the top of the next page. |
41 pagination_offset.Move(LayoutUnit(), offset_to_next_page); | 43 pagination_offset.Move(LayoutUnit(), offset_to_next_page); |
42 // Now move paginationOffset to the top of the page the cull rect starts on. | 44 // Now move pagination_offset to the top of the page the cull rect starts on. |
43 if (paint_info.GetCullRect().rect_.Y() > pagination_offset.Y()) { | 45 if (paint_info.GetCullRect().rect_.Y() > pagination_offset.Y()) { |
44 pagination_offset.Move(LayoutUnit(), | 46 pagination_offset.Move(LayoutUnit(), |
45 page_height * ((paint_info.GetCullRect().rect_.Y() - | 47 page_height * ((paint_info.GetCullRect().rect_.Y() - |
46 pagination_offset.Y()) / | 48 pagination_offset.Y()) / |
47 page_height) | 49 page_height) |
48 .ToInt()); | 50 .ToInt()); |
49 } | 51 } |
50 | 52 |
51 // We only want to consider pages where we going to paint a row, so exclude | 53 // We only want to consider pages where we going to paint a row, so exclude |
52 // captions and border spacing from the table. | 54 // captions and border spacing from the table. |
53 LayoutRect sections_rect(LayoutPoint(), table->Size()); | 55 LayoutRect sections_rect(LayoutPoint(), table->Size()); |
54 table->SubtractCaptionRect(sections_rect); | 56 table->SubtractCaptionRect(sections_rect); |
55 LayoutUnit total_height_of_rows = | 57 LayoutUnit total_height_of_rows = |
56 sections_rect.Height() - table->VBorderSpacing(); | 58 sections_rect.Height() - table->VBorderSpacing(); |
57 LayoutUnit bottom_bound = | 59 LayoutUnit bottom_bound = |
58 std::min(LayoutUnit(paint_info.GetCullRect().rect_.MaxY()), | 60 std::min(LayoutUnit(paint_info.GetCullRect().rect_.MaxY()), |
59 paint_offset.Y() + total_height_of_rows); | 61 paint_offset.Y() - first_row_offset + total_height_of_rows); |
60 | 62 |
61 while (pagination_offset.Y() < bottom_bound) { | 63 while (pagination_offset.Y() < bottom_bound) { |
62 if (item_to_paint == kPaintCollapsedBorders) { | 64 if (item_to_paint == kPaintCollapsedBorders) { |
63 PaintCollapsedSectionBorders(paint_info, pagination_offset, | 65 PaintCollapsedSectionBorders(paint_info, pagination_offset, |
64 current_border_value); | 66 current_border_value); |
65 } else { | 67 } else { |
66 PaintSection(paint_info, pagination_offset); | 68 PaintSection(paint_info, pagination_offset); |
67 } | 69 } |
68 pagination_offset.Move(0, page_height.ToInt()); | 70 pagination_offset.Move(0, page_height.ToInt()); |
69 } | 71 } |
70 } | 72 } |
71 | 73 |
74 void TableSectionPainter::PaintRepeatingFooterGroup( | |
75 const PaintInfo& paint_info, | |
76 const LayoutPoint& paint_offset, | |
77 const CollapsedBorderValue& current_border_value, | |
78 ItemToPaint item_to_paint) { | |
79 if (!layout_table_section_.IsRepeatingFooterGroup()) | |
80 return; | |
81 LayoutTable* table = layout_table_section_.Table(); | |
82 LayoutRect sections_rect(LayoutPoint(), table->Size()); | |
83 // Include the top captions as we need top_offset to be | |
mstensho (USE GERRIT)
2017/05/08 13:56:00
Include, as in exclude from subtraction? How about
rhogan
2017/05/09 19:57:17
Done.
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84 // the offset from the top of table. | |
85 table->SubtractCaptionRect(sections_rect, true); | |
86 LayoutUnit total_height_of_rows = | |
87 sections_rect.Height() - table->OuterBorderBottom(); | |
88 // The footer section may be at the top of a page. | |
89 total_height_of_rows -= (layout_table_section_.LogicalHeight() - | |
90 layout_table_section_.FirstRow()->PaginationStrut()); | |
91 LayoutPoint top_offset = paint_offset; | |
92 top_offset.Move(0, -total_height_of_rows.ToInt()); | |
93 IntRect cull_rect = paint_info.GetCullRect().rect_; | |
94 cull_rect.Move(0, -total_height_of_rows.ToInt()); | |
95 for (unsigned page = 0; | |
96 page < table->PositionOfRepeatingFooterGroupOnPage().size(); page++) { | |
97 LayoutPoint pagination_offset = top_offset; | |
98 int footer_position = | |
99 table->GetPositionOfRepeatingFooterGroupOnPage(page).ToInt(); | |
mstensho (USE GERRIT)
2017/05/08 13:56:00
Since the whole vector has already been made acces
rhogan
2017/05/09 19:57:17
Done.
| |
100 if (!footer_position) | |
mstensho (USE GERRIT)
2017/05/08 13:56:00
When is it 0?
rhogan
2017/05/09 19:57:17
We don't repeat the footer on every page. For exam
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101 continue; | |
102 pagination_offset.Move(0, footer_position); | |
103 if (item_to_paint == kPaintCollapsedBorders) { | |
104 PaintCollapsedSectionBorders(paint_info, pagination_offset, | |
105 current_border_value); | |
106 } else { | |
107 PaintSection(paint_info, pagination_offset); | |
108 } | |
109 } | |
110 } | |
111 | |
72 void TableSectionPainter::Paint(const PaintInfo& paint_info, | 112 void TableSectionPainter::Paint(const PaintInfo& paint_info, |
73 const LayoutPoint& paint_offset) { | 113 const LayoutPoint& paint_offset) { |
74 ObjectPainter(layout_table_section_) | 114 ObjectPainter(layout_table_section_) |
75 .CheckPaintOffset(paint_info, paint_offset); | 115 .CheckPaintOffset(paint_info, paint_offset); |
76 PaintSection(paint_info, paint_offset); | 116 PaintSection(paint_info, paint_offset); |
77 LayoutTable* table = layout_table_section_.Table(); | 117 LayoutTable* table = layout_table_section_.Table(); |
78 if (table->Header() == layout_table_section_) | 118 if (table->Header() == layout_table_section_) { |
79 PaintRepeatingHeaderGroup(paint_info, paint_offset, CollapsedBorderValue(), | 119 PaintRepeatingHeaderGroup(paint_info, paint_offset, CollapsedBorderValue(), |
80 kPaintSection); | 120 kPaintSection); |
121 } else if (table->Footer() == layout_table_section_) { | |
122 PaintRepeatingFooterGroup(paint_info, paint_offset, CollapsedBorderValue(), | |
123 kPaintSection); | |
124 } | |
81 } | 125 } |
82 | 126 |
83 void TableSectionPainter::PaintSection(const PaintInfo& paint_info, | 127 void TableSectionPainter::PaintSection(const PaintInfo& paint_info, |
84 const LayoutPoint& paint_offset) { | 128 const LayoutPoint& paint_offset) { |
85 DCHECK(!layout_table_section_.NeedsLayout()); | 129 DCHECK(!layout_table_section_.NeedsLayout()); |
86 // avoid crashing on bugs that cause us to paint with dirty layout | 130 // avoid crashing on bugs that cause us to paint with dirty layout |
87 if (layout_table_section_.NeedsLayout()) | 131 if (layout_table_section_.NeedsLayout()) |
88 return; | 132 return; |
89 | 133 |
90 unsigned total_rows = layout_table_section_.NumRows(); | 134 unsigned total_rows = layout_table_section_.NumRows(); |
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125 | 169 |
126 return elem1->AbsoluteColumnIndex() < elem2->AbsoluteColumnIndex(); | 170 return elem1->AbsoluteColumnIndex() < elem2->AbsoluteColumnIndex(); |
127 } | 171 } |
128 | 172 |
129 void TableSectionPainter::PaintCollapsedBorders( | 173 void TableSectionPainter::PaintCollapsedBorders( |
130 const PaintInfo& paint_info, | 174 const PaintInfo& paint_info, |
131 const LayoutPoint& paint_offset, | 175 const LayoutPoint& paint_offset, |
132 const CollapsedBorderValue& current_border_value) { | 176 const CollapsedBorderValue& current_border_value) { |
133 PaintCollapsedSectionBorders(paint_info, paint_offset, current_border_value); | 177 PaintCollapsedSectionBorders(paint_info, paint_offset, current_border_value); |
134 LayoutTable* table = layout_table_section_.Table(); | 178 LayoutTable* table = layout_table_section_.Table(); |
135 if (table->Header() == layout_table_section_) | 179 if (table->Header() == layout_table_section_) { |
136 PaintRepeatingHeaderGroup(paint_info, paint_offset, current_border_value, | 180 PaintRepeatingHeaderGroup(paint_info, paint_offset, current_border_value, |
137 kPaintCollapsedBorders); | 181 kPaintCollapsedBorders); |
182 } else if (table->Footer() == layout_table_section_) { | |
183 PaintRepeatingFooterGroup(paint_info, paint_offset, current_border_value, | |
184 kPaintCollapsedBorders); | |
185 } | |
138 } | 186 } |
139 | 187 |
140 void TableSectionPainter::PaintCollapsedSectionBorders( | 188 void TableSectionPainter::PaintCollapsedSectionBorders( |
141 const PaintInfo& paint_info, | 189 const PaintInfo& paint_info, |
142 const LayoutPoint& paint_offset, | 190 const LayoutPoint& paint_offset, |
143 const CollapsedBorderValue& current_border_value) { | 191 const CollapsedBorderValue& current_border_value) { |
144 if (!layout_table_section_.NumRows() || | 192 if (!layout_table_section_.NumRows() || |
145 !layout_table_section_.Table()->EffectiveColumns().size()) | 193 !layout_table_section_.Table()->EffectiveColumns().size()) |
146 return; | 194 return; |
147 | 195 |
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396 const PaintInfo& paint_info_for_cells, | 444 const PaintInfo& paint_info_for_cells, |
397 const LayoutPoint& paint_offset) { | 445 const LayoutPoint& paint_offset) { |
398 if (!cell.HasSelfPaintingLayer() && !cell.Row()->HasSelfPaintingLayer()) { | 446 if (!cell.HasSelfPaintingLayer() && !cell.Row()->HasSelfPaintingLayer()) { |
399 LayoutPoint cell_point = | 447 LayoutPoint cell_point = |
400 layout_table_section_.FlipForWritingModeForChild(&cell, paint_offset); | 448 layout_table_section_.FlipForWritingModeForChild(&cell, paint_offset); |
401 cell.Paint(paint_info_for_cells, cell_point); | 449 cell.Paint(paint_info_for_cells, cell_point); |
402 } | 450 } |
403 } | 451 } |
404 | 452 |
405 } // namespace blink | 453 } // namespace blink |
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