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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/layout/LayoutView.h" | |
10 #include "core/paint/BoxClipper.h" | 11 #include "core/paint/BoxClipper.h" |
11 #include "core/paint/ObjectPainter.h" | 12 #include "core/paint/ObjectPainter.h" |
12 #include "core/paint/PaintInfo.h" | 13 #include "core/paint/PaintInfo.h" |
14 #include "core/paint/PaintLayer.h" | |
13 #include "core/paint/TableCellPainter.h" | 15 #include "core/paint/TableCellPainter.h" |
14 #include "core/paint/TableRowPainter.h" | 16 #include "core/paint/TableRowPainter.h" |
15 #include <algorithm> | 17 #include <algorithm> |
16 | 18 |
17 namespace blink { | 19 namespace blink { |
18 | 20 |
19 inline const LayoutTableCell* TableSectionPainter::primaryCellToPaint(unsigned r ow, unsigned column, const CellSpan& dirtiedRows, const CellSpan& dirtiedColumns ) const | 21 inline const LayoutTableCell* TableSectionPainter::primaryCellToPaint(unsigned r ow, unsigned column, const CellSpan& dirtiedRows, const CellSpan& dirtiedColumns ) const |
20 { | 22 { |
21 DCHECK(row >= dirtiedRows.start() && row < dirtiedRows.end()); | 23 DCHECK(row >= dirtiedRows.start() && row < dirtiedRows.end()); |
22 DCHECK(column >= dirtiedColumns.start() && column < dirtiedColumns.end()); | 24 DCHECK(column >= dirtiedColumns.start() && column < dirtiedColumns.end()); |
23 | 25 |
24 const LayoutTableCell* cell = m_layoutTableSection.primaryCellAt(row, column ); | 26 const LayoutTableCell* cell = m_layoutTableSection.primaryCellAt(row, column ); |
25 if (!cell) | 27 if (!cell) |
26 return nullptr; | 28 return nullptr; |
27 // We have painted (row, column) when painting (row - 1, column). | 29 // We have painted (row, column) when painting (row - 1, column). |
28 if (row > dirtiedRows.start() && m_layoutTableSection.primaryCellAt(row - 1, column) == cell) | 30 if (row > dirtiedRows.start() && m_layoutTableSection.primaryCellAt(row - 1, column) == cell) |
29 return nullptr; | 31 return nullptr; |
30 // We have painted (row, column) when painting (row, column -1). | 32 // We have painted (row, column) when painting (row, column -1). |
31 if (column > dirtiedColumns.start() && m_layoutTableSection.primaryCellAt(ro w, column - 1) == cell) | 33 if (column > dirtiedColumns.start() && m_layoutTableSection.primaryCellAt(ro w, column - 1) == cell) |
32 return nullptr; | 34 return nullptr; |
33 return cell; | 35 return cell; |
34 } | 36 } |
35 | 37 |
38 void TableSectionPainter::paintRepeatingHeaderGroup(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const CollapsedBorderValue& currentBorderValue, ItemToPaint itemToPaint) | |
39 { | |
40 if (m_layoutTableSection.getPaginationBreakability() == LayoutBox::AllowAnyB reaks) | |
41 return; | |
42 // TODO(rhogan): Should we paint a header repeatedly if it's self-painting? | |
43 if (m_layoutTableSection.hasSelfPaintingLayer()) | |
44 return; | |
45 LayoutTable* table = m_layoutTableSection.table(); | |
46 LayoutUnit pageHeight = table->pageLogicalHeightForOffset(LayoutUnit()); | |
47 if (!pageHeight) | |
48 return; | |
49 | |
50 LayoutPoint paginationOffset = paintOffset; | |
51 // Move paginationOffset to the top of the second page. | |
52 paginationOffset.move(0, pageHeight - table->pageLogicalOffset()); | |
53 // Now move paginationOffset to the top of the page the cull rect starts on. | |
54 if (paintInfo.cullRect().m_rect.y() > paginationOffset.y()) | |
55 paginationOffset.move(0, pageHeight * static_cast<int>((paintInfo.cullRe ct().m_rect.y() - paginationOffset.y()) / pageHeight)); | |
56 LayoutUnit bottomBound = std::min(LayoutUnit(paintInfo.cullRect().m_rect.max Y()), paintOffset.y() + table->logicalHeight()); | |
57 while (paginationOffset.y() < bottomBound) { | |
58 if (itemToPaint == PaintCollapsedBorders) | |
59 paintCollapsedSectionBorders(paintInfo.forDescendants(), paginationO ffset, currentBorderValue); | |
Xianzhu
2016/06/03 18:45:41
Remove .forDescendants() because the method is sti
| |
60 else | |
61 paintSection(paintInfo.forDescendants(), paginationOffset); | |
Xianzhu
2016/06/03 18:45:41
Ditto.
| |
62 paginationOffset.move(0, pageHeight); | |
63 } | |
64 } | |
65 | |
36 void TableSectionPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& p aintOffset) | 66 void TableSectionPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& p aintOffset) |
37 { | 67 { |
68 paintSection(paintInfo, paintOffset); | |
69 LayoutTable* table = m_layoutTableSection.table(); | |
70 if (table->header() == m_layoutTableSection) | |
71 paintRepeatingHeaderGroup(paintInfo, paintOffset, CollapsedBorderValue() , PaintChild); | |
72 } | |
73 | |
74 void TableSectionPainter::paintSection(const PaintInfo& paintInfo, const LayoutP oint& paintOffset) | |
75 { | |
38 DCHECK(!m_layoutTableSection.needsLayout()); | 76 DCHECK(!m_layoutTableSection.needsLayout()); |
39 // avoid crashing on bugs that cause us to paint with dirty layout | 77 // avoid crashing on bugs that cause us to paint with dirty layout |
40 if (m_layoutTableSection.needsLayout()) | 78 if (m_layoutTableSection.needsLayout()) |
41 return; | 79 return; |
42 | 80 |
43 unsigned totalRows = m_layoutTableSection.numRows(); | 81 unsigned totalRows = m_layoutTableSection.numRows(); |
44 unsigned totalCols = m_layoutTableSection.table()->numEffectiveColumns(); | 82 unsigned totalCols = m_layoutTableSection.table()->numEffectiveColumns(); |
45 | 83 |
46 if (!totalRows || !totalCols) | 84 if (!totalRows || !totalCols) |
47 return; | 85 return; |
(...skipping 21 matching lines...) Expand all Loading... | |
69 static inline bool compareCellPositionsWithOverflowingCells(LayoutTableCell* ele m1, LayoutTableCell* elem2) | 107 static inline bool compareCellPositionsWithOverflowingCells(LayoutTableCell* ele m1, LayoutTableCell* elem2) |
70 { | 108 { |
71 if (elem1->rowIndex() != elem2->rowIndex()) | 109 if (elem1->rowIndex() != elem2->rowIndex()) |
72 return elem1->rowIndex() < elem2->rowIndex(); | 110 return elem1->rowIndex() < elem2->rowIndex(); |
73 | 111 |
74 return elem1->absoluteColumnIndex() < elem2->absoluteColumnIndex(); | 112 return elem1->absoluteColumnIndex() < elem2->absoluteColumnIndex(); |
75 } | 113 } |
76 | 114 |
77 void TableSectionPainter::paintCollapsedBorders(const PaintInfo& paintInfo, cons t LayoutPoint& paintOffset, const CollapsedBorderValue& currentBorderValue) | 115 void TableSectionPainter::paintCollapsedBorders(const PaintInfo& paintInfo, cons t LayoutPoint& paintOffset, const CollapsedBorderValue& currentBorderValue) |
78 { | 116 { |
117 paintCollapsedSectionBorders(paintInfo, paintOffset, currentBorderValue); | |
118 LayoutTable* table = m_layoutTableSection.table(); | |
119 if (table->header() == m_layoutTableSection) | |
120 paintRepeatingHeaderGroup(paintInfo, paintOffset, currentBorderValue, Pa intCollapsedBorders); | |
121 } | |
122 | |
123 void TableSectionPainter::paintCollapsedSectionBorders(const PaintInfo& paintInf o, const LayoutPoint& paintOffset, const CollapsedBorderValue& currentBorderValu e) | |
124 { | |
79 if (!m_layoutTableSection.numRows() || !m_layoutTableSection.table()->effect iveColumns().size()) | 125 if (!m_layoutTableSection.numRows() || !m_layoutTableSection.table()->effect iveColumns().size()) |
80 return; | 126 return; |
81 | 127 |
82 LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableSection.locatio n(); | 128 LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableSection.locatio n(); |
83 BoxClipper boxClipper(m_layoutTableSection, paintInfo, adjustedPaintOffset, ForceContentsClip); | 129 BoxClipper boxClipper(m_layoutTableSection, paintInfo, adjustedPaintOffset, ForceContentsClip); |
84 | 130 |
85 LayoutRect localPaintInvalidationRect = LayoutRect(paintInfo.cullRect().m_re ct); | 131 LayoutRect localPaintInvalidationRect = LayoutRect(paintInfo.cullRect().m_re ct); |
86 localPaintInvalidationRect.moveBy(-adjustedPaintOffset); | 132 localPaintInvalidationRect.moveBy(-adjustedPaintOffset); |
87 | 133 |
88 LayoutRect tableAlignedRect = m_layoutTableSection.logicalRectForWritingMode AndDirection(localPaintInvalidationRect); | 134 LayoutRect tableAlignedRect = m_layoutTableSection.logicalRectForWritingMode AndDirection(localPaintInvalidationRect); |
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231 | 277 |
232 void TableSectionPainter::paintCell(const LayoutTableCell& cell, const PaintInfo & paintInfoForCells, const LayoutPoint& paintOffset) | 278 void TableSectionPainter::paintCell(const LayoutTableCell& cell, const PaintInfo & paintInfoForCells, const LayoutPoint& paintOffset) |
233 { | 279 { |
234 if (!cell.hasSelfPaintingLayer() && !cell.row()->hasSelfPaintingLayer()) { | 280 if (!cell.hasSelfPaintingLayer() && !cell.row()->hasSelfPaintingLayer()) { |
235 LayoutPoint cellPoint = m_layoutTableSection.flipForWritingModeForChild( &cell, paintOffset); | 281 LayoutPoint cellPoint = m_layoutTableSection.flipForWritingModeForChild( &cell, paintOffset); |
236 cell.paint(paintInfoForCells, cellPoint); | 282 cell.paint(paintInfoForCells, cellPoint); |
237 } | 283 } |
238 } | 284 } |
239 | 285 |
240 } // namespace blink | 286 } // namespace blink |
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