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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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28 return nullptr; | 28 return nullptr; |
29 // We have painted (row, column) when painting (row - 1, column). | 29 // We have painted (row, column) when painting (row - 1, column). |
30 if (row > dirtiedRows.start() && m_layoutTableSection.primaryCellAt(row - 1,
column) == cell) | 30 if (row > dirtiedRows.start() && m_layoutTableSection.primaryCellAt(row - 1,
column) == cell) |
31 return nullptr; | 31 return nullptr; |
32 // We have painted (row, column) when painting (row, column -1). | 32 // We have painted (row, column) when painting (row, column -1). |
33 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) |
34 return nullptr; | 34 return nullptr; |
35 return cell; | 35 return cell; |
36 } | 36 } |
37 | 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, paginationOffset, currentBor
derValue); |
| 60 else |
| 61 paintSection(paintInfo, paginationOffset); |
| 62 paginationOffset.move(0, pageHeight); |
| 63 } |
| 64 } |
| 65 |
38 void TableSectionPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& p
aintOffset) | 66 void TableSectionPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& p
aintOffset) |
39 { | 67 { |
| 68 paintSection(paintInfo, paintOffset); |
| 69 LayoutTable* table = m_layoutTableSection.table(); |
| 70 if (table->header() == m_layoutTableSection) |
| 71 paintRepeatingHeaderGroup(paintInfo, paintOffset, CollapsedBorderValue()
, PaintSection); |
| 72 } |
| 73 |
| 74 void TableSectionPainter::paintSection(const PaintInfo& paintInfo, const LayoutP
oint& paintOffset) |
| 75 { |
40 DCHECK(!m_layoutTableSection.needsLayout()); | 76 DCHECK(!m_layoutTableSection.needsLayout()); |
41 // 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 |
42 if (m_layoutTableSection.needsLayout()) | 78 if (m_layoutTableSection.needsLayout()) |
43 return; | 79 return; |
44 | 80 |
45 unsigned totalRows = m_layoutTableSection.numRows(); | 81 unsigned totalRows = m_layoutTableSection.numRows(); |
46 unsigned totalCols = m_layoutTableSection.table()->numEffectiveColumns(); | 82 unsigned totalCols = m_layoutTableSection.table()->numEffectiveColumns(); |
47 | 83 |
48 if (!totalRows || !totalCols) | 84 if (!totalRows || !totalCols) |
49 return; | 85 return; |
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71 static inline bool compareCellPositionsWithOverflowingCells(LayoutTableCell* ele
m1, LayoutTableCell* elem2) | 107 static inline bool compareCellPositionsWithOverflowingCells(LayoutTableCell* ele
m1, LayoutTableCell* elem2) |
72 { | 108 { |
73 if (elem1->rowIndex() != elem2->rowIndex()) | 109 if (elem1->rowIndex() != elem2->rowIndex()) |
74 return elem1->rowIndex() < elem2->rowIndex(); | 110 return elem1->rowIndex() < elem2->rowIndex(); |
75 | 111 |
76 return elem1->absoluteColumnIndex() < elem2->absoluteColumnIndex(); | 112 return elem1->absoluteColumnIndex() < elem2->absoluteColumnIndex(); |
77 } | 113 } |
78 | 114 |
79 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) |
80 { | 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 { |
81 if (!m_layoutTableSection.numRows() || !m_layoutTableSection.table()->effect
iveColumns().size()) | 125 if (!m_layoutTableSection.numRows() || !m_layoutTableSection.table()->effect
iveColumns().size()) |
82 return; | 126 return; |
83 | 127 |
84 LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableSection.locatio
n(); | 128 LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableSection.locatio
n(); |
85 BoxClipper boxClipper(m_layoutTableSection, paintInfo, adjustedPaintOffset,
ForceContentsClip); | 129 BoxClipper boxClipper(m_layoutTableSection, paintInfo, adjustedPaintOffset,
ForceContentsClip); |
86 | 130 |
87 LayoutRect localPaintInvalidationRect = LayoutRect(paintInfo.cullRect().m_re
ct); | 131 LayoutRect localPaintInvalidationRect = LayoutRect(paintInfo.cullRect().m_re
ct); |
88 localPaintInvalidationRect.moveBy(-adjustedPaintOffset); | 132 localPaintInvalidationRect.moveBy(-adjustedPaintOffset); |
89 | 133 |
90 LayoutRect tableAlignedRect = m_layoutTableSection.logicalRectForWritingMode
AndDirection(localPaintInvalidationRect); | 134 LayoutRect tableAlignedRect = m_layoutTableSection.logicalRectForWritingMode
AndDirection(localPaintInvalidationRect); |
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254 DisplayItem::Type type = shadowStyle == Normal ? DisplayItem::TableSectionBo
xShadowNormal : DisplayItem::TableSectionBoxShadowInset; | 298 DisplayItem::Type type = shadowStyle == Normal ? DisplayItem::TableSectionBo
xShadowNormal : DisplayItem::TableSectionBoxShadowInset; |
255 if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.contex
t, m_layoutTableSection, type)) | 299 if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.contex
t, m_layoutTableSection, type)) |
256 return; | 300 return; |
257 | 301 |
258 LayoutRect bounds = BoxPainter(m_layoutTableSection).boundsForDrawingRecorde
r(paintOffset); | 302 LayoutRect bounds = BoxPainter(m_layoutTableSection).boundsForDrawingRecorde
r(paintOffset); |
259 LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutTableSection
, type, bounds); | 303 LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutTableSection
, type, bounds); |
260 BoxPainter::paintBoxShadow(paintInfo, LayoutRect(paintOffset, m_layoutTableS
ection.size()), m_layoutTableSection.styleRef(), shadowStyle); | 304 BoxPainter::paintBoxShadow(paintInfo, LayoutRect(paintOffset, m_layoutTableS
ection.size()), m_layoutTableSection.styleRef(), shadowStyle); |
261 } | 305 } |
262 | 306 |
263 } // namespace blink | 307 } // namespace blink |
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