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// Copyright 2014 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.
#include "third_party/blink/renderer/core/paint/table_row_painter.h"
#include "third_party/blink/renderer/core/layout/layout_table_cell.h"
#include "third_party/blink/renderer/core/layout/layout_table_row.h"
#include "third_party/blink/renderer/core/paint/adjust_paint_offset_scope.h"
#include "third_party/blink/renderer/core/paint/box_painter.h"
#include "third_party/blink/renderer/core/paint/box_painter_base.h"
#include "third_party/blink/renderer/core/paint/collapsed_border_painter.h"
#include "third_party/blink/renderer/core/paint/object_painter.h"
#include "third_party/blink/renderer/core/paint/paint_info.h"
#include "third_party/blink/renderer/core/paint/table_cell_painter.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
namespace blink {
void TableRowPainter::Paint(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
DCHECK(layout_table_row_.HasSelfPaintingLayer());
// TODO(crbug.com/805514): Paint mask for table row.
if (paint_info.phase == PaintPhase::kMask)
return;
// TODO(crbug.com/577282): This painting order is inconsistent with other
// outlines.
if (ShouldPaintSelfOutline(paint_info.phase))
PaintOutline(paint_info, paint_offset);
if (paint_info.phase == PaintPhase::kSelfOutlineOnly)
return;
if (ShouldPaintSelfBlockBackground(paint_info.phase)) {
PaintBoxDecorationBackground(
paint_info, paint_offset,
layout_table_row_.Section()->FullTableEffectiveColumnSpan());
}
if (paint_info.phase == PaintPhase::kSelfBlockBackgroundOnly)
return;
PaintInfo paint_info_for_cells = paint_info.ForDescendants();
for (LayoutTableCell* cell = layout_table_row_.FirstCell(); cell;
cell = cell->NextCell()) {
if (!cell->HasSelfPaintingLayer())
cell->Paint(paint_info_for_cells, paint_offset);
}
}
void TableRowPainter::PaintOutline(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
DCHECK(ShouldPaintSelfOutline(paint_info.phase));
AdjustPaintOffsetScope adjustment(layout_table_row_, paint_info,
paint_offset);
ObjectPainter(layout_table_row_)
.PaintOutline(adjustment.GetPaintInfo(),
adjustment.AdjustedPaintOffset());
}
void TableRowPainter::HandleChangedPartialPaint(
const PaintInfo& paint_info,
const CellSpan& dirtied_columns) {
PaintResult paint_result =
dirtied_columns ==
layout_table_row_.Section()->FullTableEffectiveColumnSpan()
? kFullyPainted
: kMayBeClippedByPaintDirtyRect;
layout_table_row_.GetMutableForPainting().UpdatePaintResult(
paint_result, paint_info.GetCullRect());
}
void TableRowPainter::PaintBoxDecorationBackground(
const PaintInfo& paint_info,
const LayoutPoint& paint_offset,
const CellSpan& dirtied_columns) {
bool has_background = layout_table_row_.StyleRef().HasBackground();
bool has_box_shadow = layout_table_row_.StyleRef().BoxShadow();
if (!has_background && !has_box_shadow)
return;
HandleChangedPartialPaint(paint_info, dirtied_columns);
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, layout_table_row_,
DisplayItem::kBoxDecorationBackground))
return;
AdjustPaintOffsetScope adjustment(layout_table_row_, paint_info,
paint_offset);
const auto& local_paint_info = adjustment.GetPaintInfo();
auto adjusted_paint_offset = adjustment.AdjustedPaintOffset();
DrawingRecorder recorder(local_paint_info.context, layout_table_row_,
DisplayItem::kBoxDecorationBackground);
LayoutRect paint_rect(adjusted_paint_offset, layout_table_row_.Size());
if (has_box_shadow) {
BoxPainterBase::PaintNormalBoxShadow(local_paint_info, paint_rect,
layout_table_row_.StyleRef());
}
if (has_background) {
const auto* section = layout_table_row_.Section();
PaintInfo paint_info_for_cells = local_paint_info.ForDescendants();
for (auto c = dirtied_columns.Start(); c < dirtied_columns.End(); c++) {
if (const auto* cell =
section->OriginatingCellAt(layout_table_row_.RowIndex(), c))
PaintBackgroundBehindCell(*cell, paint_info_for_cells, paint_offset);
}
}
if (has_box_shadow) {
BoxPainterBase::PaintInsetBoxShadowWithInnerRect(
local_paint_info, paint_rect, layout_table_row_.StyleRef());
}
}
void TableRowPainter::PaintBackgroundBehindCell(
const LayoutTableCell& cell,
const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
DCHECK(layout_table_row_.StyleRef().HasBackground());
LayoutPoint cell_point = paint_offset;
// If the row is self painting, paintOffset is in row's coordinates, so
// doesn't need to flip in section's blocks direction. A row doesn't have
// flipped blocks direction.
if (!layout_table_row_.HasSelfPaintingLayer()) {
cell_point =
layout_table_row_.Section()->FlipForWritingModeForChildForPaint(
&cell, cell_point);
}
TableCellPainter(cell).PaintContainerBackgroundBehindCell(
paint_info, cell_point, layout_table_row_);
}
void TableRowPainter::PaintCollapsedBorders(const PaintInfo& paint_info,
const LayoutPoint& paint_offset,
const CellSpan& dirtied_columns) {
base::Optional<DrawingRecorder> recorder;
if (LIKELY(!layout_table_row_.Table()->ShouldPaintAllCollapsedBorders())) {
HandleChangedPartialPaint(paint_info, dirtied_columns);
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, layout_table_row_,
DisplayItem::kTableCollapsedBorders))
return;
recorder.emplace(paint_info.context, layout_table_row_,
DisplayItem::kTableCollapsedBorders);
}
// Otherwise TablePainter should have created the drawing recorder.
const auto* section = layout_table_row_.Section();
unsigned row = layout_table_row_.RowIndex();
for (unsigned c = std::min(dirtied_columns.End(), section->NumCols(row));
c > dirtied_columns.Start(); c--) {
if (const auto* cell = section->OriginatingCellAt(row, c - 1)) {
LayoutPoint cell_point =
section->FlipForWritingModeForChildForPaint(cell, paint_offset);
CollapsedBorderPainter(*cell).PaintCollapsedBorders(paint_info,
cell_point);
}
}
}
} // namespace blink
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