third_party/WebKit/Source/core/paint/TableRowPainter.cpp

// 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 "core/paint/TableRowPainter.h"

#include "core/layout/LayoutTableCell.h"
#include "core/layout/LayoutTableRow.h"
#include "core/paint/BoxPainter.h"
#include "core/paint/LayoutObjectDrawingRecorder.h"
#include "core/paint/ObjectPainter.h"
#include "core/paint/PaintInfo.h"
#include "core/paint/TableCellPainter.h"

namespace blink {

void TableRowPainter::paint(const PaintInfo& paintInfo,
                            const LayoutPoint& paintOffset) {
  DCHECK(m_layoutTableRow.hasSelfPaintingLayer());

  // TODO(crbug.com/577282): This painting order is inconsistent with other
  // outlines.
  if (shouldPaintSelfOutline(paintInfo.phase))
    paintOutline(paintInfo, paintOffset);
  if (paintInfo.phase == PaintPhaseSelfOutlineOnly)
    return;

  PaintInfo paintInfoForCells = paintInfo.forDescendants();
  if (shouldPaintSelfBlockBackground(paintInfo.phase)) {
    paintBoxShadow(paintInfo, paintOffset, Normal);
    if (m_layoutTableRow.styleRef().hasBackground()) {
      // Paint row background of behind the cells.
      for (LayoutTableCell* cell = m_layoutTableRow.firstCell(); cell;
           cell = cell->nextCell())
        TableCellPainter(*cell).paintContainerBackgroundBehindCell(
            paintInfoForCells, paintOffset, m_layoutTableRow,
            DisplayItem::kTableCellBackgroundFromRow);
    }
    paintBoxShadow(paintInfo, paintOffset, Inset);
  }

  if (paintInfo.phase == PaintPhaseSelfBlockBackgroundOnly)
    return;

  for (LayoutTableCell* cell = m_layoutTableRow.firstCell(); cell;
       cell = cell->nextCell()) {
    if (!cell->hasSelfPaintingLayer())
      cell->paint(paintInfoForCells, paintOffset);
  }
}

void TableRowPainter::paintOutline(const PaintInfo& paintInfo,
                                   const LayoutPoint& paintOffset) {
  DCHECK(shouldPaintSelfOutline(paintInfo.phase));
  LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableRow.location();
  ObjectPainter(m_layoutTableRow).paintOutline(paintInfo, adjustedPaintOffset);
}

void TableRowPainter::paintBoxShadow(const PaintInfo& paintInfo,
                                     const LayoutPoint& paintOffset,
                                     ShadowStyle shadowStyle) {
  DCHECK(shouldPaintSelfBlockBackground(paintInfo.phase));
  if (!m_layoutTableRow.styleRef().boxShadow())
    return;

  DisplayItem::Type type = shadowStyle == Normal
                               ? DisplayItem::kTableRowBoxShadowNormal
                               : DisplayItem::kTableRowBoxShadowInset;
  if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
          paintInfo.context, m_layoutTableRow, type))
    return;

  LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableRow.location();
  LayoutRect bounds =
      BoxPainter(m_layoutTableRow)
          .boundsForDrawingRecorder(paintInfo, adjustedPaintOffset);
  LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutTableRow,
                                       type, bounds);
  BoxPainter::paintBoxShadow(
      paintInfo, LayoutRect(adjustedPaintOffset, m_layoutTableRow.size()),
      m_layoutTableRow.styleRef(), shadowStyle);
}

void TableRowPainter::paintBackgroundBehindCell(
    const LayoutTableCell& cell,
    const PaintInfo& paintInfo,
    const LayoutPoint& paintOffset) {
  DCHECK(m_layoutTableRow.styleRef().hasBackground() &&
         !m_layoutTableRow.hasSelfPaintingLayer());
  LayoutPoint cellPoint =
      m_layoutTableRow.section()->flipForWritingModeForChild(&cell,
                                                             paintOffset);
  TableCellPainter(cell).paintContainerBackgroundBehindCell(
      paintInfo, cellPoint, m_layoutTableRow,
      DisplayItem::kTableCellBackgroundFromRow);
}

}  // namespace blink