243 lines
9.9 KiB
C++
243 lines
9.9 KiB
C++
/**
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* Copyright (C) 1997 Martin Jones (mjones@kde.org)
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* (C) 1997 Torben Weis (weis@kde.org)
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* (C) 1998 Waldo Bastian (bastian@kde.org)
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* (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "RenderTableRow.h"
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#include "Document.h"
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#include "HTMLNames.h"
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#include "HitTestResult.h"
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#include "PaintInfo.h"
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#include "RenderLayoutState.h"
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#include "RenderTableCell.h"
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#include "RenderTreeBuilder.h"
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#include "RenderView.h"
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#include "StyleInheritedData.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/StackStats.h>
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namespace WebCore {
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using namespace HTMLNames;
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WTF_MAKE_ISO_ALLOCATED_IMPL(RenderTableRow);
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RenderTableRow::RenderTableRow(Element& element, RenderStyle&& style)
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: RenderBox(element, WTFMove(style), 0)
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, m_rowIndex(unsetRowIndex)
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{
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setInline(false);
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setIsTableRow();
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}
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RenderTableRow::RenderTableRow(Document& document, RenderStyle&& style)
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: RenderBox(document, WTFMove(style), 0)
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, m_rowIndex(unsetRowIndex)
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{
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setInline(false);
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setIsTableRow();
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}
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void RenderTableRow::willBeRemovedFromTree(IsInternalMove isInternalMove)
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{
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RenderBox::willBeRemovedFromTree(isInternalMove);
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section()->setNeedsCellRecalc();
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}
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static bool borderWidthChanged(const RenderStyle* oldStyle, const RenderStyle* newStyle)
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{
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return oldStyle->borderLeftWidth() != newStyle->borderLeftWidth()
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|| oldStyle->borderTopWidth() != newStyle->borderTopWidth()
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|| oldStyle->borderRightWidth() != newStyle->borderRightWidth()
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|| oldStyle->borderBottomWidth() != newStyle->borderBottomWidth();
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}
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void RenderTableRow::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
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{
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ASSERT(style().display() == DisplayType::TableRow);
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RenderBox::styleDidChange(diff, oldStyle);
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propagateStyleToAnonymousChildren(PropagateToAllChildren);
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if (section() && oldStyle && style().logicalHeight() != oldStyle->logicalHeight())
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section()->rowLogicalHeightChanged(rowIndex());
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// If border was changed, notify table.
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if (RenderTable* table = this->table()) {
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if (oldStyle && oldStyle->border() != style().border())
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table->invalidateCollapsedBorders();
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if (oldStyle && diff == StyleDifference::Layout && needsLayout() && table->collapseBorders() && borderWidthChanged(oldStyle, &style())) {
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// If the border width changes on a row, we need to make sure the cells in the row know to lay out again.
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// This only happens when borders are collapsed, since they end up affecting the border sides of the cell
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// itself.
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for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell())
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cell->setChildNeedsLayout(MarkOnlyThis);
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}
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}
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}
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const BorderValue& RenderTableRow::borderAdjoiningStartCell(const RenderTableCell& cell) const
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{
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ASSERT_UNUSED(cell, cell.isFirstOrLastCellInRow());
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// FIXME: https://webkit.org/b/79272 - Add support for mixed directionality at the cell level.
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return style().borderStart();
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}
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const BorderValue& RenderTableRow::borderAdjoiningEndCell(const RenderTableCell& cell) const
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{
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ASSERT_UNUSED(cell, cell.isFirstOrLastCellInRow());
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// FIXME: https://webkit.org/b/79272 - Add support for mixed directionality at the cell level.
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return style().borderEnd();
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}
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void RenderTableRow::didInsertTableCell(RenderTableCell& child, RenderObject* beforeChild)
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{
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// Generated content can result in us having a null section so make sure to null check our parent.
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if (auto* section = this->section()) {
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section->addCell(&child, this);
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if (beforeChild || nextRow())
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section->setNeedsCellRecalc();
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}
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if (auto* table = this->table())
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table->invalidateCollapsedBorders();
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}
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void RenderTableRow::layout()
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{
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StackStats::LayoutCheckPoint layoutCheckPoint;
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ASSERT(needsLayout());
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// Table rows do not add translation.
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LayoutStateMaintainer statePusher(*this, LayoutSize(), hasTransform() || hasReflection() || style().isFlippedBlocksWritingMode());
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auto* layoutState = view().frameView().layoutContext().layoutState();
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bool paginated = layoutState->isPaginated();
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for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) {
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if (!cell->needsLayout() && paginated && (layoutState->pageLogicalHeightChanged() || (layoutState->pageLogicalHeight() && layoutState->pageLogicalOffset(cell, cell->logicalTop()) != cell->pageLogicalOffset())))
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cell->setChildNeedsLayout(MarkOnlyThis);
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if (cell->needsLayout()) {
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cell->computeAndSetBlockDirectionMargins(*table());
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cell->layout();
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}
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}
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clearOverflow();
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addVisualEffectOverflow();
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// We only ever need to repaint if our cells didn't, which menas that they didn't need
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// layout, so we know that our bounds didn't change. This code is just making up for
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// the fact that we did not repaint in setStyle() because we had a layout hint.
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// We cannot call repaint() because our clippedOverflowRect() is taken from the
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// parent table, and being mid-layout, that is invalid. Instead, we repaint our cells.
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if (selfNeedsLayout() && checkForRepaintDuringLayout()) {
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for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell())
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cell->repaint();
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}
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// RenderTableSection::layoutRows will set our logical height and width later, so it calls updateLayerTransform().
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clearNeedsLayout();
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}
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LayoutRect RenderTableRow::clippedOverflowRect(const RenderLayerModelObject* repaintContainer, VisibleRectContext context) const
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{
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ASSERT(parent());
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// Rows and cells are in the same coordinate space. We need to both compute our overflow rect (which
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// will accommodate a row outline and any visual effects on the row itself), but we also need to add in
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// the repaint rects of cells.
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LayoutRect result = RenderBox::clippedOverflowRect(repaintContainer, context);
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for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) {
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// Even if a cell is a repaint container, it's the row that paints the background behind it.
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// So we don't care if a cell is a repaintContainer here.
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result.uniteIfNonZero(cell->clippedOverflowRect(repaintContainer, context));
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}
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return result;
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}
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// Hit Testing
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bool RenderTableRow::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
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{
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// Table rows cannot ever be hit tested. Effectively they do not exist.
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// Just forward to our children always.
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for (RenderTableCell* cell = lastCell(); cell; cell = cell->previousCell()) {
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// FIXME: We have to skip over inline flows, since they can show up inside table rows
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// at the moment (a demoted inline <form> for example). If we ever implement a
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// table-specific hit-test method (which we should do for performance reasons anyway),
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// then we can remove this check.
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if (!cell->hasSelfPaintingLayer()) {
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LayoutPoint cellPoint = flipForWritingModeForChild(cell, accumulatedOffset);
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if (cell->nodeAtPoint(request, result, locationInContainer, cellPoint, action)) {
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updateHitTestResult(result, locationInContainer.point() - toLayoutSize(cellPoint));
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return true;
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}
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}
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}
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return false;
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}
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void RenderTableRow::paintOutlineForRowIfNeeded(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
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{
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LayoutPoint adjustedPaintOffset = paintOffset + location();
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PaintPhase paintPhase = paintInfo.phase;
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if ((paintPhase == PaintPhase::Outline || paintPhase == PaintPhase::SelfOutline) && style().visibility() == Visibility::Visible)
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paintOutline(paintInfo, LayoutRect(adjustedPaintOffset, size()));
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}
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void RenderTableRow::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
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{
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ASSERT(hasSelfPaintingLayer());
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paintOutlineForRowIfNeeded(paintInfo, paintOffset);
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for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) {
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// Paint the row background behind the cell.
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if (paintInfo.phase == PaintPhase::BlockBackground || paintInfo.phase == PaintPhase::ChildBlockBackground)
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cell->paintBackgroundsBehindCell(paintInfo, paintOffset, this);
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if (!cell->hasSelfPaintingLayer())
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cell->paint(paintInfo, paintOffset);
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}
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}
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void RenderTableRow::imageChanged(WrappedImagePtr, const IntRect*)
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{
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// FIXME: Examine cells and repaint only the rect the image paints in.
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repaint();
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}
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RenderPtr<RenderTableRow> RenderTableRow::createTableRowWithStyle(Document& document, const RenderStyle& style)
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{
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auto row = createRenderer<RenderTableRow>(document, RenderStyle::createAnonymousStyleWithDisplay(style, DisplayType::TableRow));
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row->initializeStyle();
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return row;
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}
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RenderPtr<RenderTableRow> RenderTableRow::createAnonymousWithParentRenderer(const RenderTableSection& parent)
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{
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return RenderTableRow::createTableRowWithStyle(parent.document(), parent.style());
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}
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} // namespace WebCore
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