blob: e176939f44e7742f7a74db220d882c7dc7a639b2 [file] [log] [blame]
/**
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "RenderTableRow.h"
#include "Document.h"
#include "HTMLNames.h"
#include "HitTestResult.h"
#include "PaintInfo.h"
#include "RenderLayoutState.h"
#include "RenderTableCell.h"
#include "RenderTreeBuilder.h"
#include "RenderView.h"
#include "StyleInheritedData.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/StackStats.h>
namespace WebCore {
using namespace HTMLNames;
WTF_MAKE_ISO_ALLOCATED_IMPL(RenderTableRow);
RenderTableRow::RenderTableRow(Element& element, RenderStyle&& style)
: RenderBox(element, WTFMove(style), 0)
, m_rowIndex(unsetRowIndex)
{
setInline(false);
setIsTableRow();
}
RenderTableRow::RenderTableRow(Document& document, RenderStyle&& style)
: RenderBox(document, WTFMove(style), 0)
, m_rowIndex(unsetRowIndex)
{
setInline(false);
setIsTableRow();
}
void RenderTableRow::willBeRemovedFromTree(IsInternalMove isInternalMove)
{
RenderBox::willBeRemovedFromTree(isInternalMove);
section()->setNeedsCellRecalc();
}
static bool borderWidthChanged(const RenderStyle* oldStyle, const RenderStyle* newStyle)
{
return oldStyle->borderLeftWidth() != newStyle->borderLeftWidth()
|| oldStyle->borderTopWidth() != newStyle->borderTopWidth()
|| oldStyle->borderRightWidth() != newStyle->borderRightWidth()
|| oldStyle->borderBottomWidth() != newStyle->borderBottomWidth();
}
void RenderTableRow::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
ASSERT(style().display() == DisplayType::TableRow);
RenderBox::styleDidChange(diff, oldStyle);
propagateStyleToAnonymousChildren(PropagateToAllChildren);
if (section() && oldStyle && style().logicalHeight() != oldStyle->logicalHeight())
section()->rowLogicalHeightChanged(rowIndex());
// If border was changed, notify table.
if (RenderTable* table = this->table()) {
if (oldStyle && oldStyle->border() != style().border())
table->invalidateCollapsedBorders();
if (oldStyle && diff == StyleDifference::Layout && needsLayout() && table->collapseBorders() && borderWidthChanged(oldStyle, &style())) {
// If the border width changes on a row, we need to make sure the cells in the row know to lay out again.
// This only happens when borders are collapsed, since they end up affecting the border sides of the cell
// itself.
auto propagageNeedsLayoutOnBorderSizeChange = [&] (auto& row) {
for (auto* cell = row.firstCell(); cell; cell = cell->nextCell())
cell->setNeedsLayoutAndPrefWidthsRecalc();
};
propagageNeedsLayoutOnBorderSizeChange(*this);
if (auto* previousRow = this->previousRow())
propagageNeedsLayoutOnBorderSizeChange(*previousRow);
if (auto* nextRow = this->nextRow())
propagageNeedsLayoutOnBorderSizeChange(*nextRow);
}
}
}
const BorderValue& RenderTableRow::borderAdjoiningStartCell(const RenderTableCell& cell) const
{
ASSERT_UNUSED(cell, cell.isFirstOrLastCellInRow());
// FIXME: https://webkit.org/b/79272 - Add support for mixed directionality at the cell level.
return style().borderStart();
}
const BorderValue& RenderTableRow::borderAdjoiningEndCell(const RenderTableCell& cell) const
{
ASSERT_UNUSED(cell, cell.isFirstOrLastCellInRow());
// FIXME: https://webkit.org/b/79272 - Add support for mixed directionality at the cell level.
return style().borderEnd();
}
void RenderTableRow::didInsertTableCell(RenderTableCell& child, RenderObject* beforeChild)
{
// Generated content can result in us having a null section so make sure to null check our parent.
if (auto* section = this->section()) {
section->addCell(&child, this);
if (beforeChild || nextRow())
section->setNeedsCellRecalc();
}
if (auto* table = this->table())
table->invalidateCollapsedBorders();
}
void RenderTableRow::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
ASSERT(needsLayout());
// Table rows do not add translation.
LayoutStateMaintainer statePusher(*this, LayoutSize(), hasTransform() || hasReflection() || style().isFlippedBlocksWritingMode());
auto* layoutState = view().frameView().layoutContext().layoutState();
bool paginated = layoutState->isPaginated();
for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) {
if (!cell->needsLayout() && paginated && (layoutState->pageLogicalHeightChanged() || (layoutState->pageLogicalHeight() && layoutState->pageLogicalOffset(cell, cell->logicalTop()) != cell->pageLogicalOffset())))
cell->setChildNeedsLayout(MarkOnlyThis);
if (cell->needsLayout()) {
cell->computeAndSetBlockDirectionMargins(*table());
cell->layout();
}
}
clearOverflow();
addVisualEffectOverflow();
// We only ever need to repaint if our cells didn't, which menas that they didn't need
// layout, so we know that our bounds didn't change. This code is just making up for
// the fact that we did not repaint in setStyle() because we had a layout hint.
// We cannot call repaint() because our clippedOverflowRect() is taken from the
// parent table, and being mid-layout, that is invalid. Instead, we repaint our cells.
if (selfNeedsLayout() && checkForRepaintDuringLayout()) {
for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell())
cell->repaint();
}
// RenderTableSection::layoutRows will set our logical height and width later, so it calls updateLayerTransform().
clearNeedsLayout();
}
LayoutRect RenderTableRow::clippedOverflowRect(const RenderLayerModelObject* repaintContainer, VisibleRectContext context) const
{
ASSERT(parent());
// Rows and cells are in the same coordinate space. We need to both compute our overflow rect (which
// will accommodate a row outline and any visual effects on the row itself), but we also need to add in
// the repaint rects of cells.
LayoutRect result = RenderBox::clippedOverflowRect(repaintContainer, context);
for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) {
// Even if a cell is a repaint container, it's the row that paints the background behind it.
// So we don't care if a cell is a repaintContainer here.
result.uniteIfNonZero(cell->clippedOverflowRect(repaintContainer, context));
}
return result;
}
// Hit Testing
bool RenderTableRow::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
// Table rows cannot ever be hit tested. Effectively they do not exist.
// Just forward to our children always.
for (RenderTableCell* cell = lastCell(); cell; cell = cell->previousCell()) {
// FIXME: We have to skip over inline flows, since they can show up inside table rows
// at the moment (a demoted inline <form> for example). If we ever implement a
// table-specific hit-test method (which we should do for performance reasons anyway),
// then we can remove this check.
if (!cell->hasSelfPaintingLayer()) {
LayoutPoint cellPoint = flipForWritingModeForChild(*cell, accumulatedOffset);
if (cell->nodeAtPoint(request, result, locationInContainer, cellPoint, action)) {
updateHitTestResult(result, locationInContainer.point() - toLayoutSize(cellPoint));
return true;
}
}
}
return false;
}
void RenderTableRow::paintOutlineForRowIfNeeded(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
LayoutPoint adjustedPaintOffset = paintOffset + location();
PaintPhase paintPhase = paintInfo.phase;
if ((paintPhase == PaintPhase::Outline || paintPhase == PaintPhase::SelfOutline) && style().visibility() == Visibility::Visible)
paintOutline(paintInfo, LayoutRect(adjustedPaintOffset, size()));
}
void RenderTableRow::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(hasSelfPaintingLayer());
paintOutlineForRowIfNeeded(paintInfo, paintOffset);
for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) {
// Paint the row background behind the cell.
if (paintInfo.phase == PaintPhase::BlockBackground || paintInfo.phase == PaintPhase::ChildBlockBackground)
cell->paintBackgroundsBehindCell(paintInfo, paintOffset, this);
if (!cell->hasSelfPaintingLayer())
cell->paint(paintInfo, paintOffset);
}
}
void RenderTableRow::imageChanged(WrappedImagePtr, const IntRect*)
{
// FIXME: Examine cells and repaint only the rect the image paints in.
repaint();
}
RenderPtr<RenderTableRow> RenderTableRow::createTableRowWithStyle(Document& document, const RenderStyle& style)
{
auto row = createRenderer<RenderTableRow>(document, RenderStyle::createAnonymousStyleWithDisplay(style, DisplayType::TableRow));
row->initializeStyle();
return row;
}
RenderPtr<RenderTableRow> RenderTableRow::createAnonymousWithParentRenderer(const RenderTableSection& parent)
{
return RenderTableRow::createTableRowWithStyle(parent.document(), parent.style());
}
} // namespace WebCore