blob: c9c9d7419b0c86ff7bd0ba81f458ed21b0f395aa [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 "CachedImage.h"
#include "Document.h"
#include "HTMLNames.h"
#include "HitTestResult.h"
#include "PaintInfo.h"
#include "RenderTableCell.h"
#include "RenderView.h"
#include "StyleInheritedData.h"
namespace WebCore {
using namespace HTMLNames;
RenderTableRow::RenderTableRow(Node* node)
: RenderBox(node)
, m_rowIndex(unsetRowIndex)
{
// init RenderObject attributes
setInline(false); // our object is not Inline
}
void RenderTableRow::willBeRemovedFromTree()
{
RenderBox::willBeRemovedFromTree();
section()->setNeedsCellRecalc();
}
void RenderTableRow::updateBeforeAndAfterContent()
{
if (!isAnonymous() && document()->usesBeforeAfterRules()) {
children()->updateBeforeAfterContent(this, BEFORE);
children()->updateBeforeAfterContent(this, AFTER);
}
}
void RenderTableRow::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
ASSERT(style()->display() == TABLE_ROW);
RenderBox::styleDidChange(diff, oldStyle);
propagateStyleToAnonymousChildren();
if (parent())
updateBeforeAndAfterContent();
if (section() && oldStyle && style()->logicalHeight() != oldStyle->logicalHeight())
section()->rowLogicalHeightChanged(rowIndex());
// If border was changed, notify table.
if (parent()) {
RenderTable* table = this->table();
if (table && !table->selfNeedsLayout() && !table->normalChildNeedsLayout() && oldStyle && oldStyle->border() != style()->border())
table->invalidateCollapsedBorders();
}
}
void RenderTableRow::addChild(RenderObject* child, RenderObject* beforeChild)
{
// Make sure we don't append things after :after-generated content if we have it.
if (!beforeChild)
beforeChild = afterPseudoElementRenderer();
if (!child->isTableCell()) {
RenderObject* last = beforeChild;
if (!last)
last = lastChild();
if (last && last->isAnonymous() && last->isTableCell() && !last->isBeforeOrAfterContent()) {
if (beforeChild == last)
beforeChild = last->firstChild();
last->addChild(child, beforeChild);
return;
}
if (beforeChild && !beforeChild->isAnonymous() && beforeChild->parent() == this) {
RenderObject* cell = beforeChild->previousSibling();
if (cell && cell->isTableCell() && cell->isAnonymous()) {
cell->addChild(child);
return;
}
}
// If beforeChild is inside an anonymous cell, insert into the cell.
if (last && !last->isTableCell() && last->parent() && last->parent()->isAnonymous() && !last->parent()->isBeforeOrAfterContent()) {
last->parent()->addChild(child, beforeChild);
return;
}
RenderTableCell* cell = RenderTableCell::createAnonymousWithParentRenderer(this);
addChild(cell, beforeChild);
cell->addChild(child);
return;
}
if (beforeChild && beforeChild->parent() != this)
beforeChild = splitAnonymousBoxesAroundChild(beforeChild);
RenderTableCell* cell = toRenderTableCell(child);
// Generated content can result in us having a null section so make sure to null check our parent.
if (parent())
section()->addCell(cell, this);
ASSERT(!beforeChild || beforeChild->isTableCell());
RenderBox::addChild(cell, beforeChild);
if (beforeChild || nextSibling())
section()->setNeedsCellRecalc();
}
void RenderTableRow::layout()
{
ASSERT(needsLayout());
// Table rows do not add translation.
LayoutStateMaintainer statePusher(view(), this, LayoutSize(), style()->isFlippedBlocksWritingMode());
bool paginated = view()->layoutState()->isPaginated();
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->isTableCell()) {
RenderTableCell* cell = toRenderTableCell(child);
if (!cell->needsLayout() && paginated && view()->layoutState()->pageLogicalHeight() && view()->layoutState()->pageLogicalOffset(cell, cell->logicalTop()) != cell->pageLogicalOffset())
cell->setChildNeedsLayout(true, MarkOnlyThis);
if (child->needsLayout()) {
cell->computeBlockDirectionMargins(table());
cell->layout();
}
}
}
// 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 clippedOverflowRectForRepaint() is taken from the
// parent table, and being mid-layout, that is invalid. Instead, we repaint our cells.
if (selfNeedsLayout() && checkForRepaintDuringLayout()) {
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->isTableCell())
child->repaint();
}
}
statePusher.pop();
// RenderTableSection::layoutRows will set our logical height and width later, so it calls updateLayerTransform().
setNeedsLayout(false);
}
LayoutRect RenderTableRow::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer) const
{
ASSERT(parent());
if (repaintContainer == this)
return RenderBox::clippedOverflowRectForRepaint(repaintContainer);
// For now, just repaint the whole table.
// FIXME: Find a better way to do this, e.g., need to repaint all the cells that we
// might have propagated a background color into.
// FIXME: do repaintContainer checks here
if (RenderTable* parentTable = table())
return parentTable->clippedOverflowRectForRepaint(repaintContainer);
return LayoutRect();
}
// Hit Testing
bool RenderTableRow::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestPoint& pointInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
// Table rows cannot ever be hit tested. Effectively they do not exist.
// Just forward to our children always.
for (RenderObject* child = lastChild(); child; child = child->previousSibling()) {
// 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 (child->isTableCell() && !toRenderBox(child)->hasSelfPaintingLayer()) {
LayoutPoint cellPoint = flipForWritingModeForChild(toRenderTableCell(child), accumulatedOffset);
if (child->nodeAtPoint(request, result, pointInContainer, cellPoint, action)) {
updateHitTestResult(result, pointInContainer.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 == PaintPhaseOutline || paintPhase == PaintPhaseSelfOutline) && style()->visibility() == VISIBLE)
paintOutline(paintInfo.context, LayoutRect(adjustedPaintOffset, size()));
}
void RenderTableRow::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(hasSelfPaintingLayer());
paintOutlineForRowIfNeeded(paintInfo, paintOffset);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->isTableCell()) {
// Paint the row background behind the cell.
if (paintInfo.phase == PaintPhaseBlockBackground || paintInfo.phase == PaintPhaseChildBlockBackground) {
RenderTableCell* cell = toRenderTableCell(child);
cell->paintBackgroundsBehindCell(paintInfo, paintOffset, this);
}
if (!toRenderBox(child)->hasSelfPaintingLayer())
child->paint(paintInfo, paintOffset);
}
}
}
void RenderTableRow::imageChanged(WrappedImagePtr, const IntRect*)
{
// FIXME: Examine cells and repaint only the rect the image paints in.
repaint();
}
RenderTableRow* RenderTableRow::createAnonymousWithParentRenderer(const RenderObject* parent)
{
RefPtr<RenderStyle> newStyle = RenderStyle::createAnonymousStyleWithDisplay(parent->style(), TABLE_ROW);
RenderTableRow* newRow = new (parent->renderArena()) RenderTableRow(parent->document() /* is anonymous */);
newRow->setStyle(newStyle.release());
return newRow;
}
} // namespace WebCore