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/**
* 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 "PaintInfo.h"
#include "RenderTableCell.h"
#include "RenderView.h"
namespace WebCore {
using namespace HTMLNames;
RenderTableRow::RenderTableRow(Node* node)
: RenderBox(node)
{
// init RenderObject attributes
setInline(false); // our object is not Inline
}
void RenderTableRow::destroy()
{
RenderTableSection* recalcSection = section();
RenderBox::destroy();
if (recalcSection)
recalcSection->setNeedsCellRecalc();
}
void RenderTableRow::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
{
if (section() && style() && style()->logicalHeight() != newStyle->logicalHeight())
section()->setNeedsCellRecalc();
ASSERT(newStyle->display() == TABLE_ROW);
RenderBox::styleWillChange(diff, newStyle);
}
void RenderTableRow::updateBeforeAndAfterContent()
{
if (!isAnonymous() && document()->usesBeforeAfterRules()) {
children()->updateBeforeAfterContent(this, BEFORE);
children()->updateBeforeAfterContent(this, AFTER);
}
}
void RenderTableRow::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBox::styleDidChange(diff, oldStyle);
propagateStyleToAnonymousChildren();
if (parent())
updateBeforeAndAfterContent();
}
void RenderTableRow::addChild(RenderObject* child, RenderObject* beforeChild)
{
// Make sure we don't append things after :after-generated content if we have it.
if (!beforeChild && isAfterContent(lastChild()))
beforeChild = lastChild();
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 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 = new (renderArena()) RenderTableCell(document() /* anonymous object */);
RefPtr<RenderStyle> newStyle = RenderStyle::create();
newStyle->inheritFrom(style());
newStyle->setDisplay(TABLE_CELL);
cell->setStyle(newStyle.release());
addChild(cell, beforeChild);
cell->addChild(child);
return;
}
// If the next renderer is actually wrapped in an anonymous table cell, we need to go up and find that.
while (beforeChild && beforeChild->parent() != this)
beforeChild = beforeChild->parent();
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, IntSize(), 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->logicalTop()) != cell->pageLogicalOffset())
cell->setChildNeedsLayout(true, false);
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);
}
IntRect RenderTableRow::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
{
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 IntRect();
}
// Hit Testing
bool RenderTableRow::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, 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()) {
IntPoint cellPoint = flipForWritingMode(toRenderTableCell(child), IntPoint(tx, ty), ParentToChildFlippingAdjustment);
if (child->nodeAtPoint(request, result, x, y, cellPoint.x(), cellPoint.y(), action)) {
updateHitTestResult(result, IntPoint(x - cellPoint.x(), y - cellPoint.y()));
return true;
}
}
}
return false;
}
void RenderTableRow::paint(PaintInfo& paintInfo, int tx, int ty)
{
ASSERT(hasSelfPaintingLayer());
if (!layer())
return;
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, tx, ty, this);
}
if (!toRenderBox(child)->hasSelfPaintingLayer())
child->paint(paintInfo, tx, ty);
}
}
}
void RenderTableRow::imageChanged(WrappedImagePtr, const IntRect*)
{
// FIXME: Examine cells and repaint only the rect the image paints in.
repaint();
}
} // namespace WebCore
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