--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderTableRow.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,206 @@
+/**
+ * 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 Apple Computer, Inc.
+ *
+ * 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 "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()->height() != newStyle->height())
+ section()->setNeedsCellRecalc();
+
+ ASSERT(newStyle->display() == TABLE_ROW);
+
+ RenderBox::styleWillChange(diff, newStyle);
+}
+
+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->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()->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());
+
+ for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
+ if (child->isTableCell()) {
+ RenderTableCell* cell = toRenderTableCell(child);
+ if (child->needsLayout()) {
+ cell->calcVerticalMargins();
+ 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();
+ 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() && child->nodeAtPoint(request, result, x, y, tx, ty, action)) {
+ updateHitTestResult(result, IntPoint(x - tx, y - ty));
+ 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