| /** |
| * 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 "RenderTableCell.h" |
| #include "RenderView.h" |
| #include "StyleInheritedData.h" |
| #include <wtf/StackStats.h> |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| RenderTableRow::RenderTableRow(Element& element, RenderStyle&& style) |
| : RenderBox(element, WTFMove(style), 0) |
| , m_rowIndex(unsetRowIndex) |
| { |
| setInline(false); |
| } |
| |
| RenderTableRow::RenderTableRow(Document& document, RenderStyle&& style) |
| : RenderBox(document, WTFMove(style), 0) |
| , m_rowIndex(unsetRowIndex) |
| { |
| setInline(false); |
| } |
| |
| void RenderTableRow::willBeRemovedFromTree() |
| { |
| RenderBox::willBeRemovedFromTree(); |
| |
| 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() == TABLE_ROW); |
| |
| 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 == StyleDifferenceLayout && 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. |
| for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) |
| cell->setChildNeedsLayout(MarkOnlyThis); |
| } |
| } |
| } |
| |
| 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::addChild(RenderObject* child, RenderObject* beforeChild) |
| { |
| if (!is<RenderTableCell>(*child)) { |
| RenderObject* last = beforeChild; |
| if (!last) |
| last = lastCell(); |
| if (last && last->isAnonymous() && is<RenderTableCell>(*last) && !last->isBeforeOrAfterContent()) { |
| RenderTableCell& cell = downcast<RenderTableCell>(*last); |
| if (beforeChild == &cell) |
| beforeChild = cell.firstChild(); |
| cell.addChild(child, beforeChild); |
| return; |
| } |
| |
| if (beforeChild && !beforeChild->isAnonymous() && beforeChild->parent() == this) { |
| RenderObject* cell = beforeChild->previousSibling(); |
| if (is<RenderTableCell>(cell) && cell->isAnonymous()) { |
| downcast<RenderTableCell>(*cell).addChild(child); |
| return; |
| } |
| } |
| |
| // Try to find an anonymous container for the child. |
| if (last && last->parent() && last->parent()->isAnonymous() && !last->parent()->isBeforeOrAfterContent()) { |
| // If beforeChild is inside an anonymous cell, insert into the cell. |
| if (!is<RenderTableCell>(*last)) { |
| last->parent()->addChild(child, beforeChild); |
| return; |
| } |
| // If beforeChild is inside an anonymous row, insert into the row. |
| auto& parent = *last->parent(); |
| if (is<RenderTableRow>(parent)) { |
| auto* cell = RenderTableCell::createAnonymousWithParentRenderer(*this).release(); |
| parent.addChild(cell, beforeChild); |
| cell->addChild(child); |
| return; |
| } |
| } |
| auto* cell = RenderTableCell::createAnonymousWithParentRenderer(*this).release(); |
| addChild(cell, beforeChild); |
| cell->addChild(child); |
| return; |
| } |
| |
| if (beforeChild && beforeChild->parent() != this) |
| beforeChild = splitAnonymousBoxesAroundChild(beforeChild); |
| |
| RenderTableCell& cell = downcast<RenderTableCell>(*child); |
| |
| // Generated content can result in us having a null section so make sure to null check our parent. |
| if (RenderTableSection* section = this->section()) |
| section->addCell(&cell, this); |
| |
| ASSERT(!beforeChild || is<RenderTableCell>(*beforeChild)); |
| RenderBox::addChild(&cell, beforeChild); |
| |
| if (beforeChild || nextRow()) |
| section()->setNeedsCellRecalc(); |
| if (RenderTable* table = this->table()) |
| table->invalidateCollapsedBorders(); |
| } |
| |
| void RenderTableRow::layout() |
| { |
| StackStats::LayoutCheckPoint layoutCheckPoint; |
| ASSERT(needsLayout()); |
| |
| // Table rows do not add translation. |
| LayoutStateMaintainer statePusher(view(), *this, LayoutSize(), hasTransform() || hasReflection() || style().isFlippedBlocksWritingMode()); |
| |
| bool paginated = view().layoutState()->isPaginated(); |
| |
| for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell()) { |
| if (!cell->needsLayout() && paginated && (view().layoutState()->pageLogicalHeightChanged() || (view().layoutState()->pageLogicalHeight() && view().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 clippedOverflowRectForRepaint() 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(); |
| } |
| |
| statePusher.pop(); |
| // RenderTableSection::layoutRows will set our logical height and width later, so it calls updateLayerTransform(). |
| clearNeedsLayout(); |
| } |
| |
| LayoutRect RenderTableRow::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) 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::clippedOverflowRectForRepaint(repaintContainer); |
| 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->clippedOverflowRectForRepaint(repaintContainer)); |
| } |
| 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 == PaintPhaseOutline || paintPhase == PaintPhaseSelfOutline) && style().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 == PaintPhaseBlockBackground || paintInfo.phase == PaintPhaseChildBlockBackground) |
| 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(); |
| } |
| |
| std::unique_ptr<RenderTableRow> RenderTableRow::createTableRowWithStyle(Document& document, const RenderStyle& style) |
| { |
| auto row = std::make_unique<RenderTableRow>(document, RenderStyle::createAnonymousStyleWithDisplay(style, TABLE_ROW)); |
| row->initializeStyle(); |
| return row; |
| } |
| |
| std::unique_ptr<RenderTableRow> RenderTableRow::createAnonymousWithParentRenderer(const RenderTableSection& parent) |
| { |
| return RenderTableRow::createTableRowWithStyle(parent.document(), parent.style()); |
| } |
| |
| void RenderTableRow::destroyAndCollapseAnonymousSiblingRows() |
| { |
| auto collapseAnonymousSiblingRows = [&] { |
| auto* section = this->section(); |
| if (!section) |
| return; |
| |
| // All siblings generated? |
| for (auto* current = section->firstRow(); current; current = current->nextRow()) { |
| if (current == this) |
| continue; |
| if (!current->isAnonymous()) |
| return; |
| } |
| |
| RenderTableRow* rowToInsertInto = nullptr; |
| auto* currentRow = section->firstRow(); |
| while (currentRow) { |
| if (currentRow == this) { |
| currentRow = currentRow->nextRow(); |
| continue; |
| } |
| if (!rowToInsertInto) { |
| rowToInsertInto = currentRow; |
| currentRow = currentRow->nextRow(); |
| continue; |
| } |
| currentRow->moveAllChildrenTo(rowToInsertInto); |
| auto* destroyThis = currentRow; |
| currentRow = currentRow->nextRow(); |
| destroyThis->destroy(); |
| } |
| if (rowToInsertInto) |
| rowToInsertInto->setNeedsLayout(); |
| }; |
| |
| collapseAnonymousSiblingRows(); |
| destroy(); |
| } |
| |
| } // namespace WebCore |
