void LayoutTableRow::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
{
ASSERT(style()->display() == TABLE_ROW);
LayoutBox::styleDidChange(diff, oldStyle);
propagateStyleToAnonymousChildren();
if (section() && oldStyle && style()->logicalHeight() != oldStyle->logicalHeight())
section()->rowLogicalHeightChanged(this);
// If border was changed, notify table.
if (parent()) {
LayoutTable* table = this->table();
if (table && !table->selfNeedsLayout() && !table->normalChildNeedsLayout() && oldStyle && oldStyle->border() != style()->border())
table->invalidateCollapsedBorders();
if (table && oldStyle && diff.needsFullLayout() && 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 (LayoutBox* childBox = firstChildBox(); childBox; childBox = childBox->nextSiblingBox()) {
if (!childBox->isTableCell())
continue;
childBox->setChildNeedsLayout();
}
}
}
}
void LayoutTableCol::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
{
LayoutBox::styleDidChange(diff, oldStyle);
// If border was changed, notify table.
if (parent()) {
LayoutTable* table = this->table();
if (table && !table->selfNeedsLayout() && !table->normalChildNeedsLayout() && oldStyle && oldStyle->border() != style()->border()) {
table->invalidateCollapsedBorders();
} else if (oldStyle && oldStyle->logicalWidth() != style()->logicalWidth()) {
// FIXME : setPreferredLogicalWidthsDirty is done for all cells as of now.
// Need to find a better way so that only the cells which are changed by
// the col width should have preferred logical widths recomputed.
for (LayoutObject* child = table->children()->firstChild(); child; child = child->nextSibling()) {
if (!child->isTableSection())
continue;
LayoutTableSection* section = toLayoutTableSection(child);
for (LayoutTableRow* row = section->firstRow(); row; row = row->nextRow()) {
for (LayoutTableCell* cell = row->firstCell(); cell; cell = cell->nextCell())
cell->setPreferredLogicalWidthsDirty();
}
}
}
}
}
void LayoutTableRow::styleDidChange(StyleDifference diff,
const ComputedStyle* oldStyle) {
DCHECK_EQ(style()->display(), EDisplay::TableRow);
LayoutTableBoxComponent::styleDidChange(diff, oldStyle);
propagateStyleToAnonymousChildren();
if (!oldStyle)
return;
if (section() && style()->logicalHeight() != oldStyle->logicalHeight())
section()->rowLogicalHeightChanged(this);
if (!parent())
return;
LayoutTable* table = this->table();
if (!table)
return;
if (!table->selfNeedsLayout() && !table->normalChildNeedsLayout() &&
oldStyle->border() != style()->border())
table->invalidateCollapsedBorders();
if (LayoutTableBoxComponent::doCellsHaveDirtyWidth(*this, *table, diff,
*oldStyle)) {
// 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 (LayoutBox* childBox = firstChildBox(); childBox;
childBox = childBox->nextSiblingBox()) {
if (!childBox->isTableCell())
continue;
// TODO(dgrogan) Add a layout test showing that setChildNeedsLayout is
// needed instead of setNeedsLayout.
childBox->setChildNeedsLayout();
childBox->setPreferredLogicalWidthsDirty(MarkOnlyThis);
}
// Most table componenents can rely on LayoutObject::styleDidChange
// to mark the container chain dirty. But LayoutTableSection seems
// to never clear its dirty bit, which stops the propagation. So
// anything under LayoutTableSection has to restart the propagation
// at the table.
// TODO(dgrogan): Make LayoutTableSection clear its dirty bit.
table->setPreferredLogicalWidthsDirty();
}
}
