void RenderTableRow::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
ASSERT(style()->display() == TABLE_ROW);
RenderBox::styleDidChange(diff, oldStyle);
propagateStyleToAnonymousChildren();
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();
if (table && 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 (RenderBox* childBox = firstChildBox(); childBox; childBox = childBox->nextSiblingBox()) {
if (!childBox->isTableCell())
continue;
childBox->setChildNeedsLayout(true, MarkOnlyThis);
}
}
}
}
void RenderBox_setStyle(RenderBox *thisin, RenderStyle *_style)
{
RenderBox *this = thisin;
bool oldpos, tmp;
EPosition tmppo;
tmp = this->m_positioned;
oldpos = tmp;
RenderObject_setStyle(this, _style);
tmppo = _style->noninherited_flags.x.f._position;
switch(tmppo)
{
case ABSOLUTE:
case FIXED:
{
bool ltrue = true;
this->m_positioned = ltrue;
break;
}
default:
{
EFloat tmpf;
EPosition tmpp;
if (oldpos)
{
bool ltrue = true;
this->m_positioned = ltrue;
removeFromSpecialObjects(this);
}
{
bool lfalse = false;
this->m_positioned = lfalse;
}
tmpf = _style->noninherited_flags.x.f._floating;
if(!this->isTableCell (this) && !(tmpf == FNONE))
{
bool ltrue = true;
this->m_floating = ltrue;
}
else
{
tmpp = _style->noninherited_flags.x.f._position;
if (tmpp == RELATIVE)
{
bool ltrue = true;
this->m_relPositioned = ltrue;
}
}
}
}
}
static bool isDeletableElement(const Node* node)
{
if (!node || !node->isHTMLElement() || !node->inDocument() || !node->rendererIsEditable())
return false;
// In general we want to only draw the UI around object of a certain area, but we still keep the min width/height to
// make sure we don't end up with very thin or very short elements getting the UI.
const int minimumArea = 2500;
const int minimumWidth = 48;
const int minimumHeight = 16;
const unsigned minimumVisibleBorders = 1;
RenderObject* renderer = node->renderer();
if (!renderer || !renderer->isBox())
return false;
// Disallow the body element since it isn't practical to delete, and the deletion UI would be clipped.
if (node->hasTagName(bodyTag))
return false;
// Disallow elements with any overflow clip, since the deletion UI would be clipped as well. <rdar://problem/6840161>
if (renderer->hasOverflowClip())
return false;
// Disallow Mail blockquotes since the deletion UI would get in the way of editing for these.
if (isMailBlockquote(node))
return false;
RenderBox* box = toRenderBox(renderer);
IntRect borderBoundingBox = box->borderBoundingBox();
if (borderBoundingBox.width() < minimumWidth || borderBoundingBox.height() < minimumHeight)
return false;
if ((borderBoundingBox.width() * borderBoundingBox.height()) < minimumArea)
return false;
if (box->isTable())
return true;
if (node->hasTagName(ulTag) || node->hasTagName(olTag) || node->hasTagName(iframeTag))
return true;
if (box->isOutOfFlowPositioned())
return true;
if (box->isRenderBlock() && !box->isTableCell()) {
const RenderStyle& style = box->style();
// Allow blocks that have background images
if (style.hasBackgroundImage()) {
for (const FillLayer* background = style.backgroundLayers(); background; background = background->next()) {
if (background->image() && background->image()->canRender(box, 1))
return true;
}
}
// Allow blocks with a minimum number of non-transparent borders
unsigned visibleBorders = style.borderTop().isVisible() + style.borderBottom().isVisible() + style.borderLeft().isVisible() + style.borderRight().isVisible();
if (visibleBorders >= minimumVisibleBorders)
return true;
// Allow blocks that have a different background from it's parent
ContainerNode* parentNode = node->parentNode();
if (!parentNode)
return false;
RenderObject* parentRenderer = parentNode->renderer();
if (!parentRenderer)
return false;
const RenderStyle& parentStyle = parentRenderer->style();
if (box->hasBackground() && (!parentRenderer->hasBackground() || style.visitedDependentColor(CSSPropertyBackgroundColor) != parentStyle.visitedDependentColor(CSSPropertyBackgroundColor)))
return true;
}
return false;
}