bool LayoutSVGInline::isChildAllowed(LayoutObject* child,
const ComputedStyle& style) const {
if (child->isText())
return SVGLayoutSupport::isLayoutableTextNode(child);
if (isSVGAElement(*node())) {
// Disallow direct descendant 'a'.
if (isSVGAElement(*child->node()))
return false;
}
if (!child->isSVGInline() && !child->isSVGInlineText())
return false;
return LayoutInline::isChildAllowed(child, style);
}
bool RenderSVGTransformableContainer::isChildAllowed(RenderObject* child, RenderStyle* style) const
{
ASSERT(element());
if (isSVGSwitchElement(*element())) {
Node* node = child->node();
// Reject non-SVG/non-valid elements.
if (!node->isSVGElement() || !toSVGElement(node)->isValid())
return false;
// Reject this child if it isn't the first valid node.
if (hasValidPredecessor(node))
return false;
} else if (isSVGAElement(*element())) {
// http://www.w3.org/2003/01/REC-SVG11-20030114-errata#linking-text-environment
// The 'a' element may contain any element that its parent may contain, except itself.
if (isSVGAElement(*child->node()))
return false;
if (parent() && parent()->isSVG())
return parent()->isChildAllowed(child, style);
}
return RenderSVGContainer::isChildAllowed(child, style);
}
bool SVGTSpanElement::rendererIsNeeded(const RenderStyle& style)
{
if (parentNode()
&& (isSVGAElement(*parentNode())
#if ENABLE(SVG_FONTS)
|| isSVGAltGlyphElement(*parentNode())
#endif
|| isSVGTextElement(*parentNode())
|| isSVGTextPathElement(*parentNode())
|| isSVGTSpanElement(*parentNode())))
return Element::rendererIsNeeded(style);
return false;
}
