void GraphicsLayerChromium::updateChildList()
{
Vector<WebLayer> newChildren;
if (!m_transformLayer.isNull()) {
// Add the primary layer first. Even if we have negative z-order children, the primary layer always comes behind.
newChildren.append(m_layer);
} else if (!m_contentsLayer.isNull()) {
// FIXME: add the contents layer in the correct order with negative z-order children.
// This does not cause visible rendering issues because currently contents layers are only used
// for replaced elements that don't have children.
newChildren.append(m_contentsLayer);
}
const Vector<GraphicsLayer*>& childLayers = children();
size_t numChildren = childLayers.size();
for (size_t i = 0; i < numChildren; ++i) {
GraphicsLayerChromium* curChild = static_cast<GraphicsLayerChromium*>(childLayers[i]);
newChildren.append(curChild->layerForParent());
}
if (m_linkHighlight)
newChildren.append(m_linkHighlight->contentLayer());
for (size_t i = 0; i < newChildren.size(); ++i)
newChildren[i].removeFromParent();
WebVector<WebLayer> newWebChildren;
newWebChildren.assign(newChildren.data(), newChildren.size());
if (!m_transformLayer.isNull()) {
m_transformLayer.setChildren(newWebChildren);
if (!m_contentsLayer.isNull()) {
// If we have a transform layer, then the contents layer is parented in the
// primary layer (which is itself a child of the transform layer).
m_layer.removeAllChildren();
m_layer.addChild(m_contentsLayer);
}
} else
m_layer.setChildren(newWebChildren);
}
