void InsertionPoint::attach()
{
if (isShadowBoundary()) {
ShadowRoot* root = toShadowRoot(treeScope()->rootNode());
if (doesSelectFromHostChildren()) {
distributeHostChildren(root->tree());
attachDistributedNode();
} else if (!root->olderShadowRoot()->assignedTo()) {
ASSERT(!root->olderShadowRoot()->attached());
assignShadowRoot(root->olderShadowRoot());
root->olderShadowRoot()->attach();
}
}
HTMLElement::attach();
}
void InsertionPoint::detach()
{
if (ShadowRoot* root = toShadowRoot(shadowTreeRootNode())) {
ShadowTree* tree = root->tree();
if (doesSelectFromHostChildren())
clearDistribution(tree);
else if (ShadowRoot* assignedShadowRoot = assignedFrom())
clearAssignment(assignedShadowRoot);
// When shadow element is detached, shadow tree should be recreated to re-calculate selector for
// other insertion points.
tree->setNeedsReattachHostChildrenAndShadow();
}
ASSERT(m_selections.isEmpty());
HTMLElement::detach();
}
void InsertionPoint::detach()
{
ShadowRoot* root = shadowRoot();
if (root && isActive()) {
ElementShadow* shadow = root->owner();
if (doesSelectFromHostChildren())
clearDistribution(shadow);
else if (ShadowRoot* assignedShadowRoot = assignedFrom())
clearAssignment(assignedShadowRoot);
// When shadow element is detached, shadow tree should be recreated to re-calculate selector for
// other insertion points.
shadow->setNeedsRedistributing();
}
ASSERT(m_distribution.isEmpty());
HTMLElement::detach();
}