static void collectTargetNodes(Node* node, NodeVector& nodes)
{
if (node->nodeType() != Node::DOCUMENT_FRAGMENT_NODE) {
nodes.append(node);
return;
}
getChildNodes(node, nodes);
}
void notifyNodeInsertedIntoDocument(ContainerNode& insertionPoint, Node& node, NodeVector& postInsertionNotificationTargets)
{
ASSERT(insertionPoint.inDocument());
if (node.insertedInto(insertionPoint) == Node::InsertionShouldCallFinishedInsertingSubtree)
postInsertionNotificationTargets.append(node);
if (is<ContainerNode>(node))
notifyDescendantInsertedIntoDocument(insertionPoint, downcast<ContainerNode>(node), postInsertionNotificationTargets);
}
void notifyNodeInsertedIntoTree(ContainerNode& insertionPoint, ContainerNode& node, NodeVector& postInsertionNotificationTargets)
{
NoEventDispatchAssertion assertNoEventDispatch;
ASSERT(!insertionPoint.inDocument());
if (node.insertedInto(insertionPoint) == Node::InsertionShouldCallFinishedInsertingSubtree)
postInsertionNotificationTargets.append(node);
notifyDescendantInsertedIntoTree(insertionPoint, node, postInsertionNotificationTargets);
}
static void collectChildrenAndRemoveFromOldParent(Node* node, NodeVector& nodes, ExceptionCode& ec)
{
if (node->nodeType() != Node::DOCUMENT_FRAGMENT_NODE) {
nodes.append(node);
if (ContainerNode* oldParent = node->parentNode())
oldParent->removeChild(node, ec);
return;
}
getChildNodes(node, nodes);
toContainerNode(node)->removeChildren();
}
static void collectChildrenAndRemoveFromOldParent(Node& node, NodeVector& nodes, ExceptionCode& ec)
{
if (!node.isDocumentFragment()) {
nodes.append(node);
if (ContainerNode* oldParent = node.parentNode())
oldParent->removeChild(&node, ec);
return;
}
getChildNodes(node, nodes);
toContainerNode(node).removeChildren();
}
// this differs from other remove functions because it forcibly removes all the children,
// regardless of read-only status or event exceptions, e.g.
void ContainerNode::removeChildren()
{
if (!m_firstChild)
return;
// The container node can be removed from event handlers.
RefPtr<ContainerNode> protect(this);
// Exclude this node when looking for the focused or full screen Node since
// only children will be removed.
// FIXME: We should call these inside the loop below. Right now you can focus
// a node with mutation events and it'll never get blured.
document()->removeFocusedNodeOfSubtree(this, true);
document()->removeFullScreenElementOfSubtree(this, true);
ChildListMutationScope mutation(this);
NodeVector removedChildren;
{
WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
while (RefPtr<Node> child = m_firstChild) {
// Dispatch synchronous events like mutation and unload events.
dispatchChildRemovalEvents(child.get());
ChildFrameDisconnector(child.get()).disconnect();
// FIXME: In theory this can fire focus events when the selection
// changes, but there's no obvious way to test it.
document()->nodeWillBeRemoved(child.get());
// If an event moved the child start over.
if (child != m_firstChild)
continue;
mutation.willRemoveChild(child.get());
child->notifyMutationObserversNodeWillDetach();
removeBetween(0, child->nextSibling(), child.get());
removedChildren.append(child.release());
}
// FIXME: We could avoid walking all the children twice by calling
// notify inside the loop and childrenChanged after but that would mean
// calling childrenChanged in a different order than all other methods.
// Figure out if this is safe.
childrenChanged(false, 0, 0, -static_cast<int>(removedChildren.size()));
for (size_t i = 0; i < removedChildren.size(); ++i)
ChildNodeRemovalNotifier(this).notify(removedChildren[i].get());
}
dispatchSubtreeModifiedEvent();
}
// this differs from other remove functions because it forcibly removes all the children,
// regardless of read-only status or event exceptions, e.g.
void ContainerNode::removeChildren()
{
if (!m_firstChild)
return;
// The container node can be removed from event handlers.
Ref<ContainerNode> protect(*this);
// exclude this node when looking for removed focusedNode since only children will be removed
document().removeFocusedNodeOfSubtree(this, true);
#if ENABLE(FULLSCREEN_API)
document().removeFullScreenElementOfSubtree(this, true);
#endif
// Do any prep work needed before actually starting to detach
// and remove... e.g. stop loading frames, fire unload events.
willRemoveChildren(*this);
NodeVector removedChildren;
{
WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
{
NoEventDispatchAssertion assertNoEventDispatch;
removedChildren.reserveInitialCapacity(countChildNodes());
while (RefPtr<Node> n = m_firstChild) {
removedChildren.append(*m_firstChild);
removeBetween(0, m_firstChild->nextSibling(), *m_firstChild);
}
}
ChildChange change = { AllChildrenRemoved, nullptr, nullptr, ChildChangeSourceAPI };
childrenChanged(change);
for (size_t i = 0; i < removedChildren.size(); ++i)
ChildNodeRemovalNotifier(*this).notify(removedChildren[i].get());
}
if (document().svgExtensions()) {
Element* shadowHost = this->shadowHost();
if (!shadowHost || !shadowHost->hasTagName(SVGNames::useTag))
document().accessSVGExtensions()->rebuildElements();
}
dispatchSubtreeModifiedEvent();
}
// this differs from other remove functions because it forcibly removes all the children,
// regardless of read-only status or event exceptions, e.g.
void ContainerNode::removeChildren()
{
if (!m_firstChild)
return;
// The container node can be removed from event handlers.
RefPtr<ContainerNode> protect(this);
// exclude this node when looking for removed focusedNode since only children will be removed
document().removeFocusedNodeOfSubtree(this, true);
#if ENABLE(FULLSCREEN_API)
document().removeFullScreenElementOfSubtree(this, true);
#endif
// Do any prep work needed before actually starting to detach
// and remove... e.g. stop loading frames, fire unload events.
willRemoveChildren(protect.get());
NodeVector removedChildren;
{
WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
{
NoEventDispatchAssertion assertNoEventDispatch;
removedChildren.reserveInitialCapacity(childNodeCount());
while (RefPtr<Node> n = m_firstChild) {
removedChildren.append(m_firstChild);
removeBetween(0, m_firstChild->nextSibling(), m_firstChild);
}
}
childrenChanged(false, 0, 0, -static_cast<int>(removedChildren.size()));
for (size_t i = 0; i < removedChildren.size(); ++i)
ChildNodeRemovalNotifier(this).notify(removedChildren[i].get());
}
dispatchSubtreeModifiedEvent();
}
