internal void Add(DomMutation mut, DomNode node, DomNode prev, DomNode next)
{
if (_stack.Count > 0)
{
_stack.Peek().Add(mut, node, prev, next);
return;
}
_owner.OwnerDocumentOrSelf.ChildNodesChanged(mut, _owner, new [] { node }, prev, next);
}
internal static DomMutationEvent Create(DomMutation mutation, DomNode target, IEnumerable <DomNode> nodes, DomNode previous, DomNode next)
{
if (mutation == DomMutation.Add)
{
return(Added(target, nodes, previous, next));
}
else
{
return(Removed(target, nodes, previous, next));
}
}
internal void ChildNodesChanged(DomMutation mutation, DomNode target, DomNode[] nodes, DomNode prev, DomNode next)
{
DomEvent evt = null;
foreach (var o in GetObservers(DomObserverEventScope.ChildNodes, target))
{
if (evt == null)
{
evt = DomMutationEvent.Create(mutation, target, nodes, prev, next);
}
o.OnNext(evt);
}
}
internal void Add(DomMutation mut, DomNode node, DomNode prev, DomNode next)
{
if (_current == null)
{
// This is the first insertion, so track the initial state
_current = node;
_previous = prev;
_next = next;
_mutation = mut;
}
else if (mut == _mutation && prev == _current)
{
// An adjacent insertion in the forward direction
_current = node;
}
else
{
_owner.PopRecord();
}
}
internal void ChildNodeChanged(DomMutation mut, DomNode node, DomNode prev, DomNode next)
{
_batch.Add(mut, node, prev, next);
}
