nsXULTreeAccessible::nsXULTreeAccessible(nsIDOMNode *aDOMNode, nsIWeakReference *aShell):
nsXULSelectableAccessible(aDOMNode, aShell),
mAccessNodeCache(nsnull)
{
GetTreeBoxObject(aDOMNode, getter_AddRefs(mTree));
if (mTree)
mTree->GetView(getter_AddRefs(mTreeView));
NS_ASSERTION(mTree && mTreeView, "Can't get mTree or mTreeView!\n");
mAccessNodeCache = new nsInterfaceHashtable<nsVoidHashKey, nsIAccessNode>;
mAccessNodeCache->Init(kDefaultTreeCacheSize);
}
void
nsTreeColFrame::SetBounds(nsBoxLayoutState& aBoxLayoutState,
const nsRect& aRect,
bool aRemoveOverflowArea) {
nscoord oldWidth = mRect.width;
nsBoxFrame::SetBounds(aBoxLayoutState, aRect, aRemoveOverflowArea);
if (mRect.width != oldWidth) {
nsITreeBoxObject* treeBoxObject = GetTreeBoxObject();
if (treeBoxObject) {
treeBoxObject->Invalidate();
}
}
}
void
nsTreeColFrame::InvalidateColumns(bool aCanWalkFrameTree)
{
nsITreeBoxObject* treeBoxObject = GetTreeBoxObject();
if (treeBoxObject) {
nsCOMPtr<nsITreeColumns> columns;
if (aCanWalkFrameTree) {
treeBoxObject->GetColumns(getter_AddRefs(columns));
} else {
nsTreeBodyFrame* body = static_cast<nsTreeBoxObject*>(treeBoxObject)->GetCachedTreeBody();
if (body) {
body->GetColumns(getter_AddRefs(columns));
}
}
if (columns)
columns->InvalidateColumns();
}
}