void
InvalidateChildren(IWidget& wgt, const Rect& bounds)
{
Rect r(wgt.GetRenderer().CommitInvalidation(bounds));
for(auto pr(wgt.GetChildren()); pr.first != pr.second; ++pr.first)
{
auto& child(*pr.first);
InvalidateChildren(child, Rect(r - GetLocationOf(child)));
}
}
void nsOuterDocAccessible::CacheChildren()
{
// An outer doc accessible usually has 1 nsDocAccessible child,
// but could have none if we can't get to the inner documnet
if (!mWeakShell) {
mAccChildCount = eChildCountUninitialized;
return; // This outer doc node has been shut down
}
if (mAccChildCount != eChildCountUninitialized) {
return;
}
InvalidateChildren();
mAccChildCount = 0;
// In these variable names, "outer" relates to the nsOuterDocAccessible
// as opposed to the nsDocAccessibleWrap which is "inner".
// The outer node is a something like a <browser>, <frame>, <iframe>, <page> or
// <editor> tag, whereas the inner node corresponds to the inner document root.
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
NS_ASSERTION(content, "No nsIContent for <browser>/<iframe>/<editor> dom node");
nsCOMPtr<nsIDocument> outerDoc = content->GetDocument();
if (!outerDoc) {
return;
}
nsIDocument *innerDoc = outerDoc->GetSubDocumentFor(content);
nsCOMPtr<nsIDOMNode> innerNode(do_QueryInterface(innerDoc));
if (!innerNode) {
return;
}
nsCOMPtr<nsIAccessible> innerAccessible;
nsCOMPtr<nsIAccessibilityService> accService =
do_GetService("@mozilla.org/accessibilityService;1");
accService->GetAccessibleFor(innerNode, getter_AddRefs(innerAccessible));
nsRefPtr<nsAccessible> innerAcc(nsAccUtils::QueryAccessible(innerAccessible));
if (!innerAcc)
return;
// Success getting inner document as first child -- now we cache it.
mAccChildCount = 1;
SetFirstChild(innerAccessible); // weak ref
innerAcc->SetParent(this);
innerAcc->SetNextSibling(nsnull);
}
nsresult
nsApplicationAccessibleWrap::RemoveRootAccessible(nsIAccessible *aRootAccWrap)
{
NS_ENSURE_ARG_POINTER(aRootAccWrap);
PRUint32 index = 0;
nsresult rv = NS_ERROR_FAILURE;
// we must use weak ref to get the index
nsCOMPtr<nsIWeakReference> weakPtr = do_GetWeakReference(aRootAccWrap);
rv = mChildren->IndexOf(0, weakPtr, &index);
AtkObject *atkAccessible = nsAccessibleWrap::GetAtkObject(aRootAccWrap);
atk_object_set_parent(atkAccessible, NULL);
g_signal_emit_by_name(mAtkObject, "children_changed::remove", index,
atkAccessible, NULL);
#ifdef MAI_LOGGING
PRUint32 count = 0;
mChildren->GetLength(&count);
if (NS_SUCCEEDED(rv)) {
rv = mChildren->RemoveElementAt(index);
MAI_LOG_DEBUG(("\nRemove RootAcc=%p, count=%d\n",
(void*)aRootAccWrap, (count-1)));
}
else
MAI_LOG_DEBUG(("\nFail to Remove RootAcc=%p, count=%d\n",
(void*)aRootAccWrap, count));
#else
NS_ENSURE_SUCCESS(rv, rv);
rv = mChildren->RemoveElementAt(index);
#endif
InvalidateChildren();
return rv;
}
void
InvalidateAll(IWidget& wgt, const Rect& bounds)
{
InvalidateChildren(wgt, bounds);
Invalidate(wgt, bounds);
}
