NS_IMETHODIMP
nsHTTPIndex::Unassert(nsIRDFResource *aSource, nsIRDFResource *aProperty, nsIRDFNode *aTarget)
{
nsresult rv = NS_ERROR_UNEXPECTED;
if (mInner)
{
rv = mInner->Unassert(aSource, aProperty, aTarget);
}
return(rv);
}
/* void onCloseWindow (in nsIXULWindow window); */
NS_IMETHODIMP
nsWindowDataSource::OnCloseWindow(nsIXULWindow *window)
{
nsVoidKey key(window);
nsCOMPtr<nsIRDFResource> resource;
nsresult rv;
if (!mWindowResources.Remove(&key, getter_AddRefs(resource)))
return NS_ERROR_UNEXPECTED;
// make sure we're not shutting down
if (!mContainer) return NS_OK;
nsCOMPtr<nsIRDFNode> oldKeyNode;
nsCOMPtr<nsIRDFInt> oldKeyInt;
// get the old keyIndex, if any
rv = GetTarget(resource, kNC_KeyIndex, PR_TRUE,
getter_AddRefs(oldKeyNode));
if (NS_SUCCEEDED(rv) && (rv != NS_RDF_NO_VALUE))
oldKeyInt = do_QueryInterface(oldKeyNode);
// update RDF and keyindex - from this point forward we'll ignore
// errors, because they just indicate some kind of RDF inconsistency
PRInt32 winIndex = -1;
rv = mContainer->IndexOf(resource, &winIndex);
if (NS_FAILED(rv))
return NS_OK;
// unassert the old window, ignore any error
mContainer->RemoveElement(resource, PR_TRUE);
nsCOMPtr<nsISimpleEnumerator> children;
rv = mContainer->GetElements(getter_AddRefs(children));
if (NS_FAILED(rv))
return NS_OK;
PRBool more = PR_FALSE;
while (NS_SUCCEEDED(rv = children->HasMoreElements(&more)) && more) {
nsCOMPtr<nsISupports> sup;
rv = children->GetNext(getter_AddRefs(sup));
if (NS_FAILED(rv))
break;
nsCOMPtr<nsIRDFResource> windowResource = do_QueryInterface(sup, &rv);
if (NS_FAILED(rv))
continue;
PRInt32 currentIndex = -1;
mContainer->IndexOf(windowResource, ¤tIndex);
// can skip updating windows with lower indexes
// than the window that was removed
if (currentIndex < winIndex)
continue;
nsCOMPtr<nsIRDFNode> newKeyNode;
nsCOMPtr<nsIRDFInt> newKeyInt;
rv = GetTarget(windowResource, kNC_KeyIndex, PR_TRUE,
getter_AddRefs(newKeyNode));
if (NS_SUCCEEDED(rv) && (rv != NS_RDF_NO_VALUE))
newKeyInt = do_QueryInterface(newKeyNode);
// changing from one key index to another
if (oldKeyInt && newKeyInt)
Change(windowResource, kNC_KeyIndex, oldKeyInt, newKeyInt);
// creating a new keyindex - probably window going
// from (none) to "9"
else if (newKeyInt)
Assert(windowResource, kNC_KeyIndex, newKeyInt, PR_TRUE);
// somehow inserting a window above this one,
// "9" to (none)
else if (oldKeyInt)
Unassert(windowResource, kNC_KeyIndex, oldKeyInt);
}
return NS_OK;
}