Find the first icon list view with an empty spot

gistfile1.xm

static SBIconListView *MTGetFirstAvailableIconListView()
{
	SBRootFolderController *rootFolderController = [[%c(SBIconController) sharedInstance] _rootFolderController];
	SBRootFolderView *rootFolderView = [rootFolderController contentView];

	// Attempt to find a model that has an available spot.
	for (SBIconListView *view in [rootFolderView iconListViews]) {
		if (![[view model] isFull]) {
			return view;
		}
	}

	// We couldn't find any available icon list views, therefore we will add a new one.
	SBRootFolder *rootFolder = [rootFolderController folder];
	SBIconListModel *emptyModel = [rootFolder addEmptyList];
	if (!emptyModel) {
		return nil;
	}

	SBIconListView *iconListView = [rootFolderView iconListViewAtIndex:[rootFolder indexOfList:emptyModel]];

	return iconListView;
}