Move some of our clearly shared code into CyteKit.

1 files changed, 13 insertions, 0 deletions

diff --git a/CyteKit/TabBarController.mm b/CyteKit/TabBarController.mm
index 7a4ead3..35a2bd0 100644
--- a/CyteKit/TabBarController.mm
+++ b/CyteKit/TabBarController.mm
@@ -35,6 +35,19 @@
     _H<UIViewController> remembered_;
 }
 
+- (NSArray *) navigationURLCollection {
+    NSMutableArray *items([NSMutableArray array]);
+
+    // XXX: Should this deal with transient view controllers?
+    for (id navigation in [self viewControllers]) {
+        NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
+        if (stack != nil)
+            [items addObject:stack];
+    }
+
+    return items;
+}
+
 - (void) didReceiveMemoryWarning {
     [super didReceiveMemoryWarning];