Build ChatListUI

submodules/LegacyComponents/Sources/TGViewController+TGRecursiveEnumeration.m

@@ -0,0 +1,65 @@
+#import "TGViewController+TGRecursiveEnumeration.h"
+
+@implementation UIViewController (TGRecursiveEnumeration)
+
+- (void)enumerateChildViewControllersRecursivelyWithBlock:(void (^)(UIViewController *))enumerationBlock
+{
+    if (enumerationBlock == nil)
+        return;
+    
+    enumerationBlock(self);
+    for (UIViewController *childViewController in self.childViewControllers)
+        [childViewController enumerateChildViewControllersRecursivelyWithBlock:enumerationBlock];
+}
+
+@end
+
+
+@implementation TGViewController (TGRecursiveEnumeration)
+
+- (void)enumerateChildViewControllersRecursivelyWithBlock:(void (^)(UIViewController *))enumerationBlock
+{
+    if (enumerationBlock == nil)
+        return;
+    
+    if (self.associatedWindowStack.count > 0)
+    {
+        for (UIWindow *window in self.associatedWindowStack)
+            [window.rootViewController enumerateChildViewControllersRecursivelyWithBlock:enumerationBlock];
+    }
+    
+    enumerationBlock(self);
+    for (UIViewController *childViewController in self.childViewControllers)
+        [childViewController enumerateChildViewControllersRecursivelyWithBlock:enumerationBlock];
+}
+
+@end
+
+
+@implementation UINavigationController (TGRecursiveEnumeration)
+
+- (void)enumerateChildViewControllersRecursivelyWithBlock:(void (^)(UIViewController *))enumerationBlock
+{
+    if (enumerationBlock == nil)
+        return;
+    
+    enumerationBlock(self);
+    [self.topViewController enumerateChildViewControllersRecursivelyWithBlock:enumerationBlock];
+}
+
+@end
+
+
+@implementation UITabBarController (TGRecursiveEnumeration)
+
+- (void)enumerateChildViewControllersRecursivelyWithBlock:(void (^)(UIViewController *))enumerationBlock
+{
+    if (enumerationBlock == nil)
+        return;
+    
+    enumerationBlock(self);
+    [self.selectedViewController enumerateChildViewControllersRecursivelyWithBlock:enumerationBlock];
+}
+
+@end
+