no message

Display/ListView.swift

@@ -555,9 +555,11 @@ open class ListView: ASDisplayNode, UIScrollViewDelegate, UIGestureRecognizerDel
             topItemEdge = itemNodes[0].apparentFrame.origin.y
         }
         
+        var bottomItemNode: ListViewItemNode?
         for i in (0 ..< self.itemNodes.count).reversed() {
             if let index = itemNodes[i].index {
                 if index == self.items.count - 1 {
+                    bottomItemNode = itemNodes[i]
                     bottomItemFound = true
                 }
                 break
@@ -622,16 +624,16 @@ open class ListView: ASDisplayNode, UIScrollViewDelegate, UIGestureRecognizerDel
             }
             
             if visibleAreaHeight > completeHeight {
-                if let itemNode = self.itemNodes.last, itemNode.wantsTrailingItemSpaceUpdates {
+                if let itemNode = bottomItemNode, itemNode.wantsTrailingItemSpaceUpdates {
                     itemNode.updateTrailingItemSpace(visibleAreaHeight - completeHeight, transition: transition)
                 }
             } else {
-                if let itemNode = self.itemNodes.last, itemNode.wantsTrailingItemSpaceUpdates {
+                if let itemNode = bottomItemNode, itemNode.wantsTrailingItemSpaceUpdates {
                     itemNode.updateTrailingItemSpace(0.0, transition: transition)
                 }
             }
         } else {
-            if let itemNode = self.itemNodes.last, itemNode.wantsTrailingItemSpaceUpdates {
+            if let itemNode = bottomItemNode, itemNode.wantsTrailingItemSpaceUpdates {
                 itemNode.updateTrailingItemSpace(0.0, transition: transition)
             }
             if topItemFound {

Display/NavigationController.swift

@@ -4,9 +4,18 @@ import AsyncDisplayKit
 import SwiftSignalKit
 
 private class NavigationControllerView: UIView {
+    var inTransition = false
+    
     override class var layerClass: AnyClass {
         return CATracingLayer.self
     }
+    
+    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
+        if self.bounds.contains(point) && self.inTransition {
+            return self
+        }
+        return super.hitTest(point, with: event)
+    }
 }
 
 open class NavigationController: NavigationControllerProxy, ContainableController, UIGestureRecognizerDelegate {
@@ -68,14 +77,6 @@ open class NavigationController: NavigationControllerProxy, ContainableControlle
         
         let containedLayout = ContainerViewLayout(size: layout.size, intrinsicInsets: layout.intrinsicInsets, statusBarHeight: layout.statusBarHeight, inputHeight: layout.inputHeight)
         
-        /*for controller in self.viewControllers {
-            if let controller = controller as? ContainableController {
-                controller.containerLayoutUpdated(containedLayout, transition: transition) 
-            } else {
-                controller.viewWillTransition(to: layout.size, with: SystemContainedControllerTransitionCoordinator())
-            }
-        }*/
-        
         if let topViewController = self.topViewController {
             if let topViewController = topViewController as? ContainableController {
                 topViewController.containerLayoutUpdated(containedLayout, transition: transition)
@@ -138,7 +139,9 @@ open class NavigationController: NavigationControllerProxy, ContainableControlle
                     let velocity = recognizer.velocity(in: self.view).x
                     
                     if velocity > 1000 || navigationTransitionCoordinator.progress > 0.2 {
+                        (self.view as! NavigationControllerView).inTransition = true
                         navigationTransitionCoordinator.animateCompletion(velocity, completion: {
+                            (self.view as! NavigationControllerView).inTransition = false
                             self.navigationTransitionCoordinator = nil
                             
                             //self._navigationBar.endInteractivePopProgress()
@@ -167,7 +170,9 @@ open class NavigationController: NavigationControllerProxy, ContainableControlle
                             bottomController.viewWillDisappear(true)
                         }
                         
+                        (self.view as! NavigationControllerView).inTransition = true
                         navigationTransitionCoordinator.animateCancel({
+                            (self.view as! NavigationControllerView).inTransition = false
                             self.navigationTransitionCoordinator = nil
                             
                             //self._navigationBar.endInteractivePopProgress()
@@ -192,7 +197,9 @@ open class NavigationController: NavigationControllerProxy, ContainableControlle
                         bottomController.viewWillDisappear(true)
                     }
                     
+                    (self.view as! NavigationControllerView).inTransition = true
                     navigationTransitionCoordinator.animateCancel({
+                        (self.view as! NavigationControllerView).inTransition = false
                         self.navigationTransitionCoordinator = nil
                         
                         if self.viewControllers.count >= 2 && self.navigationTransitionCoordinator == nil {
@@ -336,8 +343,10 @@ open class NavigationController: NavigationControllerProxy, ContainableControlle
                 let navigationTransitionCoordinator = NavigationTransitionCoordinator(transition: .Pop, container: self.view, topView: topView, topNavigationBar: (topController as? ViewController)?.navigationBar, bottomView: bottomView, bottomNavigationBar: (bottomController as? ViewController)?.navigationBar)
                 self.navigationTransitionCoordinator = navigationTransitionCoordinator
                 
+                (self.view as! NavigationControllerView).inTransition = true
                 navigationTransitionCoordinator.animateCompletion(0.0, completion: { [weak self] in
                     if let strongSelf = self {
+                        (strongSelf.view as! NavigationControllerView).inTransition = false
                         strongSelf.navigationTransitionCoordinator = nil
                         
                         topController.setIgnoreAppearanceMethodInvocations(true)
@@ -370,8 +379,10 @@ open class NavigationController: NavigationControllerProxy, ContainableControlle
                 
                 topView.isUserInteractionEnabled = false
                 
+                (self.view as! NavigationControllerView).inTransition = true
                 navigationTransitionCoordinator.animateCompletion(0.0, completion: { [weak self] in
                     if let strongSelf = self {
+                        (strongSelf.view as! NavigationControllerView).inTransition = false
                         strongSelf.navigationTransitionCoordinator = nil
                         
                         topController.setIgnoreAppearanceMethodInvocations(true)

Display/TabBarController.swift

@@ -1,6 +1,7 @@
 import Foundation
 import UIKit
 import AsyncDisplayKit
+import SwiftSignalKit
 
 open class TabBarController: ViewController {
     private var containerLayout = ContainerViewLayout()
@@ -41,6 +42,8 @@ open class TabBarController: ViewController {
     
     var currentController: ViewController?
     
+    private let pendingControllerDisposable = MetaDisposable()
+    
     override public init(navigationBar: NavigationBar = NavigationBar()) {
         super.init(navigationBar: navigationBar)
     }
@@ -49,11 +52,20 @@ open class TabBarController: ViewController {
         fatalError("init(coder:) has not been implemented")
     }
     
+    deinit {
+        self.pendingControllerDisposable.dispose()
+    }
+    
     override open func loadDisplayNode() {
         self.displayNode = TabBarControllerNode(itemSelected: { [weak self] index in
+            if let strongSelf = self {
+                strongSelf.controllers[index].containerLayoutUpdated(strongSelf.containerLayout.addedInsets(insets: UIEdgeInsets(top: 0.0, left: 0.0, bottom: 49.0, right: 0.0)), transition: .immediate)
+                strongSelf.pendingControllerDisposable.set((strongSelf.controllers[index].ready.get() |> deliverOnMainQueue).start(next: { _ in
                     if let strongSelf = self {
                         strongSelf.selectedIndex = index
                     }
+                }))
+            }
         })
         
         self.updateSelectedIndex()