Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/Display/Source/TextFieldNode.swift

@@ -0,0 +1,67 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+
+public final class TextFieldNodeView: UITextField {
+    public var didDeleteBackwardWhileEmpty: (() -> Void)?
+    
+    var fixOffset: Bool = true
+    
+    override public func editingRect(forBounds bounds: CGRect) -> CGRect {
+        return bounds.integral
+    }
+    
+    override public func textRect(forBounds bounds: CGRect) -> CGRect {
+        return bounds.integral
+    }
+    
+    override public func placeholderRect(forBounds bounds: CGRect) -> CGRect {
+        return self.editingRect(forBounds: bounds)
+    }
+    
+    override public func deleteBackward() {
+        if self.text == nil || self.text!.isEmpty {
+            self.didDeleteBackwardWhileEmpty?()
+        }
+        super.deleteBackward()
+    }
+    
+    override public var keyboardAppearance: UIKeyboardAppearance {
+        get {
+            return super.keyboardAppearance
+        }
+        set {
+            guard newValue != self.keyboardAppearance else {
+                return
+            }
+            let resigning = self.isFirstResponder
+            if resigning {
+                self.resignFirstResponder()
+            }
+            super.keyboardAppearance = newValue
+            if resigning {
+                self.becomeFirstResponder()
+            }
+        }
+    }
+}
+
+public class TextFieldNode: ASDisplayNode {
+    public var textField: TextFieldNodeView {
+        return self.view as! TextFieldNodeView
+    }
+    
+    public var fixOffset: Bool = true {
+        didSet {
+            self.textField.fixOffset = self.fixOffset
+        }
+    }
+    
+    override public init() {
+        super.init()
+        
+        self.setViewBlock({
+            return TextFieldNodeView()
+        })
+    }
+}