Refactor PasswordSetupUI, PassportUI, GalleryUI and related modules

submodules/PassportUI/Sources/Form/FormController.swift

@@ -0,0 +1,63 @@
+import Foundation
+import UIKit
+import SwiftSignalKit
+import AsyncDisplayKit
+import Display
+import TelegramCore
+import TelegramPresentationData
+
+public class FormController<InnerState, InitParams, Node: FormControllerNode<InitParams, InnerState>>: ViewController {
+    public var controllerNode: Node {
+        return self.displayNode as! Node
+    }
+    
+    private let initParams: InitParams
+    private var presentationData: PresentationData
+    
+    private var didPlayPresentationAnimation = false
+    
+    init(initParams: InitParams, presentationData: PresentationData) {
+        self.initParams = initParams
+        self.presentationData = presentationData
+        
+        super.init(navigationBarPresentationData: NavigationBarPresentationData(presentationData: presentationData))
+        
+        self.statusBar.statusBarStyle = self.presentationData.theme.rootController.statusBarStyle.style
+    }
+    
+    required init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override public func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        
+        if !self.didPlayPresentationAnimation {
+            self.didPlayPresentationAnimation = true
+            self.controllerNode.animateIn()
+        }
+    }
+    
+    override public func dismiss(completion: (() -> Void)? = nil) {
+        self.controllerNode.view.endEditing(true)
+        self.controllerNode.animateOut(completion: { [weak self] in
+            self?.presentingViewController?.dismiss(animated: false, completion: nil)
+            completion?()
+        })
+    }
+    
+    override public func loadDisplayNode() {
+        self.displayNode = Node(initParams: self.initParams, presentationData: self.presentationData)
+        self.controllerNode.present = { [weak self] c, a in
+            self?.present(c, in: .window(.root), with: a)
+        }
+        
+        self.displayNodeDidLoad()
+    }
+    
+    override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        self.controllerNode.containerLayoutUpdated(layout, navigationHeight: self.navigationHeight, transition: transition)
+    }
+}