Refactor ContactListUI and related modules

submodules/SearchUI/Sources/SearchDisplayControllerContentNode.swift

@@ -0,0 +1,45 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import SwiftSignalKit
+import TelegramPresentationData
+
+open class SearchDisplayControllerContentNode: ASDisplayNode {
+    public final var dismissInput: (() -> Void)?
+    public final var cancel: (() -> Void)?
+    public final var setQuery: ((NSAttributedString?, String) -> Void)?
+    public final var setPlaceholder: ((String) -> Void)?
+    
+    open var isSearching: Signal<Bool, NoError> {
+        return .single(false)
+    }
+    
+    override public init() {
+        super.init()
+    }
+    
+    open func updatePresentationData(_ presentationData: PresentationData) {
+    }
+    
+    open func searchTextUpdated(text: String) {
+    }
+    
+    open func searchTextClearPrefix() {
+    }
+    
+    open func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
+    
+    }
+    
+    open func ready() -> Signal<Void, NoError> {
+        return .single(Void())
+    }
+    
+    open func previewViewAndActionAtLocation(_ location: CGPoint) -> (UIView, CGRect, Any)? {
+        return nil
+    }
+    
+    open func scrollToTop() {
+    }
+}