[WIP] Saved messages

submodules/TelegramUI/Components/SavedMessages/SavedMessagesScreen/Sources/SavedMessagesScreen.swift

@@ -0,0 +1,86 @@
+import Foundation
+import AsyncDisplayKit
+import Display
+import ComponentFlow
+import ComponentDisplayAdapters
+import TelegramCore
+import AccountContext
+import SwiftSignalKit
+import ViewControllerComponent
+
+private final class SavedMessagesScreenComponent: Component {
+    public let context: AccountContext
+    
+    public init(
+        context: AccountContext
+    ) {
+        self.context = context
+    }
+    
+    public static func ==(lhs: SavedMessagesScreenComponent, rhs: SavedMessagesScreenComponent) -> Bool {
+        if lhs.context !== rhs.context {
+            return false
+        }
+        return true
+    }
+    
+    public final class View: UIView {        
+        private var component: SavedMessagesScreenComponent?
+        private var state: EmptyComponentState?
+        private var environment: ViewControllerComponentContainer.Environment?
+        
+        override public init(frame: CGRect) {
+            super.init(frame: frame)
+            
+            self.clipsToBounds = true
+        }
+        
+        required public init?(coder aDecoder: NSCoder) {
+            fatalError("init(coder:) has not been implemented")
+        }
+        
+        deinit {
+        }
+        
+        func update(component: SavedMessagesScreenComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<ViewControllerComponentContainer.Environment>, transition: Transition) -> CGSize {
+            let environment = environment[ViewControllerComponentContainer.Environment.self].value
+            
+            let themeUpdated = self.environment?.theme !== environment.theme
+            
+            self.environment = environment
+            self.component = component
+            self.state = state
+            
+            if themeUpdated {
+                self.backgroundColor = environment.theme.list.plainBackgroundColor
+            }
+            
+            return availableSize
+        }
+    }
+    
+    public func makeView() -> View {
+        return View(frame: CGRect())
+    }
+    
+    public func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<ViewControllerComponentContainer.Environment>, transition: Transition) -> CGSize {
+        return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
+    }
+}
+
+public class SavedMessagesScreen: ViewControllerComponentContainer {
+    private let context: AccountContext
+    
+    public init(context: AccountContext) {
+        self.context = context
+        
+        super.init(context: context, component: SavedMessagesScreenComponent(context: context), navigationBarAppearance: .none)
+    }
+    
+    required public init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    deinit {
+    }
+}