Refactor SettingsUI and related modules

submodules/SettingsUI/Sources/Themes/ThemePreviewController.swift

@@ -0,0 +1,128 @@
+import Foundation
+import UIKit
+import Display
+import Postbox
+import SwiftSignalKit
+import AsyncDisplayKit
+import TelegramCore
+import TelegramPresentationData
+import TelegramUIPreferences
+import AccountContext
+import ShareController
+import CounterContollerTitleView
+
+public final class ThemePreviewController: ViewController {
+    private let context: AccountContext
+    private let previewTheme: PresentationTheme
+    private let media: AnyMediaReference
+    
+    private var controllerNode: ThemePreviewControllerNode {
+        return self.displayNode as! ThemePreviewControllerNode
+    }
+    
+    private var didPlayPresentationAnimation = false
+    
+    private var presentationData: PresentationData
+    private var presentationDataDisposable: Disposable?
+
+    public init(context: AccountContext, previewTheme: PresentationTheme, media: AnyMediaReference) {
+        self.context = context
+        self.previewTheme = previewTheme
+        self.media = media
+        
+        self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
+        
+        super.init(navigationBarPresentationData: NavigationBarPresentationData(presentationTheme: self.previewTheme, presentationStrings: self.presentationData.strings))
+        
+        if let author = previewTheme.author {
+            let titleView = CounterContollerTitleView(theme: self.previewTheme)
+            titleView.title = CounterContollerTitle(title: self.previewTheme.name.string, counter: author)
+            self.navigationItem.titleView = titleView
+        } else {
+            self.title = previewTheme.name.string
+        }
+        self.statusBar.statusBarStyle = self.previewTheme.rootController.statusBarStyle.style
+        self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
+        
+        self.navigationItem.rightBarButtonItem = UIBarButtonItem(image: generateTintedImage(image: UIImage(bundleImageName: "Chat/Input/Accessory Panels/MessageSelectionAction"), color: self.previewTheme.rootController.navigationBar.accentTextColor), style: .plain, target: self, action: #selector(self.actionPressed))
+        
+        self.presentationDataDisposable = (context.sharedContext.presentationData
+        |> deliverOnMainQueue).start(next: { [weak self] presentationData in
+            if let strongSelf = self {
+                strongSelf.presentationData = presentationData
+                strongSelf.updateStrings()
+            }
+        })
+    }
+    
+    required public init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    deinit {
+        self.presentationDataDisposable?.dispose()
+    }
+    
+    override public func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        
+        if let presentationArguments = self.presentationArguments as? ViewControllerPresentationArguments, !self.didPlayPresentationAnimation {
+            self.didPlayPresentationAnimation = true
+            if case .modalSheet = presentationArguments.presentationAnimation {
+                self.controllerNode.animateIn()
+            }
+        }
+    }
+    
+    override public func loadDisplayNode() {
+        super.loadDisplayNode()
+        
+        self.displayNode = ThemePreviewControllerNode(context: self.context, previewTheme: self.previewTheme, dismiss: { [weak self] in
+            if let strongSelf = self {
+                strongSelf.dismiss()
+            }
+        }, apply: { [weak self] in
+            if let strongSelf = self {
+                let _ = (strongSelf.context.sharedContext.accountManager.transaction { transaction -> Void in
+                    transaction.updateSharedData(ApplicationSpecificSharedDataKeys.presentationThemeSettings, { entry in
+                        let current: PresentationThemeSettings
+                        if let entry = entry as? PresentationThemeSettings {
+                            current = entry
+                        } else {
+                            current = PresentationThemeSettings.defaultSettings
+                        }
+                        
+                        return PresentationThemeSettings(chatWallpaper: .color(0xffffff), theme: .builtin(.day), themeSpecificAccentColors: current.themeSpecificAccentColors, themeSpecificChatWallpapers: current.themeSpecificChatWallpapers, fontSize: current.fontSize, automaticThemeSwitchSetting: current.automaticThemeSwitchSetting, largeEmoji: current.largeEmoji, disableAnimations: current.disableAnimations)
+                    })
+                }).start(completed: { [weak self] in
+                    if let strongSelf = self {
+                        strongSelf.dismiss()
+                    }
+                })
+            }
+        })
+        self.displayNodeDidLoad()
+    }
+    
+    private func updateStrings() {
+    
+    }
+    
+    override public func dismiss(completion: (() -> Void)? = nil) {
+        self.controllerNode.animateOut(completion: { [weak self] in
+            self?.presentingViewController?.dismiss(animated: false, completion: nil)
+            completion?()
+        })
+    }
+    
+    override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        self.controllerNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
+    }
+
+    @objc private func actionPressed() {
+        let controller = ShareController(context: self.context, subject: .media(self.media))
+        self.present(controller, in: .window(.root), blockInteraction: true)
+    }
+}