Refactor ContactListUI and related modules

submodules/ContactListUI/Sources/ContactsControllerNode.swift

@@ -0,0 +1,184 @@
+import Display
+import UIKit
+import AsyncDisplayKit
+import UIKit
+import Postbox
+import TelegramCore
+import SwiftSignalKit
+import TelegramPresentationData
+import TelegramUIPreferences
+import DeviceAccess
+import AccountContext
+import SearchBarNode
+import SearchUI
+
+private final class ContactsControllerNodeView: UITracingLayerView, PreviewingHostView {
+    var previewingDelegate: PreviewingHostViewDelegate? {
+        return PreviewingHostViewDelegate(controllerForLocation: { [weak self] sourceView, point in
+            return self?.controller?.previewingController(from: sourceView, for: point)
+        }, commitController: { [weak self] controller in
+            self?.controller?.previewingCommit(controller)
+        })
+    }
+    
+    weak var controller: ContactsController?
+}
+
+final class ContactsControllerNode: ASDisplayNode {
+    let contactListNode: ContactListNode
+    
+    private let context: AccountContext
+    private(set) var searchDisplayController: SearchDisplayController?
+    
+    private var containerLayout: (ContainerViewLayout, CGFloat)?
+    
+    var navigationBar: NavigationBar?
+    
+    var requestDeactivateSearch: (() -> Void)?
+    var requestOpenPeerFromSearch: ((ContactListPeer) -> Void)?
+    var openPeopleNearby: (() -> Void)?
+    var openInvite: (() -> Void)?
+    
+    private var presentationData: PresentationData
+    private var presentationDataDisposable: Disposable?
+    
+    weak var controller: ContactsController?
+    
+    init(context: AccountContext, sortOrder: Signal<ContactsSortOrder, NoError>, present: @escaping (ViewController, Any?) -> Void, controller: ContactsController) {
+        self.context = context
+        self.controller = controller
+        
+        self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
+        
+        var addNearbyImpl: (() -> Void)?
+        var inviteImpl: (() -> Void)?
+        let options = [ContactListAdditionalOption(title: presentationData.strings.Contacts_AddPeopleNearby, icon: .generic(UIImage(bundleImageName: "Contact List/PeopleNearbyIcon")!), action: {
+            addNearbyImpl?()
+        }), ContactListAdditionalOption(title: presentationData.strings.Contacts_InviteFriends, icon: .generic(UIImage(bundleImageName: "Contact List/AddMemberIcon")!), action: {
+            inviteImpl?()
+        })]
+        
+        let presentation = sortOrder
+        |> map { sortOrder -> ContactListPresentation in
+            switch sortOrder {
+                case .presence:
+                    return .orderedByPresence(options: options)
+                case .natural:
+                    return .natural(options: options, includeChatList: false)
+            }
+        }
+        
+        self.contactListNode = ContactListNode(context: context, presentation: presentation, displaySortOptions: true)
+        
+        super.init()
+        
+        self.setViewBlock({
+            return ContactsControllerNodeView()
+        })
+        
+        self.backgroundColor = self.presentationData.theme.chatList.backgroundColor
+        
+        self.addSubnode(self.contactListNode)
+        
+        self.presentationDataDisposable = (context.sharedContext.presentationData
+        |> deliverOnMainQueue).start(next: { [weak self] presentationData in
+            if let strongSelf = self {
+                let previousTheme = strongSelf.presentationData.theme
+                let previousStrings = strongSelf.presentationData.strings
+                
+                strongSelf.presentationData = presentationData
+                
+                if previousTheme !== presentationData.theme || previousStrings !== presentationData.strings {
+                    strongSelf.updateThemeAndStrings()
+                }
+            }
+        })
+        
+        addNearbyImpl = { [weak self] in
+            if let strongSelf = self {
+                strongSelf.openPeopleNearby?()
+            }
+        }
+        
+        inviteImpl = { [weak self] in
+            if let strongSelf = self {
+                strongSelf.openInvite?()
+            }
+        }
+    }
+    
+    deinit {
+        self.presentationDataDisposable?.dispose()
+    }
+    
+    override func didLoad() {
+        super.didLoad()
+        
+        (self.view as? ContactsControllerNodeView)?.controller = self.controller
+    }
+    
+    private func updateThemeAndStrings() {
+        self.backgroundColor = self.presentationData.theme.chatList.backgroundColor
+        self.searchDisplayController?.updatePresentationData(self.presentationData)
+    }
+    
+    func scrollToTop() {
+        if let contentNode = self.searchDisplayController?.contentNode as? ContactsSearchContainerNode {
+            contentNode.scrollToTop()
+        } else {
+            self.contactListNode.scrollToTop()
+        }
+    }
+    
+    func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, actualNavigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
+        self.containerLayout = (layout, navigationBarHeight)
+        
+        var insets = layout.insets(options: [.input])
+        insets.top += navigationBarHeight
+    
+        var headerInsets = layout.insets(options: [.input])
+        headerInsets.top += actualNavigationBarHeight
+        
+        if let searchDisplayController = self.searchDisplayController {
+            searchDisplayController.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
+        }
+        
+        self.contactListNode.containerLayoutUpdated(ContainerViewLayout(size: layout.size, metrics: layout.metrics, intrinsicInsets: insets, safeInsets: layout.safeInsets, statusBarHeight: layout.statusBarHeight, inputHeight: layout.inputHeight, standardInputHeight: layout.standardInputHeight, inputHeightIsInteractivellyChanging: layout.inputHeightIsInteractivellyChanging, inVoiceOver: layout.inVoiceOver), headerInsets: headerInsets, transition: transition)
+        
+        self.contactListNode.frame = CGRect(origin: CGPoint(), size: layout.size)
+    }
+    
+    func activateSearch(placeholderNode: SearchBarPlaceholderNode) {
+        guard let (containerLayout, navigationBarHeight) = self.containerLayout, let navigationBar = self.navigationBar, self.searchDisplayController == nil else {
+            return
+        }
+        
+        self.searchDisplayController = SearchDisplayController(presentationData: self.presentationData, contentNode: ContactsSearchContainerNode(context: self.context, onlyWriteable: false, categories: [.cloudContacts, .global, .deviceContacts], openPeer: { [weak self] peer in
+            if let requestOpenPeerFromSearch = self?.requestOpenPeerFromSearch {
+                requestOpenPeerFromSearch(peer)
+            }
+        }), cancel: { [weak self] in
+            if let requestDeactivateSearch = self?.requestDeactivateSearch {
+                requestDeactivateSearch()
+            }
+        })
+        
+        self.searchDisplayController?.containerLayoutUpdated(containerLayout, navigationBarHeight: navigationBarHeight, transition: .immediate)
+        self.searchDisplayController?.activate(insertSubnode: { [weak self, weak placeholderNode] subnode, isSearchBar in
+            if let strongSelf = self, let strongPlaceholderNode = placeholderNode {
+                if isSearchBar {
+                    strongPlaceholderNode.supernode?.insertSubnode(subnode, aboveSubnode: strongPlaceholderNode)
+                } else {
+                    strongSelf.insertSubnode(subnode, belowSubnode: navigationBar)
+                }
+            }
+        }, placeholder: placeholderNode)
+    }
+    
+    func deactivateSearch(placeholderNode: SearchBarPlaceholderNode, animated: Bool) {
+        if let searchDisplayController = self.searchDisplayController {
+            searchDisplayController.deactivate(placeholder: placeholderNode, animated: animated)
+            self.searchDisplayController = nil
+        }
+    }
+}