New App Layout: added suppport for room invites in the all chats screen

Riot/Modules/Home/AllChats/RoomInvitesViewController.swift

@@ -0,0 +1,127 @@
+// 
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+class RoomInvitesViewController: RecentsViewController {
+    
+    // MARK: - Class methods
+    
+    static override func nib() -> UINib! {
+        return UINib(nibName: String(describing: self), bundle: Bundle(for: self.classForCoder()))
+    }
+    
+    static func instantiate() -> Self {
+        let storyboard = UIStoryboard(name: "Main", bundle: .main)
+        guard let viewController = storyboard.instantiateViewController(withIdentifier: "RoomInvitesViewController") as? Self else {
+            fatalError("No view controller of type \(self) in the main storyboard")
+        }
+        return viewController
+    }
+    
+    // MARK: - Private
+    
+    private var recentsDataSource: RecentsDataSource?
+    private var tableViewPaginationThrottler: MXThrottler!
+
+    // MARK: - Lifecycle
+    
+    override func awakeFromNib() {
+        super.awakeFromNib()
+        self.enableSearchBar = false
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        self.recentsTableView.clipsToBounds = false
+        self.recentsTableView.tag = RecentsDataSourceMode.roomInvites.rawValue
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        guard let recentsDataSource = self.dataSource as? RecentsDataSource else {
+            return
+        }
+        
+        self.recentsDataSource = recentsDataSource
+        
+        if recentsDataSource.recentsDataSourceMode != .roomInvites {
+            recentsDataSource.setDelegate(self, andRecentsDataSourceMode: .roomInvites)
+            recentsDataSource.search(withPatterns: nil)
+            recentsSearchBar?.text = nil
+        }
+    }
+    
+    // MARK: - RecentsViewController
+    
+    override func finalizeInit() {
+        super.finalizeInit()
+        
+        title = VectorL10n.roomRecentsInvitesSection.capitalized
+        // TODO: add right screen tracker
+//        self.screenTracker = AnalyticsScreenTracker(screen: .rooms)
+        tableViewPaginationThrottler = MXThrottler(minimumDelay: 0.1)
+    }
+
+    override func refreshCurrentSelectedCell(_ forceVisible: Bool) {
+        // Check whether the recents data source is correctly configured.
+        guard self.recentsDataSource?.recentsDataSourceMode == .roomInvites else {
+            return
+        }
+        
+        super.refreshCurrentSelectedCell(forceVisible)
+    }
+    
+    // MARK: - UITableViewDelegate
+    
+    override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
+        return 0
+    }
+    
+    override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
+        super.tableView(tableView, willDisplay: cell, forRowAt: indexPath)
+        
+        tableViewPaginationThrottler .throttle { [weak self] in
+            guard let self = self, tableView.numberOfSections > indexPath.section else {
+                return
+            }
+            
+            let numberOfRowsInSection = tableView.numberOfRows(inSection: indexPath.section)
+            if indexPath.row == numberOfRowsInSection - 1 {
+                self.recentsDataSource?.paginate(inSection: indexPath.section)
+            }
+        }
+    }
+    
+    // MARK: - Empty view management
+    
+    override func updateEmptyView() {
+        emptyView?.fill(with: self.emptyViewArtwork,
+                        title: VectorL10n.roomsEmptyViewTitle,
+                        informationText: VectorL10n.roomsEmptyViewInformation)
+    }
+    
+    private var emptyViewArtwork: UIImage {
+        if ThemeService.shared().isCurrentThemeDark() {
+            return Asset.Images.roomsEmptyScreenArtworkDark.image
+        } else {
+            return Asset.Images.roomsEmptyScreenArtwork.image
+        }
+    }
+    
+}