Implement new module

Riot/Modules/Room/CreationModal/RoomCreationEventsModal/RoomCreationEventsModalViewController.swift

@@ -0,0 +1,229 @@
+// File created from ScreenTemplate
+// $ createScreen.sh Modal2/RoomCreation RoomCreationEventsModal
+/*
+ Copyright 2020 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 UIKit
+
+final class RoomCreationEventsModalViewController: UIViewController {
+    
+    // MARK: - Constants
+    
+    private enum Constants {
+        static let defaultStyleCellReuseIdentifier = "default"
+    }
+    
+    // MARK: - Properties
+    
+    // MARK: Outlets
+
+    @IBOutlet private weak var mainTableView: UITableView!
+    @IBOutlet private weak var roomAvatarImageView: MXKImageView! {
+        didSet {
+            roomAvatarImageView.layer.cornerRadius = roomAvatarImageView.frame.width/2
+        }
+    }
+    @IBOutlet private weak var roomNameLabel: UILabel!
+    @IBOutlet private weak var roomInfoLabel: UILabel!
+    @IBOutlet private weak var closeButton: UIButton!
+    
+    // MARK: Private
+
+    private var viewModel: RoomCreationEventsModalViewModelType!
+    private var theme: Theme!
+    private var errorPresenter: MXKErrorPresentation!
+    private var activityPresenter: ActivityIndicatorPresenter!
+
+    // MARK: - Setup
+    
+    class func instantiate(with viewModel: RoomCreationEventsModalViewModelType) -> RoomCreationEventsModalViewController {
+        let viewController = StoryboardScene.RoomCreationEventsModalViewController.initialScene.instantiate()
+        viewController.viewModel = viewModel
+        viewController.theme = ThemeService.shared().theme
+        return viewController
+    }
+    
+    // MARK: - Life cycle
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        // Do any additional setup after loading the view.
+        
+        self.setupViews()
+        self.activityPresenter = ActivityIndicatorPresenter()
+        self.errorPresenter = MXKErrorAlertPresentation()
+        
+        self.registerThemeServiceDidChangeThemeNotification()
+        self.update(theme: self.theme)
+        
+        self.viewModel.viewDelegate = self
+
+        self.viewModel.process(viewAction: .loadData)
+        
+        roomNameLabel.text = viewModel.roomName
+        roomInfoLabel.text = viewModel.roomInfo
+        viewModel.setAvatar(in: roomAvatarImageView)
+    }
+
+    override var preferredStatusBarStyle: UIStatusBarStyle {
+        return self.theme.statusBarStyle
+    }
+    
+    // MARK: - Private
+    
+    private func update(theme: Theme) {
+        self.theme = theme
+        
+        self.view.backgroundColor = theme.backgroundColor
+        self.mainTableView.backgroundColor = theme.backgroundColor
+        
+        if let navigationBar = self.navigationController?.navigationBar {
+            theme.applyStyle(onNavigationBar: navigationBar)
+        }
+
+        // TODO: Set view colors here
+        theme.applyStyle(onButton: self.closeButton)
+        
+        roomNameLabel.textColor = theme.textPrimaryColor
+        roomInfoLabel.textColor = theme.textSecondaryColor
+        
+        self.mainTableView.reloadData()
+    }
+    
+    private func registerThemeServiceDidChangeThemeNotification() {
+        NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
+    }
+    
+    @objc private func themeDidChange() {
+        self.update(theme: ThemeService.shared().theme)
+    }
+    
+    private func setupViews() {
+        self.mainTableView.separatorStyle = .none
+        self.mainTableView.tableFooterView = UIView()
+    }
+
+    private func render(viewState: RoomCreationEventsModalViewState) {
+        switch viewState {
+        case .loading:
+            self.renderLoading()
+        case .loaded:
+            self.renderLoaded()
+        case .error(let error):
+            self.render(error: error)
+        }
+    }
+    
+    private func renderLoading() {
+//        self.activityPresenter.presentActivityIndicator(on: self.view, animated: true)
+    }
+    
+    private func renderLoaded() {
+        self.activityPresenter.removeCurrentActivityIndicator(animated: true)
+
+    }
+    
+    private func render(error: Error) {
+        self.activityPresenter.removeCurrentActivityIndicator(animated: true)
+        self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
+    }
+
+    // MARK: - Actions
+
+    @IBAction private func closeButtonTapped(_ sender: Any) {
+        self.viewModel.process(viewAction: .close)
+    }
+
+}
+
+
+// MARK: - RoomCreationEventsModalViewModelViewDelegate
+
+extension RoomCreationEventsModalViewController: RoomCreationEventsModalViewModelViewDelegate {
+
+    func roomCreationEventsModalViewModel(_ viewModel: RoomCreationEventsModalViewModelType, didUpdateViewState viewSate: RoomCreationEventsModalViewState) {
+        self.render(viewState: viewSate)
+    }
+}
+
+// MARK: - SlidingModalPresentable
+
+extension RoomCreationEventsModalViewController: SlidingModalPresentable {
+    
+    func allowsDismissOnBackgroundTap() -> Bool {
+        return true
+    }
+    
+    func layoutHeightFittingWidth(_ width: CGFloat) -> CGFloat {
+        return mainTableView.contentSize.height + 80
+        // TODO: Fix hard-coded
+//        return 500
+    }
+    
+}
+
+// MARK: - UITableViewDataSource
+
+extension RoomCreationEventsModalViewController: UITableViewDataSource {
+    
+    func numberOfSections(in tableView: UITableView) -> Int {
+        return 1
+    }
+    
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return viewModel.numberOfRows
+    }
+    
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        guard let viewModel = viewModel.rowViewModel(at: indexPath) else {
+            return UITableViewCell(style: .default, reuseIdentifier: nil)
+        }
+        
+        var cell: UITableViewCell! = tableView.dequeueReusableCell(withIdentifier: Constants.defaultStyleCellReuseIdentifier)
+        if cell == nil {
+            cell = UITableViewCell(style: .default, reuseIdentifier: Constants.defaultStyleCellReuseIdentifier)
+        }
+        if let title = viewModel.title {
+            let mutableTitle = NSMutableAttributedString(attributedString: title)
+            mutableTitle.setAttributes([
+                NSAttributedString.Key.font: UIFont.systemFont(ofSize: 16),
+                NSAttributedString.Key.foregroundColor: theme.textSecondaryColor
+            ], range: NSRange(location: 0, length: mutableTitle.length))
+            cell.textLabel?.attributedText = mutableTitle
+        } else {
+            cell.textLabel?.attributedText = nil
+        }
+        
+        cell.textLabel?.numberOfLines = 0
+        cell.backgroundColor = theme.backgroundColor
+        cell.contentView.backgroundColor = .clear
+        cell.tintColor = theme.tintColor
+        cell.selectionStyle = .none
+        return cell
+    }
+    
+}
+
+// MARK: - UITableViewDelegate
+
+extension RoomCreationEventsModalViewController: UITableViewDelegate {
+    
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        
+    }
+    
+}