mirror of
https://github.com/vector-im/element-ios.git
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379 lines
15 KiB
Swift
379 lines
15 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh Threads/ThreadList ThreadList
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/*
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Copyright 2021 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import UIKit
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final class ThreadListViewController: UIViewController {
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// MARK: - Properties
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// MARK: Outlets
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@IBOutlet private weak var threadsTableView: UITableView!
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@IBOutlet private weak var emptyView: ThreadListEmptyView!
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// MARK: Private
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private var viewModel: ThreadListViewModelProtocol!
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private var theme: Theme!
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private var keyboardAvoider: KeyboardAvoider?
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private var errorPresenter: MXKErrorPresentation!
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private var activityPresenter: ActivityIndicatorPresenter!
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private var titleView: ThreadRoomTitleView!
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// MARK: - Setup
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class func instantiate(with viewModel: ThreadListViewModelProtocol) -> ThreadListViewController {
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let viewController = StoryboardScene.ThreadListViewController.initialScene.instantiate()
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viewController.viewModel = viewModel
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viewController.theme = ThemeService.shared().theme
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return viewController
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}
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// MARK: - Life cycle
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override func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view.
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self.setupViews()
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self.keyboardAvoider = KeyboardAvoider(scrollViewContainerView: self.view, scrollView: self.threadsTableView)
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self.activityPresenter = ActivityIndicatorPresenter()
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self.errorPresenter = MXKErrorAlertPresentation()
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self.registerThemeServiceDidChangeThemeNotification()
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self.update(theme: self.theme)
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self.viewModel.viewDelegate = self
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self.viewModel.process(viewAction: .loadData)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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self.keyboardAvoider?.startAvoiding()
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AnalyticsScreenTracker.trackScreen(.threadList)
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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self.keyboardAvoider?.stopAvoiding()
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}
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override var preferredStatusBarStyle: UIStatusBarStyle {
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return self.theme.statusBarStyle
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}
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override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
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guard let titleView = self.titleView else { return }
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if UIApplication.shared.statusBarOrientation.isPortrait {
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titleView.updateLayout(for: .landscapeLeft)
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} else {
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titleView.updateLayout(for: .portrait)
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}
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}
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// MARK: - Private
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private func update(theme: Theme) {
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self.theme = theme
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self.view.backgroundColor = theme.headerBackgroundColor
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if let navigationBar = self.navigationController?.navigationBar {
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theme.applyStyle(onNavigationBar: navigationBar)
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}
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emptyView.update(theme: theme)
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emptyView.backgroundColor = theme.colors.background
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self.threadsTableView.backgroundColor = theme.backgroundColor
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self.threadsTableView.separatorColor = theme.colors.separator
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self.threadsTableView.reloadData()
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}
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private func registerThemeServiceDidChangeThemeNotification() {
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NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
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}
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@objc private func themeDidChange() {
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self.update(theme: ThemeService.shared().theme)
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}
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private func setupViews() {
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let titleView = ThreadRoomTitleView.loadFromNib()
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titleView.mode = .allThreads
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titleView.configure(withModel: viewModel.titleModel)
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titleView.updateLayout(for: UIApplication.shared.statusBarOrientation)
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self.titleView = titleView
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navigationItem.leftItemsSupplementBackButton = true
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vc_removeBackTitle()
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navigationItem.leftBarButtonItem = UIBarButtonItem(customView: titleView)
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navigationItem.rightBarButtonItem = UIBarButtonItem(image: Asset.Images.threadsFilter.image,
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style: .plain,
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target: self,
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action: #selector(filterButtonTapped(_:)))
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self.threadsTableView.tableFooterView = UIView()
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self.threadsTableView.register(cellType: ThreadTableViewCell.self)
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self.threadsTableView.keyboardDismissMode = .interactive
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}
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private func render(viewState: ThreadListViewState) {
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switch viewState {
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case .idle:
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break
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case .loading:
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renderLoading()
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case .loaded:
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renderLoaded()
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case .empty(let model):
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renderEmptyView(withModel: model)
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case .showingFilterTypes:
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renderShowingFilterTypes()
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case .showingLongPressActions(let index):
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renderShowingLongPressActions(index)
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case .share(let url, let index):
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renderShare(url, index: index)
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case .toastForCopyLink:
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toastForCopyLink()
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case .error(let error):
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render(error: error)
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}
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}
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private func renderLoading() {
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emptyView.isHidden = true
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threadsTableView.isHidden = viewModel.numberOfThreads == 0
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self.activityPresenter.presentActivityIndicator(on: self.view, animated: true)
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}
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private func renderLoaded() {
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self.activityPresenter.removeCurrentActivityIndicator(animated: true)
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threadsTableView.isHidden = false
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self.threadsTableView.reloadData()
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navigationItem.rightBarButtonItem?.isEnabled = true
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switch viewModel.selectedFilterType {
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case .all:
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navigationItem.rightBarButtonItem?.image = Asset.Images.threadsFilter.image
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case .myThreads:
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navigationItem.rightBarButtonItem?.image = Asset.Images.threadsFilterApplied.image
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}
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}
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private func renderEmptyView(withModel model: ThreadListEmptyModel) {
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self.activityPresenter.removeCurrentActivityIndicator(animated: true)
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emptyView.configure(withModel: model)
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threadsTableView.isHidden = true
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emptyView.isHidden = false
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navigationItem.rightBarButtonItem?.isEnabled = viewModel.selectedFilterType == .myThreads
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switch viewModel.selectedFilterType {
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case .all:
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navigationItem.rightBarButtonItem = nil
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case .myThreads:
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navigationItem.rightBarButtonItem?.image = Asset.Images.threadsFilterApplied.image
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}
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}
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private func renderShowingFilterTypes() {
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let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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let allThreadsAction = UIAlertAction(title: ThreadListFilterType.all.title,
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style: .default,
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handler: { [weak self] action in
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guard let self = self else { return }
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self.viewModel.process(viewAction: .selectFilterType(.all))
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})
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if self.viewModel.selectedFilterType == .all {
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allThreadsAction.setValue(true, forKey: "checked")
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}
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alertController.addAction(allThreadsAction)
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let myThreadsAction = UIAlertAction(title: ThreadListFilterType.myThreads.title,
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style: .default,
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handler: { [weak self] action in
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guard let self = self else { return }
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self.viewModel.process(viewAction: .selectFilterType(.myThreads))
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})
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if self.viewModel.selectedFilterType == .myThreads {
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myThreadsAction.setValue(true, forKey: "checked")
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}
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alertController.addAction(myThreadsAction)
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alertController.addAction(UIAlertAction(title: VectorL10n.cancel,
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style: .cancel,
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handler: nil))
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alertController.popoverPresentationController?.barButtonItem = navigationItem.rightBarButtonItem
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self.present(alertController, animated: true, completion: nil)
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}
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private func renderShowingLongPressActions(_ index: Int) {
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let controller = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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controller.addAction(UIAlertAction(title: VectorL10n.roomEventActionViewInRoom,
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style: .default,
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handler: { [weak self] action in
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guard let self = self else { return }
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self.viewModel.process(viewAction: .actionViewInRoom)
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}))
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controller.addAction(UIAlertAction(title: VectorL10n.threadCopyLinkToThread,
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style: .default,
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handler: { [weak self] action in
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guard let self = self else { return }
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self.viewModel.process(viewAction: .actionCopyLinkToThread)
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}))
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controller.addAction(UIAlertAction(title: VectorL10n.roomEventActionShare,
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style: .default,
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handler: { [weak self] action in
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guard let self = self else { return }
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self.viewModel.process(viewAction: .actionShare)
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}))
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controller.addAction(UIAlertAction(title: VectorL10n.cancel,
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style: .cancel,
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handler: nil))
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if let cell = threadsTableView.cellForRow(at: IndexPath(row: index, section: 0)) {
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controller.popoverPresentationController?.sourceView = cell
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} else {
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controller.popoverPresentationController?.sourceView = view
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}
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self.present(controller, animated: true, completion: nil)
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}
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private func renderShare(_ url: URL, index: Int) {
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let activityVC = UIActivityViewController(activityItems: [url],
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applicationActivities: nil)
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activityVC.modalTransitionStyle = .coverVertical
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if let cell = threadsTableView.cellForRow(at: IndexPath(row: index, section: 0)) {
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activityVC.popoverPresentationController?.sourceView = cell
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} else {
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activityVC.popoverPresentationController?.sourceView = view
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}
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present(activityVC, animated: true, completion: nil)
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}
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private func toastForCopyLink() {
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view.vc_toast(message: VectorL10n.roomEventCopyLinkInfo,
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image: Asset.Images.linkIcon.image)
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}
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private func render(error: Error) {
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self.activityPresenter.removeCurrentActivityIndicator(animated: true)
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self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
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}
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// MARK: - Actions
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@objc
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private func filterButtonTapped(_ sender: UIBarButtonItem) {
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self.viewModel.process(viewAction: .showFilterTypes)
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Analytics.shared.trackInteraction(.threadListFilterItem)
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}
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@IBAction private func longPressed(_ sender: UILongPressGestureRecognizer) {
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guard sender.state == .began else {
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return
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}
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let point = sender.location(in: threadsTableView)
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guard let indexPath = threadsTableView.indexPathForRow(at: point) else {
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return
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}
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guard let cell = threadsTableView.cellForRow(at: indexPath) else {
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return
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}
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if cell.isHighlighted {
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viewModel.process(viewAction: .longPressThread(indexPath.row))
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}
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}
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}
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// MARK: - ThreadListViewModelViewDelegate
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extension ThreadListViewController: ThreadListViewModelViewDelegate {
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func threadListViewModel(_ viewModel: ThreadListViewModelProtocol,
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didUpdateViewState viewSate: ThreadListViewState) {
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self.render(viewState: viewSate)
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}
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}
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// MARK: - UITableViewDataSource
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extension ThreadListViewController: UITableViewDataSource {
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func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return viewModel.numberOfThreads
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}
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func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell: ThreadTableViewCell = tableView.dequeueReusableCell(for: indexPath)
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cell.update(theme: theme)
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if let threadModel = viewModel.threadModel(at: indexPath.row) {
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cell.configure(withModel: threadModel)
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}
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return cell
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}
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}
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// MARK: - UITableViewDelegate
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extension ThreadListViewController: UITableViewDelegate {
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func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
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cell.backgroundColor = theme.backgroundColor
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cell.selectedBackgroundView = UIView()
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cell.selectedBackgroundView?.backgroundColor = theme.selectedBackgroundColor
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if indexPath.row == viewModel.numberOfThreads - 1 {
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viewModel.process(viewAction: .loadData)
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}
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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tableView.deselectRow(at: indexPath, animated: true)
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viewModel.process(viewAction: .selectThread(indexPath.row))
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Analytics.shared.trackInteraction(.threadListThreadItem)
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}
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}
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// MARK: - ThreadListEmptyViewDelegate
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extension ThreadListViewController: ThreadListEmptyViewDelegate {
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func threadListEmptyViewTappedShowAllThreads(_ emptyView: ThreadListEmptyView) {
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viewModel.process(viewAction: .selectFilterType(.all))
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}
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}
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