Add support for iOS 13 previewing and actions

Tusker/Screens/Conversation/ConversationTableViewController.swift

@@ -58,8 +58,6 @@ class ConversationTableViewController: EnhancedTableViewController {
                 self.tableView.scrollToRow(at: indexPath, at: .middle, animated: false)
             }
         }
-        
-        registerForPreviewing(with: self, sourceView: view)
     }
     
     override func viewWillAppear(_ animated: Bool) {

Tusker/Screens/Notifications/NotificationsTableViewController.swift

@@ -56,8 +56,6 @@ class NotificationsTableViewController: EnhancedTableViewController {
             self.older = pagination?.older
         }
         
-        registerForPreviewing(with: self, sourceView: view)
-        
         userActivity = UserActivityManager.checkNotificationsActivity()
     }
     

Tusker/Screens/Profile/ProfileTableViewController.swift

@@ -89,8 +89,6 @@ class ProfileTableViewController: EnhancedTableViewController, PreferencesAdapti
             add(loadingVC!)
             shouldLoadOnAccountIDSet = true
         }
-        
-        registerForPreviewing(with: self, sourceView: view)
     }
     
     override func viewWillAppear(_ animated: Bool) {

Tusker/Screens/Timeline/TimelineTableViewController.swift

@@ -82,8 +82,6 @@ class TimelineTableViewController: EnhancedTableViewController {
             self.newer = pagination?.newer
             self.older = pagination?.older
         }
-        
-        registerForPreviewing(with: self, sourceView: view)
     }
     
     override func viewWillAppear(_ animated: Bool) {
@@ -119,6 +117,8 @@ class TimelineTableViewController: EnhancedTableViewController {
         return cell
     }
     
+    // MARK: - Table view delegate
+    
     override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
         if indexPath.row == statusIDs.count - 1 {
             guard let older = older else { return }

Tusker/Screens/Utilities/EnhancedTableViewController.swift

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import SafariServices
 
 class EnhancedTableViewController: UITableViewController {
 
@@ -36,3 +37,35 @@ class EnhancedTableViewController: UITableViewController {
     }
 
 }
+
+extension EnhancedTableViewController {
+    
+    override func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
+        if let cell = tableView.cellForRow(at: indexPath) as? UITableViewCell & MenuPreviewProvider {
+            let cellLocation = cell.convert(point, from: tableView)
+            guard let (previewProvider, actionsProvider) = cell.getPreviewProviders(for: cellLocation, sourceViewController: self) else {
+                return nil
+            }
+            let actionProvider: UIContextMenuActionProvider = { (elements) in
+                return UIMenu<UIAction>.create(title: "test", children: elements + actionsProvider())
+            }
+            return UIContextMenuConfiguration(identifier: nil, previewProvider: previewProvider, actionProvider: actionProvider)
+        } else {
+            return nil
+        }
+    }
+    
+    override func tableView(_ tableView: UITableView, willCommitMenuWithAnimator animator: UIContextMenuInteractionCommitAnimating) {
+        if /*animator.preferredCommitStyle == .pop,*/ // preferredCommitStyle is always .dismiss, see FB6113554
+            let viewController = animator.previewViewController {
+            animator.addCompletion {
+                if viewController is LargeImageViewController || viewController is SFSafariViewController {
+                    self.present(viewController, animated: true)
+                } else {
+                    self.show(viewController, sender: nil)
+                }
+            }
+        }
+    }
+    
+}

Tusker/Screens/Utilities/LoadingViewController.swift

@@ -16,7 +16,7 @@ class LoadingViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         
-        activityIndicator = UIActivityIndicatorView(style: .whiteLarge)
+        activityIndicator = UIActivityIndicatorView(style: .large)
         activityIndicator.color = .darkGray
         activityIndicator.translatesAutoresizingMaskIntoConstraints = false
         

Tusker/Screens/Utilities/Previewing.swift

@@ -8,31 +8,65 @@
 
 import UIKit
 import SafariServices
+import Pachyderm
 
-protocol PreviewViewControllerProvider {
+protocol MenuPreviewProvider {
     
-    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController?
+    typealias PreviewProviders = (content: UIContextMenuContentPreviewProvider, actions: () -> [UIAction])
+    
+    func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders?
     
 }
 
-@objc extension UITableViewController: UIViewControllerPreviewingDelegate {
+extension MenuPreviewProvider {
-    public func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? {
+    
-        if let indexPath = tableView.indexPathForRow(at: location),
+    fileprivate func present(_ vc: UIViewController) {
-            let cell = tableView.cellForRow(at: indexPath) as? UITableViewCell & PreviewViewControllerProvider {
+        UIApplication.shared.keyWindow!.rootViewController!.present(vc, animated: true)
-            let cellLocation = cell.convert(location, from: tableView)
-            if let vc = cell.getPreviewViewController(forLocation: cellLocation, sourceViewController: self) {
-//                previewingContext.sourceRect = tableView.rectForRow(at: indexPath)
-                return vc
-            }
-        }
-        return nil
     }
     
-    public func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController) {
+    func actionsForProfile(accountID: String) -> [UIAction] {
-        if viewControllerToCommit is LargeImageViewController || viewControllerToCommit is SFSafariViewController {
+        guard let account = MastodonCache.account(for: accountID) else { return [] }
-            present(viewControllerToCommit, animated: false)
+        return [
-        } else {
+            UIAction(__title: "Open in Safari", image: UIImage(systemName: "safari")) { (_) in
-            navigationController!.pushViewController(viewControllerToCommit, animated: false)
+                self.present(SFSafariViewController(url: account.url))
+            },
+            UIAction(__title: "Send Message", image: UIImage(systemName: "envelope")) { (_) in
+                self.present(UINavigationController(rootViewController: ComposeViewController(mentioningAcct: account.acct)))
+            },
+            UIAction(__title: "Share...", image: UIImage(systemName: "square.and.arrow.up")) { (_) in
+                self.present(UIActivityViewController(activityItems: [account.url], applicationActivities: nil))
             }
+        ]
     }
+    
+    func actionsForURL(_ url: URL) -> [UIAction] {
+        return [
+            UIAction(__title: "Open in Safari", image: UIImage(systemName: "safari")) { (_) in
+                self.present(SFSafariViewController(url: url))
+            },
+            UIAction(__title: "Share...", image: UIImage(systemName: "square.and.arrow.up")) { (_) in
+                self.present(UIActivityViewController(activityItems: [url], applicationActivities: nil))
+            }
+        ]
+    }
+    
+    func actionsForHashtag(_ hashtag: Hashtag) -> [UIAction] {
+        return actionsForURL(hashtag.url)
+    }
+    
+    func actionsForStatus(statusID: String) -> [UIAction] {
+        guard let status = MastodonCache.status(for: statusID) else { return [] }
+        return [
+            UIAction(__title: "Reply", image: UIImage(systemName: "arrowshape.turn.up.left")) { (_) in
+                self.present(UINavigationController(rootViewController: ComposeViewController(inReplyTo: statusID)))
+            },
+            UIAction(__title: "Open in Safari", image: UIImage(systemName: "safari")) { (_) in
+                self.present(SFSafariViewController(url: status.url!))
+            },
+            UIAction(__title: "Share...", image: UIImage(systemName: "square.and.arrow.up")) { (_) in
+                self.present(UIActivityViewController(activityItems: [status.url!], applicationActivities: nil))
+            }
+        ]
+    }
+    
 }

Tusker/Views/Notifications/ActionNotificationTableViewCell.swift

@@ -179,14 +179,27 @@ class ActionNotificationTableViewCell: UITableViewCell, PreferencesAdaptive {
     
 }
 
-extension ActionNotificationTableViewCell: PreviewViewControllerProvider {
+extension ActionNotificationTableViewCell: MenuPreviewProvider {
-    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {
+    func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
         if avatarContainerView.frame.contains(location) {
-            return ProfileTableViewController(accountID: notification.account.id)
+            let accountID = notification.account.id
+            return (content: { ProfileTableViewController(accountID: accountID) }, actions: { self.actionsForProfile(accountID: accountID) })
         } else if contentLabel.frame.contains(location),
-            let vc = contentLabel.getViewController(forLinkAt: contentLabel.convert(location, from: self)) {
+            let link = contentLabel.getLink(atPoint: contentLabel.convert(location, from: self)) {
-            return vc
+            return (
+                content: { self.contentLabel.getViewController(forLink: link.url, inRange: link.range) },
+                actions: {
+                    let text = (self.contentLabel.text! as NSString).substring(with: link.range)
+                    if let mention = self.contentLabel.getMention(for: link.url, text: text) {
+                        return self.actionsForProfile(accountID: mention.id)
+                    } else if let hashtag = self.contentLabel.getHashtag(for: link.url, text: text) {
+                        return self.actionsForHashtag(hashtag)
+                    } else {
+                        return self.actionsForURL(link.url)
                     }
-        return ConversationTableViewController(for: statusID)
+                }
+            )
+        }
+        return (content: { ConversationTableViewController(for: self.statusID) }, actions: { self.actionsForStatus(statusID: self.statusID) })
     }
 }

Tusker/Views/Notifications/FollowNotificationTableViewCell.swift

@@ -98,8 +98,8 @@ class FollowNotificationTableViewCell: UITableViewCell, PreferencesAdaptive {
 
 }
 
-extension FollowNotificationTableViewCell: PreviewViewControllerProvider {
+extension FollowNotificationTableViewCell: MenuPreviewProvider {
-    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {
+    func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
-        return ProfileTableViewController(accountID: accountID)
+        return (content: { ProfileTableViewController(accountID: self.accountID) }, actions: { self.actionsForProfile(accountID: self.accountID) })
     }
 }

Tusker/Views/Profile Header/ProfileHeaderTableViewCell.swift

@@ -141,14 +141,26 @@ class ProfileHeaderTableViewCell: UITableViewCell, PreferencesAdaptive {
     
 }
 
-extension ProfileHeaderTableViewCell: PreviewViewControllerProvider {
+extension ProfileHeaderTableViewCell: MenuPreviewProvider {
-    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {
+    func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
         let noteLabelPoint = noteLabel.convert(location, from: self)
         if noteLabel.bounds.contains(noteLabelPoint),
-            let vc = noteLabel.getViewController(forLinkAt: noteLabelPoint) {
+            let link = noteLabel.getLink(atPoint: noteLabelPoint) {
-            return vc
+            return (
+                content: { self.noteLabel.getViewController(forLink: link.url, inRange: link.range) },
+                actions: {
+                    let text = (self.noteLabel.text! as NSString).substring(with: link.range)
+                    if let mention = self.noteLabel.getMention(for: link.url, text: text) {
+                        return self.actionsForProfile(accountID: mention.id)
+                    } else if let hashtag = self.noteLabel.getHashtag(for: link.url, text: text) {
+                        return self.actionsForHashtag(hashtag)
+                    } else {
+                        return self.actionsForURL(link.url)
                     }
-        // TODO: should this also have peek/pop for avatar/header images?
+                }
+            )
+        } else {
             return nil
         }
+    }
 }

Tusker/Views/Status/ConversationMainStatusTableViewCell.swift

@@ -234,20 +234,32 @@ extension ConversationMainStatusTableViewCell: AttachmentViewDelegate {
     }
 }
 
-extension ConversationMainStatusTableViewCell: PreviewViewControllerProvider {
+extension ConversationMainStatusTableViewCell: MenuPreviewProvider {
-    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {
+    func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
         if avatarImageView.frame.contains(location) {
-            return ProfileTableViewController(accountID: accountID)
+            return (content: { ProfileTableViewController(accountID: self.accountID) }, actions: { self.actionsForProfile(accountID: self.accountID) })
         } else if attachmentsView.frame.contains(location) {
             let attachmentsViewLocation = attachmentsView.convert(location, from: self)
             if let attachmentView = attachmentsView.subviews.first(where: { $0.frame.contains(attachmentsViewLocation) }) as? AttachmentView {
                 let image = attachmentView.image!
-                let description = attachmentView.description
+                let description = attachmentView.attachment.description
-                return delegate?.largeImage(image, description: description, sourceView: attachmentView)
+                return (content: { self.delegate?.largeImage(image, description: description, sourceView: attachmentView) }, actions: { [] })
             }
         } else if contentLabel.frame.contains(location),
-            let vc = contentLabel.getViewController(forLinkAt: contentLabel.convert(location, from: self)) {
+            let link = contentLabel.getLink(atPoint: contentLabel.convert(location, from: self)) {
-            return vc
+            return (
+                content: { self.contentLabel.getViewController(forLink: link.url, inRange: link.range) },
+                actions: {
+                    let text = (self.contentLabel.text! as NSString).substring(with: link.range)
+                    if let mention = self.contentLabel.getMention(for: link.url, text: text) {
+                        return self.actionsForProfile(accountID: mention.id)
+                    } else if let hashtag = self.contentLabel.getHashtag(for: link.url, text: text) {
+                        return self.actionsForHashtag(hashtag)
+                    } else {
+                        return self.actionsForURL(link.url)
+                    }
+                }
+            )
         }
         return nil
     }

Tusker/Views/Status/StatusTableViewCell.swift

@@ -361,21 +361,35 @@ extension StatusTableViewCell: AttachmentViewDelegate {
     }
 }
 
-extension StatusTableViewCell: PreviewViewControllerProvider {
+extension StatusTableViewCell: MenuPreviewProvider {
-    func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {
+    
+    func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
         if avatarImageView.frame.contains(location) {
-            return ProfileTableViewController(accountID: accountID)
+            return (content: { ProfileTableViewController(accountID: self.accountID) }, actions: { self.actionsForProfile(accountID: self.accountID) })
         } else if attachmentsView.frame.contains(location) {
             let attachmentsViewLocation = attachmentsView.convert(location, from: self)
             if let attachmentView = attachmentsView.subviews.first(where: { $0.frame.contains(attachmentsViewLocation) }) as? AttachmentView {
                 let image = attachmentView.image!
                 let description = attachmentView.attachment.description
-                return delegate?.largeImage(image, description: description, sourceView: attachmentView)
+                return (content: { self.delegate?.largeImage(image, description: description, sourceView: attachmentView) }, actions: { [] })
             }
         } else if contentLabel.frame.contains(location),
-            let vc = contentLabel.getViewController(forLinkAt: contentLabel.convert(location, from: self)) {
+            let link = contentLabel.getLink(atPoint: contentLabel.convert(location, from: self)) {
-            return vc
+            return (
+                content: { self.contentLabel.getViewController(forLink: link.url, inRange: link.range) },
+                actions: {
+                    let text = (self.contentLabel.text! as NSString).substring(with: link.range)
+                    if let mention = self.contentLabel.getMention(for: link.url, text: text) {
+                        return self.actionsForProfile(accountID: mention.id)
+                    } else if let hashtag = self.contentLabel.getHashtag(for: link.url, text: text) {
+                        return self.actionsForHashtag(hashtag)
+                    } else {
+                        return self.actionsForURL(link.url)
                     }
-        return ConversationTableViewController(for: statusID)
                 }
+            )
+        }
+        return (content: { ConversationTableViewController(for: self.statusID) }, actions: { self.actionsForStatus(statusID: self.statusID) })
+    }
+    
 }