Provide metadata to UIActivityViewController

Closes #56

Tusker.xcodeproj/project.pbxproj

@@ -170,6 +170,8 @@
 		D68015422401A74600D6103B /* MediaPrefsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68015412401A74600D6103B /* MediaPrefsView.swift */; };
 		D681E4D3246E2AFF0053414F /* MuteConversationActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D681E4D2246E2AFF0053414F /* MuteConversationActivity.swift */; };
 		D681E4D5246E2BC30053414F /* UnmuteConversationActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D681E4D4246E2BC30053414F /* UnmuteConversationActivity.swift */; };
+		D681E4D7246E32290053414F /* StatusActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D681E4D6246E32290053414F /* StatusActivityItemSource.swift */; };
+		D681E4D9246E346E0053414F /* AccountActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D681E4D8246E346E0053414F /* AccountActivityItemSource.swift */; };
 		D68232F72464F4FD00325FB8 /* ComposeDrawingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68232F62464F4FD00325FB8 /* ComposeDrawingViewController.swift */; };
 		D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */; };
 		D693DE5723FE1A6A0061E07D /* EnhancedNavigationViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D693DE5623FE1A6A0061E07D /* EnhancedNavigationViewController.swift */; };
@@ -471,6 +473,8 @@
 		D68015412401A74600D6103B /* MediaPrefsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaPrefsView.swift; sourceTree = "<group>"; };
 		D681E4D2246E2AFF0053414F /* MuteConversationActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MuteConversationActivity.swift; sourceTree = "<group>"; };
 		D681E4D4246E2BC30053414F /* UnmuteConversationActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnmuteConversationActivity.swift; sourceTree = "<group>"; };
+		D681E4D6246E32290053414F /* StatusActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusActivityItemSource.swift; sourceTree = "<group>"; };
+		D681E4D8246E346E0053414F /* AccountActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AccountActivityItemSource.swift; sourceTree = "<group>"; };
 		D68232F62464F4FD00325FB8 /* ComposeDrawingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeDrawingViewController.swift; sourceTree = "<group>"; };
 		D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SegmentedPageViewController.swift; sourceTree = "<group>"; };
 		D693DE5623FE1A6A0061E07D /* EnhancedNavigationViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnhancedNavigationViewController.swift; sourceTree = "<group>"; };
@@ -1137,6 +1141,8 @@
 		D6AEBB3F2321640F00E5038B /* Activities */ = {
 			isa = PBXGroup;
 			children = (
+				D681E4D6246E32290053414F /* StatusActivityItemSource.swift */,
+				D681E4D8246E346E0053414F /* AccountActivityItemSource.swift */,
 				D6AEBB3D2321638100E5038B /* UIActivity+Types.swift */,
 				D6AEBB422321685E00E5038B /* OpenInSafariActivity.swift */,
 				D64BC19123C271D9000D0238 /* MastodonActivity.swift */,
@@ -1781,6 +1787,7 @@
 				D66362752137068A00C9CBA2 /* Visibility+Helpers.swift in Sources */,
 				D6DFC6A0242C4CCC00ACC392 /* WeakArray.swift in Sources */,
 				D6C693FC2162FE6F007D6A6D /* LoadingViewController.swift in Sources */,
+				D681E4D7246E32290053414F /* StatusActivityItemSource.swift in Sources */,
 				D646C95A213B5D0500269FB5 /* LargeImageInteractionController.swift in Sources */,
 				D6A3BC7C232195C600FD64D5 /* ActionNotificationGroupTableViewCell.swift in Sources */,
 				D6F953EC212519E700CF0F2B /* TimelineTableViewController.swift in Sources */,
@@ -1800,6 +1807,7 @@
 				0427037C22B316B9000D31B6 /* SilentActionPrefs.swift in Sources */,
 				D6AEBB3E2321638100E5038B /* UIActivity+Types.swift in Sources */,
 				D61AC1D5232E9FA600C54D2D /* InstanceSelectorTableViewController.swift in Sources */,
+				D681E4D9246E346E0053414F /* AccountActivityItemSource.swift in Sources */,
 				D626493F23C101C500612E6E /* AlbumAssetCollectionViewController.swift in Sources */,
 				D68015422401A74600D6103B /* MediaPrefsView.swift in Sources */,
 				D6757A7E2157E02600721E32 /* XCBRequestSpec.swift in Sources */,

Tusker/Activities/AccountActivityItemSource.swift

@@ -0,0 +1,39 @@
+//
+//  AccountActivityItemSource.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/14/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import LinkPresentation
+
+class AccountActivityItemSource: NSObject, UIActivityItemSource {
+    let account: AccountMO
+    
+    init(_ account: AccountMO) {
+        self.account = account
+    }
+    
+    func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
+        return account
+    }
+    
+    func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivity.ActivityType?) -> Any? {
+        return account
+    }
+    
+    func activityViewControllerLinkMetadata(_ activityViewController: UIActivityViewController) -> LPLinkMetadata? {
+        let metadata = LPLinkMetadata()
+        metadata.originalURL = account.url
+        metadata.url = account.url
+        metadata.title = "\(account.displayName) (@\(account.username)@\(account.url.host!)"
+        if let data = ImageCache.avatars.get(account.avatar),
+            let image = UIImage(data: data) {
+            metadata.iconProvider = NSItemProvider(object: image)
+        }
+        return metadata
+    }
+    
+}

Tusker/Activities/StatusActivityItemSource.swift

@@ -0,0 +1,42 @@
+//
+//  StatusActivityItemSource.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/14/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import LinkPresentation
+import SwiftSoup
+
+class StatusActivityItemSource: NSObject, UIActivityItemSource {
+    let status: StatusMO
+    
+    init(_ status: StatusMO) {
+        self.status = status
+    }
+    
+    func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
+        return status
+    }
+    
+    func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivity.ActivityType?) -> Any? {
+        return status
+    }
+    
+    func activityViewControllerLinkMetadata(_ activityViewController: UIActivityViewController) -> LPLinkMetadata? {
+        let metadata = LPLinkMetadata()
+        metadata.originalURL = status.url!
+        metadata.url = status.url!
+        let doc = try! SwiftSoup.parse(status.content)
+        let content = try! doc.text()
+        metadata.title = "\(status.account.displayName): \"\(content)\""
+        if let data = ImageCache.avatars.get(status.account.avatar),
+            let image = UIImage(data: data) {
+            metadata.iconProvider = NSItemProvider(object: image)
+        }
+        return metadata
+    }
+
+}

Tusker/Screens/Profile/ProfileTableViewController.swift

@@ -297,7 +297,7 @@ extension ProfileTableViewController: ProfileHeaderTableViewCellDelegate {
             }
             
             DispatchQueue.main.async {
-                let activityController = UIActivityViewController(activityItems: [account.url, account], applicationActivities: customActivities)
+                let activityController = UIActivityViewController(activityItems: [account.url, AccountActivityItemSource(account)], applicationActivities: customActivities)
                 activityController.completionWithItemsHandler = OpenInSafariActivity.completionHandler(viewController: self, url: account.url)
                 activityController.popoverPresentationController?.sourceView = cell.moreButtonVisualEffectView
                 self.present(activityController, animated: true)

Tusker/TuskerNavigationDelegate.swift

@@ -217,14 +217,21 @@ extension TuskerNavigationDelegate where Self: UIViewController {
             customActivites.insert(pinned ? UnpinStatusActivity() : PinStatusActivity(), at: 1)
         }
         
-        let activityController = UIActivityViewController(activityItems: [url, status], applicationActivities: customActivites)
+        let activityController = UIActivityViewController(activityItems: [url, StatusActivityItemSource(status)], applicationActivities: customActivites)
         activityController.completionWithItemsHandler = OpenInSafariActivity.completionHandler(viewController: self, url: url)
         return activityController
     }
     
     private func moreOptions(forAccount accountID: String) -> UIActivityViewController {
         guard let account = apiController.persistentContainer.account(for: accountID) else { fatalError("Missing cached account \(accountID)") }
-        return moreOptions(forURL: account.url)
+        
+        let customActivities: [UIActivity] = [
+            OpenInSafariActivity(),
+        ]
+        
+        let activityController = UIActivityViewController(activityItems: [account.url, AccountActivityItemSource(account)], applicationActivities: customActivities)
+        activityController.completionWithItemsHandler = OpenInSafariActivity.completionHandler(viewController: self, url: account.url)
+        return activityController
     }
     
     func showMoreOptions(forStatus statusID: String, sourceView: UIView?) {