Present compose screen in new window on iOS 15 and iPad/Mac

Tusker/ComposeSceneDelegate.swift

@@ -17,21 +17,39 @@ class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate {
             return
         }
         
+        guard LocalData.shared.onboardingComplete else {
+            UIApplication.shared.requestSceneSessionDestruction(session, options: nil, errorHandler: nil)
+            return
+        }
+        
         let account: LocalData.UserAccountInfo
+        let controller: MastodonController
         let draft: Draft?
         
-        if let activity = connectionOptions.userActivities.first ?? session.stateRestorationActivity,
+        if let activity = connectionOptions.userActivities.first ?? session.stateRestorationActivity {
-           let activityAccount = UserActivityManager.getAccount(from: activity) {
+            if let activityAccount = UserActivityManager.getAccount(from: activity) {
                 account = activityAccount
-            draft = UserActivityManager.getDraft(from: activity)
+            } else {
+                // todo: this potentially changes the account for the draft, should show the same warning to user as in the drafts selection screen
+                account = LocalData.shared.getMostRecentAccount()!
+            }
+            
+            controller = MastodonController.getForAccount(account)
+            
+            if let activityDraft = UserActivityManager.getDraft(from: activity) {
+                draft = activityDraft
+            } else if let mentioning = activity.userInfo?["mentioning"] as? String {
+                draft = controller.createDraft(inReplyToID: nil, mentioningAcct: mentioning)
+            } else {
+                draft = nil
+            }
         } else {
             account = LocalData.shared.getMostRecentAccount()!
+            controller = MastodonController.getForAccount(account)
             draft = nil
         }
         
-        let controller = MastodonController.getForAccount(account)
         session.mastodonController = controller
-        
         controller.getOwnAccount()
         controller.getOwnInstance()
         

Tusker/Screens/Main/MainSplitViewController.swift

@@ -353,11 +353,18 @@ fileprivate extension MainSidebarViewController.Item {
 
 extension MainSplitViewController: TuskerRootViewController {
     @objc func presentCompose() {
+        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+            let compose = UserActivityManager.newPostActivity(mentioning: nil, accountID: mastodonController.accountInfo!.id)
+            let options = UIWindowScene.ActivationRequestOptions()
+            options.preferredPresentationStyle = .prominent
+            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: compose, options: options, errorHandler: nil)
+        } else {
             let vc = ComposeHostingController(mastodonController: mastodonController)
             let nav = EnhancedNavigationViewController(rootViewController: vc)
             nav.presentationController?.delegate = vc
             present(nav, animated: true)
         }
+    }
     
     func select(tab: MainTabBarViewController.Tab) {
         if traitCollection.horizontalSizeClass == .compact {

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -212,11 +212,18 @@ extension MainTabBarViewController: FastAccountSwitcherViewControllerDelegate {
 
 extension MainTabBarViewController: TuskerRootViewController {
     @objc func presentCompose() {
+        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+            let compose = UserActivityManager.newPostActivity(mentioning: nil, accountID: mastodonController.accountInfo!.id)
+            let options = UIWindowScene.ActivationRequestOptions()
+            options.preferredPresentationStyle = .prominent
+            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: compose, options: options, errorHandler: nil)
+        } else {
             let vc = ComposeHostingController(mastodonController: mastodonController)
             let nav = EnhancedNavigationViewController(rootViewController: vc)
             nav.presentationController?.delegate = vc
             present(nav, animated: true)
         }
+    }
     
     func select(tab: Tab) {
         if tab == .compose {

Tusker/Shortcuts/UserActivityManager.swift

@@ -70,6 +70,7 @@ class UserActivityManager {
         // TODO: check not currently showing compose screen
         let mentioning = activity.userInfo?["mentioning"] as? String
         let draft = mastodonController.createDraft(mentioningAcct: mentioning)
+        // todo: this shouldn't use self.mastodonController, it should get the right one based on the userInfo accountID
         let composeVC = ComposeHostingController(draft: draft, mastodonController: mastodonController)
         present(UINavigationController(rootViewController: composeVC))
     }

Tusker/TuskerNavigationDelegate.swift

@@ -89,15 +89,22 @@ extension TuskerNavigationDelegate {
     }
     
     func compose(editing draft: Draft) {
+        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+            let compose = UserActivityManager.editDraftActivity(id: draft.id, accountID: apiController.accountInfo!.id)
+            let options = UIWindowScene.ActivationRequestOptions()
+            options.preferredPresentationStyle = .prominent
+            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: compose, options: options, errorHandler: nil)
+        } else {
             let compose = ComposeHostingController(draft: draft, mastodonController: apiController)
-        
+            let nav = UINavigationController(rootViewController: compose)
-        let vc = UINavigationController(rootViewController: compose)
+            nav.presentationController?.delegate = compose
-        vc.presentationController?.delegate = compose
+            present(nav, animated: true)
-        present(vc, animated: true)
+        }
     }
     
     func compose(inReplyToID: String? = nil, mentioningAcct: String? = nil) {
         let draft = apiController.createDraft(inReplyToID: inReplyToID, mentioningAcct: mentioningAcct)
+        DraftsManager.shared.add(draft)
         compose(editing: draft)
     }