From eec2adbfd9ed4bd9a8e4977d4fbc9e7808248169 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Sun, 2 Jun 2024 10:10:16 -0700
Subject: [PATCH] Set target content identifiers on scenes/activities

---
 NotificationExtension/NotificationService.swift  | 1 +
 Tusker/AppDelegate.swift                         | 7 ++++++-
 Tusker/Scenes/AuxiliarySceneDelegate.swift       | 3 ++-
 Tusker/Scenes/ComposeSceneDelegate.swift         | 2 ++
 Tusker/Scenes/MainSceneDelegate.swift            | 2 ++
 Tusker/Shortcuts/NSUserActivity+Extensions.swift | 1 +
 6 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/NotificationExtension/NotificationService.swift b/NotificationExtension/NotificationService.swift
index be2c6e43..965c1f92 100644
--- a/NotificationExtension/NotificationService.swift
+++ b/NotificationExtension/NotificationService.swift
@@ -63,6 +63,7 @@ class NotificationService: UNNotificationServiceExtension {
         mutableContent.body = notification.body
         mutableContent.userInfo["notificationID"] = notification.notificationID
         mutableContent.userInfo["accountID"] = accountID
+        mutableContent.targetContentIdentifier = accountID
 
         let task = Task {
             await updateNotificationContent(mutableContent, account: account, push: notification)
diff --git a/Tusker/AppDelegate.swift b/Tusker/AppDelegate.swift
index c24d1d9d..f33ee29e 100644
--- a/Tusker/AppDelegate.swift
+++ b/Tusker/AppDelegate.swift
@@ -295,7 +295,12 @@ extension AppDelegate: UNUserNotificationCenterDelegate {
             rootViewController.getNavigationController().pushViewController(vc, animated: false)
         } else {
             let activity = UserActivityManager.showNotificationActivity(id: notificationID, accountID: accountID)
-            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: nil)
+            if #available(iOS 17.0, *) {
+                let request = UISceneSessionActivationRequest(userActivity: activity)
+                UIApplication.shared.activateSceneSession(for: request)
+            } else {
+                UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: nil)
+            }
         }
         completionHandler()
     }
diff --git a/Tusker/Scenes/AuxiliarySceneDelegate.swift b/Tusker/Scenes/AuxiliarySceneDelegate.swift
index 284516a7..2b48bde0 100644
--- a/Tusker/Scenes/AuxiliarySceneDelegate.swift
+++ b/Tusker/Scenes/AuxiliarySceneDelegate.swift
@@ -32,8 +32,9 @@ class AuxiliarySceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDel
         }
         launchActivity = activity
         
+        scene.activationConditions.canActivateForTargetContentIdentifierPredicate = NSPredicate(value: false)
+
         let account: UserAccountInfo
-        
         if let activityAccount = UserActivityManager.getAccount(from: activity) {
             account = activityAccount
         } else if let mostRecent = UserAccountsManager.shared.getMostRecentAccount() {
diff --git a/Tusker/Scenes/ComposeSceneDelegate.swift b/Tusker/Scenes/ComposeSceneDelegate.swift
index bea636f1..b86d95e6 100644
--- a/Tusker/Scenes/ComposeSceneDelegate.swift
+++ b/Tusker/Scenes/ComposeSceneDelegate.swift
@@ -29,6 +29,8 @@ class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDeleg
             return
         }
         
+        scene.activationConditions.canActivateForTargetContentIdentifierPredicate = NSPredicate(value: false)
+
         let account: UserAccountInfo
         let controller: MastodonController
         let draft: Draft?
diff --git a/Tusker/Scenes/MainSceneDelegate.swift b/Tusker/Scenes/MainSceneDelegate.swift
index b83de24c..3eddbb75 100644
--- a/Tusker/Scenes/MainSceneDelegate.swift
+++ b/Tusker/Scenes/MainSceneDelegate.swift
@@ -225,6 +225,8 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
             window!.windowScene!.title = account.instanceURL.host!
         }
         
+        window!.windowScene!.activationConditions.prefersToActivateForTargetContentIdentifierPredicate = NSPredicate(format: "self == %@", account.id)
+        
         if let container = window?.rootViewController as? AccountSwitchingContainerViewController {
             let direction: AccountSwitchingContainerViewController.AnimationDirection
             if animated,
diff --git a/Tusker/Shortcuts/NSUserActivity+Extensions.swift b/Tusker/Shortcuts/NSUserActivity+Extensions.swift
index d1dcacc2..7a460a72 100644
--- a/Tusker/Shortcuts/NSUserActivity+Extensions.swift
+++ b/Tusker/Shortcuts/NSUserActivity+Extensions.swift
@@ -39,6 +39,7 @@ extension NSUserActivity {
         self.userInfo = [
             "accountID": accountID
         ]
+        self.targetContentIdentifier = accountID
     }
     
     @MainActor