feat: Advertise NSUserActivity

Mail/MailApp.swift

@@ -62,6 +62,9 @@ public struct EarlyDIHook {
         let draftManager = Factory(type: DraftManager.self) { _, _ in
             DraftManager()
         }
+        let userActivityController = Factory(type: UserActivityController.self) { _, _ in
+            UserActivityController()
+        }
 
         SimpleResolver.sharedResolver.store(factory: networkLoginService)
         SimpleResolver.sharedResolver.store(factory: loginService)
@@ -72,6 +75,7 @@ public struct EarlyDIHook {
         SimpleResolver.sharedResolver.store(factory: matomoUtils)
         SimpleResolver.sharedResolver.store(factory: avoider)
         SimpleResolver.sharedResolver.store(factory: draftManager)
+        SimpleResolver.sharedResolver.store(factory: userActivityController)
     }
 }
 

Mail/Views/Thread List/ThreadListView.swift

@@ -37,6 +37,7 @@ final class FlushAlertState: Identifiable {
 
 struct ThreadListView: View {
     @LazyInjectService private var matomo: MatomoUtils
+    @LazyInjectService private var userActivityController: UserActivityController
 
     @EnvironmentObject var splitViewManager: SplitViewManager
     @EnvironmentObject var navigationState: NavigationState
@@ -217,9 +218,12 @@ struct ThreadListView: View {
             if viewModel.isCompact {
                 viewModel.selectedThread = nil
             }
+            userActivityController.setCurrentActivity(mailbox: viewModel.mailboxManager.mailbox,
+                                                      folder: splitViewManager.selectedFolder)
         }
         .onChange(of: splitViewManager.selectedFolder) { newFolder in
             changeFolder(newFolder: newFolder)
+            userActivityController.setCurrentActivity(mailbox: viewModel.mailboxManager.mailbox, folder: newFolder)
         }
         .onChange(of: viewModel.selectedThread) { newThread in
             if let newThread {

MailCore/Utils/UserActivityController.swift

@@ -0,0 +1,55 @@
+/*
+ Infomaniak Mail - iOS App
+ Copyright (C) 2022 Infomaniak Network SA
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import Foundation
+import InfomaniakCore
+
+public class UserActivityController {
+    var currentActivity: NSUserActivity?
+
+    public init() {}
+
+    public func setCurrentActivity(
+        _ activity: NSUserActivity = NSUserActivity(activityType: NSUserActivityTypeBrowsingWeb),
+        mailbox: Mailbox,
+        folder: Folder?
+    ) {
+        guard let folder,
+              let mailboxIndex = getMailboxIndexForCustomOrder(mailbox),
+              let remoteURL = URL(string: "https://\(ApiEnvironment.current.mailHost)/\(mailboxIndex);fid=\(folder.id)") else {
+            return
+        }
+        currentActivity?.invalidate()
+        currentActivity = activity
+        currentActivity?.webpageURL = remoteURL
+        currentActivity?.becomeCurrent()
+    }
+
+    private func getMailboxIndexForCustomOrder(_ mailbox: Mailbox) -> Int? {
+        let sortedUserMailboxes = MailboxInfosManager.instance.getMailboxes(for: mailbox.userId).sorted {
+            if $0.isPrimary {
+                return true
+            } else if $1.isPrimary {
+                return false
+            } else {
+                return $0.email < $1.email
+            }
+        }
+        return sortedUserMailboxes.firstIndex { $0.objectId == mailbox.objectId }
+    }
+}