Add "Send to Lemmy User" action to share sheet

Mlem/App/Utility/Extensions/Content Models/ActorIdentifiable+Extensions.swift

@@ -10,7 +10,25 @@ import MlemMiddleware
 
 extension ActorIdentifiable {
     func shareAction() -> ShareAction {
-        .init(id: "share\(actorId)", url: actorId.url)
+        .init(id: "share\(actorId)", url: actorId.url, actions: [sendLinkInPrivateMessageAction()])
+    }
+
+    func sendLinkInPrivateMessageAction() -> BasicAction {
+        .init(
+            id: "sendLinkInPrivateMessage\(actorId)",
+            appearance: .init(
+                label: "Send to Lemmy User",
+                color: Palette.main.accent,
+                icon: Icons.personCircle
+            ),
+            callback: {
+                NavigationModel.main.openSheet(.personPicker(callback: { person, navigation in
+                    navigation.push(
+                        .messageFeed(person, messageContent: String(describing: actorId), focusTextField: true)
+                    )
+                }))
+            }
+        )
     }
 
     func openInstanceAction(navigation: NavigationLayer?) -> BasicAction {

Mlem/App/Utility/Extensions/Content Models/Post1Providing+Extensions.swift

@@ -314,7 +314,11 @@ extension Post1Providing {
 
     // Overrides the `ActorIdentifiable+Extensions` implementation
     func shareAction() -> ShareAction {
-        .init(id: "share\(actorId)", url: actorId.url, actions: [crossPostAction()])
+        .init(
+            id: "share\(actorId)",
+            url: actorId.url,
+            actions: [crossPostAction(), sendLinkInPrivateMessageAction()]
+        )
     }
 
     func crossPostAction() -> BasicAction {

Mlem/App/Views/Pages/MessageFeedView/MessageFeedView+Logic.swift

@@ -10,6 +10,11 @@ import MlemMiddleware
 import SwiftUI
 
 extension MessageFeedView {
+    var shouldDelayBecomeFirstResponder: Bool {
+        // Only delay the keyboard opening if being pushed onto the navigation stack rather than opening in sheet
+        !navigation.isAtRoot
+    }
+
     func sendMessage(_ scrollProxy: ScrollViewProxy) async {
         do {
             guard let person = person.wrappedValue as? any Person, !textView.text.isEmpty else { return }

Mlem/App/Views/Pages/MessageFeedView/MessageFeedView.swift

@@ -8,6 +8,7 @@
 import MlemMiddleware
 import SwiftUI
 
+// swiftlint:disable:next type_body_length
 struct MessageFeedView: View {
     @Environment(AppState.self) var appState
     @Environment(NavigationLayer.self) var navigation
@@ -20,15 +21,18 @@ struct MessageFeedView: View {
 
     let timer = Timer.publish(every: 5, on: .main, in: .common).autoconnect()
 
-    init(person: AnyPerson, focusTextField: Bool, editing: (any Message)?) {
+    init(
+        person: AnyPerson,
+        messageContent: String = "",
+        focusTextField: Bool,
+        editing: (any Message)?
+    ) {
         self.person = person
         self.focusTextField = focusTextField
         self._editing = .init(wrappedValue: editing)
-        if let editing {
-            let textView = UITextView()
-            textView.text = editing.content
-            _textView = .init(wrappedValue: textView)
-        }
+        let textView = UITextView()
+        textView.text = editing?.content ?? messageContent
+        _textView = .init(wrappedValue: textView)
     }
 
     @State var feedLoader: MessageFeedLoader?
@@ -235,7 +239,7 @@ struct MessageFeedView: View {
                 bottom: Constants.main.standardSpacing,
                 right: Constants.main.standardSpacing
             ),
-            firstResponder: focusTextField,
+            firstResponder: focusTextField && !shouldDelayBecomeFirstResponder,
             sizingOffset: 5,
             content: {
                 MarkdownEditorToolbarView(
@@ -249,6 +253,13 @@ struct MessageFeedView: View {
             maxWidth: .infinity,
             minHeight: minTextEditorHeight
         )
+        .onAppear {
+            if focusTextField, shouldDelayBecomeFirstResponder {
+                DispatchQueue.main.asyncAfter(deadline: .now() + 0.6) {
+                    textView.becomeFirstResponder()
+                }
+            }
+        }
     }
 
     @ViewBuilder

Mlem/App/Views/Shared/Navigation/NavigationLayer.swift

@@ -64,6 +64,8 @@ class NavigationLayer: Identifiable {
     @MainActor
     func push(_ page: NavigationPage) {
         if hasNavigationStack {
+            // This prevents keyboard animation glitches when navigating whilst the keyboard is open
+            UIApplication.shared.firstKeyWindow?.endEditing(true)
             path.append(page)
         } else {
             openSheet(page)
@@ -99,6 +101,8 @@ class NavigationLayer: Identifiable {
         path.removeAll()
     }
 
+    var isAtRoot: Bool { path.isEmpty }
+
     /// Open a new sheet, optionally with navigation enabled. If `nil` is specified for `hasNavigationStack`, the value of `page.hasNavigationStack` will be used.
     @MainActor
     func openSheet(_ page: NavigationPage, hasNavigationStack: Bool? = nil) {

Mlem/App/Views/Shared/Navigation/NavigationPage+View.swift

@@ -161,8 +161,13 @@ extension NavigationPage {
             AdvancedSortView(selectedSort: sort.wrappedValue)
         case let .votesList(target):
             VotesListView(target: target)
-        case let .messageFeed(person, focusTextField: focusTextField, editing: editing):
-            MessageFeedView(person: person, focusTextField: focusTextField, editing: editing?.wrappedValue)
+        case let .messageFeed(person, messageContent: messageContent, focusTextField: focusTextField, editing: editing):
+            MessageFeedView(
+                person: person,
+                messageContent: messageContent,
+                focusTextField: focusTextField,
+                editing: editing?.wrappedValue
+            )
         case let .modlog(target):
             ModlogView(initialTarget: target)
         case let .denyApplication(application):

Mlem/App/Views/Shared/Navigation/NavigationPage.swift

@@ -28,7 +28,7 @@ enum NavigationPage: Hashable {
     case person(_ person: AnyPerson, visitContext: VisitHistory.VisitContext)
     case instance(_ instance: InstanceHashWrapper, visitContext: VisitHistory.VisitContext)
     case instanceOpinionList(instance: InstanceHashWrapper, opinionType: FediseerOpinionType, data: FediseerData)
-    case messageFeed(_ person: AnyPerson, focusTextField: Bool, editing: MessageHashWrapper?)
+    case messageFeed(_ person: AnyPerson, messageContent: String, focusTextField: Bool, editing: MessageHashWrapper?)
     case fediseerInfo
     case externalApiInfo(api: ApiClient, actorId: ActorIdentifier)
     case imageViewer(_ url: URL)
@@ -133,14 +133,20 @@ enum NavigationPage: Hashable {
 
     static func messageFeed(
         _ person: any PersonStubProviding,
+        messageContent: String = "",
         focusTextField: Bool = false,
         editing: (any Message1Providing)? = nil
     ) -> NavigationPage {
         var editingWrapper: MessageHashWrapper?
         if let editing {
             editingWrapper = .init(wrappedValue: editing)
         }
-        return messageFeed(.init(person), focusTextField: focusTextField, editing: editingWrapper)
+        return messageFeed(
+            .init(person),
+            messageContent: messageContent,
+            focusTextField: focusTextField,
+            editing: editingWrapper
+        )
     }
 
     static func instance(

Mlem/Localizable.xcstrings

@@ -2083,6 +2083,9 @@
     },
     "Send Notifications to Email" : {
 
+    },
+    "Send to Lemmy User" : {
+
     },
     "Sent %@" : {