Leaving session when clicking SharePlay button during session

WWDC/AppCoordinator.swift

@@ -592,6 +592,20 @@ final class AppCoordinator {
     func startSharePlay() {
         guard #available(macOS 12.0, *) else { return }
 
+        if case .session = SharePlayManager.shared.state {
+            let alert = NSAlert()
+            alert.messageText = "Leave SharePlay?"
+            alert.informativeText = "Are you sure you'd like to leave this SharePlay session?"
+            alert.addButton(withTitle: "Cancel")
+            alert.addButton(withTitle: "Leave")
+
+            if alert.runModal() == .alertSecondButtonReturn {
+                SharePlayManager.shared.leaveActivity()
+            }
+
+            return
+        }
+
         guard let viewModel = selectedSessionValue else {
             let alert = NSAlert()
             alert.messageText = "Select a Session"

WWDC/SharePlayManager.swift

@@ -111,5 +111,11 @@ final class SharePlayManager: ObservableObject {
             }
         }
     }
+
+    func leaveActivity() {
+        guard case .session(let session) = state else { return }
+
+        session.leave()
+    }
 
 }

WWDC/SharePlayStatusView.swift

@@ -44,8 +44,6 @@ struct SharePlayStatusView: View {
                     }
                 }
                 .disabled(viewModel.state == .loading)
-            } else {
-                EmptyView()
             }
         }
     }