macOS: Ignore bogus reopen because of login item helper

The bogus reopen occurs because the SMLoginItemSetEnabled actually runs
the helper app immediately. The helper app attempts to launch the main
app, causing a reopen Apple event (rapp) to be sent.

Signed-off-by: Roopesh Chander <roop@roopc.net>

2 files changed, 17 insertions, 1 deletions

diff --git a/WireGuard/WireGuard/UI/macOS/AppDelegate.swift b/WireGuard/WireGuard/UI/macOS/AppDelegate.swift
index c897111..453a152 100644
--- a/WireGuard/WireGuard/UI/macOS/AppDelegate.swift
+++ b/WireGuard/WireGuard/UI/macOS/AppDelegate.swift
@@ -58,6 +58,11 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     }
 
     func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows: Bool) -> Bool {
+        if let appleEvent = NSAppleEventManager.shared().currentAppleEvent {
+            if LaunchedAtLoginDetector.isReopenedByLoginItemHelper(reopenAppleEvent: appleEvent) {
+                return false
+            }
+        }
         if hasVisibleWindows {
             return true
         }
diff --git a/WireGuard/WireGuard/UI/macOS/LaunchedAtLoginDetector.swift b/WireGuard/WireGuard/UI/macOS/LaunchedAtLoginDetector.swift
index 185aced..0d8e3d8 100644
--- a/WireGuard/WireGuard/UI/macOS/LaunchedAtLoginDetector.swift
+++ b/WireGuard/WireGuard/UI/macOS/LaunchedAtLoginDetector.swift
@@ -4,14 +4,25 @@
 import Cocoa
 
 class LaunchedAtLoginDetector {
+    static let launchCode = "LaunchedByWireGuardLoginItemHelper"
+
     static func isLaunchedAtLogin(openAppleEvent: NSAppleEventDescriptor) -> Bool {
-        let launchCode = "LaunchedByWireGuardLoginItemHelper"
         guard isOpenEvent(openAppleEvent) else { return false }
         guard let propData = openAppleEvent.paramDescriptor(forKeyword: keyAEPropData) else { return false }
         return propData.stringValue == launchCode
     }
+
+    static func isReopenedByLoginItemHelper(reopenAppleEvent: NSAppleEventDescriptor) -> Bool {
+        guard isReopenEvent(reopenAppleEvent) else { return false }
+        guard let propData = reopenAppleEvent.paramDescriptor(forKeyword: keyAEPropData) else { return false }
+        return propData.stringValue == launchCode
+    }
 }
 
 private func isOpenEvent(_ event: NSAppleEventDescriptor) -> Bool {
     return event.eventClass == kCoreEventClass && event.eventID == kAEOpenApplication
 }
+
+private func isReopenEvent(_ event: NSAppleEventDescriptor) -> Bool {
+    return event.eventClass == kCoreEventClass && event.eventID == kAEReopenApplication
+}