macOS: Don't show manage window when launched at login

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

WireGuard/WireGuard.xcodeproj/project.pbxproj

@@ -68,6 +68,7 @@
 		6F628C3D217F09E9003482A3 /* TunnelViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F628C3C217F09E9003482A3 /* TunnelViewModel.swift */; };
 		6F628C3F217F3413003482A3 /* DNSServer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F628C3E217F3413003482A3 /* DNSServer.swift */; };
 		6F628C41217F47DB003482A3 /* TunnelDetailTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F628C40217F47DB003482A3 /* TunnelDetailTableViewController.swift */; };
+		6F6483E7229293300075BA15 /* LaunchedAtLoginDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F6483E6229293300075BA15 /* LaunchedAtLoginDetector.swift */; };
 		6F6899A62180447E0012E523 /* x25519.c in Sources */ = {isa = PBXBuildFile; fileRef = 6F6899A52180447E0012E523 /* x25519.c */; };
 		6F6899A8218044FC0012E523 /* Curve25519.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F6899A7218044FC0012E523 /* Curve25519.swift */; };
 		6F693A562179E556008551C1 /* Endpoint.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F693A552179E556008551C1 /* Endpoint.swift */; };
@@ -320,6 +321,7 @@
 		6F628C3C217F09E9003482A3 /* TunnelViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TunnelViewModel.swift; sourceTree = "<group>"; };
 		6F628C3E217F3413003482A3 /* DNSServer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DNSServer.swift; sourceTree = "<group>"; };
 		6F628C40217F47DB003482A3 /* TunnelDetailTableViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TunnelDetailTableViewController.swift; sourceTree = "<group>"; };
+		6F6483E6229293300075BA15 /* LaunchedAtLoginDetector.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LaunchedAtLoginDetector.swift; sourceTree = "<group>"; };
 		6F689999218043390012E523 /* WireGuard-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "WireGuard-Bridging-Header.h"; sourceTree = "<group>"; };
 		6F6899A42180447E0012E523 /* x25519.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = x25519.h; sourceTree = "<group>"; };
 		6F6899A52180447E0012E523 /* x25519.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = x25519.c; sourceTree = "<group>"; };
@@ -638,6 +640,7 @@
 				6FBA104121D6BC210051C35F /* ErrorPresenter.swift */,
 				6FCD99AE21E0EA1700BA4C82 /* ImportPanelPresenter.swift */,
 				6F2449E7226587B80047B9E9 /* MacAppStoreUpdateDetector.swift */,
+				6F6483E6229293300075BA15 /* LaunchedAtLoginDetector.swift */,
 				6FB1BD6121D2607E00A991BF /* Assets.xcassets */,
 				6FB1BD6621D2607E00A991BF /* Info.plist */,
 				6FB1BD6721D2607E00A991BF /* WireGuard.entitlements */,
@@ -1295,6 +1298,7 @@
 				6F3E02E9228000F6001FE7E3 /* MainMenu.swift in Sources */,
 				5F52D0BF21E3788900283CEA /* NSColor+Hex.swift in Sources */,
 				6FB1BDBE21D50F0200A991BF /* Logger.swift in Sources */,
+				6F6483E7229293300075BA15 /* LaunchedAtLoginDetector.swift in Sources */,
 				6FB1BDBF21D50F0200A991BF /* TunnelConfiguration+WgQuickConfig.swift in Sources */,
 				6FADE96C2254B8C300B838A4 /* UnusableTunnelDetailViewController.swift in Sources */,
 				6FFACD2021E4D8D500E9A2A5 /* ParseError+WireGuardAppError.swift in Sources */,

WireGuard/WireGuard/UI/macOS/AppDelegate.swift

@@ -18,7 +18,14 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         Logger.configureGlobal(tagged: "APP", withFilePath: FileManager.logFileURL?.path)
         registerLoginItem(shouldLaunchAtLogin: true)
 
-        NSApp.setActivationPolicy(.regular)
+        var isLaunchedAtLogin = false
+        if let appleEvent = NSAppleEventManager.shared().currentAppleEvent {
+            isLaunchedAtLogin = LaunchedAtLoginDetector.isLaunchedAtLogin(openAppleEvent: appleEvent)
+        }
+
+        if !isLaunchedAtLogin {
+            NSApp.setActivationPolicy(.regular)
+        }
         NSApp.mainMenu = MainMenu()
 
         TunnelsManager.create { [weak self] result in
@@ -42,7 +49,9 @@ class AppDelegate: NSObject, NSApplicationDelegate {
                 self.tunnelsTracker = tunnelsTracker
                 self.statusItemController = statusItemController
 
-                self.showManageTunnelsWindow(completion: nil)
+                if !isLaunchedAtLogin {
+                    self.showManageTunnelsWindow(completion: nil)
+                }
             }
         }
     }

WireGuard/WireGuard/UI/macOS/LaunchedAtLoginDetector.swift

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class LaunchedAtLoginDetector {
+    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
+    }
+}
+
+private func isOpenEvent(_ event: NSAppleEventDescriptor) -> Bool {
+    if let eventClassDescriptor = event.attributeDescriptor(forKeyword: keyEventClassAttr),
+        let eventIdDescriptor = event.attributeDescriptor(forKeyword: keyEventIDAttr) {
+        return eventClassDescriptor.typeCodeValue == kCoreEventClass && eventIdDescriptor.typeCodeValue == kAEOpenApplication
+    }
+    return false
+}

WireGuard/WireGuard/UI/macOS/LoginItemHelper/Info.plist

@@ -30,5 +30,7 @@
 	<string>NSApplication</string>
 	<key>LSBackgroundOnly</key>
 	<true/>
+	<key>com.wireguard.macos.app_id</key>
+	<string>$(APP_ID_MACOS)</string>
 </dict>
 </plist>

WireGuard/WireGuard/UI/macOS/LoginItemHelper/main.m

@@ -5,12 +5,13 @@
 
 int main(int argc, char *argv[])
 {
-    NSURL *bundleURL = [NSBundle.mainBundle bundleURL];
+    NSString *appIdInfoDictionaryKey = @"com.wireguard.macos.app_id";
+    NSString *appId = [NSBundle.mainBundle objectForInfoDictionaryKey:appIdInfoDictionaryKey];
 
-    // From <path>/WireGuard.app/Contents/Library/LoginItems/WireGuardLoginItemHelper.app, derive <path>/WireGuard.app
+    NSString *launchCode = @"LaunchedByWireGuardLoginItemHelper";
-    for (int i = 0; i < 4; ++i)
+    NSAppleEventDescriptor *paramDescriptor = [NSAppleEventDescriptor descriptorWithString:launchCode];
-        bundleURL = [bundleURL URLByDeletingLastPathComponent];
 
-    [NSWorkspace.sharedWorkspace launchApplication:[bundleURL path]];
+    [NSWorkspace.sharedWorkspace launchAppWithBundleIdentifier:appId options:NSWorkspaceLaunchWithoutActivation
+                                additionalEventParamDescriptor:paramDescriptor launchIdentifier:NULL];
     return 0;
 }