Misc tidy up

v2/internal/app/desktop.go

@@ -45,8 +45,8 @@ type App struct {
 	appconfigStore *runtime.Store
 
 	// Startup/Shutdown
-	startup  func(*runtime.Runtime)
+	startupCallback  func(*runtime.Runtime)
-	shutdown func()
+	shutdownCallback func()
 }
 
 // Create App
@@ -85,8 +85,8 @@ func CreateApp(appoptions *options.App) (*App, error) {
 		logger:           myLogger,
 		bindings:         binding.NewBindings(myLogger),
 		menuManager:      menuManager,
-		startup:     appoptions.Startup,
+		startupCallback:  appoptions.Startup,
-		shutdown:    appoptions.Shutdown,
+		shutdownCallback: appoptions.Shutdown,
 	}
 
 	result.options = appoptions
@@ -118,7 +118,7 @@ func (a *App) Run() error {
 		return err
 	}
 
-	runtimesubsystem, err := subsystem.NewRuntime(a.servicebus, a.logger)
+	runtimesubsystem, err := subsystem.NewRuntime(a.servicebus, a.logger, a.startupCallback, a.shutdownCallback)
 	if err != nil {
 		return err
 	}

v2/internal/ffenestri/ffenestri_darwin.c

@@ -21,10 +21,6 @@ int debug;
 // A cache for all our dialog icons
 struct hashmap_s dialogIconCache;
 
-// Context menu data is given by the frontend when clicking a context menu.
-// We send this to the backend when an item is selected;
-const char *contextMenuData;
-
 // Dispatch Method
 typedef void (^dispatchMethod)(void);
 
@@ -255,6 +251,10 @@ void messageHandler(id self, SEL cmd, id contentController, id message) {
 
 		// TODO: Check this actually does reduce flicker
 		msg(app->config, s("setValue:forKey:"), msg(c("NSNumber"), s("numberWithBool:"), 0), str("suppressesIncrementalRendering"));
+
+		// Notify backend we are ready (system startup)
+        app->sendMessageToBackend("SS");
+
 	} else if( strcmp(name, "windowDrag") == 0 ) {
 		// Guard against null events
 		if( app->mouseEvent != NULL ) {
@@ -633,6 +633,8 @@ extern void MessageDialog(struct Application *app, char *callbackID, char *type,
 	        dialogIcon = icon;
 	    }
 
+	    // TODO: move dialog icons + methods to own file
+
 	    // Determine what dialog icon we are looking for
 	    id dialogImage = NULL;
 	    // Look for `name-theme2x` first
@@ -1501,6 +1503,9 @@ void Run(struct Application *app, int argc, char **argv) {
 		makeWindowBackgroundTranslucent(app);
 	}
 
+    // We set it to be invisible by default. It will become visible when everything has initialised
+    msg(app->mainWindow, s("setIsVisible:"), NO);
+
 	// Setup webview
 	id config = msg(c("WKWebViewConfiguration"), s("new"));
 	msg(config, s("setValue:forKey:"), msg(c("NSNumber"), s("numberWithBool:"), 1), str("suppressesIncrementalRendering"));
@@ -1651,9 +1656,6 @@ void Run(struct Application *app, int argc, char **argv) {
 	// Process dialog icons
 	processUserDialogIcons(app);
 
-	// We set it to be invisible by default. It will become visible when everything has initialised
-	msg(app->mainWindow, s("setIsVisible:"), NO);
-
 	// Finally call run
 	Debug(app, "Run called");
 	msg(app->application, s("run"));

v2/internal/runtime/system.go

@@ -44,6 +44,7 @@ func (r *system) IsDarkMode() bool {
 	systemResponseChannel, err := r.bus.Subscribe(responseTopic)
 	if err != nil {
 		fmt.Printf("ERROR: Cannot subscribe to bus topic: %+v\n", err.Error())
+		return false
 	}
 
 	message := "system:isdarkmode:" + uniqueCallback

v2/internal/subsystem/runtime.go

@@ -14,6 +14,12 @@ import (
 type Runtime struct {
 	quitChannel    <-chan *servicebus.Message
 	runtimeChannel <-chan *servicebus.Message
+
+	// The hooks channel allows us to hook into frontend startup
+	hooksChannel     <-chan *servicebus.Message
+	startupCallback  func(*runtime.Runtime)
+	shutdownCallback func()
+
 	running bool
 
 	logger logger.CustomLogger
@@ -23,7 +29,7 @@ type Runtime struct {
 }
 
 // NewRuntime creates a new runtime subsystem
-func NewRuntime(bus *servicebus.ServiceBus, logger *logger.Logger) (*Runtime, error) {
+func NewRuntime(bus *servicebus.ServiceBus, logger *logger.Logger, startupCallback func(*runtime.Runtime), shutdownCallback func()) (*Runtime, error) {
 
 	// Register quit channel
 	quitChannel, err := bus.Subscribe("quit")
@@ -37,11 +43,20 @@ func NewRuntime(bus *servicebus.ServiceBus, logger *logger.Logger) (*Runtime, er
 		return nil, err
 	}
 
+	// Subscribe to log messages
+	hooksChannel, err := bus.Subscribe("hooks:")
+	if err != nil {
+		return nil, err
+	}
+
 	result := &Runtime{
 		quitChannel:      quitChannel,
 		runtimeChannel:   runtimeChannel,
+		hooksChannel:     hooksChannel,
 		logger:           logger.CustomLogger("Runtime Subsystem"),
 		runtime:          runtime.New(bus),
+		startupCallback:  startupCallback,
+		shutdownCallback: shutdownCallback,
 	}
 
 	return result, nil
@@ -59,6 +74,21 @@ func (r *Runtime) Start() error {
 			case <-r.quitChannel:
 				r.running = false
 				break
+			case hooksMessage := <-r.hooksChannel:
+				r.logger.Trace(fmt.Sprintf("Received hooksmessage: %+v", hooksMessage))
+				messageSlice := strings.Split(hooksMessage.Topic(), ":")
+				hook := messageSlice[1]
+				switch hook {
+				case "startup":
+					if r.startupCallback != nil {
+						go r.startupCallback(r.runtime)
+					} else {
+						r.logger.Error("no startup callback registered!")
+					}
+				default:
+					r.logger.Error("unknown hook message: %+v", hooksMessage)
+					continue
+				}
 			case runtimeMessage := <-r.runtimeChannel:
 				r.logger.Trace(fmt.Sprintf("Received message: %+v", runtimeMessage))
 				// Topics have the format: "runtime:category:call"
@@ -99,6 +129,9 @@ func (r *Runtime) GoRuntime() *runtime.Runtime {
 }
 
 func (r *Runtime) shutdown() {
+	if r.shutdownCallback != nil {
+		go r.shutdownCallback()
+	}
 	r.logger.Trace("Shutdown")
 }