status indicator sets window icon

src/status_indicator.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <solanaceae/message3/registry_message_model.hpp>
+
+#include <SDL3/SDL.h>
+
+// service that sets window and tray icon depending on program state
+
+class StatusIndicator {
+	RegistryMessageModelI& _rmm;
+	Contact3Registry& _cr;
+
+	SDL_Window* _main_window;
+	// systray ptr here
+
+	float _cooldown {1.f};
+
+	enum class State {
+		base,
+		unread,
+		none, // only used for initialization
+	} _state = State::none;
+
+	void updateState(State state);
+
+	public:
+		StatusIndicator(
+			RegistryMessageModelI& rmm,
+			Contact3Registry& cr,
+			SDL_Window* main_window
+		);
+
+		// does not actually render, just on the render thread
+		void render(float delta);
+};
+