refactor notifications

include/widgets/notification/baseNotification.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <filesystem>
+#include <string>
+
+#include "helpers/system.hpp"
+
+#include "gdkmm/monitor.h"
+#include "gtk4-layer-shell.h"
+#include "gtkmm/cssprovider.h"
+#include "gtkmm/window.h"
+
+
+#define DEFAULT_NOTIFICATION_TIMEOUT 4000
+
+class BaseNotification : public Gtk::Window {
+  public:
+    BaseNotification(std::shared_ptr<Gdk::Monitor> monitor);
+
+    virtual ~BaseNotification() = default;
+
+  private:
+    void ensure_notification_css_loaded();
+};