implement base button refresh

src/app/browser/main/tab/data/navbar.cpp

@@ -5,6 +5,8 @@
 #include "navbar/request.hpp"
 #include "navbar/update.hpp"
 
+#include "../../../../../lib/url.hpp"
+
 using namespace app::browser::main::tab::data;
 
 Navbar::Navbar()
@@ -88,9 +90,24 @@ Navbar::~Navbar() = default;
 // Actions
 void Navbar::refresh()
 {
-    // Deactivate on request value is empty
+    // Detect request has value
+    bool has_request = request->get_text_length();
+
+    // Toggle base button sensibility
+    auto url = new ::lib::Url(
+        request->get_text()
+    );
+
+    base->set_sensitive(
+        has_request && !url->host.empty()
+                    && !url->path.empty()
+    );
+
+    delete url;
+
+    // Toggle update button sensibility
     update->set_sensitive(
-        (bool) request->get_text_length()
+        has_request
     );
 }