rename tab elements namespace

src/app/browser/main/tab/page.cpp

@@ -0,0 +1,55 @@
+#include "page.hpp"
+#include "page/navbar.hpp"
+#include "page/content.hpp"
+
+using namespace app::browser::main::tab;
+
+Page::Page()
+{
+    // Init container
+    set_orientation(
+        Gtk::Orientation::VERTICAL
+    );
+
+    // Init actions group
+    action_group = Gio::SimpleActionGroup::create();
+
+        // Define group actions
+        action_group->add_action(
+            "update",
+            sigc::mem_fun(
+                * this,
+                & Page::update
+            )
+        );
+
+    insert_action_group(
+        "page",
+        action_group
+    );
+
+    // Init components
+    navbar = new page::Navbar();
+
+        append(
+            * navbar
+        );
+
+        // Refresh children elements view (e.g. buttons sensitivity)
+        // because of insert_action_group + append here @TODO
+        navbar->refresh();
+
+    content = new page::Content();
+
+        append(
+            * content
+        );
+}
+
+Page::~Page() = default;
+
+// Actions
+void Page::update()
+{
+    // navbar->get_request_value() @TODO
+}