normalize tab items component

src/app/browser/window/tab/item/page/meta.rs

@@ -0,0 +1,42 @@
+use gtk::glib::GString;
+
+// Page MIME type (not related with gemini status code)
+// Useful for content renderer detection, etc
+pub enum Mime {
+    TextGemini,
+    TextPlain,
+}
+
+// Internal page status (not related with gemini status code)
+// Useful for widgets composition
+pub enum Status {
+    Connect,
+    Failure,
+    Prepare,
+    Redirect,
+    Reload,
+    Request,
+    Response,
+    Success,
+}
+
+pub struct Meta {
+    // Text meta data for page
+    // Useful to update window title, label text, etc
+    pub title: Option<GString>,
+    pub description: Option<GString>,
+    // Enums
+    pub mime: Option<Mime>,
+    pub status: Option<Status>,
+}
+
+impl Meta {
+    pub fn new() -> Self {
+        Self {
+            title: None,
+            description: None,
+            mime: None,
+            status: None,
+        }
+    }
+}