begin identity dialog implementation

src/app/browser/window/tab/item/identity/gemini.rs

@@ -0,0 +1,45 @@
+mod widget;
+use widget::Widget;
+
+use crate::profile::Profile;
+use gtk::{glib::Uri, prelude::IsA};
+use std::rc::Rc;
+
+pub struct Gemini {
+    profile: Rc<Profile>,
+    widget: Rc<Widget>,
+}
+
+impl Gemini {
+    // Construct
+
+    /// Create new `Self` for given Profile
+    pub fn new(profile: Rc<Profile>, auth_uri: Uri) -> Self {
+        let widget = Rc::new(Widget::new());
+
+        // Init events
+        widget.connect_response({
+            let profile = profile.clone();
+            move |value| {
+                match value {
+                    Some(id) => {
+                        // Activate selected identity ID
+                    }
+                    None => {
+                        // Create and select new identity
+                    }
+                } // @TODO handle result
+            }
+        });
+
+        // Return activated `Self`
+        Self { profile, widget }
+    }
+
+    // Actions
+
+    /// Show dialog for parent [Widget](https://docs.gtk.org/gtk4/class.Widget.html)
+    pub fn present(&self, parent: Option<&impl IsA<gtk::Widget>>) {
+        self.widget.present(parent);
+    }
+}