make results optional

src/browser/header/mod.rs

@@ -25,7 +25,7 @@ impl Header {
     }
 
     // Actions
-    pub fn update(&self, title: GString, description: GString) {
+    pub fn update(&self, title: Option<GString>, description: Option<GString>) {
         self.subject.update(title, description);
     }
 

src/browser/header/subject/description/mod.rs

@@ -1,3 +1,4 @@
+use gtk::glib::GString;
 use gtk::prelude::WidgetExt;
 use gtk::{pango::EllipsizeMode, Label};
 
@@ -19,9 +20,12 @@ impl Description {
     }
 
     // Actions
-    pub fn update(&self, text: &str) {
-        self.widget.set_text(text);
-        self.widget.set_visible(!text.is_empty());
+    pub fn update(&self, text: Option<GString>) {
+        match text {
+            Some(value) => self.widget.set_text(&value),
+            None => self.widget.set_text(""), // @TODO
+        };
+        self.widget.set_visible(!self.widget.text().is_empty());
     }
 
     // Getters

src/browser/header/subject/mod.rs

@@ -34,9 +34,9 @@ impl Subject {
     }
 
     // Actions
-    pub fn update(&self, title: GString, description: GString) {
-        self.title.update(&title);
-        self.description.update(&description);
+    pub fn update(&self, title: Option<GString>, description: Option<GString>) {
+        self.title.update(title);
+        self.description.update(description);
     }
 
     // Getters

src/browser/header/subject/title/mod.rs

@@ -1,4 +1,4 @@
-use gtk::{pango::EllipsizeMode, Label};
+use gtk::{glib::GString, pango::EllipsizeMode, Label};
 
 const DEFAULT_TEXT: &str = "Yoda"; // @TODO
 
@@ -20,13 +20,13 @@ impl Title {
     }
 
     // Actions
-    pub fn update(&self, text: &str) {
-        if text.is_empty() {
-            self.widget.set_text(DEFAULT_TEXT);
-        } else {
-            self.widget
-                .set_text(&format!("{} - {}", text, DEFAULT_TEXT));
-        }
+    pub fn update(&self, text: Option<GString>) {
+        match text {
+            Some(value) => self
+                .widget
+                .set_text(&format!("{} - {}", value, DEFAULT_TEXT)),
+            None => self.widget.set_text(DEFAULT_TEXT),
+        };
     }
 
     // Getters