implement separated mod with options for failure component

src/app/browser/window/tab/item/page/content/status.rs

@@ -1,6 +1,8 @@
 mod failure;
+mod loading;
 
 use failure::Failure;
+use loading::Loading;
 
 use adw::StatusPage;
 
@@ -9,14 +11,26 @@ pub struct Status {
 }
 
 impl Status {
-    // Construct
-    pub fn new_error(title: &str, description: &str) -> Self {
+    // Constructors
+
+    /// Create new default failure component
+    pub fn new_failure(title: Option<&str>, description: Option<&str>) -> Self {
         Self {
-            gobject: Failure::new(title, description),
+            gobject: Failure::new(title, description).gobject().clone(),
+        }
+    }
+
+    /// Create new default loading component
+    ///
+    /// Useful as the placeholder widget for async operations
+    pub fn new_loading(title: Option<&str>, description: Option<&str>) -> Self {
+        Self {
+            gobject: Loading::new(title, description).gobject().clone(),
         }
     }
 
     // Getters
+
     pub fn gobject(&self) -> &StatusPage {
         &self.gobject
     }

src/app/browser/window/tab/item/page/content/status/failure.rs

@@ -1,15 +1,20 @@
+mod widget;
+use widget::Widget;
+
 use adw::StatusPage;
 
 pub struct Failure {
-    // nothing yet..
+    widget: Widget,
 }
 
 impl Failure {
-    pub fn new(title: &str, description: &str) -> StatusPage {
-        StatusPage::builder()
-            .description(description)
-            .icon_name("dialog-error-symbolic")
-            .title(title)
-            .build()
+    pub fn new(title: Option<&str>, description: Option<&str>) -> Self {
+        Self {
+            widget: Widget::new(title, description),
+        }
+    }
+
+    pub fn gobject(&self) -> &StatusPage {
+        &self.widget.gobject()
     }
 }

src/app/browser/window/tab/item/page/content/status/failure/widget.rs

@@ -0,0 +1,28 @@
+use adw::StatusPage;
+
+pub struct Widget {
+    gobject: StatusPage,
+}
+
+impl Widget {
+    // Constructors
+
+    /// Create new default widget configuration
+    pub fn new(title: Option<&str>, description: Option<&str>) -> Self {
+        let gobject = StatusPage::new();
+
+        if let Some(value) = title {
+            gobject.set_title(value);
+        }
+
+        gobject.set_description(description);
+
+        Self { gobject }
+    }
+
+    // Getters
+
+    pub fn gobject(&self) -> &StatusPage {
+        &self.gobject
+    }
+}