implement progress fraction update

src/browser/main/tab/page.rs

@@ -388,8 +388,16 @@ impl Page {
 
     pub fn update(&self) {
         // Interpret status to progress fraction
-        // @TODO
-        self.navigation.update();
+        let progress_fraction = match self.meta.borrow().status {
+            Some(Status::Prepare) => 0.25,
+            Some(Status::Connect) => 0.50,
+            Some(Status::Request) => 0.75,
+            Some(Status::Response) => 1.0,
+            _ => 0.0,
+        };
+
+        // Update components
+        self.navigation.update(progress_fraction);
         // @TODO self.content.update();
     }
 

src/browser/main/tab/page/navigation.rs

@@ -71,11 +71,11 @@ impl Navigation {
     }
 
     // Actions
-    pub fn update(&self) {
+    pub fn update(&self, progress_fraction: f64) {
         self.base.update(self.request.uri());
         self.history.update();
         self.reload.update(!self.request.is_empty());
-        self.request.update();
+        self.request.update(progress_fraction);
         self.bookmark.update();
     }
 

src/browser/main/tab/page/navigation/request.rs

@@ -41,7 +41,8 @@ impl Request {
     }
 
     // Actions
-    pub fn update(&self) {
+    pub fn update(&self, progress_fraction: f64) {
+        self.widget.set_progress_fraction(progress_fraction);
         // @TODO animate progress fraction
     }