EpisodeWidget: Only update if it's visible.

hammond-gtk/src/app.rs

@@ -20,7 +20,10 @@ pub enum Action {
     RefreshAllViews,
     RefreshEpisodesView,
     RefreshEpisodesViewBGR,
+    RefreshShowsView,
     RefreshWidget,
+    RefreshWidgetIfVis,
+    RefreshWidgetIfSame(i32),
     HeaderBarShowTile(String),
     HeaderBarNormal,
     HeaderBarHideUpdateIndicator,
@@ -137,7 +140,10 @@ impl App {
                     }
                 }
                 Ok(Action::RefreshAllViews) => content.update(),
+                Ok(Action::RefreshShowsView) => content.update_shows_view(),
                 Ok(Action::RefreshWidget) => content.update_widget(),
+                Ok(Action::RefreshWidgetIfVis) => content.update_widget_if_visible(),
+                Ok(Action::RefreshWidgetIfSame(id)) => content.update_widget_if_same(id),
                 Ok(Action::RefreshEpisodesView) => content.update_episode_view(),
                 Ok(Action::RefreshEpisodesViewBGR) => content.update_episode_view_if_baground(),
                 Ok(Action::HeaderBarShowTile(title)) => headerbar.switch_to_back(&title),

hammond-gtk/src/content.rs

@@ -64,6 +64,18 @@ impl Content {
         self.shows.update_widget();
     }
 
+    pub fn update_widget_if_same(&self, pid: i32) {
+        self.shows.update_widget_if_same(pid);
+    }
+
+    pub fn update_widget_if_visible(&self) {
+        if self.stack.get_visible_child_name() == Some("shows".to_string())
+            && self.shows.get_stack().get_visible_child_name() == Some("widget".to_string())
+        {
+            self.shows.update_widget();
+        }
+    }
+
     pub fn get_stack(&self) -> gtk::Stack {
         self.stack.clone()
     }
@@ -186,12 +198,12 @@ impl ShowStack {
         let vis = self.stack.get_visible_child_name().unwrap();
         let old = self.stack.get_child_by_name("widget").unwrap();
 
-        let id = WidgetExt::get_name(&old).unwrap();
-        if id == "GtkBox" {
+        let id = WidgetExt::get_name(&old);
+        if id == Some("GtkBox".to_string()) || id.is_none() {
             return;
         }
 
-        let pd = dbqueries::get_podcast_from_id(id.parse::<i32>().unwrap());
+        let pd = dbqueries::get_podcast_from_id(id.unwrap().parse::<i32>().unwrap());
         if let Ok(pd) = pd {
             self.replace_widget(&pd);
             self.stack.set_visible_child_name(&vis);
@@ -199,6 +211,17 @@ impl ShowStack {
         }
     }
 
+    // Only update widget if it's podcast_id is equal to pid.
+    pub fn update_widget_if_same(&self, pid: i32) {
+        let old = self.stack.get_child_by_name("widget").unwrap();
+
+        let id = WidgetExt::get_name(&old);
+        if id != Some(pid.to_string()) || id.is_none() {
+            return;
+        }
+        self.update_widget();
+    }
+
     pub fn switch_podcasts_animated(&self) {
         self.stack
             .set_visible_child_full("podcasts", gtk::StackTransitionType::SlideRight);

hammond-gtk/src/manager.rs

@@ -81,6 +81,7 @@ pub fn add(id: i32, directory: &str, sender: Sender<Action>) {
     let dir = directory.to_owned();
     thread::spawn(move || {
         if let Ok(episode) = dbqueries::get_episode_from_rowid(id) {
+            let id = episode.podcast_id();
             get_episode(&mut episode.into(), dir.as_str(), Some(prog))
                 .err()
                 .map(|err| {
@@ -93,7 +94,7 @@ pub fn add(id: i32, directory: &str, sender: Sender<Action>) {
             }
 
             sender.send(Action::RefreshEpisodesView).unwrap();
-            sender.send(Action::RefreshWidget).unwrap();
+            sender.send(Action::RefreshWidgetIfSame(id)).unwrap();
         }
     });
 }

hammond-gtk/src/widgets/episode.rs

@@ -251,7 +251,7 @@ fn on_download_clicked(ep: &EpisodeWidgetQuery, sender: Sender<Action>) {
 
     // Update Views
     sender.send(Action::RefreshEpisodesView).unwrap();
-    sender.send(Action::RefreshWidget).unwrap();
+    sender.send(Action::RefreshWidgetIfVis).unwrap();
 }
 
 fn on_play_bttn_clicked(episode_id: i32) {

hammond-gtk/src/widgets/show.rs

@@ -71,7 +71,6 @@ impl ShowWidget {
         self.unsub
             .connect_clicked(clone!(shows, pd, sender => move |bttn| {
             on_unsub_button_clicked(shows.clone(), &pd, bttn, sender.clone());
-            sender.send(Action::HeaderBarNormal).unwrap();
         }));
 
         self.setup_listbox(pd, sender.clone());
@@ -137,8 +136,10 @@ fn on_unsub_button_clicked(
         });
     }));
     shows.switch_podcasts_animated();
+    sender.send(Action::HeaderBarNormal).unwrap();
     // Queue a refresh after the switch to avoid blocking the db.
-    sender.send(Action::RefreshAllViews).unwrap();
+    sender.send(Action::RefreshShowsView).unwrap();
+    sender.send(Action::RefreshEpisodesView).unwrap();
 }
 
 #[allow(dead_code)]