Open folder as notification action

src/Application.vala

@@ -55,6 +55,20 @@ public class Application : Gtk.Application {
         settings.notify["zoom"].connect (() => {
             font.size = (int) (_default_font.size * settings.zoom / 100.0);
         });
+
+        var show_codecard_folder = new SimpleAction ("show-codecard-folder", null);
+        show_codecard_folder.activate.connect (() => {
+            var uri = "file://" + Utils.get_codecard_folder ();
+            AppInfo.launch_default_for_uri_async.begin (uri, null, null, (obj, res) => {
+                try {
+                    AppInfo.launch_default_for_uri_async.end (res);
+                } catch (Error e) {
+                    critical (e.message);
+                }
+            });
+        });
+
+        add_action (show_codecard_folder);
     }
 
     public Models.Font font {

src/MainWindow.vala

@@ -312,10 +312,7 @@ public class MainWindow : Hdy.Window {
 
                 string file_name = "Codecard from %s.png".printf (date_time);
 
-                var path = Path.build_filename (
-                    Environment.get_user_special_dir (UserDirectory.PICTURES),
-                    Constants.APP_NAME
-                );
+                var path = Utils.get_codecard_folder ();
 
                 DirUtils.create_with_parents (path, 0755);
 
@@ -328,6 +325,7 @@ public class MainWindow : Hdy.Window {
 
                 var notification = new Notification (title);
                 notification.set_body (_("Saved to %s and copied to clipboard").printf (Utils.replace_home_with_tilde (path)));
+                notification.set_default_action ("app.show-codecard-folder");
                 app.send_notification (Constants.APP_ID, notification);
 
                 saving = false;

src/Utils.vala

@@ -27,4 +27,11 @@ namespace Utils {
             return path;
         }
     }
+
+    public string get_codecard_folder () {
+        return Path.build_filename (
+            Environment.get_user_special_dir (UserDirectory.PICTURES),
+            Constants.APP_NAME
+        );
+    }
 }