Always unescape image and app icon paths (#518)

src/functions.vala

@@ -29,7 +29,7 @@ namespace SwayNotificationCenter {
                     if (is_uri) uri = uri.slice (URI_PREFIX.length, uri.length);
 
                     var pixbuf = new Gdk.Pixbuf.from_file_at_scale (
-                        uri,
+                        Uri.unescape_string (uri),
                         icon_size * img.scale_factor,
                         icon_size * img.scale_factor,
                         true);

src/notiModel/notiModel.vala

@@ -133,7 +133,7 @@ namespace SwayNotificationCenter {
             this.applied_id = applied_id;
             this.app_name = app_name;
             this.replaces_id = replaces_id;
-            this.app_icon = app_icon;
+            this.app_icon = Uri.unescape_string (app_icon);
             this.summary = summary;
             this.body = body;
             this.hints = hints;
@@ -237,7 +237,7 @@ namespace SwayNotificationCenter {
                     case "image-path":
                     case "image_path":
                         if (hint_value.is_of_type (VariantType.STRING)) {
-                            image_path = hint_value.get_string ();
+                            image_path = Uri.unescape_string (hint_value.get_string ());
                         }
                         break;
                     case "desktop-entry":

src/notification/notification.vala

@@ -693,8 +693,7 @@ namespace SwayNotificationCenter {
             img_app_icon.set_pixel_size (app_icon_size);
 
             bool img_path_is_theme_icon = false;
-            bool img_path_exists = File.new_for_uri (
-                param.image_path ?? "").query_exists ();
+            bool img_path_exists = File.new_for_uri (param.image_path ?? "").query_exists ();
             if (param.image_path != null && !img_path_exists) {
                 // Check if it's not a URI
                 img_path_exists = File.new_for_path (
@@ -710,11 +709,10 @@ namespace SwayNotificationCenter {
                     img_path_is_theme_icon = img_path_exists;
                 }
             }
-            var app_icon_exists = File.new_for_uri (app_icon_uri ?? "").query_exists ();
-            if (app_icon_uri != null && !img_path_exists) {
+            bool app_icon_exists = File.new_for_uri (app_icon_uri ?? "").query_exists ();
+            if (app_icon_uri != null && !app_icon_exists) {
                 // Check if it's not a URI
-                app_icon_exists = File.new_for_path (
-                    app_icon_uri ?? "").query_exists ();
+                app_icon_exists = File.new_for_path (app_icon_uri ?? "").query_exists ();
             }
 
             // Get the image CSS corner radius in pixels