Provide a method for OEMs to include a logo for dark backgrounds

src/Views/HardwareView.vala

@@ -23,6 +23,7 @@
 public class About.HardwareView : Gtk.Grid {
  private bool oem_enabled;
  private string manufacturer_icon_path;
+ private string? manufacturer_icon_dark_path = null;
  private string manufacturer_name;
  private string manufacturer_support_url;
  private string memory;
@@ -41,7 +42,11 @@ public class About.HardwareView : Gtk.Grid {
 
  private Gtk.Label storage_info;
 
+ private Granite.Settings granite_settings;
+
  construct {
+ granite_settings = Granite.Settings.get_default ();
+
  fetch_hardware_info ();
 
  var product_name_info = new Gtk.Label (get_host_name ()) {
@@ -101,12 +106,6 @@ public class About.HardwareView : Gtk.Grid {
  };
 
  if (oem_enabled) {
- var fileicon = new FileIcon (File.new_for_path (manufacturer_icon_path));
-
- if (manufacturer_icon_path != null) {
- manufacturer_logo.gicon = fileicon;
- }
-
  if (product_name != null) {
  product_name_info.label = "<b>%s</b>".printf (product_name);
  product_name_info.use_markup = true;
@@ -129,9 +128,7 @@ public class About.HardwareView : Gtk.Grid {
  details_grid.add (product_name_info);
  }
 
- if (manufacturer_logo.gicon == null) {
- load_fallback_manufacturer_icon.begin ();
- }
+ update_manufacturer_logo ();
 
  details_grid.add (processor_info);
  details_grid.add (graphics_grid);
@@ -159,6 +156,28 @@ public class About.HardwareView : Gtk.Grid {
 
  add (manufacturer_logo);
  add (details_grid);
+
+ granite_settings.notify["prefers-color-scheme"].connect (() => {
+ update_manufacturer_logo ();
+ });
+ }
+
+ private void update_manufacturer_logo () {
+ if (oem_enabled) {
+ string path = manufacturer_icon_path;
+ if (granite_settings.prefers_color_scheme == Granite.Settings.ColorScheme.DARK && manufacturer_icon_dark_path != null) {
+ path = manufacturer_icon_dark_path;
+ }
+ var fileicon = new FileIcon (File.new_for_path (path));
+
+ if (path != null) {
+ manufacturer_logo.gicon = fileicon;
+ }
+ }
+
+ if (manufacturer_logo.gicon == null) {
+ load_fallback_manufacturer_icon.begin ();
+ }
  }
 
  private async void load_fallback_manufacturer_icon () {
@@ -358,6 +377,10 @@ public class About.HardwareView : Gtk.Grid {
  manufacturer_icon_path = oem_file.get_string ("OEM", "Logo");
  }
 
+ if (oem_file.has_key ("OEM", "LogoDark")) {
+ manufacturer_icon_dark_path = oem_file.get_string ("OEM", "LogoDark");
+ }
+
  if (oem_file.has_key ("OEM", "URL")) {
  manufacturer_support_url = oem_file.get_string ("OEM", "URL");
  }