feat(visualizer): respect gtk-enable-animations (#1141)

src/Widgets/AudioPlayer/Visualizer.vala

@@ -6,19 +6,24 @@ public class Tuba.Widgets.Audio.Visualizer : Gtk.Widget {
  Cairo.Context context;
  Gdk.RGBA color;
  Gdk.Texture cover_texture;
+ bool animations_enabled = true;
 
  double _level = 0.0;
  public double level {
  get { return _level; }
  set {
  _level = value;
- this.queue_draw ();
+ if (animations_enabled)
+ this.queue_draw ();
  }
  }
 
  construct {
  vexpand = true;
  hexpand = true;
+
+ var gtk_settings = Gtk.Settings.get_default ();
+ if (gtk_settings != null) animations_enabled = gtk_settings.gtk_enable_animations;
  }
 
  public Visualizer (Gdk.Texture? texture = null, string? blurhash = null) {
@@ -72,14 +77,16 @@ public class Tuba.Widgets.Audio.Visualizer : Gtk.Widget {
  var point = Graphene.Point ().init (new_center_w, new_center_h);
  snapshot.translate (point);
 
- float res = (float) level * (int.min (MAX_CIRCLE_HEIGHT, win_h) - SQR) + SQR;
+ if (animations_enabled) {
+ float res = (float) level * (int.min (MAX_CIRCLE_HEIGHT, win_h) - SQR) + SQR;
 
- var rect = Graphene.Rect ().init (- res / 2, - res / 2, res, res);
- var rounded_rect = Gsk.RoundedRect ().init_from_rect (rect, 9999);
+  var rect = Graphene.Rect ().init (- res / 2, - res / 2, res, res);
+  var rounded_rect = Gsk.RoundedRect ().init_from_rect (rect, 9999);
 
- snapshot.push_rounded_clip (rounded_rect);
- snapshot.append_color (color, rect);
- snapshot.pop ();
+ snapshot.push_rounded_clip (rounded_rect);
+ snapshot.append_color (color, rect);
+ snapshot.pop ();
+ }
 
  if (cover_texture != null) {
  var cover_rect = Graphene.Rect ().init (- SQR / 2, - SQR / 2, SQR, SQR);