[libadwaita/wip/exalm/toast-transition] toast-overlay: Reduce scaling on hide transition

[Alexander Mikhaylenko <alexm src gnome org>]

commit 040099b1a44cb02be097e67065c4e404156f3742
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Nov 11 12:34:24 2021 +0500

    toast-overlay: Reduce scaling on hide transition
    
    Fixes https://gitlab.gnome.org/GNOME/libadwaita/-/issues/320

 src/adw-toast-overlay.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/adw-toast-overlay.c b/src/adw-toast-overlay.c
index 2d903291..55836000 100644
--- a/src/adw-toast-overlay.c
+++ b/src/adw-toast-overlay.c
@@ -18,7 +18,7 @@
 #define SHOW_DURATION 300
 #define HIDE_DURATION 300
 #define REPLACE_DURATION 500
-#define FINAL_SIZE 0.7
+#define SCALE_AMOUNT 0.05
 #define NATURAL_WIDTH 450
 
 /**
@@ -321,7 +321,7 @@ allocate_toast (AdwToastOverlay *self,
     x = size.width / 2.0f;
     y = size.height / 2.0f;
 
-    value = adw_lerp (FINAL_SIZE, 1.0f, value);
+    value = adw_lerp (1 - SCALE_AMOUNT, 1, value);
     transform = gsk_transform_translate (transform,
                                          &GRAPHENE_POINT_INIT (x, y));
     transform = gsk_transform_scale (transform, value, value);