[gnome-shell/wip/exalm/cubic] overviewControls: Use easeOutCubic transition for overview

[Alexander Mikhaylenko <alexm src gnome org>]

commit 16e7e6acae179b43181fc1afd3a9d17a8732a93c
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Sun Feb 28 19:55:09 2021 +0500

    overviewControls: Use easeOutCubic transition for overview
    
    Swipe tracker duration is intended to be used with easeOutCubic only.

 js/ui/overviewControls.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/overviewControls.js b/js/ui/overviewControls.js
index 7de141e0cb..726a797329 100644
--- a/js/ui/overviewControls.js
+++ b/js/ui/overviewControls.js
@@ -258,6 +258,7 @@ class ControlsManager extends St.Widget {
             clip_to_allocation: true,
         });
 
+        this._distancewtf = 100;
         this._ignoreShowAppsButtonToggle = false;
 
         this._searchEntry = new St.Entry({
@@ -637,7 +638,7 @@ class ControlsManager extends St.Widget {
     }
 
     gestureBegin(tracker) {
-        const baseDistance = global.screen_height;
+        const baseDistance = this._distancewtf;
         const progress = this._stateAdjustment.value;
         const points = [
             ControlsState.HIDDEN,
@@ -670,7 +671,7 @@ class ControlsManager extends St.Widget {
         this._stateAdjustment.remove_transition('value');
         this._stateAdjustment.ease(target, {
             duration,
-            mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+            mode: Clutter.AnimationMode.EASE_OUT_CUBIC,
             onComplete,
         });