🔧 Set animation time even if we do not use it

extension.js

@@ -72,6 +72,10 @@ class Extension {
     this._origAddWindowClone     = Workspace.prototype._addWindowClone;
     this._origShouldAnimateActor = WindowManager.prototype._shouldAnimateActor;
 
+    // We will also override these animation times.
+    this._origWindowTime = imports.ui.windowManager.DESTROY_WINDOW_ANIMATION_TIME;
+    this._origDialogTime = imports.ui.windowManager.DIALOG_DESTROY_WINDOW_ANIMATION_TIME;
+
     // We will use extensionThis to refer to the extension inside the patched methods of
     // the WorkspacesView.
     const extensionThis = this;
@@ -152,9 +156,11 @@ class Extension {
       }
 
       // We do nothing if a dialog got closed and we should not burn them.
-      if (!this._settings.get_boolean('destroy-dialogs') &&
-          (actor.meta_window.window_type == Meta.WindowType.MODAL_DIALOG ||
-           actor.meta_window.window_type == Meta.WindowType.DIALOG)) {
+      const isDialogWindow =
+          actor.meta_window.window_type == Meta.WindowType.MODAL_DIALOG ||
+          actor.meta_window.window_type == Meta.WindowType.DIALOG;
+
+      if (!this._settings.get_boolean('destroy-dialogs') && isDialogWindow) {
         return;
       }
 
@@ -188,6 +194,20 @@ class Extension {
           shader.set_uniform_value('uSizeY', actor.height);
         });
       }
+
+      // The code below is not necessary for Burn-My-Windows to function. However, there
+      // are some extensions such as "Show Application View When Workspace Empty"
+      // https://extensions.gnome.org/extension/2036/show-application-view-when-workspace-empty/
+      // which do something *after* a window was closed. As the window-close animation
+      // duration depends on the used effect, this may vary each time a window is closed.
+      // We set the currently used time here, so that others can get an idea how long this
+      // will take...
+      const duration = transition.get_duration();
+      if (isDialogWindow) {
+        imports.ui.windowManager.DIALOG_DESTROY_WINDOW_ANIMATION_TIME = duration;
+      } else {
+        imports.ui.windowManager.DESTROY_WINDOW_ANIMATION_TIME = duration;
+      }
     });
   }
 
@@ -206,6 +226,9 @@ class Extension {
     Workspace.prototype._addWindowClone         = this._origAddWindowClone;
     WindowManager.prototype._shouldAnimateActor = this._origShouldAnimateActor;
 
+    imports.ui.windowManager.DESTROY_WINDOW_ANIMATION_TIME        = this._origWindowTime;
+    imports.ui.windowManager.DIALOG_DESTROY_WINDOW_ANIMATION_TIME = this._origDialogTime;
+
     if (WindowPreview) {
       WindowPreview.prototype._deleteAll = this._origDeleteAll;
     }