overviewControls: Remove DashFader

By now there is so little left of the old sliding controls that the
split from the actual dash makes little sense.

https://gitlab.gnome.org/Teams/Design/os-mockups/-/issues/89

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1660>

js/ui/dash.js

@@ -9,6 +9,7 @@ const AppFavorites = imports.ui.appFavorites;
 const DND = imports.ui.dnd;
 const IconGrid = imports.ui.iconGrid;
 const Main = imports.ui.main;
+const Overview = imports.ui.overview;
 
 var DASH_ANIMATION_TIME = 200;
 var DASH_ITEM_LABEL_SHOW_TIME = 150;
@@ -352,21 +353,27 @@ var Dash = GObject.registerClass({
         this._appSystem.connect('app-state-changed', this._queueRedisplay.bind(this));
 
         Main.overview.connect('item-drag-begin',
-                              this._onDragBegin.bind(this));
+            this._onItemDragBegin.bind(this));
         Main.overview.connect('item-drag-end',
-                              this._onDragEnd.bind(this));
+            this._onItemDragEnd.bind(this));
         Main.overview.connect('item-drag-cancelled',
-                              this._onDragCancelled.bind(this));
+            this._onItemDragCancelled.bind(this));
+        Main.overview.connect('window-drag-begin',
+            this._onWindowDragBegin.bind(this));
+        Main.overview.connect('window-drag-cancelled',
+            this._onWindowDragEnd.bind(this));
+        Main.overview.connect('window-drag-end',
+            this._onWindowDragEnd.bind(this));
 
         // Translators: this is the name of the dock/favorites area on
         // the left of the overview
         Main.ctrlAltTabManager.addGroup(this, _("Dash"), 'user-bookmarks-symbolic');
     }
 
-    _onDragBegin() {
+    _onItemDragBegin() {
         this._dragCancelled = false;
         this._dragMonitor = {
-            dragMotion: this._onDragMotion.bind(this),
+            dragMotion: this._onItemDragMotion.bind(this),
         };
         DND.addDragMonitor(this._dragMonitor);
 
@@ -377,26 +384,26 @@ var Dash = GObject.registerClass({
         }
     }
 
-    _onDragCancelled() {
+    _onItemDragCancelled() {
         this._dragCancelled = true;
-        this._endDrag();
+        this._endItemDrag();
     }
 
-    _onDragEnd() {
+    _onItemDragEnd() {
         if (this._dragCancelled)
             return;
 
-        this._endDrag();
+        this._endItemDrag();
     }
 
-    _endDrag() {
+    _endItemDrag() {
         this._clearDragPlaceholder();
         this._clearEmptyDropTarget();
         this._showAppsIcon.setDragApp(null);
         DND.removeDragMonitor(this._dragMonitor);
     }
 
-    _onDragMotion(dragEvent) {
+    _onItemDragMotion(dragEvent) {
         let app = getAppFromSource(dragEvent.source);
         if (app == null)
             return DND.DragMotionResult.CONTINUE;
@@ -415,6 +422,22 @@ var Dash = GObject.registerClass({
         return DND.DragMotionResult.CONTINUE;
     }
 
+    _onWindowDragBegin() {
+        this.ease({
+            opacity: 128,
+            duration: Overview.ANIMATION_TIME / 2,
+            mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+        });
+    }
+
+    _onWindowDragEnd() {
+        this.ease({
+            opacity: 255,
+            duration: Overview.ANIMATION_TIME / 2,
+            mode: Clutter.AnimationMode.EASE_IN_QUAD,
+        });
+    }
+
     _appIdListToHash(apps) {
         let ids = {};
         for (let i = 0; i < apps.length; i++)

js/ui/overviewControls.js

@@ -4,45 +4,7 @@
 const { Clutter, GObject, St } = imports.gi;
 
 const Dash = imports.ui.dash;
-const Main = imports.ui.main;
 const ViewSelector = imports.ui.viewSelector;
-const Overview = imports.ui.overview;
-
-var SIDE_CONTROLS_ANIMATION_TIME = Overview.ANIMATION_TIME;
-
-var DashFader = GObject.registerClass(
-class DashFader extends St.Widget {
-    _init(dash) {
-        super._init({
-            x_expand: true,
-            x_align: Clutter.ActorAlign.CENTER,
-            y_align: Clutter.ActorAlign.END,
-        });
-
-        this._dash = dash;
-        this.add_child(this._dash);
-
-        Main.overview.connect('window-drag-begin', this._onWindowDragBegin.bind(this));
-        Main.overview.connect('window-drag-cancelled', this._onWindowDragEnd.bind(this));
-        Main.overview.connect('window-drag-end', this._onWindowDragEnd.bind(this));
-    }
-
-    _onWindowDragBegin() {
-        this.ease({
-            opacity: 128,
-            duration: SIDE_CONTROLS_ANIMATION_TIME / 2,
-            mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-        });
-    }
-
-    _onWindowDragEnd() {
-        this.ease({
-            opacity: 255,
-            duration: SIDE_CONTROLS_ANIMATION_TIME / 2,
-            mode: Clutter.AnimationMode.EASE_IN_QUAD,
-        });
-    }
-});
 
 var ControlsManager = GObject.registerClass(
 class ControlsManager extends St.Widget {
@@ -55,7 +17,6 @@ class ControlsManager extends St.Widget {
         });
 
         this.dash = new Dash.Dash();
-        this._dashFader = new DashFader(this.dash);
 
         let workspaceManager = global.workspace_manager;
         let activeWorkspaceIndex = workspaceManager.get_active_workspace_index();
@@ -86,7 +47,7 @@ class ControlsManager extends St.Widget {
         this.add_actor(this._group);
 
         this._group.add_child(this.viewSelector);
-        this._group.add_actor(this._dashFader);
+        this._group.add_actor(this.dash);
 
         this.connect('destroy', this._onDestroy.bind(this));
     }