expo/overview: Refactor to Use newer/gobject class styles, easing.

- Stop using Lang.bind().
- Use actor easing instead of tweening.
- Use actor/widget subclasses instead of this.actor/GenericContainers.
- Use connectObject/disconnectObject for signal handling.
- Use GLib instead of Mainloop.
- Allow early cancel of both modes.
- Cleanup rest of codebase's access to overview and expo

Author: mtwebster

files/usr/share/cinnamon/applets/cornerbar@cinnamon.org/applet.js

@@ -278,13 +278,11 @@ class CinnamonBarApplet extends Applet.Applet {
     }
 
     expo() {
-        if (!Main.expo.animationInProgress)
-            Main.expo.toggle();
+        Main.expo.toggle();
     }
 
     scale() {
-        if (!Main.overview.animationInProgress)
-            Main.overview.toggle();
+        Main.overview.toggle();
     }
 
 }

files/usr/share/cinnamon/applets/expo@cinnamon.org/applet.js

@@ -36,8 +36,7 @@ class CinnamonExpoApplet extends Applet.IconApplet {
     }
 
     doAction() {
-        if (!Main.expo.animationInProgress)
-            Main.expo.toggle();
+        Main.expo.toggle();
     }
 }
 

files/usr/share/cinnamon/applets/scale@cinnamon.org/applet.js

@@ -36,8 +36,7 @@ class CinnamonScaleApplet extends Applet.IconApplet {
     }
 
     doAction() {
-        if (!Main.overview.animationInProgress)
-            Main.overview.toggle();
+        Main.overview.toggle();
     }
 }
 

files/usr/share/cinnamon/applets/workspace-switcher@cinnamon.org/applet.js

@@ -515,8 +515,7 @@ class CinnamonWorkspaceSwitcher extends Applet.Applet {
 
         let expoMenuItem = new PopupMenu.PopupIconMenuItem(_("Manage workspaces (Expo)"), "xsi-view-grid-symbolic", St.IconType.SYMBOLIC);
         expoMenuItem.connect('activate', Lang.bind(this, function() {
-            if (!Main.expo.animationInProgress)
-                Main.expo.toggle();
+            Main.expo.toggle();
         }));
         this._applet_context_menu.addMenuItem(expoMenuItem);
 

js/ui/cinnamonDBus.js

@@ -429,13 +429,11 @@ var CinnamonDBus = class {
     }
 
     ShowExpo() {
-        if (!Main.expo.animationInProgress)
-            Main.expo.toggle();
+        Main.expo.toggle();
     }
 
     ShowOverview() {
-        if (!Main.overview.animationInProgress)
-            Main.overview.toggle();
+        Main.overview.toggle();
     }
 
     PushSubprocessResult(process_id, result, success) {