[gnome-boxes] machine: Use explicit transition for prop->display animation

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit d681d1e47104eca8e9310203ab1f1f2d8a328fa5
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Jun 26 18:09:08 2013 +0300

    machine: Use explicit transition for prop->display animation
    
    This patch is needed on the same grounds as 2f4b859 (app: Use explicit
    transition for display->collection) as it fixes prop->display animation
    when linked against Clutter 1.16.

 src/machine.vala |   15 +++++----------
 1 files changed, 5 insertions(+), 10 deletions(-)
---
diff --git a/src/machine.vala b/src/machine.vala
index 7554701..530e441 100644
--- a/src/machine.vala
+++ b/src/machine.vala
@@ -785,20 +785,15 @@ private class Boxes.MachineActor: Boxes.UI {
                     App.app.properties.screenshot_placeholder.disconnect (track_screenshot_id);
                     track_screenshot_id = 0;
 
-                    thumbnail.set_easing_duration (App.app.duration);
-                    thumbnail.x_align = Clutter.ActorAlign.FILL;
-                    thumbnail.y_align = Clutter.ActorAlign.FILL;
-                    thumbnail.x_expand = true;
-                    thumbnail.y_expand = true;
-                    thumbnail.fixed_position_set = false;
-                    thumbnail.min_width_set = thumbnail.natural_width_set = false;
-                    thumbnail.min_height_set = thumbnail.natural_height_set = false;
-
-                    thumbnail.transitions_completed.connect (() => {
+                    var transition = animate_actor_geometry (x, y, width, height);
+                    transition.completed.connect (() => {
+                        thumbnail.remove_transition ("back-from-properties");
                         var widget = steal_display_widget_from_thumbnail ();
                         if (widget != null)
                             App.app.display_page.show_display (machine.display, widget);
                     });
+
+                    thumbnail.add_transition ("back-from-properties", transition);
                 } else
                     App.app.display_page.show ();
             }