[gnome-boxes] revealer: learn to resize actor allocation too

[Marc-Andre Lureau <malureau src gnome org>]

commit 495126ed2f39b7af39517f0449555f86232bdaf0
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Wed Jul 25 23:02:31 2012 +0200

    revealer: learn to resize actor allocation too
    
    https://bugzilla.gnome.org/show_bug.cgi?id=681089

 src/revealer.vala |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/src/revealer.vala b/src/revealer.vala
index 5065acd..2ddfbbb 100644
--- a/src/revealer.vala
+++ b/src/revealer.vala
@@ -5,6 +5,7 @@ public class Boxes.Revealer: Clutter.Actor {
     private bool horizontal;
     private bool revealed;
     public uint duration;
+    public bool resize;
 
     public Revealer (bool horizontal) {
         this.horizontal = horizontal;
@@ -31,6 +32,14 @@ public class Boxes.Revealer: Clutter.Actor {
     }
 
     public void reveal () {
+        if (resize) {
+            if (horizontal)
+                height = 0.0f;
+            else
+                width = 0.0f;
+        }
+
+        var max = 0.0f;
         foreach (var child in get_children ()) {
             if (!revealed)
                 child.show ();
@@ -39,6 +48,7 @@ public class Boxes.Revealer: Clutter.Actor {
                     float height;
                     child.get_preferred_height (-1, null, out height);
                     child.y = -height;
+                    max = float.max (max, height);
                 }
                 child.animate (Clutter.AnimationMode.EASE_IN_QUAD, duration, "y", 0f);
             } else {
@@ -46,10 +56,19 @@ public class Boxes.Revealer: Clutter.Actor {
                     float width;
                     child.get_preferred_width (-1, null, out width);
                     child.x = -width;
+                    max = float.max (max, width);
                 }
                 child.animate (Clutter.AnimationMode.EASE_IN_QUAD, duration, "x", 0f);
             }
         }
+
+        if (resize) {
+            if (horizontal)
+                animate (Clutter.AnimationMode.EASE_IN_QUAD, duration, "height", max);
+            else
+                animate (Clutter.AnimationMode.EASE_IN_QUAD, duration, "width", max);
+        }
+
         revealed = true;
     }
 
@@ -71,6 +90,13 @@ public class Boxes.Revealer: Clutter.Actor {
                 revealed = false;
             });
         }
+
+        if (resize) {
+            if (horizontal)
+                animate (Clutter.AnimationMode.EASE_OUT_QUAD, duration, "height", 0.0f);
+            else
+                animate (Clutter.AnimationMode.EASE_OUT_QUAD, duration, "width", 0.0f);
+        }
     }
 
     public void unreveal () {