[totem] Only use Gtk.Allocation properties if they're available

[Philip Withnall <pwithnall src gnome org>]

commit 13d45d3a09be162bd24c12d407fc1e71f1839966
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Fri Jul 30 14:30:03 2010 +0200

    Only use Gtk.Allocation properties if they're available
    
    The bindings for Gtk.Allocation are broken with GTK+ 3, so abort the column
    wrapping hack if we're using GTK+ 3.

 src/plugins/jamendo/jamendo.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/jamendo/jamendo.py b/src/plugins/jamendo/jamendo.py
index d17d9ee..9c06583 100644
--- a/src/plugins/jamendo/jamendo.py
+++ b/src/plugins/jamendo/jamendo.py
@@ -516,6 +516,11 @@ class JamendoPlugin(gobject.GObject, Peas.Activatable, PeasUI.Configurable):
         """
         Hack to autowrap text of the title colum.
         """
+        # Further hack to run away if we're using GTK+ 3, where GtkAllocation
+        # disappeared.
+        if not hasattr(allocation, 'width'):
+            return
+
         cols = (c for c in tv.get_columns() if c != col)
         w = allocation.width - sum(c.get_width() for c in cols)
         if cell.props.wrap_width == w or w <= 0: