[gtk+] stylecontext: Don't use cache when unsaved

[Benjamin Otte <otte src gnome org>]

commit b763bb0594ec98ef96d2d9987ce622e2de9452e0
Author: Benjamin Otte <otte redhat com>
Date:   Tue Feb 10 23:49:15 2015 +0100

    stylecontext: Don't use cache when unsaved
    
    Fixes image-load-from-file reftest

 gtk/gtkstylecontext.c |   25 ++++++++++++++++---------
 1 files changed, 16 insertions(+), 9 deletions(-)
---
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index a1d1533..17e0c9b 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -883,17 +883,24 @@ gtk_style_context_lookup_style (GtkStyleContext *context)
   if (cssnode->values)
     return cssnode->values;
 
-  values = g_hash_table_lookup (priv->style_values, cssnode->decl);
-  if (values)
+  if (!gtk_style_context_is_saved (context))
     {
-      gtk_css_node_set_values (cssnode, values);
-      return values;
+      values = build_properties (context, cssnode->decl, TRUE, gtk_css_node_get_parent_style (context, 
cssnode));
     }
+  else
+    {
+      values = g_hash_table_lookup (priv->style_values, cssnode->decl);
+      if (values)
+        {
+          gtk_css_node_set_values (cssnode, values);
+          return values;
+        }
 
-  values = build_properties (context, cssnode->decl, FALSE, gtk_css_node_get_parent_style (context, 
cssnode));
-  g_hash_table_insert (priv->style_values,
-                       gtk_css_node_declaration_ref (cssnode->decl),
-                       g_object_ref (values));
+      values = build_properties (context, cssnode->decl, FALSE, gtk_css_node_get_parent_style (context, 
cssnode));
+      g_hash_table_insert (priv->style_values,
+                           gtk_css_node_declaration_ref (cssnode->decl),
+                           g_object_ref (values));
+    }
   
   gtk_css_node_set_values (cssnode, values);
   g_object_unref (values);