Merging RDF_BRANCH onto tip.

git-svn-id: svn://10.0.0.236/trunk@3071 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/lib/layout/layimage.c

@@ -2604,6 +2604,10 @@ static void
 lo_image_pixmap_update(MWContext *context, LO_ImageStruct *lo_image,
                        IL_Rect *update_rect)
 {
+#ifdef XP_WIN
+	IL_ImageReq *image_req = NULL;	// See below at the end of the function.
+#endif
+
     /* This lo_image cannot correspond to an icon since we are receiving
        pixmap update messages. */
     lo_image->is_icon = FALSE;
@@ -2633,6 +2637,18 @@ lo_image_pixmap_update(MWContext *context, LO_ImageStruct *lo_image,
                                PR_TRUE); /* XXX FALSE on the final update? */
         }
     }
+
+#ifdef XP_WIN
+	
+	// This is a hack in the update event to allow RDF images to get updates
+	// even though they have no compositors in their contexts.
+	if (context->type == MWContextIcon)
+	{
+		image_req = lo_image->image_req;
+		if (image_req)
+			IL_DisplaySubImage(image_req, 0, 0, 0, 0, 1, 1); // Forces a DisplayPixmap update.
+	}
+#endif
 }
 
 static void