Fix ON_DEMAND_RENDER mode on Mac OSX....

plugin/linux/main_linux.cc

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 64 matching lines @@
 }
 
 // Xt support functions
 
 void LinuxTimer(XtPointer data, XtIntervalId* id) {
   PluginObject *obj = static_cast<PluginObject *>(data);
   DCHECK(obj->xt_interval_ == *id);
   obj->client()->Tick();
   obj->draw_ = true;
   if (obj->renderer()) {
-    if (obj->client()->NeedsContinuousRender() ||
-        obj->renderer()->need_to_render()) {
-
+    if (obj->client()->NeedsRender()) {
       // NOTE: this draws no matter what instead of just invalidating the
       // region, which means it will execute even if the plug-in window is
       // invisible.
       DrawPlugin(obj);
     }
   }
   obj->xt_interval_ =
       XtAppAddTimeOut(obj->xt_app_context_, 8, LinuxTimer, obj);
 }
 
@@ skipping 500 matching lines @@
                                         gpointer user_data) {
   PluginObject *obj = static_cast<PluginObject *>(user_data);
   return obj->OnGtkDelete(widget, event);
 }
 
 static gboolean GtkTimeoutCallback(gpointer user_data) {
   PluginObject *obj = static_cast<PluginObject *>(user_data);
   obj->draw_ = true;
   obj->client()->Tick();
   if (obj->renderer()) {
-    if (obj->client()->NeedsContinuousRender() ||
-        obj->renderer()->need_to_render()) {
-
+    if (obj->client()->NeedsRender()) {
       GtkWidget *widget;
       if (obj->fullscreen()) {
         widget = obj->gtk_fullscreen_container_;
       } else {
         widget = obj->gtk_container_;
       }
       gtk_widget_queue_draw(widget);
     }
   }
   return TRUE;
@@ skipping 335 matching lines @@
   client()->SendResizeEvent(renderer()->width(), renderer()->height(),
                             false);
   SetGtkEventSource(gtk_container_);
   gtk_widget_destroy(gtk_fullscreen_container_);
   gtk_fullscreen_container_ = NULL;
   fullscreen_window_ = 0;
   fullscreen_ = false;
 }
 }  // namespace _o3d
 }  // namespace glue