Backport more code about [19128]. (Close the embedded window only when...

Backport more code about [19128]. (Close the embedded window only when playlist stops on Mac OS X). This part make sure the window won't be animated if it is offscreen.

modules/gui/macosx/vout.m

@@ -844,15 +844,15 @@ int DeviceCallback( vlc_object_t *p_this, const char *psz_variable,
 }
 
 - (BOOL)setVout: (vout_thread_t *) p_arg_vout subView: (NSView *) view
-                     frame: (NSRect *) s_arg_frame
-
+                     frame: (NSRect *) s_arg_frame showWindow: (BOOL)b_show_window
 {
     BOOL b_return;
     b_return = [super setVout: p_arg_vout subView: view frame: s_arg_frame];
     if( b_return )
     {
         o_window = [self window];
-        [o_window makeKeyAndOrderFront: self];
+        if (b_show_window)
+            [o_window makeKeyAndOrderFront: self];
         [o_window setAcceptsMouseMovedEvents: TRUE];
 
         if( var_GetBool( p_real_vout, "video-on-top" ) )
@@ -865,6 +865,13 @@ int DeviceCallback( vlc_object_t *p_this, const char *psz_variable,
     return b_return;
 }
 
+- (BOOL)setVout: (vout_thread_t *) p_arg_vout subView: (NSView *) view
+                     frame: (NSRect *) s_arg_frame
+
+{
+    return [self setVout: p_arg_vout subView: view frame:s_arg_frame showWindow: YES];
+}
+
 - (void)setUsed: (BOOL)b_new_used
 {
     b_used = b_new_used;
@@ -894,7 +901,7 @@ int DeviceCallback( vlc_object_t *p_this, const char *psz_variable,
 - (BOOL)setVout: (vout_thread_t *) p_arg_vout subView: (NSView *) view
                      frame: (NSRect *) s_arg_frame
 {
-    BOOL b_return = [super setVout: p_arg_vout subView: view frame: s_arg_frame];
+    BOOL b_return = [super setVout: p_arg_vout subView: view frame: s_arg_frame showWindow: NO];
 
     /* o_window needs to point to our o_embeddedwindow, super might have set it
      * to the fullscreen window that o_embeddedwindow setups during fullscreen */