Initial commit

A plugin for metacity-clutter (mutter) that initializes Javascript
and via Javascript adds an object to the mutter scene graph.

src/gnome-shell-plugin.c: metacity-clutter-plugin
src/shell-global.[ch]: Simple global-information object
js/: Directory for javascript
scripts/start-in-Xephyr: Launch metacity with our plugin
  "nested" within an Xephy X server

svn path=/trunk/; revision=2

src/shell-global.c

@@ -0,0 +1,58 @@
+#include "shell-global.h"
+
+struct _ShellGlobal {
+  GObject parent;
+
+  ClutterActor *overlay_group;
+};
+
+struct _ShellGlobalClass {
+  GObjectClass parent_class;
+};
+
+G_DEFINE_TYPE(ShellGlobal, shell_global, G_TYPE_OBJECT);
+
+static void
+shell_global_init(ShellGlobal *global)
+{
+}
+
+static void
+shell_global_class_init(ShellGlobalClass *klass)
+{
+}
+
+ShellGlobal *
+shell_global_get (void)
+{
+  static ShellGlobal *the_object = NULL;
+
+  if (!the_object)
+    the_object = g_object_new (SHELL_TYPE_GLOBAL, 0);
+
+  return the_object;
+}
+
+void
+shell_global_set_overlay_group (ShellGlobal  *global,
+				ClutterActor *overlay_group)
+{
+  g_object_ref (overlay_group);
+
+  if (global->overlay_group)
+    g_object_unref(global->overlay_group);
+
+  global->overlay_group = overlay_group;
+}
+
+ClutterActor *
+shell_global_get_overlay_group (ShellGlobal  *global)
+{
+  return global->overlay_group;
+}
+
+void
+shell_global_print_hello (ShellGlobal *global)
+{
+  g_print("Hello World!\n");
+}