diff -r 9925bc81b8a8 -r 69a9969daa41 src/js/init.js
--- a/src/js/init.js	Fri Jan 27 17:27:48 2012 +0100
+++ b/src/js/init.js	Mon Jan 30 16:23:55 2012 +0100
@@ -207,3 +207,48 @@
     serializer.sync(IriSP.wrap(widget, function() { this.draw(); }));
     return widget;
 };
+
+/** Go through the defaults to set a reasonable value */
+IriSP.configureDefaults = function(libdir, platform_url) {
+  /* the defaults configuration is messy and complicated. There are two things to know :
+     - we want to allow overwriting of defaults - that's why we have IriSP.widgetDefaults
+       and IriSP.defaults.widgetDefaults. The first is filled by the embedder and then fleshed out
+       with the contents of the first. We use underscore.defaults for that, but there's one problem with
+       this function : it doesn't work recursively.
+     - we need to compute some values at runtime instead of at compile time
+  */
+    
+  IriSP.lib = IriSP.underscore.defaults(IriSP.lib, IriSP.defaults.lib(libdir));
+  
+  /* get the factory defaults for the widgets and merge them with the default the user
+     may have defined 
+  */
+  var factory_defaults = IriSP.defaults.widgetsDefaults(platform_url);
+  for(var widget in factory_defaults) {
+  
+      /* create the object if it doesn't exists */
+      if (IriSP.null_or_undefined(IriSP.widgetsDefaults[widget]))
+        IriSP.widgetsDefaults[widget] = {};
+        
+      IriSP.widgetsDefaults[widget] = IriSP.underscore.defaults(IriSP.widgetsDefaults[widget], factory_defaults[widget]);
+  }
+  
+  IriSP.paths = IriSP.underscore.defaults(IriSP.paths, IriSP.defaults.paths);
+  IriSP.default_templates_vars = IriSP.underscore.defaults(IriSP.default_templates_vars, 
+                                       IriSP.defaults.default_templates_vars());
+};
+
+/** single point of entry for the metadataplayer */
+IriSP.initPlayer = function(config, metadata_url, libdir, platform_url) {
+    IriSP.configureDefaults(libdir, platform_url);
+    IriSP.loadLibs(IriSP.lib, config, metadata_url,
+      function() {   
+              
+              var layoutManager = new IriSP.LayoutManager(config.gui);
+
+              var pop = IriSP.configurePopcorn(layoutManager, config.player);
+              
+              var widgets = IriSP.configureWidgets(pop, layoutManager, config.gui); 
+              var modules = IriSP.configureModules(pop, config.modules); 
+      });
+};
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