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  1.  
  2. function ServiceManager() {}
  3.  
  4. ServiceManager.Services = new Array();
  5. ServiceManager.Callbacks = new Array();
  6.  
  7. ServiceManager.addCallback = function(callback)
  8. {
  9.     ServiceManager.Callbacks[ServiceManager.Callbacks.length] = callback;
  10. }
  11.  
  12. ServiceManager.getService = function(type, name, id)
  13. {
  14.     var fullId = name + id;
  15.  
  16.     if (!ServiceManager.Services[fullId])
  17.     {
  18.         if (eval("typeof " + name + " != 'function'"))///FIXME: eval = evil!
  19.         {
  20.             if (!loadScript(type + "/" + name + ".js"))
  21.             {
  22.                 //log("Could not load " + name + ".js\n");
  23.                 return null;
  24.             }
  25.         }
  26.        
  27.         ServiceManager.Services[fullId] = eval("(new " + name + "('" + type + "', '" + name + "', " + id + "))");///FIXME: Can we do this without eval??
  28.        
  29.         for (var n in ServiceManager.Callbacks)
  30.         {
  31.             ServiceManager.Callbacks[n](ServiceManager.Services[fullId]);
  32.         }
  33.     }
  34.    
  35.     return ServiceManager.Services[fullId];
  36. }
  37.  
  38. ServiceManager.startService = function(type, name, id, args)
  39. {
  40.     var service = ServiceManager.getService(type, name, id);
  41.     if (service != null)
  42.     {
  43.         service.initialize(args);
  44.     }
  45. }
  46.  
  47. ServiceManager.numServices = function()
  48. {
  49.     return ServiceManager.Services.length;
  50. }
  51.  
  52. ServiceManager.numCallbacks = function()
  53. {
  54.         return ServiceManager.Callbacks.length;
  55. }
  56.  
  57.