source: Dev/trunk/src/client/dojox/timing/doLater.js

define(["./_base"], function(dxt){
        dojo.experimental("dojox.timing.doLater");

        dxt.doLater = function(/*anything*/conditional,/*Object ?*/context, /* Number ? */interval){
                // summary:
                //              Check if a parameter is ready, and if not,
                //              "do later". doLater will ping the parameter
                //              until it evaluates to something (truthy).
                //              It thens calls the caller with original
                //              arguments, using the supplied context or
                //              window.
                // description:
                //              dojox.timing.doLater(conditional) is testing if the call
                //              should be done later. So it returns
                //              true if the param is false.
                // conditional: anything
                //              Can be a property that eventually gets set, or
                //              an expression, method... anything that can be
                //              evaluated.
                // context:     Object
                //              The namespace where the call originated.
                //              Defaults to global and anonymous functions
                // interval:    Number
                //              Poll time to check conditional in Milliseconds
                // example:
                //      | setTimeout(function(){
                //      |               if(dojox.timing.doLater(app.ready)){return;}
                //      |               console.log("Code is ready! anonymous.function SUCCESS")
                //      |       },700);

                if(conditional){ return false; }  // Boolean
                var callback = dxt.doLater.caller,
                        args = dxt.doLater.caller.arguments;
                interval = interval || 100;
                context = context || dojo.global;
                
                setTimeout(function(){
                        callback.apply(context, args);
                },interval);
                return true; // Boolean
        };
        return dxt.doLater;
});