nuxPostman

/*
    Simple Frame Postman

    version 1.1.0

    Usage:
    var oPostman = new nuxPostman({
        strDestFrameId : 'iframe_id',           // id of a frame (or iframe) element that will receive messages
        strDestFrameDomain : "nux:8081",        // domain of the frame e.g. 'www.example.com', 'www.example.com:8080'...

        strMsgSourceDomain : "localhost:8081"   // domain of the sender (the window that is sending the message) formated as above
        or
        // domain regexp match (only for advanced users!)
        // use :// match at the begining of your regexp and $ at the end to avoid to broad matches
        reMsgSourceBaseUrls : /:\/\/(localhost(:[0-9]+)?|nux(:[0-9]+)?|nuxlap7(:[0-9]+)?)$/
    });
*/
function nuxPostman(oParams)
{
    this.strDestFrameId = oParams.strDestFrameId;
    this.strDestFrameBaseUrl = "http://"+oParams.strDestFrameDomain;
    if (typeof(oParams.strMsgSourceDomain)!='undefined')
    {
        this.strMsgSourceBaseUrl = "http://"+oParams.strMsgSourceDomain;
    }
    if (typeof(oParams.reMsgSourceBaseUrls)!='undefined')
    {
        this.reMsgSourceBaseUrls = oParams.reMsgSourceBaseUrls;
    }

    /*
        Send given message (strMsg) - should be run outside the frame
    */
    this.send = function(strMsg)
    {
        // debug
        if (typeof(window.console)=="object" && typeof(window.console.log)=="function")
        {
            console.log ('send to:'+this.strDestFrameBaseUrl);
        }

        var winFrame = document.getElementById(this.strDestFrameId).contentWindow;
        winFrame.postMessage(
            strMsg,
            this.strDestFrameBaseUrl
        );
    }

    /*
        Inits reciever - should be run inside the frame

        funMsgReceiver is a function that will be called upon receiving the message
    */
    this.initReceiver = function(funMsgReceiver)
    {
        var _this = this;
        window.addEventListener("message", function(e)
        {
            // debug
            if (typeof(window.console)=="object" && typeof(window.console.log)=="function")
            {
                console.log ('received from:'+e.origin);
                //debugger;
            }

            if (typeof(_this.reMsgSourceBaseUrls)!='undefined')
            {
                if (e.origin.search(_this.reMsgSourceBaseUrls)<0)
                {
                    return;
                }
            }
            else if (e.origin !== _this.strMsgSourceBaseUrl)
            {
                return;
            }
            funMsgReceiver(e.data);
        }, false);
    }
}


/*

*
framemsg.initSender = function ()
{
    document.getElementById("form").onsubmit = function(e)
    {
        oPostman.send(document.getElementById("msg").value);
        e.preventDefault();
    };
}

/*

*
framemsg.initReceiver = function ()
{
    oPostman.initReceiver(function(strMsg)
    {
        document.getElementById("test").textContent = "parent said: " + strMsg;
    });
}
/**/