Geek-Research-Lab/MeowJS

// states
var isMeowFrameReady;
isMeowFrameReady = false;

// variables
var meowNotifyBundle;

// declarations
var window, document;
var meowNotifyBundle;
var meowNotifyClient;
var meowStorage;
var meowLocalStorage;

// initializaes and called on load page
function meowExternalFrames(message) {
    if(typeof (meowStorage) !== "undefined") {
        // if there is local storage support
        meowNotifyBundle = meowLocalStorage.meowNotifyBundle;
        message = {
            message: "loaded externally"
        };
        meowNotifyClient();
    } else {
        // if not.. then
        message = {
            error: "Fatal error (O_O) -- no meowLocalStorage support"
        };
        meowNotifyClient(message);
    }
}

// Initialization of inner frames called by the client app after the external page (meowExternalFrames) gets loaded.
function meowInnerFrames(meowNotifyBundle, meowID) {
    // meowID => An unique login URL => Location of the meowInnerFrames
    // loading inner frames
    var kiddo = document.createElement('iframe');
    kiddo.src = "https://" + meowID;
    var body = document.getElementsByTagName('body')[0];
    body.appendChild(kiddo);
}

// Cross (Native) message receiver
window.onMessage = function(message) {
    if(message.data === 'ready') {
        
        // iframe loaded
        meowInnerFrames = document.getElementsByTagName('iframe')[0];
        
        // notifying client-side
        //meowNotifyInnerClient();
    } else {
        // JSON parsing
        var data;
        data = JSON.parse(message.data); // data handling
    }
};

// When the meowInnerFrames and meowExternalFrames are ready, then "client app" is notified
// client calls meowExternalFrames() method as a reponse
function meowNotifyClient(message) {
    var iframe = document.createElement("IFRAME");
    iframe.setAttribute("src", "js-frame: meowNotifyClient:" +message);
    document.documentElement.appendChild(iframe);
    iframe.parentNode.removeChild(iframe);
    iframe = null;
}