oxjs/source/Ox.UI/js/Core/Message.js

/*@
Ox.Message <o> Message controller
@*/

Ox.Message = (function() {

    var that = {},
        callbacks = [];

    window.addEventListener('message', function(e) {
        var data = {};
        try {
            data = JSON.parse(e.data);
        } catch(e) {}
        if (data.event == 'init') {
            window.oxid = data.data.id;
        } else if (data.event) {
            callbacks.forEach(function(callback) {
                callback(data.event, data.data, data.oxid);
            });
        } else {
            Ox.Log('Core', 'unknown message', e.data);
        }
    });

    that.bind = function(callback) {
        callbacks.push(callback);
    };

    that.post = function(/*[target, ]event, data */) {
        var target, data, event;
        if (arguments.length == 2) {
            target = window.parent;
            event = arguments[0];
            data = arguments[1];
        } else {
            target = (
                Ox.isElement(arguments[0][0])
                ? arguments[0][0]
                : $('#' + arguments[0])[0]
            ).contentWindow;
            event = arguments[1];
            data = arguments[2];
        }
        target.postMessage(JSON.stringify({
            event: event,
            data: data,
            oxid: window.oxid
        }), '*');
    };

    return that;

})();