/*
    This file is part of ethereum.js.

    ethereum.js is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    ethereum.js is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file qt.js
 * @authors:
 *   Marek Kotewicz <marek@ethdev.com>
 * @date 2014
 */

(function() {
    var QtProvider = function() {
        this.handlers = [];
        
        var self = this;
        navigator.qt.onmessage = function (message) {
            self.handlers.forEach(function (handler) {
                handler.call(self, JSON.parse(message.data));
            });
        }
    };

    QtProvider.prototype.send = function(payload) {
        navigator.qt.postMessage(JSON.stringify(payload));
    };

    Object.defineProperty(QtProvider.prototype, "onmessage", {
        set: function(handler) {
            this.handlers.push(handler);
        },
    }); 

    if(typeof(web3) !== "undefined" && web3.providers !== undefined) {
        web3.providers.QtProvider = QtProvider;
    }
})();