/*jslint eqeqeq: false, onevar: false*/
/*global sinon, module, require, ActiveXObject, XMLHttpRequest, DOMParser*/
/**
 * Minimal Event interface implementation
 *
 * Original implementation by Sven Fuchs: https://gist.github.com/995028
 * Modifications and tests by Christian Johansen.
 *
 * @author Sven Fuchs (svenfuchs@artweb-design.de)
 * @author Christian Johansen (christian@cjohansen.no)
 * @license BSD
 *
 * Copyright (c) 2011 Sven Fuchs, Christian Johansen
 */
"use strict";

if (typeof sinon == "undefined") {
    this.sinon = {};
}

(function () {
    var push = [].push;

    sinon.Event = function Event(type, bubbles, cancelable, target) {
        this.initEvent(type, bubbles, cancelable, target);
    };

    sinon.Event.prototype = {
        initEvent: function(type, bubbles, cancelable, target) {
            this.type = type;
            this.bubbles = bubbles;
            this.cancelable = cancelable;
            this.target = target;
        },

        stopPropagation: function () {},

        preventDefault: function () {
            this.defaultPrevented = true;
        }
    };

    sinon.ProgressEvent = function ProgressEvent(type, progressEventRaw, target) {
        this.initEvent(type, false, false, target);
        this.loaded = progressEventRaw.loaded || null;
        this.total = progressEventRaw.total || null;
    };

    sinon.ProgressEvent.prototype = new sinon.Event();

    sinon.ProgressEvent.prototype.constructor =  sinon.ProgressEvent;

    sinon.CustomEvent = function CustomEvent(type, customData, target) {
        this.initEvent(type, false, false, target);
        this.detail = customData.detail || null;
    };

    sinon.CustomEvent.prototype = new sinon.Event();

    sinon.CustomEvent.prototype.constructor =  sinon.CustomEvent;

    sinon.EventTarget = {
        addEventListener: function addEventListener(event, listener) {
            this.eventListeners = this.eventListeners || {};
            this.eventListeners[event] = this.eventListeners[event] || [];
            push.call(this.eventListeners[event], listener);
        },

        removeEventListener: function removeEventListener(event, listener) {
            var listeners = this.eventListeners && this.eventListeners[event] || [];

            for (var i = 0, l = listeners.length; i < l; ++i) {
                if (listeners[i] == listener) {
                    return listeners.splice(i, 1);
                }
            }
        },

        dispatchEvent: function dispatchEvent(event) {
            var type = event.type;
            var listeners = this.eventListeners && this.eventListeners[type] || [];

            for (var i = 0; i < listeners.length; i++) {
                if (typeof listeners[i] == "function") {
                    listeners[i].call(this, event);
                } else {
                    listeners[i].handleEvent(event);
                }
            }

            return !!event.defaultPrevented;
        }
    };
}());