/**
 * The MIT License (MIT)
 * 
 * Copyright (c) 2014 Petka Antonov
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:</p>
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * 
 */
"use strict";
module.exports = function(Promise, PromiseArray) {
var util = require("./util.js");
var async = require("./async.js");
var errors = require("./errors.js");
var tryCatch1 = util.tryCatch1;
var errorObj = util.errorObj;

Promise.prototype.progressed = function (handler) {
    return this._then(undefined, undefined, handler, undefined, undefined);
};

Promise.prototype._progress = function (progressValue) {
    if (this._isFollowingOrFulfilledOrRejected()) return;
    this._progressUnchecked(progressValue);

};

Promise.prototype._progressHandlerAt = function (index) {
    return index === 0
        ? this._progressHandler0
        : this[(index << 2) + index - 5 + 2];
};

Promise.prototype._doProgressWith = function (progression) {
    var progressValue = progression.value;
    var handler = progression.handler;
    var promise = progression.promise;
    var receiver = progression.receiver;

    var ret = tryCatch1(handler, receiver, progressValue);
    if (ret === errorObj) {
        if (ret.e != null &&
            ret.e.name !== "StopProgressPropagation") {
            var trace = errors.canAttachTrace(ret.e)
                ? ret.e : new Error(ret.e + "");
            promise._attachExtraTrace(trace);
            promise._progress(ret.e);
        }
    } else if (ret instanceof Promise) {
        ret._then(promise._progress, null, null, promise, undefined);
    } else {
        promise._progress(ret);
    }
};


Promise.prototype._progressUnchecked = function (progressValue) {
    if (!this.isPending()) return;
    var len = this._length();
    var progress = this._progress;
    for (var i = 0; i < len; i++) {
        var handler = this._progressHandlerAt(i);
        var promise = this._promiseAt(i);
        if (!(promise instanceof Promise)) {
            var receiver = this._receiverAt(i);
            if (typeof handler === "function") {
                handler.call(receiver, progressValue, promise);
            } else if (receiver instanceof Promise && receiver._isProxied()) {
                receiver._progressUnchecked(progressValue);
            } else if (receiver instanceof PromiseArray &&
                       !receiver._isResolved()) {
                receiver._promiseProgressed(progressValue, promise);
            }
            continue;
        }

        if (typeof handler === "function") {
            this._doProgressWith(({handler: handler,
promise: promise,
receiver: this._receiverAt(i),
value: progressValue}));
        } else {
            progress.call(promise, progressValue);
        }
    }
};
};
