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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.require("dojo.Deferred");
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dojo.provide("dojo.DeferredList");
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dojo.DeferredList = function (list, fireOnOneCallback, fireOnOneErrback, consumeErrors, canceller) {
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this.list = list;
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this.resultList = new Array(this.list.length);
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this.chain = [];
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this.id = this._nextId();
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this.fired = -1;
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this.paused = 0;
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this.results = [null, null];
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this.canceller = canceller;
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this.silentlyCancelled = false;
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if (this.list.length === 0 && !fireOnOneCallback) {
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this.callback(this.resultList);
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}
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this.finishedCount = 0;
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this.fireOnOneCallback = fireOnOneCallback;
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this.fireOnOneErrback = fireOnOneErrback;
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this.consumeErrors = consumeErrors;
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var index = 0;
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var _this = this;
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dojo.lang.forEach(this.list, function (d) {
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var _index = index;
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d.addCallback(function (r) {
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_this._cbDeferred(_index, true, r);
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});
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d.addErrback(function (r) {
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_this._cbDeferred(_index, false, r);
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});
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index++;
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});
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};
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dojo.inherits(dojo.DeferredList, dojo.Deferred);
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dojo.lang.extend(dojo.DeferredList, {_cbDeferred:function (index, succeeded, result) {
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this.resultList[index] = [succeeded, result];
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this.finishedCount += 1;
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if (this.fired !== 0) {
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if (succeeded && this.fireOnOneCallback) {
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this.callback([index, result]);
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} else {
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if (!succeeded && this.fireOnOneErrback) {
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this.errback(result);
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} else {
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if (this.finishedCount == this.list.length) {
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this.callback(this.resultList);
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}
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}
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}
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}
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if (!succeeded && this.consumeErrors) {
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result = null;
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}
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return result;
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}, gatherResults:function (deferredList) {
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var d = new dojo.DeferredList(deferredList, false, true, false);
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d.addCallback(function (results) {
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var ret = [];
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for (var i = 0; i < results.length; i++) {
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ret.push(results[i][1]);
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}
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return ret;
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});
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return d;
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}});
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