'use strict';var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
    switch (arguments.length) {
        case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
        case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
        case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
    }
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var angular2_1 = require('angular2/angular2');
var lang_1 = require('angular2/src/core/facade/lang');
var _nextRequestId = 0;
exports.JSONP_HOME = '__ng_jsonp__';
var _jsonpConnections = null;
function _getJsonpConnections() {
    if (_jsonpConnections === null) {
        _jsonpConnections = lang_1.global[exports.JSONP_HOME] = {};
    }
    return _jsonpConnections;
}
// Make sure not to evaluate this in a non-browser environment!
var BrowserJsonp = (function () {
    function BrowserJsonp() {
    }
    // Construct a <script> element with the specified URL
    BrowserJsonp.prototype.build = function (url) {
        var node = document.createElement('script');
        node.src = url;
        return node;
    };
    BrowserJsonp.prototype.nextRequestID = function () { return "__req" + _nextRequestId++; };
    BrowserJsonp.prototype.requestCallback = function (id) { return exports.JSONP_HOME + "." + id + ".finished"; };
    BrowserJsonp.prototype.exposeConnection = function (id, connection) {
        var connections = _getJsonpConnections();
        connections[id] = connection;
    };
    BrowserJsonp.prototype.removeConnection = function (id) {
        var connections = _getJsonpConnections();
        connections[id] = null;
    };
    // Attach the <script> element to the DOM
    BrowserJsonp.prototype.send = function (node) { document.body.appendChild((node)); };
    // Remove <script> element from the DOM
    BrowserJsonp.prototype.cleanup = function (node) {
        if (node.parentNode) {
            node.parentNode.removeChild((node));
        }
    };
    BrowserJsonp = __decorate([
        angular2_1.Injectable(), 
        __metadata('design:paramtypes', [])
    ], BrowserJsonp);
    return BrowserJsonp;
})();
exports.BrowserJsonp = BrowserJsonp;
//# sourceMappingURL=browser_jsonp.js.map