/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { NgZone } from '@angular/core';
import { ListWrapper } from './facade/collection';
import { StringWrapper, global, isPresent, isString } from './facade/lang';
import { getDOM } from './private_import_platform-browser';
export var BrowserDetection = (function () {
    function BrowserDetection(ua) {
        this._overrideUa = ua;
    }
    Object.defineProperty(BrowserDetection.prototype, "_ua", {
        get: function () {
            if (isPresent(this._overrideUa)) {
                return this._overrideUa;
            }
            else {
                return isPresent(getDOM()) ? getDOM().getUserAgent() : '';
            }
        },
        enumerable: true,
        configurable: true
    });
    BrowserDetection.setup = function () { browserDetection = new BrowserDetection(null); };
    Object.defineProperty(BrowserDetection.prototype, "isFirefox", {
        get: function () { return this._ua.indexOf('Firefox') > -1; },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isAndroid", {
        get: function () {
            return this._ua.indexOf('Mozilla/5.0') > -1 && this._ua.indexOf('Android') > -1 &&
                this._ua.indexOf('AppleWebKit') > -1 && this._ua.indexOf('Chrome') == -1 &&
                this._ua.indexOf('IEMobile') == -1;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isEdge", {
        get: function () { return this._ua.indexOf('Edge') > -1; },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isIE", {
        get: function () { return this._ua.indexOf('Trident') > -1; },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isWebkit", {
        get: function () {
            return this._ua.indexOf('AppleWebKit') > -1 && this._ua.indexOf('Edge') == -1 &&
                this._ua.indexOf('IEMobile') == -1;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isIOS7", {
        get: function () {
            return (this._ua.indexOf('iPhone OS 7') > -1 || this._ua.indexOf('iPad OS 7') > -1) &&
                this._ua.indexOf('IEMobile') == -1;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isSlow", {
        get: function () { return this.isAndroid || this.isIE || this.isIOS7; },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "supportsNativeIntlApi", {
        // The Intl API is only natively supported in Chrome, Firefox, IE11 and Edge.
        // This detector is needed in tests to make the difference between:
        // 1) IE11/Edge: they have a native Intl API, but with some discrepancies
        // 2) IE9/IE10: they use the polyfill, and so no discrepancies
        get: function () {
            return !!global.Intl && global.Intl !== global.IntlPolyfill;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isChromeDesktop", {
        get: function () {
            return this._ua.indexOf('Chrome') > -1 && this._ua.indexOf('Mobile Safari') == -1 &&
                this._ua.indexOf('Edge') == -1;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(BrowserDetection.prototype, "isOldChrome", {
        // "Old Chrome" means Chrome 3X, where there are some discrepancies in the Intl API.
        // Android 4.4 and 5.X have such browsers by default (respectively 30 and 39).
        get: function () {
            return this._ua.indexOf('Chrome') > -1 && this._ua.indexOf('Chrome/3') > -1 &&
                this._ua.indexOf('Edge') == -1;
        },
        enumerable: true,
        configurable: true
    });
    return BrowserDetection;
}());
BrowserDetection.setup();
export function dispatchEvent(element /** TODO #9100 */, eventType /** TODO #9100 */) {
    getDOM().dispatchEvent(element, getDOM().createEvent(eventType));
}
export function el(html) {
    return getDOM().firstChild(getDOM().content(getDOM().createTemplate(html)));
}
export function normalizeCSS(css) {
    css = StringWrapper.replaceAll(css, /\s+/g, ' ');
    css = StringWrapper.replaceAll(css, /:\s/g, ':');
    css = StringWrapper.replaceAll(css, /'/g, '"');
    css = StringWrapper.replaceAll(css, / }/g, '}');
    css = StringWrapper.replaceAllMapped(css, /url\((\"|\s)(.+)(\"|\s)\)(\s*)/g, function (match /** TODO #9100 */) { return ("url(\"" + match[2] + "\")"); });
    css = StringWrapper.replaceAllMapped(css, /\[(.+)=([^"\]]+)\]/g, function (match /** TODO #9100 */) { return ("[" + match[1] + "=\"" + match[2] + "\"]"); });
    return css;
}
var _singleTagWhitelist = ['br', 'hr', 'input'];
export function stringifyElement(el /** TODO #9100 */) {
    var result = '';
    if (getDOM().isElementNode(el)) {
        var tagName = getDOM().tagName(el).toLowerCase();
        // Opening tag
        result += "<" + tagName;
        // Attributes in an ordered way
        var attributeMap = getDOM().attributeMap(el);
        var keys = [];
        attributeMap.forEach(function (v, k) { return keys.push(k); });
        ListWrapper.sort(keys);
        for (var i = 0; i < keys.length; i++) {
            var key = keys[i];
            var attValue = attributeMap.get(key);
            if (!isString(attValue)) {
                result += " " + key;
            }
            else {
                result += " " + key + "=\"" + attValue + "\"";
            }
        }
        result += '>';
        // Children
        var childrenRoot = getDOM().templateAwareRoot(el);
        var children = isPresent(childrenRoot) ? getDOM().childNodes(childrenRoot) : [];
        for (var j = 0; j < children.length; j++) {
            result += stringifyElement(children[j]);
        }
        // Closing tag
        if (!ListWrapper.contains(_singleTagWhitelist, tagName)) {
            result += "</" + tagName + ">";
        }
    }
    else if (getDOM().isCommentNode(el)) {
        result += "<!--" + getDOM().nodeValue(el) + "-->";
    }
    else {
        result += getDOM().getText(el);
    }
    return result;
}
export var browserDetection = new BrowserDetection(null);
export function createNgZone() {
    return new NgZone({ enableLongStackTrace: true });
}
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