// Licensed to the Software Freedom Conservancy (SFC) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The SFC licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License. You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied. See the License for the

// specific language governing permissions and limitations

// under the License.

/**

* @fileoverview Similar to goog.userAgent.isVersion, but with support for

* getting the version information when running in a firefox extension.

*/

goog.provide('bot.userAgent');

goog.require('goog.string');

goog.require('goog.userAgent');

goog.require('goog.userAgent.product');

goog.require('goog.userAgent.product.isVersion');

/**

* Whether the rendering engine version of the current browser is equal to or

* greater than the given version. This implementation differs from

* goog.userAgent.isVersion in the following ways:

* <ol>

* <li>in a Firefox extension, tests the engine version through the XUL version

* comparator service, because no window.navigator object is available

* <li>in IE, compares the given version to the current documentMode

* </ol>

*

* @param {string|number} version The version number to check.

* @return {boolean} Whether the browser engine version is the same or higher

* than the given version.

*/

bot.userAgent.isEngineVersion = function (version) {

if (goog.userAgent.IE) {

return goog.string.compareVersions(

/** @type {number} */(goog.userAgent.DOCUMENT_MODE), version) >= 0;

} else {

return goog.userAgent.isVersionOrHigher(version);

}

};

/**

* Whether the product version of the current browser is equal to or greater

* than the given version. This implementation differs from

* goog.userAgent.product.isVersion in the following ways:

* <ol>

* <li>in a Firefox extension, tests the product version through the XUL version

* comparator service, because no window.navigator object is available

* <li>on Android, always compares to the version to the OS version

* </ol>

*

* @param {string|number} version The version number to check.

* @return {boolean} Whether the browser product version is the same or higher

* than the given version.

*/

bot.userAgent.isProductVersion = function (version) {

if (goog.userAgent.product.ANDROID) {

return goog.string.compareVersions(

bot.userAgent.ANDROID_VERSION_, version) >= 0;

} else {

return goog.userAgent.product.isVersion(version);

}

};

/**

* Whether we are a WebExtension.

*

* @const

* @type {boolean}

*/

bot.userAgent.WEBEXTENSION = (function () {

// The content script global object is different than it's window

// Which requires accessing the chrome and browser objects through this

try {

return !!((goog.global.chrome || goog.global.browser)['extension']);

} catch (e) {

return false;

}

})();

/**

* Whether we are on IOS.

*

* @const

* @type {boolean}

*/

bot.userAgent.IOS = goog.userAgent.product.IPAD ||

goog.userAgent.product.IPHONE;

/**

* Whether we are on a mobile browser.

*

* @const

* @type {boolean}

*/

bot.userAgent.MOBILE = bot.userAgent.IOS || goog.userAgent.product.ANDROID;

/**

* Android Operating System Version.

* @private {string}

* @const

*/

bot.userAgent.ANDROID_VERSION_ = (function () {

if (goog.userAgent.product.ANDROID) {

var userAgentString = goog.userAgent.getUserAgentString();

var match = /Android\s+([0-9\.]+)/.exec(userAgentString);

return match ? match[1] : '0';

} else {

return '0';

}

})();

/**

* Whether the current document is IE in a documentMode older than 8.

* @type {boolean}

* @const

*/

bot.userAgent.IE_DOC_PRE8 = goog.userAgent.IE &&

!goog.userAgent.isDocumentModeOrHigher(8);

/**

* Whether the current document is IE in IE9 (or newer) standards mode.

* @type {boolean}

* @const

*/

bot.userAgent.IE_DOC_9 = goog.userAgent.isDocumentModeOrHigher(9);

/**

* Whether the current document is IE in a documentMode older than 9.

* @type {boolean}

* @const

*/

bot.userAgent.IE_DOC_PRE9 = goog.userAgent.IE &&

!goog.userAgent.isDocumentModeOrHigher(9);

/**

* Whether the current document is IE in IE10 (or newer) standards mode.

* @type {boolean}

* @const

*/

bot.userAgent.IE_DOC_10 = goog.userAgent.isDocumentModeOrHigher(10);

/**

* Whether the current document is IE in a documentMode older than 10.

* @type {boolean}

* @const

*/

bot.userAgent.IE_DOC_PRE10 = goog.userAgent.IE &&

!goog.userAgent.isDocumentModeOrHigher(10);

/**

* Whether the current browser is Android pre-gingerbread.

* @type {boolean}

* @const

*/

bot.userAgent.ANDROID_PRE_GINGERBREAD = goog.userAgent.product.ANDROID &&

!bot.userAgent.isProductVersion(2.3);

/**

* Whether the current browser is Android pre-icecreamsandwich

* @type {boolean}

* @const

*/

bot.userAgent.ANDROID_PRE_ICECREAMSANDWICH = goog.userAgent.product.ANDROID &&

!bot.userAgent.isProductVersion(4);

/**

* Whether the current browser is Safari 6.

* @type {boolean}

* @const

*/

bot.userAgent.SAFARI_6 = goog.userAgent.product.SAFARI &&

bot.userAgent.isProductVersion(6);

/**

* Whether the current browser is Windows Phone.

* @type {boolean}

* @const

*/

bot.userAgent.WINDOWS_PHONE = goog.userAgent.IE &&

goog.userAgent.getUserAgentString().indexOf('IEMobile') != -1;