83 lines
2.6 KiB
JavaScript
83 lines
2.6 KiB
JavaScript
// Copyright 2010 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview Utilities for getting details about the user's platform.
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*/
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goog.provide('goog.userAgent.platform');
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goog.require('goog.userAgent');
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/**
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* Detects the version of Windows or Mac OS that is running.
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*
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* @private
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* @return {string} The platform version.
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*/
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goog.userAgent.platform.determineVersion_ = function() {
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var version = '', re;
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if (goog.userAgent.WINDOWS) {
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re = /Windows NT ([0-9.]+)/;
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var match = re.exec(goog.userAgent.getUserAgentString());
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if (match) {
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return match[1];
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} else {
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return '0';
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}
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} else if (goog.userAgent.MAC) {
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re = /10[_.][0-9_.]+/;
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var match = re.exec(goog.userAgent.getUserAgentString());
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// Note: some old versions of Camino do not report an OSX version.
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// Default to 10.
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return match ? match[0].replace(/_/g, '.') : '10';
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} else if (goog.userAgent.ANDROID) {
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re = /Android\s+([^\);]+)(\)|;)/;
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var match = re.exec(goog.userAgent.getUserAgentString());
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return match ? match[1] : '';
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} else if (goog.userAgent.IPHONE || goog.userAgent.IPAD) {
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re = /(?:iPhone|CPU)\s+OS\s+(\S+)/;
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var match = re.exec(goog.userAgent.getUserAgentString());
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// Report the version as x.y.z and not x_y_z
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return match ? match[1].replace(/_/g, '.') : '';
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}
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return '';
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};
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/**
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* The version of the platform. We only determine the version for Windows and
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* Mac, since it doesn't make much sense on Linux. For Windows, we only look at
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* the NT version. Non-NT-based versions (e.g. 95, 98, etc.) are given version
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* 0.0
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* @type {string}
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*/
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goog.userAgent.platform.VERSION = goog.userAgent.platform.determineVersion_();
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/**
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* Whether the user agent platform version is higher or the same as the given
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* version.
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*
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* @param {string|number} version The version to check.
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* @return {boolean} Whether the user agent platform version is higher or the
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* same as the given version.
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*/
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goog.userAgent.platform.isVersion = function(version) {
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return goog.string.compareVersions(
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goog.userAgent.platform.VERSION, version) >= 0;
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};
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