121 строка
4.8 KiB
JavaScript
121 строка
4.8 KiB
JavaScript
define('capabilities', ['settings'], function(settings) {
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function safeMatchMedia(query) {
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var m = window.matchMedia(query);
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return !!m && m.matches;
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}
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var osInfo = {
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windows: {
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name: 'Windows', regex: /Windows/, slug: 'windows',
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},
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mac: {
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name: 'Mac OS X', regex: /Mac OS X 10[_\.](\d+)/, slug: 'mac',
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},
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linux: {
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name: 'Linux', regex: /Linux/, slug: 'linux',
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},
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android: {
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name: 'Android', regex: /Android/, slug: 'android',
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},
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};
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function detectOS(navigator) {
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navigator = navigator || window.navigator;
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var matchData;
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var os;
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var osNames = Object.keys(osInfo);
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for (var i = 0; i < osNames.length; i++) {
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os = osInfo[osNames[i]];
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matchData = os.regex.exec(navigator.userAgent);
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if (matchData) {
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return {
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name: os.name,
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slug: os.slug,
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// Return `undefined` not `NaN` if we don't detect version.
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version: matchData[1] && parseInt(matchData[1], 10),
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};
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}
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}
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return {};
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}
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var static_caps = {
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'JSON': window.JSON && typeof JSON.parse === 'function',
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'debug': document.location.href.indexOf('dbg') >= 0,
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'debug_in_page': document.location.href.indexOf('dbginpage') >= 0,
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'console': window.console && typeof window.console.log === 'function',
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'replaceState': typeof history.replaceState === 'function',
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'chromeless': !!(window.locationbar && !window.locationbar.visible),
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'webApps': !!(navigator.mozApps && navigator.mozApps.install),
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'packagedWebApps': !!(navigator.mozApps && navigator.mozApps.installPackage),
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'userAgent': navigator.userAgent,
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'widescreen': function() { return safeMatchMedia('(min-width: 710px)'); },
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'firefoxAndroid': navigator.userAgent.indexOf('Firefox') !== -1 && navigator.userAgent.indexOf('Android') !== -1,
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'touch': !!(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch),
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'performance': !!(window.performance || window.msPerformance || window.webkitPerformance || window.mozPerformance),
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'navPay': !!navigator.mozPay,
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'webactivities': !!(navigator.setMessageHandler || navigator.mozSetMessageHandler),
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'firefoxOS': navigator.mozApps && navigator.mozApps.installPackage &&
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navigator.userAgent.indexOf('Android') === -1 &&
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(navigator.userAgent.indexOf('Mobile') !== -1 || navigator.userAgent.indexOf('Tablet') !== -1),
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'phantom': navigator.userAgent.match(/Phantom/), // Don't use this if you can help it.
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'detectOS': detectOS,
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'os': detectOS(),
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};
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static_caps.nativeFxA = function() {
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return (static_caps.firefoxOS && window.location.protocol === 'app:' &&
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navigator.userAgent.match(/rv:(\d{2})/)[1] >= 34);
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};
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static_caps.yulelogFxA = function() {
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return (static_caps.firefoxOS && window.top !== window.self &&
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settings.switches.indexOf('native-firefox-accounts') !== -1 &&
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navigator.userAgent.match(/rv:(\d{2})/)[1] >= 34);
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};
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static_caps.fallbackFxA = function() {
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return (!(static_caps.nativeFxA() || static_caps.yulelogFxA()));
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};
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/* Returns device platform name without the form factor ('dev' API parameter). */
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static_caps.device_platform = function() {
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if (static_caps.firefoxOS) {
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return 'firefoxos';
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} else if (static_caps.firefoxAndroid) {
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return 'android';
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}
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return 'desktop';
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};
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/* Returns device form factor alone, i.e. 'tablet' or 'mobile' ('device' API parameter).
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* Only supported for Android currently. */
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static_caps.device_formfactor = function() {
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if (static_caps.firefoxAndroid) {
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if (static_caps.widescreen()) {
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return 'tablet';
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}
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return 'mobile';
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}
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return '';
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};
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/* Returns full device type information, e.g. 'android-mobile' or 'firefoxos' as exposed by the API. */
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static_caps.device_type = function() {
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var device_platform = static_caps.device_platform();
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var device_formfactor = static_caps.device_formfactor();
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if (device_platform && device_formfactor) {
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return device_platform + '-' + device_formfactor;
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}
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return device_platform;
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};
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// OS X requires some extra work to install apps that aren't from the
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// App Store. See bug 1112275 for more info.
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static_caps.osXInstallIssues = static_caps.os.slug === 'mac' &&
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static_caps.os.version >= 9;
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return static_caps;
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});
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