64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
/*global safari:true*/
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// Initializes an object that lets us know about our capabilities.
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export default {
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name: "sniff-capabilities",
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initialize(container, application) {
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const $html = $("html"),
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touch = navigator.maxTouchPoints > 1 || "ontouchstart" in window,
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caps = { touch };
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// Store the touch ability in our capabilities object
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$html.addClass(
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touch ? "touch discourse-touch" : "no-touch discourse-no-touch"
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);
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// Detect Devices
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if (navigator) {
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const ua = navigator.userAgent;
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if (ua) {
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caps.isAndroid = ua.indexOf("Android") !== -1;
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caps.isWinphone = ua.indexOf("Windows Phone") !== -1;
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caps.isOpera = !!window.opera || ua.indexOf(" OPR/") >= 0;
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caps.isFirefox = typeof InstallTrigger !== "undefined";
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caps.isSafari =
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Object.prototype.toString
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.call(window.HTMLElement)
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.indexOf("Constructor") > 0 ||
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(function(p) {
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return p.toString() === "[object SafariRemoteNotification]";
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})(!window["safari"] || safari.pushNotification);
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caps.isChrome = !!window.chrome && !caps.isOpera;
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caps.isIE11 = !!ua.match(/Trident.*rv\:11\./);
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caps.canPasteImages = caps.isChrome || caps.isFirefox;
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}
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caps.isIpadOS =
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ua.indexOf("Mac OS") !== -1 &&
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!/iPhone|iPod/.test(navigator.userAgent) &&
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touch;
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caps.isIOS =
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(/iPhone|iPod/.test(navigator.userAgent) || caps.isIpadOS) &&
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!window.MSStream;
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caps.hasContactPicker =
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"contacts" in navigator && "ContactsManager" in window;
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caps.canVibrate = "vibrate" in navigator;
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}
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// We consider high res a device with 1280 horizontal pixels. High DPI tablets like
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// iPads should report as 1024.
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caps.highRes = window.screen.width >= 1280;
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// Inject it
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application.register("capabilities:main", caps, { instantiate: false });
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application.inject("view", "capabilities", "capabilities:main");
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application.inject("controller", "capabilities", "capabilities:main");
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application.inject("component", "capabilities", "capabilities:main");
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}
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};
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