mastodon/app/javascript/flavours/glitch/is_mobile.js

56 lines
1.3 KiB
JavaScript

// @ts-check
import { supportsPassiveEvents } from 'detect-passive-events';
import { forceSingleColumn } from 'flavours/glitch/initial_state';
const LAYOUT_BREAKPOINT = 630;
/**
* @param {number} width
* @returns {boolean}
*/
export const isMobile = width => width <= LAYOUT_BREAKPOINT;
/**
* @param {string} layout_local_setting
* @returns {string}
*/
export const layoutFromWindow = (layout_local_setting) => {
switch (layout_local_setting) {
case 'multiple':
return 'multi-column';
case 'single':
if (isMobile(window.innerWidth)) {
return 'mobile';
} else {
return 'single-column';
}
default:
if (isMobile(window.innerWidth)) {
return 'mobile';
} else if (forceSingleColumn) {
return 'single-column';
} else {
return 'multi-column';
}
}
};
const iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
const listenerOptions = supportsPassiveEvents ? { passive: true } : false;
let userTouching = false;
const touchListener = () => {
userTouching = true;
window.removeEventListener('touchstart', touchListener, listenerOptions);
};
window.addEventListener('touchstart', touchListener, listenerOptions);
export const isUserTouching = () => userTouching;
export const isIOS = () => iOS;