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https://git.proxmox.com/git/mirror_novnc
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3a7c0c67c1
Firefox no longer sends keyup events properly for the Alt keys. Try to sniff out the state of the Alt key by monitoring other events that include its state.
74 lines
2.6 KiB
JavaScript
74 lines
2.6 KiB
JavaScript
/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2012 Joel Martin
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* Licensed under MPL 2.0 (see LICENSE.txt)
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*
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* See README.md for usage and integration instructions.
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*/
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import * as Log from './logging.js';
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// Touch detection
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export var isTouchDevice = ('ontouchstart' in document.documentElement) ||
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// requried for Chrome debugger
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(document.ontouchstart !== undefined) ||
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// required for MS Surface
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(navigator.maxTouchPoints > 0) ||
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(navigator.msMaxTouchPoints > 0);
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window.addEventListener('touchstart', function onFirstTouch() {
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isTouchDevice = true;
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window.removeEventListener('touchstart', onFirstTouch, false);
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}, false);
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var _cursor_uris_supported = null;
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export function supportsCursorURIs () {
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if (_cursor_uris_supported === null) {
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try {
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var target = document.createElement('canvas');
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target.style.cursor = 'url("data:image/x-icon;base64,AAACAAEACAgAAAIAAgA4AQAAFgAAACgAAAAIAAAAEAAAAAEAIAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAD/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////AAAAAAAAAAAAAAAAAAAAAA==") 2 2, default';
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if (target.style.cursor) {
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Log.Info("Data URI scheme cursor supported");
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_cursor_uris_supported = true;
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} else {
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Log.Warn("Data URI scheme cursor not supported");
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_cursor_uris_supported = false;
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}
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} catch (exc) {
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Log.Error("Data URI scheme cursor test exception: " + exc);
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_cursor_uris_supported = false;
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}
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}
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return _cursor_uris_supported;
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};
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export function isMac() {
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return navigator && !!(/mac/i).exec(navigator.platform);
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}
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export function isIE() {
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return navigator && !!(/trident/i).exec(navigator.userAgent);
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}
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export function isEdge() {
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return navigator && !!(/edge/i).exec(navigator.userAgent);
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}
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export function isFirefox() {
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return navigator && !!(/firefox/i).exec(navigator.userAgent);
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}
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export function isWindows() {
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return navigator && !!(/win/i).exec(navigator.platform);
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}
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export function isIOS() {
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return navigator &&
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(!!(/ipad/i).exec(navigator.platform) ||
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!!(/iphone/i).exec(navigator.platform) ||
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!!(/ipod/i).exec(navigator.platform));
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}
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