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https://git.proxmox.com/git/mirror_novnc
synced 2025-04-29 10:11:25 +00:00
7f5b51acf3
Try to be more consistent in how we capitalize things. Both the "Title Case" and "Sentence case" styles are popular, so either would work. Google and Mozilla both prefer "Sentence case", so let's follow them.
80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2019 The noVNC authors
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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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// Fallback for all uncought errors
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function handleError(event, err) {
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try {
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const msg = document.getElementById('noVNC_fallback_errormsg');
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// Work around Firefox bug:
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// https://bugzilla.mozilla.org/show_bug.cgi?id=1685038
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if (event.message === "ResizeObserver loop completed with undelivered notifications.") {
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return false;
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}
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// Only show the initial error
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if (msg.hasChildNodes()) {
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return false;
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}
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let div = document.createElement("div");
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div.classList.add('noVNC_message');
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div.appendChild(document.createTextNode(event.message));
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msg.appendChild(div);
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if (event.filename) {
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div = document.createElement("div");
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div.className = 'noVNC_location';
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let text = event.filename;
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if (event.lineno !== undefined) {
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text += ":" + event.lineno;
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if (event.colno !== undefined) {
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text += ":" + event.colno;
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}
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}
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div.appendChild(document.createTextNode(text));
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msg.appendChild(div);
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}
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if (err && err.stack) {
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div = document.createElement("div");
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div.className = 'noVNC_stack';
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div.appendChild(document.createTextNode(err.stack));
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msg.appendChild(div);
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}
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document.getElementById('noVNC_fallback_error')
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.classList.add("noVNC_open");
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} catch (exc) {
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document.write("noVNC encountered an error.");
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}
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// Try to disable keyboard interaction, best effort
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try {
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// Remove focus from the currently focused element in order to
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// prevent keyboard interaction from continuing
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if (document.activeElement) { document.activeElement.blur(); }
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// Don't let any element be focusable when showing the error
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let keyboardFocusable = 'a[href], button, input, textarea, select, details, [tabindex]';
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document.querySelectorAll(keyboardFocusable).forEach((elem) => {
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elem.setAttribute("tabindex", "-1");
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});
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} catch (exc) {
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// Do nothing
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}
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// Don't return true since this would prevent the error
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// from being printed to the browser console.
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return false;
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}
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window.addEventListener('error', evt => handleError(evt, evt.error));
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window.addEventListener('unhandledrejection', evt => handleError(evt.reason, evt.reason));
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