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57 lines
2.0 KiB
57 lines
2.0 KiB
// NB: this should *not* be included as a module until we have
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// native support in the browsers, so that our error handler
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// can catch script-loading errors.
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(function(){
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"use strict";
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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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var msg = document.getElementById('noVNC_fallback_errormsg');
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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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var 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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var 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 !== undefined)) {
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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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// 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', function (evt) { handleError(evt, evt.error); });
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window.addEventListener('unhandledrejection', function (evt) { handleError(evt.reason, evt.reason); });
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})();
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