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Components.utils.import('resource://greasemonkey/prefmanager.js');
Components.utils.import('resource://greasemonkey/util.js');
const EXPORTED_SYMBOLS = ['checkCoralCache'];
const XMLHttpRequest = Components.Constructor(
'@mozilla.org/xmlextras/xmlhttprequest;1');
var gCheckIsRunning = false;
function checkCoralCache() {
if (GM_prefRoot.getValue('coralCacheWorks')) return true;
if (gCheckIsRunning) return false;
gCheckIsRunning = true;
var req = new XMLHttpRequest();
req.onerror = GM_util.hitch(null, onError, req);
req.onload = GM_util.hitch(null, onLoad, req);
req.open('get', 'http://www.greasespot.net.nyud.net/');
req.send();
return false;
}
function onError(aReq, aEvent) {
GM_prefRoot.setValue('coralCacheWorks', false);
gCheckIsRunning = false;
}
function onLoad(aReq, aEvent) {
if (200 !== aReq.status) return onError();
if (-1 == aReq.responseText.indexOf('Greasemonkey')) return onError();
GM_prefRoot.setValue('coralCacheWorks', true);
gCheckIsRunning = false;
}
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