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/*******************************************************************************
ηMatrix - a browser extension to black/white list requests.
Copyright (C) 2014-2019 The uMatrix/uBlock Origin authors
Copyright (C) 2019 Alessio Vanni
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://libregit.org/heckyel/ematrix
uMatrix Home: https://github.com/gorhill/uMatrix
*/
'use strict';
/******************************************************************************/
(function (self) {
vAPI.modernFirefox =
Services.appinfo.ID === '{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'
&& Services.vc.compare(Services.appinfo.version, '44') > 0;
vAPI.app = {
name: 'eMatrix',
version: location.hash.slice(1),
start: function () {
return;
},
stop: function () {
return;
},
restart: function () {
Cc['@mozilla.org/childprocessmessagemanager;1']
.getService(Ci.nsIMessageSender)
.sendAsyncMessage(location.host + '-restart');
},
};
// List of things that needs to be destroyed when disabling the extension
// Only functions should be added to it
// eMatrix: taken care by vAPI.addCleanUpTask --- use that function
let cleanupTasks = [];
// This must be updated manually, every time a new task is added/removed
// eMatrix: do we?
let expectedNumberOfCleanups = 7;
vAPI.addCleanUpTask = function (task) {
if (typeof task !== 'function') {
return;
}
cleanupTasks.push(task);
};
vAPI.deferUntil = function (testFn, mainFn, details) {
let dtls = (typeof details !== 'object') ? {} : details;
let now = 0;
let next = dtls.next || 200;
let until = dtls.until || 2000;
let check = function () {
if (testFn() === true || now >= until) {
mainFn();
return;
}
now += next;
vAPI.setTimeout(check, next);
};
if ('sync' in dtls && dtls.sync === true) {
check();
} else {
vAPI.setTimeout(check, 1);
}
};
window.addEventListener('unload', function () {
// if (typeof vAPI.app.onShutdown === 'function') {
// vAPI.app.onShutdown();
// }
// IMPORTANT: cleanup tasks must be executed using LIFO order.
for (let i=cleanupTasks.length-1; i>=0; --i) {
try {
cleanupTasks[i]();
} catch (e) {
// Just in case a clean up task ends up throwing for
// no reason
console.error(e);
}
}
// eMatrix: temporarily disabled
// if (cleanupTasks.length < expectedNumberOfCleanups) {
// console.error
// ('eMatrix> Cleanup tasks performed: %s (out of %s)',
// cleanupTasks.length,
// expectedNumberOfCleanups);
// }
// frameModule needs to be cleared too
let frameModuleURL = vAPI.getURL('frameModule.js');
let frameModule = {};
Cu.import(frameModuleURL, frameModule);
frameModule.contentObserver.unregister();
Cu.unload(frameModuleURL);
});
vAPI.noTabId = '-1';
vAPI.isBehindTheSceneTabId = function (tabId) {
return tabId.toString() === '-1';
};
vAPI.lastError = function () {
return null;
};
})(this);
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