mirror of
https://github.com/gorhill/uMatrix.git
synced 2024-08-17 19:11:18 +12:00
156 lines
4.8 KiB
JavaScript
156 lines
4.8 KiB
JavaScript
/*******************************************************************************
|
|
|
|
µBlock - a browser extension to block requests.
|
|
Copyright (C) 2014 The µBlock authors
|
|
|
|
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://github.com/gorhill/uMatrix
|
|
*/
|
|
|
|
/* global ADDON_UNINSTALL, APP_SHUTDOWN, APP_STARTUP */
|
|
/* exported startup, shutdown, install, uninstall */
|
|
|
|
'use strict';
|
|
|
|
/******************************************************************************/
|
|
|
|
// Accessing the context of the background page:
|
|
// var win = Services.appShell.hiddenDOMWindow.document.querySelector('iframe[src*=umatrix]').contentWindow;
|
|
|
|
let bgProcess;
|
|
let version;
|
|
const hostName = 'umatrix';
|
|
const restartListener = {
|
|
get messageManager() {
|
|
return Components.classes['@mozilla.org/parentprocessmessagemanager;1']
|
|
.getService(Components.interfaces.nsIMessageListenerManager);
|
|
},
|
|
|
|
receiveMessage: function() {
|
|
shutdown();
|
|
startup();
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
function startup(data, reason) {
|
|
if ( data !== undefined ) {
|
|
version = data.version;
|
|
}
|
|
|
|
let appShell = Components.classes['@mozilla.org/appshell/appShellService;1']
|
|
.getService(Components.interfaces.nsIAppShellService);
|
|
|
|
let onReady = function(e) {
|
|
if ( e ) {
|
|
this.removeEventListener(e.type, onReady);
|
|
}
|
|
|
|
let hiddenDoc = appShell.hiddenDOMWindow.document;
|
|
|
|
// https://github.com/gorhill/uBlock/issues/10
|
|
// Fixed by github.com/AlexVallat:
|
|
// https://github.com/chrisaljoudi/uBlock/issues/1149
|
|
// https://github.com/AlexVallat/uBlock/commit/e762a29d308caa46578cdc34a9be92c4ad5ecdd0
|
|
if ( hiddenDoc.readyState === 'loading' ) {
|
|
hiddenDoc.addEventListener('DOMContentLoaded', onReady);
|
|
return;
|
|
}
|
|
|
|
bgProcess = hiddenDoc.documentElement.appendChild(
|
|
hiddenDoc.createElementNS('http://www.w3.org/1999/xhtml', 'iframe')
|
|
);
|
|
bgProcess.setAttribute(
|
|
'src',
|
|
'chrome://' + hostName + '/content/background.html#' + version
|
|
);
|
|
|
|
restartListener.messageManager.addMessageListener(
|
|
hostName + '-restart',
|
|
restartListener
|
|
);
|
|
};
|
|
|
|
if ( reason !== APP_STARTUP ) {
|
|
onReady();
|
|
return;
|
|
}
|
|
|
|
let ww = Components.classes['@mozilla.org/embedcomp/window-watcher;1']
|
|
.getService(Components.interfaces.nsIWindowWatcher);
|
|
|
|
ww.registerNotification({
|
|
observe: function(win, topic) {
|
|
if ( topic !== 'domwindowopened' ) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
appShell.hiddenDOMWindow;
|
|
} catch (ex) {
|
|
return;
|
|
}
|
|
|
|
ww.unregisterNotification(this);
|
|
win.addEventListener('DOMContentLoaded', onReady);
|
|
}
|
|
});
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function shutdown(data, reason) {
|
|
if ( reason === APP_SHUTDOWN ) {
|
|
return;
|
|
}
|
|
|
|
bgProcess.parentNode.removeChild(bgProcess);
|
|
|
|
if ( data === undefined ) {
|
|
return;
|
|
}
|
|
|
|
// Remove the restartObserver only when the extension is being disabled
|
|
restartListener.messageManager.removeMessageListener(
|
|
hostName + '-restart',
|
|
restartListener
|
|
);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function install() {
|
|
// https://bugzil.la/719376
|
|
Components.classes['@mozilla.org/intl/stringbundle;1']
|
|
.getService(Components.interfaces.nsIStringBundleService)
|
|
.flushBundles();
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function uninstall(data, aReason) {
|
|
if ( aReason !== ADDON_UNINSTALL ) {
|
|
return;
|
|
}
|
|
// To cleanup vAPI.localStorage in vapi-common.js, aka
|
|
// "extensions.umatrix.*" in `about:config`.
|
|
Components.utils.import('resource://gre/modules/Services.jsm', null)
|
|
.Services.prefs
|
|
.getBranch('extensions.' + hostName + '.')
|
|
.deleteBranch('');
|
|
}
|
|
|
|
/******************************************************************************/
|