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nuTensor/platform/firefox/bootstrap.js

147 lines
4.4 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/uBlock
*/
/* global 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*=ublock]').contentWindow;
let bgProcess;
let version;
const hostName = 'ublock0';
const restartListener = {
get messageManager() {
return Components.classes['@mozilla.org/parentprocessmessagemanager;1']
.getService(Components.interfaces.nsIMessageListenerManager);
},
receiveMessage: function() {
shutdown();
startup();
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}
};
/******************************************************************************/
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
);
};
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if ( reason !== APP_STARTUP ) {
onReady();
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return;
}
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let ww = Components.classes['@mozilla.org/embedcomp/window-watcher;1']
.getService(Components.interfaces.nsIWindowWatcher);
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ww.registerNotification({
observe: function(win, topic) {
if ( topic !== 'domwindowopened' ) {
return;
}
try {
appShell.hiddenDOMWindow;
} catch (ex) {
return;
}
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ww.unregisterNotification(this);
win.addEventListener('DOMContentLoaded', onReady);
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}
});
}
/******************************************************************************/
function shutdown(data, reason) {
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if ( reason === APP_SHUTDOWN ) {
return;
}
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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() {}
/******************************************************************************/