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/*******************************************************************************
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
*/
/* globals addMessageListener, removeMessageListener */
/******************************************************************************/
// https://bugzil.la/673569
(function(frameScriptContext) {
'use strict';
/******************************************************************************/
let appName = Components.stack.filename.match(/:\/\/([^\/]+)/)[1];
let listeners = {};
Components.utils['import'](Components.stack.filename.replace('Script', 'Module'), {});
/******************************************************************************/
frameScriptContext[appName + '_addMessageListener'] = function(id, fn) {
frameScriptContext[appName + '_removeMessageListener'](id);
listeners[id] = function(msg) {
fn(msg.data);
};
addMessageListener(id, listeners[id]);
};
frameScriptContext[appName + '_removeMessageListener'] = function(id) {
if ( listeners[id] ) {
removeMessageListener(id, listeners[id]);
}
delete listeners[id];
};
/******************************************************************************/
addMessageListener(appName + ':broadcast', function(msg) {
for ( let id in listeners ) {
listeners[id](msg);
}
});
/******************************************************************************/
})(this);
/******************************************************************************/