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/*******************************************************************************
uBlock Origin - a comprehensive, efficient content blocker
Copyright (C) 2014-present Raymond Hill
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 browser */
'use strict';
/******************************************************************************/
// Broadcast a message to all uBO contexts
let broadcastChannel;
export function broadcast(message) {
if ( broadcastChannel === undefined ) {
broadcastChannel = new self.BroadcastChannel('uBO');
}
broadcastChannel.postMessage(message);
}
/******************************************************************************/
// Broadcast a message to all uBO contexts and all uBO's content scripts
export async function broadcastToAll(message) {
broadcast(message);
const tabs = await vAPI.tabs.query({
discarded: false,
});
const bcmessage = Object.assign({ broadcast: true }, message);
for ( const tab of tabs ) {
browser.tabs.sendMessage(tab.id, bcmessage);
}
}
/******************************************************************************/
export function onBroadcast(listener) {
const bc = new self.BroadcastChannel('uBO');
bc.onmessage = ev => listener(ev.data || {});
return bc;
}
/******************************************************************************/
export function filteringBehaviorChanged(details = {}) {
if ( typeof details.direction !== 'number' || details.direction >= 0 ) {
filteringBehaviorChanged.throttle.offon(727);
}
broadcast(Object.assign({ what: 'filteringBehaviorChanged' }, details));
}
filteringBehaviorChanged.throttle = vAPI.defer.create(( ) => {
vAPI.net.handlerBehaviorChanged();
});
/******************************************************************************/
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