mirror of
https://github.com/gorhill/uBlock.git
synced 2024-07-08 04:49:12 +02:00
5d60df4b1b
`webext.js` module needs to be explicitly imported. Added time-based heuristic to decide when a webpage loses communication with background process.
86 lines
2.9 KiB
JavaScript
86 lines
2.9 KiB
JavaScript
/*******************************************************************************
|
|
|
|
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
|
|
*/
|
|
|
|
import webext from './webext.js';
|
|
|
|
/******************************************************************************/
|
|
|
|
// 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 ) {
|
|
webext.tabs.sendMessage(tab.id, bcmessage).catch(( ) => { });
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
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(( ) => {
|
|
const { history, max } = filteringBehaviorChanged;
|
|
const now = (Date.now() / 1000) | 0;
|
|
if ( history.length >= max ) {
|
|
if ( (now - history[0]) <= (10 * 60) ) { return; }
|
|
history.shift();
|
|
}
|
|
history.push(now);
|
|
vAPI.net.handlerBehaviorChanged();
|
|
});
|
|
filteringBehaviorChanged.history = [];
|
|
filteringBehaviorChanged.max = Math.min(
|
|
browser.webRequest.MAX_HANDLER_BEHAVIOR_CHANGED_CALLS_PER_10_MINUTES - 1,
|
|
19
|
|
);
|
|
|
|
/******************************************************************************/
|