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Refactoring: Replace DOM events with broadcast channels 

Broadcast channels are more suited to uBO than DOM events to dispatch
notifications to different parts of uBO.

DOM events can only be dispatched to local context, broadcast channels
dispatch to all contexts (i.e. background process, workers, auxiliary
pages) -- this last behavior is better suited to uBO to communicate
internal changes to all potential listeners, not just those in the local
context.

Additionally, broadcasting to content scripts is now done through
tabs.sendMessage() instead of through potentially opened message
ports, this simplifies broadcasting to content scripts, and this
doesn't require to have long-lived message ports in content
scripts.
This commit is contained in:
Raymond Hill 2023-12-01 14:35:28 -05:00
parent c4de5552e5
commit 67fb969572
No known key found for this signature in database
GPG Key ID: 25E1490B761470C2
16 changed files with 189 additions and 188 deletions
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54
platform/common/vapi-client-extra.js
View File

@ -30,13 +30,9 @@
(( ) => {
// >>>>>>>> start of private namespace
if (
typeof vAPI !== 'object' ||
vAPI.messaging instanceof Object === false ||
vAPI.MessagingConnection instanceof Function
) {
return;
}
if ( typeof vAPI !== 'object' ) { return; }
if ( vAPI.messaging instanceof Object === false ) { return; }
if ( vAPI.MessagingConnection instanceof Function ) { return; }
const listeners = new Set();
const connections = new Map();
@ -247,50 +243,6 @@ vAPI.messaging.extensions.push(vAPI.MessagingConnection);
/******************************************************************************/
// Broadcast listening ability
(( ) => {
// >>>>>>>> start of private namespace
if (
typeof vAPI !== 'object' ||
vAPI.messaging instanceof Object === false ||
vAPI.broadcastListener instanceof Object
) {
return;
}
const listeners = new Set();
vAPI.broadcastListener = {
add: function(listener) {
listeners.add(listener);
vAPI.messaging.getPort();
},
remove: function(listener) {
listeners.delete(listener);
},
canDestroyPort() {
return listeners.size === 0;
},
mustDestroyPort() {
listeners.clear();
},
canProcessMessage(details) {
if ( details.broadcast === false ) { return; }
for ( const listener of listeners ) {
listener(details.msg);
}
},
};
vAPI.messaging.extensions.push(vAPI.broadcastListener);
// <<<<<<<< end of private namespace
})();
/******************************************************************************/

2
platform/common/vapi-client.js
View File

@ -22,6 +22,8 @@
// For non-background page
/* globals browser */
'use strict';
/******************************************************************************/

5
src/js/1p-filters.js
View File

@ -23,8 +23,9 @@
'use strict';
import { i18n$ } from './i18n.js';
import { onBroadcast } from './broadcast.js';
import { dom, qs$ } from './dom.js';
import { i18n$ } from './i18n.js';
import './codemirror/ubo-static-filtering.js';
/******************************************************************************/
@ -310,7 +311,7 @@ dom.on('#userFiltersRevert', 'click', revertChanges);
// https://github.com/gorhill/uBlock/issues/3704
// Merge changes to user filters occurring in the background
vAPI.broadcastListener.add(msg => {
onBroadcast(msg => {
switch ( msg.what ) {
case 'userFiltersUpdated': {
cmEditor.startOperation();

25
src/js/3p-filters.js
View File

@ -21,8 +21,9 @@
'use strict';
import { i18n, i18n$ } from './i18n.js';
import { onBroadcast } from './broadcast.js';
import { dom, qs$, qsa$ } from './dom.js';
import { i18n, i18n$ } from './i18n.js';
/******************************************************************************/
@ -35,9 +36,7 @@ let listsetDetails = {};
/******************************************************************************/
const messaging = vAPI.messaging;
vAPI.broadcastListener.add(msg => {
onBroadcast(msg => {
switch ( msg.what ) {
case 'assetUpdated':
updateAssetStatus(msg);
@ -277,7 +276,7 @@ const renderFilterLists = ( ) => {
renderWidgets();
};
messaging.send('dashboard', {
vAPI.messaging.send('dashboard', {
what: 'getLists',
}).then(response => {
onListsReceived(response);
@ -510,7 +509,7 @@ const onPurgeClicked = ev => {
dom.cl.remove(listLeaf, 'cached');
}
messaging.send('dashboard', {
vAPI.messaging.send('dashboard', {
what: 'purgeCaches',
assetKeys,
});
@ -534,7 +533,7 @@ dom.on('#lists', 'click', 'span.cache', onPurgeClicked);
const selectFilterLists = async ( ) => {
// Cosmetic filtering switch
let checked = qs$('#parseCosmeticFilters').checked;
messaging.send('dashboard', {
vAPI.messaging.send('dashboard', {
what: 'userSettings',
name: 'parseAllABPHideFilters',
value: checked,
@ -542,7 +541,7 @@ const selectFilterLists = async ( ) => {
listsetDetails.parseCosmeticFilters = checked;
checked = qs$('#ignoreGenericCosmeticFilters').checked;
messaging.send('dashboard', {
vAPI.messaging.send('dashboard', {
what: 'userSettings',
name: 'ignoreGenericCosmeticFilters',
value: checked,
@ -581,7 +580,7 @@ const selectFilterLists = async ( ) => {
hashFromListsetDetails();
await messaging.send('dashboard', {
await vAPI.messaging.send('dashboard', {
what: 'applyFilterListSelection',
toSelect,
toImport,
@ -596,7 +595,7 @@ const buttonApplyHandler = async ( ) => {
dom.cl.add(dom.body, 'working');
dom.cl.remove('#lists .listEntry.stickied', 'stickied');
renderWidgets();
await messaging.send('dashboard', { what: 'reloadAllFilters' });
await vAPI.messaging.send('dashboard', { what: 'reloadAllFilters' });
dom.cl.remove(dom.body, 'working');
};
@ -609,7 +608,7 @@ const buttonUpdateHandler = async ( ) => {
await selectFilterLists();
dom.cl.add(dom.body, 'updating');
renderWidgets();
messaging.send('dashboard', { what: 'forceUpdateAssets' });
vAPI.messaging.send('dashboard', { what: 'forceUpdateAssets' });
};
dom.on('#buttonUpdate', 'click', ( ) => { buttonUpdateHandler(); });
@ -617,7 +616,7 @@ dom.on('#buttonUpdate', 'click', ( ) => { buttonUpdateHandler(); });
/******************************************************************************/
const buttonPurgeAllHandler = async hard => {
await messaging.send('dashboard', {
await vAPI.messaging.send('dashboard', {
what: 'purgeAllCaches',
hard,
});
@ -630,7 +629,7 @@ dom.on('#buttonPurgeAll', 'click', ev => { buttonPurgeAllHandler(ev.shiftKey); }
const userSettingCheckboxChanged = ( ) => {
const target = event.target;
messaging.send('dashboard', {
vAPI.messaging.send('dashboard', {
what: 'userSettings',
name: target.id,
value: target.checked,

9
src/js/assets.js
View File

@ -23,11 +23,12 @@
/******************************************************************************/
import cacheStorage from './cachestorage.js';
import logger from './logger.js';
import µb from './background.js';
import { broadcast } from './broadcast.js';
import cacheStorage from './cachestorage.js';
import { ubolog } from './console.js';
import { i18n$ } from './i18n.js';
import logger from './logger.js';
import * as sfp from './static-filtering-parser.js';
import { orphanizeString, } from './text-utils.js';
@ -1234,7 +1235,7 @@ async function diffUpdater() {
assetCacheSetDetails(data.assetKey, metadata);
};
bc.onmessage = ev => {
const data = ev.data;
const data = ev.data || {};
if ( data.what === 'ready' ) {
ubolog('Diff updater: hard updating', toHardUpdate.map(v => v.assetKey).join());
while ( toHardUpdate.length !== 0 ) {
@ -1279,7 +1280,7 @@ async function diffUpdater() {
} else if ( data.status === 'nopatch-yet' || data.status === 'nodiff' ) {
ubolog(`Diff updater: skip update of ${data.assetKey} using ${data.patchPath}\n\treason: ${data.status}`);
assetCacheSetDetails(data.assetKey, { writeTime: data.writeTime });
vAPI.messaging.broadcast({
broadcast({
what: 'assetUpdated',
key: data.assetKey,
cached: true,

75
src/js/broadcast.js Normal file
View File

@ -0,0 +1,75 @@
/*******************************************************************************
uBlock Origin - a browser extension to block requests.
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();
});
/******************************************************************************/

2
src/js/diff-updater.js
View File

@ -271,7 +271,7 @@ async function fetchAndApplyAllPatches(assetDetails) {
const bc = new globalThis.BroadcastChannel('diffUpdater');
bc.onmessage = ev => {
const message = ev.data;
const message = ev.data || {};
switch ( message.what ) {
case 'update':
fetchAndApplyAllPatches(message).then(response => {

6
src/js/logger.js
View File

@ -23,6 +23,10 @@
/******************************************************************************/
import { broadcastToAll } from './broadcast.js';
/******************************************************************************/
let buffer = null;
let lastReadTime = 0;
let writePtr = 0;
@ -40,7 +44,7 @@ const janitorTimer = vAPI.defer.create(( ) => {
buffer = null;
writePtr = 0;
logger.ownerId = undefined;
vAPI.messaging.broadcast({ what: 'loggerDisabled' });
broadcastToAll({ what: 'loggerDisabled' });
});
const boxEntry = function(details) {

3
src/js/messaging.js
View File

@ -28,6 +28,7 @@
import publicSuffixList from '../lib/publicsuffixlist/publicsuffixlist.js';
import punycode from '../lib/punycode.js';
import { filteringBehaviorChanged } from './broadcast.js';
import cacheStorage from './cachestorage.js';
import cosmeticFilteringEngine from './cosmetic-filtering.js';
import htmlFilteringEngine from './html-filtering.js';
@ -346,7 +347,7 @@ const onMessage = function(request, sender, callback) {
case 'setWhitelist':
µb.netWhitelist = µb.whitelistFromString(request.whitelist);
µb.saveWhitelist();
µb.filteringBehaviorChanged();
filteringBehaviorChanged();
break;
case 'toggleHostnameSwitch':

11
src/js/scriptlet-filtering.js
View File

@ -26,6 +26,7 @@
/******************************************************************************/
import µb from './background.js';
import { onBroadcast } from './broadcast.js';
import { redirectEngine as reng } from './redirect-engine.js';
import { sessionFirewall } from './filtering-engines.js';
import { StaticExtFilteringHostnameDB } from './static-ext-filtering-db.js';
@ -67,12 +68,10 @@ const contentScriptRegisterer = new (class {
constructor() {
this.hostnameToDetails = new Map();
if ( browser.contentScripts === undefined ) { return; }
µb.onEvent('filteringBehaviorChanged', ev => {
const details = ev.detail;
if ( details instanceof Object ) {
if ( details.direction > 0 ) { return; }
if ( details.hostname ) { return this.flush(details.hostname); }
}
onBroadcast(msg => {
if ( msg.what !== 'filteringBehaviorChanged' ) { return; }
if ( msg.direction > 0 ) { return; }
if ( msg.hostname ) { return this.flush(msg.hostname); }
this.reset();
});
}

81
src/js/scriptlets/cosmetic-logger.js
View File

@ -19,6 +19,8 @@
Home: https://github.com/gorhill/uBlock
*/
/* globals browser */
'use strict';
/******************************************************************************/
@ -28,12 +30,8 @@
/******************************************************************************/
if (
typeof vAPI !== 'object' ||
vAPI.domWatcher instanceof Object === false
) {
return;
}
if ( typeof vAPI !== 'object' ) { return; }
if ( vAPI.domWatcher instanceof Object === false ) { return; }
const reHasCSSCombinators = /[ >+~]/;
const simpleDeclarativeSet = new Set();
@ -51,16 +49,16 @@ const loggedSelectors = new Set();
const rePseudoElements = /:(?::?after|:?before|:[a-z-]+)$/;
const hasSelector = function(selector, context = document) {
function hasSelector(selector, context = document) {
try {
return context.querySelector(selector) !== null;
}
catch(ex) {
}
return false;
};
}
const safeMatchSelector = function(selector, context) {
function safeMatchSelector(selector, context) {
const safeSelector = rePseudoElements.test(selector)
? selector.replace(rePseudoElements, '')
: selector;
@ -70,9 +68,9 @@ const safeMatchSelector = function(selector, context) {
catch(ex) {
}
return false;
};
}
const safeQuerySelector = function(selector, context = document) {
function safeQuerySelector(selector, context = document) {
const safeSelector = rePseudoElements.test(selector)
? selector.replace(rePseudoElements, '')
: selector;
@ -82,9 +80,9 @@ const safeQuerySelector = function(selector, context = document) {
catch(ex) {
}
return null;
};
}
const safeGroupSelectors = function(selectors) {
function safeGroupSelectors(selectors) {
const arr = Array.isArray(selectors)
? selectors
: Array.from(selectors);
@ -93,11 +91,11 @@ const safeGroupSelectors = function(selectors) {
? s.replace(rePseudoElements, '')
: s;
}).join(',\n');
};
}
/******************************************************************************/
const processDeclarativeSimple = function(node, out) {
function processDeclarativeSimple(node, out) {
if ( simpleDeclarativeSet.size === 0 ) { return; }
if ( simpleDeclarativeStr === undefined ) {
simpleDeclarativeStr = safeGroupSelectors(simpleDeclarativeSet);
@ -120,11 +118,11 @@ const processDeclarativeSimple = function(node, out) {
simpleDeclarativeStr = undefined;
loggedSelectors.add(selector);
}
};
}
/******************************************************************************/
const processDeclarativeComplex = function(out) {
function processDeclarativeComplex(out) {
if ( complexDeclarativeSet.size === 0 ) { return; }
if ( complexDeclarativeStr === undefined ) {
complexDeclarativeStr = safeGroupSelectors(complexDeclarativeSet);
@ -137,7 +135,7 @@ const processDeclarativeComplex = function(out) {
complexDeclarativeStr = undefined;
loggedSelectors.add(selector);
}
};
}
/******************************************************************************/
@ -156,7 +154,7 @@ function processProcedural(out) {
/******************************************************************************/
const processExceptions = function(out) {
function processExceptions(out) {
if ( exceptionDict.size === 0 ) { return; }
if ( exceptionStr === undefined ) {
exceptionStr = safeGroupSelectors(exceptionDict.keys());
@ -169,18 +167,18 @@ const processExceptions = function(out) {
exceptionStr = undefined;
loggedSelectors.add(raw);
}
};
}
/******************************************************************************/
const processProceduralExceptions = function(out) {
function processProceduralExceptions(out) {
if ( proceduralExceptionDict.size === 0 ) { return; }
for ( const exception of proceduralExceptionDict.values() ) {
if ( exception.test() === false ) { continue; }
out.push(`#@#${exception.raw}`);
proceduralExceptionDict.delete(exception.raw);
}
};
}
/******************************************************************************/
@ -313,9 +311,22 @@ const handlers = {
}
};
vAPI.domWatcher.addListener(handlers);
/******************************************************************************/
const shutdown = function() {
const broadcastHandler = msg => {
if ( msg.what === 'loggerDisabled' ) {
shutdown();
}
};
browser.runtime.onMessage.addListener(broadcastHandler);
/******************************************************************************/
function shutdown() {
browser.runtime.onMessage.removeListener(broadcastHandler);
processTimer.clear();
attributeObserver.disconnect();
if ( typeof vAPI !== 'object' ) { return; }
@ -325,29 +336,7 @@ const shutdown = function() {
if ( vAPI.domWatcher instanceof Object ) {
vAPI.domWatcher.removeListener(handlers);
}
if ( vAPI.broadcastListener instanceof Object ) {
vAPI.broadcastListener.remove(broadcastListener);
}
};
/******************************************************************************/
const broadcastListener = msg => {
if ( msg.what === 'loggerDisabled' ) {
shutdown();
}
};
/******************************************************************************/
vAPI.messaging.extend().then(extended => {
if ( extended !== true ) {
return shutdown();
}
vAPI.broadcastListener.add(broadcastListener);
});
vAPI.domWatcher.addListener(handlers);
}
/******************************************************************************/

19
src/js/start.js
View File

@ -39,17 +39,18 @@ import './tab.js';
import './ublock.js';
import './utils.js';
import cacheStorage from './cachestorage.js';
import contextMenu from './contextmenu.js';
import io from './assets.js';
import lz4Codec from './lz4.js';
import staticExtFilteringEngine from './static-ext-filtering.js';
import staticFilteringReverseLookup from './reverselookup.js';
import staticNetFilteringEngine from './static-net-filtering.js';
import µb from './background.js';
import webRequest from './traffic.js';
import { redirectEngine } from './redirect-engine.js';
import { filteringBehaviorChanged } from './broadcast.js';
import cacheStorage from './cachestorage.js';
import { ubolog } from './console.js';
import contextMenu from './contextmenu.js';
import lz4Codec from './lz4.js';
import { redirectEngine } from './redirect-engine.js';
import staticFilteringReverseLookup from './reverselookup.js';
import staticExtFilteringEngine from './static-ext-filtering.js';
import staticNetFilteringEngine from './static-net-filtering.js';
import webRequest from './traffic.js';
import {
permanentFirewall,
@ -453,7 +454,7 @@ if ( selfieIsValid !== true ) {
// Flush memory cache -- unsure whether the browser does this internally
// when loading a new extension.
µb.filteringBehaviorChanged();
filteringBehaviorChanged();
// Final initialization steps after all needed assets are in memory.

30
src/js/storage.js
View File

@ -28,8 +28,9 @@
import publicSuffixList from '../lib/publicsuffixlist/publicsuffixlist.js';
import punycode from '../lib/punycode.js';
import cosmeticFilteringEngine from './cosmetic-filtering.js';
import io from './assets.js';
import { broadcast, filteringBehaviorChanged, onBroadcast } from './broadcast.js';
import cosmeticFilteringEngine from './cosmetic-filtering.js';
import logger from './logger.js';
import lz4Codec from './lz4.js';
import staticExtFilteringEngine from './static-ext-filtering.js';
@ -243,7 +244,7 @@ import {
if ( typeof hs[key] !== typeof hsDefault[key] ) { continue; }
this.hiddenSettings[key] = hs[key];
}
this.fireEvent('hiddenSettingsChanged');
broadcast({ what: 'hiddenSettingsChanged' });
};
// Note: Save only the settings which values differ from the default ones.
@ -259,7 +260,8 @@ import {
});
};
µb.onEvent('hiddenSettingsChanged', ( ) => {
onBroadcast(msg => {
if ( msg.what !== 'hiddenSettingsChanged' ) { return; }
const µbhs = µb.hiddenSettings;
ubologSet(µbhs.consoleLogLevel === 'info');
vAPI.net.setOptions({
@ -391,7 +393,8 @@ import {
return false;
};
µb.onEvent('hiddenSettingsChanged', ( ) => {
onBroadcast(msg => {
if ( msg.what !== 'hiddenSettingsChanged' ) { return; }
µb.parsedTrustedListPrefixes = [];
});
@ -614,9 +617,8 @@ import {
// https://www.reddit.com/r/uBlockOrigin/comments/cj7g7m/
// https://www.reddit.com/r/uBlockOrigin/comments/cnq0bi/
µb.filteringBehaviorChanged();
vAPI.messaging.broadcast({ what: 'userFiltersUpdated' });
filteringBehaviorChanged();
broadcast({ what: 'userFiltersUpdated' });
};
µb.createUserFilters = function(details) {
@ -852,7 +854,7 @@ import {
staticExtFilteringEngine.freeze();
redirectEngine.freeze();
vAPI.net.unsuspend();
µb.filteringBehaviorChanged();
filteringBehaviorChanged();
vAPI.storage.set({ 'availableFilterLists': µb.availableFilterLists });
@ -862,7 +864,7 @@ import {
text: 'Reloading all filter lists: done'
});
vAPI.messaging.broadcast({
broadcast({
what: 'staticFilteringDataChanged',
parseCosmeticFilters: µb.userSettings.parseAllABPHideFilters,
ignoreGenericCosmeticFilters: µb.userSettings.ignoreGenericCosmeticFilters,
@ -1584,10 +1586,10 @@ import {
} else if ( details.assetKey === 'ublock-badlists' ) {
this.badLists = new Map();
}
vAPI.messaging.broadcast({
broadcast({
what: 'assetUpdated',
key: details.assetKey,
cached: cached
cached,
});
// https://github.com/gorhill/uBlock/issues/2585
// Whenever an asset is overwritten, the current selfie is quite
@ -1598,10 +1600,10 @@ import {
// Update failed.
if ( topic === 'asset-update-failed' ) {
vAPI.messaging.broadcast({
broadcast({
what: 'assetUpdated',
key: details.assetKey,
failed: true
failed: true,
});
return;
}
@ -1625,7 +1627,7 @@ import {
} else {
this.scheduleAssetUpdater(0);
}
vAPI.messaging.broadcast({
broadcast({
what: 'assetsUpdated',
assetKeys: details.assetKeys
});

3
src/js/support.js
View File

@ -23,6 +23,7 @@
'use strict';
import { onBroadcast } from './broadcast.js';
import { dom, qs$ } from './dom.js';
/******************************************************************************/
@ -316,7 +317,7 @@ uBlockDashboard.patchCodeMirrorEditor(cmEditor);
});
}
vAPI.broadcastListener.add(msg => {
onBroadcast(msg => {
if ( msg.what === 'assetsUpdated' ) {
dom.cl.remove(dom.body, 'updating');
dom.cl.add(dom.body, 'updated');

22
src/js/ublock.js
View File

@ -23,12 +23,13 @@
/******************************************************************************/
import contextMenu from './contextmenu.js';
import cosmeticFilteringEngine from './cosmetic-filtering.js';
import io from './assets.js';
import µb from './background.js';
import { hostnameFromURI } from './uri-utils.js';
import { broadcast, filteringBehaviorChanged, onBroadcast } from './broadcast.js';
import contextMenu from './contextmenu.js';
import cosmeticFilteringEngine from './cosmetic-filtering.js';
import { redirectEngine } from './redirect-engine.js';
import { hostnameFromURI } from './uri-utils.js';
import {
permanentFirewall,
@ -147,7 +148,7 @@ const matchBucket = function(url, hostname, bucket, start) {
}
bucket.push(directive);
this.saveWhitelist();
µb.filteringBehaviorChanged({ hostname: targetHostname });
filteringBehaviorChanged({ hostname: targetHostname });
return true;
}
@ -188,7 +189,7 @@ const matchBucket = function(url, hostname, bucket, start) {
}
}
this.saveWhitelist();
µb.filteringBehaviorChanged({ direction: 1 });
filteringBehaviorChanged({ direction: 1 });
return true;
};
@ -423,7 +424,7 @@ const matchBucket = function(url, hostname, bucket, start) {
redirectEngine.invalidateResourcesSelfie(io);
this.loadRedirectResources();
}
this.fireEvent('hiddenSettingsChanged');
broadcast({ what: 'hiddenSettingsChanged' });
};
/******************************************************************************/
@ -524,7 +525,7 @@ const matchBucket = function(url, hostname, bucket, start) {
cosmeticFilteringEngine.removeFromSelectorCache(srcHostname, 'net');
// Flush caches
µb.filteringBehaviorChanged({
filteringBehaviorChanged({
direction: action === 1 ? 1 : 0,
hostname: srcHostname,
});
@ -613,7 +614,7 @@ const matchBucket = function(url, hostname, bucket, start) {
switch ( details.name ) {
case 'no-scripting':
case 'no-remote-fonts':
µb.filteringBehaviorChanged({
filteringBehaviorChanged({
direction: details.state ? 1 : 0,
hostname: details.hostname,
});
@ -677,7 +678,10 @@ const matchBucket = function(url, hostname, bucket, start) {
parse();
µb.onEvent('hiddenSettingsChanged', ( ) => { parse(); });
onBroadcast(msg => {
if ( msg.what !== 'hiddenSettingsChanged' ) { return; }
parse();
});
}
/******************************************************************************/

30
src/js/utils.js
View File

@ -134,36 +134,6 @@ import µb from './background.js';
/******************************************************************************/
µb.fireEvent = function(name, details = undefined) {
if (
self instanceof Object &&
self.dispatchEvent instanceof Function &&
self.CustomEvent instanceof Function
) {
self.dispatchEvent(new CustomEvent(name, { detail: details }));
}
};
µb.onEvent = function(name, fn) {
if (
self instanceof Object &&
self.addEventListener instanceof Function
) {
self.addEventListener(name, fn);
}
};
/******************************************************************************/
µb.filteringBehaviorChanged = function(details = {}) {
if ( typeof details.direction !== 'number' || details.direction >= 0 ) {
vAPI.net.handlerBehaviorChanged();
}
this.fireEvent('filteringBehaviorChanged', details);
};
/******************************************************************************/
// TODO: properly compare arrays
µb.getModifiedSettings = function(edit, orig = {}) {