mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-16 23:42:39 +01:00
15b1250c99
Related issue:
https://github.com/uBlockOrigin/uBlock-issues/issues/3004
Related commit:
ee83a4304a
Use extensions API message ports to establish direct communication
between content script and logger window.
69 lines
2.4 KiB
JavaScript
69 lines
2.4 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a comprehensive, efficient content blocker
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Copyright (C) 2014-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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'use strict';
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/******************************************************************************/
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/******************************************************************************/
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const svgRoot = document.querySelector('svg');
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let inspectorContentPort;
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const shutdown = ( ) => {
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inspectorContentPort.close();
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inspectorContentPort.onmessage = inspectorContentPort.onmessageerror = null;
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inspectorContentPort = undefined;
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};
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const contentInspectorChannel = ev => {
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const msg = ev.data || {};
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switch ( msg.what ) {
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case 'quitInspector': {
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shutdown();
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break;
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}
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case 'svgPaths': {
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const paths = svgRoot.children;
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paths[0].setAttribute('d', msg.paths[0]);
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paths[1].setAttribute('d', msg.paths[1]);
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paths[2].setAttribute('d', msg.paths[2]);
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paths[3].setAttribute('d', msg.paths[3]);
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break;
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}
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default:
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break;
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}
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};
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// Wait for the content script to establish communication
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globalThis.addEventListener('message', ev => {
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const msg = ev.data || {};
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if ( msg.what !== 'startInspector' ) { return; }
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if ( Array.isArray(ev.ports) === false ) { return; }
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if ( ev.ports.length === 0 ) { return; }
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inspectorContentPort = ev.ports[0];
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inspectorContentPort.onmessage = contentInspectorChannel;
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inspectorContentPort.onmessageerror = shutdown;
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inspectorContentPort.postMessage({ what: 'startInspector' });
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}, { once: true });
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/******************************************************************************/
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