mirror of
https://github.com/gorhill/uMatrix.git
synced 2024-05-20 04:03:13 +12:00
153 lines
4.5 KiB
JavaScript
153 lines
4.5 KiB
JavaScript
/*******************************************************************************
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uMatrix - a browser extension to black/white list requests.
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Copyright (C) 2018-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/uMatrix
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*/
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/* exported uMatrixScopeWidget */
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/* global punycode */
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'use strict';
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/******************************************************************************/
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/******************************************************************************/
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let uMatrixScopeWidget = (function() {
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// Start of private namespace
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// >>>>>>>>
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/******************************************************************************/
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let currentScope = '';
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let listening = false;
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let fireChangeEvent = function() {
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document.body.setAttribute('data-scope', currentScope);
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let ev = new CustomEvent(
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'uMatrixScopeWidgetChange',
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{
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detail: { scope: currentScope }
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}
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);
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window.dispatchEvent(ev);
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};
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let init = function(domain, hostname, scope, container) {
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if ( typeof domain !== 'string' ) { return; }
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currentScope = '';
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// Reset widget
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if ( !container ) {
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container = document;
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}
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let specificScope = container.querySelector('#specificScope');
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while ( specificScope.firstChild !== null ) {
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specificScope.removeChild(specificScope.firstChild);
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}
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// Fill in the scope menu entries
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let pos = domain.indexOf('.');
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let tld, labels;
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if ( pos === -1 ) {
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tld = '';
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labels = hostname;
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} else {
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tld = domain.slice(pos + 1);
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labels = hostname.slice(0, -tld.length);
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}
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let beg = 0;
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while ( beg < labels.length ) {
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pos = labels.indexOf('.', beg);
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if ( pos === -1 ) {
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pos = labels.length;
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} else {
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pos += 1;
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}
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let label = document.createElement('span');
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label.appendChild(
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document.createTextNode(punycode.toUnicode(labels.slice(beg, pos)))
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);
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let span = document.createElement('span');
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span.setAttribute('data-scope', labels.slice(beg) + tld);
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span.appendChild(label);
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specificScope.appendChild(span);
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beg = pos;
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}
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if ( tld !== '' ) {
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let label = document.createElement('span');
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label.appendChild(document.createTextNode(punycode.toUnicode(tld)));
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let span = document.createElement('span');
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span.setAttribute('data-scope', tld);
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span.appendChild(label);
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specificScope.appendChild(span);
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}
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if ( listening === false ) {
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container.querySelector('#specificScope').addEventListener(
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'click',
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ev => { update(ev.target.getAttribute('data-scope')); }
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);
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container.querySelector('#globalScope').addEventListener(
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'click',
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( ) => { update('*'); }
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);
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listening = true;
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}
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update(scope || hostname, container);
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};
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let getScope = function() {
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return currentScope;
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};
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let update = function(scope, container) {
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if ( scope === currentScope ) { return; }
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currentScope = scope;
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if ( !container ) {
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container = document;
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}
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let specificScope = container.querySelector('#specificScope'),
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isGlobal = scope === '*';
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specificScope.classList.toggle('on', !isGlobal);
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container.querySelector('#globalScope').classList.toggle('on', isGlobal);
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for ( let node of specificScope.children ) {
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node.classList.toggle(
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'on',
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!isGlobal &&
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scope.endsWith(node.getAttribute('data-scope'))
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);
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}
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fireChangeEvent();
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};
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return { init, getScope, update };
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/******************************************************************************/
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// <<<<<<<<
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// End of private namespace
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})();
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/******************************************************************************/
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/******************************************************************************/
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