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152 lines
5.1 KiB
JavaScript
152 lines
5.1 KiB
JavaScript
/*******************************************************************************
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µMatrix - a Chromium browser extension to black/white list requests.
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Copyright (C) 2014 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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/* global CodeMirror, uDom */
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'use strict';
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/******************************************************************************/
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{
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// >>>>> start of local scope
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/******************************************************************************/
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self.uBlockDashboard = self.uBlockDashboard || {};
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/******************************************************************************/
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{
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let grabFocusTimer;
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let grabFocusTarget;
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const grabFocus = function() {
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grabFocusTarget.focus();
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grabFocusTimer = grabFocusTarget = undefined;
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};
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const grabFocusAsync = function(cm) {
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grabFocusTarget = cm;
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if ( grabFocusTimer === undefined ) {
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grabFocusTimer = vAPI.setTimeout(grabFocus, 1);
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}
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};
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// https://github.com/gorhill/uBlock/issues/3646
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const patchSelectAll = function(cm, details) {
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var vp = cm.getViewport();
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if ( details.ranges.length !== 1 ) { return; }
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var range = details.ranges[0],
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lineFrom = range.anchor.line,
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lineTo = range.head.line;
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if ( lineTo === lineFrom ) { return; }
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if ( range.head.ch !== 0 ) { lineTo += 1; }
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if ( lineFrom !== vp.from || lineTo !== vp.to ) { return; }
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details.update([
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{
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anchor: { line: 0, ch: 0 },
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head: { line: cm.lineCount(), ch: 0 }
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}
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]);
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grabFocusAsync(cm);
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};
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let lastGutterClick = 0;
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let lastGutterLine = 0;
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const onGutterClicked = function(cm, line) {
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const delta = Date.now() - lastGutterClick;
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if ( delta >= 500 || line !== lastGutterLine ) {
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cm.setSelection(
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{ line: line, ch: 0 },
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{ line: line + 1, ch: 0 }
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);
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lastGutterClick = Date.now();
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lastGutterLine = line;
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} else {
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cm.setSelection(
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{ line: 0, ch: 0 },
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{ line: cm.lineCount(), ch: 0 },
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{ scroll: false }
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);
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lastGutterClick = 0;
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}
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grabFocusAsync(cm);
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};
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let resizeTimer,
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resizeObserver;
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const resize = function(cm) {
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resizeTimer = undefined;
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const child = document.querySelector('.codeMirrorFillVertical');
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if ( child === null ) { return; }
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const prect = document.documentElement.getBoundingClientRect();
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const crect = child.getBoundingClientRect();
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const cssHeight = Math.floor(Math.max(prect.bottom - crect.top, 80)) + 'px';
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if ( child.style.height === cssHeight ) { return; }
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child.style.height = cssHeight;
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// https://github.com/gorhill/uBlock/issues/3694
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// Need to call cm.refresh() when resizing occurs. However the
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// cursor position may end up outside the viewport, hence we also
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// call cm.scrollIntoView() to address this.
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// Reference: https://codemirror.net/doc/manual.html#api_sizing
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if ( cm instanceof CodeMirror ) {
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cm.refresh();
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cm.scrollIntoView(null);
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}
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};
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const resizeAsync = function(cm, delay) {
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if ( resizeTimer !== undefined ) { return; }
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resizeTimer = vAPI.setTimeout(
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resize.bind(null, cm),
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typeof delay === 'number' ? delay : 66
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);
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};
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self.uBlockDashboard.patchCodeMirrorEditor = function(cm) {
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if ( document.querySelector('.codeMirrorFillVertical') !== null ) {
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const boundResizeAsync = resizeAsync.bind(null, cm);
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window.addEventListener('resize', boundResizeAsync);
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resizeObserver = new MutationObserver(boundResizeAsync);
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resizeObserver.observe(document.querySelector('.body'), {
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childList: true,
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subtree: true
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});
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resizeAsync(cm, 1);
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}
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if ( cm.options.inputStyle === 'contenteditable' ) {
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cm.on('beforeSelectionChange', patchSelectAll);
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}
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cm.on('gutterClick', onGutterClicked);
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};
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}
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uDom('a').attr('target', '_blank');
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uDom('a[href*="dashboard.html"]').attr('target', '_parent');
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uDom('.whatisthis').on('click', ev => {
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ev.target
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.parentElement
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.querySelector('.whatisthis-expandable')
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.classList.toggle('whatisthis-expanded');
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});
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// <<<<< end of local scope
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}
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