mirror of
https://github.com/gorhill/uMatrix.git
synced 2024-06-26 18:10:39 +12:00
692 lines
20 KiB
JavaScript
692 lines
20 KiB
JavaScript
/*******************************************************************************
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uMatrix - a browser extension to benchmark browser session.
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Copyright (C) 2015 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/sessbench
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*/
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/* jshint boss: true */
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/* global vAPI, uDom */
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/******************************************************************************/
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(function() {
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'use strict';
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/******************************************************************************/
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var messager = vAPI.messaging.channel('logger-ui.js');
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var tbody = document.querySelector('#content tbody');
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var trJunkyard = [];
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var tdJunkyard = [];
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var firstVarDataCol = 2; // currently, column 2 (0-based index)
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var lastVarDataIndex = 3; // currently, d0-d3
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var maxEntries = 1000;
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var noTabId = '';
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var allTabIds = {};
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var prettyRequestTypes = {
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'main_frame': 'doc',
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'stylesheet': 'css',
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'sub_frame': 'frame',
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'xmlhttprequest': 'xhr'
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};
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var timeOptions = {
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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hour12: false
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};
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var dateOptions = {
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month: 'short',
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day: '2-digit'
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};
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/******************************************************************************/
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var escapeHTML = function(s) {
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return s.replace(reEscapeLeftBracket, '<')
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.replace(reEscapeRightBracket, '>');
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};
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var reEscapeLeftBracket = /</g;
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var reEscapeRightBracket = />/g;
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/******************************************************************************/
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// Emphasize hostname in URL, as this is what matters in uMatrix's rules.
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var nodeFromURL = function(url) {
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var hnbeg = url.indexOf('://');
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if ( hnbeg === -1 ) {
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return document.createTextNode(url);
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}
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hnbeg += 3;
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var hnend = url.indexOf('/', hnbeg);
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if ( hnend === -1 ) {
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hnend = url.slice(hnbeg).search(/\?#/);
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if ( hnend !== -1 ) {
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hnend += hnbeg;
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} else {
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hnend = url.length;
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}
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}
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var node = renderedURLTemplate.cloneNode(true);
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node.childNodes[0].textContent = url.slice(0, hnbeg);
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node.childNodes[1].textContent = url.slice(hnbeg, hnend);
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node.childNodes[2].textContent = url.slice(hnend);
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return node;
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};
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var renderedURLTemplate = document.querySelector('#renderedURLTemplate > span');
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/******************************************************************************/
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var createCellAt = function(tr, index) {
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var td = tr.cells[index];
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var mustAppend = !td;
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if ( mustAppend ) {
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td = tdJunkyard.pop();
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}
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if ( td ) {
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td.removeAttribute('colspan');
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td.textContent = '';
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} else {
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td = document.createElement('td');
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}
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if ( mustAppend ) {
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tr.appendChild(td);
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}
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return td;
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};
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/******************************************************************************/
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var createRow = function(layout) {
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var tr = trJunkyard.pop();
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if ( tr ) {
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tr.className = '';
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} else {
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tr = document.createElement('tr');
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}
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for ( var index = 0; index < firstVarDataCol; index++ ) {
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createCellAt(tr, index);
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}
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var i = 1, span = 1, td;
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for (;;) {
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td = createCellAt(tr, index);
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if ( i === lastVarDataIndex ) {
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break;
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}
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if ( layout.charAt(i) !== '1' ) {
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span += 1;
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} else {
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if ( span !== 1 ) {
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td.setAttribute('colspan', span);
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}
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index += 1;
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span = 1;
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}
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i += 1;
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}
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if ( span !== 1 ) {
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td.setAttribute('colspan', span);
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}
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index += 1;
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while ( td = tr.cells[index] ) {
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tdJunkyard.push(tr.removeChild(td));
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}
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return tr;
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};
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/******************************************************************************/
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var createGap = function(tabId, url) {
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var tr = createRow('1');
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tr.classList.add('doc');
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tr.classList.add('tab');
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tr.classList.add('canMtx');
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tr.classList.add('tab_' + tabId);
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tr.cells[firstVarDataCol].textContent = url;
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tbody.insertBefore(tr, tbody.firstChild);
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};
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/******************************************************************************/
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var renderLogEntry = function(entry) {
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var tr;
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var fvdc = firstVarDataCol;
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switch ( entry.cat ) {
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case 'error':
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case 'info':
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tr = createRow('1');
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tr.cells[fvdc].textContent = entry.d0;
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break;
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case 'net':
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tr = createRow('111');
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tr.classList.add('canMtx');
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// If the request is that of a root frame, insert a gap in the table
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// in order to visually separate entries for different documents.
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if ( entry.d2 === 'doc' && entry.tab !== noTabId ) {
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createGap(entry.tab, entry.d1);
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}
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if ( entry.d3 ) {
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tr.classList.add('blocked');
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tr.cells[fvdc].textContent = '--';
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} else {
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tr.cells[fvdc].textContent = '';
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}
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tr.cells[fvdc+1].textContent = (prettyRequestTypes[entry.d2] || entry.d2);
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tr.cells[fvdc+2].appendChild(nodeFromURL(entry.d1));
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break;
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default:
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tr = createRow('1');
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tr.cells[fvdc].textContent = entry.d0;
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break;
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}
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// Fields common to all rows.
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var time = new Date(entry.tstamp);
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tr.cells[0].textContent = time.toLocaleTimeString('fullwide', timeOptions);
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tr.cells[0].title = time.toLocaleDateString('fullwide', dateOptions);
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if ( entry.tab ) {
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tr.classList.add('tab');
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if ( entry.tab === noTabId ) {
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tr.classList.add('tab_bts');
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} else if ( entry.tab !== '' ) {
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tr.classList.add('tab_' + entry.tab);
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}
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}
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if ( entry.cat !== '' ) {
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tr.classList.add('cat_' + entry.cat);
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}
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rowFilterer.filterOne(tr, true);
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tbody.insertBefore(tr, tbody.firstChild);
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};
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/******************************************************************************/
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var renderLogEntries = function(response) {
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var entries = response.entries;
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if ( entries.length === 0 ) {
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return;
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}
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// Preserve scroll position
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var height = tbody.offsetHeight;
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var tabIds = response.tabIds;
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var n = entries.length;
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var entry;
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for ( var i = 0; i < n; i++ ) {
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entry = entries[i];
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// Unlikely, but it may happen
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if ( entry.tab && tabIds.hasOwnProperty(entry.tab) === false ) {
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continue;
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}
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renderLogEntry(entries[i]);
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}
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// Prevent logger from growing infinitely and eating all memory. For
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// instance someone could forget that it is left opened for some
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// dynamically refreshed pages.
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truncateLog(maxEntries);
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var yDelta = tbody.offsetHeight - height;
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if ( yDelta === 0 ) {
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return;
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}
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// Chromium:
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// body.scrollTop = good value
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// body.parentNode.scrollTop = 0
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if ( document.body.scrollTop !== 0 ) {
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document.body.scrollTop += yDelta;
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return;
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}
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// Firefox:
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// body.scrollTop = 0
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// body.parentNode.scrollTop = good value
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var parentNode = document.body.parentNode;
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if ( parentNode && parentNode.scrollTop !== 0 ) {
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parentNode.scrollTop += yDelta;
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}
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};
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/******************************************************************************/
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var truncateLog = function(size) {
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if ( size === 0 ) {
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size = 5000;
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}
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var tbody = document.querySelector('#content tbody');
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size = Math.min(size, 10000);
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var tr;
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while ( tbody.childElementCount > size ) {
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tr = tbody.lastElementChild;
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trJunkyard.push(tbody.removeChild(tr));
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}
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};
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/******************************************************************************/
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var onLogBufferRead = function(response) {
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// This tells us the behind-the-scene tab id
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noTabId = response.noTabId;
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// This may have changed meanwhile
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if ( response.maxLoggedRequests !== maxEntries ) {
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maxEntries = response.maxLoggedRequests;
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uDom('#maxEntries').val(maxEntries || '');
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}
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// Neuter rows for which a tab does not exist anymore
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// TODO: sort to avoid using indexOf
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var autoDeleteVoidRows = vAPI.localStorage.getItem('loggerAutoDeleteVoidRows');
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var rowVoided = false, trs;
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for ( var tabId in allTabIds ) {
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if ( allTabIds.hasOwnProperty(tabId) === false ) {
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continue;
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}
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if ( response.tabIds.hasOwnProperty(tabId) ) {
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continue;
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}
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trs = uDom('.tab_' + tabId);
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if ( autoDeleteVoidRows ) {
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toJunkyard(trs);
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} else {
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trs.removeClass('canMtx');
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rowVoided = true;
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}
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if ( tabId === popupManager.tabId ) {
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popupManager.toggleOff();
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}
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}
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allTabIds = response.tabIds;
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renderLogEntries(response);
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if ( rowVoided ) {
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uDom('#clean').toggleClass(
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'disabled',
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tbody.querySelector('tr.tab:not(.canMtx)') === null
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);
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}
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// Synchronize toolbar with content of log
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uDom('#clear').toggleClass(
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'disabled',
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tbody.querySelector('tr') === null
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);
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setTimeout(readLogBuffer, 1200);
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};
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/******************************************************************************/
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// This can be called only once, at init time. After that, this will be called
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// automatically. If called after init time, this will be messy, and this would
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// require a bit more code to ensure no multi time out events.
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var readLogBuffer = function() {
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messager.send({ what: 'readMany' }, onLogBufferRead);
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};
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/******************************************************************************/
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var onMaxEntriesChanged = function() {
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var raw = uDom(this).val();
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try {
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maxEntries = parseInt(raw, 10);
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if ( isNaN(maxEntries) ) {
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maxEntries = 0;
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}
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} catch (e) {
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maxEntries = 0;
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}
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messager.send({
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what: 'userSettings',
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name: 'maxLoggedRequests',
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value: maxEntries
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});
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truncateLog(maxEntries);
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};
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/******************************************************************************/
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var rowFilterer = (function() {
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var filters = [];
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var parseInput = function() {
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filters = [];
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var rawPart, not, hardBeg, hardEnd, reStr;
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var raw = uDom('#filterInput').val().trim();
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var rawParts = raw.split(/\s+/);
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var i = rawParts.length;
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while ( i-- ) {
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rawPart = rawParts[i];
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not = rawPart.charAt(0) === '!';
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if ( not ) {
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rawPart = rawPart.slice(1);
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}
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hardBeg = rawPart.charAt(0) === '|';
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if ( hardBeg ) {
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rawPart = rawPart.slice(1);
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}
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hardEnd = rawPart.slice(-1) === '|';
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if ( hardEnd ) {
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rawPart = rawPart.slice(0, -1);
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}
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if ( rawPart === '' ) {
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continue;
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}
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// https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions
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reStr = rawPart.replace(/[.+?^${}()|[\]\\]/g, '\\$&')
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.replace(/\*/g, '.*');
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if ( hardBeg ) {
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reStr = '(?:^|\\s)' + reStr;
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}
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if ( hardEnd ) {
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reStr += '(?:\\s|$)';
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}
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filters.push({
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re: new RegExp(reStr, 'i'),
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r: !not
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});
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}
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};
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var filterOne = function(tr, clean) {
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var ff = filters;
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var fcount = ff.length;
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if ( fcount === 0 && clean === true ) {
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return;
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}
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// do not filter out doc boundaries, they help separate important
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// section of log.
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var cl = tr.classList;
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if ( cl.contains('doc') ) {
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return;
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}
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if ( fcount === 0 ) {
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cl.remove('f');
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return;
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}
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var cc = tr.cells;
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var ccount = cc.length;
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var hit, j, f;
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// each filter expression must hit (implicit and-op)
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// if...
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// positive filter expression = there must one hit on any field
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// negative filter expression = there must be no hit on all fields
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for ( var i = 0; i < fcount; i++ ) {
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f = ff[i];
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hit = !f.r;
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for ( j = 0; j < ccount; j++ ) {
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if ( f.re.test(cc[j].textContent) ) {
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hit = f.r;
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break;
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}
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}
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if ( !hit ) {
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cl.add('f');
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return;
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}
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}
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cl.remove('f');
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};
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var filterAll = function() {
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// Special case: no filter
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if ( filters.length === 0 ) {
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uDom('#content tr').removeClass('f');
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return;
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}
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var tbody = document.querySelector('#content tbody');
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var rows = tbody.rows;
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var i = rows.length;
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while ( i-- ) {
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filterOne(rows[i]);
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}
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};
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var onFilterChangedAsync = (function() {
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var timer = null;
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var commit = function() {
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timer = null;
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parseInput();
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filterAll();
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};
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return function() {
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if ( timer !== null ) {
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clearTimeout(timer);
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}
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timer = setTimeout(commit, 750);
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};
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})();
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var onFilterButton = function() {
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var cl = document.body.classList;
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cl.toggle('f', cl.contains('f') === false);
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};
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uDom('#filterButton').on('click', onFilterButton);
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uDom('#filterInput').on('input', onFilterChangedAsync);
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return {
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filterOne: filterOne,
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filterAll: filterAll
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};
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})();
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/******************************************************************************/
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var toJunkyard = function(trs) {
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trs.remove();
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var i = trs.length;
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while ( i-- ) {
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trJunkyard.push(trs.nodeAt(i));
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}
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};
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/******************************************************************************/
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var clearBuffer = function() {
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var tbody = document.querySelector('#content tbody');
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var tr;
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while ( tbody.firstChild !== null ) {
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tr = tbody.lastElementChild;
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trJunkyard.push(tbody.removeChild(tr));
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}
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uDom('#clear').addClass('disabled');
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uDom('#clean').addClass('disabled');
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};
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/******************************************************************************/
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var cleanBuffer = function() {
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var rows = uDom('#content tr.tab:not(.canMtx)').remove();
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var i = rows.length;
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while ( i-- ) {
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trJunkyard.push(rows.nodeAt(i));
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}
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uDom('#clean').addClass('disabled');
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};
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/******************************************************************************/
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var toggleCompactView = function() {
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document.body.classList.toggle(
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'compactView',
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document.body.classList.contains('compactView') === false
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);
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};
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/******************************************************************************/
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var popupManager = (function() {
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var realTabId = null;
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var localTabId = null;
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var container = null;
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var popup = null;
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var popupObserver = null;
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var style = null;
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var styleTemplate = [
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'tr:not(.tab_{{tabId}}) {',
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'cursor: not-allowed;',
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'opacity: 0.2;',
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'}'
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].join('\n');
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var resizePopup = function() {
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if ( popup === null ) {
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return;
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}
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var popupBody = popup.contentWindow.document.body;
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if ( popupBody.clientWidth !== 0 && container.clientWidth !== popupBody.clientWidth ) {
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container.style.setProperty('width', popupBody.clientWidth + 'px');
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}
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popup.style.removeProperty('height');
|
|
if ( popupBody.clientHeight !== 0 && popup.clientHeight !== popupBody.clientHeight ) {
|
|
popup.style.setProperty('height', popupBody.clientHeight + 'px');
|
|
}
|
|
var ph = document.documentElement.clientHeight;
|
|
var crect = container.getBoundingClientRect();
|
|
if ( crect.height > ph ) {
|
|
popup.style.setProperty('height', 'calc(' + ph + 'px - 1.8em)');
|
|
}
|
|
// Adjust width for presence/absence of vertical scroll bar which may
|
|
// have appeared as a result of last operation.
|
|
var cw = container.clientWidth;
|
|
var dw = popup.contentWindow.document.documentElement.clientWidth;
|
|
if ( cw !== dw ) {
|
|
container.style.setProperty('width', (2 * cw - dw) + 'px');
|
|
}
|
|
};
|
|
|
|
var toggleSize = function() {
|
|
container.classList.toggle('hide');
|
|
};
|
|
|
|
var onLoad = function() {
|
|
resizePopup();
|
|
popupObserver.observe(popup.contentDocument.body, {
|
|
subtree: true,
|
|
attributes: true
|
|
});
|
|
};
|
|
|
|
var toggleOn = function(td) {
|
|
var tr = td.parentNode;
|
|
var matches = tr.className.match(/(?:^| )tab_([^ ]+)/);
|
|
if ( matches === null ) {
|
|
return;
|
|
}
|
|
realTabId = localTabId = matches[1];
|
|
if ( localTabId === 'bts' ) {
|
|
realTabId = noTabId;
|
|
}
|
|
|
|
container = document.getElementById('popupContainer');
|
|
|
|
container.querySelector('div > span:nth-of-type(1)').addEventListener('click', toggleSize);
|
|
container.querySelector('div > span:nth-of-type(2)').addEventListener('click', toggleOff);
|
|
|
|
popup = document.createElement('iframe');
|
|
popup.addEventListener('load', onLoad);
|
|
popup.setAttribute('src', 'popup.html?tabId=' + realTabId);
|
|
popupObserver = new MutationObserver(resizePopup);
|
|
container.appendChild(popup);
|
|
|
|
style = document.querySelector('#content > style');
|
|
style.textContent = styleTemplate.replace('{{tabId}}', localTabId);
|
|
|
|
document.body.classList.add('popupOn');
|
|
};
|
|
|
|
var toggleOff = function() {
|
|
document.body.classList.remove('popupOn');
|
|
|
|
container.querySelector('div > span:nth-of-type(1)').removeEventListener('click', toggleSize);
|
|
container.querySelector('div > span:nth-of-type(2)').removeEventListener('click', toggleOff);
|
|
container.classList.remove('hide');
|
|
|
|
popup.removeEventListener('load', onLoad);
|
|
popupObserver.disconnect();
|
|
popupObserver = null;
|
|
popup.setAttribute('src', '');
|
|
container.removeChild(popup);
|
|
popup = null;
|
|
|
|
style.textContent = '';
|
|
style = null;
|
|
|
|
container = null;
|
|
realTabId = null;
|
|
};
|
|
|
|
var exports = {
|
|
toggleOn: function(ev) {
|
|
if ( realTabId === null ) {
|
|
toggleOn(ev.target);
|
|
}
|
|
},
|
|
toggleOff: function() {
|
|
if ( realTabId !== null ) {
|
|
toggleOff();
|
|
}
|
|
}
|
|
};
|
|
|
|
Object.defineProperty(exports, 'tabId', {
|
|
get: function() { return realTabId || 0; }
|
|
});
|
|
|
|
return exports;
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
|
|
uDom.onLoad(function() {
|
|
readLogBuffer();
|
|
|
|
uDom('#compactViewToggler').on('click', toggleCompactView);
|
|
uDom('#clean').on('click', cleanBuffer);
|
|
uDom('#clear').on('click', clearBuffer);
|
|
uDom('#maxEntries').on('change', onMaxEntriesChanged);
|
|
uDom('#content table').on('click', 'tr.canMtx > td:nth-of-type(2)', popupManager.toggleOn);
|
|
});
|
|
|
|
/******************************************************************************/
|
|
|
|
})();
|