uBlock/src/js/devtools.js

114 lines
3.8 KiB
JavaScript

/*******************************************************************************
µBlock - a Chromium browser extension to block requests.
Copyright (C) 2014 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
*/
/* jshint bitwise: false */
/* global vAPI, uDom */
/******************************************************************************/
(function() {
'use strict';
/******************************************************************************/
var messager = vAPI.messaging.channel('devtools.js');
/******************************************************************************/
var renderPageSelector = function(targetTabId) {
var selectedTabId = targetTabId || uDom('#pageSelector').val();
var onDataReceived = function(pageTitles) {
if ( pageTitles.hasOwnProperty(selectedTabId) === false ) {
selectedTabId = pageTitles[0];
}
var select = uDom('#pageSelector').empty();
var option;
for ( var tabId in pageTitles ) {
if ( pageTitles.hasOwnProperty(tabId) === false ) {
continue;
}
option = uDom('<option>').text(pageTitles[tabId])
.prop('value', tabId);
if ( tabId === selectedTabId ) {
option.prop('selected', true);
}
select.append(option);
}
// This must be done after inserting all option tags, or else Firefox
// will refuse values which do not exist yet.
select.prop('value', selectedTabId);
selectPage();
};
messager.send({ what: 'getPageDetails' }, onDataReceived);
};
/******************************************************************************/
var pageSelectorChanged = function() {
selectPage();
};
/******************************************************************************/
var selectPage = function() {
var tabId = uDom('#pageSelector').val() || '';
var inspector = uDom('#content');
var currentSrc = inspector.attr('src');
var targetSrc = 'devtool-log.html?tabId=' + tabId;
if ( targetSrc === currentSrc ) {
return;
}
inspector.attr('src', targetSrc);
// This is useful for when the user force-refresh the page: this will
// prevent a reset to the original request log.
// This is also useful for an outside observer to find out which tab is
// being logged, i.e. the popup menu can initialize itself according to
// what tab is currently being logged.
window.history.pushState(
{},
'',
window.location.href.replace(/^(.+[\?&])tabId=([^&]+)(.*)$/, '$1tabId=' + tabId + '$3')
);
};
/******************************************************************************/
uDom.onLoad(function() {
var tabId;
// Extract the tab id of the page we need to pull the log
var matches = window.location.search.match(/[\?&]tabId=([^&]+)/);
if ( matches && matches.length === 2 ) {
tabId = matches[1];
}
renderPageSelector(tabId);
uDom('#pageSelector').on('change', pageSelectorChanged);
uDom('#refresh').on('click', function() { renderPageSelector(); } );
});
/******************************************************************************/
})();