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mirror of https://github.com/gorhill/uBlock.git synced 2024-11-25 03:43:25 +01:00
uBlock/js/utils.js
2014-08-20 09:24:16 -04:00

137 lines
4.1 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
*/
/* global chrome, µBlock */
/******************************************************************************/
// This will inserted as a module in the µBlock object.
µBlock.utils = (function() {
/******************************************************************************/
var exports = {};
/******************************************************************************/
exports.gotoURL = function(details) {
if ( details.tabId ) {
chrome.tabs.update(details.tabId, { url: details.url });
} else {
chrome.tabs.create({ url: details.url });
}
};
/******************************************************************************/
exports.gotoExtensionURL = function(url) {
var hasQuery = function(url) {
return url.indexOf('?') >= 0;
};
var removeQuery = function(url) {
var pos = url.indexOf('?');
if ( pos < 0 ) {
return url;
}
return url.slice(0, pos);
};
var removeFragment = function(url) {
var pos = url.indexOf('#');
if ( pos < 0 ) {
return url;
}
return url.slice(0, pos);
};
var tabIndex = 9999;
var targetUrl = chrome.extension.getURL(url);
var currentWindow = function(tabs) {
var updateProperties = { active: true };
var i = tabs.length;
while ( i-- ) {
if ( removeQuery(tabs[i].url) !== removeQuery(targetUrl) ) {
continue;
}
// If current tab in dashboard is different, force the new one, if
// there is one, to be activated.
if ( tabs[i].url !== targetUrl ) {
updateProperties.url = targetUrl;
}
chrome.tabs.update(tabs[i].id, updateProperties);
return;
}
chrome.tabs.create({ 'url': targetUrl, index: tabIndex + 1 });
};
var currentTab = function(tabs) {
if ( tabs.length ) {
tabIndex = tabs[0].index;
}
chrome.tabs.query({ currentWindow: true }, currentWindow);
};
// https://github.com/gorhill/httpswitchboard/issues/150
// Logic:
// - If URL is already opened in a tab, just activate tab
// - Otherwise find the current active tab and open in a tab immediately
// to the right of the active tab
chrome.tabs.query({ active: true }, currentTab);
};
/******************************************************************************/
exports.formatCount = function(count) {
if ( typeof count !== 'number' ) {
return '';
}
var s = count.toFixed(0);
if ( count >= 1000 ) {
if ( count < 10000 ) {
s = '>' + s.slice(0,1) + 'K';
} else if ( count < 100000 ) {
s = s.slice(0,2) + 'K';
} else if ( count < 1000000 ) {
s = s.slice(0,3) + 'K';
} else if ( count < 10000000 ) {
s = s.slice(0,1) + 'M';
} else {
s = s.slice(0,-6) + 'M';
}
}
return s;
};
// https://www.youtube.com/watch?v=DyvzfyqYm_s
/******************************************************************************/
return exports;
/******************************************************************************/
})();
/******************************************************************************/