// ==UserScript==// @name add_buffer.js// @namespace http://example.org// @description adds information about your current buffer and total download// @include http://www.norbits.net/*// @include http://norbits.net/*// @include https://www.norbits.net/*// @include https://norbits.net/*// ==/UserScript==(function () { if (location.hostname.indexOf('norbits.net') == -1) { return false; } //change this if you want your buffer to be relative to another ratio // e.g. if you want your buffer to show how many GBs left untill you // have a ratio of two point zero, set this to 2.0 :) var bufferIsRelativeTo = 2.50, // relative to 1.0 in ratio showNegativeBuffers = false; function getNodes(expression, startElement) { startElement = startElement || document; return document.evaluate(expression, startElement, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); } function trim(str) { return str.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); } function getGigaBytes(text) { var gigabytes, numbers, suffix; text = trim(text); if (text == 'Inf.' || text == '---') { return 0; } var tmp = text.split(' '); numbers = Number(tmp[0]); suffix = tmp[1]; switch (suffix) { case 'GB': gigabytes = numbers; break; case 'TB': gigabytes = numbers * 1024; break; case 'MB': gigabytes = numbers * 0.0009765625; break; //no point in doing calculations with that low numbers case 'kB': default: gigabytes = 0; break; } return gigabytes; } function start(e) { try { var activeTorrentsNode = getNodes('//font[text()="Akt:"]').snapshotItem(0); if (!activeTorrentsNode) { return; } var uploadNode = getNodes('//font[text()="Opp:"]').snapshotItem(0); if (!uploadNode) { return; } var uploaded = getGigaBytes(uploadNode.nextSibling.textContent);//always in GB var downloadNode = getNodes('//font[text()="Ned:"]').snapshotItem(0); if (!downloadNode) { return; } var downloaded = getGigaBytes(downloadNode.nextSibling.textContent);//always in GB var container = document.createElement('span'); var labelContainer = document.createElement('span'); labelContainer.title = 'Buffer i forhold til en ratio på ' + Number(bufferIsRelativeTo); labelContainer.style.color = 'purple'; labelContainer.appendChild(document.createTextNode('Buffer: ')); container.appendChild(labelContainer); if (!showNegativeBuffers && downloaded >= uploaded/bufferIsRelativeTo) { container.appendChild(document.createTextNode('---')); } else { var buffer = (uploaded/bufferIsRelativeTo - downloaded).toFixed(2);///always in GB, two decimals container.appendChild(document.createTextNode(buffer + ' GB ')); } container.appendChild(document.createTextNode(' ')); //insert before activeTorrentsNode activeTorrentsNode.parentNode.insertBefore(container, activeTorrentsNode); var totalContainer = document.createElement('span'); var descContainer = document.createElement('span') descContainer.style.color = 'blue'; descContainer.appendChild(document.createTextNode('Total: ')); totalContainer.appendChild(descContainer); totalContainer.appendChild(document.createTextNode( (uploaded+downloaded).toFixed(2) + ' GB ' )) activeTorrentsNode.parentNode.insertBefore(totalContainer, activeTorrentsNode); } catch (ex) { alert('feil: ' + ex); } } if (window.opera) { window.addEventListener('DOMContentLoaded', start, false); } else { window.addEventListener('load', start, false); }})();