Adds download audio button to Jisho.org pages which downloads word audio clips.
// ==UserScript==
// @name Jisho Audio Downloader
// @namespace http://miere.ru/
// @version 0.1
// @description Adds download audio button to Jisho.org pages which downloads word audio clips.
// @author Vladislav <miere> Vorobiev
// @match http://jisho.org/search/*
// @match http://jisho.org/word/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
function getWordNameFromAudioID(audioID) {
if (!audioID || audioID.length < 7) return "unknown";
var result = "";
for (var i = 6; i < audioID.length && audioID[i] !== ':'; ++i) {
result = result + audioID[i];
}
return result;
}
function getFileExtension(file) {
if (!file || file.length === 0) return "";
var extension = [];
var seperatorFound = false;
for (var i = file.length - 1; i > 0; --i) {
if (file[i] === '.') {
extension.add(file[i]);
extension.reverse();
break;
} else {
extension.add(file[i]);
}
}
return extension.join('');
}
function insertNodeAfter(insertNode, afterNode) {
afterNode.parentNode.insertBefore(insertNode, afterNode.nextSibling);
}
function downloadFileWithFileName(url, fileName) {
var URL = window.URL || window.webkitURL;
var xhr = new XMLHttpRequest(),
a = document.createElement('a'), file;
xhr.open('GET', url, true);
xhr.responseType = 'blob';
xhr.onerror = function() {
a.href = url;
a.download = fileName;
a.click();
};
xhr.onload = function() {
file = new Blob([xhr.response], { type : 'application/octet-stream' });
a.href = URL.createObjectURL(file);
a.download = fileName;
a.click();
};
xhr.send();
}
var audioElements = document.getElementsByTagName('audio');
for (var i = 0; i < audioElements.length; ++i) {
var audioElement = audioElements[i];
var audioID = audioElement.id;
var audioLinkElement = audioElement.nextElementSibling;
if (!audioLinkElement || !audioLinkElement.dataset || audioLinkElement.dataset.id != audioID) {
continue; // @TODO: Site layout has changed, skip this or show alert?
}
var downloadAudioElement = document.createElement('a');
downloadAudioElement.className = 'concept_light-status_link';
downloadAudioElement.dataset.href = audioElement.children[0].src;
downloadAudioElement.dataset.download = getWordNameFromAudioID(audioID) + getFileExtension(downloadAudioElement.dataset.href);
downloadAudioElement.innerText = 'Download audio';
downloadAudioElement.addEventListener('click', function(ev) {
downloadFileWithFileName(ev.target.dataset.href, ev.target.dataset.download);
});
insertNodeAfter(downloadAudioElement, audioLinkElement);
}
})();