If 1080p is available, set to 1080p automatically.
// ==UserScript==
// @name Nicovideo:GINZA-HTML5 autoset 1080p
// @namespace https://twitter.com/tigerauge0
// @version 1.12
// @description If 1080p is available, set to 1080p automatically.
// @author HAC
// @match http://www.nicovideo.jp/watch/*
// @match https://www.nicovideo.jp/watch/*
// @license MIT
// ==/UserScript==
(function() {
'use strict';
let observer = new MutationObserver(function (mutationRecords, thisObserver) {
// 最初に自動と低が表示されてから、後で.PlayerOptionDropdown-menuノード指定で変更が入り、細かい画質が追加される
for(let mutationRecord of mutationRecords) {
let dropdownMenuDomObj;
// .PlayerOptionDropdown-menu
dropdownMenuDomObj = mutationRecord.target;
if(dropdownMenuDomObj.classList.contains('PlayerOptionDropdown-menu')) {
if(dropdownMenuDomObj.childNodes.length) {
let dropdownItemTopDomObj = dropdownMenuDomObj.childNodes[0];
// .PlayerOptionDropdown-menu > .PlayerOptionDropdownItem
if(dropdownItemTopDomObj.classList.contains('PlayerOptionDropdownItem')) {
if(dropdownItemTopDomObj.childNodes.length) {
let dropdownItemTopInnerDomObj = dropdownItemTopDomObj.childNodes[0];
// .PlayerOptionDropdown-menu > .PlayerOptionDropdownItem > .PlayerOptionDropdownItem-inner
if(dropdownItemTopInnerDomObj.classList.contains('PlayerOptionDropdownItem-inner')) {
if(/1080p/.test(dropdownItemTopInnerDomObj.textContent)) {
if(!dropdownItemTopDomObj.classList.contains('is-disabled')) {
console.log("1080p is available.");
dropdownItemTopInnerDomObj.click();
let autoPlayDomObj = document.getElementById('AutoPlayMenuItem-on');
if( autoPlayDomObj && autoPlayDomObj.checked === true){
let videoContainerDomObj = document.getElementById('MainVideoPlayer');
if(videoContainerDomObj.getElementsByTagName('video').length) {
let videoDomObj = videoContainerDomObj.getElementsByTagName('video')[0];
videoDomObj.addEventListener('loadedmetadata', function() {
console.log("Autoplay start.");
videoDomObj.play();
});
}
}
} else {
console.log("1080p is not available because of low-quality mode.");
}
} else {
console.log("1080p doesn't exist.");
}
// 問題点: .PlayerOptionDropdownItem[0]が検出できなかった場合、Observeし続ける
thisObserver.disconnect();
break;
}
}
}
}
}
}
});
observer.observe(document.getElementById('js-app'), { childList: true, subtree: true});
})();