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原脚本为【俺的手机视频脚本】。方便自用新增了0.1~9.9倍速播放功能。
// ==UserScript==
// @name 手机视频脚本-测试版
// @description 原脚本为【俺的手机视频脚本】。方便自用新增了0.1~9.9倍速播放功能。
// @version 1.7.0-fork-0.4-test-0.16
// @author 酷安：lying_flat，原脚本作者： shopkeeperV，原脚本链接https://greasyfork.org/scripts/456542/code
// @namespace https://greasyfork.org/users/1304874
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_addValueChangeListener
// @grant GM_registerMenuCommand
// @grant window.onurlchange
// ==/UserScript==
/*jshint esversion: 8*/
function addSpeedControl(videoElement) {
'use strict';
//style.cssText
const style = {
menu: `
width: 15%;
height: 100%;
position: absolute;
top: 0px;
left: 0px;
display: flex;
flex-direction: column;
text-align: center;
color: black;
background-color: white;
border-radius: 3px;
padding: auto 0px;
`,
upper: `
max-width: 100%;
max-height: 20%;
`,
show: `
width: 100%;
height: 40px;
max-height: 100%;
font-size: 16px;
border-radius: 3px;
border:1px solid black;
box-sizing:border-box;
`,
bottom: `
max-height: 80%;
box-sizing: border-box;
border:1px solid black;
border-radius: 3px;
margin-top: 1px;
display: flex;
flex-direction: row;
`,
scroll: `
width: 50%;
height: 300px;
max-height: 100%;
overflow-y: scroll;
display: flex;
flex-direction: column;
`,
option: `
width: 100%;
height: 10%;
font-size: 18px;
`,
right: `
width: 5%;
height: 100%;
position: absolute;
right: 0px;
top: 0px;
background-color: white;
color: black;
box-sizing:border-box;
z-index: 999999;
padding-top: 15%;
`,
button: `
width: 100%;
height: 70%;
border-radius: 3px;
z-index: 999999;
box-sizing: border-box;
`,
};
/** @typedef {number} integer */
//function
/*function findCurrentVideo() {
let videoElement = document.fullscreenElement;
if (videoElement.tagName !== 'VIDEO') {
//最大的全屏元素不是视频本身，需要寻找视频元素
const videoArray = document.fullscreenElement.getElementsByTagName('video');
if (videoArray.length > 0) {
videoElement = videoArray[0];
if (videoArray.length > 1) {
//console.log("全屏元素内找到不止一个视频。");
//
// find current videoElement
//
}
}
}
return videoElement;
}*/
/** @param {HTMLElement} element */
function findCurrentContainer(element) {
let container = element.parentElement;
let subContainer = element;
let zIndex = Math.max(
Number.isInteger(container.style.zIndex) ? container.style.zIndex : 0,
Number.isInteger(subContainer.style.zIndex) ? subContainer.style.zIndex : 0,
);
const { width, height } = element.getBoundingClientRect();
const isEqualSize = (rect) => Math.abs(rect.width - width) < 1 && Math.abs(rect.height - height) < 1;
while (container.parentElement && isEqualSize(container.parentElement.getBoundingClientRect())) {
subContainer = container;
container = container.parentElement;
if (Number.isInteger(container.style.zIndex) && container.style.zIndex > zIndex)
zIndex = container.style.zIndex;
}
return { container, subContainer, zIndex };
}
/**
* @param {HTMLVideoElement} video
* @param {integer} valueX
*/
function trySetSpeedX(video, valueX) {
const newSpeed = Math.max(video.playbackRate - Math.trunc(video.playbackRate) + valueX, 0);
if (newSpeed == video.playbackRate) return -1;
return (video.playbackRate = newSpeed);
}
/**
* @param {HTMLVideoElement} video
* @param {integer} valueY
*/
function trySetSpeedY(video, valueY) {
const newSpeed = Math.max(Math.trunc(video.playbackRate) + valueY, 0);
if (newSpeed == video.playbackRate) return -1;
return (video.playbackRate = newSpeed);
}
function createElement(type = 'div', cssText = '', innerHTML = '') {
const element = document.createElement(type);
element.style.cssText = cssText;
element.innerHTML = innerHTML;
return element;
}
/** @type {Set<HTMLVideoElement>} */
const videoSet = new Set();
/** @param {HTMLVideoElement} videoElement */
addSpeedControl = (videoElement) => {
if (videoSet.has(videoElement)) return;
videoSet.add(videoElement);
//HTMLElement
const { container, subContainer, zIndex } = findCurrentContainer(videoElement);
const menu = createElement('div', style.menu);
const upper = createElement('div', style.upper);
const show = createElement('div', style.show, `x${parseFloat(videoElement.playbackRate.toFixed(1))}`);
const bottom = createElement('div', style.bottom);
const scrollX = createElement('div', style.scroll);
const scrollY = createElement('div', style.scroll);
const right = createElement('div', style.right);
const button = createElement('button', style.button, `<`);
menu.style.zIndex = right.style.zIndex = zIndex + 1;
bottom.style.zIndex = button.style.zIndex = zIndex + 2;
//options
const optionsX = [];
const optionsY = [];
optionsX.length = optionsY.length = 10;
optionsX.selected = optionsY.selected = -1;
['𝟶', '𝟷', '𝟸', '𝟹', '𝟺', '𝟻', '𝟼', '𝟽', '𝟾', '𝟿'].forEach((digit, i) => {
optionsX[i] = createElement('button', style.option, digit);
optionsY[i] = createElement('button', style.option, `𝟶.${digit}`);
//click
optionsX[i].addEventListener('click', () => {
const speed = trySetSpeedX(videoElement, i);
if (speed >= 0) show.innerHTML = `x${parseFloat(speed.toFixed(1))}`;
if (i == optionsX.selected) return;
if (-1 != optionsX.selected) optionsX[optionsX.selected].style.backgroundColor = 'white';
optionsX[i].style.backgroundColor = 'LightGrey';
optionsX.selected = i;
});
optionsY[i].addEventListener('click', () => {
const speed = trySetSpeedY(videoElement, i / 10);
if (speed >= 0) show.innerHTML = `x${parseFloat(speed.toFixed(1))}`;
if (i == optionsY.selected) return;
if (-1 != optionsY.selected) optionsY[optionsY.selected].style.backgroundColor = 'white';
optionsY[i].style.backgroundColor = 'LightGrey';
optionsY.selected = i;
});
//append option to scroll
scrollX.appendChild(optionsX[i]);
scrollY.appendChild(optionsY[i]);
});
button.addEventListener('click', () => {
if (document.fullscreenElement) {
document.exitFullscreen();
} else {
container.requestFullscreen();
}
});
right.appendChild(button);
subContainer.style.width = '80%';
subContainer.style.position = 'absolute';
subContainer.style.left = '15%';
container.style.display = 'flex'; // 启用Flexbox布局
//fill
bottom.appendChild(scrollX);
bottom.appendChild(scrollY);
upper.appendChild(show);
menu.appendChild(upper);
menu.appendChild(bottom);
container.insertBefore(menu, subContainer);
if (!subContainer.nextSibling) container.appendChild(right);
else container.insertBefore(right, subContainer.nextSibling);
};
addSpeedControl(videoElement);
}
(function () {
'use strict';
if (navigator.userAgent.search('Android') < 0) {
//return;
}
//放开iframe全屏
let iframes = document.getElementsByTagName('iframe');
for (let iframe of iframes) {
iframe.allowFullscreen = true;
}
//部分网站阻止视频操作层触摸事件传播，需要指定监听目标，默认是document
//注意，对少数iframe内视频，广告插件或使此脚本不起作用
let listenTarget = document;
//youtube使用无刷新网页，需要监听地址变化重新监听操控层
if (window.location.host === 'm.youtube.com') {
let refresh = function () {
console.log('俺的手机视频脚本：页面刷新...');
//youtube视频在脚本执行时还没加载，需要个定时器循环获取状态
if (window.location.href.search('watch') >= 0) {
let waitForVideo = function () {
console.log('俺的手机视频脚本：正在获取视频...');
//特定的视频操控层
let videos = document.getElementsByTagName('video');
let listenTargetArray = document.getElementsByClassName('player-controls-background');
if (videos.length > 0) {
let video = videos[0];
//非静音播放中
if (video.readyState > 1 && !video.paused && !video.muted) {
listenTarget = listenTargetArray[0];
//防止重复添加
if (listenTarget.getAttribute('me_video_js')) {
return;
}
listenTarget.setAttribute('me_video_js', 'me_video_js');
//视频已加载
console.log('俺的手机视频脚本：开始监听手势。');
listen();
return;
}
}
setTimeout(waitForVideo, 500);
};
waitForVideo();
}
};
refresh();
window.addEventListener('urlchange', refresh);
}
//通用
listen();
if (GM_getValue('voiced') == null) {
GM_setValue('voiced', true);
}
GM_registerMenuCommand('启用/关闭【触摸视频时取消静音】', () => {
let voiced = GM_getValue('voiced');
if (voiced) {
if (confirm('目前【触摸视频时取消静音】已开启，是否要关闭？')) {
GM_setValue('voiced', !voiced);
}
} else {
if (confirm('目前【触摸视频时取消静音】已关闭，是否要开启？')) {
GM_setValue('voiced', !voiced);
}
}
});
function listen() {
if (listenTarget.tagName /*监听的是元素*/) {
//做个标记方便调试
listenTarget.setAttribute('listen_mark', true);
}
//对视频的查找与控制都是在每次touchstart后重新执行的
//虽然这样更消耗性能，但是对不同的网站兼容性更强
listenTarget.addEventListener('touchstart', (e) => {
//为了代码逻辑在普通视频与iframe内视频的通用性，分别使用了clientX和screenY
let startX;
let startY;
let endX;
let endY;
//多根手指不做响应
if (e.touches.length === 1) {
//在全屏时，不对边缘5%的区域做响应
let screenX = e.touches[0].screenX;
let screenY = e.touches[0].screenY;
if (document.fullscreenElement) {
if (
screenX < screen.width * 0.05 ||
screenX > screen.width * 0.95 ||
screenY < screen.height * 0.05 ||
screenY > screen.height * 0.95
)
return;
}
//单指触摸，记录位置
startX = Math.ceil(e.touches[0].clientX);
startY = Math.ceil(screenY);
endX = startX;
endY = startY;
} else return;
let videoElement;
//触摸的目标如果是视频或视频操控层，那他也是我们绑定手势的目标
let target = e.target;
//用于有操控层的网站，保存的是视频与操控层适当尺寸下的最大共同祖先节点，确认后需要在后代内搜索视频元素
let biggestContainer;
let targetWidth = target.clientWidth;
let targetHeight = target.clientHeight;
//所有大小合适的祖先节点最后一个为biggestContainer
let suitParents = [];
//用于判断是否含有包裹视频的a标签，需要禁止其被长按时呼出浏览器菜单
let allParents = [];
let temp = target;
//用于抖音类网站，滚动高度超过阈值后，不再继续查找祖先
let findAllSuitParent = false;
//抖音类短视频网站，特点是视频操控层占据几乎整个屏幕
let maybeTiktok = false;
//用于短视频判断
let scrollHeightOut = false;
while (true) {
temp = temp.parentElement;
if (!temp /*或直接点击到html元素，他将没有父元素*/) {
return;
}
//allParents全部保存，用于判断是否存在a标签
allParents.push(temp);
if (
!findAllSuitParent &&
temp.clientWidth > 0 &&
temp.clientWidth < targetWidth * 1.2 &&
temp.clientHeight > 0 &&
temp.clientHeight < targetHeight * 1.2
) {
//用非全屏状态下scrollHeight来判断可以准确找到抖音类网站的合适视频容器
if (document.fullscreenElement) {
//全屏时视觉尺寸合适都可以用，youtube全屏就有滚动高度超出限制的元素
//suitParents保存适合的尺寸的祖先节点
suitParents.push(temp);
} else {
//非全屏时要判断一下滚动高度
if (temp.scrollHeight < targetHeight * 1.2) {
suitParents.push(temp);
} else {
findAllSuitParent = true;
scrollHeightOut = true;
}
}
}
//循环结束条件
if (temp.tagName === 'BODY' || temp.tagName === 'HTML' || !temp.parentElement) {
//已找到所有符合条件的祖先节点，取最后一个
if (suitParents.length > 0) {
biggestContainer = suitParents[suitParents.length - 1];
}
//没有任何大小合适的祖先元素，且自身不是视频元素，那也肯定不是视频操控层
else if (target.tagName !== 'VIDEO') {
return;
}
//gc
suitParents = null;
break;
}
}
//当触摸的不是视频元素，可能是非视频相关组件，或视频的操控层
if (target.tagName !== 'VIDEO') {
//尝试获取视频元素
let videoArray = biggestContainer.getElementsByTagName('video');
if (videoArray.length > 0) {
videoElement = videoArray[0];
//找到视频元素后，可以判断是否可能是短视频
//非全屏状态下，非iframe内视频，若视频操作层或视频占据大半的屏幕，判断为短视频
//tiktok没有视频控件，判断这个防止有页面的预览视频铺满了屏幕，这一项只能判断到没有框架的视频
if (
!document.fullscreenElement &&
top === window &&
!videoElement.controls &&
scrollHeightOut &&
target.clientHeight > window.innerHeight * 0.8
) {
maybeTiktok = true;
}
//如果是视频外很大的容器绝非我们想要的
//操作层除了短视频没见过高度高视频这么多的，大概率不是视频操控层
let _videoWidth = videoElement.clientWidth;
let _videoHeight = videoElement.clientHeight;
if (!maybeTiktok && targetHeight > _videoHeight * 1.5) {
//不是合适的操作层
return;
}
if (videoArray.length > 1) {
console.log('触摸位置找到不止一个视频。');
}
} else {
//非视频相关组件
return;
}
}
//触摸的是视频元素，则一切清晰明了
else {
videoElement = target;
}
//用于比较单击后，视频的播放状态，如果单击暂停，则恢复播放
let playing = !videoElement.paused;
//下面两个连通tiktok变量3个参数用于判断是否要执行touchmove事件处理器
//小于30s当做预览视频，在网页上的视频列表可能存在，不要让他们影响网页滚动
let sampleVideo = false;
let videoReady = false;
let videoReadyHandler = function () {
videoReady = true;
if (videoElement.duration < 30) {
sampleVideo = true;
}
};
if (videoElement.readyState > 0) {
videoReadyHandler();
} else {
videoElement.addEventListener('loadedmetadata', videoReadyHandler, { once: true });
}
//一个合适尺寸的最近祖先元素用于显示手势信息与全屏按钮
let componentContainer = findComponentContainer();
//指示器元素
let notice;
//视频快进快退量
let timeChange = 0;
//1表示右滑快进，2表示左滑快退，方向一旦确认就无法更改
let direction;
//优化a标签导致的长按手势中断问题（许多网站的视频列表的预览视频都是由a标签包裹）
makeTagAQuiet();
//禁止长按视频呼出浏览器菜单，为长按倍速做准备（没有视频框架的视频需要）
if (!videoElement.getAttribute('disable_contextmenu') /*只添加一次监听器*/) {
videoElement.addEventListener('contextmenu', (e) => {
e.preventDefault();
});
videoElement.setAttribute('disable_contextmenu', true);
}
//禁止图片长按呼出浏览器菜单和拖动（部分框架视频未播放时，触摸到的是预览图，抖音类播放时摸到的都是图片）
if (target.tagName === 'IMG') {
target.draggable = false;
if (!target.getAttribute('disable_contextmenu')) {
target.addEventListener('contextmenu', (e) => {
e.preventDefault();
});
target.setAttribute('disable_contextmenu', true);
}
}
let haveControls = videoElement.controls;
let longPress = false;
//长按倍速定时器
let rateTimer = setTimeout(() => {
videoElement.playbackRateBackup = videoElement.playbackRate;
videoElement.playbackRate = 4;
videoElement.controls = false;
//禁止再快进快退
target.removeEventListener('touchmove', touchmoveHandler);
//显示notice
notice.innerText = 'x4';
notice.style.display = 'block';
longPress = true;
rateTimer = null;
}, 800);
//有些网站预览视频位置实际在屏幕之外，需要加上平移的数值
let screenWidth = screen.width;
let componentMoveLeft = componentContainer.offsetLeft;
let moveNum = Math.floor((componentMoveLeft * 1.1) / screenWidth);
//添加指示器元素
if (componentContainer) {
notice = document.createElement('div');
notice.style.cssText = `
width: 60px; height: 30px; right: 0px; top: 0px;
position:absolute; display:none; z-index:99999; text-align:center;
opacity:0.5; background-color:black; color:white;
font:16px/1.8 sans-serif; letter-spacing:normal;
border-radius:4px;
`;
componentContainer.appendChild(notice);
addSpeedControl(videoElement);
} else {
//怎么可能有视频没有div包着啊
console.log('该视频没有可以用于给快进指示器定位的祖先元素。');
}
//滑动流畅的关键1，passive为false代表处理器内调用preventDefault()不会被浏览器拒绝
//mdn：文档级节点 Window、Document 和 Document.body默认是true，其他节点默认是false
target.addEventListener('touchmove', touchmoveHandler /*, {passive: false}*/);
target.addEventListener(
'touchend',
() => {
setTimeout(touchendHandler, 0);
},
{ once: true },
);
function makeTagAQuiet() {
for (let element of allParents) {
if (element.tagName === 'A' && !element.getAttribute('disable_menu_and_drag')) {
//禁止长按菜单
element.addEventListener('contextmenu', (e) => {
e.preventDefault();
});
//禁止长按拖动
element.draggable = false;
element.setAttribute('disable_menu_and_drag', true);
//没有长按菜单，用target="_blank"属性来平替
element.target = '_blank';
//不可能a标签嵌套a标签吧
break;
}
}
allParents = null;
}
function findComponentContainer() {
let temp = videoElement;
while (true) {
//寻找最近的有长宽数值的祖先节点
if (temp.parentElement.clientWidth > 0 && temp.parentElement.clientHeight > 0) {
return temp.parentElement;
} else {
temp = temp.parentElement;
}
}
}
function getClearTimeChange(timeChange) {
timeChange = Math.abs(timeChange);
let minute = Math.floor(timeChange / 60);
let second = timeChange % 60;
return (minute === 0 ? '' : minute + 'min') + second + 's';
}
function touchmoveHandler(moveEvent) {
//触摸屏幕后，0.8s内如果有移动，清除长按定时事件
if (rateTimer) {
clearTimeout(rateTimer);
rateTimer = null;
}
if (maybeTiktok || sampleVideo || !videoReady) {
return;
}
//滑动流畅的关键2
moveEvent.preventDefault();
if (moveEvent.touches.length === 1) {
//仅支持单指触摸，记录位置
let temp = Math.ceil(moveEvent.touches[0].clientX);
//x轴没变化，y轴方向移动也会触发，要避免不必要的运算
if (temp === endX) {
return;
} else {
endX = temp;
}
endY = Math.ceil(moveEvent.touches[0].screenY);
//console.log("移动到" + endX + "," + endY);
}
//由第一次移动确认手势方向，就不再变更
//10个像素起
if (endX > startX + 10) {
//快进
if (!direction) {
//首次移动，记录方向
direction = 1;
}
if (direction === 1) {
//方向未变化
timeChange = endX - startX - 10;
} else {
timeChange = 0;
}
} else if (endX < startX - 10) {
//快退
if (!direction) {
//首次移动，记录方向
direction = 2;
}
if (direction === 2) {
//方向未变化
timeChange = endX - startX + 10;
} else {
timeChange = 0;
}
} else if (timeChange !== 0) {
timeChange = 0;
} else {
return;
}
if (
notice.style.display === 'none' /*已经显示了就不管怎么滑动了*/ &&
Math.abs(endY - startY) > Math.abs(endX - startX)
) {
//垂直滑动不显示
timeChange = 0;
return;
}
//未到阈值不显示
if (direction) {
notice.style.display = 'block';
notice.innerText = (direction === 1 ? '>>>' : '<<<') + getClearTimeChange(timeChange);
}
}
function touchendHandler() {
if (GM_getValue('voiced')) {
videoElement.muted = false;
}
//所有非短视频自带的全视频区域的单击暂停，给他重新播放，手机不适合单击暂停，需要暂停的使用暂停按钮即可
//带延迟是为了让网页自带的js先执行，videoElement.paused的状态才会判断准确
setTimeout(() => {
if (playing && videoElement.paused && !maybeTiktok) {
videoElement.play();
}
}, 200);
//一般有chrome自带视频控件的就是没用框架的视频
//需要替换全屏按钮，不然无法显示快进指示器
//非长按后手指抬起时才添加全屏按钮
if (!longPress && videoElement.controls && !document.fullscreenElement) {
let myFullscreenBtn = document.getElementById('myFullscreenBtn');
if (!myFullscreenBtn) {
let btn = document.createElement('div');
btn.style.cssText =
'z-index:9999999;position:absolute;' +
'display:block;width:50px;' +
'background-color:black;color:white;opacity:0.5;' +
'padding:5px 2px;font:16px/1.2 sans-serif;font-weight:bold;text-align:center;' +
'box-sizing:border-box;border:2px solid white;white-space:normal;';
btn.innerText = '点我全屏';
btn.id = 'myFullscreenBtn';
let divHeight = 50;
btn.style.height = divHeight + 'px';
btn.style.top = Math.round(componentContainer.clientHeight / 2 - divHeight / 2 - 10) + 'px';
btn.style.left =
Math.round(moveNum * screenWidth + (componentContainer.clientWidth * 5) / 7) + 'px';
componentContainer.append(btn);
btn.addEventListener('touchstart', async function () {
clean();
await componentContainer.requestFullscreen();
});
//屏蔽原生全屏按钮
videoElement.controlsList = ['nofullscreen'];
setTimeout(clean, 2000);
function clean() {
let myFullscreenBtn = document.getElementById('myFullscreenBtn');
if (myFullscreenBtn) myFullscreenBtn.remove();
}
}
}
//滑动长按判断
if (endX === startX) {
//长按
//console.log("长按");
if (rateTimer) {
//定时器也许已经执行，此时清除也没关系
clearTimeout(rateTimer);
}
if (longPress) {
//长按快进结束如果原本有控制器，则恢复
videoElement.controls = haveControls;
videoElement.playbackRate =
typeof videoElement.playbackRateBackup == 'number' ? videoElement.playbackRateBackup : 1;
}
} else {
if (timeChange !== 0) {
//快进
videoElement.currentTime += timeChange;
}
//console.log("x轴移动" + (endX - startX));
//console.log("y轴移动" + (endY - startY));
}
target.removeEventListener('touchmove', touchmoveHandler);
if (notice) notice.remove();
}
});
}
//全屏横屏模块
//将浏览器锁定方向的方法改掉，防止网页自带的js执行，当此脚本执行时又把他改回来
//这是因为遇到有网站锁定为any后，且后于此脚本执行，那么手机倒着拿就会直接退出全屏
window.tempLock = screen.orientation.lock;
let myLock = function () {
console.log('网页自带js试图执行lock()');
};
screen.orientation.lock = myLock;
//顶层窗口负责执行横屏，因为iframe可能开启了沙箱机制无法锁定方向并无法修改
//使用油猴的变量监听，绕开iframe跨域限制
if (top === window) {
GM_setValue('doLock', false);
GM_addValueChangeListener('doLock', async function (key, oldValue, newValue, remote) {
if (document.fullscreenElement && newValue) {
//恢复lock()
screen.orientation.lock = window.tempLock;
await screen.orientation.lock('landscape');
//变向结束再次修改lock()
screen.orientation.lock = myLock;
GM_setValue('doLock', false);
}
});
}
//全屏后触发resize次数，如果有iframe，每个document可不是共用这个值
let inTimes = 0;
//利用window的resize事件监听全屏动作，监听document常用的fullscreenchange事件可能因为后代停止传播而捕获不到
window.addEventListener('resize', () => {
//resize事件或先于全屏事件触发，此时判断是否全屏将出错，所以得设置延迟
setTimeout(fullscreenHandler, 500);
});
function fullscreenHandler() {
//获取全屏元素，查找视频，判断视频长宽比来锁定方向
let _fullscreenElement = document.fullscreenElement;
if (_fullscreenElement) {
//如果全屏元素是iframe，说明不是视频所在的document执行到这，记录也没用
if (_fullscreenElement.tagName === 'IFRAME') {
return;
}
//inTimes==1可代表全屏
inTimes++;
} else if (inTimes > 0) {
//此代码块可代表退出全屏
inTimes = 0;
} else {
//退出全屏时多余的触发或者是其他与全屏无关的元素触发resize
return;
}
if (inTimes !== 1) {
return;
}
let videoElement;
if (_fullscreenElement.tagName !== 'VIDEO') {
//最大的全屏元素不是视频本身，需要寻找视频元素
let videoArray = _fullscreenElement.getElementsByTagName('video');
if (videoArray.length > 0) {
videoElement = videoArray[0];
if (videoArray.length > 1) {
console.log('全屏元素内找到不止一个视频。');
}
}
} else videoElement = _fullscreenElement;
//也可能不是视频在全屏
if (videoElement) {
let changeHandler = function () {
//高度小于宽度，需要转向，landscape会自动调用陀螺仪
if (videoElement.videoHeight < videoElement.videoWidth) {
//开启沙盒机制的iframe修改sandbox属性无效，需要顶层窗口调用方向锁定
GM_setValue('doLock', true);
}
};
//视频未加载，在加载后再判断需不需要转向
if (videoElement.readyState < 1) {
videoElement.addEventListener('loadedmetadata', changeHandler, { once: true });
} else {
changeHandler();
}
}
}
})();