// ==UserScript==
// @name 俺的手机视频脚本
// @description 全屏横屏、快进快退、长按倍速,对各种视频网站的兼容性很强。仅适用于狐猴、kiwi等chromium内核的浏览器。使用前请先关闭同类横屏或手势脚本,以避免冲突。
// @version 1.7.0
// @author shopkeeperV
// @namespace https://greasyfork.org/zh-CN/users/150069
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_addValueChangeListener
// @grant GM_registerMenuCommand
// @grant window.onurlchange
// ==/UserScript==
/*jshint esversion: 8*/
(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.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");
let noticeWidth = 110;//未带单位,后面需要加单位
let noticeHeight = 30;
let noticeTop = Math.round(componentContainer.clientHeight / 6);
let noticeLeft = Math.round(moveNum * screenWidth + componentContainer.clientWidth / 2 - noticeWidth / 2);
notice.style.cssText = "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;";
notice.style.width = noticeWidth + "px";
notice.style.height = noticeHeight + "px";
notice.style.left = noticeLeft + "px";
notice.style.top = noticeTop + "px";
componentContainer.appendChild(notice);
} 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 = 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();
}
}
}
})();