Press and hold the right arrow key (→) to set the video playback rate faster. Release the key to restore the original rate
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// ==UserScript==
// @name 黄金右键【改】-灵活控制视频倍速-Golden Right-Flexibly control the playback rate of videos
// @description Press and hold the right arrow key (→) to set the video playback rate faster. Release the key to restore the original rate
// @namespace http://tampermonkey.net/
// @homepage https://github.com/SkyJinXX/Golden-Right
// @version 2.2
// @author SkyJin & edr1412
// @include http://*
// @include https://*
// @grant none
// ==/UserScript==
(function () {
"use strict";
let down_count = 0;
const rate_multiplication_factor = 2;
let normal_rate = 1;
const add_time = 5;
let page_video;
function makeArray(arr) {
if (arr.item) {
var len = arr.length;
var array = [];
while (len--) {
array[len] = arr[len];
}
return array;
}
return Array.prototype.slice.call(arr);
}
const init = () => {
if (location.origin.indexOf("youtube.com") > -1) {
document.body.addEventListener("keydown", downEvent_YT, true);
document.body.parentElement.addEventListener("keyup", upEvent_YT, true);
} else {
document.body.addEventListener("keydown", downEvent, true);
document.body.parentElement.addEventListener("keyup", upEvent, true);
}
};
/* for others */
const getPageVideo = () => {
console.log("Finding available Video Element...");
const allVideoElementArray = makeArray(
document.getElementsByTagName("video")
).concat(makeArray(document.getElementsByTagName("bwp-video")));
console.log(allVideoElementArray);
const page_video = Array.prototype.find.call(
allVideoElementArray,
(e) => {
if (checkPageVideo(e)) return e;
}
);
if (page_video) {
console.log("Found the Video Element!");
return page_video;
} else {
console.log("找不到正在播放的Video Element");
}
};
const checkPageVideo = (v) => {
if (v) {
return v.offsetWidth > 9;
} else {
return false;
}
};
const relativeEvent = {
_stopper: (e) => e.stopPropagation(),
// 目前针对腾讯视频
shouldPrevent:
location.origin.indexOf("qq.com") > -1 ||
location.origin.indexOf("wetv.vip") > -1,
prevent() {
document.body.addEventListener("ratechange", this._stopper, true);
document.body.addEventListener("timeupdate", this._stopper, true);
},
allow() {
document.body.removeEventListener(
"ratechange",
this._stopper,
true
);
document.body.removeEventListener(
"timeupdate",
this._stopper,
true
);
},
};
const downEvent = (e) => {
if (e.keyCode !== 39) return;
if (e.simulated) {
console.log("simulated 不处理...");
return;
}
e.stopPropagation();
// 计数+1
down_count++;
// 长按右键-开始
if (down_count === 2) {
if (checkPageVideo(page_video) || (page_video = getPageVideo())) {
relativeEvent.shouldPrevent && relativeEvent.prevent();
normal_rate = page_video.playbackRate;
page_video.playbackRate = normal_rate * rate_multiplication_factor;
console.log("加速播放中...");
}
}
};
const upEvent = (e) => {
if (e.keyCode !== 39) return;
e.stopPropagation();
// 单击右键时
if (down_count === 1) {
if (checkPageVideo(page_video) || (page_video = getPageVideo())) {
//page_video.currentTime += add_time;
//console.log("前进" + add_time + "秒");
console.log("模拟右方向键...");
// 模拟 keydown 事件
let simulatedKeyDown = new KeyboardEvent("keydown", {
bubbles: true,
cancelable: true,
keyCode: 39,
simulated: true
});
document.dispatchEvent(simulatedKeyDown);
// 模拟 keyup 事件
let simulatedKeyUp = new KeyboardEvent("keyup", {
bubbles: true,
cancelable: true,
keyCode: 39,
simulated: true
});
document.dispatchEvent(simulatedKeyUp);
down_count = 0;
return;
}
}
// 长按右键-结束
if (page_video && page_video.playbackRate !== normal_rate) {
page_video.playbackRate = normal_rate;
relativeEvent.shouldPrevent && relativeEvent.allow();
}
// 计数-重置
down_count = 0;
};
/* for youtube */
const getPageVideo_YT = () => {
console.log("Finding available Video Element...");
let pv;
if (document.getElementById("ytd-player") && checkPageVideo_YT(document.getElementById("ytd-player").player_))
pv = document.getElementById("ytd-player").player_
if (pv) {
console.log("Found the Video Element!");
return pv;
} else {
console.log("找不到正在播放的Video Element");
}
};
const checkPageVideo_YT = (v) => {
if (v) {
//return v.getPlayerState() == 1;
return v.getPlayerState() == 1 || v.getPlayerState() == 2;
} else {
return false;
}
};
const downEvent_YT = (e) => {
if (e.keyCode !== 39) return;
e.stopPropagation();
// 计数+1
down_count++;
// 长按右键-开始
if (down_count === 2) {
if (checkPageVideo_YT(page_video) || (page_video = getPageVideo_YT())) {
normal_rate = page_video.getPlaybackRate();
page_video.setPlaybackRate(normal_rate * rate_multiplication_factor);
console.log("加速播放中...");
}
}
};
const upEvent_YT = (e) => {
if (e.keyCode !== 39) return;
e.stopPropagation();
// 单击右键时
if (down_count === 1) {
if (checkPageVideo_YT(page_video) || (page_video = getPageVideo_YT())) {
//page_video.seekToStreamTime(page_video.getCurrentTime() + add_time);
//console.log("前进" + add_time + "秒");
console.log("模拟右方向键...");
// 模拟 keydown 事件
let simulatedKeyDown = new KeyboardEvent("keydown", {
bubbles: true,
cancelable: true,
keyCode: 39,
simulated: true
});
document.dispatchEvent(simulatedKeyDown);
// 模拟 keyup 事件
let simulatedKeyUp = new KeyboardEvent("keyup", {
bubbles: true,
cancelable: true,
keyCode: 39,
simulated: true
});
document.dispatchEvent(simulatedKeyUp);
down_count = 0;
return;
}
}
// 长按右键-结束
if (page_video && page_video.playbackRate !== normal_rate) {
page_video.setPlaybackRate(normal_rate);
}
// 计数-重置
down_count = 0;
};
/* initiate */
init();
})();