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Press and hold the right arrow key (→) to alter the video playback speed or simulate the original key function based on the length of the press.
// ==UserScript==
// @name 黄金右键2
// @description Press and hold the right arrow key (→) to alter the video playback speed or simulate the original key function based on the length of the press.
// @namespace http://tampermonkey.net/
// @version 1
// @author edr1412
// @include http://*
// @include https://*
// @grant none
// ==/UserScript==
(function () {
"use strict";
let keyDownTime = 0;
let timeoutId = null;
let originalRate = 1;
const rateMultiplicationFactor = 2;
const threshold = 100; // Press duration threshold for distinguishing between short and long press
let page_video;
// Utility function to convert a NodeList to an Array
function makeArray(arr) {
return Array.prototype.slice.call(arr);
}
const init = () => {
if (location.origin.indexOf("youtube.com") > -1) {
// Special handling for YouTube
document.body.addEventListener("keydown", handleKeyDown_YT, true);
document.body.parentElement.addEventListener("keyup", handleKeyUp_YT, true);
} else {
document.addEventListener('keydown', handleKeyDown);
document.addEventListener('keyup', handleKeyUp);
}
};
// Handle keydown for general video elements
function handleKeyDown(e) {
if (e.keyCode !== 39) return;
if (e.simulated) {
console.log("Simulated event ignored...");
return;
}
e.stopPropagation();
if (keyDownTime === 0) {
keyDownTime = Date.now();
timeoutId = setTimeout(() => {
if (Date.now() - keyDownTime >= threshold) {
increaseSpeed();
}
}, threshold);
}
}
// Handle keyup for general video elements
function handleKeyUp(e) {
if (e.keyCode !== 39) return;
e.stopPropagation();
clearTimeout(timeoutId);
let duration = Date.now() - keyDownTime;
keyDownTime = 0;
if (duration < threshold) {
simulateOriginalFunction();
} else {
restoreSpeed();
}
}
function increaseSpeed() {
if (checkPageVideo(page_video) || (page_video = getPageVideo())) {
relativeEvent.shouldPrevent && relativeEvent.prevent();
originalRate = page_video.playbackRate;
page_video.playbackRate = originalRate * rateMultiplicationFactor;
console.log("加速播放中...");
}
}
function restoreSpeed() {
if (page_video && page_video.playbackRate !== originalRate) {
page_video.playbackRate = originalRate;
relativeEvent.shouldPrevent && relativeEvent.allow();
}
}
function simulateOriginalFunction() {
// Simulate keydown event
let simulatedKeyDown = new KeyboardEvent("keydown", {
bubbles: true,
cancelable: true,
keyCode: 39,
simulated: true
});
document.dispatchEvent(simulatedKeyDown);
// Simulate keyup event
let simulatedKeyUp = new KeyboardEvent("keyup", {
bubbles: true,
cancelable: true,
keyCode: 39,
simulated: true
});
document.dispatchEvent(simulatedKeyUp);
}
/* 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 && !v.paused;
} 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
);
},
};
/* 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;
} else {
return false;
}
};
// Handle keydown for general video elements
function handleKeyDown_YT(e) {
if (e.keyCode !== 39) return;
if (e.simulated) {
console.log("Simulated event ignored...");
return;
}
e.stopPropagation();
if (keyDownTime === 0) {
keyDownTime = Date.now();
timeoutId = setTimeout(() => {
if (Date.now() - keyDownTime >= threshold) {
increaseSpeed_YT();
}
}, threshold);
}
}
// Handle keyup for general video elements
function handleKeyUp_YT(e) {
if (e.keyCode !== 39) return;
e.stopPropagation();
clearTimeout(timeoutId);
let duration = Date.now() - keyDownTime;
keyDownTime = 0;
if (duration < threshold) {
simulateOriginalFunction();
} else {
restoreSpeed_YT();
}
}
function increaseSpeed_YT() {
if (checkPageVideo_YT(page_video) || (page_video = getPageVideo_YT())) {
originalRate = page_video.getPlaybackRate();
page_video.setPlaybackRate(originalRate * rateMultiplicationFactor);
console.log("加速播放中...");
}
}
function restoreSpeed_YT() {
if (page_video && page_video.playbackRate !== originalRate) {
page_video.setPlaybackRate(originalRate);
}
}
// Initialization
init();
})();