Kemono/Coomer-VideoPlayer

在Kemono或Coomer的post链接下添加video.js视频播放器。

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Kemono/Coomer-VideoPlayer
// @namespace    http://tampermonkey.net/
// @version      0.3.7
// @description  在Kemono或Coomer的post链接下添加video.js视频播放器。
// @description:en-US  Add video.js player under Kemono or Coomer's post links.
// @author       dsx137
// @match        https://kemono.party/*
// @match        https://kemono.su/*
// @match        https://kemono.cr/*
// @match        https://coomer.party/*
// @match        https://coomer.su/*
// @match        https://coomer.st/*
// @match        https://nekohouse.su/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        GM_addStyle
// @grant        GM_getResourceText
// @resource     video.js_css https://cdnjs.cloudflare.com/ajax/libs/video.js/8.16.1/video-js.css
// @require      https://cdnjs.cloudflare.com/ajax/libs/video.js/8.16.1/video.min.js
// @license      AGPLv3
// ==/UserScript==

const suffixes = ['.mp4', '.m4v']

function isSupportedVideoLink(link) {
    try {
        const path = new URL(link).pathname.toLowerCase();
        return suffixes.some(suffix => path.endsWith(suffix));
    } catch (error) {
        return false;
    }
}

function createPlayer(linkSrc) {
    let player = document.createElement("video");

    player.className = "video-js vjs-theme-city";
    player.style.width = "100%";
    player.style.backgroundColor = "black"
    player.setAttribute("data-setup", '{"controls":true, "autoplay":false, "preload":"auto", "height":"800px"}');
    let src = document.createElement("source");
    src.type = "video/mp4";
    src.src = linkSrc;
    player.appendChild(src);

    let volumePanelHoverCounter = 0;

    player.addEventListener('keydown', event => {
        let step = 5;
        let volumePanel = player.parentElement.querySelector('.vjs-volume-panel');

        let volumePanelAdjust = () => {
            volumePanelHoverCounter++;
            setTimeout(() => {
                volumePanelHoverCounter--;
                if (volumePanelHoverCounter <= 0) {
                    if (!volumePanel.matches(':hover')) {
                        volumePanel.classList.remove('vjs-hover');
                    }
                }
            }, 1000);
        }

        switch (event.code) {
            case 'ArrowLeft':
                player.currentTime = Math.max(0, player.currentTime - step);
                break;
            case 'ArrowRight':
                player.currentTime = Math.min(player.duration, player.currentTime + step);
                break;
            case 'Space':
                player.paused ? player.play() : player.pause();
                break;
            case 'ArrowUp':
                if (player.muted) {
                    player.volume = 0
                    player.muted = false;
                }
                player.volume = Math.min(1, player.volume + 0.1);
                volumePanel.classList.add('vjs-hover');
                volumePanelAdjust();
                break;
            case 'ArrowDown':
                if (player.muted) {
                    break;
                }
                player.volume = Math.max(0, player.volume - 0.1);
                volumePanel.classList.add('vjs-hover');
                volumePanelAdjust();
                break;
            case 'KeyM':
                player.muted = !player.muted;
                break;
            case 'KeyF':
                if (document.fullscreenElement) {
                    document.exitFullscreen();
                } else {
                    player.requestFullscreen();
                }
                break;
            default:
                return;
        }

        event.stopPropagation();
        event.preventDefault();
    });

    return player
}

function attachPlayer() {
    let links = Array.from(document.querySelectorAll(".post__attachment-link, .scrape__attachment-link")).filter(it => !it.classList.contains('has-player'));
    if (links.length == 0) return false;
    for (let i in links) {
        let linkSrc = links[i].href;
        if (!isSupportedVideoLink(linkSrc)) break;
        links[i].classList.add('has-player');
        let player = createPlayer(linkSrc)
        links[i].parentElement.appendChild(player);
        videojs(player)

        let observer = new MutationObserver(mutations => {
            mutations.forEach(mutation => {
                if (!mutation.target) {
                    return;
                }

                let newLinkSrc = mutation.target.getAttribute("href");
                if (!isSupportedVideoLink(newLinkSrc)) {
                    videojs(player).dispose();
                    links[i].classList.remove('has-player');
                    return;
                }

                player.src = newLinkSrc;
                videojs(player)
            });
        });
        observer.observe(links[i], { attributes: true, attributeFilter: ['href'] });
    }
    return true;
}

(function () {
    'use strict';
    GM_addStyle(GM_getResourceText("video.js_css"));

    attachPlayer();

    let observer = new MutationObserver(mutations => {
        attachPlayer();
    });
    observer.observe(document.body, { childList: true, subtree: true })
})();