AnimeGo Prev Next player

Prev, Next button for player on animego.org

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         AnimeGo Prev Next player
// @name:ru      AnimeGo След. Пред. кнопки для проигрывателя
// @namespace    http://tampermonkey.net/
// @version      0.5.3
// @description  Prev, Next button for player on animego.org
// @description:ru  След., Пред. кнопки для проигрывателя на animego.org.
// @author       You
// @match        https://animego.me/**
// @icon         https://www.google.com/s2/favicons?sz=64&domain=animego.org
// @grant        none
// @license      MIT
// ==/UserScript==

const VIDEO_SELECTOR = ".video-player-main";
const SERIES_SELECTOR = "select[name='series']";

const $ = selector => document.querySelector(selector);

const seriesElem = $(SERIES_SELECTOR);
const posterImg = $(".anime-poster img");
const fullScreenButton = {
  width: 150,
  height: 80,
  offset: 5
};

function inRange(x, min, max) {
  return (x - min) * (x - max) <= 0;
}

function waitForElm(selector) {
  return new Promise(resolve => {
    if ($(selector)) {
      return resolve($(selector));
    }

    const observer = new MutationObserver(mutations => {
      if ($(selector)) {
        resolve($(selector));
        observer.disconnect();
      }
    });

    observer.observe(document, {
      attributeFilter: ["aria-hidden", "data-focus-method"],
      childList: true,
      subtree: true
    });
  });
}

const appendFixStyle = player => {
  const tStyle = document.querySelector("style");
  tStyle.innerHTML = `
    #video-carousel {
      display: flex !important;
    }
    .tns-liveregion.tns-visually-hidden {
      display: none;
    }
    .video-player .owl-nav, .video-player .tns-controls {
      background: #383838;
      z-index: 9;
    }
    .video-player-online.position-relative iframe::backdrop {
      position: absolute;
      left: 0;
      top: 0;
      width: 0;
      height: 0;
    }
  `;
  player.appendChild(tStyle);
};

const changeSeries = series => {
  $('.video-player-bar-series-list [data-id="' + series + '"]').click();
};

const getOptionInfo = option => {
  if (!option) return undefined;
  return {
    value: option.value,
    text: `<span>${option.textContent}</span>`
  };
};

const getPrevNextSeries = seriesElem => {
  const selected = seriesElem.value;
  const options = Array.from(seriesElem.querySelectorAll("option"));
  const values = options.map(option => option.value);
  const selectedIndex = values.indexOf(selected);
  const prev = getOptionInfo(options[selectedIndex - 1]) || undefined;
  const next = getOptionInfo(options[selectedIndex + 1]) || undefined;
  return { prev, next };
};

const elementExist = element =>
  typeof element != "undefined" && element != null;

const removeElement = element => {
  if (elementExist(element)) {
    element.parentNode.removeChild(element);
  }
};

class Default {
  constructor({ seriesElem, player }) {
    this.seriesElem = seriesElem;
    this.player = player;
    this.updButtons = this.updButtons.bind(this);
    this.getPrevButton = this.getPrevButton.bind(this);
    this.getNextButton = this.getNextButton.bind(this);
    this.appendStyle = this.appendStyle.bind(this);
    this.switchToPrev = this.switchToPrev.bind(this);
    this.switchToNext = this.switchToNext.bind(this);
    this.createContainer = this.createContainer.bind(this);
    this.handleFullScreenButtons = this.handleOnMessages.bind(this);
    this.handleSelectChange = this.handleSelectChange.bind(this);
    this.addListeners = this.addListeners.bind(this);

    this.createContainer();
    this.handleOnMessages();
    this.handleSelectChange();
    this.addListeners();
  }

  addListeners() {
    document.addEventListener('keypress', (evt) => {
      const nextKeys = ['n', 'N', 'т', 'T']
      if (nextKeys.includes(evt.key)) {
        this.switchToNext();
      }
      const prevKeys = ['p', 'P', 'з', 'З']
      if (prevKeys.includes(evt.key)) {
        this.switchToPrev();
      }
    })
  }

  switchToPrev() {
    const { prev } = getPrevNextSeries(this.seriesElem);
    changeSeries(prev.value);
    this.updButtons();
  }

  switchToNext() {
    const { next } = getPrevNextSeries(this.seriesElem);
    changeSeries(next.value);
    this.updButtons();
  }

  updButtons() {
    const { prev, next } = getPrevNextSeries(this.seriesElem);
    const container = $(".pn-container");
    const prevElem = container.querySelector(".pn-prev");
    const nextElem = container.querySelector(".pn-next");
    if (prev) {
      if (!elementExist(prevElem)) {
        const prevElemNew = this.getPrevButton();
        container.appendChild(prevElemNew);
      } else {
        prevElem.innerHTML = prev.text;
      }
    } else {
      removeElement(prevElem);
    }
    if (next) {
      if (!elementExist(nextElem)) {
        const nextElemNew = this.getNextButton();
        container.appendChild(nextElemNew);
      } else {
        nextElem.innerHTML = next.text;
      }
    } else {
      removeElement(nextElem);
    }
  }

  getPrevButton() {
    const { prev } = getPrevNextSeries(this.seriesElem);
    if (prev) {
      const prevElem = document.createElement("button");
      const posterImgSrc = posterImg.src;
      prevElem.style.backgroundImage = `url(${posterImgSrc})`;
      prevElem.innerHTML = prev.text;
      prevElem.classList.add("pn-button");
      prevElem.classList.add("pn-prev");
      prevElem.addEventListener("click", () => {
        this.switchToPrev();
      });
      return prevElem;
    }
    return undefined;
  }

  getNextButton() {
    const { next } = getPrevNextSeries(this.seriesElem);
    if (next) {
      const nextElem = document.createElement("button");
      const posterImgSrc = posterImg.src;
      nextElem.style.backgroundImage = `url(${posterImgSrc})`;
      nextElem.innerHTML = next.text;
      nextElem.classList.add("pn-button");
      nextElem.classList.add("pn-next");
      nextElem.addEventListener("click", () => {
        this.switchToNext();
      });
      return nextElem;
    }
    return undefined;
  }

  appendStyle() {
    const tStyle = document.querySelector("style");
    tStyle.innerHTML = `
      .pn-button {
        position: absolute;
        top: calc(50%);
        outline: unset;
        border: 2px solid #fff;
        color: #fff;
        font-size: 16px;
        cursor: pointer;
        padding: 10px 20px;
        min-width: 150px;
        min-height: 60px;
        background: rgba(0, 0, 0, 0.2);
        border-radius: 3px;
        transition: all 0.3s;
        z-index: 10;
        box-shadow: rgb(255 255 255 / 0%) 0px 0px 10px;
        opacity: 0.1;

        background-position: center;
        background-size: cover;
        perspective: 1000px;
        perspective-origin: 50% 50%;
        transform: translate(0, -50%);

        display: flex;
        flex-direction: column;
        align-content: center;
        justify-content: center;
        align-items: center;

        & > span {
          margin-top: 4px;
          background: rgba(0, 0, 0, 0.8);
          padding: 2px 10px;
          border-radius: 3px;
        }

        &:after {
          display: flex;
          border: 1px solid white;
          border-radius: 3px;
          width: 32px;
          box-shadow: 0px 8px 12px #000;
          margin-top: 4px;
          text-shadow: 2px 2px rgba(0, 0, 0, 0.2);
          background: rgba(0, 0, 0, 0.8);
          align-content: center;
          justify-content: center;
        }
      }

      .pn-button:hover {
        opacity: 1;
        box-shadow: rgb(255 255 255 / 50%) 0px 0px 10px;

        &:after {
          animation: scale 1s linear infinite;
        }
      }

      .pn-button:hover,.pn-button:focus {
        outline: unset;
      }

      .pn-prev {
        left: 5px;

        &:after{
          content: "P";
        }
      }

      .pn-prev:hover {
        animation: scroll-to-bottom 100s linear infinite;
      }

      .pn-next {
        right: 5px;

        &:after{
          content: "N";
        }
      }

      .pn-next:hover {
        animation: scroll-to-top 100s linear infinite;
      }

      @keyframes scroll-to-top {
        100%{
          background-position: 0px -3000px;
        }
      }

      @keyframes scroll-to-bottom {
        100%{
          background-position: 0px 3000px;
        }
      }

      @keyframes scale {
        0% {
         scale: 1
        }
        100%{
         scale: 0.95
        }
      }
    `;
    this.player.appendChild(tStyle);
  }

  createContainer() {
    const pnContainer = document.createElement("DIV");
    pnContainer.classList.add("pn-container");
    const prev = this.getPrevButton();
    if (prev) pnContainer.appendChild(prev);
    const next = this.getNextButton();
    if (next) pnContainer.appendChild(next);
    this.appendStyle();
    this.player.insertBefore(pnContainer, this.player.firstChild);
  }

  handleOnMessages() {
    window.onmessage = event => {
      if (document.fullscreenElement) {
        if (event.data.title === "click") {
          const { height, width } = window.screen;
          const { clientX, clientY } = event.data.data;
          const targetCoords = {
            y: [
              height / 2 - fullScreenButton.height / 2,
              height / 2 + fullScreenButton.height / 2
            ],
            prevX: [0, fullScreenButton.width + fullScreenButton.offset],
            nextX: [
              width - (fullScreenButton.width + fullScreenButton.offset),
              width
            ]
          };
          const isPrevButton =
            inRange(clientX, targetCoords.prevX[0], targetCoords.prevX[1]) &&
            inRange(clientY, targetCoords.y[0], targetCoords.y[1]);
          const isNextButton =
            inRange(clientX, targetCoords.nextX[0], targetCoords.nextX[1]) &&
            inRange(clientY, targetCoords.y[0], targetCoords.y[1]);
          if (isPrevButton) {
            this.switchToPrev();
          }
          if (isNextButton) {
            this.switchToNext();
          }
        }
      }

      if (event.data.title === "keydown") {
        console.log(event);
      }
    };
  }

  handleSelectChange() {
    // This code looks like a HACK
    // Default select change does'nt work correctly
    // This code now work correctly!
    var element = document.querySelector(".video-player-bar-series-watch");
    var observer = new MutationObserver(mutations => {
      mutations.forEach(mutation => {
        if (mutation.attributeName === "data-watched-id") {
          setTimeout(() => {
            this.updButtons();
          }, 100);
        }
      });
    });

    observer.observe(element, { attributes: true });
  }
}

waitForElm(VIDEO_SELECTOR).then(player => {
  waitForElm(SERIES_SELECTOR).then(seriesElem => {
    waitForElm(".video-player-main iframe").then(() => {
      new Default({ seriesElem, player });
      appendFixStyle(document.body);
    });
  });
});