Video AB Repeater

動画のAPリピート機能 ZenzaWatch用

当前为 2018-01-11 提交的版本,查看 最新版本

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        Video AB Repeater
// @namespace   https://github.com/segabito/
// @description 動画のAPリピート機能 ZenzaWatch用
// @match       *://www.nicovideo.jp/*
// @match       *://ext.nicovideo.jp/
// @match       *://ext.nicovideo.jp/#*
// @match       *://ch.nicovideo.jp/*
// @match       *://com.nicovideo.jp/*
// @match       *://commons.nicovideo.jp/*
// @match       *://dic.nicovideo.jp/*
// @exclude     *://ads*.nicovideo.jp/*
// @exclude     *://www.upload.nicovideo.jp/*
// @exclude     *://www.nicovideo.jp/watch/*?edit=*
// @exclude     *://ch.nicovideo.jp/tool/*
// @exclude     *://flapi.nicovideo.jp/*
// @exclude     *://dic.nicovideo.jp/p/*
// @include     *://www.youtube.com/*
// @version     0.0.1
// @grant       none
// @author      segabito macmoto
// @license     public domain
// @noframes
// @require        https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.js
// @require        https://cdnjs.cloudflare.com/ajax/libs/fetch/2.0.1/fetch.js
// ==/UserScript==



(() => {
  const PRODUCT = 'Repeater';
  const monkey = function(PRODUCT) {
    const console = window.console;
    let ZenzaWatch = null;
    console.log(`exec ${PRODUCT}..`);

    const CONSTANT = {
      BASE_Z_INDEX: 150000
    };
    const product = {debug: {_const: CONSTANT}};
    window[PRODUCT] = product;

    const {util, Emitter} = (function() {
      const util = {};
      class Emitter {

        on(name, callback) {
          if (!this._events) { this._events = {}; }
          name = name.toLowerCase();
          if (!this._events[name]) {
            this._events[name] = [];
          }
          this._events[name].push(callback);
        }

        clear(name) {
          if (!this._events) { this._events = {}; }
          if (name) {
            this._events[name] = [];
          } else {
            this._events = {};
          }
        }

        emit(name) {
          if (!this._events) { this._events = {}; }
          name = name.toLowerCase();
          if (!this._events.hasOwnProperty(name)) { return; }
          const e = this._events[name];
          const arg = Array.prototype.slice.call(arguments, 1);
          for (let i =0, len = e.length; i < len; i++) {
            e[i].apply(null, arg);
          }
        }

        emitAsync(...args) {
          window.setTimeout(() => {
            this.emit(...args);
          }, 0);
        }
      }

      util.emitter = new Emitter();

      return {util, Emitter};
    })(PRODUCT);
    product.util = util;


    const ZenzaDetector = (function() {
      let isReady = false;
      const emitter = new Emitter();

      const onZenzaReady = () => {
        isReady = true;
        ZenzaWatch = window.ZenzaWatch;

        emitter.emit('ready', window.ZenzaWatch);
      };

      if (window.ZenzaWatch && window.ZenzaWatch.ready) {
        window.console.log('ZenzaWatch is Ready');
        isReady = true;
      } else {
        document.body.addEventListener('ZenzaWatchInitialize', () => {
          window.console.log('ZenzaWatchInitialize');
          onZenzaReady();
        });
      }

      const detect = function() {
        return new Promise(res => {
          if (isReady) {
            return res(window.ZenzaWatch);
          }
          emitter.on('ready', () => {
            res(window.ZenzaWatch);
          });
        });
      };

      return {detect};
    })();


    class Repeater extends Emitter {
      constructor(params) {
        super();
        this._timer = null;
        this._currentTime = params.currentTime;
        this._notifier = params.notifier;
      }

      setA() {
        this._a = this.currentTime;
        if (this._b < this._a) {
          this._b = this._currentTime.duration();
        }
         this.notify('set "["');
        this.enable();
      }

      setB() {
        this._b = this.currentTime;
        if (this._b < this._a || this._a < 0) {
          this._a = Math.max(this._b - 5, 0);
        }
        this.notify('set "]"');
        this.enable();
      }

      resetA() {
        this._a = -1;
        this.notify('reset "["');
      }

      resetB() {
        this._b = -1;
        this.notify('reset "]"');
      }

      jumpToA() {
        this.currentTime = Math.max(this._a, 0);
      }

      _reset() {
        this._a = -1;
        this._b = -1;
      }

      get currentTime() {
        return this._currentTime.get();
      }

      set currentTime(v) {
        this._currentTime.set(v);
      }

      notify(msg) {
        this._notifier.notify(msg);
      }

      enable() {
        if (this._timer) { return; }
        console.info('start timer', this._timer, this._rate);
        this._timer = setInterval(this._onTimer.bind(this), 100);
      }

      disable() {
        clearInterval(this._timer);
        this._reset();
        this._timer = null;
      }

      onVideoChange() {
        this._reset();
      }

      _onTimer() {
        if (this._b < 0) { return; }
        if (this.currentTime > this._b) {
          this.currentTime = Math.max(this._a, 0);
        }
      }

    }

    const KeyEmitter = (() => {
      const emitter = new Emitter();

      const onKeyDown = e => {
        if (e.target.tagName === 'SELECT' ||
            e.target.tagName === 'INPUT' ||
            e.target.tagName === 'TEXTAREA') {
          return;
        }

        let keyCode = e.keyCode +
          (e.metaKey  ? 0x1000000 : 0) +
          (e.altKey   ? 0x100000  : 0) +
          (e.ctrlKey  ? 0x10000   : 0) +
          (e.shiftKey ? 0x1000    : 0);
        emitter.emit('keydown', keyCode);
      };

      const onKeyUp = e => {
        if (e.target.tagName === 'SELECT' ||
            e.target.tagName === 'INPUT' ||
            e.target.tagName === 'TEXTAREA') {
          return;
        }

        let keyCode = e.keyCode +
          (e.metaKey  ? 0x1000000 : 0) +
          (e.altKey   ? 0x100000  : 0) +
          (e.ctrlKey  ? 0x10000   : 0) +
          (e.shiftKey ? 0x1000    : 0);
        switch (keyCode) {
        }
        emitter.emit('keyup', keyCode);
      };

      let initialize = () => {
        initialize = () => {};
        document.body.addEventListener('keydown', onKeyDown);
        document.body.addEventListener('keyup', onKeyUp);
      };

      return {
        on: (...args) => { emitter.on(...args); },
        off: (...args) => { emitter.off(...args); },
        initialize
      };
    })();


    const initExternal = (repeater) => {
      product.external = {
        repeater
      };

      product.isReady = true;
      const ev = new CustomEvent(`${PRODUCT}Initialized`, { detail: { product } });
      document.body.dispatchEvent(ev);
    };

    const initKey = repeater => {
      KeyEmitter.initialize();

      KeyEmitter.on('keydown', code => {
        switch (code) {
          case 219: // [
            repeater.setA();
            break;
          case 221: // ]
            repeater.setB();
            break;
          case 219 + 0x1000:
            repeater.jumpToA();
            break;
          case 221 + 0x1000:
            repeater.resetB();
            break;
        }
      });
    };

    const initNico = () => {
      let repeater;
      ZenzaDetector.detect().then(() => {
        const ZenzaWatch = window.ZenzaWatch;
        const currentTime = {
          get: () => {
            return ZenzaWatch.external.getVideoElement().currentTime;
          },
          set: (v) => {
            ZenzaWatch.external.getVideoElement().currentTime = v;
          },
          duration: () => {
            return ZenzaWatch.external.getVideoElement().duration;
          }
        };
        const notifier = {
          notify: msg => {
            ZenzaWatch.external.execCommand('notify', msg);
          }
        };

        let dialog;
        ZenzaWatch.emitter.on('DialogPlayerOpen', () => {
          if (!dialog) {
            dialog = ZenzaWatch.debug.dialog;
            dialog.on('loadVideoInfo', () => {
              repeater.onVideoChange();
            });
          }
        });

        ZenzaWatch.emitter.on('DialogPlayerClose', () => {
          repeater.disable();
        });

        repeater = new Repeater({currentTime, notifier});
        initKey(repeater);
        initExternal(repeater);
      });
    };

    const initTube = () => {
      let video = document.querySelector('video.html5-main-video');
      const getVideoElement = () => {
        if (!video) {
          video = document.querySelector('video.html5-main-video');
        }
        return video;
      };
      const currentTime = {
        get: () => {
          return getVideoElement().currentTime;
        },
        set: (v) => {
          getVideoElement().currentTime = v;
        },
        duration: () => {
          return getVideoElement().duration;
        }
      };

      const notifier = {
        notify: msg => {
          console.log('%c%s', 'background: lightgreen;', msg);
        }
      };
      let lastPath = location.pathname + location.search;

      let repeater = new Repeater({currentTime, notifier});
      initKey(repeater);

      const onUpdatePage = () => {
        if (lastPath !== location.pathname + location.search) {
          lastPath = location.pathname + location.search;

          repeater.onVideoChange();
        }
      };

      window.setInterval(onUpdatePage, 1000);
    };

    if (location.host.match(/^[a-z0-9_-]+\.nicovideo\.jp$/)) {
      initNico();
    } else if (location.host.match(/youtube\.com$/)) {
      initTube();
    }
  };

  (() => {
    const script = document.createElement('script');
    script.id = `${PRODUCT}Loader`;
    script.setAttribute('type', 'text/javascript');
    script.setAttribute('charset', 'UTF-8');
    script.appendChild(document.createTextNode(
      `(${monkey})("${PRODUCT}");`
    ));
    document.body.appendChild(script);
  })();

})();