elm-twitch/js/vd.js

window.HELP_IMPROVE_VIDEOJS = false;(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?module.exports=factory(require("global/window"),require("global/document")):typeof define==="function"&&define.amd?define(["global/window","global/document"],factory):(global=global||self,global.videojs=factory(global.window,global.document))})(this,function(window$1,document){window$1=window$1&&window$1.hasOwnProperty("default")?window$1["default"]:window$1;document=document&&document.hasOwnProperty("default")?document["default"]:document;var version="7.6.6";var history=[];var LogByTypeFactory=function LogByTypeFactory(name,log){return function(type,level,args){var lvl=log.levels[level];var lvlRegExp=new RegExp("^("+lvl+")$");if(type!=="log"){args.unshift(type.toUpperCase()+":")}args.unshift(name+":");if(history){history.push([].concat(args))}if(!window$1.console){return}var fn=window$1.console[type];if(!fn&&type==="debug"){fn=window$1.console.info||window$1.console.log}if(!fn||!lvl||!lvlRegExp.test(type)){return}fn[Array.isArray(args)?"apply":"call"](window$1.console,args)}};function createLogger(name){var level="info";var logByType;var log=function log(){for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++){args[_key]=arguments[_key]}logByType("log",level,args)};logByType=LogByTypeFactory(name,log);log.createLogger=function(subname){return createLogger(name+": "+subname)};log.levels={all:"debug|log|warn|error",off:"",debug:"debug|log|warn|error",info:"log|warn|error",warn:"warn|error",error:"error",DEFAULT:level};log.level=function(lvl){if(typeof lvl==="string"){if(!log.levels.hasOwnProperty(lvl)){throw new Error('"'+lvl+'" in not a valid log level')}level=lvl}return level};log.history=function(){return history?[].concat(history):[]};log.history.filter=function(fname){return(history||[]).filter(function(historyItem){return new RegExp(".*"+fname+".*").test(historyItem[0])})};log.history.clear=function(){if(history){history.length=0}};log.history.disable=function(){if(history!==null){history.length=0;history=null}};log.history.enable=function(){if(history===null){history=[]}};log.error=function(){for(var _len2=arguments.length,args=new Array(_len2),_key2=0;_key2<_len2;_key2++){args[_key2]=arguments[_key2]}return logByType("error",level,args)};log.warn=function(){for(var _len3=arguments.length,args=new Array(_len3),_key3=0;_key3<_len3;_key3++){args[_key3]=arguments[_key3]}return logByType("warn",level,args)};log.debug=function(){for(var _len4=arguments.length,args=new Array(_len4),_key4=0;_key4<_len4;_key4++){args[_key4]=arguments[_key4]}return logByType("debug",level,args)};return log}var log=createLogger("VIDEOJS");var createLogger$1=log.createLogger;var toString=Object.prototype.toString;var keys=function keys(object){return isObject(object)?Object.keys(object):[]};function each(object,fn){keys(object).forEach(function(key){return fn(object[key],key)})}function reduce(object,fn,initial){if(initial===void 0){initial=0}return keys(object).reduce(function(accum,key){return fn(accum,object[key],key)},initial)}function assign(target){for(var _len=arguments.length,sources=new Array(_len>1?_len-1:0),_key=1;_key<_len;_key++){sources[_key-1]=arguments[_key]}if(Object.assign){return Object.assign.apply(Object,[target].concat(sources))}sources.forEach(function(source){if(!source){return}each(source,function(value,key){target[key]=value})});return target}function isObject(value){return!!value&&typeof value==="object"}function isPlain(value){return isObject(value)&&toString.call(value)==="[object Object]"&&value.constructor===Object}function computedStyle(el,prop){if(!el||!prop){return""}if(typeof window$1.getComputedStyle==="function"){var computedStyleValue=window$1.getComputedStyle(el);return computedStyleValue?computedStyleValue.getPropertyValue(prop)||computedStyleValue[prop]:""}return""}function isNonBlankString(str){return typeof str==="string"&&/\S/.test(str)}function throwIfWhitespace(str){if(/\s/.test(str)){throw new Error("class has illegal whitespace characters")}}function classReg
const vd = (function() {

    let vd = {};

function createEl(tagName = 'div', properties = {}, attributes = {}, content) {
    const el = document.createElement(tagName);

    Object.getOwnPropertyNames(properties).forEach(function(propName) {
        const val = properties[propName];

        // See #2176
        // We originally were accepting both properties and attributes in the
        // same object, but that doesn't work so well.
        if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
            log.warn(tsml`Setting attributes in the second argument of createEl()
                has been deprecated. Use the third argument instead.
                createEl(type, properties, attributes). Attempting to set ${propName} to ${val}.`);
            el.setAttribute(propName, val);

            // Handle textContent since it's not supported everywhere and we have a
            // method for it.
        } else if (propName === 'textContent') {
            textContent(el, val);
        } else {
            el[propName] = val;
        }
    });

    return el;
}

function findPosition(el) {
    let box;

    if (el.getBoundingClientRect && el.parentNode) {
        box = el.getBoundingClientRect();
    }

    if (!box) {
        return {
            left: 0,
            top: 0
        };
    }

    const docEl = document.documentElement;
    const body = document.body;

    const clientLeft = docEl.clientLeft || body.clientLeft || 0;
    const scrollLeft = window.pageXOffset || body.scrollLeft;
    const left = box.left + scrollLeft - clientLeft;

    const clientTop = docEl.clientTop || body.clientTop || 0;
    const scrollTop = window.pageYOffset || body.scrollTop;
    const top = box.top + scrollTop - clientTop;

    // Android sometimes returns slightly off decimal values, so need to round
    return {
        left: Math.round(left),
        top: Math.round(top)
    };
}

function getBoundingClientRect(el) {
    if (el && el.getBoundingClientRect && el.parentNode) {
        const rect = el.getBoundingClientRect();
        const result = {};

        ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(k => {
            if (rect[k] !== undefined) {
                result[k] = rect[k];
            }
        });

        if (!result.height) {
            result.height = parseFloat(computedStyle(el, 'height'));
        }

        if (!result.width) {
            result.width = parseFloat(computedStyle(el, 'width'));
        }

        return result;
    }
}

function getPointerPosition(el, event) {
    const position = {};
    const box = findPosition(el);
    const boxW = el.offsetWidth;
    const boxH = el.offsetHeight;

    const boxY = box.top;
    const boxX = box.left;
    let pageY = event.pageY;
    let pageX = event.pageX;

    if (event.changedTouches) {
        pageX = event.changedTouches[0].pageX;
        pageY = event.changedTouches[0].pageY;
    }

    position.y = Math.max(0, Math.min(1, ((boxY - pageY) + boxH) / boxH));
    position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));

    return position;
}

let vjs = {};
vjs.Component = videojs.getComponent('Component');
vjs.Menu = videojs.getComponent('Menu');
vjs.MenuButton = videojs.getComponent('MenuButton');
vjs.MenuItem = videojs.getComponent('MenuItem');

class MenuButton extends vjs.MenuButton {

    constructor(player, options) {
        super(player, options);
        this.updateLabel(options === undefined ? "" : options.label || "");
    }

    createEl() {
        const el = super.createEl();

        this.labelEl_ = createEl('div', {
            className: 'vjs-playback-rate-value',
            innerHTML: 'auto'
        });

        el.appendChild(this.labelEl_);

        return el;
    }

    dispose() {
        this.labelEl_ = null;
        super.dispose();
    }

    buildCSSClass() {
        return `vjs-playback-rate ${super.buildCSSClass()}`;
    }

    buildWrapperCSSClass() {
        return `vjs-playback-rate ${super.buildWrapperCSSClass()}`;
    }

    createMenu() {
        const menu = new vjs.Menu(this.player());
        return menu;
    }

    updateARIAAttributes() {
        this.el().setAttribute('aria-valuenow', this.labelEl_.innerHTML);
    }

    updateLabel(newLabel) {
        this.labelEl_.innerHTML = newLabel;
    }

}

class ResolutionItem extends vjs.MenuItem {
    constructor() {
        super(...arguments);
        this.representation = arguments[1].representation;
        this.menuButton = arguments[1].menuButton;
        this.label = arguments[1].label;
    }

    handleClick() {
        if (this.representation === undefined) {
            // Clicked on the auto button
            this.player().tech({IWillNotUseThisInPlugins: true}).hls.representations().forEach(function(rep) {
                rep.enabled(true);
            });

        } else {
            // Clicked on another button
            let self = this;
            this.player().tech({IWillNotUseThisInPlugins: true}).hls.representations().forEach(function(rep) {
                rep.enabled(rep.height === self.options_.representation.height);
            });
        }
        this.menuButton.updateLabel(this.label);
    }
}

class SpeedItem extends vjs.MenuItem {
    constructor() {
        super(...arguments);
        this.label = arguments[1].label;
        this.speed = arguments[1].speed;
    }

    handleClick() {
        this.player().playbackRate(this.speed);
        this.menuButton.updateLabel(this.label);
    }
}

class Thumbnail extends vjs.Component {
    constructor() {
        super(...arguments);
        this.thumbnails = arguments[1].thumbnails;
        this.width = arguments[1].width;
        this.height = arguments[1].height;
    }

    createEl() {
        let el = super.createEl('img', {
            src: this.options_.thumbnails[0],
            width: '0px',
        });

        el.style.position = 'absolute';
        el.style.left = '0px';
        el.style.top = -this.options_.height + "px";
        el.style.border = "solid";
        el.style.borderColor = "black";
        el.style.borderWidth = "1px";

        return el;
    }

    update(ratio) {
        this.el().src = this.options_.thumbnails[Math.round(100 * ratio)];
    }
}

function createRepresentationButtons(player, menuButton = undefined) {
    if (menuButton === undefined) {
        menuButton = new MenuButton(player);
        menuButton.updateLabel("auto");
    }

    let hls = player.tech({IWillNotUseThisInPlugins: true}).hls;

    if (hls === undefined) {
        setTimeout(() => createRepresentationButtons(player, menuButton), 500);
        return menuButton;
    }

    let representations = hls.representations();
    representations.sort((a, b) => b.height - a.height);

    menuButton.menu.items = [];
    menuButton.menu.addAndRecordItem = function(item) {
        this.addItem(item);
        this.items.push(item);
    }

    menuButton.menu.addAndRecordItem(new ResolutionItem(player, { label: "auto", menuButton }));
    for (let representation of representations) {
        menuButton.menu.addAndRecordItem(new ResolutionItem(player, {
            label: representation.height + "p",
            representation,
            menuButton
        }));
    }

    return menuButton;
}

function createSpeedButtons(player) {
    let menuButton = new MenuButton(player);

    let speeds = [0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2];
    menuButton.updateLabel('x1');
    menuButton.menu.items = [];
    menuButton.menu.addAndRecordItem = function(item) {
        this.addItem(item);
        this.items.push(item);
    }

    for (let speed of speeds) {
        menuButton.menu.addAndRecordItem(new SpeedItem(player, {
            label: "x" + speed,
            menuButton,
            speed,
        }));
    }

    return menuButton;
}

vd.parseTime = function(t) {
    let parsed = 1 * t;

    if (!isNaN(parsed)) {
        return parsed;
    }

    // Compute the split
    let split = t.split("h");

    let hours;
    let minutes;
    let seconds;

    switch (split.length) {
        case 1:
            hours = 0;
            split = split[0].split("m");
            break;
        case 2:
            hours = 1 * split[0];
            if (isNaN(hours)) {
                return NaN;
            }
            split = split[1].split("m");
            break;
        default:
            return NaN;
    }

    switch (split.length) {
        case 1:
            minutes = 0;
            split = split[0].split("s");
            break;
        case 2:
            minutes = 1 * split[0];
            if (isNaN(minutes)) {
                return NaN;
            }
            split = split[1].split("s");
            break;
        default:
            return NaN;
    }

    seconds = 1 * split[0];
    if ((split.length !== 1 && (! (split.length == 2 && split[1] === ""))) || isNaN(seconds)) {
        return NaN;
    }

    return 3600 * hours + 60 * minutes + seconds;
}

vd.setup = function(video, args) {

    let src;

    if (typeof video === 'string' || video instanceof String) {
        video = document.getElementById(video);
    }

    if (video === undefined) {
        throw new Error("video element or ID invalid");
    }

    if (typeof args === "string" || args instanceof String) {
        src = args;
    }

    if (typeof args === "object") {
        src = args.v;
    }

    if (src === undefined) {
        throw new Error("video src is undefined");
    }

    let player = videojs(video);
    player.src({
        src,
        type: 'application/dash+xml'
    });

    if (args.focus === true) {
        player.focus();
    }

    player._oldRequestFullscreen = player.requestFullscreen;
    player.requestFullscreen = function() {
        var player = document.getElementById(this.id());
        if (player === null) {
            return;
        }
        player = typeof player.player === "function" ? player.player() : player.player;
        player._oldRequestFullscreen(...arguments);
        setTimeout(() => {
            if (screen.orientation) {
                screen.orientation.lock("landscape")
            }
        }, 1000);
    };

    player._oldExitFullscreen = player.exitFullscreen;
    player.exitFullscreen = function() {
        var player = document.getElementById(this.id());
        if (player === null) {
            return;
        }
        player = typeof player.player === "function" ? player.player() : player.player;
        player._oldExitFullscreen(...arguments);
        setTimeout(() => {
            if (screen.orientation) {
                screen.orientation.unlock();
            }
        }, 1000);
    };

    if (args.t !== undefined) {
        let time = vd.parseTime(args.t);
        if (!isNaN(time)) {
            player.currentTime(time);
        }
    }


    if (player.getAttribute('disable-shortcuts') == undefined) {
        player.el().addEventListener('keydown', (e) => {
            if (e.ctrlKey || e.shiftKey || e.altKey) {
                return;
            }

            let p = document.getElementById(player.id());
            if (p === null) {
                return;
            }
            p = typeof p.player === "function" ? p.player() : p.player;

            switch (e.keyCode) {
                case 37: e.preventDefault(); p.currentTime(p.currentTime() - 5);             break;
                case 39: e.preventDefault(); p.currentTime(p.currentTime() + 5);             break;
                case 32: e.preventDefault(); if (p.paused()) p.play(); else p.pause();  break;
                case 40: e.preventDefault(); p.volume(p.volume() - 0.1);                     break;
                case 38: e.preventDefault(); p.volume(p.volume() + 0.1);                     break;
            }
        }, true);

        document.body.addEventListener('keydown', (e) => {
            if (e.ctrlKey || e.shiftKey || e.altKey) {
                return;
            }

            let p = document.getElementById(player.id());
            if (p === null) {
                return;
            }
            p = typeof p.player === "function" ? p.player() : p.player;

            switch (e.keyCode) {
                case 74: e.preventDefault(); p.currentTime(p.currentTime() - 10);            break; // J -> -10s
                case 76: e.preventDefault(); p.currentTime(p.currentTime() + 10);            break; // L -> +10s
                case 75: e.preventDefault(); if (p.paused()) p.play(); else p.pause();  break; // K -> play/pause
                case 77: e.preventDefault(); p.muted(!p.muted());                            break; // M -> mute

                    // F -> toggle fullscreen
                case 70:
                    e.preventDefault();

                    if (p.isFullscreen()) {
                        p.exitFullscreen();
                    } else {
                        p.requestFullscreen();
                    }
                    break;

                    // Seek shortcuts
                case 48: case  96: e.preventDefault(); p.currentTime(0);                          break;
                case 49: case  97: e.preventDefault(); p.currentTime(    p.duration() / 10); break;
                case 50: case  98: e.preventDefault(); p.currentTime(2 * p.duration() / 10); break;
                case 51: case  99: e.preventDefault(); p.currentTime(3 * p.duration() / 10); break;
                case 52: case 100: e.preventDefault(); p.currentTime(4 * p.duration() / 10); break;
                case 53: case 101: e.preventDefault(); p.currentTime(5 * p.duration() / 10); break;
                case 54: case 102: e.preventDefault(); p.currentTime(6 * p.duration() / 10); break;
                case 55: case 103: e.preventDefault(); p.currentTime(7 * p.duration() / 10); break;
                case 56: case 104: e.preventDefault(); p.currentTime(8 * p.duration() / 10); break;
                case 57: case 105: e.preventDefault(); p.currentTime(9 * p.duration() / 10); break;
            }
        }, true);
    }

    let root = src.split('/').slice(0, -1).join('/');
    if (root !== "") {
        root += "/";
    }

    if (player.getAttribute('disable-thumbnails') == undefined) {

        let thumbnails = [];
        const MAX_INDEX = 100;
        for (let i = 0; i <= MAX_INDEX; i++) {
            thumbnails.push(root + "miniature-" + ("" + i).padStart(3, "0") + ".png");
        }

        let thumbnail = new Thumbnail(player, {
            thumbnails,
            width: 192 * 0.75,
            height: 108 * 0.75,
        });

        player.controlBar.progressControl.addChild(thumbnail);


        player.controlBar.progressControl.el().addEventListener('mouseenter', e => {
            thumbnail.el().width = thumbnail.width;
            thumbnail.update(e.offsetX / e.target.offsetWidth);
        });

        player.controlBar.progressControl.el().addEventListener('mouseleave', e => {
            thumbnail.el().width = 0;
        });

        player.controlBar.progressControl.on('mousemove', (event) => {
            const seekBar = player.controlBar.progressControl.seekBar;

            const seekBarEl = seekBar.el();
            const seekBarRect = getBoundingClientRect(seekBarEl);
            let seekBarPoint = getPointerPosition(seekBarEl, event).x;

            seekBarPoint = Math.max(0, Math.min(1, seekBarPoint));
            thumbnail.update(seekBarPoint);
            thumbnail.el().style.left = (seekBarPoint * seekBarRect.width - thumbnail.width / 2) + "px";
        });

    }

    let controlBar = player.getChild('controlBar');
    let fullscreenButton = controlBar.children()[controlBar.children().length - 1];
    controlBar.removeChild(fullscreenButton);

    let menuButton = createRepresentationButtons(player);
    let speedButton = createSpeedButtons(player);
    controlBar.addChild(speedButton, {});
    controlBar.addChild(menuButton, {});
    controlBar.addChild(fullscreenButton, {});

    window.player = player;

    if (video.getAttribute('autoplay') != undefined) {
        player.play();
    }

    return player;
}

for (let element of document.getElementsByTagName('video')) {
    let src = element.getAttribute('data-dash-src');
    if (src != undefined) {
        vd.setup(element, src);
    }
}


    return vd;
})();