netflix progress and title indicator

adds div with the current title and time use 't' to add "hidden" style to the div along with some default style

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。

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 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         netflix progress and title indicator
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  adds div with the current title and time use 't' to add "hidden" style to the div along with some default style
// @author       Me
// @match        https://www.netflix.com/*
// @grant        none
// ==/UserScript==

function title_getter() {
    var vid, title = "", on = false;
    function refresh_title () {
        try {
            let divs = document.querySelectorAll(".video-title div *");
            if(divs.length === 0){
                divs = document.querySelectorAll(".video-title *");
            }
            title = Array.from(divs).map((x)=>x.textContent).join(" ");
        } catch(e) {
            title = "";
        }
    }
    function refresh_enabled () {
        vid = document.querySelector(".AkiraPlayer video");
        if(vid === null && on) {
            on = false;
            return;
        }
        if(vid !== null && !on) {
            on = true;
        }
    }
    function time() {
        try {
            let cur = +vid.currentTime;
            let dur = +vid.duration;
            return { cur: cur, dur: dur };
        } catch(e) {
            return { cur: 0, dur: 0 };
        }
    }
    return { title: function () { return title; }, time, refresh_title, refresh_enabled, enabled: function () { return on; } };
}

function reappend (n) {
    var w = document.querySelector(".sizing-wrapper");
    if(w !== null){
        if(w.contains(n)) {
            return;
        }
        w.appendChild(n);
    }
}
 function node(cls, c) {
     var parent = document.createElement("div");
     var text = document.createTextNode("");
     parent.appendChild(text);
     if(c != null) {
         for(var n of c) {
             parent.appendChild(n);
         }
     }
     var current;
     var hidden = false;
     parent.className = cls;
     return {
         n: parent,
         set: function (value) {
             if(value == null) {
                 return;
             }
             value = value.toString();
             if(current != value) {
                 text.textContent = value;
                 current = value;
             }
         },
         hide: function () { if(hidden) return; hidden = true; parent.className = cls + " hidden"; },
         show: function () { if(!hidden) return; hidden = false; parent.className = cls; }
     };
 }

function p(number) {
   return (number < 10 ? '0' : '') + number;
}

var CreateStyle = function () {
	function DynamicCss () {
		var s = document.createElement("style");
		s.setAttribute("type", "text/css");
		s.setAttribute("rel", 'stylesheet');
		s.setAttribute("media", 'screen');
		document.head.appendChild(s);
		this.e_container = s;
		this.rules = {};
	}

    var state = 0;
	DynamicCss.prototype = {
		addRule: function (name, selector) {
            if(arguments.length == 1) {
                selector = name;
                name = ++state;
            }
			if(this.rules[name]) {
				return this.rules[name];
            }
			var r = this.rules[name] = new DynamicRule(selector);
			this.e_container.appendChild(r.e_container);
            console.log("RULE", this);
			return r;
		},
		getRule: function (name) {
			return this.rules[name];
		},
		removeRule: function (name) {
			if(this.rules[name]) {
				var r = this.rules[name];
				delete this.rules[name];
				this.e_container.removeChild(r.e_container);
			}
		}
	};

	function DynamicRule (selector) {
		var rule = this.e_container = document.createDocumentFragment();
		rule.appendChild(document.createTextNode(selector + "{"));
		var innerRule = this.e_rules = document.createTextNode("");
		rule.appendChild(innerRule);
		rule.appendChild(document.createTextNode("}\n"));
		this.rules = {};
	}
	DynamicRule.prototype = {
        setDeclarations: function (declarations) {
            for(var key in declarations) {
                this.rules[key] = declarations[key];
            }
			this.redraw();
		},
		setDeclaration: function (key, value) {
			this.rules[key] = value;
			this.redraw();
		},
		removeDeclaration: function (key) {
			delete this.rules[key];
			this.redraw();
		},
		redraw: function () {
			var rule = "", a = this.rules, isFirst = true;
			for(var key in a){
				rule += (!isFirst?";":(isFirst=false||"")) + key + ":" + a[key];
			}
			this.e_rules.nodeValue = rule;
		}
	};

    return function () { return new DynamicCss(); }
}();

(function() {
   var data = title_getter();
   function fmt_time(s) {
        s = s | 0;
        var h = (s / 3600)|0;
        s = s - h * 3600;
        var m = (s / 60)|0;
        s = s - m * 60;
        return `${p(h)}:${p(m)}:${p(s)}`;
    }
    var title = node("title");
    var time = node("time");
    var wholeTitleNode = node("myTitleNode", [title.n, time.n]);
    // css
    var style = CreateStyle();
    style.addRule(".myTitleNode.hidden").setDeclaration("display", "none");
    style.addRule(".myTitleNode").setDeclarations({
        top: "10px",
        position: "fixed",
        left: "10px",
        color: "white",
        right: "10px",
        "z-index": "100",
        "font-size": "2em"
    });
    style.addRule(".myTitleNode .title").setDeclaration("float", "left");
    style.addRule(".myTitleNode .time").setDeclaration("float", "right");

    document.body.appendChild(wholeTitleNode.n);
    setInterval(data.refresh_title, 5000);
    var shown = false;
    document.body.addEventListener('keypress', function (e) {
        if(e.key == 't') {
            shown = shown ? false : true;
            refresh();
        }
    });
    function refresh () {
        data.refresh_enabled();
        reappend(wholeTitleNode.n);
        if(data.enabled() && shown) {
            wholeTitleNode.show();
        } else {
            wholeTitleNode.hide();
            return;
        }
        var my_tit = data.title();
        title.set(my_tit);
        let t = data.time();
        time.set(`${fmt_time(t.cur)} / ${fmt_time(t.dur)}`);
    }
    setInterval(refresh, 500);
})();