Scroll Page Progress

Visual indicator of page progress while scrolling

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, Greasemonkey alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey alebo Userscripts.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie správcu používateľských skriptov.

(Už mám správcu používateľských skriptov, nechajte ma ho nainštalovať!)

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

(Už mám správcu používateľských štýlov, nechajte ma ho nainštalovať!)


// ==UserScript==
// @license MIT
// @name         Scroll Page Progress
// @namespace    http://tampermonkey.net/
// @version      1.8.3
// @description  Visual indicator of page progress while scrolling
// @author       You
// @match        *://*/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

(function () {
  'use strict';
  const currentState = {
    deg: 0,
    progress: 0,
    zIndex: 0,
    movementIntervalId: null
  }
  let globalShadow
  let progressBar
  const createDiv = () => document.createElement('div')

  function insertCirculaProgressBarEl() {
    const shadowHost = createDiv()
    shadowHost.id = 'host-shwadow-circular-progress'
    const shadow = shadowHost.attachShadow({ mode: "closed" });
    globalShadow = shadow

    const circularProgressBar = createDiv()
    progressBar = circularProgressBar
    const contentWrapper = createDiv()
    const closeOverlay = createDiv()
    const title = createDiv()
    const overlay = createDiv()
    const leftSide = createDiv()
    const rightSide = createDiv()

    circularProgressBar.classList.add('circular-progress-bar')
    title.classList.add('title');
    closeOverlay.classList.add('close-overlay');
    contentWrapper.classList.add('content-wrapper')
    overlay.classList.add('overlay');
    leftSide.classList.add('left-side');
    rightSide.classList.add('right-side');

    title.innerText = '-%'

    // this is the only way to create a trusted HTML element
    if (window.trustedTypes) {
      closeOverlay.innerHTML = window.trustedTypes.defaultPolicy.createHTML('×')
    } else {
      closeOverlay.innerHTML = '×'
    }

    closeOverlay.addEventListener('click', function () {
      //circularProgressBar.style.display = 'none'
      const screenWidth = window.innerWidth;
      const elementoWidth = circularProgressBar.offsetWidth;

      // Calcular la nueva posición
      const newPosition = screenWidth - elementoWidth / 2;

      // Aplicar la nueva posición
      circularProgressBar.style.left = `${newPosition}px`;
      const topPosition = circularProgressBar.style.top

      const path = window.location.pathname;
      let savedPaths = JSON.parse(localStorage.getItem('not-allowed-paths')) || [];

      const existingEntryIndex = savedPaths.findIndex(entry => entry.path === path);

      const newEntry = {
        path: path,
        left: newPosition,
        top: topPosition || '0px' // Si el top no está definido, usa '0px' como valor por defecto
      };

      if (existingEntryIndex !== -1) {
        // Si ya existe una entrada para la ruta, actualiza la posición
        savedPaths[existingEntryIndex] = newEntry;
      } else {
        // Si no existe, añade la nueva entrada
        savedPaths.push(newEntry);
      }
      console.log("savedPaths", savedPaths)
      // Guardar el array actualizado en localStorage
      localStorage.setItem('not-allowed-paths', JSON.stringify(savedPaths));
    });

    ;[title, overlay, leftSide, rightSide].forEach(childEl => contentWrapper.appendChild(childEl))
    circularProgressBar.appendChild(closeOverlay)
    circularProgressBar.appendChild(contentWrapper)
    shadow.appendChild(circularProgressBar)
    document.body.appendChild(shadowHost)
  }

  function addCSS() {
    const styleSheet = document.createElement('style');
    styleSheet.textContent = `
              * {
              box-sizing: border-box;
              padding: 0;
              margin: 0;
            }
            .circular-progress-bar {
              --backgroundColor: #424242;
              --left-side-angle: 180deg;
              --barColor:orangered;
              width: 60px;
              height: 60px;
              color: #fff;
              border-radius: 50%;
              position: fixed;
              z-index: 2147483646;
              background: var(--backgroundColor);
              border: 5px solid white;
              box-shadow:
                    0 1px 1px hsl(0deg 0% 0% / 0.075),
                    0 2px 2px hsl(0deg 0% 0% / 0.075),
                    0 4px 4px hsl(0deg 0% 0% / 0.075),
                    0 8px 8px hsl(0deg 0% 0% / 0.075),
                    0 16px 16px hsl(0deg 0% 0% / 0.075);
              text-align: center;
              cursor: pointer;
              transition: opacity 0.2s ease;
            }
            
            
            .circular-progress-bar .overlay {
              width: 50%;
              height: 100%;
              position: absolute;
              top: 0;
              left: 0;
              background-color: var(--backgroundColor);
              transform-origin: right;
              transform: rotate(var(--overlay));
            }
            .close-overlay {
                width: 20px;
                height: 20px;
                position: absolute;
                left: 100%;
                top: -30%;
                z-index: 2147483647;
                display: flex;
                justify-content: center;
                align-items: center;
                border-radius: 50%;
                background: orangered;
                font-size: 19px;
                text-align: center;
                opacity: 0;
            }
            .close-overlay:hover {
                font-weight: bold;
            }
     
            .content-wrapper {
                overflow: hidden;
                height: 100%;
                width: 100%;
                border-radius: 50%;
                position: relative;
            }
            
            .circular-progress-bar:hover .close-overlay {
            		opacity:1;
            }
            
            .circular-progress-bar .title {
              font-size: 15px;
              font-weight: bold;
              position:relative;
              height: 100%;
              display:flex;
              justify-content:center;
              align-items: center;
              z-index: 100;
            }
     
            .circular-progress-bar .left-side,
            .circular-progress-bar .right-side {
              width: 50%;
              height: 100%;
              position: absolute;
              top: 0;
              left: 0;
              border: 5px solid var(--barColor);
              border-radius: 100px 0px 0px 100px;
              border-right: 0;
              transform-origin: right;
            }
            .circular-progress-bar .left-side {
              transform: rotate(var(--left-side-angle));
            }
            .circular-progress-bar .right-side {
              transform: rotate(var(--right-side-angle));
            }
      `
    globalShadow.appendChild(styleSheet)
  }

  function setAngle(deg) {
    const progressBar = globalShadow.querySelector('.circular-progress-bar')
    const leftSide = globalShadow.querySelector('.left-side')
    const rightSide = globalShadow.querySelector('.right-side')
    const overlay = globalShadow.querySelector('.circular-progress-bar .overlay')

    const zIndex = deg > 180 ? 100 : 0
    const rightSideAngle = deg < 180 ? deg : 180
    const leftSideAngle = deg
    const overlayAngle = deg < 180 ? 0 : deg - 180
    const zIndexChangedToPositive = currentState.zIndex === 0 && zIndex === 100
    if (deg > 180) {
      rightSide.style.zIndex = 2
      leftSide.style.zIndex = 0
      overlay.style.zIndex = 1
    } else {
      rightSide.style.zIndex = 1
      leftSide.style.zIndex = 0
      overlay.style.zIndex = 2
    }
    progressBar.style.setProperty('--overlay', `${overlayAngle}deg`);
    progressBar.style.setProperty('--right-side-angle', `${rightSideAngle}deg`);
    progressBar.style.setProperty('--left-side-angle', `${leftSideAngle}deg`);

  }

  function smoothProgressBar(targetProgress, duration) {

    if (currentState.movementIntervalId) {
      clearInterval(currentState.movementIntervalId);
    }
    let currentProgress = currentState.deg
    const increment = (targetProgress - currentProgress) / (duration / 10);

    currentState.movementIntervalId = setInterval(function () {
      currentProgress += increment;

      if ((increment > 0 && currentProgress >= targetProgress) || (increment < 0 && currentProgress <= targetProgress)) {
        currentProgress = targetProgress;
        clearInterval(currentState.movementIntervalId);
      }

      setAngle(currentProgress)
    }, 10);
  }

  function percentageToAngle(percentageNumber) {
    if (percentageNumber > 100) {
      return 360
    }
    if (percentageNumber < 0) {
      return 0
    }
    return (360 * percentageNumber) / 100
  }

  function setPercentage(percentageNumber) {
    const angle = percentageToAngle(percentageNumber)
    smoothProgressBar(angle, 400)
  }

  function debounce(callback, wait) {
    let timerId;
    return (...args) => {
      clearTimeout(timerId);
      timerId = setTimeout(() => {
        callback(...args);
      }, wait);
    };
  }

  function setEventListeners() {
      let offsetX = 0, offsetY = 0, isDragging = false;

      progressBar.addEventListener("mousedown", (e) => {
        e.preventDefault()
        offsetX = e.clientX - progressBar.offsetLeft;
        offsetY = e.clientY - progressBar.offsetTop;
        isDragging = true;
        progressBar.style.cursor = "grabbing";
        progressBar.style.opacity = "0.3";
      });

      document.addEventListener("mousemove", (e) => {
        if (isDragging) {
          e.preventDefault();
          const left = e.clientX - offsetX;
          const top = e.clientY - offsetY;
          progressBar.style.left = `${left}px`;
          progressBar.style.top = `${top}px`;
          savePosition(left, top); // Guardar la posición cada vez que se mueve
        }
      });

      document.addEventListener("mouseup", () => {
        isDragging = false;
        progressBar.style.cursor = "grab";
        progressBar.style.opacity = "1";
      });
  }

  function savePosition(left, top) {
    const position = { left, top };
    localStorage.setItem("elementPosition", JSON.stringify(position));
  }

  function loadPosition() {
    const currentPath = window.location.pathname;
    const savedPaths = JSON.parse(localStorage.getItem('not-allowed-paths')) || [];

    const entry = savedPaths.find(entry => entry.path === currentPath);

    if (entry) {
      console.log('exist entry')
      // Si existe una entrada para la ruta, aplica las posiciones guardadas
      progressBar.style.left = `${entry.left}px`;
      progressBar.style.top = `${entry.top}`;
      return;
    }
    const savedPosition = localStorage.getItem("elementPosition");
    if (savedPosition) {
      const { left, top } = JSON.parse(savedPosition);
      progressBar.style.left = `${left}px`;
      progressBar.style.top = `${top}px`;
    } else {
      progressBar.style.right = `10px`;
      progressBar.style.top = `10px`;
    }
  }

  function getCurrentScrollProgress() {
    const winScroll = document.body.scrollTop || document.documentElement.scrollTop;
    const height = document.documentElement.scrollHeight - document.documentElement.clientHeight;
    const progress = (winScroll / height) * 100;
    return Math.trunc(progress);
  }

  function watchScroll() {
    const progressBarTitle = globalShadow.querySelector('.title')
    document.addEventListener('scroll', debounce(() => {
      setPercentage(getCurrentScrollProgress())
      progressBarTitle.innerText = getCurrentScrollProgress() + '%'
      currentState.progress = getCurrentScrollProgress()
      currentState.deg = percentageToAngle(getCurrentScrollProgress())
    }, 50))
  }


  document.onreadystatechange = function () {
    if (document.readyState == "complete") {
      if (window.trustedTypes && window.trustedTypes.createPolicy && !window.trustedTypes.defaultPolicy) {
        window.trustedTypes.createPolicy('default', {
          createHTML: (string, sink) => string
        });
      }

      insertCirculaProgressBarEl()
      setEventListeners()
      addCSS()
      loadPosition()
      watchScroll()
    }
  }


})();