kmx.io/kmxgit/assets/vendor/topbar.js

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• Hash : 043fd38d
  Author : Thomas de Grivel
  Date : 2021-11-02T16:10:03
  

  kmx git
  

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• assets/vendor/topbar.js

• /**
   * @license MIT
   * topbar 1.0.0, 2021-01-06
   * http://buunguyen.github.io/topbar
   * Copyright (c) 2021 Buu Nguyen
   */
  (function (window, document) {
    "use strict";
  
    // https://gist.github.com/paulirish/1579671
    (function () {
      var lastTime = 0;
      var vendors = ["ms", "moz", "webkit", "o"];
      for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
        window.requestAnimationFrame =
          window[vendors[x] + "RequestAnimationFrame"];
        window.cancelAnimationFrame =
          window[vendors[x] + "CancelAnimationFrame"] ||
          window[vendors[x] + "CancelRequestAnimationFrame"];
      }
      if (!window.requestAnimationFrame)
        window.requestAnimationFrame = function (callback, element) {
          var currTime = new Date().getTime();
          var timeToCall = Math.max(0, 16 - (currTime - lastTime));
          var id = window.setTimeout(function () {
            callback(currTime + timeToCall);
          }, timeToCall);
          lastTime = currTime + timeToCall;
          return id;
        };
      if (!window.cancelAnimationFrame)
        window.cancelAnimationFrame = function (id) {
          clearTimeout(id);
        };
    })();
  
    var canvas,
      progressTimerId,
      fadeTimerId,
      currentProgress,
      showing,
      addEvent = function (elem, type, handler) {
        if (elem.addEventListener) elem.addEventListener(type, handler, false);
        else if (elem.attachEvent) elem.attachEvent("on" + type, handler);
        else elem["on" + type] = handler;
      },
      options = {
        autoRun: true,
        barThickness: 3,
        barColors: {
          0: "rgba(26,  188, 156, .9)",
          ".25": "rgba(52,  152, 219, .9)",
          ".50": "rgba(241, 196, 15,  .9)",
          ".75": "rgba(230, 126, 34,  .9)",
          "1.0": "rgba(211, 84,  0,   .9)",
        },
        shadowBlur: 10,
        shadowColor: "rgba(0,   0,   0,   .6)",
        className: null,
      },
      repaint = function () {
        canvas.width = window.innerWidth;
        canvas.height = options.barThickness * 5; // need space for shadow
  
        var ctx = canvas.getContext("2d");
        ctx.shadowBlur = options.shadowBlur;
        ctx.shadowColor = options.shadowColor;
  
        var lineGradient = ctx.createLinearGradient(0, 0, canvas.width, 0);
        for (var stop in options.barColors)
          lineGradient.addColorStop(stop, options.barColors[stop]);
        ctx.lineWidth = options.barThickness;
        ctx.beginPath();
        ctx.moveTo(0, options.barThickness / 2);
        ctx.lineTo(
          Math.ceil(currentProgress * canvas.width),
          options.barThickness / 2
        );
        ctx.strokeStyle = lineGradient;
        ctx.stroke();
      },
      createCanvas = function () {
        canvas = document.createElement("canvas");
        var style = canvas.style;
        style.position = "fixed";
        style.top = style.left = style.right = style.margin = style.padding = 0;
        style.zIndex = 100001;
        style.display = "none";
        if (options.className) canvas.classList.add(options.className);
        document.body.appendChild(canvas);
        addEvent(window, "resize", repaint);
      },
      topbar = {
        config: function (opts) {
          for (var key in opts)
            if (options.hasOwnProperty(key)) options[key] = opts[key];
        },
        show: function () {
          if (showing) return;
          showing = true;
          if (fadeTimerId !== null) window.cancelAnimationFrame(fadeTimerId);
          if (!canvas) createCanvas();
          canvas.style.opacity = 1;
          canvas.style.display = "block";
          topbar.progress(0);
          if (options.autoRun) {
            (function loop() {
              progressTimerId = window.requestAnimationFrame(loop);
              topbar.progress(
                "+" + 0.05 * Math.pow(1 - Math.sqrt(currentProgress), 2)
              );
            })();
          }
        },
        progress: function (to) {
          if (typeof to === "undefined") return currentProgress;
          if (typeof to === "string") {
            to =
              (to.indexOf("+") >= 0 || to.indexOf("-") >= 0
                ? currentProgress
                : 0) + parseFloat(to);
          }
          currentProgress = to > 1 ? 1 : to;
          repaint();
          return currentProgress;
        },
        hide: function () {
          if (!showing) return;
          showing = false;
          if (progressTimerId != null) {
            window.cancelAnimationFrame(progressTimerId);
            progressTimerId = null;
          }
          (function loop() {
            if (topbar.progress("+.1") >= 1) {
              canvas.style.opacity -= 0.05;
              if (canvas.style.opacity <= 0.05) {
                canvas.style.display = "none";
                fadeTimerId = null;
                return;
              }
            }
            fadeTimerId = window.requestAnimationFrame(loop);
          })();
        },
      };
  
    if (typeof module === "object" && typeof module.exports === "object") {
      module.exports = topbar;
    } else if (typeof define === "function" && define.amd) {
      define(function () {
        return topbar;
      });
    } else {
      this.topbar = topbar;
    }
  }.call(this, window, document));
  

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