tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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scrolling.js (1371B)

      1 var topElements;
      2 var failed = false;
      3 
      4 function doScroll(d)
      5 {
      6  if (failed)
      7    return;
      8  for (var i = 0; i < topElements.length; ++i) {
      9    var e = topElements[i];
     10    e.scrollTop = d;
     11    if (e.scrollTop != d) {
     12      document.documentElement.textContent =
     13          "Scrolling failed on " + e.tagName + " element, " +
     14          "tried to scroll to " + d + ", got " + e.scrollTop +
     15          " (Random number: " + Math.random() + ")";
     16      failed = true;
     17    }
     18  }
     19 }
     20 
     21 // bug 1134459, images are decoded off main thread
     22 // Wait for the load event so we know all images have loaded
     23 document.onload = function() {
     24  topElements = document.getElementsByClassName("scrollTop");
     25  if (!topElements.length) {
     26    topElements = [document.documentElement];
     27  }
     28 
     29  if (document.location.search == '?ref') {
     30    doScroll(20);
     31  } else if (document.location.search == '?up') {
     32    doScroll(40);
     33    document.documentElement.setAttribute("class", "reftest-wait");
     34    window.addEventListener("MozReftestInvalidate", function() {
     35        document.documentElement.removeAttribute("class");
     36        doScroll(20);
     37        });
     38  } else {
     39    doScroll(1);
     40    document.documentElement.setAttribute("class", "reftest-wait");
     41    window.addEventListener("MozReftestInvalidate", function() {
     42        document.documentElement.removeAttribute("class");
     43        doScroll(20);
     44        });
     45  }
     46 }