DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (409f3966645a)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
<!DOCTYPE html>
<html lang="en" class="reftest-wait">
<meta charset="utf-8">
<title>Removing an existing display item that has its own PaintedLayer shouldn't cause invalidations in other PaintedLayers on top of it</title>

<style>

.content {
  box-sizing: border-box;
  width: 200px;
  height: 200px;
  border: 1px solid black;
}

.fixed {
  position: fixed;
  top: 20px;
  left: 140px;
}

.onTopOfFixed {
  position: absolute;
  top: 120px;
  left: 260px;
}

.reftest-no-paint {
  border-color: lime;
}

#aboutToBecomeHidden {
  left: 20px;
}

body {
  margin: 0;
  padding: 20px;
  height: 3000px;
}

</style>

<div class="fixed content">
  <!--
    This layer is just there to force .onTopOfFixed into PaintedLayers above
    the page background.
  -->
</div>

<div class="onTopOfFixed content" id="aboutToBecomeHidden" style="visibility: visible">
  <!--
    This item starts out visible, and has its own PaintedLayer.
  -->
</div>

<div class="fixed content">
  <!--
    This layer is just there to force the next .onTopOfFixed into its own
    PaintedLayer.
  -->
</div>

<div class="onTopOfFixed reftest-no-paint content">
  <!--
    This item shouldn't repaint when the other .onTopOfFixed item is hidden.
  -->
</div>

<script>

function doTest() {
  document.querySelector("#aboutToBecomeHidden").style.visibility = "hidden";
  document.documentElement.removeAttribute("class");
}
document.addEventListener("MozReftestInvalidate", doTest);

</script>