Quelle file_fullscreen-top-layer.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/base/test/fullscreen/file_fullscreen-top-layer.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Test for Bug 1126230</title>
  <style>
    #back {
      position: fixed !important;
      z-index: 2147483647 !important;
      top: 0 !important; left: 0 !important;
      right: 0 !important; bottom: 0 !important;
      width: 100% !important; height: 100% !important;
    }
    #parent {
      position: fixed;
      z-index: -2147483748;
      width: 0; height: 0;
      overflow: hidden;
      opacity: 0;
      mask: url(#mask);
      clip: rect(0, 0, 0, 0);
      clip-path: url(#clipPath);
      filter: opacity(0%);
      will-change: transform;
      perspective: 10px;
      transform: scale(0);
    }
    /* The following styles are copied from ua.css to ensure that
     * no other style change may trigger frame reconstruction */
    :root {
      overflow: hidden !important;
    }
    .two #fullscreen {
      position: fixed !important;
      top: 0 !important;
      left: 0 !important;
      right: 0 !important;
      bottom: 0 !important;
      z-index: 2147483647 !important;
      width: 100% !important;
      height: 100% !important;
      margin: 0 !important;
      min-width: 0 !important;
      max-width: none !important;
      min-height: 0 !important;
      max-height: none !important;
      box-sizing: border-box !important;
    }
  </style>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <script type="text/javascript" src="file_fullscreen-utils.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1126230">Mozilla Bug 1126230</a>
<div id="parent">
  <div id="fullscreen" style="background-color: green"></div>
</div>
<div id="back" style="background-color: red"></div>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <clipPath id="clipPath"></clipPath>
    <mask id="mask"></mask>
  </defs>
</svg>
<script>
const gParentProperties = [
  "position", "zIndex", "overflow",
  "opacity", "mask", "clip", "clipPath",
  "filter", "willChange", "transform"
];

var gInitialVals = {};

const gParent = document.getElementById("parent");
const gFullscreen = document.getElementById("fullscreen");
const gBack = document.getElementById("back");

function is(a, b, msg) {
  opener.is(a, b, "[top-layer] " + msg);
}

function isnot(a, b, msg) {
  opener.isnot(a, b, "[top-layer] " + msg);
}

function ok(cond, msg) {
  opener.ok(cond, "[top-layer] " + msg);
}

function synthesizeMouseAtWindowCenter() {
  synthesizeMouseAtPoint(innerWidth / 2, innerHeight / 2, {});
}

var tests = ["one", "two"];

function begin() {
  // record initial computed style of #parent
  const style = getComputedStyle(gParent);
  for (var prop of gParentProperties) {
    gInitialVals[prop] = style[prop];
  }

  nextTest();
}

function nextTest() {
  document.body.className = tests.shift();
  // trigger a reflow to ensure the state of frames before fullscreen
  gFullscreen.getBoundingClientRect();

  ok(!document.fullscreenElement, "Shouldn't be in fullscreen");
  // check window snapshot
  assertWindowPureColor(window, "red");
  // simulate click
  window.addEventListener("click", firstClick);
  synthesizeMouseAtWindowCenter();
}

function firstClick(evt) {
  window.removeEventListener("click", firstClick);
  is(evt.target, gBack, "Click target should be #back before fullscreen");
  addFullscreenChangeContinuation("enter", enterFullscreen);
  gFullscreen.requestFullscreen();
}

function enterFullscreen() {
  ok(document.fullscreenElement, "Should now be in fullscreen");
  // check window snapshot
  assertWindowPureColor(window, "green");
  // check computed style of #parent
  const style = getComputedStyle(gParent);
  for (var prop of gParentProperties) {
    is(style[prop], gInitialVals[prop],
       `Computed style ${prop} of #parent should not be changed`);
  }
  // simulate click
  window.addEventListener("click", secondClick);
  synthesizeMouseAtWindowCenter();
}

function secondClick(evt) {
  window.removeEventListener("click", secondClick);
  is(evt.target, gFullscreen, "Click target should be #fullscreen now");
  addFullscreenChangeContinuation("exit", exitFullscreen);
  document.exitFullscreen();
}

function exitFullscreen() {
  if (tests.length) {
    nextTest();
  } else {
    opener.nextTest();
  }
}
</script>
</body>
</html>

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