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products/Sources/formale Sprachen/C/Firefox/layout/style/test/ (Firefox Browser Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 4 kB

Quelle test_mq_hover_and_pointer.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/style/test/test_mq_hover_and_pointer.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 1035774</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1035774">Mozilla Bug 1035774</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>
<script>

const NO_POINTER            = 0x00;
const COARSE_POINTER        = 0x01;
const FINE_POINTER          = 0x02;
const HOVER_CAPABLE_POINTER = 0x04;

var isAndroid = navigator.appVersion.includes("Android");

add_task(async () => {
  await SpecialPowers.pushPrefEnv({
    set: [ ['privacy.resistFingerprinting', true] ]
  });

  // When resistFingerprinting is enabled, we pretend that the system has a
  // mouse pointer (or finger on mobile).
  let invertIfAndroid = function(b) { return isAndroid ? !b : b; };

  ok(!matchMedia("(pointer: none)").matches,
                 "Doesn't match (pointer: none)");

  ok(matchMedia("(pointer)").matches, "Matches (pointer)");

  ok(invertIfAndroid(!matchMedia("(pointer: coarse)").matches),
                 "Doesn't match (pointer: coarse)");
  ok(invertIfAndroid(matchMedia("(pointer: fine)").matches), "Matches (pointer: fine)");

  ok(invertIfAndroid(!matchMedia("(hover: none)").matches), "Doesn't match (hover: none)");
  ok(invertIfAndroid(matchMedia("(hover: hover)").matches), "Matches (hover: hover)");
  ok(invertIfAndroid(matchMedia("(hover)").matches), "Matches (hover)");

  await SpecialPowers.flushPrefEnv();
});

add_task(async () => {
  // No pointer.
  await SpecialPowers.pushPrefEnv({
    set: [ ['ui.primaryPointerCapabilities', NO_POINTER] ]
  });

  ok(matchMedia("(pointer: none)").matches, "Matches (pointer: none)");
  ok(!matchMedia("(pointer: coarse)").matches,
                 "Doesn't match (pointer: coarse)");
  ok(!matchMedia("(pointer: fine)").matches, "Doesn't match (pointer: fine)");
  ok(!matchMedia("(pointer)").matches, "Matches (pointer)");

  ok(matchMedia("(hover: none)").matches, "Matches (hover: none)");
  ok(!matchMedia("(hover: hover)").matches, "Doesn't match (hover: hover)");
  ok(!matchMedia("(hover)").matches, "Doesn't match (hover)");
});

add_task(async () => {
  // Mouse type pointer.
  await SpecialPowers.pushPrefEnv({
    set: [ ['ui.primaryPointerCapabilities', FINE_POINTER | HOVER_CAPABLE_POINTER] ]
  });

  ok(!matchMedia("(pointer: none)").matches,
                 "Doesn't match (pointer: none)");
  ok(!matchMedia("(pointer: coarse)").matches,
                 "Doesn't match (pointer: coarse)");
  ok(matchMedia("(pointer: fine)").matches, "Matches (pointer: fine)");
  ok(matchMedia("(pointer)").matches, "Matches (pointer)");

  ok(!matchMedia("(hover: none)").matches, "Doesn't match (hover: none)");
  ok(matchMedia("(hover: hover)").matches, "Matches (hover: hover)");
  ok(matchMedia("(hover)").matches, "Matches (hover)");
});

add_task(async () => {
  // Mouse type pointer.
  await SpecialPowers.pushPrefEnv({
    set: [ ['ui.primaryPointerCapabilities',
            FINE_POINTER |
            HOVER_CAPABLE_POINTER] ]
  });

  ok(!matchMedia("(pointer: none)").matches,
                 "Doesn't match (pointer: none)");
  ok(!matchMedia("(pointer: coarse)").matches,
                 "Doesn't match (pointer: coarse)");
  ok(matchMedia("(pointer: fine)").matches, "Matches (pointer: fine)");
  ok(matchMedia("(pointer)").matches, "Matches (pointer)");

  ok(!matchMedia("(hover: none)").matches, "Doesn't match (hover: none)");
  ok(matchMedia("(hover: hover)").matches, "Matches (hover: hover)");
  ok(matchMedia("(hover)").matches, "Matches (hover)");
});

add_task(async () => {
  // Touch screen.
  await SpecialPowers.pushPrefEnv({
    set: [ ['ui.primaryPointerCapabilities', COARSE_POINTER] ]
  });

  ok(!matchMedia("(pointer: none)").matches, "Doesn't match (pointer: none)");
  ok(matchMedia("(pointer: coarse)").matches, "Matches (pointer: coarse)");
  ok(!matchMedia("(pointer: fine)").matches, "Doesn't match (pointer: fine)");
  ok(matchMedia("(pointer)").matches, "Matches (pointer)");

  ok(matchMedia("(hover: none)").matches, "Match (hover: none)");
  ok(!matchMedia("(hover: hover)").matches, "Doesn't match (hover: hover)");
  ok(!matchMedia("(hover)").matches, "Doesn't match (hover)");
});

</script>
</body>
</html>

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