Quelle test_slotted_text_click.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/events/test/test_slotted_text_click.html

<!doctype html>
<meta charset="utf-8">
<title>Bug 1481500: click / activation on text activates the slot it's assigned to
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script>
function generateLotsOfText() {
  let text = "Some text. ";
  for (let i = 0; i < 10; ++i)
    text += text;
  return text;
}

function runTests() {
  let iframe = document.createElement('iframe');
  document.body.appendChild(iframe);
  iframe.onload = () => frameLoaded(iframe);
  iframe.width = "350"
  iframe.height = "350"
  iframe.srcdoc =
    `<div id="host">${generateLotsOfText()}</div>`
}

function frameLoaded(iframe) {
  let host = iframe.contentDocument.getElementById('host');

  host.attachShadow({ mode: 'open' }).innerHTML = `
    <style>
      :host {
        width: 300px;
        height: 300px;
        overflow: hidden;
      }
    </style>
    <slot></slot>
  `;

  let slot = host.shadowRoot.querySelector('slot');
  let mousedownFired = false;
  let mouseupFired = false;
  slot.addEventListener('mousedown', function() {
    ok(true, "Mousedown should fire on the slot when clicking on text");
    mousedownFired = true;
  });

  slot.addEventListener('click', function() {
    ok(true, "Click should target the slot");
    ok(mousedownFired, "mousedown should've fired");
    ok(mouseupFired, "click should've fired");
    SimpleTest.finish();
  });

  slot.addEventListener('mouseup', function() {
    // FIXME: When we fix bug 1481517, this check should move to the mousedown listener.
    ok(this.matches(":active"), "Slot should become active");
    mouseupFired = true;
  });

  requestAnimationFrame(() => {
    requestAnimationFrame(() => {
      synthesizeMouseAtPoint(150, 150, { type: "mousedown" });
      synthesizeMouseAtPoint(150, 150, { type: "mouseup" });
    });
  });
}

SimpleTest.waitForExplicitFinish();
window.onload = () => {
  SimpleTest.waitForFocus(runTests);
};
</script>

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