Quelle helper_fission_tap.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/gfx/layers/apz/test/mochitest/helper_fission_tap.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1">
  <title>Test to ensure events get untransformed properly for OOP iframes</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <script src="helper_fission_utils.js"></script>
  <script src="apz_test_utils.js"></script>
  <script src="apz_test_native_event_utils.js"></script>
  <script>

    // Copied from helper_fission_transforms.html, except for the
    // synthesis function.

    async function test() {
      const iframe = document.querySelector("iframe");
      await setupCrossOriginIFrame(iframe, "helper_fission_plain.html");

      let readyPromise = new Promise(resolve => {
        window.addEventListener("message", event => {
          if (event.data === "listenerready") {
            resolve();
          }
        });
      });

      let result = await SpecialPowers.spawn(iframe, [], async () => {
        content.document.addEventListener("click", (e) => {
          let data = JSON.stringify({
            type: "clicked",
            coords: {
              offsetX: e.clientX,
              offsetY: e.clientY
            }
          });
          content.window.parent.postMessage(data, "*");
        });

        content.window.parent.postMessage("listenerready", "*");

        return true;
      });
      ok(result, "Successfully installed event listener in OOP iframe");

      await readyPromise;

      let childMessagePromise = new Promise(resolve => {
        window.addEventListener("message", event => {
          if (typeof event.data === 'string') {
            let data = JSON.parse(event.data);
            if ("type" in data && data.type == "clicked") {
              let coordinates = {
                offsetX: data.coords.offsetX,
                offsetY: data.coords.offsetY
              };
              resolve(coordinates);
            }
          }
        });
      });

      await synthesizeNativeTap(document.body, 200, 200, function () {
        dump("Finished synthesizing click, waiting for OOPIF message...\n");
      });

      let clickCoordsInChild = await childMessagePromise;
      let expected_coord = 100 / Math.sqrt(2); // because the iframe is rotated 45 deg
      ok(Math.abs(clickCoordsInChild.offsetX - expected_coord) < 3,
        `x-coord ${clickCoordsInChild.offsetX} landed near expected value ${expected_coord}`);
      ok(Math.abs(clickCoordsInChild.offsetY - expected_coord) < 3,
        `y-coord ${clickCoordsInChild.offsetY} landed near expected value ${expected_coord}`);
    }

    waitUntilApzStable()
      .then(test)
      .then(subtestDone, subtestFailed);

  </script>
  <style>
    body,
    html {
      margin: 0;
    }

    div {
      transform-origin: top left;
      transform: translateX(200px) scale(2) rotate(45deg);
      width: 250px;
    }

    iframe {
      width: 200px;
      height: 150px;
      border: solid 1px black;
    }
  </style>
</head>
<body>
  <div><iframe id="testframe"></iframe></div>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

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