browser_html_tooltip_zoom.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

/* import-globals-from helper_html_tooltip.js */

"use strict";

/**

 * Test the HTMLTooltip is displayed correct position if content is zoomed in.

*/

const HTML_NS = "http://www.w3.org/1999/xhtml";

const TEST_URI = CHROME_URL_ROOT + "doc_html_tooltip.xhtml";

const {

  HTMLTooltip,

} = require("resource://devtools/client/shared/widgets/tooltip/HTMLTooltip.js");

function getTooltipContent(doc) {

  const div = doc.createElementNS(HTML_NS, "div");

  div.style.height = "50px";

  div.style.boxSizing = "border-box";

  div.style.backgroundColor = "red";

  div.textContent = "tooltip";

  return div;

add_task(async function () {

  const { host, doc } = await createHost("window", TEST_URI);

  // Creating a window host is not correctly waiting when DevTools run in content frame

  // See Bug 1571421.

  await wait(1000);

  const zoom = 1.5;

  await pushPref("devtools.toolbox.zoomValue", zoom.toString(10));

  // Change this xul zoom to the x1.5 since this test doesn't use the toolbox preferences.

  host.frame.docShell.browsingContext.fullZoom = zoom;

  const tooltip = new HTMLTooltip(doc, { useXulWrapper: true });

  info("Set tooltip content");

  tooltip.panel.appendChild(getTooltipContent(doc));

  tooltip.setContentSize({ width: 100, height: 50 });

  is(tooltip.isVisible(), false, "Tooltip is not visible");

  info("Show the tooltip and check the expected events are fired.");

  const onShown = tooltip.once("shown");

  tooltip.show(doc.getElementById("box1"));

  await onShown;

  const menuRect = doc

    .querySelector(".tooltip-xul-wrapper > .tooltip-container")

    .getBoxQuads({ relativeTo: doc })[0]

    .getBounds();

  const anchorRect = doc

    .getElementById("box1")

    .getBoxQuads({ relativeTo: doc })[0]

    .getBounds();

  const xDelta = Math.abs(menuRect.left - anchorRect.left);

  const yDelta = Math.abs(menuRect.top - anchorRect.bottom);

  Assert.less(xDelta, 1, "xDelta: " + xDelta + ".");

  Assert.less(yDelta, 1, "yDelta: " + yDelta + ".");

  info("Hide the tooltip and check the expected events are fired.");

  const onPopupHidden = tooltip.once("hidden");

  tooltip.hide();

  await onPopupHidden;

  tooltip.destroy();

  await host.destroy();

});