browser_grids_highlighter-setting-rules-grid-toggle.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test toggling the grid highlighter in the rule view with changes in the grid

// display setting from the layout view.

const TEST_URI = `

  <style type='text/css'>

    #grid {

      display: grid;

  </style>

  <div id="grid">

    <div id="cell1">cell1</div>

    <div id="cell2">cell2</div>

  </div>

`;

const SHOW_INFINITE_LINES_PREF = "devtools.gridinspector.showInfiniteLines";

add_task(async function () {

  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));

  const { inspector, gridInspector } = await openLayoutView();

  const { document: doc } = gridInspector;

  const { store } = inspector;

  const checkbox = doc.getElementById("grid-setting-extend-grid-lines");

ok(

    !Services.prefs.getBoolPref(SHOW_INFINITE_LINES_PREF),

    "'Extend grid lines infinitely' is pref off by default."

);

  info("Toggling ON the 'Extend grid lines infinitely' setting.");

  const onCheckboxChange = waitUntilState(

    store,

    state => state.highlighterSettings.showInfiniteLines

);

  checkbox.click();

  await onCheckboxChange;

  info("Selecting the rule view.");

  const ruleView = selectRuleView(inspector);

  const highlighters = ruleView.highlighters;

  await selectNode("#grid", inspector);

  const container = getRuleViewProperty(ruleView, "#grid", "display").valueSpan;

  const gridToggle = container.querySelector(".js-toggle-grid-highlighter");

  info("Toggling ON the CSS grid highlighter from the rule-view.");

  const onHighlighterShown = highlighters.once(

    "grid-highlighter-shown",

    (nodeFront, options) => {

      info("Checking the grid highlighter display settings.");

      const {

        color,

        showGridAreasOverlay,

        showGridLineNumbers,

        showInfiniteLines,

      } = options;

      is(color, "#9400FF", "CSS grid highlighter color is correct.");

      ok(!showGridAreasOverlay, "Show grid areas overlay option is off.");

      ok(!showGridLineNumbers, "Show grid line numbers option is off.");

      ok(showInfiniteLines, "Show infinite lines option is on.");

);

  gridToggle.click();

  await onHighlighterShown;

  Services.prefs.clearUserPref(SHOW_INFINITE_LINES_PREF);

});