browser_rules_filtereditor-commit-on-ENTER.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Tests the Filter Editor Tooltip committing changes on ENTER

const TEST_URL = URL_ROOT + "doc_filter.html";

add_task(async function () {

  await addTab(TEST_URL);

  const { view } = await openRuleView();

  info("Get the filter swatch element");

  const swatch = getRuleViewProperty(

    view,

    "body",

    "filter"

  ).valueSpan.querySelector(".ruleview-filterswatch");

  info("Click on the filter swatch element");

  // Clicking on a cssfilter swatch sets the current filter value in the tooltip

  // which, in turn, makes the FilterWidget emit an "updated" event that causes

  // the rule-view to refresh. So we must wait for the ruleview-changed event.

  let onRuleViewChanged = view.once("ruleview-changed");

  swatch.click();

  await onRuleViewChanged;

  info("Get the cssfilter widget instance");

  const filterTooltip = view.tooltips.getTooltip("filterEditor");

  const widget = filterTooltip.widget;

  info("Set a new value in the cssfilter widget");

  onRuleViewChanged = view.once("ruleview-changed");

  widget.setCssValue("blur(2px)");

  await waitForComputedStyleProperty("body", null, "filter", "blur(2px)");

  await onRuleViewChanged;

  ok(true, "Changes previewed on the element");

  info("Press RETURN to commit changes");

  // Pressing return in the cssfilter tooltip triggeres 2 ruleview-changed

  onRuleViewChanged = waitForNEvents(view, "ruleview-changed", 2);

  EventUtils.sendKey("RETURN", widget.styleWindow);

  await onRuleViewChanged;

is(

    await getComputedStyleProperty("body", null, "filter"),

    "blur(2px)",

    "The elemenet's filter was kept after RETURN"

);

});