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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that hovering over a box model value will jump to its source CSS rule in the
// rules view when the shift key is pressed.
const TEST_URI = `<style>
#box {
margin: 5px;
}
</style>
<div id="box"></div>`;
add_task(async function () {
await pushPref("devtools.layout.boxmodel.highlightProperty", true);
await addTab("data:text/html," + encodeURIComponent(TEST_URI));
const { inspector, boxmodel } = await openLayoutView();
await selectNode("#box", inspector);
info(
"Test that hovering over margin-top value highlights the property in rules view."
);
const ruleView = await inspector.getPanel("ruleview").view;
const el = boxmodel.document.querySelector(
".boxmodel-margin.boxmodel-top > span"
);
info("Wait for mouse to hover over margin-top element.");
const onHighlightProperty = ruleView.once("scrolled-to-element");
EventUtils.synthesizeMouseAtCenter(
el,
{ type: "mousemove", shiftKey: true },
boxmodel.document.defaultView
);
await onHighlightProperty;
info("Check that margin-top is visible in the rule view.");
const { rules, styleWindow } = ruleView;
const marginTop = rules[1].textProps[0].computed[0];
ok(
isInViewport(marginTop.element, styleWindow),
"margin-top is visible in the rule view."
);
});
function isInViewport(element, win) {
const { top, left, bottom, right } = element.getBoundingClientRect();
return (
top >= 0 &&
bottom <= win.innerHeight &&
left >= 0 &&
right <= win.innerWidth
);
}
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