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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
requestLongerTimeout(2);
// Tests that selecting a node using the browser context menu (inspect element)
// or the element picker focuses that node so that the keyboard can be used
// immediately.
const TEST_URL = "data:text/html;charset=utf8,<div>test element</div>";
add_task(async function () {
const { inspector } = await openInspectorForURL(TEST_URL);
info("Select the test node with the browser ctx menu");
await clickOnInspectMenuItem("div");
assertNodeSelected(inspector, "div");
info(
"Press arrowUp to focus <body> " +
"(which works if the node was focused properly)"
);
await selectPreviousNodeWithArrowUp(inspector);
assertNodeSelected(inspector, "body");
info("Select the test node with the element picker");
await selectWithElementPicker(inspector);
assertNodeSelected(inspector, "div");
info(
"Press arrowUp to focus <body> " +
"(which works if the node was focused properly)"
);
await selectPreviousNodeWithArrowUp(inspector);
assertNodeSelected(inspector, "body");
});
function assertNodeSelected(inspector, tagName) {
is(
inspector.selection.nodeFront.tagName.toLowerCase(),
tagName,
`The <${tagName}> node is selected`
);
}
function selectPreviousNodeWithArrowUp(inspector) {
const { waitForHighlighterTypeShown } = getHighlighterTestHelpers(inspector);
const onNodeHighlighted = waitForHighlighterTypeShown(
inspector.highlighters.TYPES.BOXMODEL
);
const onUpdated = inspector.once("inspector-updated");
EventUtils.synthesizeKey("KEY_ArrowUp");
return Promise.all([onUpdated, onNodeHighlighted]);
}
async function selectWithElementPicker(inspector) {
await startPicker(inspector.toolbox);
await safeSynthesizeMouseEventAtCenterInContentPage(
"div",
{
type: "mousemove",
},
gBrowser.selectedBrowser
);
BrowserTestUtils.synthesizeKey("KEY_Enter", {}, gBrowser.selectedBrowser);
await inspector.once("inspector-updated");
}