fune/browser/components/firefoxview/firefoxview-next.mjs

73 lines
2.2 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
let pageList = [];
function onHashChange() {
changePage(document.location.hash.substring(1));
}
function changePage(page) {
let navigation = document.querySelector("fxview-category-navigation");
if (page && !pageList.includes(page)) {
page = "recentbrowsing";
document.location.hash = "recentbrowsing";
}
document.querySelector("named-deck").selectedViewName = page || pageList[0];
navigation.currentCategory = page || pageList[0];
if (navigation.categoryButtons.includes(document.activeElement)) {
let currentCategoryButton = navigation.categoryButtons.find(
categoryButton => categoryButton.name === page
);
(currentCategoryButton || navigation.categoryButtons[0]).focus();
}
// Record telemetry
Services.telemetry.recordEvent(
"firefoxview_next",
"change_page",
"navigation",
null,
{
page: navigation.currentCategory,
}
);
}
window.addEventListener("DOMContentLoaded", async () => {
Services.telemetry.setEventRecordingEnabled("firefoxview_next", true);
let navigation = document.querySelector("fxview-category-navigation");
for (const item of navigation.categoryButtons) {
pageList.push(item.getAttribute("name"));
}
window.addEventListener("hashchange", onHashChange);
window.addEventListener("change-category", function (event) {
location.hash = event.target.getAttribute("name");
});
if (document.location.hash) {
changePage(document.location.hash.substring(1));
}
});
document
.querySelector("named-deck")
.addEventListener("view-changed", async event => {
for (const child of event.target.children) {
if (child.getAttribute("name") == event.target.selectedViewName) {
child.enter();
} else {
child.exit();
}
}
});
window.addEventListener(
"unload",
() => {
// Clear out the document so the disconnectedCallback will trigger
// properly and all of the custom elements can cleanup.
document.body.textContent = "";
},
{ once: true }
);