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

46 lines
1.3 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 navigation = document.querySelector("#navigation > ul");
let pageList = [];
for (const item of navigation.children) {
pageList.push(item.getAttribute("page"));
item.addEventListener("click", function (event) {
location.hash = event.target.getAttribute("page");
});
}
function onHashChange() {
changePage(document.location.hash.substring(1));
}
function changePage(page) {
if (pageList.includes(page)) {
document.getElementById("pages").selectedViewName = page;
} else {
document.location.hash = pageList[0];
}
}
window.addEventListener("DOMContentLoaded", async () => {
if (document.location.hash) {
changePage(document.location.hash.substring(1));
}
window.addEventListener("hashchange", onHashChange);
});
document
.getElementById("pages")
.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", () => {});