hardlounge/client/js/utils.js

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JavaScript
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2017-05-18 20:08:54 +00:00
"use strict";
const $ = require("jquery");
const input = $("#input");
module.exports = {
confirmExit,
forceFocus,
move,
resetHeight,
setNick,
toggleNickEditor,
toggleNotificationMarkers,
requestIdleCallback,
2017-05-18 20:08:54 +00:00
};
function resetHeight(element) {
element.style.height = element.style.minHeight;
}
// Triggering click event opens the virtual keyboard on mobile
// This can only be called from another interactive event (e.g. button click)
function forceFocus() {
input.trigger("click").focus();
}
function toggleNickEditor(toggle) {
$("#nick").toggleClass("editable", toggle);
$("#nick-value").attr("contenteditable", toggle);
}
function setNick(nick) {
// Closes the nick editor when canceling, changing channel, or when a nick
// is set in a different tab / browser / device.
toggleNickEditor(false);
$("#nick-value").text(nick);
}
const favicon = $("#favicon");
function toggleNotificationMarkers(newState) {
// Toggles the favicon to red when there are unread notifications
if (favicon.data("toggled") !== newState) {
var old = favicon.attr("href");
favicon.attr("href", favicon.data("other"));
favicon.data("other", old);
favicon.data("toggled", newState);
}
// Toggles a dot on the menu icon when there are unread notifications
$("#viewport .lt").toggleClass("notified", newState);
}
function confirmExit() {
if ($("body").hasClass("public")) {
window.onbeforeunload = function() {
return "Are you sure you want to navigate away from this page?";
};
}
}
function move(array, old_index, new_index) {
if (new_index >= array.length) {
let k = new_index - array.length;
while ((k--) + 1) {
this.push(undefined);
}
}
array.splice(new_index, 0, array.splice(old_index, 1)[0]);
return array;
}
function requestIdleCallback(callback, timeout) {
if (window.requestIdleCallback) {
// During an idle period the user agent will run idle callbacks in FIFO order
// until either the idle period ends or there are no more idle callbacks eligible to be run.
window.requestIdleCallback(callback, {timeout: timeout});
} else {
callback();
}
}