You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.7 KiB
JavaScript
79 lines
2.7 KiB
JavaScript
'use strict';
|
|
var toggle_theme = document.getElementById('toggle_theme');
|
|
toggle_theme.href = 'javascript:void(0)';
|
|
|
|
toggle_theme.addEventListener('click', function () {
|
|
var dark_mode = document.body.classList.contains('light-theme');
|
|
|
|
set_mode(dark_mode);
|
|
helpers.storage.set('dark_mode', dark_mode ? 'dark' : 'light');
|
|
|
|
helpers.xhr('GET', '/toggle_theme?redirect=false', {}, {});
|
|
});
|
|
|
|
// Handles theme change event caused by other tab
|
|
addEventListener('storage', function (e) {
|
|
if (e.key === 'dark_mode') {
|
|
update_mode(e.newValue);
|
|
}
|
|
});
|
|
|
|
addEventListener('DOMContentLoaded', function () {
|
|
const dark_mode = document.getElementById('dark_mode_pref').textContent;
|
|
// Update storage if dark mode preference changed on preferences page
|
|
helpers.storage.set('dark_mode', dark_mode);
|
|
update_mode(dark_mode);
|
|
});
|
|
|
|
|
|
var darkScheme = matchMedia('(prefers-color-scheme: dark)');
|
|
var lightScheme = matchMedia('(prefers-color-scheme: light)');
|
|
|
|
darkScheme.addListener(scheme_switch);
|
|
lightScheme.addListener(scheme_switch);
|
|
|
|
function scheme_switch (e) {
|
|
// ignore this method if we have a preference set
|
|
if (helpers.storage.get('dark_mode')) return;
|
|
|
|
if (!e.matches) return;
|
|
|
|
if (e.media.includes('dark')) {
|
|
set_mode(true);
|
|
} else if (e.media.includes('light')) {
|
|
set_mode(false);
|
|
}
|
|
}
|
|
|
|
function set_mode (bool) {
|
|
if (bool) {
|
|
// dark
|
|
toggle_theme.children[0].setAttribute('class', 'icon ion-ios-sunny');
|
|
document.body.classList.remove('no-theme');
|
|
document.body.classList.remove('light-theme');
|
|
document.body.classList.add('dark-theme');
|
|
} else {
|
|
// light
|
|
toggle_theme.children[0].setAttribute('class', 'icon ion-ios-moon');
|
|
document.body.classList.remove('no-theme');
|
|
document.body.classList.remove('dark-theme');
|
|
document.body.classList.add('light-theme');
|
|
}
|
|
}
|
|
|
|
function update_mode (mode) {
|
|
if (mode === 'true' /* for backwards compatibility */ || mode === 'dark') {
|
|
// If preference for dark mode indicated
|
|
set_mode(true);
|
|
}
|
|
else if (mode === 'false' /* for backwards compatibility */ || mode === 'light') {
|
|
// If preference for light mode indicated
|
|
set_mode(false);
|
|
}
|
|
else if (document.getElementById('dark_mode_pref').textContent === '' && matchMedia('(prefers-color-scheme: dark)').matches) {
|
|
// If no preference indicated here and no preference indicated on the preferences page (backend), but the browser tells us that the operating system has a dark theme
|
|
set_mode(true);
|
|
}
|
|
// else do nothing, falling back to the mode defined by the `dark_mode` preference on the preferences page (backend)
|
|
}
|