mirror of
https://gitea.invidious.io/iv-org/invidious.git
synced 2024-08-15 00:53:41 +00:00
79 lines
2.7 KiB
JavaScript
79 lines
2.7 KiB
JavaScript
'use strict';
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var toggle_theme = document.getElementById('toggle_theme');
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toggle_theme.href = 'javascript:void(0)';
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toggle_theme.addEventListener('click', function () {
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var dark_mode = document.body.classList.contains('light-theme');
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set_mode(dark_mode);
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helpers.storage.set('dark_mode', dark_mode ? 'dark' : 'light');
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helpers.xhr('GET', '/toggle_theme?redirect=false', {}, {});
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});
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// Handles theme change event caused by other tab
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addEventListener('storage', function (e) {
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if (e.key === 'dark_mode') {
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update_mode(e.newValue);
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}
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});
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addEventListener('DOMContentLoaded', function () {
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const dark_mode = document.getElementById('dark_mode_pref').textContent;
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// Update storage if dark mode preference changed on preferences page
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helpers.storage.set('dark_mode', dark_mode);
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update_mode(dark_mode);
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});
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var darkScheme = matchMedia('(prefers-color-scheme: dark)');
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var lightScheme = matchMedia('(prefers-color-scheme: light)');
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darkScheme.addListener(scheme_switch);
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lightScheme.addListener(scheme_switch);
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function scheme_switch (e) {
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// ignore this method if we have a preference set
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if (helpers.storage.get('dark_mode')) return;
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if (!e.matches) return;
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if (e.media.includes('dark')) {
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set_mode(true);
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} else if (e.media.includes('light')) {
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set_mode(false);
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}
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}
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function set_mode (bool) {
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if (bool) {
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// dark
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toggle_theme.children[0].setAttribute('class', 'icon ion-ios-sunny');
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document.body.classList.remove('no-theme');
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document.body.classList.remove('light-theme');
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document.body.classList.add('dark-theme');
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} else {
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// light
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toggle_theme.children[0].setAttribute('class', 'icon ion-ios-moon');
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document.body.classList.remove('no-theme');
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document.body.classList.remove('dark-theme');
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document.body.classList.add('light-theme');
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}
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}
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function update_mode (mode) {
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if (mode === 'true' /* for backwards compatibility */ || mode === 'dark') {
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// If preference for dark mode indicated
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set_mode(true);
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}
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else if (mode === 'false' /* for backwards compatibility */ || mode === 'light') {
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// If preference for light mode indicated
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set_mode(false);
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}
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else if (document.getElementById('dark_mode_pref').textContent === '' && matchMedia('(prefers-color-scheme: dark)').matches) {
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// 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
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set_mode(true);
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}
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// else do nothing, falling back to the mode defined by the `dark_mode` preference on the preferences page (backend)
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}
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