kopia lustrzana https://github.com/iv-org/invidious
59 wiersze
2.1 KiB
JavaScript
59 wiersze
2.1 KiB
JavaScript
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.getElementById('dark_theme').media === 'none';
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var url = '/toggle_theme?redirect=false';
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var xhr = new XMLHttpRequest();
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xhr.responseType = 'json';
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xhr.timeout = 10000;
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xhr.open('GET', url, true);
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set_mode(dark_mode);
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window.localStorage.setItem('dark_mode', dark_mode ? 'dark' : 'light');
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xhr.send();
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});
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window.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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window.addEventListener('load', function () {
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window.localStorage.setItem('dark_mode', document.getElementById('dark_mode_pref').textContent);
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// Update localStorage if dark mode preference changed on preferences page
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update_mode(window.localStorage.dark_mode);
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});
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function set_mode (bool) {
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document.getElementById('dark_theme').media = !bool ? 'none' : '';
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document.getElementById('light_theme').media = bool ? 'none' : '';
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if (bool) {
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toggle_theme.children[0].setAttribute('class', 'icon ion-ios-sunny');
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} else {
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toggle_theme.children[0].setAttribute('class', 'icon ion-ios-moon');
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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 compaibility */ || 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 === '' && window.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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