103 lines
2.7 KiB
HTML
103 lines
2.7 KiB
HTML
<div class="theme-toggle">
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<input type="checkbox" id="theme-switch">
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<label for="theme-switch">
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<div class="toggle"></div>
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<div class="names">
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<p class="light">Light</p>
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<p class="dark">Dark</p>
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</div>
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</label>
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</div>
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{%- assign name = 'night_mode' -%}
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{%- include functions.html func='get_value' default='auto' -%}
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{%- assign night_mode = return -%}
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<script>
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(function() {
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var sw = document.getElementById('theme-switch');
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var html = document.getElementsByTagName('html')[0];
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var themeData = loadThemeData();
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function saveThemeData(data) {
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localStorage.setItem('theme', JSON.stringify(data));
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}
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function loadThemeData() {
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var data = localStorage.getItem('theme');
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try {
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data = JSON.parse(data ? data : '');
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} catch(e) {
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data = { nightShift: false, autoToggleAt: 0 };
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saveThemeData(data);
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}
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return data;
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}
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function handleThemeToggle(nightShift) {
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themeData.nightShift = nightShift;
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saveThemeData(themeData);
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html.dataset.theme = nightShift ? 'dark' : 'light';
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setTimeout(function() {
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sw.checked = nightShift ? true : false;
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}, 50);
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}
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function autoThemeToggle() {
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// Next time point of theme toggle
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var now = new Date();
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var toggleAt = new Date();
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var hours = now.getHours();
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var nightShift = hours >= 19 || hours <=7;
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if (nightShift) {
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if (hours > 7) {
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toggleAt.setDate(toggleAt.getDate() + 1);
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}
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toggleAt.setHours(7);
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} else {
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toggleAt.setHours(19);
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}
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toggleAt.setMinutes(0);
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toggleAt.setSeconds(0);
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toggleAt.setMilliseconds(0)
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var delay = toggleAt.getTime() - now.getTime();
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// auto toggle theme mode
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setTimeout(function() {
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handleThemeToggle(!nightShift);
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}, delay);
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return {
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nightShift: nightShift,
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toggleAt: toggleAt.getTime()
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};
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}
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// Listen the theme toggle event
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sw.addEventListener('change', function(event) {
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handleThemeToggle(event.target.checked);
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});
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var nightModeOption = '{{ night_mode }}';
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nightModeOption = nightModeOption.toLowerCase();
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if (nightModeOption == 'auto') {
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var data = autoThemeToggle();
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// Toggle theme by local setting
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if (data.toggleAt > themeData.autoToggleAt) {
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themeData.autoToggleAt = data.toggleAt;
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handleThemeToggle(data.nightShift);
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} else {
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handleThemeToggle(themeData.nightShift);
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}
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} else if (nightModeOption == 'mannual') {
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handleThemeToggle(themeData.nightShift);
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} else {
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handleThemeToggle(nightModeOption == 'on');
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}
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})();
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</script>
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