/** Doxygen Awesome https://github.com/jothepro/doxygen-awesome-css MIT License Copyright (c) 2021 - 2022 jothepro Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ class DoxygenAwesomeDarkModeToggle extends HTMLElement { // SVG icons from https://fonts.google.com/icons // Licensed under the Apache 2.0 license: // https://www.apache.org/licenses/LICENSE-2.0.html static lightModeIcon = `` static darkModeIcon = `` static title = "Toggle Light/Dark Mode" static prefersLightModeInDarkModeKey = "prefers-light-mode-in-dark-mode" static prefersDarkModeInLightModeKey = "prefers-dark-mode-in-light-mode" static _staticConstructor = function() { DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.userPreference) // Update the color scheme when the browsers preference changes // without user interaction on the website. window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => { DoxygenAwesomeDarkModeToggle.onSystemPreferenceChanged() }) // Update the color scheme when the tab is made visible again. // It is possible that the appearance was changed in another tab // while this tab was in the background. document.addEventListener("visibilitychange", visibilityState => { if (document.visibilityState === 'visible') { DoxygenAwesomeDarkModeToggle.onSystemPreferenceChanged() } }); }() static init() { $(function() { $(document).ready(function() { const toggleButton = document.createElement('doxygen-awesome-dark-mode-toggle') toggleButton.title = DoxygenAwesomeDarkModeToggle.title toggleButton.updateIcon() window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => { toggleButton.updateIcon() }) document.addEventListener("visibilitychange", visibilityState => { if (document.visibilityState === 'visible') { toggleButton.updateIcon() } }); $(document).ready(function(){ document.getElementById("MSearchBox").parentNode.appendChild(toggleButton) }) $(window).resize(function(){ document.getElementById("MSearchBox").parentNode.appendChild(toggleButton) }) }) }) } constructor() { super(); this.onclick=this.toggleDarkMode } /** * @returns `true` for dark-mode, `false` for light-mode system preference */ static get systemPreference() { return window.matchMedia('(prefers-color-scheme: dark)').matches } /** * @returns `true` for dark-mode, `false` for light-mode user preference */ static get userPreference() { return (!DoxygenAwesomeDarkModeToggle.systemPreference && localStorage.getItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey)) || (DoxygenAwesomeDarkModeToggle.systemPreference && !localStorage.getItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey)) } static set userPreference(userPreference) { DoxygenAwesomeDarkModeToggle.darkModeEnabled = userPreference if(!userPreference) { if(DoxygenAwesomeDarkModeToggle.systemPreference) { localStorage.setItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey, true) } else { localStorage.removeItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey) } } else { if(!DoxygenAwesomeDarkModeToggle.systemPreference) { localStorage.setItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey, true) } else { localStorage.removeItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey) } } DoxygenAwesomeDarkModeToggle.onUserPreferenceChanged() } static enableDarkMode(enable) { if(enable) { DoxygenAwesomeDarkModeToggle.darkModeEnabled = true document.documentElement.classList.add("dark-mode") document.documentElement.classList.remove("light-mode") } else { DoxygenAwesomeDarkModeToggle.darkModeEnabled = false document.documentElement.classList.remove("dark-mode") document.documentElement.classList.add("light-mode") } } static onSystemPreferenceChanged() { DoxygenAwesomeDarkModeToggle.darkModeEnabled = DoxygenAwesomeDarkModeToggle.userPreference DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled) } static onUserPreferenceChanged() { DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled) } toggleDarkMode() { DoxygenAwesomeDarkModeToggle.userPreference = !DoxygenAwesomeDarkModeToggle.userPreference this.updateIcon() } updateIcon() { if(DoxygenAwesomeDarkModeToggle.darkModeEnabled) { this.innerHTML = DoxygenAwesomeDarkModeToggle.darkModeIcon } else { this.innerHTML = DoxygenAwesomeDarkModeToggle.lightModeIcon } } } customElements.define("doxygen-awesome-dark-mode-toggle", DoxygenAwesomeDarkModeToggle);