116 lines
4.8 KiB
JavaScript
116 lines
4.8 KiB
JavaScript
/**
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Doxygen Awesome
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https://github.com/jothepro/doxygen-awesome-css
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MIT License
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Copyright (c) 2021 jothepro
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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class DoxygenAwesomeDarkModeToggle extends HTMLElement {
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static prefersLightModeInDarkModeKey = "prefers-light-mode-in-dark-mode"
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static prefersDarkModeInLightModeKey = "prefers-dark-mode-in-light-mode"
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static _staticConstructor = function() {
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DoxygenAwesomeDarkModeToggle.darkModeEnabled = DoxygenAwesomeDarkModeToggle.userPreference
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DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled)
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// Update the color scheme when the browsers preference changes
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// without user interaction on the website.
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window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => {
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DoxygenAwesomeDarkModeToggle.onSystemPreferenceChanged()
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})
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// Update the color scheme when the tab is made visible again.
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// It is possible that the appearance was changed in another tab
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// while this tab was in the background.
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document.addEventListener("visibilitychange", visibilityState => {
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if (document.visibilityState === 'visible') {
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DoxygenAwesomeDarkModeToggle.onSystemPreferenceChanged()
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}
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});
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}()
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constructor() {
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super();
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this.onclick=this.toggleDarkMode
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}
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/**
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* @returns `true` for dark-mode, `false` for light-mode system preference
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*/
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static get systemPreference() {
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return window.matchMedia('(prefers-color-scheme: dark)').matches
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}
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/**
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* @returns `true` for dark-mode, `false` for light-mode user preference
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*/
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static get userPreference() {
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return (!DoxygenAwesomeDarkModeToggle.systemPreference && localStorage.getItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey)) ||
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(DoxygenAwesomeDarkModeToggle.systemPreference && !localStorage.getItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey))
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}
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static set userPreference(userPreference) {
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DoxygenAwesomeDarkModeToggle.darkModeEnabled = userPreference
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if(!userPreference) {
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if(DoxygenAwesomeDarkModeToggle.systemPreference) {
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localStorage.setItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey, true)
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} else {
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localStorage.removeItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey)
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}
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} else {
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if(!DoxygenAwesomeDarkModeToggle.systemPreference) {
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localStorage.setItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey, true)
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} else {
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localStorage.removeItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey)
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}
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}
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DoxygenAwesomeDarkModeToggle.onUserPreferenceChanged()
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}
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static enableDarkMode(enable) {
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let head = document.getElementsByTagName('head')[0]
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if(enable) {
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document.documentElement.classList.add("dark-mode")
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document.documentElement.classList.remove("light-mode")
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} else {
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document.documentElement.classList.remove("dark-mode")
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document.documentElement.classList.add("light-mode")
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}
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}
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static onSystemPreferenceChanged() {
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DoxygenAwesomeDarkModeToggle.darkModeEnabled = DoxygenAwesomeDarkModeToggle.userPreference
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DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled)
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}
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static onUserPreferenceChanged() {
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DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled)
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}
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toggleDarkMode() {
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DoxygenAwesomeDarkModeToggle.userPreference = !DoxygenAwesomeDarkModeToggle.userPreference
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}
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}
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customElements.define("doxygen-awesome-dark-mode-toggle", DoxygenAwesomeDarkModeToggle);
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