|
| 1 | +/** |
| 2 | +
|
| 3 | +Doxygen Awesome |
| 4 | +https://github.com/jothepro/doxygen-awesome-css |
| 5 | +
|
| 6 | +MIT License |
| 7 | +
|
| 8 | +Copyright (c) 2021 - 2023 jothepro |
| 9 | +
|
| 10 | +Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | +of this software and associated documentation files (the "Software"), to deal |
| 12 | +in the Software without restriction, including without limitation the rights |
| 13 | +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | +copies of the Software, and to permit persons to whom the Software is |
| 15 | +furnished to do so, subject to the following conditions: |
| 16 | +
|
| 17 | +The above copyright notice and this permission notice shall be included in all |
| 18 | +copies or substantial portions of the Software. |
| 19 | +
|
| 20 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 26 | +SOFTWARE. |
| 27 | +
|
| 28 | +*/ |
| 29 | + |
| 30 | +class DoxygenAwesomeDarkModeToggle extends HTMLElement { |
| 31 | + // SVG icons from https://fonts.google.com/icons |
| 32 | + // Licensed under the Apache 2.0 license: |
| 33 | + // https://www.apache.org/licenses/LICENSE-2.0.html |
| 34 | + static lightModeIcon = `<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#FCBF00"><rect fill="none" height="24" width="24"/><circle cx="12" cy="12" opacity=".3" r="3"/><path d="M12,9c1.65,0,3,1.35,3,3s-1.35,3-3,3s-3-1.35-3-3S10.35,9,12,9 M12,7c-2.76,0-5,2.24-5,5s2.24,5,5,5s5-2.24,5-5 S14.76,7,12,7L12,7z M2,13l2,0c0.55,0,1-0.45,1-1s-0.45-1-1-1l-2,0c-0.55,0-1,0.45-1,1S1.45,13,2,13z M20,13l2,0c0.55,0,1-0.45,1-1 s-0.45-1-1-1l-2,0c-0.55,0-1,0.45-1,1S19.45,13,20,13z M11,2v2c0,0.55,0.45,1,1,1s1-0.45,1-1V2c0-0.55-0.45-1-1-1S11,1.45,11,2z M11,20v2c0,0.55,0.45,1,1,1s1-0.45,1-1v-2c0-0.55-0.45-1-1-1C11.45,19,11,19.45,11,20z M5.99,4.58c-0.39-0.39-1.03-0.39-1.41,0 c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0s0.39-1.03,0-1.41L5.99,4.58z M18.36,16.95 c-0.39-0.39-1.03-0.39-1.41,0c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0c0.39-0.39,0.39-1.03,0-1.41 L18.36,16.95z M19.42,5.99c0.39-0.39,0.39-1.03,0-1.41c-0.39-0.39-1.03-0.39-1.41,0l-1.06,1.06c-0.39,0.39-0.39,1.03,0,1.41 s1.03,0.39,1.41,0L19.42,5.99z M7.05,18.36c0.39-0.39,0.39-1.03,0-1.41c-0.39-0.39-1.03-0.39-1.41,0l-1.06,1.06 c-0.39,0.39-0.39,1.03,0,1.41s1.03,0.39,1.41,0L7.05,18.36z"/></svg>` |
| 35 | + static darkModeIcon = `<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#FE9700"><rect fill="none" height="24" width="24"/><path d="M9.37,5.51C9.19,6.15,9.1,6.82,9.1,7.5c0,4.08,3.32,7.4,7.4,7.4c0.68,0,1.35-0.09,1.99-0.27 C17.45,17.19,14.93,19,12,19c-3.86,0-7-3.14-7-7C5,9.07,6.81,6.55,9.37,5.51z" opacity=".3"/><path d="M9.37,5.51C9.19,6.15,9.1,6.82,9.1,7.5c0,4.08,3.32,7.4,7.4,7.4c0.68,0,1.35-0.09,1.99-0.27C17.45,17.19,14.93,19,12,19 c-3.86,0-7-3.14-7-7C5,9.07,6.81,6.55,9.37,5.51z M12,3c-4.97,0-9,4.03-9,9s4.03,9,9,9s9-4.03,9-9c0-0.46-0.04-0.92-0.1-1.36 c-0.98,1.37-2.58,2.26-4.4,2.26c-2.98,0-5.4-2.42-5.4-5.4c0-1.81,0.89-3.42,2.26-4.4C12.92,3.04,12.46,3,12,3L12,3z"/></svg>` |
| 36 | + static title = "Toggle Light/Dark Mode" |
| 37 | + |
| 38 | + static prefersLightModeInDarkModeKey = "prefers-light-mode-in-dark-mode" |
| 39 | + static prefersDarkModeInLightModeKey = "prefers-dark-mode-in-light-mode" |
| 40 | + |
| 41 | + static _staticConstructor = function() { |
| 42 | + DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.userPreference) |
| 43 | + // Update the color scheme when the browsers preference changes |
| 44 | + // without user interaction on the website. |
| 45 | + window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => { |
| 46 | + DoxygenAwesomeDarkModeToggle.onSystemPreferenceChanged() |
| 47 | + }) |
| 48 | + // Update the color scheme when the tab is made visible again. |
| 49 | + // It is possible that the appearance was changed in another tab |
| 50 | + // while this tab was in the background. |
| 51 | + document.addEventListener("visibilitychange", visibilityState => { |
| 52 | + if (document.visibilityState === 'visible') { |
| 53 | + DoxygenAwesomeDarkModeToggle.onSystemPreferenceChanged() |
| 54 | + } |
| 55 | + }); |
| 56 | + }() |
| 57 | + |
| 58 | + static init() { |
| 59 | + $(function() { |
| 60 | + $(document).ready(function() { |
| 61 | + const toggleButton = document.createElement('doxygen-awesome-dark-mode-toggle') |
| 62 | + toggleButton.title = DoxygenAwesomeDarkModeToggle.title |
| 63 | + toggleButton.updateIcon() |
| 64 | + |
| 65 | + window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => { |
| 66 | + toggleButton.updateIcon() |
| 67 | + }) |
| 68 | + document.addEventListener("visibilitychange", visibilityState => { |
| 69 | + if (document.visibilityState === 'visible') { |
| 70 | + toggleButton.updateIcon() |
| 71 | + } |
| 72 | + }); |
| 73 | + |
| 74 | + $(document).ready(function(){ |
| 75 | + document.getElementById("MSearchBox").parentNode.appendChild(toggleButton) |
| 76 | + }) |
| 77 | + $(window).resize(function(){ |
| 78 | + document.getElementById("MSearchBox").parentNode.appendChild(toggleButton) |
| 79 | + }) |
| 80 | + }) |
| 81 | + }) |
| 82 | + } |
| 83 | + |
| 84 | + constructor() { |
| 85 | + super(); |
| 86 | + this.onclick=this.toggleDarkMode |
| 87 | + } |
| 88 | + |
| 89 | + /** |
| 90 | + * @returns `true` for dark-mode, `false` for light-mode system preference |
| 91 | + */ |
| 92 | + static get systemPreference() { |
| 93 | + return window.matchMedia('(prefers-color-scheme: dark)').matches |
| 94 | + } |
| 95 | + |
| 96 | + /** |
| 97 | + * @returns `true` for dark-mode, `false` for light-mode user preference |
| 98 | + */ |
| 99 | + static get userPreference() { |
| 100 | + return (!DoxygenAwesomeDarkModeToggle.systemPreference && localStorage.getItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey)) || |
| 101 | + (DoxygenAwesomeDarkModeToggle.systemPreference && !localStorage.getItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey)) |
| 102 | + } |
| 103 | + |
| 104 | + static set userPreference(userPreference) { |
| 105 | + DoxygenAwesomeDarkModeToggle.darkModeEnabled = userPreference |
| 106 | + if(!userPreference) { |
| 107 | + if(DoxygenAwesomeDarkModeToggle.systemPreference) { |
| 108 | + localStorage.setItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey, true) |
| 109 | + } else { |
| 110 | + localStorage.removeItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey) |
| 111 | + } |
| 112 | + } else { |
| 113 | + if(!DoxygenAwesomeDarkModeToggle.systemPreference) { |
| 114 | + localStorage.setItem(DoxygenAwesomeDarkModeToggle.prefersDarkModeInLightModeKey, true) |
| 115 | + } else { |
| 116 | + localStorage.removeItem(DoxygenAwesomeDarkModeToggle.prefersLightModeInDarkModeKey) |
| 117 | + } |
| 118 | + } |
| 119 | + DoxygenAwesomeDarkModeToggle.onUserPreferenceChanged() |
| 120 | + } |
| 121 | + |
| 122 | + static enableDarkMode(enable) { |
| 123 | + if(enable) { |
| 124 | + DoxygenAwesomeDarkModeToggle.darkModeEnabled = true |
| 125 | + document.documentElement.classList.add("dark-mode") |
| 126 | + document.documentElement.classList.remove("light-mode") |
| 127 | + } else { |
| 128 | + DoxygenAwesomeDarkModeToggle.darkModeEnabled = false |
| 129 | + document.documentElement.classList.remove("dark-mode") |
| 130 | + document.documentElement.classList.add("light-mode") |
| 131 | + } |
| 132 | + } |
| 133 | + |
| 134 | + static onSystemPreferenceChanged() { |
| 135 | + DoxygenAwesomeDarkModeToggle.darkModeEnabled = DoxygenAwesomeDarkModeToggle.userPreference |
| 136 | + DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled) |
| 137 | + } |
| 138 | + |
| 139 | + static onUserPreferenceChanged() { |
| 140 | + DoxygenAwesomeDarkModeToggle.enableDarkMode(DoxygenAwesomeDarkModeToggle.darkModeEnabled) |
| 141 | + } |
| 142 | + |
| 143 | + toggleDarkMode() { |
| 144 | + DoxygenAwesomeDarkModeToggle.userPreference = !DoxygenAwesomeDarkModeToggle.userPreference |
| 145 | + this.updateIcon() |
| 146 | + } |
| 147 | + |
| 148 | + updateIcon() { |
| 149 | + if(DoxygenAwesomeDarkModeToggle.darkModeEnabled) { |
| 150 | + this.innerHTML = DoxygenAwesomeDarkModeToggle.darkModeIcon |
| 151 | + } else { |
| 152 | + this.innerHTML = DoxygenAwesomeDarkModeToggle.lightModeIcon |
| 153 | + } |
| 154 | + } |
| 155 | +} |
| 156 | + |
| 157 | +customElements.define("doxygen-awesome-dark-mode-toggle", DoxygenAwesomeDarkModeToggle); |
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