101 lines
2.3 KiB
HTML
101 lines
2.3 KiB
HTML
|
<!--
|
||
|
|
Switch the mode between dark and light.
|
||
|
|
|
||
|
|
v2.1
|
||
|
|
https://github.com/cotes2020/jekyll-theme-chirpy
|
||
|
|
© 2020 Cotes Chung
|
||
|
|
MIT License
|
||
|
|
-->
|
||
|
|
|
||
|
|
<i id="mode-toggle"></i>
|
||
|
|
|
||
|
|
<script type="text/javascript">
|
||
|
|
|
||
|
|
class ModeToggle {
|
||
|
|
static get MODE_KEY() { return "mode"; }
|
||
|
|
static get DARK_MODE() { return "dark"; }
|
||
|
|
static get LIGHT_MODE() { return "light"; }
|
||
|
|
|
||
|
|
constructor() {
|
||
|
|
if (this.isSysDarkMode) {
|
||
|
|
ModeToggle.setLightIcon();
|
||
|
|
} else {
|
||
|
|
ModeToggle.setDarkIcon();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.mode != null) {
|
||
|
|
if (this.mode == ModeToggle.DARK_MODE) {
|
||
|
|
ModeToggle.setDark();
|
||
|
|
} else if (this.mode == ModeToggle.LIGHT_MODE) {
|
||
|
|
ModeToggle.setLight();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var self = this;
|
||
|
|
|
||
|
|
/* always follow system prefers */
|
||
|
|
this.sysDarkPrefers.addListener(function() {
|
||
|
|
if (self.isSysDarkMode) {
|
||
|
|
ModeToggle.setDark();
|
||
|
|
} else {
|
||
|
|
ModeToggle.setLight();
|
||
|
|
}
|
||
|
|
ModeToggle.clearMode();
|
||
|
|
});
|
||
|
|
|
||
|
|
} /* constructor() */
|
||
|
|
|
||
|
|
static setDarkIcon() {
|
||
|
|
$("#mode-toggle").removeClass("fas fa-sun").addClass("fas fa-moon");
|
||
|
|
}
|
||
|
|
|
||
|
|
static setLightIcon() {
|
||
|
|
$("#mode-toggle").removeClass("fas fa-moon").addClass("fas fa-sun");
|
||
|
|
}
|
||
|
|
|
||
|
|
static setDark() {
|
||
|
|
ModeToggle.setLightIcon();
|
||
|
|
sessionStorage.setItem(ModeToggle.MODE_KEY, ModeToggle.DARK_MODE);
|
||
|
|
$('html').removeClass('light-mode').addClass('dark-mode');
|
||
|
|
}
|
||
|
|
|
||
|
|
static setLight() {
|
||
|
|
ModeToggle.setDarkIcon();
|
||
|
|
sessionStorage.setItem(ModeToggle.MODE_KEY, ModeToggle.LIGHT_MODE);
|
||
|
|
$('html').removeClass('dark-mode').addClass('light-mode');
|
||
|
|
}
|
||
|
|
|
||
|
|
static clearMode() {
|
||
|
|
sessionStorage.removeItem(ModeToggle.MODE_KEY);
|
||
|
|
}
|
||
|
|
|
||
|
|
get sysDarkPrefers() {
|
||
|
|
return window.matchMedia("(prefers-color-scheme: dark)");
|
||
|
|
}
|
||
|
|
|
||
|
|
get isSysDarkMode() {
|
||
|
|
return this.sysDarkPrefers.matches;
|
||
|
|
}
|
||
|
|
|
||
|
|
get mode() {
|
||
|
|
return sessionStorage.getItem(ModeToggle.MODE_KEY);
|
||
|
|
}
|
||
|
|
|
||
|
|
flipMode() {
|
||
|
|
if ((this.mode == null && this.isSysDarkMode) ||
|
||
|
|
this.mode == ModeToggle.DARK_MODE) {
|
||
|
|
ModeToggle.setLight();
|
||
|
|
} else { /* light mode or default-light */
|
||
|
|
ModeToggle.setDark();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} /* ModeToggle */
|
||
|
|
|
||
|
|
let toggle = new ModeToggle();
|
||
|
|
|
||
|
|
$("#mode-toggle").click(function() {
|
||
|
|
toggle.flipMode();
|
||
|
|
});
|
||
|
|
|
||
|
|
</script>
|