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not displaying button when prefers-reduced-motion is set to reduce #30

This commit is contained in:
Adrian Rosin 2024-02-19 09:48:41 +01:00
parent 47a8f70c00
commit 489e7b9e4f
1 changed files with 30 additions and 21 deletions
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51
static/script-bon.js
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@ -6,6 +6,8 @@ document.addEventListener('DOMContentLoaded', function() {
function setupPage() {
// Checks if the user didn't enable prefers-reduced-motion
let animationEnabled = window.matchMedia('(prefers-reduced-motion: no-preference)').matches;
// Boolean to keep track of current animation state, starts at true because it is linked to the button which is only displayed when animationEnabled is true
let currentAnimationState = true;
// Dictionary to keep track of animation intervals
let animationIntervals = {};
// Dictionary to keep track of delay count for each animation
@ -93,7 +95,7 @@ function setupPage() {
function toggleAnimation() {
// Play or pause the animations based on current state
if (animationEnabled) {
if (currentAnimationState) {
// Pause the animations
toggleable.style.display = 'none';
imgTopToggleable.style.display = 'block';
@ -111,34 +113,41 @@ function setupPage() {
});
}
// Toggle animation state
animationEnabled = !animationEnabled;
currentAnimationState = !currentAnimationState;
}
let lastScrollTop = 0;
let isCallbackRegistered = false;
window.addEventListener("scroll", function() {
if (!isCallbackRegistered) {
window.requestAnimationFrame(function() {
let currentPosition = window.scrollY || document.documentElement.scrollTop;
const toggleButton = document.querySelectorAll('.toggleButton');
const toggleButton = document.querySelectorAll('.toggleButton');
if (animationEnabled) {
if (!isCallbackRegistered) {
window.requestAnimationFrame(function () {
let currentPosition = window.scrollY || document.documentElement.scrollTop;
if (currentPosition > lastScrollTop) {
// Scroll down
toggleButton.forEach(button => {
button.style.display = "none";
});
} else {
// Scroll up
toggleButton.forEach(button => {
button.style.display = "block";
});
}
lastScrollTop = currentPosition <= 0 ? 0 : currentPosition; // For Mobile or negative scrolling
isCallbackRegistered = false;
if (currentPosition > lastScrollTop) {
// Scroll down
toggleButton.forEach(button => {
button.style.display = "none";
});
} else {
// Scroll up
toggleButton.forEach(button => {
button.style.display = "block";
});
}
lastScrollTop = currentPosition <= 0 ? 0 : currentPosition; // For Mobile or negative scrolling
isCallbackRegistered = false;
});
isCallbackRegistered = true;
}
}
else {
toggleButton.forEach(button => {
button.style.display = "none";
});
isCallbackRegistered = true;
}
});
}