WIP: feat/PausePlayButton closes #16, #30 #34

Draft
adrian wants to merge 16 commits from adrian/site:feat/PausePlayButton into feat/a11y
4 changed files with 1132 additions and 963 deletions

1
.gitignore vendored
View file

@ -2,3 +2,4 @@ public/
node_modules/ node_modules/
*.swp *.swp
.awsclirc .awsclirc
.idea

View file

@ -119,6 +119,31 @@ footer {
margin-bottom: var(--med_margin) margin-bottom: var(--med_margin)
} }
.toggleButton {
position: fixed;
top: 1rem;
right: 1rem;
z-index: 999;
}
.toggleable {
padding-top: 1rem;
color: black;
cursor: pointer;
}
.img_top_toggleable {
display: none;
position: absolute;
top: 1rem;
right: 0;
z-index: 99;
background-color: var(--day-background);
color: darkgreen;
cursor: pointer;
}
/* MENU */ /* MENU */
nav#menu{ nav#menu{
background-color: var(--day-background); background-color: var(--day-background);
@ -236,12 +261,16 @@ pre.center > a{
/* THEME SOMBRE */ /* THEME SOMBRE */
@media (prefers-color-scheme: dark) { @media (prefers-color-scheme: dark) {
div#container, nav#menu, body{ div#container, nav#menu, body, nav#play{
background-color: var(--night-background); background-color: var(--night-background);
} }
p, pre, ul, li, a, a:hover, h1, h2, footer{ p, pre, ul, li, a, a:hover, h1, h2, footer{
color: var(--txt-night); color: var(--txt-night);
} }
.img_top_toggleable, .toggleable {
color: var(--txt-night);
background-color: var(--night-background);
}
.highlight{ .highlight{
color: var(--night-highlight-color); color: var(--night-highlight-color);
background-color: var(--night-highlight-bg); background-color: var(--night-highlight-bg);

File diff suppressed because it is too large Load diff

View file

@ -1,44 +1,166 @@
// dictionary to keep track of frame count for each animation // Loads the script once the document is ready
let frameCounts = {}; document.addEventListener('DOMContentLoaded', function() {
setupPage();
});
function animate(id, delay) { 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
let currentAnimationState = true;
if (!animationEnabled) {
currentAnimationState = false;
}
console.log(currentAnimationState);
// Dictionary to keep track of animation intervals
let animationIntervals = {};
// Dictionary to keep track of delay count for each animation
let delays = {};
// Dictionary to keep track of frame for each animation
let frames = {};
// dictionary to keep track of frame count for each animation
let frameCounts = {};
// Buttons for toggling
const toggleable = document.querySelector('.toggleable');
const imgTopToggleable = document.querySelector('.img_top_toggleable');
// get the container and frames for the amination const illustrationAccueil = document.getElementById('illustration-accueil');
const container = document.getElementById(id); const rennes = document.getElementById('rennes');
const frames = container.children; const orsay = document.getElementById('orsay');
const parterre = document.getElementById('parterre');
// set up the frame counter // Update ARIA live attributes based on prefers-reduced-motion
frameCounts[id] = 0; function setARIALiveAttributes(isAnimated) {
if (isAnimated) {
// hide all frames except for the first illustrationAccueil.setAttribute('aria-live', 'off');
frames[0].style.display = "flex"; rennes.setAttribute('aria-live', 'off');
for (let i = 1; i < frames.length; i++) { orsay.setAttribute('aria-live', 'off');
frames[i].style.display = "none"; parterre.setAttribute('aria-live', 'off');
} else {
illustrationAccueil.setAttribute('aria-live', 'polite');
rennes.setAttribute('aria-live', 'polite');
orsay.setAttribute('aria-live', 'polite');
parterre.setAttribute('aria-live', 'polite');
}
} }
// start the animation function animate(id, delay) {
const interval = setInterval(updateAnimation, delay, id, frames, frames.length); // get the container and frames for the animation
const container = document.getElementById(id);
const framesList = container.children;
} // set up the frame counter
frameCounts[id] = 0;
function updateAnimation(id, frames, totalFrames) { // hide all frames except for the first
framesList[0].style.display = "flex";
for (let i = 1; i < framesList.length; i++) {
framesList[i].style.display = "none";
}
// increment the frame counter for the given id // Stock frames and delay in dictionaries
frameCounts[id] = (frameCounts[id] + 1) % totalFrames; frames[id] = framesList;
delays[id] = delay;
// show the next frame // Update ARIA live attributes
frames[frameCounts[id]].style.display = "flex"; setARIALiveAttributes(true);
// hide the previous frame animationIntervals[id] = setInterval(updateAnimation, delay, id, framesList, framesList.length);
if (frameCounts[id] == 0) {
frames[totalFrames - 1].style.display = "none";
} else {
frames[frameCounts[id] - 1].style.display = "none";
} }
} function updateAnimation(id, framesList, totalFrames) {
// increment the frame counter for the given id
frameCounts[id] = (frameCounts[id] + 1) % totalFrames;
animate("illustration-accueil", 500); // show the next frame
animate("rennes", 1000); framesList[frameCounts[id]].style.display = "flex";
animate("orsay", 2000);
animate("parterre", 1500); // hide the previous frame
if (frameCounts[id] === 0) {
framesList[totalFrames - 1].style.display = "none";
} else {
framesList[frameCounts[id] - 1].style.display = "none";
}
}
console.log(currentAnimationState);
// Start the animation if animation is enabled
if (currentAnimationState) {
animate("illustration-accueil", 500);
animate("rennes", 1000);
animate("orsay", 2000);
animate("parterre", 1500);
}
// Pause the animation if animation is disabled, initialization of the animation is necessary for the first time
else if(!currentAnimationState){
animate("illustration-accueil", 500);
animate("rennes", 1000);
animate("orsay", 2000);
animate("parterre", 1500);
//Display the pause button at first
toggleable.style.display = 'none';
imgTopToggleable.style.display = 'block';
setARIALiveAttributes(false);
Object.keys(animationIntervals).forEach(id => {
clearInterval(animationIntervals[id]);
});
}
const toggleableElements = document.querySelectorAll('.toggleable, .img_top_toggleable');
toggleableElements.forEach(function(element) {
element.addEventListener('click', function() {
toggleAnimation();
});
});
function toggleAnimation() {
// Play or pause the animations based on current state
if (currentAnimationState) {
// Pause the animations
toggleable.style.display = 'none';
imgTopToggleable.style.display = 'block';
setARIALiveAttributes(false);
Object.keys(animationIntervals).forEach(id => {
clearInterval(animationIntervals[id]);
});
} else {
// Play the animations
toggleable.style.display = 'block';
imgTopToggleable.style.display = 'none';
setARIALiveAttributes(true);
Object.keys(animationIntervals).forEach(id => {
animationIntervals[id] = setInterval(updateAnimation, delays[id], id, frames[id], frames[id].length);
});
}
// Toggle animation state
currentAnimationState = !currentAnimationState;
}
let lastScrollTop = 0;
let isCallbackRegistered = false;
window.addEventListener("scroll", function() {
const toggleButton = document.querySelectorAll('.toggleButton');
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;
});
isCallbackRegistered = true;
}
});
}