bouton play/pause done. TODO: dark/light theme switcher

This commit is contained in:
ADRN 2024-08-30 17:03:26 +02:00
parent 4ce9fe785c
commit 694b299d43
2 changed files with 111 additions and 6 deletions

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@ -104,13 +104,14 @@
<h1 id="deuxfleurs"><span role="img" aria-label="2 emojis fleur blanche">💮💮 </span>deuxfleurs</h1>
<div id="toolbar" role="toolbar" aria-orientation="horizontal">
<a role="button" aria-label="Thème clair" href="#">[☀]</a><a class="hidden" role="button" aria-label="Thème sombre" href="#">[☼]</a><span role="separator"> · </span><a role="button" aria-label="Arrêter les animations" href="#">[⏸]</a><a class="hidden" aria-label="Activer les animations" href="#">[⏵]</a>
<!-- <a role="button" aria-label="Changer le thême">[☀]</a><a class="hidden" role="button" aria-label="Thème sombre" href="#">[☼]</a><span role="separator"> · </span><a role="button" id="bouton-play-pause" aria-label="Arrêter ou démarrer les animations" href="#">[⏸]</a> -->
<a role="button" id="bouton-play-pause" aria-label="Arrêter ou démarrer les animations" href="#">[⏸]</a>
</div>
</header>
<main aria-label="contenu de la page web">
<div id="jardin">
<div id="illustration-accueil" class="noscroll" role="img" aria-label="deux fleurs dessinées en ascii animées">
<div id="illustration-accueil" class="noscroll" role="img" aria-label="deux fleurs dessinées en ascii animées" aria-live="off">
<!-- séquences de l'animation qui est lancée grâce à l'avant avant dernière ligne -->
<pre class="center">
'\ ; /'
@ -499,7 +500,7 @@
</div>
<h2 id="infras"><span class="decoration" aria-hidden="true"></span>Avec nos propres infrastructures<span class="decoration" aria-hidden="true"></span></h2>
<div id="rennes" role="img" aria-label="illustration de trois serveurs informatiques rangés dans la bibliothèque d'un salon">
<div id="rennes" role="img" aria-label="illustration de trois serveurs informatiques rangés dans la bibliothèque d'un salon" aria-live="off">
<!--diode qui clignote ?-->
<pre class="center">/¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨\
| || || || |
@ -652,7 +653,7 @@
| \\ |
\_______________________________________________________________________________/</pre>
</div>
<div id="orsay" role="img" aria-label="illustration de trois serveurs informatiques rangés sur l'étagère d'un bureau">
<div id="orsay" role="img" aria-label="illustration de trois serveurs informatiques rangés sur l'étagère d'un bureau" aria-live="off">
<pre class="center">/¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨\
| |
| |
@ -925,7 +926,7 @@
</div>
</main>
<footer class="noscroll" aria-label="pied de page et liens vers CGU, mentions, sources et risques">
<div id="parterre" role="img" aria-label="image d'un parterre de fleurs qui fleurit">
<div id="parterre" role="img" aria-label="image d'un parterre de fleurs qui fleurit" aria-live="off">
<pre class="center">
@ -1401,6 +1402,6 @@ _ ` ^ ¨ · _ - " ` * - ; - _
</footer>
</div>
<!-- script animations -->
<script src="script-bon.js"></script>
<script src="script-v2.js"></script>
</body>
</html>

104
static/script-v2.js Normal file
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@ -0,0 +1,104 @@
// Deuxfleurs website script
// Author: Deuxfleurs association
// License: CC-BY-SA
// Version: 2.0
// Date: 2024
// Dictionary containing the animated frames' ID as key, and animation delay as value
const animationDelay = {
'illustration-accueil': 500,
'rennes': 1000,
'orsay': 2000,
'parterre': 1500
};
// Dictionary to keep track of frame count for each animation
let animationFrame = {};
// Dictionary to keep track of the animation callbacks in order to stop them
let animationCallback = {};
// Animations toggle switch (will be initialised in setupPage)
let isAnimated = false;
// Load the script once the document is ready
document.addEventListener('DOMContentLoaded', function() {
setupPage();
});
function setupPage() {
// Check if the user configured that they prefer reduced motion
const prefersReducedMotion = window.matchMedia("(prefers-reduced-motion)").matches;
// Set the animation toggle switch value to the user's configured prefers-reduced-motion
isAnimated = prefersReducedMotion;
// Play/pause button setup, such that it starts/stops the animations ...
document.getElementById("bouton-play-pause").addEventListener("click", pauseButtonClickedCallback);
// ... and has a content reflecting the animation state
setPauseButtonContent();
// Initialise the animations by looping through animationDelay keys
Object.keys(animationDelay).forEach((id) => initAnimation(id));
}
function initAnimation(id) {
// Initialise this ID's animationCallback value to null
animationCallback[id] = null;
// Start by displaying the 0th frame
animationFrame[id] = 0;
// Start the animation if authorised
if (isAnimated) {
startAnimation(id);
}
}
function startAnimation(id) {
// console.log(`Starting animation of frame '${id}' with delay of ${animationDelay[id]}ms.`);
const container = document.getElementById(id);
// Periodically calls updateAnimation with a certain `delay` and function parameters
// We store the callback identifier in animationCallback to be able to stop it
animationCallback[id] = setInterval(
updateAnimation,
animationDelay[id],
id, container.children, container.children.length
);
}
function updateAnimation(id, frames, nFrames) {
// Hide the current frame
frames[animationFrame[id]].style.display = "none";
// Increment the frame counter for the given id
animationFrame[id] = (animationFrame[id] + 1) % nFrames;
// Show the next frame
frames[animationFrame[id]].style.display = "flex";
}
function pauseButtonClickedCallback() {
// console.log('Play/pause button clicked');
// Toggle the isAnimated switch
isAnimated = !isAnimated;
// Update the animation status for each animated block
Object.keys(animationDelay).forEach((id) => {
if (isAnimated) {
// If animations were just authorised, start it
startAnimation(id);
} else {
// Else, stop it by calling clearInterval on the existing callback
clearInterval(animationCallback[id]);
}
});
setPauseButtonContent();
}
function setPauseButtonContent() {
// Set the button content corresponding to the animation state
if (isAnimated) {
document.getElementById("bouton-play-pause").innerHTML = "[⏸]";
} else {
document.getElementById("bouton-play-pause").innerHTML = "[⏵]";
}
}