Files
Seasonals-Autumn/autumn.js
2024-12-21 00:55:12 +01:00

129 lines
4.4 KiB
JavaScript

const leaves = true; // enable/disable leaves
const randomLeaves = true; // enable random leaves
const randomLeavesMobile = false; // enable random leaves on mobile devices
const leafCount = 25; // count of random extra leaves
let msgPrinted = false; // flag to prevent multiple console messages
// function to check and control the leaves
function toggleAutumn() {
const autumnContainer = document.querySelector('.autumn-container');
if (!autumnContainer) return;
const videoPlayer = document.querySelector('.videoPlayerContainer');
const trailerPlayer = document.querySelector('.youtubePlayerContainer');
const isDashboard = document.body.classList.contains('dashboardDocument');
const hasUserMenu = document.querySelector('#app-user-menu');
// hide leaves if video/trailer player is active or dashboard is visible
if (videoPlayer || trailerPlayer || isDashboard || hasUserMenu) {
autumnContainer.style.display = 'none'; // hide leaves
if (!msgPrinted) {
console.log('Autumn hidden');
msgPrinted = true;
}
} else {
autumnContainer.style.display = 'block'; // show leaves
if (msgPrinted) {
console.log('Autumn visible');
msgPrinted = false;
}
}
}
// observe changes in the DOM
const observer = new MutationObserver(toggleSnowflakes);
// start observation
observer.observe(document.body, {
childList: true, // observe adding/removing of child elements
subtree: true, // observe all levels of the DOM tree
attributes: true // observe changes to attributes (e.g. class changes)
});
/*
const images = [
"/web/seasonal/ghost_20x20.png",
"/web/seasonal/bat_20x20.png",
"/web/seasonal/pumpkin_20x20.png",
];*/
const images = [
"./images/ghost_20x20.png",
"./images/bat_20x20.png",
"./images/pumpkin_20x20.png",
];
function addRandomLeaves(count) {
const autumnContainer = document.querySelector('.autumn-container'); // get the leave container
if (!autumnContainer) return; // exit if leave container is not found
console.log('Adding random leaves');
// Array of leave characters
for (let i = 0; i < count; i++) {
// create a new leave element
const leave = document.createElement('div');
leave.classList.add('leave');
// pick a random leave symbol
if (enableColoredSnowflakes) {
leave.textContent = autumnSymbolsMobile[Math.floor(Math.random() * autumnSymbolsMobile.length)];
} else {
leave.textContent = autumnSymbols[Math.floor(Math.random() * autumnSymbols.length)];
}
// set random horizontal position, animation delay and size(uncomment lines to enable)
const randomLeft = Math.random() * 100; // position (0% to 100%)
//const randomSize = Math.random() * 1.5 + 0.5; // size (0.5em to 2em) //uncomment to enable random size
const randomAnimationDelay = Math.random() * 8; // delay (0s to 8s)
const randomAnimationDelay2 = Math.random() * 5; // delay (0s to 5s)
// apply styles
leave.style.left = `${randomLeft}%`;
//leave.style.fontSize = `${randomSize}em`; //uncomment to enable random size
leave.style.animationDelay = `${randomAnimationDelay}s, ${randomAnimationDelay2}s`;
// add the leave to the container
autumnContainer.appendChild(leave);
}
console.log('Random leaves added');
}
// initialize standard leaves
function initSnowflakes() {
const container = document.querySelector('.autumn-container') || document.createElement("div");
if (!document.querySelector('.autumn-container')) {
container.className = "autumn-container";
container.setAttribute("aria-hidden", "true");
document.body.appendChild(container);
}
for (let i = 0; i < 1; i++) {
images.forEach(imageSrc => {
const leafDiv = document.createElement("div");
leafDiv.className = "leaf";
const img = document.createElement("img");
img.src = imageSrc;
leafDiv.appendChild(img);
container.appendChild(leafDiv);
});
}
}
// initialize leaves and add random leaves after the DOM is loaded
document.addEventListener('DOMContentLoaded', () => {
if (!leaves) return; // exit if leaves are disabled
initSnowflakes();
toggleSnowflakes();
const screenWidth = window.innerWidth; // get the screen width to detect mobile devices
if (randomSnowflakes && (screenWidth > 768 || randomSnowflakesMobile)) { // add random leaves only on larger screens, unless enabled for mobile devices
addRandomSnowflakes(snowflakeCount);
}
});