f0ckv2/public/s/js/f0ck.js
schrumpel 7a42e6ffce
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QoL
2023-11-29 04:46:21 +01:00

310 lines
10 KiB
JavaScript

window.requestAnimFrame = (function(){
return window.requestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame
|| function(callback) { window.setTimeout(callback, 1000 / 60);};
})();
(() => {
let video;
if(elem = document.querySelector("#my-video")) {
video = new v0ck(elem);
document.addEventListener("keydown", e => {
if(e.key === " " && e.target.tagName !== "INPUT") {
video[video.paused ? 'play' : 'pause']();
document.querySelector('.v0ck_overlay').classList[video.paused ? 'remove' : 'add']('v0ck_hidden');
}
});
document.getElementById('togglebg').addEventListener('click', function (e) {
e.preventDefault();
background = !background;
localStorage.setItem('background', background.toString());
var canvas = document.getElementById('bg');
if (background) {
canvas.classList.add('fader-in');
canvas.classList.remove('fader-out');
} else {
canvas.classList.add('fader-out');
canvas.classList.remove('fader-in');
}
animationLoop();
});
if(elem !== null) {
if(localStorage.getItem('background') == undefined) {
localStorage.setItem('background', 'true');
}
var background = localStorage.getItem('background') === 'true';
var canvas = document.getElementById('bg');
var context = canvas.getContext('2d');
var cw = canvas.width = canvas.clientWidth | 0;
var ch = canvas.height = canvas.clientHeight | 0;
function animationLoop() {
if(video.paused || video.ended || !background)
return;
context.drawImage(video, 0, 0, cw, ch);
window.requestAnimFrame(animationLoop);
}
elem.addEventListener('play', animationLoop);
}
}
let tt = false;
const stimeout = 500;
const changePage = (e, pbwork = true) => {
pbwork && document.querySelector("nav.navbar").classList.add("pbwork");
!tt && (tt = setTimeout(() => e.click(), stimeout));
};
// <keybindings>
const clickOnElementBinding = selector => () => (elem = document.querySelector(selector)) ? elem.click() : null;
const keybindings = {
"ArrowLeft": clickOnElementBinding("#next"),
"a": clickOnElementBinding("#next"),
"ArrowRight": clickOnElementBinding("#prev"),
"d": clickOnElementBinding("#prev"),
"r": clickOnElementBinding("#random"),
" ": clickOnElementBinding("#f0ck-image")
};
document.addEventListener("keydown", e => {
if(e.key in keybindings && e.target.tagName !== "INPUT") {
if(e.shiftKey || e.ctrlKey || e.metaKey || e.altKey)
return;
e.preventDefault();
keybindings[e.key]();
}
});
// </keybindings>
// <image-responsive>
const imgSize = e => new Promise((res, _) => {
const i = new Image();
i.addEventListener('load', function() {
res({ width: this.width, height: this.height });
});
i.src = e.src;
});
// <wheeler>
const wheelEventListener = function(event) {
if (event.target.closest('.media-object')) {
if (event.deltaY < 0) {
document.getElementById('next').click();
} else if (event.deltaY > 0) {
document.getElementById('prev').click();
}
}
};
window.addEventListener('wheel', wheelEventListener);
// </wheeler>
if(f0ckimage = document.querySelector("img#f0ck-image")) {
const f0ckimagescroll = document.querySelector("#image-scroll");
let isImageExpanded = false;
console.log("entry point - image unclicked")
f0ckimage.addEventListener("click", async e => {
e.preventDefault();
const img = await imgSize(f0ckimage);
console.log("img clicked");
if (isImageExpanded) {
isImageExpanded = false;
f0ckimagescroll.removeAttribute("style");
f0ckimage.removeAttribute("style");
console.log("image is not expanded")
window.addEventListener('wheel', wheelEventListener);
} else {
if (img.width > img.height) return;
isImageExpanded = true;
window.removeEventListener('wheel', wheelEventListener);
f0ckimagescroll.setAttribute("style", "overflow-y: scroll");
f0ckimage.setAttribute("style", "max-height: none; height: auto; width: 100%; position: absolute; left: 0; border: var(--img-border-width) solid var(--img-border-color); border-top: none; border-bottom: none;");
}
});
}
// </image-responsive>
// <scroller>
let tts = 0;
const scroll_treshold = 1;
if([...document.querySelectorAll("div.posts")].length === 1) {
document.addEventListener("wheel", e => {
if(Math.ceil(window.innerHeight + window.scrollY) >= document.querySelector('#main').offsetHeight && e.deltaY > 0) { // down
if(elem = document.querySelector(".pagination > .next:not(.disabled)")) {
if(tts < scroll_treshold) {
document.querySelector("div#footbar").style.boxShadow = "inset 0px 4px 0px var(--footbar-color)";
document.querySelector("div#footbar").style.color = "var(--footbar-color)";
tts++;
}
else
changePage(elem);
}
}
else if(window.scrollY <= 0 && e.deltaY < 0) { // up
if(elem = document.querySelector(".pagination > .prev:not(.disabled)")) {
if(tts < scroll_treshold) {
document.querySelector("nav.navbar").style.boxShadow = "0px 2px 0px var(--loading-indicator-color)";
document.querySelector("nav.navbar").style.transition = ".2s ease-in-out";
tts++;
}
else
changePage(elem);
}
}
else {
tts = 0;
document.querySelector("div#footbar").style.boxShadow = "unset";
document.querySelector("div#footbar").style.color = "transparent";
document.querySelector("nav.navbar").style.boxShadow = "unset";
}
});
}
const rmatch = /\/p\/(\d+?)/;
if(document.referrer.match(rmatch) && document.location.href.match(rmatch))
if(document.location.href.match(rmatch) < document.referrer.match(rmatch))
document.body.scrollTop = document.body.scrollHeight;
// </scroller>
// <swipe>
const swipeRT = {
xDown: null,
yDown: null,
xDiff: null,
yDiff: null,
timeDown: null,
startEl: null
};
const swipeOpt = {
treshold: 20, // 20px
timeout: 500 // 500ms
};
document.addEventListener('touchstart', e => {
swipeRT.startEl = e.target;
swipeRT.timeDown = Date.now();
swipeRT.xDown = e.touches[0].clientX;
swipeRT.yDown = e.touches[0].clientY;
swipeRT.xDiff = 0;
swipeRT.yDiff = 0;
}, false);
document.addEventListener('touchmove', e => {
if(!swipeRT.xDown || !swipeRT.yDown)
return;
swipeRT.xDiff = swipeRT.xDown - e.touches[0].clientX;
swipeRT.yDiff = swipeRT.yDown - e.touches[0].clientY;
}, false);
document.addEventListener('touchend', e => {
if(swipeRT.startEl !== e.target)
return;
const timeDiff = Date.now() - swipeRT.timeDown;
let elem;
if(Math.abs(swipeRT.xDiff) > Math.abs(swipeRT.yDiff)) {
if(Math.abs(swipeRT.xDiff) > swipeOpt.treshold && timeDiff < swipeOpt.timeout) {
if(swipeRT.xDiff > 0) // left
elem = document.querySelector(".pagination > .next:not(.disabled)");
else // right
elem = document.querySelector(".pagination > .prev:not(.disabled)");
}
}
else {
if(Math.abs(swipeRT.yDiff) > swipeOpt.treshold && timeDiff < swipeOpt.timeout) {
if(navbar = document.querySelector("nav.navbar") && document.querySelector("div.posts")) {
if(swipeRT.yDiff > 0 && (window.innerHeight + window.scrollY) >= document.body.offsetHeight) // up
elem = document.querySelector(".pagination > .next:not(.disabled)");
else if(swipeRT.yDiff <= 0 && window.scrollY <= 0 && document.querySelector("div.posts")) // down
elem = document.querySelector(".pagination > .prev:not(.disabled)");
}
}
}
swipeRT.xDown = null;
swipeRT.yDown = null;
swipeRT.timeDown = null;
if(elem)
changePage(elem);
}, false);
// </swipe>
// <visualizer>
if(audioElement = document.querySelector("audio")) {
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
canvas.width = 1920;
canvas.height = 1080;
setTimeout(() => {
document.querySelector(".v0ck").insertAdjacentElement("afterbegin", canvas);
}, 400);
const audioCtx = new AudioContext();
const analyser = audioCtx.createAnalyser();
analyser.fftSize = 2048;
const source = audioCtx.createMediaElementSource(audioElement);
source.connect(analyser);
source.connect(audioCtx.destination);
let data = new Uint8Array(analyser.frequencyBinCount);
requestAnimationFrame(loopingFunction);
function loopingFunction() {
requestAnimationFrame(loopingFunction);
analyser.getByteFrequencyData(data);
draw(data);
}
function draw(data) {
data = [ ...data ];
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.fillStyle = getComputedStyle(document.body).getPropertyValue("--accent");
data.forEach((value, i) => {
const percent = value / 256;
const height = (canvas.height * percent / 2) - 40;
const offset = canvas.height - height - 1;
const barWidth = canvas.width / analyser.frequencyBinCount;
ctx.fillRect(i * barWidth, offset, barWidth, height);
});
}
audioElement.onplay = () => {
audioCtx.resume();
};
}
// </visualizer>
// <mediakeys>
if(elem = document.querySelector("#my-video") && "mediaSession" in navigator) {
const playpauseEvent = () => {
video[video.paused ? 'play' : 'pause']();
document.querySelector('.v0ck_overlay').classList[video.paused ? 'remove' : 'add']('v0ck_hidden');
};
navigator.mediaSession.setActionHandler('play', playpauseEvent);
navigator.mediaSession.setActionHandler('pause', playpauseEvent);
navigator.mediaSession.setActionHandler('stop', playpauseEvent);
navigator.mediaSession.setActionHandler('previoustrack', () => {
if(link = document.querySelector(".pagination > .prev:not(.disabled)"))
changePage(link);
});
navigator.mediaSession.setActionHandler('nexttrack', () => {
if(link = document.querySelector(".pagination > .next:not(.disabled)"))
changePage(link);
});
}
// </mediakeys>
// <scroller>
// </scroller>
})();