Telegram Web K with changes to work inside I2P https://web.telegram.i2p/
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/*
* https://github.com/morethanwords/tweb
* Copyright (C) 2019-2021 Eduard Kuzmenko
* https://github.com/morethanwords/tweb/blob/master/LICENSE
*/
import findUpClassName from "../helpers/dom/findUpClassName";
import sequentialDom from "../helpers/sequentialDom";
import {IS_TOUCH_SUPPORTED} from "../environment/touchSupport";
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import rootScope from "../lib/rootScope";
let rippleClickId = 0;
export function ripple(elem: HTMLElement, callback: (id: number) => Promise<boolean | void> = () => Promise.resolve(), onEnd: (id: number) => void = null, prepend = false) {
//return;
if(elem.querySelector('.c-ripple')) return;
elem.classList.add('rp');
let r = document.createElement('div');
r.classList.add('c-ripple');
const isSquare = elem.classList.contains('rp-square');
if(isSquare) {
r.classList.add('is-square');
}
elem[prepend ? 'prepend' : 'append'](r);
let handler: () => void;
//let animationEndPromise: Promise<number>;
const drawRipple = (clientX: number, clientY: number) => {
const startTime = Date.now();
const elem = document.createElement('div');
const clickId = rippleClickId++;
//console.log('ripple drawRipple');
const duration = +window.getComputedStyle(r).getPropertyValue('--ripple-duration').replace('s', '') * 1000;
//console.log('ripple duration', duration);
handler = () => {
//handler = () => animationEndPromise.then((duration) => {
//console.log('ripple animation was:', duration);
//const duration = isSquare || mediaSizes.isMobile ? 200 : 700;
//return;
let elapsedTime = Date.now() - startTime;
const cb = () => {
//console.log('ripple elapsedTime total pre-remove:', Date.now() - startTime);
sequentialDom.mutate(() => {
elem.remove();
});
if(onEnd) onEnd(clickId);
};
if(elapsedTime < duration) {
let delay = Math.max(duration - elapsedTime, duration / 2);
setTimeout(() => elem.classList.add('hiding'), Math.max(delay - duration / 2, 0));
setTimeout(cb, delay);
} else {
elem.classList.add('hiding');
setTimeout(cb, duration / 2);
}
if(!IS_TOUCH_SUPPORTED) {
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window.removeEventListener('contextmenu', handler);
}
handler = null;
touchStartFired = false;
};
//});
callback && callback(clickId);
/* callback().then((bad) => {
if(bad) {
span.remove();
return;
} */
//console.log('ripple after promise', Date.now() - startTime);
//console.log('ripple tooSlow:', tooSlow);
/* if(tooSlow) {
span.remove();
return;
} */
window.requestAnimationFrame(() => {
const rect = r.getBoundingClientRect();
elem.classList.add('c-ripple__circle');
const clickX = clientX - rect.left;
const clickY = clientY - rect.top;
const radius = Math.sqrt((Math.abs(clickY - rect.height / 2) + rect.height / 2) ** 2 + (Math.abs(clickX - rect.width / 2) + rect.width / 2) ** 2);
const size = radius;
// center of circle
const x = clickX - size / 2;
const y = clickY - size / 2;
//console.log('ripple click', offsetFromCenter, size, clickX, clickY);
elem.style.width = elem.style.height = size + 'px';
elem.style.left = x + 'px';
elem.style.top = y + 'px';
// нижний код выполняется с задержкой
/* animationEndPromise = new Promise((resolve) => {
span.addEventListener('animationend', () => {
// 713 -> 700
resolve(((Date.now() - startTime) / 100 | 0) * 100);
}, {once: true});
}); */
// нижний код не всегда включает анимацию ПРИ КЛИКЕ НА ТАЧПАД БЕЗ ТАПТИК ЭНЖИНА
/* span.style.display = 'none';
r.append(span);
duration = +window.getComputedStyle(span).getPropertyValue('animation-duration').replace('s', '') * 1000;
span.style.display = ''; */
r.append(elem);
//r.classList.add('active');
//handler();
});
//});
};
const isRippleUnneeded = (e: Event) => e.target !== elem && (
['BUTTON', 'A'].includes((e.target as HTMLElement).tagName)
|| findUpClassName(e.target as HTMLElement, 'c-ripple') !== r
);
// TODO: rename this variable
let touchStartFired = false;
if(IS_TOUCH_SUPPORTED) {
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let touchEnd = () => {
handler && handler();
};
elem.addEventListener('touchstart', (e) => {
if(!rootScope.settings.animationsEnabled) {
return;
}
//console.log('ripple touchstart', e);
if(e.touches.length > 1 || touchStartFired || isRippleUnneeded(e)) {
return;
}
//console.log('touchstart', e);
touchStartFired = true;
let {clientX, clientY} = e.touches[0];
drawRipple(clientX, clientY);
elem.addEventListener('touchend', touchEnd, {once: true});
window.addEventListener('touchmove', (e) => {
e.cancelBubble = true;
e.stopPropagation();
touchEnd();
elem.removeEventListener('touchend', touchEnd);
}, {once: true});
}, {passive: true});
} else {
elem.addEventListener('mousedown', (e) => {
if(![0, 2].includes(e.button)) { // only left and right buttons
return;
}
if(!rootScope.settings.animationsEnabled) {
return;
}
//console.log('ripple mousedown', e, e.target, findUpClassName(e.target as HTMLElement, 'c-ripple') === r);
if(elem.dataset.ripple === '0' || isRippleUnneeded(e)) {
return;
} else if(touchStartFired) {
touchStartFired = false;
return;
}
let {clientX, clientY} = e;
drawRipple(clientX, clientY);
window.addEventListener('mouseup', handler, {once: true, passive: true});
window.addEventListener('contextmenu', handler, {once: true, passive: true});
}, {passive: true});
}
}