sforkowany z mirror/soapbox
570 wiersze
16 KiB
TypeScript
570 wiersze
16 KiB
TypeScript
import clsx from 'clsx';
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import debounce from 'lodash/debounce';
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import throttle from 'lodash/throttle';
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import React, { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react';
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import { defineMessages, useIntl } from 'react-intl';
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import Blurhash from 'soapbox/components/blurhash';
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import Icon from 'soapbox/components/icon';
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import { containAspectRatio } from 'soapbox/utils/media-aspect-ratio';
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import { isFullscreen, requestFullscreen, exitFullscreen } from '../ui/util/fullscreen';
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const DEFAULT_HEIGHT = 300;
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type Position = { x: number, y: number };
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const messages = defineMessages({
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play: { id: 'video.play', defaultMessage: 'Play' },
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pause: { id: 'video.pause', defaultMessage: 'Pause' },
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mute: { id: 'video.mute', defaultMessage: 'Mute sound' },
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unmute: { id: 'video.unmute', defaultMessage: 'Unmute sound' },
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hide: { id: 'video.hide', defaultMessage: 'Hide video' },
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expand: { id: 'video.expand', defaultMessage: 'Expand video' },
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close: { id: 'video.close', defaultMessage: 'Close video' },
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fullscreen: { id: 'video.fullscreen', defaultMessage: 'Full screen' },
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exit_fullscreen: { id: 'video.exit_fullscreen', defaultMessage: 'Exit full screen' },
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});
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export const formatTime = (secondsNum: number): string => {
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let hours: number | string = Math.floor(secondsNum / 3600);
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let minutes: number | string = Math.floor((secondsNum - (hours * 3600)) / 60);
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let seconds: number | string = secondsNum - (hours * 3600) - (minutes * 60);
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if (hours < 10) hours = '0' + hours;
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if (minutes < 10) minutes = '0' + minutes;
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if (seconds < 10) seconds = '0' + seconds;
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return (hours === '00' ? '' : `${hours}:`) + `${minutes}:${seconds}`;
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};
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export const findElementPosition = (el: HTMLElement) => {
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let box;
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if (el.getBoundingClientRect && el.parentNode) {
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box = el.getBoundingClientRect();
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}
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if (!box) {
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return {
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left: 0,
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top: 0,
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};
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}
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const docEl = document.documentElement;
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const body = document.body;
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const clientLeft = docEl.clientLeft || body.clientLeft || 0;
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const scrollLeft = window.pageXOffset || body.scrollLeft;
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const left = (box.left + scrollLeft) - clientLeft;
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const clientTop = docEl.clientTop || body.clientTop || 0;
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const scrollTop = window.pageYOffset || body.scrollTop;
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const top = (box.top + scrollTop) - clientTop;
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return {
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left: Math.round(left),
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top: Math.round(top),
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};
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};
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export const getPointerPosition = (el: HTMLElement, event: MouseEvent & TouchEvent): Position => {
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const box = findElementPosition(el);
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const boxW = el.offsetWidth;
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const boxH = el.offsetHeight;
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const boxY = box.top;
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const boxX = box.left;
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let pageY = event.pageY;
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let pageX = event.pageX;
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if (event.changedTouches) {
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pageX = event.changedTouches[0].pageX;
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pageY = event.changedTouches[0].pageY;
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}
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return {
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y: Math.max(0, Math.min(1, (pageY - boxY) / boxH)),
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x: Math.max(0, Math.min(1, (pageX - boxX) / boxW)),
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};
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};
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export const fileNameFromURL = (str: string) => {
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const url = new URL(str);
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const pathname = url.pathname;
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const index = pathname.lastIndexOf('/');
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return pathname.substring(index + 1);
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};
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interface IVideo {
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preview?: string,
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src: string,
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alt?: string,
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width?: number,
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height?: number,
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startTime?: number,
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detailed?: boolean,
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autoFocus?: boolean,
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inline?: boolean,
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cacheWidth?: (width: number) => void,
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visible?: boolean,
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blurhash?: string,
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link?: React.ReactNode,
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aspectRatio?: number,
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displayMedia?: string,
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}
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const Video: React.FC<IVideo> = ({
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width,
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visible = false,
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detailed = false,
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autoFocus = false,
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cacheWidth,
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startTime,
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src,
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height,
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alt,
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inline,
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aspectRatio = 16 / 9,
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link,
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blurhash,
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}) => {
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const intl = useIntl();
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const player = useRef<HTMLDivElement>(null);
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const video = useRef<HTMLVideoElement>(null);
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const seek = useRef<HTMLDivElement>(null);
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const slider = useRef<HTMLDivElement>(null);
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const [currentTime, setCurrentTime] = useState(0);
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const [duration, setDuration] = useState(0);
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const [volume, setVolume] = useState(0.5);
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const [paused, setPaused] = useState(true);
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const [dragging, setDragging] = useState(false);
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const [containerWidth, setContainerWidth] = useState(width);
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const [fullscreen, setFullscreen] = useState(false);
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const [hovered, setHovered] = useState(false);
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const [muted, setMuted] = useState(false);
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const [buffer, setBuffer] = useState(0);
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const setDimensions = () => {
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if (player.current) {
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const { offsetWidth } = player.current;
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if (cacheWidth) {
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cacheWidth(offsetWidth);
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}
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setContainerWidth(offsetWidth);
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}
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};
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useLayoutEffect(() => {
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setDimensions();
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}, [player.current]);
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useEffect(() => {
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if (video.current) {
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setVolume(video.current.volume);
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setMuted(video.current.muted);
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}
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}, [video.current]);
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const handleClickRoot: React.MouseEventHandler = e => e.stopPropagation();
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const handlePlay = () => {
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setPaused(false);
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};
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const handlePause = () => {
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setPaused(true);
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};
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const handleTimeUpdate = () => {
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if (video.current) {
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setCurrentTime(Math.floor(video.current.currentTime));
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setDuration(Math.floor(video.current.duration));
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}
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};
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const handleVolumeMouseDown: React.MouseEventHandler = e => {
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document.addEventListener('mousemove', handleMouseVolSlide, true);
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document.addEventListener('mouseup', handleVolumeMouseUp, true);
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document.addEventListener('touchmove', handleMouseVolSlide, true);
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document.addEventListener('touchend', handleVolumeMouseUp, true);
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handleMouseVolSlide(e);
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e.preventDefault();
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e.stopPropagation();
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};
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const handleVolumeMouseUp = () => {
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document.removeEventListener('mousemove', handleMouseVolSlide, true);
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document.removeEventListener('mouseup', handleVolumeMouseUp, true);
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document.removeEventListener('touchmove', handleMouseVolSlide, true);
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document.removeEventListener('touchend', handleVolumeMouseUp, true);
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};
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const handleMouseVolSlide = throttle(e => {
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if (slider.current) {
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const { x } = getPointerPosition(slider.current, e);
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if (!isNaN(x)) {
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let slideamt = x;
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if (x > 1) {
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slideamt = 1;
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} else if (x < 0) {
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slideamt = 0;
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}
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if (video.current) {
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video.current.volume = slideamt;
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}
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setVolume(slideamt);
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}
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}
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}, 60);
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const handleMouseDown: React.MouseEventHandler = e => {
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document.addEventListener('mousemove', handleMouseMove, true);
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document.addEventListener('mouseup', handleMouseUp, true);
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document.addEventListener('touchmove', handleMouseMove, true);
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document.addEventListener('touchend', handleMouseUp, true);
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setDragging(true);
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video.current?.pause();
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handleMouseMove(e);
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e.preventDefault();
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e.stopPropagation();
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};
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const handleMouseUp = () => {
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document.removeEventListener('mousemove', handleMouseMove, true);
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document.removeEventListener('mouseup', handleMouseUp, true);
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document.removeEventListener('touchmove', handleMouseMove, true);
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document.removeEventListener('touchend', handleMouseUp, true);
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setDragging(false);
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video.current?.play();
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};
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const handleMouseMove = throttle(e => {
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if (seek.current && video.current) {
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const { x } = getPointerPosition(seek.current, e);
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const currentTime = Math.floor(video.current.duration * x);
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if (!isNaN(currentTime)) {
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video.current.currentTime = currentTime;
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setCurrentTime(currentTime);
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}
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}
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}, 60);
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const seekBy = (time: number) => {
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if (video.current) {
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const currentTime = video.current.currentTime + time;
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if (!isNaN(currentTime)) {
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setCurrentTime(currentTime);
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video.current.currentTime = currentTime;
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}
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}
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};
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const handleVideoKeyDown: React.KeyboardEventHandler = e => {
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// On the video element or the seek bar, we can safely use the space bar
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// for playback control because there are no buttons to press
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if (e.key === ' ') {
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e.preventDefault();
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e.stopPropagation();
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togglePlay();
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}
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};
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const handleKeyDown: React.KeyboardEventHandler = e => {
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const frameTime = 1 / 25;
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switch (e.key) {
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case 'k':
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e.preventDefault();
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e.stopPropagation();
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togglePlay();
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break;
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case 'm':
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e.preventDefault();
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e.stopPropagation();
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toggleMute();
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break;
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case 'f':
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e.preventDefault();
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e.stopPropagation();
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toggleFullscreen();
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break;
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case 'j':
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e.preventDefault();
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e.stopPropagation();
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seekBy(-10);
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break;
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case 'l':
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e.preventDefault();
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e.stopPropagation();
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seekBy(10);
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break;
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case ',':
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e.preventDefault();
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e.stopPropagation();
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seekBy(-frameTime);
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break;
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case '.':
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e.preventDefault();
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e.stopPropagation();
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seekBy(frameTime);
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break;
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}
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// If we are in fullscreen mode, we don't want any hotkeys
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// interacting with the UI that's not visible
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if (fullscreen) {
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e.preventDefault();
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e.stopPropagation();
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if (e.key === 'Escape') {
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exitFullscreen();
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}
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}
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};
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const togglePlay = (e?: React.MouseEvent) => {
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e?.stopPropagation();
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setPaused(!paused);
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if (paused) {
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video.current?.play();
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} else {
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video.current?.pause();
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}
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};
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const toggleFullscreen = () => {
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if (isFullscreen()) {
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exitFullscreen();
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} else if (player.current) {
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requestFullscreen(player.current);
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}
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};
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const handleResize = useCallback(debounce(() => {
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setDimensions();
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}, 250, {
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trailing: true,
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}), [player.current, cacheWidth]);
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const handleScroll = useCallback(throttle(() => {
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if (!video.current) return;
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const { top, height } = video.current.getBoundingClientRect();
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const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
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if (!paused && !inView) {
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setPaused(true);
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video.current.pause();
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}
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}, 150, { trailing: true }), [video.current, paused]);
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const handleFullscreenChange = useCallback(() => {
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setFullscreen(isFullscreen());
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}, []);
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const handleMouseEnter = () => {
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setHovered(true);
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};
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const handleMouseLeave = () => {
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setHovered(false);
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};
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const toggleMute = () => {
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if (video.current) {
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const muted = !video.current.muted;
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setMuted(!muted);
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video.current.muted = muted;
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}
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};
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const handleLoadedData = () => {
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if (video.current && startTime) {
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video.current.currentTime = startTime;
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video.current.play();
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}
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};
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const handleProgress = () => {
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if (video.current && video.current.buffered.length > 0) {
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setBuffer(video.current.buffered.end(0) / video.current.duration * 100);
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}
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};
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const handleVolumeChange = () => {
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if (video.current) {
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setVolume(video.current.volume);
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setMuted(video.current.muted);
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}
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};
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const progress = (currentTime / duration) * 100;
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const playerStyle: React.CSSProperties = {};
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if (inline && containerWidth) {
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width = containerWidth;
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height = Math.floor(containerWidth / containAspectRatio(aspectRatio));
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playerStyle.height = height || DEFAULT_HEIGHT;
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}
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useEffect(() => {
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document.addEventListener('fullscreenchange', handleFullscreenChange, true);
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document.addEventListener('webkitfullscreenchange', handleFullscreenChange, true);
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document.addEventListener('mozfullscreenchange', handleFullscreenChange, true);
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document.addEventListener('MSFullscreenChange', handleFullscreenChange, true);
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window.addEventListener('scroll', handleScroll);
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window.addEventListener('resize', handleResize, { passive: true });
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return () => {
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window.removeEventListener('scroll', handleScroll);
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window.removeEventListener('resize', handleResize);
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document.removeEventListener('fullscreenchange', handleFullscreenChange, true);
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document.removeEventListener('webkitfullscreenchange', handleFullscreenChange, true);
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document.removeEventListener('mozfullscreenchange', handleFullscreenChange, true);
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document.removeEventListener('MSFullscreenChange', handleFullscreenChange, true);
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};
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}, []);
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useEffect(() => {
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if (!visible) {
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video.current?.pause();
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}
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}, [visible]);
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return (
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<div
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role='menuitem'
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className={clsx('video-player', { detailed, 'video-player--inline': inline && !fullscreen, fullscreen })}
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style={playerStyle}
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ref={player}
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onMouseEnter={handleMouseEnter}
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onMouseLeave={handleMouseLeave}
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onClick={handleClickRoot}
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onKeyDown={handleKeyDown}
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tabIndex={0}
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>
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{!fullscreen && (
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<Blurhash hash={blurhash} className='media-gallery__preview' />
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)}
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<video
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ref={video}
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src={src}
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loop
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role='button'
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tabIndex={0}
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aria-label={alt}
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title={alt}
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width={width}
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height={height || DEFAULT_HEIGHT}
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onClick={togglePlay}
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onKeyDown={handleVideoKeyDown}
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onPlay={handlePlay}
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onPause={handlePause}
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onTimeUpdate={handleTimeUpdate}
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onLoadedData={handleLoadedData}
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onProgress={handleProgress}
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onVolumeChange={handleVolumeChange}
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/>
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<div className={clsx('video-player__controls', { active: paused || hovered })}>
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<div className='video-player__seek' onMouseDown={handleMouseDown} ref={seek}>
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<div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} />
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<div className='video-player__seek__progress' style={{ width: `${progress}%` }} />
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<span
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className={clsx('video-player__seek__handle', { active: dragging })}
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tabIndex={0}
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style={{ left: `${progress}%` }}
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onKeyDown={handleVideoKeyDown}
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/>
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</div>
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<div className='video-player__buttons-bar'>
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<div className='video-player__buttons left'>
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<button
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type='button'
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title={intl.formatMessage(paused ? messages.play : messages.pause)}
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aria-label={intl.formatMessage(paused ? messages.play : messages.pause)}
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className='player-button'
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onClick={togglePlay}
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autoFocus={autoFocus}
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>
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<Icon src={paused ? require('@tabler/icons/player-play.svg') : require('@tabler/icons/player-pause.svg')} />
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</button>
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<button
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type='button'
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title={intl.formatMessage(muted ? messages.unmute : messages.mute)}
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aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)}
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className='player-button'
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onClick={toggleMute}
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>
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<Icon src={muted ? require('@tabler/icons/volume-3.svg') : require('@tabler/icons/volume.svg')} />
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</button>
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<div className={clsx('video-player__volume', { active: hovered })} onMouseDown={handleVolumeMouseDown} ref={slider}>
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<div className='video-player__volume__current' style={{ width: `${volume * 100}%` }} />
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<span
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className={clsx('video-player__volume__handle')}
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tabIndex={0}
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style={{ left: `${volume * 100}%` }}
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/>
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</div>
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{(detailed || fullscreen) && (
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<span>
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<span className='video-player__time-current'>{formatTime(currentTime)}</span>
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<span className='video-player__time-sep'>/</span>
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<span className='video-player__time-total'>{formatTime(duration)}</span>
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</span>
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)}
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{link && (
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<span className='video-player__link'>{link}</span>
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)}
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</div>
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<div className='video-player__buttons right'>
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<button
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type='button'
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title={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)}
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aria-label={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)}
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className='player-button'
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onClick={toggleFullscreen}
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|
>
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<Icon src={fullscreen ? require('@tabler/icons/arrows-minimize.svg') : require('@tabler/icons/arrows-maximize.svg')} />
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</button>
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</div>
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|
</div>
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|
</div>
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</div>
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);
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};
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|
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export default Video;
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