143 lines
4.2 KiB
JavaScript
143 lines
4.2 KiB
JavaScript
// @flow
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// This component is entirely for triggering the start of a file view
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// The actual viewer for a file exists in FileViewer
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// They can't exist in one component because we need to handle/listen for the start of a new file view
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// while a file is currently being viewed
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import React, { useEffect, useCallback, Fragment } from 'react';
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import classnames from 'classnames';
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import Button from 'component/button';
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import isUserTyping from 'util/detect-typing';
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import Yrbl from 'component/yrbl';
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const SPACE_BAR_KEYCODE = 32;
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type Props = {
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play: string => void,
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mediaType: string,
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contentType: string,
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isLoading: boolean,
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isPlaying: boolean,
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fileInfo: FileListItem,
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uri: string,
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obscurePreview: boolean,
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insufficientCredits: boolean,
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isStreamable: boolean,
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thumbnail?: string,
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autoplay: boolean,
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hasCostInfo: boolean,
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costInfo: any,
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isAutoPlayable: boolean,
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};
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export default function FileViewer(props: Props) {
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const {
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play,
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mediaType,
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contentType,
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isPlaying,
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fileInfo,
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uri,
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obscurePreview,
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insufficientCredits,
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thumbnail,
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autoplay,
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isStreamable,
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hasCostInfo,
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costInfo,
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isAutoPlayable,
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} = props;
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const cost = costInfo && costInfo.cost;
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const forceVideo = ['application/x-ext-mkv', 'video/x-matroska'].includes(contentType);
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const isPlayable = ['audio', 'video'].includes(mediaType) || forceVideo;
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const fileStatus = fileInfo && fileInfo.status;
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const webStreamOnly = contentType === 'application/pdf' || mediaType === 'text';
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const supported = IS_WEB ? (!cost && isStreamable) || webStreamOnly || forceVideo : true;
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function getMessage() {
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if (IS_WEB && cost) {
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return __('Paid Content Not Supported on lbry.tv');
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}
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return __('Unsupported File');
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}
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// Wrap this in useCallback because we need to use it to the keyboard effect
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// If we don't a new instance will be created for every render and react will think the dependencies have changed, which will add/remove the listener for every render
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const viewFile = useCallback(
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(e?: SyntheticInputEvent<*> | KeyboardEvent) => {
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if (e) {
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e.stopPropagation();
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}
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play(uri);
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},
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[play, uri]
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);
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useEffect(() => {
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// This is just for beginning to download a file
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// Play/Pause/Fullscreen will be handled by the respective viewers because not every file type should behave the same
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function handleKeyDown(e: KeyboardEvent) {
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if (!isUserTyping() && e.keyCode === SPACE_BAR_KEYCODE) {
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e.preventDefault();
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if (!isPlaying || fileStatus === 'stopped') {
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viewFile(e);
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}
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}
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}
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window.addEventListener('keydown', handleKeyDown);
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return () => {
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window.removeEventListener('keydown', handleKeyDown);
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};
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}, [isPlaying, fileStatus, viewFile]);
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useEffect(() => {
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const videoOnPage = document.querySelector('video');
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if (autoplay && !videoOnPage && isAutoPlayable && hasCostInfo && cost === 0) {
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viewFile();
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}
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}, [autoplay, viewFile, isAutoPlayable, hasCostInfo, cost]);
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return (
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<div
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disabled={!hasCostInfo}
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style={!obscurePreview && supported && thumbnail && !isPlaying ? { backgroundImage: `url("${thumbnail}")` } : {}}
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onClick={supported && viewFile}
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className={classnames({
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content__cover: supported,
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'content__cover--disabled': !supported,
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'card__media--nsfw': obscurePreview,
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'card__media--disabled': supported && !fileInfo && insufficientCredits,
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})}
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>
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{!supported && (
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<Yrbl
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type="happy"
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title={getMessage()}
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subtitle={
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<Fragment>
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<p>
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{__('Good news, though! You can')}{' '}
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<Button button="link" label={__('Download the app')} href="https://lbry.com/get" />{' '}
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{__('and gain access to everything.')}
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</p>
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</Fragment>
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}
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/>
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)}
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{!isPlaying && supported && (
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<Button
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onClick={viewFile}
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iconSize={30}
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title={isPlayable ? __('Play') : __('View')}
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className={classnames('button--icon', {
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'button--play': isPlayable,
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'button--view': !isPlayable,
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})}
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/>
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)}
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</div>
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);
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}
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