lbry-desktop/ui/component/textViewer/view.jsx
2020-01-06 16:35:43 -05:00

60 lines
1.7 KiB
JavaScript

// @flow
import React, { useState, useEffect } from 'react';
import classnames from 'classnames';
import FileRender from 'component/fileRender';
import usePrevious from 'effects/use-previous';
type Props = {
mediaType: string,
contentType: string,
isPlaying: boolean,
fileInfo: FileListItem,
uri: string,
isStreamable: boolean,
streamingUrl?: string,
triggerAnalyticsView: (string, number) => Promise<any>,
claimRewards: () => void,
};
export default function TextViewer(props: Props) {
const {
isPlaying,
fileInfo,
uri,
streamingUrl,
isStreamable,
triggerAnalyticsView,
claimRewards,
mediaType,
contentType,
} = props;
const [playTime, setPlayTime] = useState();
const webStreamOnly = contentType === 'application/pdf' || mediaType === 'text';
const previousUri = usePrevious(uri);
const isNewView = uri && previousUri !== uri && isPlaying;
const [hasRecordedView, setHasRecordedView] = useState(false);
const isReadyToPlay = (IS_WEB && (isStreamable || streamingUrl || webStreamOnly)) || (fileInfo && fileInfo.completed);
useEffect(() => {
if (isNewView) {
setPlayTime(Date.now());
}
}, [isNewView, uri]);
useEffect(() => {
if (playTime && isReadyToPlay && !hasRecordedView) {
const timeToStart = Date.now() - playTime;
triggerAnalyticsView(uri, timeToStart).then(() => {
claimRewards();
setHasRecordedView(false);
setPlayTime(null);
});
}
}, [setPlayTime, triggerAnalyticsView, isReadyToPlay, hasRecordedView, playTime, uri, claimRewards]);
return (
<div className={classnames('content__viewersss')}>
{isReadyToPlay ? <FileRender uri={uri} /> : <div className="placeholder--text-document" />}
</div>
);
}