Rocket.Chat.ReactNative/app/views/ShareView/Preview.tsx

134 lines
3.8 KiB
TypeScript

import React from 'react';
import { Video } from 'expo-av';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { ScrollView, StyleSheet, Text } from 'react-native';
import prettyBytes from 'pretty-bytes';
import { CustomIcon, TIconsName } from '../../containers/CustomIcon';
import { ImageViewer, types } from '../../presentation/ImageViewer';
import { useDimensions, useOrientation } from '../../dimensions';
import { getHeaderHeight } from '../../containers/Header';
import sharedStyles from '../Styles';
import I18n from '../../i18n';
import { isAndroid } from '../../utils/deviceInfo';
import { allowPreview } from './utils';
import { THUMBS_HEIGHT } from './constants';
import { TSupportedThemes } from '../../theme';
import { themes } from '../../lib/constants';
import { IShareAttachment } from '../../definitions';
const MESSAGEBOX_HEIGHT = 56;
const styles = StyleSheet.create({
fileContainer: {
alignItems: 'center',
justifyContent: 'center'
},
fileName: {
fontSize: 16,
marginHorizontal: 10,
...sharedStyles.textMedium,
...sharedStyles.textAlignCenter
},
fileSize: {
fontSize: 14,
...sharedStyles.textRegular
}
});
interface IIconPreview {
iconName: TIconsName;
title: string;
description?: string;
theme: TSupportedThemes;
width: number;
height: number;
danger?: boolean;
}
const IconPreview = React.memo(({ iconName, title, description, theme, width, height, danger }: IIconPreview) => (
<ScrollView
style={{ backgroundColor: themes[theme].auxiliaryBackground }}
contentContainerStyle={[styles.fileContainer, { width, height }]}>
<CustomIcon name={iconName} size={56} color={danger ? themes[theme].dangerColor : themes[theme].tintColor} />
<Text style={[styles.fileName, { color: themes[theme].titleText }]}>{title}</Text>
{description ? <Text style={[styles.fileSize, { color: themes[theme].bodyText }]}>{description}</Text> : null}
</ScrollView>
));
interface IPreview {
item: IShareAttachment;
theme: TSupportedThemes;
isShareExtension: boolean;
length: number;
}
const Preview = React.memo(({ item, theme, isShareExtension, length }: IPreview) => {
const type = item?.mime;
const { width, height } = useDimensions();
const { isLandscape } = useOrientation();
const insets = useSafeAreaInsets();
const headerHeight = getHeaderHeight(isLandscape);
const thumbsHeight = length > 1 ? THUMBS_HEIGHT : 0;
const calculatedHeight = height - insets.top - insets.bottom - MESSAGEBOX_HEIGHT - thumbsHeight - headerHeight;
if (item?.canUpload) {
// Disable video preview on iOS to save memory
if (isAndroid && type?.match(/video/)) {
return (
<ScrollView style={{ height: calculatedHeight }}>
<Video
source={{ uri: item.path }}
rate={1.0}
volume={1.0}
isMuted={false}
resizeMode={Video.RESIZE_MODE_CONTAIN}
isLooping={false}
style={{ width, height: calculatedHeight }}
useNativeControls
/>
</ScrollView>
);
}
// Disallow preview of images too big in order to prevent memory issues on iOS share extension
if (type?.match(/image/)) {
if (allowPreview(isShareExtension, item?.size)) {
return (
<ImageViewer
uri={item.path}
imageComponentType={isShareExtension ? types.REACT_NATIVE_IMAGE : types.FAST_IMAGE}
width={width}
height={calculatedHeight}
theme={theme}
/>
);
}
}
return (
<IconPreview
iconName={type?.match(/image/) ? 'image' : 'attach'}
title={item?.filename}
description={prettyBytes(item?.size ?? 0)}
theme={theme}
width={width}
height={calculatedHeight}
/>
);
}
return (
<IconPreview
iconName='warning'
title={I18n.t(item?.error)}
description={prettyBytes(item?.size ?? 0)}
theme={theme}
width={width}
height={calculatedHeight}
danger
/>
);
});
export default Preview;