video download and auto download, also keeped the behavior to download unsuportted videos to the gallery

app/containers/message/Components/BlurComponent.tsx

@@ -1,24 +1,23 @@
 import React from 'react';
 import { BlurView } from '@react-native-community/blur';
-import { View } from 'react-native';
+import { View, ViewStyle } from 'react-native';
 
-import styles from '../styles';
 import RCActivityIndicator from '../../ActivityIndicator';
 import { CustomIcon } from '../../CustomIcon';
 import { useTheme } from '../../../theme';
 
-const BlurComponent = ({ loading = false }: { loading: boolean }) => {
+const BlurComponent = ({ loading = false, style }: { loading: boolean; style: ViewStyle }) => {
 	const { theme, colors } = useTheme();
 
 	return (
 		<>
 			<BlurView
-				style={[styles.image, { position: 'absolute', borderWidth: 0, top: 0, left: 0, bottom: 0, right: 0 }]}
+				style={[style, { position: 'absolute', borderWidth: 0, top: 0, left: 0, bottom: 0, right: 0 }]}
 				blurType={theme === 'light' ? 'light' : 'dark'}
 				blurAmount={10}
 				reducedTransparencyFallbackColor='white'
 			/>
-			<View style={[styles.image, { position: 'absolute', justifyContent: 'center', alignItems: 'center', borderWidth: 0 }]}>
+			<View style={[style, { position: 'absolute', justifyContent: 'center', alignItems: 'center', borderWidth: 0 }]}>
 				{loading ? <RCActivityIndicator /> : <CustomIcon color={colors.buttonText} name='arrow-down-circle' size={54} />}
 			</View>
 		</>

app/containers/message/Image.tsx

@@ -65,7 +65,7 @@ export const MessageImage = React.memo(
 						color: colors.actionTintColor
 					}}
 				/>
-				{toDownload ? <BlurComponent loading={loading} /> : null}
+				{toDownload ? <BlurComponent style={styles.image} loading={loading} /> : null}
 			</>
 		);
 	}
@@ -127,8 +127,8 @@ const ImageContainer = React.memo(
 		};
 
 		const onPress = () => {
-			if (loading) {
-				return downloadResumable.current?.cancelAsync();
+			if (loading && downloadResumable.current) {
+				return downloadResumable.current.cancelAsync();
 			}
 
 			if (toDownload && !loading) {

app/containers/message/Video.tsx

@@ -1,6 +1,7 @@
-import React, { useContext, useState } from 'react';
-import { StyleProp, StyleSheet, TextStyle } from 'react-native';
+import React, { useContext, useLayoutEffect, useRef, useState } from 'react';
+import { StyleProp, StyleSheet, TextStyle, View, Text } from 'react-native';
 import { dequal } from 'dequal';
+import * as FileSystem from 'expo-file-system';
 
 import Touchable from './Touchable';
 import Markdown from '../markdown';
@@ -17,6 +18,9 @@ import RCActivityIndicator from '../ActivityIndicator';
 import { TGetCustomEmoji } from '../../definitions/IEmoji';
 import { useTheme } from '../../theme';
 import { formatAttachmentUrl } from '../../lib/methods/helpers/formatAttachmentUrl';
+import { MediaTypes, downloadMediaFile, searchMediaFileAsync } from '../../lib/methods/handleMediaDownload';
+import { isAutoDownloadEnabled } from './helpers/mediaDownload/autoDownloadPreference';
+import sharedStyles from '../../views/Styles';
 
 const SUPPORTED_TYPES = ['video/quicktime', 'video/mp4', ...(isIOS ? [] : ['video/3gp', 'video/mkv'])];
 const isTypeSupported = (type: string) => SUPPORTED_TYPES.indexOf(type) !== -1;
@@ -29,6 +33,15 @@ const styles = StyleSheet.create({
 		marginBottom: 6,
 		alignItems: 'center',
 		justifyContent: 'center'
+	},
+	cancelContainer: {
+		position: 'absolute',
+		top: 8,
+		right: 8
+	},
+	text: {
+		...sharedStyles.textRegular,
+		fontSize: 12
 	}
 });
 
@@ -38,31 +51,95 @@ interface IMessageVideo {
 	getCustomEmoji: TGetCustomEmoji;
 	style?: StyleProp<TextStyle>[];
 	isReply?: boolean;
+	messageId: string;
 }
 
+const DownloadIndicator = ({ handleCancelDownload }: { handleCancelDownload(): void }) => {
+	const { colors } = useTheme();
+
+	return (
+		<>
+			<View style={styles.cancelContainer}>
+				<Touchable background={Touchable.Ripple(colors.bannerBackground)} onPress={handleCancelDownload}>
+					<Text style={[styles.text, { color: colors.auxiliaryText }]}>{I18n.t('Cancel')}</Text>
+				</Touchable>
+			</View>
+			<RCActivityIndicator />
+		</>
+	);
+};
+
 const Video = React.memo(
-	({ file, showAttachment, getCustomEmoji, style, isReply }: IMessageVideo) => {
-		const { baseUrl, user } = useContext(MessageContext);
+	({ file, showAttachment, getCustomEmoji, style, isReply, messageId }: IMessageVideo) => {
 		const [loading, setLoading] = useState(false);
+		const { baseUrl, user } = useContext(MessageContext);
 		const { theme } = useTheme();
+		const filePath = useRef('');
+		const downloadResumable = useRef<FileSystem.DownloadResumable | null>(null);
+		const video = formatAttachmentUrl(file.video_url, user.id, user.token, baseUrl);
+
+		useLayoutEffect(() => {
+			const handleAutoDownload = async () => {
+				if (video) {
+					const searchImageBestQuality = await searchMediaFileAsync({
+						type: MediaTypes.video,
+						mimeType: file.video_type,
+						messageId
+					});
+					filePath.current = searchImageBestQuality.filePath;
+					if (searchImageBestQuality.file?.exists) {
+						file.video_url = searchImageBestQuality.file.uri;
+						return;
+					}
+
+					// We don't pass the author to avoid auto-download what the user sent
+					const autoDownload = await isAutoDownloadEnabled('imagesPreferenceDownload', { user });
+					if (autoDownload) {
+						await handleDownload();
+					}
+				}
+			};
+			handleAutoDownload();
+		}, []);
 
 		if (!baseUrl) {
 			return null;
 		}
 
+		const handleDownload = async () => {
+			setLoading(true);
+			downloadResumable.current = FileSystem.createDownloadResumable(video, filePath.current);
+			const videoUri = await downloadMediaFile({
+				url: video,
+				filePath: filePath.current,
+				downloadResumable: downloadResumable.current
+			});
+			if (videoUri) {
+				file.video_url = videoUri;
+			}
+			setLoading(false);
+		};
+
 		const onPress = async () => {
 			if (file.video_type && isTypeSupported(file.video_type) && showAttachment) {
+				// Keep the video downloading while showing the video buffering
+				handleDownload();
 				return showAttachment(file);
 			}
 
 			if (!isIOS && file.video_url) {
-				const uri = formatAttachmentUrl(file.video_url, user.id, user.token, baseUrl);
-				await downloadVideo(uri);
+				await downloadVideo(video);
 				return;
 			}
 			EventEmitter.emit(LISTENER, { message: I18n.t('Unsupported_format') });
 		};
 
+		const handleCancelDownload = () => {
+			if (loading && downloadResumable.current) {
+				return downloadResumable.current.cancelAsync();
+			}
+		};
+
 		const downloadVideo = async (uri: string) => {
 			setLoading(true);
 			const fileDownloaded = await fileDownload(uri, file);
@@ -90,7 +167,11 @@ const Video = React.memo(
 					style={[styles.button, { backgroundColor: themes[theme].videoBackground }]}
 					background={Touchable.Ripple(themes[theme].bannerBackground)}
 				>
-					{loading ? <RCActivityIndicator /> : <CustomIcon name='play-filled' size={54} color={themes[theme].buttonText} />}
+					{loading ? (
+						<DownloadIndicator handleCancelDownload={handleCancelDownload} />
+					) : (
+						<CustomIcon name='play-filled' size={54} color={themes[theme].buttonText} />
+					)}
 				</Touchable>
 			</>
 		);

app/views/SettingsView/index.tsx

@@ -101,6 +101,7 @@ const SettingsView = (): React.ReactElement => {
 				dispatch(appStart({ root: RootEnum.ROOT_LOADING, text: I18n.t('Clear_cache_loading') }));
 				await deleteAllSpecificMediaFiles(MediaTypes.image, server);
 				await deleteAllSpecificMediaFiles(MediaTypes.audio, server);
+				await deleteAllSpecificMediaFiles(MediaTypes.video, server);
 				await clearCache({ server });
 				await FastImage.clearMemoryCache();
 				await FastImage.clearDiskCache();