verdnatura-chat/app/views/RoomView/LoadMore/index.tsx

65 lines
1.6 KiB
TypeScript

import React, { useCallback, useEffect, useState } from 'react';
import { ActivityIndicator, StyleSheet, Text } from 'react-native';
import { themes } from '../../../constants/colors';
import { MESSAGE_TYPE_LOAD_NEXT_CHUNK, MESSAGE_TYPE_LOAD_PREVIOUS_CHUNK } from '../../../constants/messageTypeLoad';
import { useTheme } from '../../../theme';
import Touch from '../../../utils/touch';
import sharedStyles from '../../Styles';
import I18n from '../../../i18n';
const styles = StyleSheet.create({
button: {
paddingVertical: 16,
alignItems: 'center',
justifyContent: 'center'
},
text: {
fontSize: 16,
...sharedStyles.textMedium
}
});
const LoadMore = ({ load, type, runOnRender }: { load: Function; type: string; runOnRender: boolean }): React.ReactElement => {
const { theme } = useTheme();
const [loading, setLoading] = useState(false);
const handleLoad = useCallback(async () => {
try {
if (loading) {
return;
}
setLoading(true);
await load();
} finally {
setLoading(false);
}
}, [loading]);
useEffect(() => {
if (runOnRender) {
handleLoad();
}
}, []);
let text = 'Load_More';
if (type === MESSAGE_TYPE_LOAD_NEXT_CHUNK) {
text = 'Load_Newer';
}
if (type === MESSAGE_TYPE_LOAD_PREVIOUS_CHUNK) {
text = 'Load_Older';
}
return (
<Touch onPress={handleLoad} style={styles.button} theme={theme} enabled={!loading}>
{loading ? (
<ActivityIndicator color={themes[theme].auxiliaryText} />
) : (
<Text style={[styles.text, { color: themes[theme].titleText }]}>{I18n.t(text)}</Text>
)}
</Touch>
);
};
export default LoadMore;