mattermost-mobile/app/components/failed_network_action/index.js

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

import React, {PureComponent} from 'react';
import PropTypes from 'prop-types';
import {Text, View} from 'react-native';
import {intlShape} from 'react-intl';
import Button from 'react-native-button';

import {changeOpacity, makeStyleSheetFromTheme} from '@utils/theme';

import Cloud from './cloud';

export default class FailedNetworkAction extends PureComponent {
    static propTypes = {
        onRetry: PropTypes.func.isRequired,
        actionText: PropTypes.string,
        errorMessage: PropTypes.string,
        errorTitle: PropTypes.string,
        theme: PropTypes.object.isRequired,
    };

    static contextTypes = {
        intl: intlShape.isRequired,
    };

    static defaultProps = {
        showAction: true,
    };

    render() {
        const {formatMessage} = this.context.intl;
        const {onRetry, theme} = this.props;
        const style = getStyleFromTheme(theme);

        const actionText = this.props.actionText || formatMessage({
            id: 'mobile.failed_network_action.retry',
            defaultMessage: 'Try again',
        });
        const errorTitle = this.props.errorTitle || formatMessage({
            id: 'mobile.failed_network_action.title',
            defaultMessage: 'No internet connection',
        });
        const errorMessage = this.props.errorMessage || formatMessage({
            id: 'mobile.failed_network_action.shortDescription',
            defaultMessage: 'Messages will load when you have an internet connection.',
        });

        return (
            <View style={style.container}>
                <Cloud
                    color={changeOpacity(theme.centerChannelColor, 0.15)}
                    height={76}
                    width={76}
                />
                <Text style={style.title}>{errorTitle}</Text>
                <Text style={style.description}>{errorMessage}</Text>
                <Button
                    onPress={onRetry}
                    containerStyle={style.buttonContainer}
                >
                    <Text style={style.link}>{actionText}</Text>
                </Button>
            </View>
        );
    }
}

const getStyleFromTheme = makeStyleSheetFromTheme((theme) => {
    return {
        container: {
            alignItems: 'center',
            flex: 1,
            justifyContent: 'center',
            paddingHorizontal: 15,
            paddingBottom: 100,
        },
        title: {
            color: changeOpacity(theme.centerChannelColor, 0.8),
            fontSize: 20,
            fontWeight: '600',
            marginBottom: 15,
            marginTop: 10,
        },
        description: {
            color: changeOpacity(theme.centerChannelColor, 0.4),
            fontSize: 17,
            lineHeight: 25,
            textAlign: 'center',
        },
        link: {
            color: theme.buttonColor,
            fontSize: 15,
        },
        buttonContainer: {
            backgroundColor: theme.buttonBg,
            borderRadius: 5,
            height: 42,
            justifyContent: 'center',
            marginTop: 20,
            paddingHorizontal: 12,
        },
    };
});