filestash/client/pages/viewerpage/menubar.js

import React from "react";
import PropTypes from "prop-types";
import ReactCSSTransitionGroup from "react-addons-css-transition-group";

import { Container, NgIf, Icon } from "../../components/";
import "./menubar.scss";


export const MenuBar = (props) => {
    return (
        <div className="component_menubar">
            <Container>
                <ReactCSSTransitionGroup
                    transitionName="menubar" transitionLeave={false} transitionEnter={false}
                    transitionAppear={true} transitionAppearTimeout={550}>
                    <div className="titlebar" style={{ letterSpacing: "0.3px" }}>{props.title}</div>
                    <div className="action-item no-select">
                        <span className="specific">
                            {props.children}
                            <span id="chromecast-target"></span>
                        </span>
                        {
                            props.download === null ?
                                null :
                                <DownloadButton link={props.download} name={props.title} />
                        }
                    </div>
                </ReactCSSTransitionGroup>
            </Container>
        </div>
    );
};

class DownloadButton extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            loading: false,
            id: null,
        };
    }

    onDownloadRequest() {
        this.setState({
            loading: true,
        });
        document.cookie = "download=yes; path=/; max-age=120;";
        this.setState({
            id: window.setInterval(() => {
                if (/download=yes/.test(document.cookie) === false) {
                    window.clearInterval(this.state.id);
                    this.setState({ loading: false });
                }
            }, 100),
        });
    }

    componentWillUnmount() {
        window.clearInterval(this.state.id);
    }

    render() {
        return (
            <span className="download-button">
                <NgIf cond={!this.state.loading} type="inline">
                    <a
                        href={this.props.link}
                        download={this.props.name}
                        onClick={this.onDownloadRequest.bind(this)}>
                        <Icon name="download_white" />
                    </a>
                </NgIf>
                <NgIf cond={this.state.loading} type="inline">
                    <Icon name="loading_white" />
                </NgIf>
            </span>
        );
    }
}
DownloadButton.propTypes = {
    link: PropTypes.string.isRequired,
    name: PropTypes.string.isRequired,
};