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import PropTypes from 'prop-types';
import React from 'react';
import bindAll from 'lodash.bindall';
import ConnectionModalComponent, {PHASES} from '../components/connection-modal/connection-modal.jsx';
import VM from 'scratch-vm';
import analytics from '../lib/analytics';
import extensionData from '../lib/libraries/extensions/index.jsx';
import {connect} from 'react-redux';
import {closeConnectionModal} from '../reducers/modals';
class ConnectionModal extends React.Component {
constructor (props) {
super(props);
bindAll(this, [
'handleScanning',
'handleCancel',
'handleConnected',
'handleConnecting',
'handleDisconnect',
'handleError',
'handleHelp'
]);
this.state = {
extension: extensionData.find(ext => ext.extensionId === props.extensionId),
phase: props.vm.getPeripheralIsConnected(props.extensionId) ?
PHASES.connected : PHASES.scanning
};
}
componentDidMount () {
this.props.vm.on('PERIPHERAL_CONNECTED', this.handleConnected);
this.props.vm.on('PERIPHERAL_REQUEST_ERROR', this.handleError);
}
componentWillUnmount () {
this.props.vm.removeListener('PERIPHERAL_CONNECTED', this.handleConnected);
this.props.vm.removeListener('PERIPHERAL_REQUEST_ERROR', this.handleError);
}
handleScanning () {
this.setState({
phase: PHASES.scanning
});
}
handleConnecting (peripheralId) {
this.props.vm.connectPeripheral(this.props.extensionId, peripheralId);
this.setState({
phase: PHASES.connecting
});
analytics.event({
category: 'extensions',
action: 'connecting',
label: this.props.extensionId
});
}
handleDisconnect () {
try {
this.props.vm.disconnectPeripheral(this.props.extensionId);
} finally {
this.props.onCancel();
}
}
handleCancel () {
try {
// If we're not connected to a peripheral, close the websocket so we stop scanning.
if (!this.props.vm.getPeripheralIsConnected(this.props.extensionId)) {
this.props.vm.disconnectPeripheral(this.props.extensionId);
}
} finally {
// Close the modal.
this.props.onCancel();
}
}
handleError () {
// Assume errors that come in during scanning phase are the result of not
// having scratch-link installed.
if (this.state.phase === PHASES.scanning || this.state.phase === PHASES.unavailable) {
this.setState({
phase: PHASES.unavailable
});
} else {
this.setState({
phase: PHASES.error
});
analytics.event({
category: 'extensions',
action: 'connecting error',
label: this.props.extensionId
});
}
}
handleConnected () {
this.setState({
phase: PHASES.connected
});
analytics.event({
category: 'extensions',
action: 'connected',
label: this.props.extensionId
});
}
handleHelp () {
window.open(this.state.extension.helpLink, '_blank');
analytics.event({
category: 'extensions',
action: 'help',
label: this.props.extensionId
});
}
render () {
return (
<ConnectionModalComponent
connectingMessage={this.state.extension && this.state.extension.connectingMessage}
connectionIconURL={this.state.extension && this.state.extension.connectionIconURL}
connectionSmallIconURL={this.state.extension && this.state.extension.connectionSmallIconURL}
connectionTipIconURL={this.state.extension && this.state.extension.connectionTipIconURL}
extensionId={this.props.extensionId}
name={this.state.extension && this.state.extension.name}
phase={this.state.phase}
title={this.props.extensionId}
useAutoScan={this.state.extension && this.state.extension.useAutoScan}
vm={this.props.vm}
onCancel={this.handleCancel}
onConnected={this.handleConnected}
onConnecting={this.handleConnecting}
onDisconnect={this.handleDisconnect}
onHelp={this.handleHelp}
onScanning={this.handleScanning}
/>
);
}
}
ConnectionModal.propTypes = {
extensionId: PropTypes.string.isRequired,
onCancel: PropTypes.func.isRequired,
vm: PropTypes.instanceOf(VM).isRequired
};
const mapStateToProps = state => ({
extensionId: state.scratchGui.connectionModal.extensionId
});
const mapDispatchToProps = dispatch => ({
onCancel: () => {
dispatch(closeConnectionModal());
}
});
export default connect(
mapStateToProps,
mapDispatchToProps
)(ConnectionModal);
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