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OTSession.js
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OTSession.js
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import React, { Component, Children, cloneElement } from 'react';
import { View, ViewPropTypes } from 'react-native';
import PropTypes from 'prop-types';
import { pick, isNull } from 'underscore';
import { setNativeEvents, removeNativeEvents, OT } from './OT';
import { sanitizeSessionEvents, sanitizeSessionOptions, sanitizeSignalData,
sanitizeCredentials, getConnectionStatus } from './helpers/OTSessionHelper';
import { handleError } from './OTError';
import { logOT, getOtrnErrorEventHandler } from './helpers/OTHelper';
import OTContext from './contexts/OTContext';
export default class OTSession extends Component {
constructor(props) {
super(props);
this.state = {
sessionInfo: null,
};
this.otrnEventHandler = getOtrnErrorEventHandler(this.props.eventHandlers);
this.initComponent();
}
initComponent = () => {
const credentials = pick(this.props, ['apiKey', 'sessionId', 'token']);
this.sanitizedCredentials = sanitizeCredentials(credentials);
if (Object.keys(this.sanitizedCredentials).length === 3) {
const sessionEvents = sanitizeSessionEvents(this.sanitizedCredentials.sessionId, this.props.eventHandlers);
setNativeEvents(sessionEvents);
}
}
componentDidMount() {
const sessionOptions = sanitizeSessionOptions(this.props.options);
const { apiKey, sessionId, token } = this.sanitizedCredentials;
if (apiKey && sessionId && token) {
this.createSession(this.sanitizedCredentials, sessionOptions);
logOT({ apiKey, sessionId, action: 'rn_initialize', proxyUrl: sessionOptions.proxyUrl });
} else {
handleError('Please check your OpenTok credentials.');
}
}
componentDidUpdate(previousProps) {
const useDefault = (value, defaultValue) => (value === undefined ? defaultValue : value);
const shouldUpdate = (key, defaultValue) => {
const previous = useDefault(previousProps[key], defaultValue);
const current = useDefault(this.props[key], defaultValue);
return previous !== current;
};
const updateSessionProperty = (key, defaultValue) => {
if (shouldUpdate(key, defaultValue)) {
const value = useDefault(this.props[key], defaultValue);
this.signal(value);
}
};
updateSessionProperty('signal', {});
}
componentWillUnmount() {
this.disconnectSession();
}
createSession(credentials, sessionOptions) {
const { signal } = this.props;
const { apiKey, sessionId, token } = credentials;
OT.initSession(apiKey, sessionId, sessionOptions);
OT.connect(sessionId, token, (error) => {
if (error) {
this.otrnEventHandler(error);
} else {
OT.getSessionInfo(sessionId, (session) => {
if (!isNull(session)) {
const sessionInfo = { ...session, connectionStatus: getConnectionStatus(session.connectionStatus)};
this.setState({
sessionInfo,
});
logOT({ apiKey, sessionId, action: 'rn_on_connect', proxyUrl: sessionOptions.proxyUrl, connectionId: session.connection.connectionId });
if (Object.keys(signal).length > 0) {
this.signal(signal);
}
}
});
}
});
}
disconnectSession() {
OT.disconnectSession(this.props.sessionId, (disconnectError) => {
if (disconnectError) {
this.otrnEventHandler(disconnectError);
} else {
const events = sanitizeSessionEvents(this.props.sessionId, this.props.eventHandlers);
removeNativeEvents(events);
}
});
}
getSessionInfo() {
return this.state.sessionInfo;
}
signal(signal) {
const signalData = sanitizeSignalData(signal);
OT.sendSignal(this.props.sessionId, signalData.signal, signalData.errorHandler);
}
render() {
const { style, children, sessionId, apiKey, token } = this.props;
const { sessionInfo } = this.state;
if (children && sessionId && apiKey && token) {
return (
<OTContext.Provider value={{ sessionId, sessionInfo }}>
<View style={style}>
{ children }
</View>
</OTContext.Provider>
);
}
return <View />;
}
}
OTSession.propTypes = {
apiKey: PropTypes.string.isRequired,
sessionId: PropTypes.string.isRequired,
token: PropTypes.string.isRequired,
children: PropTypes.oneOfType([
PropTypes.element,
PropTypes.arrayOf(PropTypes.element),
]),
style: ViewPropTypes.style,
eventHandlers: PropTypes.object, // eslint-disable-line react/forbid-prop-types
options: PropTypes.object, // eslint-disable-line react/forbid-prop-types
signal: PropTypes.object, // eslint-disable-line react/forbid-prop-types
};
OTSession.defaultProps = {
eventHandlers: {},
options: {},
signal: {},
style: {
flex: 1
},
};