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// @flow
import React, { Component } from 'react';
import { Layout, Container, Header } from './Layout';
import CustomScrollbars from './CustomScrollbars';
import Accordion from './Accordion';
import ChevronDownSVG from '../assets/images/icon-chevron-down.svg';
import ChevronUpSVG from '../assets/images/icon-chevron-up.svg';
import TickSVG from '../assets/images/icon-tick.svg';
import type { SettingsReduxState } from '../redux/settings/reducers';
import type { RelayLocation, RelayListCity, RelayListCountry } from '../lib/ipc-facade';
export type SelectLocationProps = {
settings: SettingsReduxState,
onClose: () => void;
onSelect: (location: RelayLocation) => void;
};
export default class SelectLocation extends Component {
props: SelectLocationProps;
_selectedCell: ?HTMLElement;
state = {
expanded: ([]: Array<string>),
};
constructor(props: SelectLocationProps, context?: any) {
super(props, context);
// set initially expanded country based on relaySettings
const relaySettings = this.props.settings.relaySettings;
if(relaySettings.normal) {
const { location } = relaySettings.normal;
if(location === 'any') {
// no-op
} else if(location.country) {
this.state.expanded.push(location.country);
} else if(location.city) {
this.state.expanded.push(location.city[0]);
}
}
}
componentDidMount() {
// restore scroll to selected cell
const cell = this._selectedCell;
if(cell) {
// this is non-standard webkit method but it works great!
if(typeof(cell.scrollIntoViewIfNeeded) !== 'function') {
console.warn('HTMLElement.scrollIntoViewIfNeeded() is not available anymore! Please replace it with viable alternative.');
return;
}
cell.scrollIntoViewIfNeeded(true);
}
}
render() {
return (
<Layout>
<Header hidden={ true } style={ 'defaultDark' } />
<Container>
<div className="select-location">
<button className="select-location__close" onClick={ this.props.onClose } />
<div className="select-location__container">
<div className="select-location__header">
<h2 className="select-location__title">Select location</h2>
</div>
<CustomScrollbars autoHide={ true }>
<div>
<div className="select-location__subtitle">
While connected, your real location is masked with a private and secure location in the selected region
</div>
{ this.props.settings.relayLocations.countries.map((relayCountry) => {
return this._renderCountry(relayCountry);
}) }
</div>
</CustomScrollbars>
</div>
</div>
</Container>
</Layout>
);
}
_isSelected(selectedLocation: RelayLocation) {
const { relaySettings } = this.props.settings;
if(relaySettings.normal) {
const otherLocation = relaySettings.normal.location;
if(selectedLocation.country && otherLocation.country &&
selectedLocation.country === otherLocation.country) {
return true;
}
if(Array.isArray(selectedLocation.city) && Array.isArray(otherLocation.city)) {
const selectedCity = selectedLocation.city;
const otherCity = otherLocation.city;
return selectedCity.length === otherCity.length &&
selectedCity.every((v, i) => v === otherCity[i]);
}
}
return false;
}
_toggleCollapse = (countryCode: string) => {
this.setState((state) => {
const expanded = state.expanded.slice();
const index = expanded.indexOf(countryCode);
if(index === -1) {
expanded.push(countryCode);
} else {
expanded.splice(index, 1);
}
return { expanded };
});
}
_relayStatusIndicator(active: boolean) {
const statusClass = active ? 'select-location-relay-status--active' : 'select-location-relay-status--inactive';
return (<div className={ 'select-location-relay-status ' + statusClass }></div>);
}
_renderCountry(relayCountry: RelayListCountry) {
const countryHasActiveRelays = relayCountry.cities.some((relayCity) => {
return relayCity.has_active_relays;
});
const isSelected = this._isSelected({ country: relayCountry.code });
// either expanded by user or when the city selected within the country
const isExpanded = this.state.expanded.includes(relayCountry.code);
const handleSelect = (countryHasActiveRelays && !isSelected) ? () => {
this.props.onSelect({ country: relayCountry.code });
} : undefined;
const handleCollapse = (e) => {
this._toggleCollapse(relayCountry.code);
e.stopPropagation();
};
const countryClass = 'select-location__cell ' +
(isSelected ? 'select-location__cell--selected' : '');
const onRef = isSelected ? (element) => {
this._selectedCell = element;
} : undefined;
return (
<div key={ relayCountry.code } className="select-location__country">
<div className={ countryClass }
onClick={ handleSelect }
ref={ onRef }>
<div className="select-location__cell-content">
<div className="select-location__cell-icon">
{ isSelected ?
<TickSVG /> :
this._relayStatusIndicator(countryHasActiveRelays) }
</div>
<div className="select-location__cell-label">{ relayCountry.name }</div>
</div>
{ countryHasActiveRelays && <button type="button" className="select-location__collapse-button" onClick={ handleCollapse }>
{ isExpanded ?
<ChevronUpSVG className="select-location__collapse-icon" /> :
<ChevronDownSVG className="select-location__collapse-icon" /> }
</button> }
</div>
{ countryHasActiveRelays && relayCountry.cities.length > 0 &&
(<Accordion className="select-location__cities" height={ isExpanded ? 'auto' : 0 }>
{ relayCountry.cities.map((relayCity) => this._renderCity(relayCountry.code, relayCity)) }
</Accordion>)
}
</div>
);
}
_renderCity(countryCode: string, relayCity: RelayListCity) {
const relayLocation: RelayLocation = { city: [countryCode, relayCity.code] };
const isSelected = this._isSelected(relayLocation);
const cityHasActiveRelays = relayCity.has_active_relays;
const key = countryCode + '_' + relayCity.code;
const cityClass = 'select-location__sub-cell ' +
(isSelected ? 'select-location__sub-cell--selected' : '');
const handleSelect = (cityHasActiveRelays && !isSelected) ? () => {
this.props.onSelect(relayLocation);
} : undefined;
const onRef = isSelected ? (element) => {
this._selectedCell = element;
} : undefined;
return (
<div key={ key }
className={ cityClass }
onClick={ handleSelect }
ref={ onRef }>
<div className="select-location__cell-icon">
{ isSelected ?
<TickSVG /> :
this._relayStatusIndicator(cityHasActiveRelays) }
</div>
<div className="select-location__cell-label">{ relayCity.name }</div>
</div>
);
}
}
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