jiti-meet/react/features/invite/components/DialInNumbersForm.js

405 lines
12 KiB
JavaScript

import { StatelessDropdownMenu } from '@atlaskit/dropdown-menu';
import ExpandIcon from '@atlaskit/icon/glyph/expand';
import React, { Component } from 'react';
import { connect } from 'react-redux';
import { translate } from '../../base/i18n';
import { updateDialInNumbers } from '../actions';
const logger = require('jitsi-meet-logger').getLogger(__filename);
const EXPAND_ICON = <ExpandIcon label = 'expand' />;
/**
* React {@code Component} responsible for fetching and displaying telephone
* numbers for dialing into the conference. Also supports copying a selected
* dial-in number to the clipboard.
*
* @extends Component
*/
class DialInNumbersForm extends Component {
/**
* {@code DialInNumbersForm}'s property types.
*
* @static
*/
static propTypes = {
/**
* The redux state representing the dial-in numbers feature.
*/
_dialIn: React.PropTypes.object,
/**
* The url for retrieving dial-in numbers.
*/
dialInNumbersUrl: React.PropTypes.string,
/**
* Invoked to send an ajax request for dial-in numbers.
*/
dispatch: React.PropTypes.func,
/**
* Invoked to obtain translated strings.
*/
t: React.PropTypes.func
}
/**
* Initializes a new {@code DialInNumbersForm} instance.
*
* @param {Object} props - The read-only properties with which the new
* instance is to be initialized.
*/
constructor(props) {
super(props);
this.state = {
/**
* Whether or not the dropdown should be open.
*
* @type {boolean}
*/
isDropdownOpen: false,
/**
* The dial-in number to display as currently selected in the
* dropdown. The value should be an object which has two key/value
* pairs, content and number. The value of "content" will display in
* the dropdown while the value of "number" is a substring of
* "content" which will be copied to clipboard.
*
* @type {object}
*/
selectedNumber: null
};
/**
* The internal reference to the DOM/HTML element backing the React
* {@code Component} input. It is necessary for the implementation of
* copying to the clipboard.
*
* @private
* @type {HTMLInputElement}
*/
this._inputElement = null;
// Bind event handlers so they are only bound once for every instance.
this._onClick = this._onClick.bind(this);
this._onOpenChange = this._onOpenChange.bind(this);
this._onSelect = this._onSelect.bind(this);
this._setInput = this._setInput.bind(this);
}
/**
* Dispatches a request for numbers if not already present in the redux
* store. If numbers are present, sets a default number to display in the
* dropdown trigger.
*
* @inheritdoc
* returns {void}
*/
componentDidMount() {
if (this.props._dialIn.numbers) {
this._setDefaultNumber(this.props._dialIn.numbers);
} else {
this.props.dispatch(
updateDialInNumbers(this.props.dialInNumbersUrl));
}
}
/**
* Monitors for number updates and sets a default number to display in the
* dropdown trigger if not already set.
*
* @inheritdoc
* returns {void}
*/
componentWillReceiveProps(nextProps) {
if (!this.state.selectedNumber && nextProps._dialIn.numbers) {
this._setDefaultNumber(nextProps._dialIn.numbers);
}
}
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const { t, _dialIn } = this.props;
const numbers = _dialIn.numbers;
const items = numbers ? this._formatNumbers(numbers) : [];
const isEnabled = this._isDropdownEnabled();
const inputWrapperClassNames
= `form-control__container ${isEnabled ? '' : 'is-disabled'}
${_dialIn.loading ? 'is-loading' : ''}`;
let triggerText = '';
if (!_dialIn.numbersEnabled) {
triggerText = t('invite.numbersDisabled');
} else if (this.state.selectedNumber
&& this.state.selectedNumber.content) {
triggerText = this.state.selectedNumber.content;
} else if (!numbers && _dialIn.loading) {
triggerText = t('invite.loadingNumbers');
} else if (_dialIn.error) {
triggerText = t('invite.errorFetchingNumbers');
} else {
triggerText = t('invite.noNumbers');
}
return (
<div className = 'form-control dial-in-numbers'>
<label className = 'form-control__label'>
{ t('invite.dialInNumbers') }
</label>
<div className = { inputWrapperClassNames }>
{ this._createDropdownMenu(items, triggerText) }
<button
className = 'button-control button-control_light'
disabled = { !isEnabled }
onClick = { this._onClick }
type = 'button'>
Copy
</button>
</div>
</div>
);
}
/**
* Creates a {@code StatelessDropdownMenu} instance.
*
* @param {Array} items - The content to display within the dropdown.
* @param {string} triggerText - The text to display within the
* trigger element.
* @returns {ReactElement}
*/
_createDropdownMenu(items, triggerText) {
return (
<StatelessDropdownMenu
isOpen = { this.state.isDropdownOpen }
items = { [ { items } ] }
onItemActivated = { this._onSelect }
onOpenChange = { this._onOpenChange }
shouldFitContainer = { true }>
{ this._createDropdownTrigger(triggerText) }
</StatelessDropdownMenu>
);
}
/**
* Creates a React {@code Component} with a redonly HTMLInputElement as a
* trigger for displaying the dropdown menu. The {@code Component} will also
* display the currently selected number.
*
* @param {string} triggerText - Text to display in the HTMLInputElement.
* @private
* @returns {ReactElement}
*/
_createDropdownTrigger(triggerText) {
return (
<div className = 'dial-in-numbers-trigger'>
<input
className = 'input-control'
readOnly = { true }
ref = { this._setInput }
type = 'text'
value = { triggerText || '' } />
<span className = 'dial-in-numbers-trigger-icon'>
{ EXPAND_ICON }
</span>
</div>
);
}
/**
* Detects whether the response from dialInNumbersUrl returned an array or
* an object with dial-in numbers and calls the appropriate method to
* transform the numbers into the format expected by
* {@code StatelessDropdownMenu}.
*
* @param {Array<string>|Object} dialInNumbers - The numbers returned from
* requesting dialInNumbersUrl.
* @private
* @returns {Array<Object>}
*/
_formatNumbers(dialInNumbers) {
if (Array.isArray(dialInNumbers)) {
return this._formatNumbersArray(dialInNumbers);
}
return this._formatNumbersObject(dialInNumbers);
}
/**
* Transforms the passed in numbers array into an array of objects that can
* be parsed by {@code StatelessDropdownMenu}.
*
* @param {Array<string>} dialInNumbers - An array with dial-in numbers to
* display and copy.
* @private
* @returns {Array<Object>}
*/
_formatNumbersArray(dialInNumbers) {
return dialInNumbers.map(number => {
return {
content: number,
number
};
});
}
/**
* Transforms the passed in numbers object into an array of objects that can
* be parsed by {@code StatelessDropdownMenu}.
*
* @param {Object} dialInNumbers - The numbers object to parse. The
* expected format is an object with keys being the name of the country
* and the values being an array of numbers as strings.
* @private
* @returns {Array<Object>}
*/
_formatNumbersObject(dialInNumbers) {
const phoneRegions = Object.keys(dialInNumbers);
if (!phoneRegions.length) {
return [];
}
const formattedNumbeers = phoneRegions.map(region => {
const numbers = dialInNumbers[region];
return numbers.map(number => {
return {
content: `${region}: ${number}`,
number
};
});
});
return Array.prototype.concat(...formattedNumbeers);
}
/**
* Determines if the dropdown can be opened.
*
* @private
* @returns {boolean} True if the dropdown can be opened.
*/
_isDropdownEnabled() {
const { selectedNumber } = this.state;
return Boolean(
this.props._dialIn.numbersEnabled
&& selectedNumber
&& selectedNumber.content
);
}
/**
* Copies part of the number displayed in the dropdown trigger into the
* clipboard. Only the value specified in selectedNumber.number, which
* should be a substring of the displayed value, will be copied.
*
* @private
* @returns {void}
*/
_onClick() {
const displayedValue = this.state.selectedNumber.content;
const desiredNumber = this.state.selectedNumber.number;
const startIndex = displayedValue.indexOf(desiredNumber);
try {
this._input.focus();
this._input.setSelectionRange(startIndex, displayedValue.length);
document.execCommand('copy');
this._input.blur();
} catch (err) {
logger.error('error when copying the text', err);
}
}
/**
* Sets the internal state to either open or close the dropdown. If the
* dropdown is disabled, the state will always be set to false.
*
* @param {Object} dropdownEvent - The even returned from clicking on the
* dropdown trigger.
* @private
* @returns {void}
*/
_onOpenChange(dropdownEvent) {
this.setState({
isDropdownOpen: this._isDropdownEnabled() && dropdownEvent.isOpen
});
}
/**
* Updates the internal state of the currently selected number.
*
* @param {Object} selection - Event from choosing an dropdown option.
* @private
* @returns {void}
*/
_onSelect(selection) {
this.setState({
isDropdownOpen: false,
selectedNumber: selection.item
});
}
/**
* Updates the internal state of the currently selected number by defaulting
* to the first available number.
*
* @param {Object} dialInNumbers - The array or object of numbers to parse.
* @private
* @returns {void}
*/
_setDefaultNumber(dialInNumbers) {
const numbers = this._formatNumbers(dialInNumbers);
this.setState({
selectedNumber: numbers[0]
});
}
/**
* Sets the internal reference to the DOM/HTML element backing the React
* {@code Component} input.
*
* @param {HTMLInputElement} element - The DOM/HTML element for this
* {@code Component}'s input.
* @private
* @returns {void}
*/
_setInput(element) {
this._input = element;
}
}
/**
* Maps (parts of) the Redux state to the associated
* {@code DialInNumbersForm}'s props.
*
* @param {Object} state - The Redux state.
* @private
* @returns {{
* _dialIn: React.PropTypes.object
* }}
*/
function _mapStateToProps(state) {
return {
_dialIn: state['features/invite/dial-in']
};
}
export default translate(connect(_mapStateToProps)(DialInNumbersForm));