149 lines
4.0 KiB
JavaScript
149 lines
4.0 KiB
JavaScript
// @flow
|
|
|
|
import { Component } from 'react';
|
|
|
|
import { getOverlayToRender } from '../../overlay';
|
|
|
|
import { hideNotification } from '../actions';
|
|
|
|
export type Props = {
|
|
|
|
/**
|
|
* The notifications to be displayed, with the first index being the
|
|
* notification at the top and the rest shown below it in order.
|
|
*/
|
|
_notifications: Array<Object>,
|
|
|
|
/**
|
|
* Invoked to update the redux store in order to remove notifications.
|
|
*/
|
|
dispatch: Function
|
|
};
|
|
|
|
/**
|
|
* Abstract class for {@code NotificationsContainer} component.
|
|
*/
|
|
export default class AbstractNotificationsContainer<P: Props>
|
|
extends Component<P> {
|
|
/**
|
|
* A timeout id returned by setTimeout.
|
|
*/
|
|
_notificationDismissTimeout: ?TimeoutID;
|
|
|
|
/**
|
|
* Initializes a new {@code AbstractNotificationsContainer} instance.
|
|
*
|
|
* @inheritdoc
|
|
*/
|
|
constructor(props: P) {
|
|
super(props);
|
|
|
|
/**
|
|
* The timeout set for automatically dismissing a displayed
|
|
* notification. This value is set on the instance and not state to
|
|
* avoid additional re-renders.
|
|
*
|
|
* @type {number|null}
|
|
*/
|
|
this._notificationDismissTimeout = null;
|
|
|
|
// Bind event handlers so they are only bound once for every instance.
|
|
this._onDismissed = this._onDismissed.bind(this);
|
|
}
|
|
|
|
/**
|
|
* Sets a timeout if the currently displayed notification has changed.
|
|
*
|
|
* @inheritdoc
|
|
*/
|
|
componentDidUpdate(prevProps: P) {
|
|
const { _notifications } = this.props;
|
|
|
|
if (_notifications.length) {
|
|
const notification = _notifications[0];
|
|
const previousNotification
|
|
= prevProps._notifications.length
|
|
? prevProps._notifications[0]
|
|
: undefined;
|
|
|
|
if (notification !== previousNotification) {
|
|
this._clearNotificationDismissTimeout();
|
|
|
|
if (notification) {
|
|
const { timeout, uid } = notification;
|
|
|
|
this._notificationDismissTimeout = setTimeout(() => {
|
|
// Perform a no-op if a timeout is not specified.
|
|
if (Number.isInteger(timeout)) {
|
|
this._onDismissed(uid);
|
|
}
|
|
}, timeout);
|
|
}
|
|
}
|
|
} else if (this._notificationDismissTimeout) {
|
|
// Clear timeout when all notifications are cleared (e.g external
|
|
// call to clear them)
|
|
this._clearNotificationDismissTimeout();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clear any dismissal timeout that is still active.
|
|
*
|
|
* @inheritdoc
|
|
* returns {void}
|
|
*/
|
|
componentWillUnmount() {
|
|
this._clearNotificationDismissTimeout();
|
|
}
|
|
|
|
_onDismissed: number => void;
|
|
|
|
/**
|
|
* Clears the running notification dismiss timeout, if any.
|
|
*
|
|
* @returns {void}
|
|
*/
|
|
_clearNotificationDismissTimeout() {
|
|
this._notificationDismissTimeout
|
|
&& clearTimeout(this._notificationDismissTimeout);
|
|
|
|
this._notificationDismissTimeout = null;
|
|
}
|
|
|
|
/**
|
|
* Emits an action to remove the notification from the redux store so it
|
|
* stops displaying.
|
|
*
|
|
* @param {number} uid - The id of the notification to be removed.
|
|
* @private
|
|
* @returns {void}
|
|
*/
|
|
_onDismissed(uid) {
|
|
this._clearNotificationDismissTimeout();
|
|
|
|
this.props.dispatch(hideNotification(uid));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Maps (parts of) the Redux state to the associated NotificationsContainer's
|
|
* props.
|
|
*
|
|
* @param {Object} state - The Redux state.
|
|
* @private
|
|
* @returns {{
|
|
* _notifications: Array
|
|
* }}
|
|
*/
|
|
export function _abstractMapStateToProps(state: Object) {
|
|
const isAnyOverlayVisible = Boolean(getOverlayToRender(state));
|
|
const { enabled, notifications } = state['features/notifications'];
|
|
const { calleeInfoVisible } = state['features/invite'];
|
|
|
|
return {
|
|
_notifications: enabled && !isAnyOverlayVisible && !calleeInfoVisible
|
|
? notifications : []
|
|
};
|
|
}
|