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import clsx from 'clsx';
import PropTypes from 'prop-types';
import { Component } from 'react';
import { connect } from 'react-redux';
import TranslatableString from 'calypso/components/translatable/proptype';
import { setUnseenCount } from 'calypso/state/notifications/actions';
import getUnseenCount from 'calypso/state/selectors/get-notification-unseen-count';
import hasUnseenNotifications from 'calypso/state/selectors/has-unseen-notifications';
import isNotificationsOpen from 'calypso/state/selectors/is-notifications-open';
import { toggleNotificationsPanel } from 'calypso/state/ui/actions';
import MasterbarItem from '../item';
import { BellIcon } from './notifications-bell-icon';
import './notifications-style.scss';
class MasterbarItemNotifications extends Component {
static propTypes = {
isActive: PropTypes.bool,
className: PropTypes.string,
tooltip: TranslatableString,
//connected
isNotificationsOpen: PropTypes.bool,
hasUnseenNotifications: PropTypes.bool,
unseenCount: PropTypes.number,
};
state = {
animationState: 0,
// unseenCount is null on initial load, so we use hasUnseenNotifications which checks user
// data as well.
newNote: this.props.hasUnseenNotifications,
};
componentDidUpdate( prevProps ) {
if ( ! this.props.isNotificationsOpen && prevProps.unseenCount !== this.props.unseenCount ) {
this.setNotesIndicator( this.props.unseenCount, prevProps.unseenCount );
}
if ( ! prevProps.isNotificationsOpen && this.props.isNotificationsOpen ) {
this.setNotesIndicator( 0 );
// Ensure we setUnseenCount when opening notes panel. The panel only calls this on
// APP_RENDER_NOTES which is not consistently called when opening the panel.
this.props.setUnseenCount( 0 );
}
}
toggleNotesFrame = ( event ) => {
event.preventDefault();
event.stopPropagation();
// Get URL and if it matches "/reader/notifications", don't open the panel
// As it will cause duplicate notification panels to show
if ( window.location.pathname === '/reader/notifications' ) {
return;
}
this.props.toggleNotificationsPanel();
};
/**
* Uses the passed number of unseen notifications
* and the locally-stored cache of that value to
* determine what state the notifications indicator
* should be in: on, off, or animate-to-on
* @param {number} currentUnseenCount Number of reported unseen notifications
*/
setNotesIndicator = ( currentUnseenCount, prevUnseenCount ) => {
let newAnimationState = this.state.animationState;
if ( 0 === currentUnseenCount ) {
// If we don't have new notes at load-time, remove the `-1` "init" status
newAnimationState = 0;
} else if ( currentUnseenCount > prevUnseenCount ) {
// Animate the indicator bubble by swapping CSS classes through the animation state
// Note that we could have an animation state of `-1` indicating the initial load
newAnimationState = 1 - Math.abs( this.state.animationState );
}
this.setState( {
newNote: currentUnseenCount > 0,
animationState: newAnimationState,
} );
};
render() {
const classes = clsx( this.props.className, 'masterbar-notifications', {
'is-active':
this.props.isNotificationsOpen || window.location.pathname === '/reader/notifications',
'has-unread': this.state.newNote,
'is-initial-load': this.state.animationState === -1,
} );
return (
<>
<MasterbarItem
url="/notifications"
icon={ <BellIcon newItems={ this.state.newNote } active={ this.props.isActive } /> }
onClick={ this.toggleNotesFrame }
isActive={ this.props.isActive }
tooltip={ this.props.tooltip }
className={ classes }
key={ this.state.animationState }
/>
</>
);
}
}
const mapStateToProps = ( state ) => {
return {
isNotificationsOpen: isNotificationsOpen( state ),
unseenCount: getUnseenCount( state ),
hasUnseenNotifications: hasUnseenNotifications( state ),
};
};
const mapDispatchToProps = {
toggleNotificationsPanel,
setUnseenCount,
};
export default connect( mapStateToProps, mapDispatchToProps )( MasterbarItemNotifications );
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