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/* global WP_Smush */
/* global ajaxurl */
/**
* CDN functionality.
*
* @since 3.0
*/
( function() {
'use strict';
WP_Smush.CDN = {
cdnEnableButton: document.getElementById( 'smush-enable-cdn' ),
cdnDisableButton: document.getElementById( 'smush-cancel-cdn' ),
cdnStatsBox: document.querySelector( '.smush-cdn-stats' ),
init() {
/**
* Handle "Get Started" button click on disabled CDN page.
*/
if ( this.cdnEnableButton ) {
this.cdnEnableButton.addEventListener( 'click', ( e ) => {
e.currentTarget.classList.add( 'sui-button-onload' );
// Force repaint of the spinner.
const loader = e.currentTarget.querySelector( '.sui-icon-loader' );
loader.style.display = 'none';
loader.style.display = 'flex';
this.toggle_cdn( true );
} );
}
/**
* Handle "Deactivate' button click on CDN page.
*/
if ( this.cdnDisableButton ) {
this.cdnDisableButton.addEventListener( 'click', ( e ) => {
e.preventDefault();
this.toggle_cdn( false );
} );
}
this.updateStatsBox();
},
/**
* Toggle CDN.
*
* @since 3.0
*
* @param {boolean} enable
*/
toggle_cdn( enable ) {
const nonceField = document.getElementsByName( 'wp_smush_options_nonce' );
const xhr = new XMLHttpRequest();
xhr.open( 'POST', ajaxurl + '?action=smush_toggle_cdn', true );
xhr.setRequestHeader( 'Content-type', 'application/x-www-form-urlencoded' );
xhr.onload = () => {
if ( 200 === xhr.status ) {
const res = JSON.parse( xhr.response );
if ( 'undefined' !== typeof res.success && res.success ) {
location.reload();
} else if ( 'undefined' !== typeof res.data.message ) {
this.showNotice( res.data.message );
}
} else {
this.showNotice( 'Request failed. Returned status of ' + xhr.status );
}
};
xhr.send( 'param=' + enable + '&_ajax_nonce=' + nonceField[ 0 ].value );
},
/**
* Show message (notice).
*
* @since 3.0
*
* @param {string} message
*/
showNotice( message ) {
if ( 'undefined' === typeof message ) {
return;
}
const notice = document.getElementById( 'wp-smush-ajax-notice' );
notice.classList.add( 'sui-notice-error' );
notice.innerHTML = `<p>${ message }</p>`;
if ( this.cdnEnableButton ) {
this.cdnEnableButton.classList.remove( 'sui-button-onload' );
}
notice.style.display = 'block';
setTimeout( () => {
notice.style.display = 'none';
}, 5000 );
},
/**
* Update the CDN stats box in summary meta box. Only fetch new data when on CDN page.
*
* @since 3.0
*/
updateStatsBox() {
if ( 'undefined' === typeof this.cdnStatsBox || ! this.cdnStatsBox ) {
return;
}
// Only fetch the new stats, when user is on CDN page.
if ( ! window.location.search.includes( 'view=cdn' ) ) {
return;
}
this.toggleElements();
const xhr = new XMLHttpRequest();
xhr.open( 'POST', ajaxurl + '?action=get_cdn_stats', true );
xhr.onload = () => {
if ( 200 === xhr.status ) {
const res = JSON.parse( xhr.response );
if ( 'undefined' !== typeof res.success && res.success ) {
this.toggleElements();
} else if ( 'undefined' !== typeof res.data.message ) {
this.showNotice( res.data.message );
}
} else {
this.showNotice( 'Request failed. Returned status of ' + xhr.status );
}
};
xhr.send();
},
/**
* Show/hide elements during status update in the updateStatsBox()
*
* @since 3.1 Moved out from updateStatsBox()
*/
toggleElements() {
const spinner = this.cdnStatsBox.querySelector( '.sui-icon-loader' );
const elements = this.cdnStatsBox.querySelectorAll( '.wp-smush-stats > :not(.sui-icon-loader)' );
for ( let i = 0; i < elements.length; i++ ) {
elements[ i ].classList.toggle( 'sui-hidden' );
}
spinner.classList.toggle( 'sui-hidden' );
},
};
WP_Smush.CDN.init();
}() );