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/**
* This file holds the TSF's TSFEM installer JS code.
* Serve JavaScript as an addition, not as a means.
*
* @author Sybre Waaijer <https://cyberwire.nl/>
* @link https://wordpress.org/plugins/autodescription/
*/
'use strict';
/**
* Hooks into WordPress' updates handler.
* This is a self-constructed function assigned as an object.
*
* @since 3.0.6
*
* @constructor
* @param {!jQuery} $ jQuery object.
*/
window.tsfinstaller = function( $ ) {
var $document = $( document );
/**
* Updates the UI appropriately after a successful TSFEM install.
*
* @since 3.0.6
* @credit wp.updates.installImporterSuccess
*
* @function
* @typedef {object} installTsfemSuccess
* @param {object} response Response from the server.
* @param {string} response.slug Slug of the installed plugin.
* @param {string} response.pluginName Name of the installed plugin.
* @param {string} response.activateUrl URL to activate the just installed plugin.
*/
const installTsfemSuccess = function( response ) {
wp.updates.addAdminNotice( {
id: 'install-success',
className: 'notice-success is-dismissible',
message: wp.updates.l10n.installedMsg.replace( '%s', response.activateUrl + '&from=plugins' )
} );
$( '[data-slug="' + response.slug + '"]' )
.removeClass( 'install-now updating-message' )
.addClass( 'activate-now' )
.attr({
'href': response.activateUrl + '&from=plugins',
'aria-label': wp.updates.l10n.activatePluginLabel.replace( '%s', response.pluginName )
})
.text( wp.updates.l10n.activatePlugin );
wp.a11y.speak( wp.updates.l10n.installedMsg, 'polite' );
$document.trigger( 'tsf-tsfem-install-success', response );
}
/**
* Updates the UI appropriately after a failed TSFEM install.
*
* @since 3.0.6
* @credit wp.updates.installImporterError
*
* @function
* @typedef {object} installTsfemError
* @param {object} response Response from the server.
* @param {string} response.slug Slug of the plugin to be installed.
* @param {string=} response.pluginName Optional. Name of the plugin to be installed.
* @param {string} response.errorCode Error code for the error that occurred.
* @param {string} response.errorMessage The error that occurred.
*/
const installTsfemError = function( response ) {
var errorMessage = wp.updates.l10n.installFailed.replace( '%s', response.errorMessage ),
$installLink = $( '[data-slug="' + response.slug + '"]' ),
pluginName = $installLink.data( 'name' );
if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
return;
}
if ( wp.updates.maybeHandleCredentialError( response, 'install-plugin' ) ) {
return;
}
wp.updates.addAdminNotice( {
id: response.errorCode,
className: 'notice-error is-dismissible',
message: errorMessage
} );
$installLink
.removeClass( 'updating-message' )
.text( wp.updates.l10n.installNow )
.attr( 'aria-label', wp.updates.l10n.pluginInstallNowLabel.replace( '%s', pluginName ) );
wp.a11y.speak( errorMessage, 'assertive' );
$document.trigger( 'tsf-tsfem-install-error', response );
}
/**
* Adds installation hooks on DOMContentLoaded.
*
* @since 3.0.6
*
* @function
* @param {event} event
*/
const onReady = ( event ) => {
if ( ! wp || ! wp.updates ) return;
var prev_addCallbacks = wp.updates._addCallbacks;
/**
* Hooks into the installation button, to prevent redirect.
*
* WordPress normally enforces a redirect when the actionable page uses index.php.
* Indicating that it's not a "valid" installation page. Which is odd, as
* it perfectly allows any other action. Plus it allows this action on any other page,
* but the admin "main === index.php" dashboard page, too.
*
* @source https://github.com/WordPress/WordPress/blob/4.9-branch/wp-admin/js/updates.js#L2395-L2415
*/
$( '#plugin_install_from_iframe' ).on( 'click', function( event ) {
var target = window.parent === window ? null : window.parent,
install;
//= Let the default handler take over.
if ( -1 === window.parent.location.pathname.indexOf( 'index.php' ) )
return;
//= Only enact when the slug matches.
if ( $( this ).data( 'slug' ) !== tsfinstallerL10n.slug )
return;
$.support.postMessage = !! window.postMessage;
if ( false === $.support.postMessage || null === target ) {
return;
}
event.preventDefault();
install = {
action: 'install-plugin',
data: {
slug: $( this ).data( 'slug' )
}
};
target.postMessage( JSON.stringify( install ), window.location.origin );
} );
//= Direct attach as WP is using preventDefault() when capturing.
$( '#tsf-tsfem-tb' ).on( 'click', function( event ) {
var canReset = false;
/**
* Overwrite installer callback catcher.
*
* This could ONLY possibly conflict with import.php as of WP-4.6.0~4.9.6.
* Even then, it recovers itself via the resetter (fail-secures/safes).
* Making only super-humans (if even) viable for a UI bug.
*/
wp.updates._addCallbacks = function( data, action ) {
if ( 'install-plugin' === action && tsfinstallerL10n.slug === data.slug ) {
data.success = installTsfemSuccess;
data.error = installTsfemError;
let $button = $( '[data-slug="' + data.slug + '"]' );
$button
.addClass( 'updating-message' )
.attr( 'aria-label', wp.updates.l10n.pluginInstallingLabel.replace( '%s', $button.data( 'name' ) ) )
.text( wp.updates.l10n.installing );
canReset = true;
// console.log( 'overwritten' );
}
// console.log( 'slug: ' + data.slug );
return data;
}
// Thread lightly: Pure magic below.
$( window ).on( 'message', ( event ) => {
let message;
try {
message = $.parseJSON( event.originalEvent.data );
} catch ( e ) {
return;
}
if ( ! message || 'undefined' === typeof message.action ) {
return;
}
if ( message.action === 'install-plugin' ) {
//= Fail safe.
canReset = false;
} else {
//= Fail secure.
canReset = true;
}
} );
var resetTicker, cbs;
const resetCb = () => {
wp.updates._addCallbacks = prev_addCallbacks;
clearInterval( resetTicker );
$document.off( cbs, resetCb );
// console.log( 'reset' );
}
const checkReset = () => {
canReset && resetCb;
// console.log( 'checked' );
}
const prepareReset = () => {
resetTicker = setInterval( checkReset, 100 );
setTimeout( resetCb, 750 );
// console.log( 'prepared' );
}
cbs = 'wp-plugin-installing wp-plugin-install-error wp-plugin-install-success';
//= Fail secure.
$( 'body' ).one( 'thickbox:removed', prepareReset );
$document.one( cbs, resetCb );
} );
$document.on( 'click', '#tsf-tsfem-install', function( event ) {
var $button = $( event.target );
if ( $button.hasClass( 'activate-now' ) ) {
//? Follow link, activating the plugin.
return;
}
event.preventDefault();
if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
return;
}
if ( $button.html() !== wp.updates.l10n.installing ) {
$button.data( 'originaltext', $button.html() );
}
$button
.addClass( 'updating-message' )
.attr( 'aria-label', wp.updates.l10n.pluginInstallingLabel.replace( '%s', $button.data( 'name' ) ) )
.text( wp.updates.l10n.installing );
if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
wp.updates.requestFilesystemCredentials( event );
$document.on( 'credential-modal-cancel', function() {
$button
.removeClass( 'updating-message' )
.text( wp.updates.l10n.installNow )
.attr( 'aria-label', wp.updates.l10n.installNowLabel.replace( '%s', $button.data( 'name' ) ) );
wp.a11y.speak( wp.updates.l10n.updateCancel, 'polite' );
} );
}
wp.updates.installPlugin( {
slug: $button.data( 'slug' ),
pagenow: pagenow,
success: installTsfemSuccess,
error: installTsfemError
} );
} );
}
return {
/**
* Runs this script on DOMContentLoaded when WordPress Shiny Updates is
* available.
*
* @since 3.0.6
*
* @function
*/
load: function() {
tsfinstallerL10n.canEnhance
&& $( document.body ).ready( onReady );
}
};
}( jQuery );
//= Run before jQuery.ready() === DOMContentLoaded
jQuery( window.tsfinstaller.load );
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