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/**
 * Functions for ajaxified updates, deletions and installs inside the WordPress admin.
 *
 * @version 4.2.0
 * @output wp-admin/js/updates.js
 */

/* global pagenow, _wpThemeSettings */

/**
 * @param {jQuery}  $                                        jQuery object.
 * @param {object}  wp                                       WP object.
 * @param {object}  settings                                 WP Updates settings.
 * @param {string}  settings.ajax_nonce                      Ajax nonce.
 * @param {object=} settings.plugins                         Base names of plugins in their different states.
 * @param {Array}   settings.plugins.all                     Base names of all plugins.
 * @param {Array}   settings.plugins.active                  Base names of active plugins.
 * @param {Array}   settings.plugins.inactive                Base names of inactive plugins.
 * @param {Array}   settings.plugins.upgrade                 Base names of plugins with updates available.
 * @param {Array}   settings.plugins.recently_activated      Base names of recently activated plugins.
 * @param {Array}   settings.plugins['auto-update-enabled']  Base names of plugins set to auto-update.
 * @param {Array}   settings.plugins['auto-update-disabled'] Base names of plugins set to not auto-update.
 * @param {object=} settings.themes                          Slugs of themes in their different states.
 * @param {Array}   settings.themes.all                      Slugs of all themes.
 * @param {Array}   settings.themes.upgrade                  Slugs of themes with updates available.
 * @param {Arrat}   settings.themes.disabled                 Slugs of disabled themes.
 * @param {Array}   settings.themes['auto-update-enabled']   Slugs of themes set to auto-update.
 * @param {Array}   settings.themes['auto-update-disabled']  Slugs of themes set to not auto-update.
 * @param {object=} settings.totals                          Combined information for available update counts.
 * @param {number}  settings.totals.count                    Holds the amount of available updates.
 */
(function( $, wp, settings ) {
	var $document = $( document ),
		__ = wp.i18n.__,
		_x = wp.i18n._x,
		_n = wp.i18n._n,
		_nx = wp.i18n._nx,
		sprintf = wp.i18n.sprintf;

	wp = wp || {};

	/**
	 * The WP Updates object.
	 *
	 * @since 4.2.0
	 *
	 * @namespace wp.updates
	 */
	wp.updates = {};

	/**
	 * Removed in 5.5.0, needed for back-compatibility.
	 *
	 * @since 4.2.0
	 * @deprecated 5.5.0
	 *
	 * @type {object}
	 */
	wp.updates.l10n = {
		searchResults: '',
		searchResultsLabel: '',
		noPlugins: '',
		noItemsSelected: '',
		updating: '',
		pluginUpdated: '',
		themeUpdated: '',
		update: '',
		updateNow: '',
		pluginUpdateNowLabel: '',
		updateFailedShort: '',
		updateFailed: '',
		pluginUpdatingLabel: '',
		pluginUpdatedLabel: '',
		pluginUpdateFailedLabel: '',
		updatingMsg: '',
		updatedMsg: '',
		updateCancel: '',
		beforeunload: '',
		installNow: '',
		pluginInstallNowLabel: '',
		installing: '',
		pluginInstalled: '',
		themeInstalled: '',
		installFailedShort: '',
		installFailed: '',
		pluginInstallingLabel: '',
		themeInstallingLabel: '',
		pluginInstalledLabel: '',
		themeInstalledLabel: '',
		pluginInstallFailedLabel: '',
		themeInstallFailedLabel: '',
		installingMsg: '',
		installedMsg: '',
		importerInstalledMsg: '',
		aysDelete: '',
		aysDeleteUninstall: '',
		aysBulkDelete: '',
		aysBulkDeleteThemes: '',
		deleting: '',
		deleteFailed: '',
		pluginDeleted: '',
		themeDeleted: '',
		livePreview: '',
		activatePlugin: '',
		activateTheme: '',
		activatePluginLabel: '',
		activateThemeLabel: '',
		activateImporter: '',
		activateImporterLabel: '',
		unknownError: '',
		connectionError: '',
		nonceError: '',
		pluginsFound: '',
		noPluginsFound: '',
		autoUpdatesEnable: '',
		autoUpdatesEnabling: '',
		autoUpdatesEnabled: '',
		autoUpdatesDisable: '',
		autoUpdatesDisabling: '',
		autoUpdatesDisabled: '',
		autoUpdatesError: ''
	};

	wp.updates.l10n = window.wp.deprecateL10nObject( 'wp.updates.l10n', wp.updates.l10n, '5.5.0' );

	/**
	 * User nonce for ajax calls.
	 *
	 * @since 4.2.0
	 *
	 * @type {string}
	 */
	wp.updates.ajaxNonce = settings.ajax_nonce;

	/**
	 * Current search term.
	 *
	 * @since 4.6.0
	 *
	 * @type {string}
	 */
	wp.updates.searchTerm = '';

	/**
	 * Whether filesystem credentials need to be requested from the user.
	 *
	 * @since 4.2.0
	 *
	 * @type {bool}
	 */
	wp.updates.shouldRequestFilesystemCredentials = false;

	/**
	 * Filesystem credentials to be packaged along with the request.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 Added `available` property to indicate whether credentials have been provided.
	 *
	 * @type {Object}
	 * @property {Object} filesystemCredentials.ftp                Holds FTP credentials.
	 * @property {string} filesystemCredentials.ftp.host           FTP host. Default empty string.
	 * @property {string} filesystemCredentials.ftp.username       FTP user name. Default empty string.
	 * @property {string} filesystemCredentials.ftp.password       FTP password. Default empty string.
	 * @property {string} filesystemCredentials.ftp.connectionType Type of FTP connection. 'ssh', 'ftp', or 'ftps'.
	 *                                                             Default empty string.
	 * @property {Object} filesystemCredentials.ssh                Holds SSH credentials.
	 * @property {string} filesystemCredentials.ssh.publicKey      The public key. Default empty string.
	 * @property {string} filesystemCredentials.ssh.privateKey     The private key. Default empty string.
	 * @property {string} filesystemCredentials.fsNonce            Filesystem credentials form nonce.
	 * @property {bool}   filesystemCredentials.available          Whether filesystem credentials have been provided.
	 *                                                             Default 'false'.
	 */
	wp.updates.filesystemCredentials = {
		ftp:       {
			host:           '',
			username:       '',
			password:       '',
			connectionType: ''
		},
		ssh:       {
			publicKey:  '',
			privateKey: ''
		},
		fsNonce: '',
		available: false
	};

	/**
	 * Whether we're waiting for an Ajax request to complete.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `ajaxLocked`.
	 *
	 * @type {bool}
	 */
	wp.updates.ajaxLocked = false;

	/**
	 * Admin notice template.
	 *
	 * @since 4.6.0
	 *
	 * @type {function}
	 */
	wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );

	/**
	 * Update queue.
	 *
	 * If the user tries to update a plugin while an update is
	 * already happening, it can be placed in this queue to perform later.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `queue`.
	 *
	 * @type {Array.object}
	 */
	wp.updates.queue = [];

	/**
	 * Holds a jQuery reference to return focus to when exiting the request credentials modal.
	 *
	 * @since 4.2.0
	 *
	 * @type {jQuery}
	 */
	wp.updates.$elToReturnFocusToFromCredentialsModal = undefined;

	/**
	 * Adds or updates an admin notice.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  data
	 * @param {*=}      data.selector      Optional. Selector of an element to be replaced with the admin notice.
	 * @param {string=} data.id            Optional. Unique id that will be used as the notice's id attribute.
	 * @param {string=} data.className     Optional. Class names that will be used in the admin notice.
	 * @param {string=} data.message       Optional. The message displayed in the notice.
	 * @param {number=} data.successes     Optional. The amount of successful operations.
	 * @param {number=} data.errors        Optional. The amount of failed operations.
	 * @param {Array=}  data.errorMessages Optional. Error messages of failed operations.
	 *
	 */
	wp.updates.addAdminNotice = function( data ) {
		var $notice = $( data.selector ),
			$headerEnd = $( '.wp-header-end' ),
			$adminNotice;

		delete data.selector;
		$adminNotice = wp.updates.adminNotice( data );

		// Check if this admin notice already exists.
		if ( ! $notice.length ) {
			$notice = $( '#' + data.id );
		}

		if ( $notice.length ) {
			$notice.replaceWith( $adminNotice );
		} else if ( $headerEnd.length ) {
			$headerEnd.after( $adminNotice );
		} else {
			if ( 'customize' === pagenow ) {
				$( '.customize-themes-notifications' ).append( $adminNotice );
			} else {
				$( '.wrap' ).find( '> h1' ).after( $adminNotice );
			}
		}

		$document.trigger( 'wp-updates-notice-added' );
	};

	/**
	 * Handles Ajax requests to WordPress.
	 *
	 * @since 4.6.0
	 *
	 * @param {string} action The type of Ajax request ('update-plugin', 'install-theme', etc).
	 * @param {Object} data   Data that needs to be passed to the ajax callback.
	 * @return {$.promise}    A jQuery promise that represents the request,
	 *                        decorated with an abort() method.
	 */
	wp.updates.ajax = function( action, data ) {
		var options = {};

		if ( wp.updates.ajaxLocked ) {
			wp.updates.queue.push( {
				action: action,
				data:   data
			} );

			// Return a Deferred object so callbacks can always be registered.
			return $.Deferred();
		}

		wp.updates.ajaxLocked = true;

		if ( data.success ) {
			options.success = data.success;
			delete data.success;
		}

		if ( data.error ) {
			options.error = data.error;
			delete data.error;
		}

		options.data = _.extend( data, {
			action:          action,
			_ajax_nonce:     wp.updates.ajaxNonce,
			_fs_nonce:       wp.updates.filesystemCredentials.fsNonce,
			username:        wp.updates.filesystemCredentials.ftp.username,
			password:        wp.updates.filesystemCredentials.ftp.password,
			hostname:        wp.updates.filesystemCredentials.ftp.hostname,
			connection_type: wp.updates.filesystemCredentials.ftp.connectionType,
			public_key:      wp.updates.filesystemCredentials.ssh.publicKey,
			private_key:     wp.updates.filesystemCredentials.ssh.privateKey
		} );

		return wp.ajax.send( options ).always( wp.updates.ajaxAlways );
	};

	/**
	 * Actions performed after every Ajax request.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  response
	 * @param {Array=}  response.debug     Optional. Debug information.
	 * @param {string=} response.errorCode Optional. Error code for an error that occurred.
	 */
	wp.updates.ajaxAlways = function( response ) {
		if ( ! response.errorCode || 'unable_to_connect_to_filesystem' !== response.errorCode ) {
			wp.updates.ajaxLocked = false;
			wp.updates.queueChecker();
		}

		if ( 'undefined' !== typeof response.debug && window.console && window.console.log ) {
			_.map( response.debug, function( message ) {
				// Remove all HTML tags and write a message to the console.
				window.console.log( wp.sanitize.stripTagsAndEncodeText( message ) );
			} );
		}
	};

	/**
	 * Refreshes update counts everywhere on the screen.
	 *
	 * @since 4.7.0
	 */
	wp.updates.refreshCount = function() {
		var $adminBarUpdates              = $( '#wp-admin-bar-updates' ),
			$dashboardNavMenuUpdateCount  = $( 'a[href="update-core.php"] .update-plugins' ),
			$pluginsNavMenuUpdateCount    = $( 'a[href="plugins.php"] .update-plugins' ),
			$appearanceNavMenuUpdateCount = $( 'a[href="themes.php"] .update-plugins' ),
			itemCount;

		$adminBarUpdates.find( '.ab-label' ).text( settings.totals.counts.total );
		$adminBarUpdates.find( '.updates-available-text' ).text(
			sprintf(
				/* translators: %s: Total number of updates available. */
				_n( '%s update available', '%s updates available', settings.totals.counts.total ),
				settings.totals.counts.total
			)
		);

		// Remove the update count from the toolbar if it's zero.
		if ( 0 === settings.totals.counts.total ) {
			$adminBarUpdates.find( '.ab-label' ).parents( 'li' ).remove();
		}

		// Update the "Updates" menu item.
		$dashboardNavMenuUpdateCount.each( function( index, element ) {
			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.total );
		} );
		if ( settings.totals.counts.total > 0 ) {
			$dashboardNavMenuUpdateCount.find( '.update-count' ).text( settings.totals.counts.total );
		} else {
			$dashboardNavMenuUpdateCount.remove();
		}

		// Update the "Plugins" menu item.
		$pluginsNavMenuUpdateCount.each( function( index, element ) {
			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.plugins );
		} );
		if ( settings.totals.counts.total > 0 ) {
			$pluginsNavMenuUpdateCount.find( '.plugin-count' ).text( settings.totals.counts.plugins );
		} else {
			$pluginsNavMenuUpdateCount.remove();
		}

		// Update the "Appearance" menu item.
		$appearanceNavMenuUpdateCount.each( function( index, element ) {
			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.themes );
		} );
		if ( settings.totals.counts.total > 0 ) {
			$appearanceNavMenuUpdateCount.find( '.theme-count' ).text( settings.totals.counts.themes );
		} else {
			$appearanceNavMenuUpdateCount.remove();
		}

		// Update list table filter navigation.
		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			itemCount = settings.totals.counts.plugins;
		} else if ( 'themes' === pagenow || 'themes-network' === pagenow ) {
			itemCount = settings.totals.counts.themes;
		}

		if ( itemCount > 0 ) {
			$( '.subsubsub .upgrade .count' ).text( '(' + itemCount + ')' );
		} else {
			$( '.subsubsub .upgrade' ).remove();
			$( '.subsubsub li:last' ).html( function() { return $( this ).children(); } );
		}
	};

	/**
	 * Decrements the update counts throughout the various menus.
	 *
	 * This includes the toolbar, the "Updates" menu item and the menu items
	 * for plugins and themes.
	 *
	 * @since 3.9.0
	 *
	 * @param {string} type The type of item that was updated or deleted.
	 *                      Can be 'plugin', 'theme'.
	 */
	wp.updates.decrementCount = function( type ) {
		settings.totals.counts.total = Math.max( --settings.totals.counts.total, 0 );

		if ( 'plugin' === type ) {
			settings.totals.counts.plugins = Math.max( --settings.totals.counts.plugins, 0 );
		} else if ( 'theme' === type ) {
			settings.totals.counts.themes = Math.max( --settings.totals.counts.themes, 0 );
		}

		wp.updates.refreshCount( type );
	};

	/**
	 * Sends an Ajax request to the server to update a plugin.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `updatePlugin`.
	 *
	 * @param {Object}               args         Arguments.
	 * @param {string}               args.plugin  Plugin basename.
	 * @param {string}               args.slug    Plugin slug.
	 * @param {updatePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.updatePluginSuccess
	 * @param {updatePluginError=}   args.error   Optional. Error callback. Default: wp.updates.updatePluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.updatePlugin = function( args ) {
		var $updateRow, $card, $message, message,
			$adminBarUpdates = $( '#wp-admin-bar-updates' );

		args = _.extend( {
			success: wp.updates.updatePluginSuccess,
			error: wp.updates.updatePluginError
		}, args );

		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			$updateRow = $( 'tr[data-plugin="' + args.plugin + '"]' );
			$message   = $updateRow.find( '.update-message' ).removeClass( 'notice-error' ).addClass( 'updating-message notice-warning' ).find( 'p' );
			message    = sprintf(
				/* translators: %s: Plugin name and version. */
 				_x( 'Updating %s...', 'plugin' ),
				$updateRow.find( '.plugin-title strong' ).text()
			);
		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
			$card    = $( '.plugin-card-' + args.slug );
			$message = $card.find( '.update-now' ).addClass( 'updating-message' );
			message    = sprintf(
				/* translators: %s: Plugin name and version. */
 				_x( 'Updating %s...', 'plugin' ),
				$message.data( 'name' )
			);

			// Remove previous error messages, if any.
			$card.removeClass( 'plugin-card-update-failed' ).find( '.notice.notice-error' ).remove();
		}

		$adminBarUpdates.addClass( 'spin' );

		if ( $message.html() !== __( 'Updating...' ) ) {
			$message.data( 'originaltext', $message.html() );
		}

		$message
			.attr( 'aria-label', message )
			.text( __( 'Updating...' ) );

		$document.trigger( 'wp-plugin-updating', args );

		return wp.updates.ajax( 'update-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin update.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `updatePluginSuccess`.
	 * @since 5.5.0 Auto-update "time to next update" text cleared.
	 *
	 * @param {Object} response            Response from the server.
	 * @param {string} response.slug       Slug of the plugin to be updated.
	 * @param {string} response.plugin     Basename of the plugin to be updated.
	 * @param {string} response.pluginName Name of the plugin to be updated.
	 * @param {string} response.oldVersion Old version of the plugin.
	 * @param {string} response.newVersion New version of the plugin.
	 */
	wp.updates.updatePluginSuccess = function( response ) {
		var $pluginRow, $updateMessage, newText,
			$adminBarUpdates = $( '#wp-admin-bar-updates' );

		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			$pluginRow     = $( 'tr[data-plugin="' + response.plugin + '"]' )
				.removeClass( 'update' )
				.addClass( 'updated' );
			$updateMessage = $pluginRow.find( '.update-message' )
				.removeClass( 'updating-message notice-warning' )
				.addClass( 'updated-message notice-success' ).find( 'p' );

			// Update the version number in the row.
			newText = $pluginRow.find( '.plugin-version-author-uri' ).html().replace( response.oldVersion, response.newVersion );
			$pluginRow.find( '.plugin-version-author-uri' ).html( newText );

			// Clear the "time to next auto-update" text.
			$pluginRow.find( '.auto-update-time' ).empty();
		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
			$updateMessage = $( '.plugin-card-' + response.slug ).find( '.update-now' )
				.removeClass( 'updating-message' )
				.addClass( 'button-disabled updated-message' );
		}

		$adminBarUpdates.removeClass( 'spin' );

		$updateMessage
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Plugin name and version. */
					_x( '%s updated!', 'plugin' ),
					response.pluginName
				)
			)
			.text( _x( 'Updated!', 'plugin' ) );

		wp.a11y.speak( __( 'Update completed successfully.' ) );

		wp.updates.decrementCount( 'plugin' );

		$document.trigger( 'wp-plugin-update-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed plugin update.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `updatePluginError`.
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be updated.
	 * @param {string}  response.plugin       Basename of the plugin to be updated.
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be updated.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.updatePluginError = function( response ) {
		var $card, $message, errorMessage,
			$adminBarUpdates = $( '#wp-admin-bar-updates' );

		if ( ! wp.updates.isValidResponse( response, 'update' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'update-plugin' ) ) {
			return;
		}

		errorMessage = sprintf(
			/* translators: %s: Error string for a failed update. */
			__( 'Update failed: %s' ),
			response.errorMessage
		);

		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			if ( response.plugin ) {
				$message = $( 'tr[data-plugin="' + response.plugin + '"]' ).find( '.update-message' );
			} else {
				$message = $( 'tr[data-slug="' + response.slug + '"]' ).find( '.update-message' );
			}
			$message.removeClass( 'updating-message notice-warning' ).addClass( 'notice-error' ).find( 'p' ).html( errorMessage );

			if ( response.pluginName ) {
				$message.find( 'p' )
					.attr(
						'aria-label',
						sprintf(
							/* translators: %s: Plugin name and version. */
							_x( '%s update failed.', 'plugin' ),
							response.pluginName
						)
					);
			} else {
				$message.find( 'p' ).removeAttr( 'aria-label' );
			}
		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
			$card = $( '.plugin-card-' + response.slug )
				.addClass( 'plugin-card-update-failed' )
				.append( wp.updates.adminNotice( {
					className: 'update-message notice-error notice-alt is-dismissible',
					message:   errorMessage
				} ) );

			$card.find( '.update-now' )
				.text(  __( 'Update failed.' ) )
				.removeClass( 'updating-message' );

			if ( response.pluginName ) {
				$card.find( '.update-now' )
					.attr(
						'aria-label',
						sprintf(
							/* translators: %s: Plugin name and version. */
							_x( '%s update failed.', 'plugin' ),
							response.pluginName
						)
					);
			} else {
				$card.find( '.update-now' ).removeAttr( 'aria-label' );
			}

			$card.on( 'click', '.notice.is-dismissible .notice-dismiss', function() {

				// Use same delay as the total duration of the notice fadeTo + slideUp animation.
				setTimeout( function() {
					$card
						.removeClass( 'plugin-card-update-failed' )
						.find( '.column-name a' ).trigger( 'focus' );

					$card.find( '.update-now' )
						.attr( 'aria-label', false )
						.text( __( 'Update Now' ) );
				}, 200 );
			} );
		}

		$adminBarUpdates.removeClass( 'spin' );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-plugin-update-error', response );
	};

	/**
	 * Sends an Ajax request to the server to install a plugin.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}                args         Arguments.
	 * @param {string}                args.slug    Plugin identifier in the WordPress.org Plugin repository.
	 * @param {installPluginSuccess=} args.success Optional. Success callback. Default: wp.updates.installPluginSuccess
	 * @param {installPluginError=}   args.error   Optional. Error callback. Default: wp.updates.installPluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.installPlugin = function( args ) {
		var $card    = $( '.plugin-card-' + args.slug ),
			$message = $card.find( '.install-now' );

		args = _.extend( {
			success: wp.updates.installPluginSuccess,
			error: wp.updates.installPluginError
		}, args );

		if ( 'import' === pagenow ) {
			$message = $( '[data-slug="' + args.slug + '"]' );
		}

		if ( $message.html() !== __( 'Installing...' ) ) {
			$message.data( 'originaltext', $message.html() );
		}

		$message
			.addClass( 'updating-message' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Plugin name and version. */
					_x( 'Installing %s...', 'plugin' ),
					$message.data( 'name' )
				)
			)
			.text( __( 'Installing...' ) );

		wp.a11y.speak( __( 'Installing... please wait.' ) );

		// Remove previous error messages, if any.
		$card.removeClass( 'plugin-card-install-failed' ).find( '.notice.notice-error' ).remove();

		$document.trigger( 'wp-plugin-installing', args );

		return wp.updates.ajax( 'install-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin install.
	 *
	 * @since 4.6.0
	 *
	 * @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.
	 */
	wp.updates.installPluginSuccess = function( response ) {
		var $message = $( '.plugin-card-' + response.slug ).find( '.install-now' );

		$message
			.removeClass( 'updating-message' )
			.addClass( 'updated-message installed button-disabled' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Plugin name and version. */
					_x( '%s installed!', 'plugin' ),
					response.pluginName
				)
			)
			.text( _x( 'Installed!', 'plugin' ) );

		wp.a11y.speak( __( 'Installation completed successfully.' ) );

		$document.trigger( 'wp-plugin-install-success', response );

		if ( response.activateUrl ) {
			setTimeout( function() {

				// Transform the 'Install' button into an 'Activate' button.
				$message.removeClass( 'install-now installed button-disabled updated-message' )
					.addClass( 'activate-now button-primary' )
					.attr( 'href', response.activateUrl );

				if ( 'plugins-network' === pagenow ) {
					$message
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name. */
								_x( 'Network Activate %s', 'plugin' ),
								response.pluginName
							)
						)
						.text( __( 'Network Activate' ) );
				} else {
					$message
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name. */
								_x( 'Activate %s', 'plugin' ),
								response.pluginName
							)
						)
						.text( __( 'Activate' ) );
				}
			}, 1000 );
		}
	};

	/**
	 * Updates the UI appropriately after a failed plugin install.
	 *
	 * @since 4.6.0
	 *
	 * @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.
	 */
	wp.updates.installPluginError = function( response ) {
		var $card   = $( '.plugin-card-' + response.slug ),
			$button = $card.find( '.install-now' ),
			errorMessage;

		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'install-plugin' ) ) {
			return;
		}

		errorMessage = sprintf(
			/* translators: %s: Error string for a failed installation. */
			__( 'Installation failed: %s' ),
			response.errorMessage
		);

		$card
			.addClass( 'plugin-card-update-failed' )
			.append( '<div class="notice notice-error notice-alt is-dismissible"><p>' + errorMessage + '</p></div>' );

		$card.on( 'click', '.notice.is-dismissible .notice-dismiss', function() {

			// Use same delay as the total duration of the notice fadeTo + slideUp animation.
			setTimeout( function() {
				$card
					.removeClass( 'plugin-card-update-failed' )
					.find( '.column-name a' ).trigger( 'focus' );
			}, 200 );
		} );

		$button
			.removeClass( 'updating-message' ).addClass( 'button-disabled' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Plugin name and version. */
					_x( '%s installation failed', 'plugin' ),
					$button.data( 'name' )
				)
			)
			.text( __( 'Installation failed.' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-plugin-install-error', response );
	};

	/**
	 * Updates the UI appropriately after a successful importer install.
	 *
	 * @since 4.6.0
	 *
	 * @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.
	 */
	wp.updates.installImporterSuccess = function( response ) {
		wp.updates.addAdminNotice( {
			id:        'install-success',
			className: 'notice-success is-dismissible',
			message:   sprintf(
				/* translators: %s: Activation URL. */
				__( 'Importer installed successfully. <a href="%s">Run importer</a>' ),
				response.activateUrl + '&from=import'
			)
		} );

		$( '[data-slug="' + response.slug + '"]' )
			.removeClass( 'install-now updating-message' )
			.addClass( 'activate-now' )
			.attr({
				'href': response.activateUrl + '&from=import',
				'aria-label':sprintf(
					/* translators: %s: Importer name. */
					__( 'Run %s' ),
					response.pluginName
				)
			})
			.text( __( 'Run Importer' ) );

		wp.a11y.speak( __( 'Installation completed successfully.' ) );

		$document.trigger( 'wp-importer-install-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed importer install.
	 *
	 * @since 4.6.0
	 *
	 * @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.
	 */
	wp.updates.installImporterError = function( response ) {
		var errorMessage = sprintf(
				/* translators: %s: Error string for a failed installation. */
				__( 'Installation failed: %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' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Plugin name. */
					_x( 'Install %s now', 'plugin' ),
					pluginName
				)
			)
			.text( __( 'Install Now' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-importer-install-error', response );
	};

	/**
	 * Sends an Ajax request to the server to delete a plugin.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}               args         Arguments.
	 * @param {string}               args.plugin  Basename of the plugin to be deleted.
	 * @param {string}               args.slug    Slug of the plugin to be deleted.
	 * @param {deletePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.deletePluginSuccess
	 * @param {deletePluginError=}   args.error   Optional. Error callback. Default: wp.updates.deletePluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.deletePlugin = function( args ) {
		var $link = $( '[data-plugin="' + args.plugin + '"]' ).find( '.row-actions a.delete' );

		args = _.extend( {
			success: wp.updates.deletePluginSuccess,
			error: wp.updates.deletePluginError
		}, args );

		if ( $link.html() !== __( 'Deleting...' ) ) {
			$link
				.data( 'originaltext', $link.html() )
				.text( __( 'Deleting...' ) );
		}

		wp.a11y.speak( __( 'Deleting...' ) );

		$document.trigger( 'wp-plugin-deleting', args );

		return wp.updates.ajax( 'delete-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response            Response from the server.
	 * @param {string} response.slug       Slug of the plugin that was deleted.
	 * @param {string} response.plugin     Base name of the plugin that was deleted.
	 * @param {string} response.pluginName Name of the plugin that was deleted.
	 */
	wp.updates.deletePluginSuccess = function( response ) {

		// Removes the plugin and updates rows.
		$( '[data-plugin="' + response.plugin + '"]' ).css( { backgroundColor: '#faafaa' } ).fadeOut( 350, function() {
			var $form            = $( '#bulk-action-form' ),
				$views           = $( '.subsubsub' ),
				$pluginRow       = $( this ),
				$currentView     = $views.find( '[aria-current="page"]' ),
				$itemsCount      = $( '.displaying-num' ),
				columnCount      = $form.find( 'thead th:not(.hidden), thead td' ).length,
				pluginDeletedRow = wp.template( 'item-deleted-row' ),
				/**
				 * Plugins Base names of plugins in their different states.
				 *
				 * @type {Object}
				 */
				plugins          = settings.plugins,
				remainingCount;

			// Add a success message after deleting a plugin.
			if ( ! $pluginRow.hasClass( 'plugin-update-tr' ) ) {
				$pluginRow.after(
					pluginDeletedRow( {
						slug:    response.slug,
						plugin:  response.plugin,
						colspan: columnCount,
						name:    response.pluginName
					} )
				);
			}

			$pluginRow.remove();

			// Remove plugin from update count.
			if ( -1 !== _.indexOf( plugins.upgrade, response.plugin ) ) {
				plugins.upgrade = _.without( plugins.upgrade, response.plugin );
				wp.updates.decrementCount( 'plugin' );
			}

			// Remove from views.
			if ( -1 !== _.indexOf( plugins.inactive, response.plugin ) ) {
				plugins.inactive = _.without( plugins.inactive, response.plugin );
				if ( plugins.inactive.length ) {
					$views.find( '.inactive .count' ).text( '(' + plugins.inactive.length + ')' );
				} else {
					$views.find( '.inactive' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins.active, response.plugin ) ) {
				plugins.active = _.without( plugins.active, response.plugin );
				if ( plugins.active.length ) {
					$views.find( '.active .count' ).text( '(' + plugins.active.length + ')' );
				} else {
					$views.find( '.active' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins.recently_activated, response.plugin ) ) {
				plugins.recently_activated = _.without( plugins.recently_activated, response.plugin );
				if ( plugins.recently_activated.length ) {
					$views.find( '.recently_activated .count' ).text( '(' + plugins.recently_activated.length + ')' );
				} else {
					$views.find( '.recently_activated' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins['auto-update-enabled'], response.plugin ) ) {
				plugins['auto-update-enabled'] = _.without( plugins['auto-update-enabled'], response.plugin );
				if ( plugins['auto-update-enabled'].length ) {
					$views.find( '.auto-update-enabled .count' ).text( '(' + plugins['auto-update-enabled'].length + ')' );
				} else {
					$views.find( '.auto-update-enabled' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins['auto-update-disabled'], response.plugin ) ) {
				plugins['auto-update-disabled'] = _.without( plugins['auto-update-disabled'], response.plugin );
				if ( plugins['auto-update-disabled'].length ) {
					$views.find( '.auto-update-disabled .count' ).text( '(' + plugins['auto-update-disabled'].length + ')' );
				} else {
					$views.find( '.auto-update-disabled' ).remove();
				}
			}

			plugins.all = _.without( plugins.all, response.plugin );

			if ( plugins.all.length ) {
				$views.find( '.all .count' ).text( '(' + plugins.all.length + ')' );
			} else {
				$form.find( '.tablenav' ).css( { visibility: 'hidden' } );
				$views.find( '.all' ).remove();

				if ( ! $form.find( 'tr.no-items' ).length ) {
					$form.find( '#the-list' ).append( '<tr class="no-items"><td class="colspanchange" colspan="' + columnCount + '">' + __( 'No plugins are currently available.' ) + '</td></tr>' );
				}
			}

			if ( $itemsCount.length && $currentView.length ) {
				remainingCount = plugins[ $currentView.parent( 'li' ).attr('class') ].length;
				$itemsCount.text(
					sprintf(
						/* translators: %s: The remaining number of plugins. */
						_nx( '%s item', '%s items', 'plugin/plugins', remainingCount ),
						remainingCount
					)
				);
			}
		} );

		wp.a11y.speak( _x( 'Deleted!', 'plugin' ) );

		$document.trigger( 'wp-plugin-delete-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed plugin deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be deleted.
	 * @param {string}  response.plugin       Base name of the plugin to be deleted
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be deleted.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.deletePluginError = function( response ) {
		var $plugin, $pluginUpdateRow,
			pluginUpdateRow  = wp.template( 'item-update-row' ),
			noticeContent    = wp.updates.adminNotice( {
				className: 'update-message notice-error notice-alt',
				message:   response.errorMessage
			} );

		if ( response.plugin ) {
			$plugin          = $( 'tr.inactive[data-plugin="' + response.plugin + '"]' );
			$pluginUpdateRow = $plugin.siblings( '[data-plugin="' + response.plugin + '"]' );
		} else {
			$plugin          = $( 'tr.inactive[data-slug="' + response.slug + '"]' );
			$pluginUpdateRow = $plugin.siblings( '[data-slug="' + response.slug + '"]' );
		}

		if ( ! wp.updates.isValidResponse( response, 'delete' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'delete-plugin' ) ) {
			return;
		}

		// Add a plugin update row if it doesn't exist yet.
		if ( ! $pluginUpdateRow.length ) {
			$plugin.addClass( 'update' ).after(
				pluginUpdateRow( {
					slug:    response.slug,
					plugin:  response.plugin || response.slug,
					colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
					content: noticeContent
				} )
			);
		} else {

			// Remove previous error messages, if any.
			$pluginUpdateRow.find( '.notice-error' ).remove();

			$pluginUpdateRow.find( '.plugin-update' ).append( noticeContent );
		}

		$document.trigger( 'wp-plugin-delete-error', response );
	};

	/**
	 * Sends an Ajax request to the server to update a theme.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}              args         Arguments.
	 * @param {string}              args.slug    Theme stylesheet.
	 * @param {updateThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.updateThemeSuccess
	 * @param {updateThemeError=}   args.error   Optional. Error callback. Default: wp.updates.updateThemeError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.updateTheme = function( args ) {
		var $notice;

		args = _.extend( {
			success: wp.updates.updateThemeSuccess,
			error: wp.updates.updateThemeError
		}, args );

		if ( 'themes-network' === pagenow ) {
			$notice = $( '[data-slug="' + args.slug + '"]' ).find( '.update-message' ).removeClass( 'notice-error' ).addClass( 'updating-message notice-warning' ).find( 'p' );

		} else if ( 'customize' === pagenow ) {

			// Update the theme details UI.
			$notice = $( '[data-slug="' + args.slug + '"].notice' ).removeClass( 'notice-large' );

			$notice.find( 'h3' ).remove();

			// Add the top-level UI, and update both.
			$notice = $notice.add( $( '#customize-control-installed_theme_' + args.slug ).find( '.update-message' ) );
			$notice = $notice.addClass( 'updating-message' ).find( 'p' );

		} else {
			$notice = $( '#update-theme' ).closest( '.notice' ).removeClass( 'notice-large' );

			$notice.find( 'h3' ).remove();

			$notice = $notice.add( $( '[data-slug="' + args.slug + '"]' ).find( '.update-message' ) );
			$notice = $notice.addClass( 'updating-message' ).find( 'p' );
		}

		if ( $notice.html() !== __( 'Updating...' ) ) {
			$notice.data( 'originaltext', $notice.html() );
		}

		wp.a11y.speak( __( 'Updating... please wait.' ) );
		$notice.text( __( 'Updating...' ) );

		$document.trigger( 'wp-theme-updating', args );

		return wp.updates.ajax( 'update-theme', args );
	};

	/**
	 * Updates the UI appropriately after a successful theme update.
	 *
	 * @since 4.6.0
	 * @since 5.5.0 Auto-update "time to next update" text cleared.
	 *
	 * @param {Object} response
	 * @param {string} response.slug       Slug of the theme to be updated.
	 * @param {Object} response.theme      Updated theme.
	 * @param {string} response.oldVersion Old version of the theme.
	 * @param {string} response.newVersion New version of the theme.
	 */
	wp.updates.updateThemeSuccess = function( response ) {
		var isModalOpen    = $( 'body.modal-open' ).length,
			$theme         = $( '[data-slug="' + response.slug + '"]' ),
			updatedMessage = {
				className: 'updated-message notice-success notice-alt',
				message:   _x( 'Updated!', 'theme' )
			},
			$notice, newText;

		if ( 'customize' === pagenow ) {
			$theme = $( '.updating-message' ).siblings( '.theme-name' );

			if ( $theme.length ) {

				// Update the version number in the row.
				newText = $theme.html().replace( response.oldVersion, response.newVersion );
				$theme.html( newText );
			}

			$notice = $( '.theme-info .notice' ).add( wp.customize.control( 'installed_theme_' + response.slug ).container.find( '.theme' ).find( '.update-message' ) );
		} else if ( 'themes-network' === pagenow ) {
			$notice = $theme.find( '.update-message' );

			// Update the version number in the row.
			newText = $theme.find( '.theme-version-author-uri' ).html().replace( response.oldVersion, response.newVersion );
			$theme.find( '.theme-version-author-uri' ).html( newText );

			// Clear the "time to next auto-update" text.
			$theme.find( '.auto-update-time' ).empty();
		} else {
			$notice = $( '.theme-info .notice' ).add( $theme.find( '.update-message' ) );

			// Focus on Customize button after updating.
			if ( isModalOpen ) {
				$( '.load-customize:visible' ).trigger( 'focus' );
				$( '.theme-info .theme-autoupdate' ).find( '.auto-update-time' ).empty();
			} else {
				$theme.find( '.load-customize' ).trigger( 'focus' );
			}
		}

		wp.updates.addAdminNotice( _.extend( { selector: $notice }, updatedMessage ) );
		wp.a11y.speak( __( 'Update completed successfully.' ) );

		wp.updates.decrementCount( 'theme' );

		$document.trigger( 'wp-theme-update-success', response );

		// Show updated message after modal re-rendered.
		if ( isModalOpen && 'customize' !== pagenow ) {
			$( '.theme-info .theme-author' ).after( wp.updates.adminNotice( updatedMessage ) );
		}
	};

	/**
	 * Updates the UI appropriately after a failed theme update.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be updated.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 */
	wp.updates.updateThemeError = function( response ) {
		var $theme       = $( '[data-slug="' + response.slug + '"]' ),
			errorMessage = sprintf(
				/* translators: %s: Error string for a failed update. */
				 __( 'Update failed: %s' ),
				response.errorMessage
			),
			$notice;

		if ( ! wp.updates.isValidResponse( response, 'update' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'update-theme' ) ) {
			return;
		}

		if ( 'customize' === pagenow ) {
			$theme = wp.customize.control( 'installed_theme_' + response.slug ).container.find( '.theme' );
		}

		if ( 'themes-network' === pagenow ) {
			$notice = $theme.find( '.update-message ' );
		} else {
			$notice = $( '.theme-info .notice' ).add( $theme.find( '.notice' ) );

			$( 'body.modal-open' ).length ? $( '.load-customize:visible' ).trigger( 'focus' ) : $theme.find( '.load-customize' ).trigger( 'focus');
		}

		wp.updates.addAdminNotice( {
			selector:  $notice,
			className: 'update-message notice-error notice-alt is-dismissible',
			message:   errorMessage
		} );

		wp.a11y.speak( errorMessage );

		$document.trigger( 'wp-theme-update-error', response );
	};

	/**
	 * Sends an Ajax request to the server to install a theme.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}               args
	 * @param {string}               args.slug    Theme stylesheet.
	 * @param {installThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.installThemeSuccess
	 * @param {installThemeError=}   args.error   Optional. Error callback. Default: wp.updates.installThemeError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.installTheme = function( args ) {
		var $message = $( '.theme-install[data-slug="' + args.slug + '"]' );

		args = _.extend( {
			success: wp.updates.installThemeSuccess,
			error: wp.updates.installThemeError
		}, args );

		$message.addClass( 'updating-message' );
		$message.parents( '.theme' ).addClass( 'focus' );
		if ( $message.html() !== __( 'Installing...' ) ) {
			$message.data( 'originaltext', $message.html() );
		}

		$message
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Theme name and version. */
					_x( 'Installing %s...', 'theme' ),
					$message.data( 'name' )
				)
			)
			.text( __( 'Installing...' ) );

		wp.a11y.speak( __( 'Installing... please wait.' ) );

		// Remove previous error messages, if any.
		$( '.install-theme-info, [data-slug="' + args.slug + '"]' ).removeClass( 'theme-install-failed' ).find( '.notice.notice-error' ).remove();

		$document.trigger( 'wp-theme-installing', args );

		return wp.updates.ajax( 'install-theme', args );
	};

	/**
	 * Updates the UI appropriately after a successful theme install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be installed.
	 * @param {string} response.customizeUrl URL to the Customizer for the just installed theme.
	 * @param {string} response.activateUrl  URL to activate the just installed theme.
	 */
	wp.updates.installThemeSuccess = function( response ) {
		var $card = $( '.wp-full-overlay-header, [data-slug=' + response.slug + ']' ),
			$message;

		$document.trigger( 'wp-theme-install-success', response );

		$message = $card.find( '.button-primary' )
			.removeClass( 'updating-message' )
			.addClass( 'updated-message disabled' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Theme name and version. */
					_x( '%s installed!', 'theme' ),
					response.themeName
				)
			)
			.text( _x( 'Installed!', 'theme' ) );

		wp.a11y.speak( __( 'Installation completed successfully.' ) );

		setTimeout( function() {

			if ( response.activateUrl ) {

				// Transform the 'Install' button into an 'Activate' button.
				$message
					.attr( 'href', response.activateUrl )
					.removeClass( 'theme-install updated-message disabled' )
					.addClass( 'activate' );

				if ( 'themes-network' === pagenow ) {
					$message
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Theme name. */
								_x( 'Network Activate %s', 'theme' ),
								response.themeName
							)
						)
						.text( __( 'Network Enable' ) );
				} else {
					$message
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Theme name. */
								_x( 'Activate %s', 'theme' ),
								response.themeName
							)
						)
						.text( __( 'Activate' ) );
				}
			}

			if ( response.customizeUrl ) {

				// Transform the 'Preview' button into a 'Live Preview' button.
				$message.siblings( '.preview' ).replaceWith( function () {
					return $( '<a>' )
						.attr( 'href', response.customizeUrl )
						.addClass( 'button load-customize' )
						.text( __( 'Live Preview' ) );
				} );
			}
		}, 1000 );
	};

	/**
	 * Updates the UI appropriately after a failed theme install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be installed.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 */
	wp.updates.installThemeError = function( response ) {
		var $card, $button,
			errorMessage = sprintf(
				/* translators: %s: Error string for a failed installation. */
				__( 'Installation failed: %s' ),
				response.errorMessage
			),
			$message     = wp.updates.adminNotice( {
				className: 'update-message notice-error notice-alt',
				message:   errorMessage
			} );

		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'install-theme' ) ) {
			return;
		}

		if ( 'customize' === pagenow ) {
			if ( $document.find( 'body' ).hasClass( 'modal-open' ) ) {
				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
				$card   = $( '.theme-overlay .theme-info' ).prepend( $message );
			} else {
				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
				$card   = $button.closest( '.theme' ).addClass( 'theme-install-failed' ).append( $message );
			}
			wp.customize.notifications.remove( 'theme_installing' );
		} else {
			if ( $document.find( 'body' ).hasClass( 'full-overlay-active' ) ) {
				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
				$card   = $( '.install-theme-info' ).prepend( $message );
			} else {
				$card   = $( '[data-slug="' + response.slug + '"]' ).removeClass( 'focus' ).addClass( 'theme-install-failed' ).append( $message );
				$button = $card.find( '.theme-install' );
			}
		}

		$button
			.removeClass( 'updating-message' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Theme name and version. */
					_x( '%s installation failed', 'theme' ),
					$button.data( 'name' )
				)
			)
			.text( __( 'Installation failed.' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-theme-install-error', response );
	};

	/**
	 * Sends an Ajax request to the server to delete a theme.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}              args
	 * @param {string}              args.slug    Theme stylesheet.
	 * @param {deleteThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.deleteThemeSuccess
	 * @param {deleteThemeError=}   args.error   Optional. Error callback. Default: wp.updates.deleteThemeError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.deleteTheme = function( args ) {
		var $button;

		if ( 'themes' === pagenow ) {
			$button = $( '.theme-actions .delete-theme' );
		} else if ( 'themes-network' === pagenow ) {
			$button = $( '[data-slug="' + args.slug + '"]' ).find( '.row-actions a.delete' );
		}

		args = _.extend( {
			success: wp.updates.deleteThemeSuccess,
			error: wp.updates.deleteThemeError
		}, args );

		if ( $button && $button.html() !== __( 'Deleting...' ) ) {
			$button
				.data( 'originaltext', $button.html() )
				.text( __( 'Deleting...' ) );
		}

		wp.a11y.speak( __( 'Deleting...' ) );

		// Remove previous error messages, if any.
		$( '.theme-info .update-message' ).remove();

		$document.trigger( 'wp-theme-deleting', args );

		return wp.updates.ajax( 'delete-theme', args );
	};

	/**
	 * Updates the UI appropriately after a successful theme deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response      Response from the server.
	 * @param {string} response.slug Slug of the theme that was deleted.
	 */
	wp.updates.deleteThemeSuccess = function( response ) {
		var $themeRows = $( '[data-slug="' + response.slug + '"]' );

		if ( 'themes-network' === pagenow ) {

			// Removes the theme and updates rows.
			$themeRows.css( { backgroundColor: '#faafaa' } ).fadeOut( 350, function() {
				var $views     = $( '.subsubsub' ),
					$themeRow  = $( this ),
					themes     = settings.themes,
					deletedRow = wp.template( 'item-deleted-row' );

				if ( ! $themeRow.hasClass( 'plugin-update-tr' ) ) {
					$themeRow.after(
						deletedRow( {
							slug:    response.slug,
							colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
							name:    $themeRow.find( '.theme-title strong' ).text()
						} )
					);
				}

				$themeRow.remove();

				// Remove theme from update count.
				if ( -1 !== _.indexOf( themes.upgrade, response.slug ) ) {
					themes.upgrade = _.without( themes.upgrade, response.slug );
					wp.updates.decrementCount( 'theme' );
				}

				// Remove from views.
				if ( -1 !== _.indexOf( themes.disabled, response.slug ) ) {
					themes.disabled = _.without( themes.disabled, response.slug );
					if ( themes.disabled.length ) {
						$views.find( '.disabled .count' ).text( '(' + themes.disabled.length + ')' );
					} else {
						$views.find( '.disabled' ).remove();
					}
				}

				if ( -1 !== _.indexOf( themes['auto-update-enabled'], response.slug ) ) {
					themes['auto-update-enabled'] = _.without( themes['auto-update-enabled'], response.slug );
					if ( themes['auto-update-enabled'].length ) {
						$views.find( '.auto-update-enabled .count' ).text( '(' + themes['auto-update-enabled'].length + ')' );
					} else {
						$views.find( '.auto-update-enabled' ).remove();
					}
				}

				if ( -1 !== _.indexOf( themes['auto-update-disabled'], response.slug ) ) {
					themes['auto-update-disabled'] = _.without( themes['auto-update-disabled'], response.slug );
					if ( themes['auto-update-disabled'].length ) {
						$views.find( '.auto-update-disabled .count' ).text( '(' + themes['auto-update-disabled'].length + ')' );
					} else {
						$views.find( '.auto-update-disabled' ).remove();
					}
				}

				themes.all = _.without( themes.all, response.slug );

				// There is always at least one theme available.
				$views.find( '.all .count' ).text( '(' + themes.all.length + ')' );
			} );
		}

		// DecrementCount from update count.
		if ( 'themes' === pagenow ) {
		    var theme = _.find( _wpThemeSettings.themes, { id: response.slug } );
		    if ( theme.hasUpdate ) {
		        wp.updates.decrementCount( 'theme' );
		    }
		}

		wp.a11y.speak( _x( 'Deleted!', 'theme' ) );

		$document.trigger( 'wp-theme-delete-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed theme deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be deleted.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 */
	wp.updates.deleteThemeError = function( response ) {
		var $themeRow    = $( 'tr.inactive[data-slug="' + response.slug + '"]' ),
			$button      = $( '.theme-actions .delete-theme' ),
			updateRow    = wp.template( 'item-update-row' ),
			$updateRow   = $themeRow.siblings( '#' + response.slug + '-update' ),
			errorMessage = sprintf(
				/* translators: %s: Error string for a failed deletion. */
				__( 'Deletion failed: %s' ),
				response.errorMessage
			),
			$message     = wp.updates.adminNotice( {
				className: 'update-message notice-error notice-alt',
				message:   errorMessage
			} );

		if ( wp.updates.maybeHandleCredentialError( response, 'delete-theme' ) ) {
			return;
		}

		if ( 'themes-network' === pagenow ) {
			if ( ! $updateRow.length ) {
				$themeRow.addClass( 'update' ).after(
					updateRow( {
						slug: response.slug,
						colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
						content: $message
					} )
				);
			} else {
				// Remove previous error messages, if any.
				$updateRow.find( '.notice-error' ).remove();
				$updateRow.find( '.plugin-update' ).append( $message );
			}
		} else {
			$( '.theme-info .theme-description' ).before( $message );
		}

		$button.html( $button.data( 'originaltext' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-theme-delete-error', response );
	};

	/**
	 * Adds the appropriate callback based on the type of action and the current page.
	 *
	 * @since 4.6.0
	 * @private
	 *
	 * @param {Object} data   Ajax payload.
	 * @param {string} action The type of request to perform.
	 * @return {Object} The Ajax payload with the appropriate callbacks.
	 */
	wp.updates._addCallbacks = function( data, action ) {
		if ( 'import' === pagenow && 'install-plugin' === action ) {
			data.success = wp.updates.installImporterSuccess;
			data.error   = wp.updates.installImporterError;
		}

		return data;
	};

	/**
	 * Pulls available jobs from the queue and runs them.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 Can handle multiple job types.
	 */
	wp.updates.queueChecker = function() {
		var job;

		if ( wp.updates.ajaxLocked || ! wp.updates.queue.length ) {
			return;
		}

		job = wp.updates.queue.shift();

		// Handle a queue job.
		switch ( job.action ) {
			case 'install-plugin':
				wp.updates.installPlugin( job.data );
				break;

			case 'update-plugin':
				wp.updates.updatePlugin( job.data );
				break;

			case 'delete-plugin':
				wp.updates.deletePlugin( job.data );
				break;

			case 'install-theme':
				wp.updates.installTheme( job.data );
				break;

			case 'update-theme':
				wp.updates.updateTheme( job.data );
				break;

			case 'delete-theme':
				wp.updates.deleteTheme( job.data );
				break;

			default:
				break;
		}
	};

	/**
	 * Requests the users filesystem credentials if they aren't already known.
	 *
	 * @since 4.2.0
	 *
	 * @param {Event=} event Optional. Event interface.
	 */
	wp.updates.requestFilesystemCredentials = function( event ) {
		if ( false === wp.updates.filesystemCredentials.available ) {
			/*
			 * After exiting the credentials request modal,
			 * return the focus to the element triggering the request.
			 */
			if ( event && ! wp.updates.$elToReturnFocusToFromCredentialsModal ) {
				wp.updates.$elToReturnFocusToFromCredentialsModal = $( event.target );
			}

			wp.updates.ajaxLocked = true;
			wp.updates.requestForCredentialsModalOpen();
		}
	};

	/**
	 * Requests the users filesystem credentials if needed and there is no lock.
	 *
	 * @since 4.6.0
	 *
	 * @param {Event=} event Optional. Event interface.
	 */
	wp.updates.maybeRequestFilesystemCredentials = function( event ) {
		if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
			wp.updates.requestFilesystemCredentials( event );
		}
	};

	/**
	 * Keydown handler for the request for credentials modal.
	 *
	 * Closes the modal when the escape key is pressed and
	 * constrains keyboard navigation to inside the modal.
	 *
	 * @since 4.2.0
	 *
	 * @param {Event} event Event interface.
	 */
	wp.updates.keydown = function( event ) {
		if ( 27 === event.keyCode ) {
			wp.updates.requestForCredentialsModalCancel();
		} else if ( 9 === event.keyCode ) {

			// #upgrade button must always be the last focus-able element in the dialog.
			if ( 'upgrade' === event.target.id && ! event.shiftKey ) {
				$( '#hostname' ).trigger( 'focus' );

				event.preventDefault();
			} else if ( 'hostname' === event.target.id && event.shiftKey ) {
				$( '#upgrade' ).trigger( 'focus' );

				event.preventDefault();
			}
		}
	};

	/**
	 * Opens the request for credentials modal.
	 *
	 * @since 4.2.0
	 */
	wp.updates.requestForCredentialsModalOpen = function() {
		var $modal = $( '#request-filesystem-credentials-dialog' );

		$( 'body' ).addClass( 'modal-open' );
		$modal.show();
		$modal.find( 'input:enabled:first' ).trigger( 'focus' );
		$modal.on( 'keydown', wp.updates.keydown );
	};

	/**
	 * Closes the request for credentials modal.
	 *
	 * @since 4.2.0
	 */
	wp.updates.requestForCredentialsModalClose = function() {
		$( '#request-filesystem-credentials-dialog' ).hide();
		$( 'body' ).removeClass( 'modal-open' );

		if ( wp.updates.$elToReturnFocusToFromCredentialsModal ) {
			wp.updates.$elToReturnFocusToFromCredentialsModal.trigger( 'focus' );
		}
	};

	/**
	 * Takes care of the steps that need to happen when the modal is canceled out.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 Triggers an event for callbacks to listen to and add their actions.
	 */
	wp.updates.requestForCredentialsModalCancel = function() {

		// Not ajaxLocked and no queue means we already have cleared things up.
		if ( ! wp.updates.ajaxLocked && ! wp.updates.queue.length ) {
			return;
		}

		_.each( wp.updates.queue, function( job ) {
			$document.trigger( 'credential-modal-cancel', job );
		} );

		// Remove the lock, and clear the queue.
		wp.updates.ajaxLocked = false;
		wp.updates.queue = [];

		wp.updates.requestForCredentialsModalClose();
	};

	/**
	 * Displays an error message in the request for credentials form.
	 *
	 * @since 4.2.0
	 *
	 * @param {string} message Error message.
	 */
	wp.updates.showErrorInCredentialsForm = function( message ) {
		var $filesystemForm = $( '#request-filesystem-credentials-form' );

		// Remove any existing error.
		$filesystemForm.find( '.notice' ).remove();
		$filesystemForm.find( '#request-filesystem-credentials-title' ).after( '<div class="notice notice-alt notice-error"><p>' + message + '</p></div>' );
	};

	/**
	 * Handles credential errors and runs events that need to happen in that case.
	 *
	 * @since 4.2.0
	 *
	 * @param {Object} response Ajax response.
	 * @param {string} action   The type of request to perform.
	 */
	wp.updates.credentialError = function( response, action ) {

		// Restore callbacks.
		response = wp.updates._addCallbacks( response, action );

		wp.updates.queue.unshift( {
			action: action,

			/*
			 * Not cool that we're depending on response for this data.
			 * This would feel more whole in a view all tied together.
			 */
			data: response
		} );

		wp.updates.filesystemCredentials.available = false;
		wp.updates.showErrorInCredentialsForm( response.errorMessage );
		wp.updates.requestFilesystemCredentials();
	};

	/**
	 * Handles credentials errors if it could not connect to the filesystem.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 * @param {string} action                The type of request to perform.
	 * @return {boolean} Whether there is an error that needs to be handled or not.
	 */
	wp.updates.maybeHandleCredentialError = function( response, action ) {
		if ( wp.updates.shouldRequestFilesystemCredentials && response.errorCode && 'unable_to_connect_to_filesystem' === response.errorCode ) {
			wp.updates.credentialError( response, action );
			return true;
		}

		return false;
	};

	/**
	 * Validates an Ajax response to ensure it's a proper object.
	 *
	 * If the response deems to be invalid, an admin notice is being displayed.
	 *
	 * @param {(Object|string)} response              Response from the server.
	 * @param {function=}       response.always       Optional. Callback for when the Deferred is resolved or rejected.
	 * @param {string=}         response.statusText   Optional. Status message corresponding to the status code.
	 * @param {string=}         response.responseText Optional. Request response as text.
	 * @param {string}          action                Type of action the response is referring to. Can be 'delete',
	 *                                                'update' or 'install'.
	 */
	wp.updates.isValidResponse = function( response, action ) {
		var error = __( 'Something went wrong.' ),
			errorMessage;

		// Make sure the response is a valid data object and not a Promise object.
		if ( _.isObject( response ) && ! _.isFunction( response.always ) ) {
			return true;
		}

		if ( _.isString( response ) && '-1' === response ) {
			error = __( 'An error has occurred. Please reload the page and try again.' );
		} else if ( _.isString( response ) ) {
			error = response;
		} else if ( 'undefined' !== typeof response.readyState && 0 === response.readyState ) {
			error = __( 'Connection lost or the server is busy. Please try again later.' );
		} else if ( _.isString( response.responseText ) && '' !== response.responseText ) {
			error = response.responseText;
		} else if ( _.isString( response.statusText ) ) {
			error = response.statusText;
		}

		switch ( action ) {
			case 'update':
				/* translators: %s: Error string for a failed update. */
				errorMessage = __( 'Update failed: %s' );
				break;

			case 'install':
				/* translators: %s: Error string for a failed installation. */
				errorMessage = __( 'Installation failed: %s' );
				break;

			case 'delete':
				/* translators: %s: Error string for a failed deletion. */
				errorMessage = __( 'Deletion failed: %s' );
				break;
		}

		// Messages are escaped, remove HTML tags to make them more readable.
		error = error.replace( /<[\/a-z][^<>]*>/gi, '' );
		errorMessage = errorMessage.replace( '%s', error );

		// Add admin notice.
		wp.updates.addAdminNotice( {
			id:        'unknown_error',
			className: 'notice-error is-dismissible',
			message:   _.escape( errorMessage )
		} );

		// Remove the lock, and clear the queue.
		wp.updates.ajaxLocked = false;
		wp.updates.queue      = [];

		// Change buttons of all running updates.
		$( '.button.updating-message' )
			.removeClass( 'updating-message' )
			.removeAttr( 'aria-label' )
			.prop( 'disabled', true )
			.text( __( 'Update failed.' ) );

		$( '.updating-message:not(.button):not(.thickbox)' )
			.removeClass( 'updating-message notice-warning' )
			.addClass( 'notice-error' )
			.find( 'p' )
				.removeAttr( 'aria-label' )
				.text( errorMessage );

		wp.a11y.speak( errorMessage, 'assertive' );

		return false;
	};

	/**
	 * Potentially adds an AYS to a user attempting to leave the page.
	 *
	 * If an update is on-going and a user attempts to leave the page,
	 * opens an "Are you sure?" alert.
	 *
	 * @since 4.2.0
	 */
	wp.updates.beforeunload = function() {
		if ( wp.updates.ajaxLocked ) {
			return __( 'Updates may not complete if you navigate away from this page.' );
		}
	};

	$( function() {
		var $pluginFilter        = $( '#plugin-filter' ),
			$bulkActionForm      = $( '#bulk-action-form' ),
			$filesystemForm      = $( '#request-filesystem-credentials-form' ),
			$filesystemModal     = $( '#request-filesystem-credentials-dialog' ),
			$pluginSearch        = $( '.plugins-php .wp-filter-search' ),
			$pluginInstallSearch = $( '.plugin-install-php .wp-filter-search' );

		settings = _.extend( settings, window._wpUpdatesItemCounts || {} );

		if ( settings.totals ) {
			wp.updates.refreshCount();
		}

		/*
		 * Whether a user needs to submit filesystem credentials.
		 *
		 * This is based on whether the form was output on the page server-side.
		 *
		 * @see {wp_print_request_filesystem_credentials_modal() in PHP}
		 */
		wp.updates.shouldRequestFilesystemCredentials = $filesystemModal.length > 0;

		/**
		 * File system credentials form submit noop-er / handler.
		 *
		 * @since 4.2.0
		 */
		$filesystemModal.on( 'submit', 'form', function( event ) {
			event.preventDefault();

			// Persist the credentials input by the user for the duration of the page load.
			wp.updates.filesystemCredentials.ftp.hostname       = $( '#hostname' ).val();
			wp.updates.filesystemCredentials.ftp.username       = $( '#username' ).val();
			wp.updates.filesystemCredentials.ftp.password       = $( '#password' ).val();
			wp.updates.filesystemCredentials.ftp.connectionType = $( 'input[name="connection_type"]:checked' ).val();
			wp.updates.filesystemCredentials.ssh.publicKey      = $( '#public_key' ).val();
			wp.updates.filesystemCredentials.ssh.privateKey     = $( '#private_key' ).val();
			wp.updates.filesystemCredentials.fsNonce            = $( '#_fs_nonce' ).val();
			wp.updates.filesystemCredentials.available          = true;

			// Unlock and invoke the queue.
			wp.updates.ajaxLocked = false;
			wp.updates.queueChecker();

			wp.updates.requestForCredentialsModalClose();
		} );

		/**
		 * Closes the request credentials modal when clicking the 'Cancel' button or outside of the modal.
		 *
		 * @since 4.2.0
		 */
		$filesystemModal.on( 'click', '[data-js-action="close"], .notification-dialog-background', wp.updates.requestForCredentialsModalCancel );

		/**
		 * Hide SSH fields when not selected.
		 *
		 * @since 4.2.0
		 */
		$filesystemForm.on( 'change', 'input[name="connection_type"]', function() {
			$( '#ssh-keys' ).toggleClass( 'hidden', ( 'ssh' !== $( this ).val() ) );
		} ).trigger( 'change' );

		/**
		 * Handles events after the credential modal was closed.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event}  event Event interface.
		 * @param {string} job   The install/update.delete request.
		 */
		$document.on( 'credential-modal-cancel', function( event, job ) {
			var $updatingMessage = $( '.updating-message' ),
				$message, originalText;

			if ( 'import' === pagenow ) {
				$updatingMessage.removeClass( 'updating-message' );
			} else if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
				if ( 'update-plugin' === job.action ) {
					$message = $( 'tr[data-plugin="' + job.data.plugin + '"]' ).find( '.update-message' );
				} else if ( 'delete-plugin' === job.action ) {
					$message = $( '[data-plugin="' + job.data.plugin + '"]' ).find( '.row-actions a.delete' );
				}
			} else if ( 'themes' === pagenow || 'themes-network' === pagenow ) {
				if ( 'update-theme' === job.action ) {
					$message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.update-message' );
				} else if ( 'delete-theme' === job.action && 'themes-network' === pagenow ) {
					$message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.row-actions a.delete' );
				} else if ( 'delete-theme' === job.action && 'themes' === pagenow ) {
					$message = $( '.theme-actions .delete-theme' );
				}
			} else {
				$message = $updatingMessage;
			}

			if ( $message && $message.hasClass( 'updating-message' ) ) {
				originalText = $message.data( 'originaltext' );

				if ( 'undefined' === typeof originalText ) {
					originalText = $( '<p>' ).html( $message.find( 'p' ).data( 'originaltext' ) );
				}

				$message
					.removeClass( 'updating-message' )
					.html( originalText );

				if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
					if ( 'update-plugin' === job.action ) {
						$message.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name and version. */
								_x( 'Update %s now', 'plugin' ),
								$message.data( 'name' )
							)
						);
					} else if ( 'install-plugin' === job.action ) {
						$message.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name. */
								_x( 'Install %s now', 'plugin' ),
								$message.data( 'name' )
							)
						);
					}
				}
			}

			wp.a11y.speak( __( 'Update canceled.' ) );
		} );

		/**
		 * Click handler for plugin updates in List Table view.
		 *
		 * @since 4.2.0
		 *
		 * @param {Event} event Event interface.
		 */
		$bulkActionForm.on( 'click', '[data-plugin] .update-link', function( event ) {
			var $message   = $( event.target ),
				$pluginRow = $message.parents( 'tr' );

			event.preventDefault();

			if ( $message.hasClass( 'updating-message' ) || $message.hasClass( 'button-disabled' ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			// Return the user to the input box of the plugin's table row after closing the modal.
			wp.updates.$elToReturnFocusToFromCredentialsModal = $pluginRow.find( '.check-column input' );
			wp.updates.updatePlugin( {
				plugin: $pluginRow.data( 'plugin' ),
				slug:   $pluginRow.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for plugin updates in plugin install view.
		 *
		 * @since 4.2.0
		 *
		 * @param {Event} event Event interface.
		 */
		$pluginFilter.on( 'click', '.update-now', function( event ) {
			var $button = $( event.target );
			event.preventDefault();

			if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			wp.updates.updatePlugin( {
				plugin: $button.data( 'plugin' ),
				slug:   $button.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for plugin installs in plugin install view.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$pluginFilter.on( 'click', '.install-now', function( event ) {
			var $button = $( event.target );
			event.preventDefault();

			if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
				return;
			}

			if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
				wp.updates.requestFilesystemCredentials( event );

				$document.on( 'credential-modal-cancel', function() {
					var $message = $( '.install-now.updating-message' );

					$message
						.removeClass( 'updating-message' )
						.text( __( 'Install Now' ) );

					wp.a11y.speak( __( 'Update canceled.' ) );
				} );
			}

			wp.updates.installPlugin( {
				slug: $button.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for importer plugins installs in the Import screen.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '.importer-item .install-now', function( event ) {
			var $button = $( event.target ),
				pluginName = $( this ).data( 'name' );

			event.preventDefault();

			if ( $button.hasClass( 'updating-message' ) ) {
				return;
			}

			if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
				wp.updates.requestFilesystemCredentials( event );

				$document.on( 'credential-modal-cancel', function() {

					$button
						.removeClass( 'updating-message' )
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name. */
								_x( 'Install %s now', 'plugin' ),
								pluginName
							)
						)
						.text( __( 'Install Now' ) );

					wp.a11y.speak( __( 'Update canceled.' ) );
				} );
			}

			wp.updates.installPlugin( {
				slug:    $button.data( 'slug' ),
				pagenow: pagenow,
				success: wp.updates.installImporterSuccess,
				error:   wp.updates.installImporterError
			} );
		} );

		/**
		 * Click handler for plugin deletions.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$bulkActionForm.on( 'click', '[data-plugin] a.delete', function( event ) {
			var $pluginRow = $( event.target ).parents( 'tr' ),
				confirmMessage;

			if ( $pluginRow.hasClass( 'is-uninstallable' ) ) {
				confirmMessage = sprintf(
					/* translators: %s: Plugin name. */
					__( 'Are you sure you want to delete %s and its data?' ),
					$pluginRow.find( '.plugin-title strong' ).text()
				);
			} else {
				confirmMessage = sprintf(
					/* translators: %s: Plugin name. */
					__( 'Are you sure you want to delete %s?' ),
					$pluginRow.find( '.plugin-title strong' ).text()
				);
			}

			event.preventDefault();

			if ( ! window.confirm( confirmMessage ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			wp.updates.deletePlugin( {
				plugin: $pluginRow.data( 'plugin' ),
				slug:   $pluginRow.data( 'slug' )
			} );

		} );

		/**
		 * Click handler for theme updates.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '.themes-php.network-admin .update-link', function( event ) {
			var $message  = $( event.target ),
				$themeRow = $message.parents( 'tr' );

			event.preventDefault();

			if ( $message.hasClass( 'updating-message' ) || $message.hasClass( 'button-disabled' ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			// Return the user to the input box of the theme's table row after closing the modal.
			wp.updates.$elToReturnFocusToFromCredentialsModal = $themeRow.find( '.check-column input' );
			wp.updates.updateTheme( {
				slug: $themeRow.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for theme deletions.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '.themes-php.network-admin a.delete', function( event ) {
			var $themeRow = $( event.target ).parents( 'tr' ),
				confirmMessage = sprintf(
					/* translators: %s: Theme name. */
					__( 'Are you sure you want to delete %s?' ),
					$themeRow.find( '.theme-title strong' ).text()
				);

			event.preventDefault();

			if ( ! window.confirm( confirmMessage ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			wp.updates.deleteTheme( {
				slug: $themeRow.data( 'slug' )
			} );
		} );

		/**
		 * Bulk action handler for plugins and themes.
		 *
		 * Handles both deletions and updates.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$bulkActionForm.on( 'click', '[type="submit"]:not([name="clear-recent-list"])', function( event ) {
			var bulkAction    = $( event.target ).siblings( 'select' ).val(),
				itemsSelected = $bulkActionForm.find( 'input[name="checked[]"]:checked' ),
				success       = 0,
				error         = 0,
				errorMessages = [],
				type, action;

			// Determine which type of item we're dealing with.
			switch ( pagenow ) {
				case 'plugins':
				case 'plugins-network':
					type = 'plugin';
					break;

				case 'themes-network':
					type = 'theme';
					break;

				default:
					return;
			}

			// Bail if there were no items selected.
			if ( ! itemsSelected.length ) {
				event.preventDefault();
				$( 'html, body' ).animate( { scrollTop: 0 } );

				return wp.updates.addAdminNotice( {
					id:        'no-items-selected',
					className: 'notice-error is-dismissible',
					message:   __( 'Please select at least one item to perform this action on.' )
				} );
			}

			// Determine the type of request we're dealing with.
			switch ( bulkAction ) {
				case 'update-selected':
					action = bulkAction.replace( 'selected', type );
					break;

				case 'delete-selected':
					var confirmMessage = 'plugin' === type ?
						__( 'Are you sure you want to delete the selected plugins and their data?' ) :
						__( 'Caution: These themes may be active on other sites in the network. Are you sure you want to proceed?' );

					if ( ! window.confirm( confirmMessage ) ) {
						event.preventDefault();
						return;
					}

					action = bulkAction.replace( 'selected', type );
					break;

				default:
					return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			event.preventDefault();

			// Un-check the bulk checkboxes.
			$bulkActionForm.find( '.manage-column [type="checkbox"]' ).prop( 'checked', false );

			$document.trigger( 'wp-' + type + '-bulk-' + bulkAction, itemsSelected );

			// Find all the checkboxes which have been checked.
			itemsSelected.each( function( index, element ) {
				var $checkbox = $( element ),
					$itemRow = $checkbox.parents( 'tr' );

				// Only add update-able items to the update queue.
				if ( 'update-selected' === bulkAction && ( ! $itemRow.hasClass( 'update' ) || $itemRow.find( 'notice-error' ).length ) ) {

					// Un-check the box.
					$checkbox.prop( 'checked', false );
					return;
				}

				// Add it to the queue.
				wp.updates.queue.push( {
					action: action,
					data:   {
						plugin: $itemRow.data( 'plugin' ),
						slug:   $itemRow.data( 'slug' )
					}
				} );
			} );

			// Display bulk notification for updates of any kind.
			$document.on( 'wp-plugin-update-success wp-plugin-update-error wp-theme-update-success wp-theme-update-error', function( event, response ) {
				var $itemRow = $( '[data-slug="' + response.slug + '"]' ),
					$bulkActionNotice, itemName;

				if ( 'wp-' + response.update + '-update-success' === event.type ) {
					success++;
				} else {
					itemName = response.pluginName ? response.pluginName : $itemRow.find( '.column-primary strong' ).text();

					error++;
					errorMessages.push( itemName + ': ' + response.errorMessage );
				}

				$itemRow.find( 'input[name="checked[]"]:checked' ).prop( 'checked', false );

				wp.updates.adminNotice = wp.template( 'wp-bulk-updates-admin-notice' );

				wp.updates.addAdminNotice( {
					id:            'bulk-action-notice',
					className:     'bulk-action-notice',
					successes:     success,
					errors:        error,
					errorMessages: errorMessages,
					type:          response.update
				} );

				$bulkActionNotice = $( '#bulk-action-notice' ).on( 'click', 'button', function() {
					// $( this ) is the clicked button, no need to get it again.
					$( this )
						.toggleClass( 'bulk-action-errors-collapsed' )
						.attr( 'aria-expanded', ! $( this ).hasClass( 'bulk-action-errors-collapsed' ) );
					// Show the errors list.
					$bulkActionNotice.find( '.bulk-action-errors' ).toggleClass( 'hidden' );
				} );

				if ( error > 0 && ! wp.updates.queue.length ) {
					$( 'html, body' ).animate( { scrollTop: 0 } );
				}
			} );

			// Reset admin notice template after #bulk-action-notice was added.
			$document.on( 'wp-updates-notice-added', function() {
				wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );
			} );

			// Check the queue, now that the event handlers have been added.
			wp.updates.queueChecker();
		} );

		if ( $pluginInstallSearch.length ) {
			$pluginInstallSearch.attr( 'aria-describedby', 'live-search-desc' );
		}

		/**
		 * Handles changes to the plugin search box on the new-plugin page,
		 * searching the repository dynamically.
		 *
		 * @since 4.6.0
		 */
		$pluginInstallSearch.on( 'keyup input', _.debounce( function( event, eventtype ) {
			var $searchTab = $( '.plugin-install-search' ), data, searchLocation;

			data = {
				_ajax_nonce: wp.updates.ajaxNonce,
				s:           encodeURIComponent( event.target.value ),
				tab:         'search',
				type:        $( '#typeselector' ).val(),
				pagenow:     pagenow
			};
			searchLocation = location.href.split( '?' )[ 0 ] + '?' + $.param( _.omit( data, [ '_ajax_nonce', 'pagenow' ] ) );

			// Clear on escape.
			if ( 'keyup' === event.type && 27 === event.which ) {
				event.target.value = '';
			}

			if ( wp.updates.searchTerm === data.s && 'typechange' !== eventtype ) {
				return;
			} else {
				$pluginFilter.empty();
				wp.updates.searchTerm = data.s;
			}

			if ( window.history && window.history.replaceState ) {
				window.history.replaceState( null, '', searchLocation );
			}

			if ( ! $searchTab.length ) {
				$searchTab = $( '<li class="plugin-install-search" />' )
					.append( $( '<a />', {
						'class': 'current',
						'href': searchLocation,
						'text': __( 'Search Results' )
					} ) );

				$( '.wp-filter .filter-links .current' )
					.removeClass( 'current' )
					.parents( '.filter-links' )
					.prepend( $searchTab );

				$pluginFilter.prev( 'p' ).remove();
				$( '.plugins-popular-tags-wrapper' ).remove();
			}

			if ( 'undefined' !== typeof wp.updates.searchRequest ) {
				wp.updates.searchRequest.abort();
			}
			$( 'body' ).addClass( 'loading-content' );

			wp.updates.searchRequest = wp.ajax.post( 'search-install-plugins', data ).done( function( response ) {
				$( 'body' ).removeClass( 'loading-content' );
				$pluginFilter.append( response.items );
				delete wp.updates.searchRequest;

				if ( 0 === response.count ) {
					wp.a11y.speak( __( 'You do not appear to have any plugins available at this time.' ) );
				} else {
					wp.a11y.speak(
						sprintf(
							/* translators: %s: Number of plugins. */
							__( 'Number of plugins found: %d' ),
							response.count
						)
					);
				}
			} );
		}, 1000 ) );

		if ( $pluginSearch.length ) {
			$pluginSearch.attr( 'aria-describedby', 'live-search-desc' );
		}

		/**
		 * Handles changes to the plugin search box on the Installed Plugins screen,
		 * searching the plugin list dynamically.
		 *
		 * @since 4.6.0
		 */
		$pluginSearch.on( 'keyup input', _.debounce( function( event ) {
			var data = {
				_ajax_nonce:   wp.updates.ajaxNonce,
				s:             encodeURIComponent( event.target.value ),
				pagenow:       pagenow,
				plugin_status: 'all'
			},
			queryArgs;

			// Clear on escape.
			if ( 'keyup' === event.type && 27 === event.which ) {
				event.target.value = '';
			}

			if ( wp.updates.searchTerm === data.s ) {
				return;
			} else {
				wp.updates.searchTerm = data.s;
			}

			queryArgs = _.object( _.compact( _.map( location.search.slice( 1 ).split( '&' ), function( item ) {
				if ( item ) return item.split( '=' );
			} ) ) );

			data.plugin_status = queryArgs.plugin_status || 'all';

			if ( window.history && window.history.replaceState ) {
				window.history.replaceState( null, '', location.href.split( '?' )[ 0 ] + '?s=' + data.s + '&plugin_status=' + data.plugin_status );
			}

			if ( 'undefined' !== typeof wp.updates.searchRequest ) {
				wp.updates.searchRequest.abort();
			}

			$bulkActionForm.empty();
			$( 'body' ).addClass( 'loading-content' );
			$( '.subsubsub .current' ).removeClass( 'current' );

			wp.updates.searchRequest = wp.ajax.post( 'search-plugins', data ).done( function( response ) {

				// Can we just ditch this whole subtitle business?
				var $subTitle    = $( '<span />' ).addClass( 'subtitle' ).html(
					sprintf(
						/* translators: %s: Search query. */
						__( 'Search results for: %s' ),
						'<strong>' + _.escape( decodeURIComponent( data.s ) ) + '</strong>'
					) ),
					$oldSubTitle = $( '.wrap .subtitle' );

				if ( ! data.s.length ) {
					$oldSubTitle.remove();
					$( '.subsubsub .' + data.plugin_status + ' a' ).addClass( 'current' );
				} else if ( $oldSubTitle.length ) {
					$oldSubTitle.replaceWith( $subTitle );
				} else {
					$( '.wp-header-end' ).before( $subTitle );
				}

				$( 'body' ).removeClass( 'loading-content' );
				$bulkActionForm.append( response.items );
				delete wp.updates.searchRequest;

				if ( 0 === response.count ) {
					wp.a11y.speak( __( 'No plugins found. Try a different search.'  ) );
				} else {
					wp.a11y.speak(
						sprintf(
							/* translators: %s: Number of plugins. */
							__( 'Number of plugins found: %d' ),
							response.count
						)
					);
				}
			} );
		}, 500 ) );

		/**
		 * Trigger a search event when the search form gets submitted.
		 *
		 * @since 4.6.0
		 */
		$document.on( 'submit', '.search-plugins', function( event ) {
			event.preventDefault();

			$( 'input.wp-filter-search' ).trigger( 'input' );
		} );

		/**
		 * Trigger a search event when the "Try Again" button is clicked.
		 *
		 * @since 4.9.0
		 */
		$document.on( 'click', '.try-again', function( event ) {
			event.preventDefault();
			$pluginInstallSearch.trigger( 'input' );
		} );

		/**
		 * Trigger a search event when the search type gets changed.
		 *
		 * @since 4.6.0
		 */
		$( '#typeselector' ).on( 'change', function() {
			var $search = $( 'input[name="s"]' );

			if ( $search.val().length ) {
				$search.trigger( 'input', 'typechange' );
			}
		} );

		/**
		 * Click handler for updating a plugin from the details modal on `plugin-install.php`.
		 *
		 * @since 4.2.0
		 *
		 * @param {Event} event Event interface.
		 */
		$( '#plugin_update_from_iframe' ).on( 'click', function( event ) {
			var target = window.parent === window ? null : window.parent,
				update;

			$.support.postMessage = !! window.postMessage;

			if ( false === $.support.postMessage || null === target || -1 !== window.parent.location.pathname.indexOf( 'update-core.php' ) ) {
				return;
			}

			event.preventDefault();

			update = {
				action: 'update-plugin',
				data:   {
					plugin: $( this ).data( 'plugin' ),
					slug:   $( this ).data( 'slug' )
				}
			};

			target.postMessage( JSON.stringify( update ), window.location.origin );
		} );

		/**
		 * Click handler for installing a plugin from the details modal on `plugin-install.php`.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$( '#plugin_install_from_iframe' ).on( 'click', function( event ) {
			var target = window.parent === window ? null : window.parent,
				install;

			$.support.postMessage = !! window.postMessage;

			if ( false === $.support.postMessage || null === target || -1 !== window.parent.location.pathname.indexOf( 'index.php' ) ) {
				return;
			}

			event.preventDefault();

			install = {
				action: 'install-plugin',
				data:   {
					slug: $( this ).data( 'slug' )
				}
			};

			target.postMessage( JSON.stringify( install ), window.location.origin );
		} );

		/**
		 * Handles postMessage events.
		 *
		 * @since 4.2.0
		 * @since 4.6.0 Switched `update-plugin` action to use the queue.
		 *
		 * @param {Event} event Event interface.
		 */
		$( window ).on( 'message', function( event ) {
			var originalEvent  = event.originalEvent,
				expectedOrigin = document.location.protocol + '//' + document.location.host,
				message;

			if ( originalEvent.origin !== expectedOrigin ) {
				return;
			}

			try {
				message = JSON.parse( originalEvent.data );
			} catch ( e ) {
				return;
			}

			if ( ! message || 'undefined' === typeof message.action ) {
				return;
			}

			switch ( message.action ) {

				// Called from `wp-admin/includes/class-wp-upgrader-skins.php`.
				case 'decrementUpdateCount':
					/** @property {string} message.upgradeType */
					wp.updates.decrementCount( message.upgradeType );
					break;

				case 'install-plugin':
				case 'update-plugin':
					/* jscs:disable requireCamelCaseOrUpperCaseIdentifiers */
					window.tb_remove();
					/* jscs:enable */

					message.data = wp.updates._addCallbacks( message.data, message.action );

					wp.updates.queue.push( message );
					wp.updates.queueChecker();
					break;
			}
		} );

		/**
		 * Adds a callback to display a warning before leaving the page.
		 *
		 * @since 4.2.0
		 */
		$( window ).on( 'beforeunload', wp.updates.beforeunload );

		/**
		 * Prevents the page form scrolling when activating auto-updates with the Spacebar key.
		 *
		 * @since 5.5.0
		 */
		$document.on( 'keydown', '.column-auto-updates .toggle-auto-update, .theme-overlay .toggle-auto-update', function( event ) {
			if ( 32 === event.which ) {
				event.preventDefault();
			}
		} );

		/**
		 * Click and keyup handler for enabling and disabling plugin and theme auto-updates.
		 *
		 * These controls can be either links or buttons. When JavaScript is enabled,
		 * we want them to behave like buttons. An ARIA role `button` is added via
		 * the JavaScript that targets elements with the CSS class `aria-button-if-js`.
		 *
		 * @since 5.5.0
		 */
		$document.on( 'click keyup', '.column-auto-updates .toggle-auto-update, .theme-overlay .toggle-auto-update', function( event ) {
			var data, asset, type, $parent,
				$toggler = $( this ),
				action = $toggler.attr( 'data-wp-action' ),
				$label = $toggler.find( '.label' );

			if ( 'keyup' === event.type && 32 !== event.which ) {
				return;
			}

			if ( 'themes' !== pagenow ) {
				$parent = $toggler.closest( '.column-auto-updates' );
			} else {
				$parent = $toggler.closest( '.theme-autoupdate' );
			}

			event.preventDefault();

			// Prevent multiple simultaneous requests.
			if ( $toggler.attr( 'data-doing-ajax' ) === 'yes' ) {
				return;
			}

			$toggler.attr( 'data-doing-ajax', 'yes' );

			switch ( pagenow ) {
				case 'plugins':
				case 'plugins-network':
					type = 'plugin';
					asset = $toggler.closest( 'tr' ).attr( 'data-plugin' );
					break;
				case 'themes-network':
					type = 'theme';
					asset = $toggler.closest( 'tr' ).attr( 'data-slug' );
					break;
				case 'themes':
					type = 'theme';
					asset = $toggler.attr( 'data-slug' );
					break;
			}

			// Clear any previous errors.
			$parent.find( '.notice.notice-error' ).addClass( 'hidden' );

			// Show loading status.
			if ( 'enable' === action ) {
				$label.text( __( 'Enabling...' ) );
			} else {
				$label.text( __( 'Disabling...' ) );
			}

			$toggler.find( '.dashicons-update' ).removeClass( 'hidden' );

			data = {
				action: 'toggle-auto-updates',
				_ajax_nonce: settings.ajax_nonce,
				state: action,
				type: type,
				asset: asset
			};

			$.post( window.ajaxurl, data )
				.done( function( response ) {
					var $enabled, $disabled, enabledNumber, disabledNumber, errorMessage,
						href = $toggler.attr( 'href' );

					if ( ! response.success ) {
						// if WP returns 0 for response (which can happen in a few cases),
						// output the general error message since we won't have response.data.error.
						if ( response.data && response.data.error ) {
							errorMessage = response.data.error;
						} else {
							errorMessage = __( 'The request could not be completed.' );
						}

						$parent.find( '.notice.notice-error' ).removeClass( 'hidden' ).find( 'p' ).text( errorMessage );
						wp.a11y.speak( errorMessage, 'assertive' );
						return;
					}

					// Update the counts in the enabled/disabled views if on a screen
					// with a list table.
					if ( 'themes' !== pagenow ) {
						$enabled       = $( '.auto-update-enabled span' );
						$disabled      = $( '.auto-update-disabled span' );
						enabledNumber  = parseInt( $enabled.text().replace( /[^\d]+/g, '' ), 10 ) || 0;
						disabledNumber = parseInt( $disabled.text().replace( /[^\d]+/g, '' ), 10 ) || 0;

						switch ( action ) {
							case 'enable':
								++enabledNumber;
								--disabledNumber;
								break;
							case 'disable':
								--enabledNumber;
								++disabledNumber;
								break;
						}

						enabledNumber = Math.max( 0, enabledNumber );
						disabledNumber = Math.max( 0, disabledNumber );

						$enabled.text( '(' + enabledNumber + ')' );
						$disabled.text( '(' + disabledNumber + ')' );
					}

					if ( 'enable' === action ) {
						// The toggler control can be either a link or a button.
						if ( $toggler[ 0 ].hasAttribute( 'href' ) ) {
							href = href.replace( 'action=enable-auto-update', 'action=disable-auto-update' );
							$toggler.attr( 'href', href );
						}
						$toggler.attr( 'data-wp-action', 'disable' );

						$label.text( __( 'Disable auto-updates' ) );
						$parent.find( '.auto-update-time' ).removeClass( 'hidden' );
						wp.a11y.speak( __( 'Auto-updates enabled' ) );
					} else {
						// The toggler control can be either a link or a button.
						if ( $toggler[ 0 ].hasAttribute( 'href' ) ) {
							href = href.replace( 'action=disable-auto-update', 'action=enable-auto-update' );
							$toggler.attr( 'href', href );
						}
						$toggler.attr( 'data-wp-action', 'enable' );

						$label.text( __( 'Enable auto-updates' ) );
						$parent.find( '.auto-update-time' ).addClass( 'hidden' );
						wp.a11y.speak( __( 'Auto-updates disabled' ) );
					}

					$document.trigger( 'wp-auto-update-setting-changed', { state: action, type: type, asset: asset } );
				} )
				.fail( function() {
					$parent.find( '.notice.notice-error' )
						.removeClass( 'hidden' )
						.find( 'p' )
						.text( __( 'The request could not be completed.' ) );

					wp.a11y.speak( __( 'The request could not be completed.' ), 'assertive' );
				} )
				.always( function() {
					$toggler.removeAttr( 'data-doing-ajax' ).find( '.dashicons-update' ).addClass( 'hidden' );
				} );
			}
		);
	} );
})( jQuery, window.wp, window._wpUpdatesSettings );
There are a number of techniques that can be used to regulate – Base de données MCPV "Prestataires"

There are a number of techniques that can be used to regulate

Feminine Ejaculation & Squirting: Historical Past, Popularity, Controversy, And First-person Experiences

Well, feminine ejaculation is one other thriller altogether! If you’re anyone who is curious about squirting, we now have got you lined. There are a number of techniques that can be used to regulate squirting in the bed room. One methodology is to avoid stimulating the Skene’s gland, which can be done by staying away from the urethra throughout manual stimulation or utilizing a vibrator.

An empowering on-line course guiding you into the juicy art of G-spot pleasure and feminine ejaculation. “Play with what feels really good to you,” says Hall. You also can use a dildo or vibrator, but it’s good to get a feel along with your fingers first to find your G-spot. The G-spot is a small bundle of tissues and nerves about two inches into the vagina on the higher wall. That’s why attempting positions that involve rear entry have a higher chance of stimulating this space.

I think squirting is like bodily proof of my pleasure or proof that I had fun for him. Want more tips and insights into sexual well being and pleasure? Check out the assets obtainable at Natural Cycles—a hormone-free, science-backed way to study your body and well being. “Explore your physique and inside vaginal tissue. See what areas have arousal and erotic potential,” says AASECT-certified intercourse therapist Jenni Skyler, Ph.D., LMFT, CST.

You’ve received to just push through and tell yourself and that if you’re assured on the surface, then the arrogance on the inside will match up to it. So she is going to hold it back, even if she may squirt , she wouldn’t do it for you type of like a courtesy. So what you wish to inform her is that you truly love this, and that the hottest factor for you is to see a woman squirt and to see your woman squirt.

I squirt most of the time with my current bf, no one else might do it but it’s exactly the technique that’s proven in the video. It doesn’t gave pee odour and is simply the same because the juice. Your sex life, that’s just one a part of your life, however what about different relationship topics? What about the way to a good girlfriend within the beginning? Understanding feminine psychology, much more than that, how do you create an superior life?

Squirting is a sexual expertise like no different, and breaking the barrier initially can be one of many toughest things you do inside your sexuality. Some individuals reported that squirting changes the sensation of their climax. “I often feel more relaxed after [I squirt] — whereas if I have an orgasm but do not squirt how to squirt during sex, I’m virtually always able to go again,” a Redditor explained. It’s additionally worth noting here that not every human physique is the same, which means that not everyone appears to be capable of squirting. If it does not occur, though, you may be left with a wild sexual session crammed with ardour and experimentation, and that should be more than sufficient to place a smile on each your faces.

However, it wasn’t till the twentieth century that the topic began to obtain scientific consideration within the West. The nature and origin of squirting, known throughout various cultures for centuries, has been both celebrated and misunderstood. Ancient texts, such as the Kama Sutra from India and Taoist writings from China, reference the expulsion of fluid in ladies during sexual pleasure, suggesting an early consciousness of squirting. If you can’t get the stress you want from your penis, use your fingers. You can ask to rub the clitoris as well to offer much more arousal.

Specifically, it comes out of the urethra – the tunnel that often carries urine out of your physique. It’s launched by the Skene’s gland and the bladder, which are triggered into action by G-spot stimulation. Squirting is when liquid involuntarily “squirts” out of the vulva, in a method similar to the way ejaculate “shoots” out of a penis, on account of sexual stimulation. While trace quantities of urine may be found in squirting fluid, it’s largely made up of fluids from the Skene’s glands.

Most girls don’t know that they ejaculate, as a outcome of the fluid usually goes again into the bladder. If you want to make your girl squirt on your cock during sex with a vibrating butt plug but you haven’t tried butt stuff before, check out my full information to anal intercourse positions. The most IMPORTANT factor to know is that the anus and anal canal don’t self-lubricate so that you MUST use a water-based lube. (Don’t use silicone or oil-based lube on silicone plugs as it may possibly injury them, but glass or metal plugs are fine). It’s also not an indication that the sex isn’t pleasant, it simply signifies that they need a little further stimulation to get there.

This method, your knuckles can stimulate your perineum (the space between your vagina and anus) each time you rock ahead, and the natural curve of your fingers will target the g-spot. While there’s no one-size-fits all way to make your self squirt, there are some different strategies you can try. If you’re curious as to whether you or a partner are in a position to squirt after menopause, you probably can strive the step-by-step guide beneath on how to make your self squirt and tips on how to squirt with vibrator. Sadly, there’s no research on if you can squirt after menopause.

Feminine Ejaculation & Squirting: Historical Past, Popularity, Controversy, And First-person Experiences Well, feminine ejaculation is one other thriller altogether! If you’re anyone who is curious about squirting, we now have got you lined. There are a number of techniques that can be used to regulate squirting in the bed room. One methodology is to avoid…

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