Upgrade/Install: Only show auto-update for themes that support the feature.

Similar to the changes for plugins in [48669], let's only show the UI for themes when updates are supported for that theme.

See #50280.
Props dd32.


git-svn-id: https://develop.svn.wordpress.org/trunk@48688 602fd350-edb4-49c9-b593-d223f7449a82

src/js/_enqueues/wp/theme.js

@@ -802,8 +802,11 @@ themes.view.Details = wp.Backbone.View.extend({
 
 		// Support concurrent clicks in different Theme Details overlays.
 		callback = function( event, data ) {
+			var autoupdate;
 			if ( _this.model.get( 'id' ) === data.asset ) {
-				_this.model.set( { autoupdate: 'enable' === data.state } );
+				autoupdate = _this.model.get( 'autoupdate' );
+				autoupdate.enabled = 'enable' === data.state;
+				_this.model.set( { autoupdate: autoupdate } );
 				$( document ).off( 'wp-auto-update-setting-changed', callback );
 			}
 		};

src/wp-admin/includes/theme.php

@@ -648,11 +648,15 @@ function wp_prepare_themes_for_js( $themes = null ) {
 	}
 
 	$updates    = array();
+	$no_updates = array();
 	if ( current_user_can( 'update_themes' ) ) {
 		$updates_transient = get_site_transient( 'update_themes' );
 		if ( isset( $updates_transient->response ) ) {
 			$updates = $updates_transient->response;
 		}
+		if ( isset( $updates_transient->no_update ) ) {
+			$no_updates = $updates_transient->no_update;
+		}
 	}
 
 	WP_Theme::sort_by_name( $themes );
@@ -690,6 +694,31 @@ function wp_prepare_themes_for_js( $themes = null ) {
 		$auto_update        = in_array( $slug, $auto_updates, true );
 		$auto_update_action = $auto_update ? 'disable-auto-update' : 'enable-auto-update';
 
+		if ( isset( $updates[ $slug ] ) ) {
+			$auto_update_supported      = true;
+			$auto_update_filter_payload = (object) $updates[ $slug ];
+		} elseif ( isset( $no_updates[ $slug ] ) ) {
+			$auto_update_supported      = true;
+			$auto_update_filter_payload = (object) $no_updates[ $slug ];
+		} else {
+			$auto_update_supported = false;
+			/*
+			 * Create the expected payload for the auto_update_theme filter, this is the same data
+			 * as contained within $updates or $no_updates but used when the Theme is not known.
+			 */
+			$auto_update_filter_payload = (object) array(
+				'theme'        => $slug,
+				'new_version'  => $theme->get( 'Version' ),
+				'url'          => '',
+				'package'      => '',
+				'requires'     => $theme->get( 'RequiresWP' ),
+				'requires_php' => $theme->get( 'RequiresPHP' ),
+			);
+		}
+
+		/** This action is documented in wp-admin/includes/class-wp-automatic-updater.php */
+		$auto_update_forced = apply_filters( 'auto_update_theme', null, $auto_update_filter_payload );
+
 		$prepared_themes[ $slug ] = array(
 			'id'             => $slug,
 			'name'           => $theme->display( 'Name' ),
@@ -710,7 +739,11 @@ function wp_prepare_themes_for_js( $themes = null ) {
 			'hasUpdate'      => isset( $updates[ $slug ] ),
 			'hasPackage'     => isset( $updates[ $slug ] ) && ! empty( $updates[ $slug ]['package'] ),
 			'update'         => get_theme_update_available( $theme ),
-			'autoupdate'     => $auto_update,
+			'autoupdate'     => array(
+				'enabled'   => $auto_update || $auto_update_forced,
+				'supported' => $auto_update_supported,
+				'forced'    => $auto_update_forced,
+			),
 			'actions'        => array(
 				'activate'   => current_user_can( 'switch_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=activate&stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null,
 				'customize'  => $customize_action,

src/wp-admin/themes.php

@@ -675,7 +675,12 @@ if ( ! is_multisite() && $broken_themes ) {
 function wp_theme_auto_update_setting_template() {
 	$template = '
 		<div class="theme-autoupdate">
-			<# if ( data.autoupdate ) { #>
+			<# if ( data.autoupdate.supported ) { #>
+				<# if ( data.autoupdate.forced === false ) { #>
+					' . __( 'Auto-updates disabled' ) . '
+				<# } else if ( data.autoupdate.forced ) { #>
+					' . __( 'Auto-updates enabled' ) . '
+				<# } else if ( data.autoupdate.enabled ) { #>
 					<button type="button" class="toggle-auto-update button-link" data-slug="{{ data.id }}" data-wp-action="disable">
 						<span class="dashicons dashicons-update spin hidden" aria-hidden="true"></span><span class="label">' . __( 'Disable auto-updates' ) . '</span>
 					</button>
@@ -684,8 +689,9 @@ function wp_theme_auto_update_setting_template() {
 						<span class="dashicons dashicons-update spin hidden" aria-hidden="true"></span><span class="label">' . __( 'Enable auto-updates' ) . '</span>
 					</button>
 				<# } #>
+			<# } #>
 			<# if ( data.hasUpdate ) { #>
-				<# if ( data.autoupdate ) { #>
+				<# if ( data.autoupdate.supported && data.autoupdate.enabled ) { #>
 					<span class="auto-update-time">
 				<# } else { #>
 					<span class="auto-update-time hidden">

src/wp-includes/update.php

@@ -621,6 +621,7 @@ function wp_update_themes( $extra_stats = array() ) {
 
 	if ( is_array( $response ) ) {
 		$new_update->response     = $response['themes'];
+		$new_update->no_update    = $response['no_update'];
 		$new_update->translations = $response['translations'];
 	}