Export whether each widget is_live_previewable to client

Author: westonruter

class-widget-form-wp-customize-control.php

@@ -12,10 +12,11 @@ class Widget_Form_WP_Customize_Control extends WP_Customize_Control {
 public $width;
 public $height;
 public $is_wide = false;
+public $is_live_previewable = false;
 
 public function to_json() {
 parent::to_json();
-$exported_properties = array( 'widget_id', 'widget_id_base', 'sidebar_id', 'width', 'height', 'is_wide' );
+$exported_properties = array( 'widget_id', 'widget_id_base', 'sidebar_id', 'width', 'height', 'is_wide', 'is_live_previewable' );
 foreach ( $exported_properties as $key ) {
 $this->json[$key] = $this->$key;
 }

widget-customizer.js

@@ -485,7 +485,8 @@ var WidgetCustomizer = (function ($) {
 is_new: ! is_existing_widget,
 width: widget.get( 'width' ),
 height: widget.get( 'height' ),
-is_wide: widget.get( 'is_wide' )
+is_wide: widget.get( 'is_wide' ),
+is_live_previewable: widget.get( 'is_live_previewable' )
 },
 previewer: control.setting.previewer
 } );
@@ -653,7 +654,7 @@ var WidgetCustomizer = (function ($) {
 } );
 e.preventDefault();
 }
-});
+} );
 
 // Remove loading indicators when the setting is saved and the preview updates
 control.setting.previewer.channel.bind( 'synced', function () {

widget-customizer.php

@@ -486,6 +486,7 @@ static function customize_register( $wp_customize = null ) {
 'width' => $wp_registered_widget_controls[$widget_id]['width'],
 'height' => $wp_registered_widget_controls[$widget_id]['height'],
 'is_wide' => self::is_wide_widget( $widget_id ),
+'is_live_previewable' => self::is_widget_live_previewable( $id_base ),
 )
 );
 $wp_customize->add_control( $control );
@@ -768,10 +769,21 @@ static function temp_customize_sanitize_js( $value, $setting ) {
  * @return string {refresh|postMessage}
  */
 static function get_widget_setting_transport( $id_base ) {
-global $wp_registered_widgets, $wp_registered_widget_controls;
-if ( ! current_theme_supports( 'widget-customizer' ) ) {
+if ( ! current_theme_supports( 'widget-customizer' ) || ! self::is_widget_live_previewable( $id_base ) ) {
 return 'refresh';
+} else {
+return 'postMessage';
 }
+}
+
+/**
+ * Return whether a widget supports being
+ *
+ * @param string $id_base
+ * @return boolean
+ */
+static function is_widget_live_previewable( $id_base ) {
+global $wp_registered_widgets, $wp_registered_widget_controls;
 $live_previewable = false;
 
 // Core widgets all have built-in support
@@ -791,7 +803,7 @@ static function get_widget_setting_transport( $id_base ) {
 
 $live_previewable = apply_filters( 'customizer_widget_live_previewable', $live_previewable, $id_base );
 $live_previewable = apply_filters( "customizer_widget_live_previewable_{$id_base}", $live_previewable );
-return $live_previewable ? 'postMessage' : 'refresh';
+return $live_previewable;
 }
 
 /**
@@ -886,6 +898,7 @@ static function get_available_widgets() {
 'width' => $wp_registered_widget_controls[$widget['id']]['width'],
 'height' => $wp_registered_widget_controls[$widget['id']]['height'],
 'is_wide' => self::is_wide_widget( $widget['id'] ),
+'is_live_previewable' => self::is_widget_live_previewable( $id_base ),
 )
 );