WP_Customize_Manager::get_stylesheet()

Method: Retrieve the stylesheet name of the previewed theme.

Source: wp-includes/class-wp-customize-manager.php:2194

WP_Customize_Manager::refresh_changeset_lock()

Method: Refreshes changeset lock with the current time if current user edited the changeset before.

Source: wp-includes/class-wp-customize-manager.php:3144

Method: If the theme to be previewed isn’t the active theme, add filter callbacks to swap it out at runtime.

Source: wp-includes/class-wp-customize-manager.php:665

Method: Register styles/scripts and initialize the preview of each setting

Source: wp-includes/class-wp-customize-manager.php:899

Action Hook: Announce when any setting’s unsanitized post value has been set.

Source: wp-includes/class-wp-customize-manager.php:1811

Method: Retrieve the template root of the previewed theme.

Source: wp-includes/class-wp-customize-manager.php:2205

Method: Filter heartbeat settings for the Customizer.

Source: wp-includes/class-wp-customize-manager.php:3168

Action Hook: Fires once the Customizer theme preview has started.

Source: wp-includes/class-wp-customize-manager.php:694

Action Hook: Fires once ClassicPress has loaded, allowing scripts and styles to be initialized.

Source: wp-includes/class-wp-customize-manager.php:926

Method: Print JavaScript settings.

Source: wp-includes/class-wp-customize-manager.php:1819