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<?php
/**
* Administration API: WP_Internal_Pointers class
*
* @package WordPress
* @subpackage Administration
* @since 4.4.0
*/
/**
* Core class used to implement an internal admin pointers API.
*
* @since 3.3.0
*/
final class WP_Internal_Pointers {
/**
* Initializes the new feature pointers.
*
* @since 3.3.0
*
* All pointers can be disabled using the following:
* remove_action( 'admin_enqueue_scripts', array( 'WP_Internal_Pointers', 'enqueue_scripts' ) );
*
* Individual pointers (e.g. wp390_widgets) can be disabled using the following:
* remove_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_wp390_widgets' ) );
*
* @param string $hook_suffix The current admin page.
*/
public static function enqueue_scripts( $hook_suffix ) {
/*
* Register feature pointers
*
* Format:
* array(
* hook_suffix => pointer callback
* )
*
* Example:
* array(
* 'themes.php' => 'wp390_widgets'
* )
*/
$registered_pointers = array(
//None currently.
);
// Check if screen related pointer is registered
if ( empty( $registered_pointers[ $hook_suffix ] ) ) {
return;
}
$pointers = (array) $registered_pointers[ $hook_suffix ];
/*
* Specify required capabilities for feature pointers
*
* Format:
* array(
* pointer callback => Array of required capabilities
* )
*
* Example:
* array(
* 'wp390_widgets' => array( 'edit_theme_options' )
* )
*/
$caps_required = array(
// None currently.
);
// Get dismissed pointers
$dismissed = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
$got_pointers = false;
foreach ( array_diff( $pointers, $dismissed ) as $pointer ) {
if ( isset( $caps_required[ $pointer ] ) ) {
foreach ( $caps_required[ $pointer ] as $cap ) {
if ( ! current_user_can( $cap ) ) {
continue 2;
}
}
}
// Bind pointer print function
add_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_' . $pointer ) );
$got_pointers = true;
}
if ( ! $got_pointers ) {
return;
}
// Add pointers script and style to queue
wp_enqueue_style( 'wp-pointer' );
wp_enqueue_script( 'wp-pointer' );
}
/**
* Print the pointer JavaScript data.
*
* @since 3.3.0
*
* @param string $pointer_id The pointer ID.
* @param string $selector The HTML elements, on which the pointer should be attached.
* @param array $args Arguments to be passed to the pointer JS (see wp-pointer.js).
*/
private static function print_js( $pointer_id, $selector, $args ) {
if ( empty( $pointer_id ) || empty( $selector ) || empty( $args ) || empty( $args['content'] ) ) {
return;
}
?>
<script type="text/javascript">
(function($){
var options = <?php echo wp_json_encode( $args ); ?>, setup;
if ( ! options )
return;
options = $.extend( options, {
close: function() {
$.post( ajaxurl, {
pointer: '<?php echo $pointer_id; ?>',
action: 'dismiss-wp-pointer'
});
}
});
setup = function() {
$('<?php echo $selector; ?>').first().pointer( options ).pointer('open');
};
if ( options.position && options.position.defer_loading )
$(window).bind( 'load.wp-pointers', setup );
else
$(document).ready( setup );
})( jQuery );
</script>
<?php
}
public static function pointer_wp330_toolbar() {}
public static function pointer_wp330_media_uploader() {}
public static function pointer_wp330_saving_widgets() {}
public static function pointer_wp340_customize_current_theme_link() {}
public static function pointer_wp340_choose_image_from_library() {}
public static function pointer_wp350_media() {}
public static function pointer_wp360_revisions() {}
public static function pointer_wp360_locks() {}
public static function pointer_wp390_widgets() {}
public static function pointer_wp410_dfw() {}
public static function pointer_wp496_privacy() {}
/**
* Prevents new users from seeing existing 'new feature' pointers.
*
* @since 3.3.0
*
* @param int $user_id User ID.
*/
public static function dismiss_pointers_for_new_users( $user_id ) {
add_user_meta( $user_id, 'dismissed_wp_pointers', '' );
}
}
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