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<?php

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/**

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* Administration API: WP_Internal_Pointers class

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* @package WordPress

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* @subpackage Administration

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* @since 4.4.0

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/**

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* Core class used to implement an internal admin pointers API.

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* @since 3.3.0

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#[AllowDynamicProperties]

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final class WP_Internal_Pointers {

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/**

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* Initializes the new feature pointers.

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* @since 3.3.0

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* All pointers can be disabled using the following:

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* remove_action( 'admin_enqueue_scripts', array( 'WP_Internal_Pointers', 'enqueue_scripts' ) );

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* Individual pointers (e.g. wp390_widgets) can be disabled using the following:

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* function yourprefix_remove_pointers() {

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* remove_action(

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* 'admin_print_footer_scripts',

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* array( 'WP_Internal_Pointers', 'pointer_wp390_widgets' )

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* );

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* }

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* add_action( 'admin_enqueue_scripts', 'yourprefix_remove_pointers', 11 );

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* @param string $hook_suffix The current admin page.

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public static function enqueue_scripts( $hook_suffix ) {

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* Register feature pointers

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* Format:

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* array(

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* hook_suffix => pointer callback

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* )

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* Example:

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* array(

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* 'themes.php' => 'wp390_widgets'

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* )

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$registered_pointers = array(

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// None currently.

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);

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// Check if screen related pointer is registered.

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if ( empty( $registered_pointers[ $hook_suffix ] ) ) {

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return;

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}

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$pointers = (array) $registered_pointers[ $hook_suffix ];

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* Specify required capabilities for feature pointers

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* Format:

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* array(

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* pointer callback => Array of required capabilities

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* )

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* Example:

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* array(

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* 'wp390_widgets' => array( 'edit_theme_options' )

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* )

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$caps_required = array(

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// None currently.

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);

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// Get dismissed pointers.

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$dismissed = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );

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$got_pointers = false;

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foreach ( array_diff( $pointers, $dismissed ) as $pointer ) {

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if ( isset( $caps_required[ $pointer ] ) ) {

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foreach ( $caps_required[ $pointer ] as $cap ) {

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if ( ! current_user_can( $cap ) ) {

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continue 2;

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}

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}

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}

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// Bind pointer print function.

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add_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_' . $pointer ) );

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$got_pointers = true;

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}

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if ( ! $got_pointers ) {

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return;

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}

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// Add pointers script and style to queue.

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wp_enqueue_style( 'wp-pointer' );

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wp_enqueue_script( 'wp-pointer' );

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}

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/**

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* Prints the pointer JavaScript data.

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* @since 3.3.0

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* @param string $pointer_id The pointer ID.

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* @param string $selector The HTML elements, on which the pointer should be attached.

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* @param array $args Arguments to be passed to the pointer JS (see wp-pointer.js).

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private static function print_js( $pointer_id, $selector, $args ) {

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if ( empty( $pointer_id ) || empty( $selector ) || empty( $args ) || empty( $args['content'] ) ) {

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return;

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}

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(function($){

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var options = <?php echo wp_json_encode( $args, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ); ?>, setup;

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if ( ! options )

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return;

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options = $.extend( options, {

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close: function() {

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$.post( ajaxurl, {

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pointer: '<?php echo $pointer_id; ?>',

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action: 'dismiss-wp-pointer'

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});

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}

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});

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setup = function() {

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$('<?php echo $selector; ?>').first().pointer( options ).pointer('open');

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};

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if ( options.position && options.position.defer_loading )

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$(window).bind( 'load.wp-pointers', setup );

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else

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$( function() {

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setup();

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} );

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})( jQuery );

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</script>

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<?php

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}

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public static function pointer_wp330_toolbar() {}

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public static function pointer_wp330_media_uploader() {}

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public static function pointer_wp330_saving_widgets() {}

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public static function pointer_wp340_customize_current_theme_link() {}

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public static function pointer_wp340_choose_image_from_library() {}

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public static function pointer_wp350_media() {}

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public static function pointer_wp360_revisions() {}

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public static function pointer_wp360_locks() {}

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public static function pointer_wp390_widgets() {}

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public static function pointer_wp410_dfw() {}

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public static function pointer_wp496_privacy() {}

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/**

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* Prevents new users from seeing existing 'new feature' pointers.

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* @since 3.3.0

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* @param int $user_id User ID.

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public static function dismiss_pointers_for_new_users( $user_id ) {

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add_user_meta( $user_id, 'dismissed_wp_pointers', '' );

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}

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}

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