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<?php |
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/** |
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* Module Name: Gravatar Hovercards |
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* Module Description: Enable pop-up business cards over commenters’ Gravatars. |
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* Sort Order: 11 |
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* Recommendation Order: 13 |
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* First Introduced: 1.1 |
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* Requires Connection: No |
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* Auto Activate: No |
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* Module Tags: Social, Appearance |
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* Feature: Appearance |
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* Additional Search Queries: gravatar, hovercards |
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*/ |
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|
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define( 'GROFILES__CACHE_BUSTER', gmdate( 'YW' ) ); |
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|
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function grofiles_hovercards_init() { |
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add_filter( 'get_avatar', 'grofiles_get_avatar', 10, 2 ); |
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add_action( 'wp_enqueue_scripts', 'grofiles_attach_cards' ); |
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add_action( 'wp_footer', 'grofiles_extra_data' ); |
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add_action( 'admin_init', 'grofiles_add_settings' ); |
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|
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add_action( 'load-index.php', 'grofiles_admin_cards' ); |
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add_action( 'load-users.php', 'grofiles_admin_cards' ); |
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add_action( 'load-edit-comments.php', 'grofiles_admin_cards' ); |
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add_action( 'load-options-discussion.php', 'grofiles_admin_cards_forced' ); |
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|
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add_filter( 'jetpack_module_configuration_url_gravatar-hovercards', 'gravatar_hovercards_configuration_url' ); |
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|
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add_filter( 'get_comment_author_url', 'grofiles_amp_comment_author_url', 10, 2 ); |
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} |
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|
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function gravatar_hovercards_configuration_url() { |
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return admin_url( 'options-discussion.php#show_avatars' ); |
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} |
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|
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add_action( 'jetpack_modules_loaded', 'grofiles_hovercards_init' ); |
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|
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/* Hovercard Settings */ |
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|
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/** |
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* Adds Gravatar Hovercard setting |
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* |
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* @todo - always print HTML, hide via CSS/JS if !show_avatars |
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*/ |
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function grofiles_add_settings() { |
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if ( !get_option( 'show_avatars' ) ) |
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return; |
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|
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add_settings_field( 'gravatar_disable_hovercards', __( 'Gravatar Hovercards', 'jetpack' ), 'grofiles_setting_callback', 'discussion', 'avatars' ); |
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register_setting( 'discussion', 'gravatar_disable_hovercards', 'grofiles_hovercard_option_sanitize' ); |
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} |
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|
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/** |
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* HTML for Gravatar Hovercard setting |
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*/ |
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function grofiles_setting_callback() { |
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global $current_user; |
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|
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$checked = 'disabled' == get_option( 'gravatar_disable_hovercards' ) ? '' : 'checked="checked" '; |
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|
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echo "<label id='gravatar-hovercard-options'><input {$checked}name='gravatar_disable_hovercards' id='gravatar_disable_hovercards' type='checkbox' value='enabled' class='code' /> " . __( "View people's profiles when you mouse over their Gravatars", 'jetpack' ) . "</label>"; |
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?> |
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<style type="text/css"> |
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#grav-profile-example img { |
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float: left; |
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} |
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#grav-profile-example span { |
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padding: 0 1em; |
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} |
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</style> |
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<script type="text/javascript"> |
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// <![CDATA[ |
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jQuery( function($) { |
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var tr = $( '#gravatar_disable_hovercards' ).change( function() { |
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if ( $( this ).is( ':checked' ) ) { |
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$( '#grav-profile-example' ).slideDown( 'fast' ); |
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} else { |
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$( '#grav-profile-example' ).slideUp( 'fast' ); |
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} |
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} ).parents( 'tr' ); |
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var ftr = tr.parents( 'table' ).find( 'tr:first' ); |
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if ( ftr.length && !ftr.find( '#gravatar_disable_hovercards' ).length ) { |
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ftr.after( tr ); |
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} |
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} ); |
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// ]]> |
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</script> |
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<p id="grav-profile-example" class="hide-if-no-js"<?php if ( !$checked ) echo ' style="display:none"'; ?>><?php echo get_avatar( $current_user->ID, 64 ); ?> <span><?php _e( 'Put your mouse over your Gravatar to check out your profile.', 'jetpack' ); ?> <br class="clear" /></span></p> |
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<?php |
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} |
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|
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/** |
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* Sanitation filter for Gravatar Hovercard setting |
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*/ |
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function grofiles_hovercard_option_sanitize( $val ) { |
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if ( 'disabled' == $val ) { |
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return $val; |
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} |
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|
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return $val ? 'enabled' : 'disabled'; |
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} |
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|
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|
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/* Hovercard Display */ |
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|
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/** |
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* Stores the gravatars' users that need extra profile data attached. |
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* |
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* Getter/Setter |
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* |
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* @param int|string|null $author Setter: User ID or email address. Getter: null. |
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* |
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* @return mixed Setter: void. Getter: array of user IDs and email addresses. |
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*/ |
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function grofiles_gravatars_to_append( $author = null ) { |
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static $authors = array(); |
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|
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// Get |
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if ( is_null( $author ) ) { |
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return array_keys( $authors ); |
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} |
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|
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// Set |
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|
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if ( is_numeric( $author ) ) { |
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$author = (int) $author; |
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} |
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|
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$authors[$author] = true; |
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} |
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|
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/** |
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* In AMP, override the comment URL to allow for interactivity without |
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* navigating to a new page |
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* |
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* @param string $url The comment author's URL. |
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* @param int $id The comment ID. |
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* |
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* @return string The adjusted URL |
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*/ |
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function grofiles_amp_comment_author_url( $url, $id ) { |
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if ( 'comment' === get_comment_type( $id ) && class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { |
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// @todo Disabling the comment author link in this way is not ideal since clicking the link does not cause the lightbox to open in the same way as clicking the gravatar. Likely get_comment_author_url_link should be used instead so that the href attribute can be replaced with an `on` attribute that activates the gallery. |
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return '#!'; |
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} |
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|
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return $url; |
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} |
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|
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/** |
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* Stores the user ID or email address for each gravatar generated. |
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* |
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* Attached to the 'get_avatar' filter. |
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* |
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* @param string $avatar The <img/> element of the avatar. |
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* @param mixed $author User ID, email address, user login, comment object, user object, post object |
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* |
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* @return string The <img/> element of the avatar. |
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*/ |
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function grofiles_get_avatar( $avatar, $author ) { |
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$is_amp = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request(); |
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|
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if ( is_numeric( $author ) ) { |
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grofiles_gravatars_to_append( $author ); |
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} else if ( is_string( $author ) ) { |
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if ( false !== strpos( $author, '@' ) ) { |
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grofiles_gravatars_to_append( $author ); |
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} else { |
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if ( $user = get_user_by( 'slug', $author ) ) |
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grofiles_gravatars_to_append( $user->ID ); |
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} |
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} else if ( isset( $author->comment_type ) ) { |
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if ( $is_amp ) { |
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if ( 1 === preg_match( '/avatar\/([a-zA-Z0-9]+)\?/', $avatar, $email_hash ) ) { |
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$email_hash = $email_hash[1]; |
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$cache_group = 'gravatar_profiles_'; |
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$cache_key = 'gravatar_profile_' . $email_hash; |
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|
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$response_body = wp_cache_get( $cache_key, $cache_group ); |
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if ( false === $response_body ) { |
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$response = wp_remote_get( esc_url_raw( 'https://en.gravatar.com/' . $email_hash . '.json' ) ); |
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|
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if ( is_array( $response ) && ! is_wp_error( $response ) ) { |
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$response_body = json_decode( $response['body'] ); |
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wp_cache_set( $cache_key, $response_body, $cache_group, 60 * MINUTE_IN_SECONDS ); |
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} |
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} |
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|
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$profile = $response_body->entry[0]; |
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$display_name = $profile->displayName; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
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$location = isset( $profile->currentLocation ) ? $profile->currentLocation : ''; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
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$description = isset( $profile->aboutMe ) ? $profile->aboutMe : ''; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
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|
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$avatar = ' |
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<figure data-amp-lightbox="true"> |
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' . $avatar . ' |
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<figcaption> |
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' . esc_html( $display_name ) . ( ! empty( $location ) ? ' – ' . esc_html( $location ) : '' ) . ( ! empty( $description ) ? ' – ' . esc_html( $description ) : '' ) . ' |
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</figcaption> |
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</figure> |
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'; |
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} |
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|
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return $avatar; |
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} |
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|
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if ( '' != $author->comment_type && 'comment' != $author->comment_type ) |
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return $avatar; |
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if ( $author->user_id ) |
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grofiles_gravatars_to_append( $author->user_id ); |
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else |
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grofiles_gravatars_to_append( $author->comment_author_email ); |
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} else if ( isset( $author->user_login ) ) { |
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grofiles_gravatars_to_append( $author->ID ); |
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} else if ( isset( $author->post_author ) ) { |
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grofiles_gravatars_to_append( $author->post_author ); |
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} |
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|
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return $avatar; |
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} |
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|
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/** |
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* Loads Gravatar Hovercard script. |
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* |
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* @todo is_singular() only? |
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*/ |
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function grofiles_attach_cards() { |
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global $blog_id; |
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|
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// Is the display of Avatars disabled? |
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if ( ! get_option( 'show_avatars' ) ) { |
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return; |
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} |
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|
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// Is the display of Gravatar Hovercards disabled? |
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if ( 'disabled' == Jetpack_Options::get_option_and_ensure_autoload( 'gravatar_disable_hovercards', '0' ) ) { |
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return; |
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} |
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|
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if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { |
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wp_enqueue_style( 'gravatar-hovercard-style', plugins_url( '/gravatar/gravatar-hovercards-amp.css', __FILE__ ), array(), JETPACK__VERSION ); |
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} else { |
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wp_enqueue_script( 'grofiles-cards', 'https://secure.gravatar.com/js/gprofiles.js', array(), GROFILES__CACHE_BUSTER, true ); |
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wp_enqueue_script( 'wpgroho', plugins_url( 'wpgroho.js', __FILE__ ), array( 'grofiles-cards' ), JETPACK__VERSION, true ); |
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if ( is_user_logged_in() ) { |
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$cu = wp_get_current_user(); |
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$my_hash = md5( $cu->user_email ); |
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} elseif ( ! empty( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) { |
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$my_hash = md5( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ); |
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} else { |
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$my_hash = ''; |
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} |
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wp_localize_script( 'wpgroho', 'WPGroHo', compact( 'my_hash' ) ); |
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} |
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} |
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|
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function grofiles_attach_cards_forced() { |
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add_filter( 'pre_option_gravatar_disable_hovercards', 'grofiles_force_gravatar_enable_hovercards' ); |
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grofiles_attach_cards(); |
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} |
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|
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function grofiles_force_gravatar_enable_hovercards() { |
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return 'enabled'; |
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} |
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|
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function grofiles_admin_cards_forced() { |
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add_action( 'admin_footer', 'grofiles_attach_cards_forced' ); |
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} |
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|
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function grofiles_admin_cards() { |
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add_action( 'admin_footer', 'grofiles_attach_cards' ); |
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} |
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|
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function grofiles_extra_data() { |
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$authors = grofiles_gravatars_to_append(); |
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|
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if ( ! $authors ) { |
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wp_dequeue_script( 'grofiles-cards' ); |
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wp_dequeue_script( 'wpgroho' ); |
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} else { |
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?> |
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<div style="display:none"> |
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<?php |
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foreach ( $authors as $author ) { |
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grofiles_hovercards_data_html( $author ); |
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} |
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?> |
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</div> |
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<?php |
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} |
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} |
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|
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/** |
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* Echoes the data from grofiles_hovercards_data() as HTML elements. |
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* |
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* @since 5.5.0 Add support for a passed WP_User object |
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* |
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* @param int|string|WP_User $author User ID, email address, or a WP_User object |
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*/ |
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function grofiles_hovercards_data_html( $author ) { |
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$data = grofiles_hovercards_data( $author ); |
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$hash = ''; |
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if ( is_numeric( $author ) ) { |
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$user = get_userdata( $author ); |
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if ( $user ) { |
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$hash = md5( $user->user_email ); |
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} |
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} elseif ( is_email( $author ) ) { |
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$hash = md5( $author ); |
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} elseif ( is_a( $author, 'WP_User' ) ) { |
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$hash = md5( $author->user_email ); |
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} |
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|
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if ( ! $hash ) { |
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return; |
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} |
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?> |
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<div class="grofile-hash-map-<?php echo $hash; ?>"> |
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<?php foreach ( $data as $key => $value ) : ?> |
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<span class="<?php echo esc_attr( $key ); ?>"><?php echo esc_html( $value ); ?></span> |
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<?php endforeach; ?> |
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</div> |
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<?php |
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} |
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|
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|
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/* API */ |
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|
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/** |
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* Returns the PHP callbacks for data sources. |
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* |
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* 'grofiles_hovercards_data_callbacks' filter |
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* |
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* @return array( data_key => data_callback, ... ) |
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*/ |
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function grofiles_hovercards_data_callbacks() { |
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/** |
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* Filter the Gravatar Hovercard PHP callbacks. |
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* |
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* @module gravatar-hovercards |
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* |
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* @since 1.1.0 |
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* |
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* @param array $args Array of data callbacks. |
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*/ |
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return apply_filters( 'grofiles_hovercards_data_callbacks', array() ); |
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} |
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|
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/** |
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* Keyed JSON object containing all profile data provided by registered callbacks |
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* |
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* @param int|strung $author User ID or email address |
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* |
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* @return array( data_key => data, ... ) |
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*/ |
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function grofiles_hovercards_data( $author ) { |
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$r = array(); |
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foreach ( grofiles_hovercards_data_callbacks() as $key => $callback ) { |
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if ( !is_callable( $callback ) ) |
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continue; |
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$data = call_user_func( $callback, $author, $key ); |
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if ( !is_null( $data ) ) |
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$r[$key] = $data; |
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} |
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|
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return $r; |
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} |
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|
