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<?php
/**
* Module Name: Comment Likes
* Module Description: Increase visitor engagement by adding a Like button to comments.
* Sort Order: 39
* Recommendation Order: 17
* First Introduced: 5.1
* Requires Connection: Yes
* Auto Activate: No
* Module Tags: Social
* Additional Search Queries: like widget, like button, like, likes
*/
use Automattic\Jetpack\Assets;
Jetpack::dns_prefetch(
array(
'//widgets.wp.com',
)
);
require_once dirname( __FILE__ ) . '/likes/jetpack-likes-master-iframe.php';
require_once dirname( __FILE__ ) . '/likes/jetpack-likes-settings.php';
class Jetpack_Comment_Likes {
public static function init() {
static $instance = NULL;
if ( ! $instance ) {
$instance = new Jetpack_Comment_Likes();
}
return $instance;
}
private function __construct() {
$this->settings = new Jetpack_Likes_Settings();
$this->blog_id = Jetpack_Options::get_option( 'id' );
$this->url = home_url();
$this->url_parts = parse_url( $this->url );
$this->domain = $this->url_parts['host'];
add_action( 'template_redirect', array( $this, 'frontend_init' ) );
add_action( 'admin_init', array( $this, 'admin_init' ) );
if ( ! Jetpack::is_module_active( 'likes' ) ) {
$active = Jetpack::get_active_modules();
if ( ! in_array( 'sharedaddy', $active ) && ! in_array( 'publicize', $active ) ) {
// we don't have a sharing page yet
add_action( 'admin_menu', array( $this->settings, 'sharing_menu' ) );
}
if ( in_array( 'publicize', $active ) && ! in_array( 'sharedaddy', $active ) ) {
// we have a sharing page but not the global options area
add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );
add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );
}
if( ! in_array( 'sharedaddy', $active ) ) {
add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );
add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );
add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );
add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
} else {
add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );
}
add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );
add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );
add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );
add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );
}
}
public function admin_init() {
add_filter( 'manage_edit-comments_columns', array( $this, 'add_like_count_column' ) );
add_action( 'manage_comments_custom_column', array( $this, 'comment_likes_edit_column' ), 10, 2 );
add_action( 'admin_print_styles-edit-comments.php', array( $this, 'enqueue_admin_styles_scripts' ) );
}
public function comment_likes_edit_column( $column_name, $comment_id ) {
if ( 'comment_likes' !== $column_name ) {
return;
}
$permalink = get_permalink( get_the_ID() );
?>
<a
data-comment-id="<?php echo absint( $comment_id ); ?>"
data-blog-id="<?php echo absint( $this->blog_id ); ?>"
class="comment-like-count"
id="comment-like-count-<?php echo absint( $comment_id ); ?>"
href="<?php echo esc_url( $permalink ); ?>#comment-<?php echo absint( $comment_id ); ?>"
>
<span class="like-count">0</span>
</a>
<?php
}
function enqueue_admin_styles_scripts() {
wp_enqueue_style( 'comment-like-count', plugins_url( 'comment-likes/admin-style.css', __FILE__ ), array(), JETPACK__VERSION );
wp_enqueue_script(
'comment-like-count',
Assets::get_file_url_for_environment(
'_inc/build/comment-likes/comment-like-count.min.js',
'modules/comment-likes/comment-like-count.js'
),
array( 'jquery' ),
JETPACK__VERSION
);
}
public function add_like_count_column( $columns ) {
$columns['comment_likes'] = '<span class="vers"></span>';
return $columns;
}
public function frontend_init() {
if ( Jetpack_AMP_Support::is_amp_request() ) {
return;
}
add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) );
add_filter( 'comment_text', array( $this, 'comment_likes' ), 10, 2 );
}
public function load_styles_register_scripts() {
if ( ! wp_style_is( 'open-sans', 'registered' ) ) {
wp_register_style( 'open-sans', 'https://fonts.googleapis.com/css?family=Open+Sans', array(), JETPACK__VERSION );
}
wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array( 'open-sans' ), JETPACK__VERSION );
wp_enqueue_script(
'postmessage',
Assets::get_file_url_for_environment( '_inc/build/postmessage.min.js', '_inc/postmessage.js' ),
array( 'jquery' ),
JETPACK__VERSION,
false
);
wp_enqueue_script(
'jetpack_resize',
Assets::get_file_url_for_environment(
'_inc/build/jquery.jetpack-resize.min.js',
'_inc/jquery.jetpack-resize.js'
),
array( 'jquery' ),
JETPACK__VERSION,
false
);
wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'likes/queuehandler.js' , __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true );
}
public function comment_likes( $content, $comment = null ) {
if ( empty( $comment ) ) {
return $content;
}
if ( ! $this->settings->is_likes_visible() ) {
return $content;
}
$comment_id = get_comment_ID();
if ( empty( $comment_id ) && ! empty( $comment->comment_ID ) ) {
$comment_id = $comment->comment_ID;
}
if ( empty( $content ) || empty( $comment_id ) ) {
return $content;
}
// In case master iframe hasn't been loaded. This could be the case when Post Likes module is disabled,
// or on pages on which we have comments but post likes are disabled.
if ( false === has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {
add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
}
$uniqid = uniqid();
$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&comment_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $this->blog_id, $comment_id, $this->domain, $uniqid );
$name = sprintf( 'like-comment-frame-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
$wrapper = sprintf( 'like-comment-wrapper-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
$html = '';
$html .= "<div class='jetpack-comment-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>";
$html .= "<div class='likes-widget-placeholder comment-likes-widget-placeholder comment-likes'><span class='loading'>" . esc_html__( 'Loading...', 'jetpack' ) . "</span></div>";
$html .= "<div class='comment-likes-widget jetpack-likes-widget comment-likes'><span class='comment-like-feedback'></span>";
$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";
$html .= '</div></div>';
/**
* Filters the Comment Likes button content.
*
* @module comment-likes
*
* @since 5.1.0
*
* @param string $html Comment Likes button content.
*/
$like_button = apply_filters( 'comment_like_button', $html );
return $content . $like_button;
}
}
Jetpack_Comment_Likes::init();
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