jetpack / modules / comment-likes.php

comment-likes.php in Jetpack – WP Security, Backup, Speed, & Growth 5.1.4, at modules/comment-likes.php

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1	<?php
2	/**
3	* Module Name: Comment Likes
4	* Module Description: Increase visitor engagement by adding a Like button to comments.
5	* Sort Order: 39
6	* Recommendation Order: 17
7	* First Introduced: 5.1
8	* Requires Connection: Yes
9	* Auto Activate: No
10	* Module Tags: Social
11	* Additional Search Queries: like widget, like button, like, likes
12	*/
13
14	Jetpack::dns_prefetch( array(
15	'//widgets.wp.com',
16	'//s0.wp.com',
17	'//s1.wp.com',
18	'//s2.wp.com',
19	'//0.gravatar.com',
20	'//1.gravatar.com',
21	'//2.gravatar.com',
22	) );
23
24	require_once dirname( __FILE__ ) . '/likes/jetpack-likes-master-iframe.php';
25	require_once dirname( __FILE__ ) . '/likes/jetpack-likes-settings.php';
26
27	class Jetpack_Comment_Likes {
28	public static function init() {
29	static $instance = NULL;
30
31	if ( ! $instance ) {
32	$instance = new Jetpack_Comment_Likes;
33	}
34
35	return $instance;
36	}
37
38	private function __construct() {
39	$this->settings = new Jetpack_Likes_Settings();
40	add_action( 'init', array( $this, 'frontend_init' ) );
41	add_action( 'admin_init', array( $this, 'admin_init' ) );
42
43	if ( ! Jetpack::is_module_active( 'likes' ) ) {
44	$active = Jetpack::get_active_modules();
45
46	if ( ! in_array( 'sharedaddy', $active ) && ! in_array( 'publicize', $active ) ) {
47	// we don't have a sharing page yet
48	add_action( 'admin_menu', array( $this->settings, 'sharing_menu' ) );
49	}
50
51	if ( in_array( 'publicize', $active ) && ! in_array( 'sharedaddy', $active ) ) {
52	// we have a sharing page but not the global options area
53	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );
54	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );
55	}
56
57	if( ! in_array( 'sharedaddy', $active ) ) {
58	add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );
59	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );
60	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );
61	add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
62	} else {
63	add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
64	add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );
65	}
66
67	add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );
68	add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );
69	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );
70	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );
71	}
72	}
73
74	public function admin_init() {
75	add_filter( 'manage_edit-comments_columns', array( $this, 'add_like_count_column' ) );
76	add_action( 'manage_comments_custom_column', array( $this, 'comment_likes_edit_column' ), 10, 2 );
77	add_action( 'admin_print_styles-edit-comments.php', array( $this, 'enqueue_admin_styles_scripts' ) );
78	}
79
80	public function comment_likes_edit_column( $column_name, $comment_id ) {
81	if ( 'comment_likes' !== $column_name ) {
82	return;
83	}
84
85	$blog_id = Jetpack_Options::get_option( 'id' );
86
87	$permalink = get_permalink( get_the_ID() );
88	?>
89	<a title=""
90	data-comment-id="<?php echo (int) $comment_id; ?>"
91	data-blog-id="<?php echo (int) $blog_id; ?>"
92	class="comment-like-count"
93	id="comment-like-count-<?php echo (int) $comment_id; ?>"
94	href="<?php echo esc_url( $permalink ); ?>#comment-<?php echo (int) $comment_id; ?>"
95	>
96	<span class="like-count">0</span>
97	</a>
98	<?php
99	}
100
101	function enqueue_admin_styles_scripts() {
102	wp_enqueue_style( 'comment-like-count', plugins_url( 'comment-likes/admin-style.css', __FILE__ ), array(), JETPACK__VERSION );
103	wp_enqueue_script( 'comment-like-count', plugins_url( 'comment-likes/comment-like-count.js', __FILE__ ), array( 'jquery' ), JETPACK__VERSION );
104	}
105
106	public function add_like_count_column( $columns ) {
107	$columns['comment_likes'] = '<span class="vers"><img title="' . esc_attr__( 'Comment likes', 'jetpack' ) . '" alt="' . esc_attr__( 'Comment likes', 'jetpack' ) . '" src="//s0.wordpress.com/i/like-grey-icon.png" /></span>';
108
109	return $columns;
110	}
111
112	public function frontend_init() {
113	if ( is_admin() ) {
114	return;
115	}
116
117	add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) );
118	add_filter( 'comment_text', array( $this, 'comment_likes' ), 10, 2 );
119	}
120
121	public function load_styles_register_scripts() {
122	wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array(), JETPACK__VERSION );
123	wp_enqueue_script( 'postmessage', plugins_url( '_inc/postmessage.js', dirname(__FILE__) ), array( 'jquery' ), JETPACK__VERSION, false );
124	wp_enqueue_script( 'jetpack_resize', plugins_url( '_inc/jquery.jetpack-resize.js' , dirname(__FILE__) ), array( 'jquery' ), JETPACK__VERSION, false );
125	wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'likes/queuehandler.js' , __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true );
126	}
127
128	public function comment_likes( $content, $comment = null ) {
129	if ( empty( $comment ) ) {
130	return $content;
131	}
132
133	if ( ! $this->settings->is_likes_visible() ) {
134	return $content;
135	}
136
137	$blog_id = Jetpack_Options::get_option( 'id' );
138	$url = home_url();
139	$url_parts = parse_url( $url );
140	$domain = $url_parts['host'];
141
142	$comment_id = get_comment_ID();
143	if ( empty( $comment_id ) && ! empty( $comment->comment_ID ) ) {
144	$comment_id = $comment->comment_ID;
145	}
146
147	if ( empty( $content ) \|\| empty( $comment_id ) ) {
148	return $content;
149	}
150
151	// In case master iframe hasn't been loaded. This could be the case when Post Likes module is disabled,
152	// or on pages on which we have comments but post likes are disabled.
153	if ( ! has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {
154	add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
155	}
156
157	$uniqid = uniqid();
158
159	$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&comment_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $blog_id, $comment_id, $domain, $uniqid );
160	$name = sprintf( 'like-comment-frame-%1$d-%2$d-%3$s', $blog_id, $comment_id, $uniqid );
161	$wrapper = sprintf( 'like-comment-wrapper-%1$d-%2$d-%3$s', $blog_id, $comment_id, $uniqid );
162
163	$html = '';
164	$html .= "<div class='jetpack-comment-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>";
165	$html .= "<div class='likes-widget-placeholder comment-likes-widget-placeholder comment-likes'><span class='loading'>" . esc_html__( 'Loading...', 'jetpack' ) . "</span></div>";
166	$html .= "<div class='comment-likes-widget jetpack-likes-widget comment-likes'><span class='comment-like-feedback'></span>";
167	$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";
168	$html .= '</div></div>';
169
170	/**
171	* Filters the Comment Likes button content.
172	*
173	* @module comment-likes
174	*
175	* @since 5.1.0
176	*
177	* @param string Comment Likes button content.
178	*/
179	$like_button = apply_filters( 'comment_like_button', $html, '' );
180
181	return $content . $like_button;
182	}
183	}
184
185	Jetpack_Comment_Likes::init();
186