jetpack / modules / comment-likes.php

comment-likes.php in Jetpack – WP Security, Backup, Speed, & Growth 6.2, 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	$this->blog_id = Jetpack_Options::get_option( 'id' );
41	$this->url = home_url();
42	$this->url_parts = parse_url( $this->url );
43	$this->domain = $this->url_parts['host'];
44
45	add_action( 'init', array( $this, 'frontend_init' ) );
46	add_action( 'admin_init', array( $this, 'admin_init' ) );
47
48	if ( ! Jetpack::is_module_active( 'likes' ) ) {
49	$active = Jetpack::get_active_modules();
50
51	if ( ! in_array( 'sharedaddy', $active ) && ! in_array( 'publicize', $active ) ) {
52	// we don't have a sharing page yet
53	add_action( 'admin_menu', array( $this->settings, 'sharing_menu' ) );
54	}
55
56	if ( in_array( 'publicize', $active ) && ! in_array( 'sharedaddy', $active ) ) {
57	// we have a sharing page but not the global options area
58	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );
59	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );
60	}
61
62	if( ! in_array( 'sharedaddy', $active ) ) {
63	add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );
64	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );
65	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );
66	add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
67	} else {
68	add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
69	add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );
70	}
71
72	add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );
73	add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );
74	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );
75	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );
76	}
77	}
78
79	public function admin_init() {
80	add_filter( 'manage_edit-comments_columns', array( $this, 'add_like_count_column' ) );
81	add_action( 'manage_comments_custom_column', array( $this, 'comment_likes_edit_column' ), 10, 2 );
82	add_action( 'admin_print_styles-edit-comments.php', array( $this, 'enqueue_admin_styles_scripts' ) );
83	}
84
85	public function comment_likes_edit_column( $column_name, $comment_id ) {
86	if ( 'comment_likes' !== $column_name ) {
87	return;
88	}
89
90	$permalink = get_permalink( get_the_ID() );
91	?>
92	<a
93	data-comment-id="<?php echo absint( $comment_id ); ?>"
94	data-blog-id="<?php echo absint( $this->blog_id ); ?>"
95	class="comment-like-count"
96	id="comment-like-count-<?php echo absint( $comment_id ); ?>"
97	href="<?php echo esc_url( $permalink ); ?>#comment-<?php echo absint( $comment_id ); ?>"
98	>
99	<span class="like-count">0</span>
100	</a>
101	<?php
102	}
103
104	function enqueue_admin_styles_scripts() {
105	wp_enqueue_style( 'comment-like-count', plugins_url( 'comment-likes/admin-style.css', __FILE__ ), array(), JETPACK__VERSION );
106	wp_enqueue_script(
107	'comment-like-count',
108	Jetpack::get_file_url_for_environment(
109	'_inc/build/comment-likes/comment-like-count.min.js',
110	'modules/comment-likes/comment-like-count.js'
111	),
112	array( 'jquery' ),
113	JETPACK__VERSION
114	);
115	}
116
117	public function add_like_count_column( $columns ) {
118	$columns['comment_likes'] = '<span class="vers"></span>';
119
120	return $columns;
121	}
122
123	public function frontend_init() {
124	if ( is_admin() ) {
125	return;
126	}
127
128	if ( Jetpack_AMP_Support::is_amp_request() ) {
129	return;
130	}
131
132	add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) );
133	add_filter( 'comment_text', array( $this, 'comment_likes' ), 10, 2 );
134	}
135
136	public function load_styles_register_scripts() {
137	if ( ! wp_style_is( 'open-sans', 'registered' ) ) {
138	wp_register_style( 'open-sans', 'https://fonts.googleapis.com/css?family=Open+Sans', array(), JETPACK__VERSION );
139	}
140	wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array( 'open-sans' ), JETPACK__VERSION );
141	wp_enqueue_script(
142	'postmessage',
143	Jetpack::get_file_url_for_environment( '_inc/build/postmessage.min.js', '_inc/postmessage.js' ),
144	array( 'jquery' ),
145	JETPACK__VERSION,
146	false
147	);
148	wp_enqueue_script(
149	'jetpack_resize',
150	Jetpack::get_file_url_for_environment(
151	'_inc/build/jquery.jetpack-resize.min.js',
152	'_inc/jquery.jetpack-resize.js'
153	),
154	array( 'jquery' ),
155	JETPACK__VERSION,
156	false
157	);
158	wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'likes/queuehandler.js' , __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true );
159	}
160
161	public function comment_likes( $content, $comment = null ) {
162	if ( empty( $comment ) ) {
163	return $content;
164	}
165
166	if ( ! $this->settings->is_likes_visible() ) {
167	return $content;
168	}
169
170	$comment_id = get_comment_ID();
171	if ( empty( $comment_id ) && ! empty( $comment->comment_ID ) ) {
172	$comment_id = $comment->comment_ID;
173	}
174
175	if ( empty( $content ) \|\| empty( $comment_id ) ) {
176	return $content;
177	}
178
179	// In case master iframe hasn't been loaded. This could be the case when Post Likes module is disabled,
180	// or on pages on which we have comments but post likes are disabled.
181	if ( false === has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {
182	add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
183	}
184
185	$uniqid = uniqid();
186
187	$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&comment_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $this->blog_id, $comment_id, $this->domain, $uniqid );
188	$name = sprintf( 'like-comment-frame-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
189	$wrapper = sprintf( 'like-comment-wrapper-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
190
191	$html = '';
192	$html .= "<div class='jetpack-comment-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>";
193	$html .= "<div class='likes-widget-placeholder comment-likes-widget-placeholder comment-likes'><span class='loading'>" . esc_html__( 'Loading...', 'jetpack' ) . "</span></div>";
194	$html .= "<div class='comment-likes-widget jetpack-likes-widget comment-likes'><span class='comment-like-feedback'></span>";
195	$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";
196	$html .= '</div></div>';
197
198	/**
199	* Filters the Comment Likes button content.
200	*
201	* @module comment-likes
202	*
203	* @since 5.1.0
204	*
205	* @param string $html Comment Likes button content.
206	*/
207	$like_button = apply_filters( 'comment_like_button', $html );
208
209	return $content . $like_button;
210	}
211	}
212
213	Jetpack_Comment_Likes::init();
214