jetpack / modules / notes.php

notes.php in Jetpack – WP Security, Backup, Speed, & Growth 4.4.5, at modules/notes.php

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1	<?php
2	/**
3	* Module Name: Notifications
4	* Module Description: Receive instant notifications of site comments and likes.
5	* Sort Order: 13
6	* First Introduced: 1.9
7	* Requires Connection: Yes
8	* Auto Activate: Yes
9	* Module Tags: Other
10	* Feature: General
11	* Additional Search Queries: notification, notifications, toolbar, adminbar, push, comments
12	*/
13
14	if ( !defined( 'JETPACK_NOTES__CACHE_BUSTER' ) ) define( 'JETPACK_NOTES__CACHE_BUSTER', JETPACK__VERSION . '-' . gmdate( 'oW' ) );
15
16	class Jetpack_Notifications {
17	public $jetpack = false;
18
19	/**
20	* Singleton
21	* @static
22	*/
23	public static function init() {
24	static $instance = array();
25
26	if ( !$instance ) {
27	$instance[0] = new Jetpack_Notifications;
28	}
29
30	return $instance[0];
31	}
32
33	function __construct() {
34	$this->jetpack = Jetpack::init();
35
36	add_action( 'init', array( &$this, 'action_init' ) );
37	}
38
39	function wpcom_static_url($file) {
40	$i = hexdec( substr( md5( $file ), -1 ) ) % 2;
41	$url = 'http://s' . $i . '.wp.com' . $file;
42	return set_url_scheme( $url );
43	}
44
45	// return the major version of Internet Explorer the viewer is using or false if it's not IE
46	public static function get_internet_explorer_version() {
47	static $version;
48	if ( isset( $version ) ) {
49	return $version;
50	}
51
52	$user_agent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';
53
54	preg_match( '/MSIE (\d+)/', $user_agent, $matches );
55	$version = empty( $matches[1] ) ? null : $matches[1];
56	if ( empty( $version ) \|\| !$version ) {
57	return false;
58	}
59	return $version;
60	}
61
62	public static function current_browser_is_supported() {
63	static $supported;
64
65	if ( isset( $supported ) ) {
66	return $supported;
67	}
68
69	$ie_version = self::get_internet_explorer_version();
70	if ( false === $ie_version ) {
71	return $supported = true;
72	}
73
74	if ( $ie_version < 8 ) {
75	return $supported = false;
76	}
77
78	return $supported = true;
79	}
80
81	function action_init() {
82	//syncing must wait until after init so
83	//post types that support comments
84	$filt_post_types = array();
85	$all_post_types = get_post_types();
86	foreach ( $all_post_types as $post_type ) {
87	if ( post_type_supports( $post_type, 'comments' ) ) {
88	$filt_post_types[] = $post_type;
89	}
90	}
91
92	if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
93	return;
94
95	if ( !has_filter( 'show_admin_bar', '__return_true' ) && !is_user_logged_in() )
96	return;
97
98	if ( !self::current_browser_is_supported() )
99	return;
100
101	add_action( 'admin_bar_menu', array( &$this, 'admin_bar_menu'), 120 );
102	add_action( 'wp_head', array( &$this, 'styles_and_scripts'), 120 );
103	add_action( 'admin_head', array( &$this, 'styles_and_scripts') );
104	}
105
106	function styles_and_scripts() {
107	if ( !is_rtl() ) {
108	wp_enqueue_style( 'wpcom-notes-admin-bar', $this->wpcom_static_url( '/wp-content/mu-plugins/notes/admin-bar-v2.css' ), array(), JETPACK_NOTES__CACHE_BUSTER );
109	} else {
110	wp_enqueue_style( 'wpcom-notes-admin-bar', $this->wpcom_static_url( '/wp-content/mu-plugins/notes/rtl/admin-bar-v2-rtl.css' ), array(), JETPACK_NOTES__CACHE_BUSTER );
111	}
112	wp_enqueue_style( 'noticons', $this->wpcom_static_url( '/i/noticons/noticons.css' ), array(), JETPACK_NOTES__CACHE_BUSTER );
113
114	$this->print_js();
115
116	// attempt to use core or plugin libraries if registered
117	if ( !wp_script_is( 'mustache', 'registered' ) ) {
118	wp_register_script( 'mustache', $this->wpcom_static_url( '/wp-content/js/mustache.js' ), null, JETPACK_NOTES__CACHE_BUSTER );
119	}
120	if ( !wp_script_is( 'underscore', 'registered' ) ) {
121	wp_register_script( 'underscore', $this->wpcom_static_url( '/wp-includes/js/underscore.min.js' ), null, JETPACK_NOTES__CACHE_BUSTER );
122	}
123	if ( !wp_script_is( 'backbone', 'registered' ) ) {
124	wp_register_script( 'backbone', $this->wpcom_static_url( '/wp-includes/js/backbone.min.js' ), array( 'underscore' ), JETPACK_NOTES__CACHE_BUSTER );
125	}
126
127	wp_register_script( 'wpcom-notes-common', $this->wpcom_static_url( '/wp-content/mu-plugins/notes/notes-common-v2.js' ), array( 'jquery', 'underscore', 'backbone', 'mustache' ), JETPACK_NOTES__CACHE_BUSTER );
128	wp_enqueue_script( 'wpcom-notes-admin-bar', $this->wpcom_static_url( '/wp-content/mu-plugins/notes/admin-bar-v2.js' ), array( 'wpcom-notes-common' ), JETPACK_NOTES__CACHE_BUSTER );
129	}
130
131	function admin_bar_menu() {
132	global $wp_admin_bar, $current_blog;
133
134	if ( !is_object( $wp_admin_bar ) )
135	return;
136
137	$wpcom_locale = get_locale();
138
139	if ( !class_exists( 'GP_Locales' ) ) {
140	if ( defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) && file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
141	require JETPACK__GLOTPRESS_LOCALES_PATH;
142	}
143	}
144
145	if ( class_exists( 'GP_Locales' ) ) {
146	$wpcom_locale_object = GP_Locales::by_field( 'wp_locale', get_locale() );
147	if ( $wpcom_locale_object instanceof GP_Locale ) {
148	$wpcom_locale = $wpcom_locale_object->slug;
149	}
150	}
151
152	$classes = 'wpnt-loading wpn-read';
153	$wp_admin_bar->add_menu( array(
154	'id' => 'notes',
155	'title' => '<span id="wpnt-notes-unread-count" class="' . esc_attr( $classes ) . '">
156	<span class="noticon noticon-notification"></span>
157	</span>',
158	'meta' => array(
159	'html' => '<div id="wpnt-notes-panel2" style="display:none" lang="'. esc_attr( $wpcom_locale ) . '" dir="' . ( is_rtl() ? 'rtl' : 'ltr' ) . '"><div class="wpnt-notes-panel-header"><span class="wpnt-notes-header">' . __( 'Notifications', 'jetpack' ) . '</span><span class="wpnt-notes-panel-link"></span></div></div>',
160	'class' => 'menupop',
161	),
162	'parent' => 'top-secondary',
163	) );
164	}
165
166	function print_js() {
167	$link_accounts_url = is_user_logged_in() && !Jetpack::is_user_connected() ? Jetpack::admin_url() : false;
168	?>
169	<script type="text/javascript">
170	/* <![CDATA[ */
171	var wpNotesIsJetpackClient = true;
172	var wpNotesIsJetpackClientV2 = true;
173	<?php if ( $link_accounts_url ) : ?>
174	var wpNotesLinkAccountsURL = '<?php print $link_accounts_url; ?>';
175	<?php endif; ?>
176	/* ]]> */
177	</script>
178	<?php
179	}
180
181	}
182
183	Jetpack_Notifications::init();
184