s2member / src / includes / classes / css-js-themes.inc.php

css-js-themes.inc.php in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions 260805, at src/includes/classes/css-js-themes.inc.php

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1	<?php
2	// @codingStandardsIgnoreFile
3	/**
4	* CSS/JS integrations with theme.
5	*
6	* Copyright: © 2009-2011
7	* {@link http://websharks-inc.com/ WebSharks, Inc.}
8	* (coded in the USA)
9	*
10	* Released under the terms of the GNU General Public License.
11	* You should have received a copy of the GNU General Public License,
12	* along with this software. In the main directory, see: /licensing/
13	* If not, see: {@link http://www.gnu.org/licenses/}.
14	*
15	* @package s2Member\CSS_JS
16	* @since 3.5
17	*/
18	if(!defined('WPINC')) // MUST have WordPress.
19	exit ('Do not access this file directly.');
20
21	if(!class_exists('c_ws_plugin__s2member_css_js_themes'))
22	{
23	/**
24	* CSS/JS integrations with theme.
25	*
26	* @package s2Member\CSS_JS
27	* @since 3.5
28	*/
29	class c_ws_plugin__s2member_css_js_themes
30	{
31	/**
32	* Lazy load CSS/JS files?
33	*
34	* @package s2Member\CSS_JS
35	* @since 131028
36	*
37	* @return boolean TRUE if we should load; else FALSE.
38	*/
39	public static function lazy_load_css_js()
40	{
41	static $load; // Static cache var.
42
43	if(isset($load)) return $load;
44
45	$null = NULL; // Needed below in earlier versions of WP.
46
47	if(!$GLOBALS['WS_PLUGIN__']['s2member']['o']['lazy_load_css_js'])
48	$load = TRUE;
49
50	else if(c_ws_plugin__s2member_systematics::is_s2_systematic_use_page())
51	$load = TRUE;
52
53	else if(!empty($_GET[apply_filters('ws_plugin__s2member_check_force_ssl_get_var_name', 's2-ssl', array())]))
54	$load = TRUE;
55
56	else if(c_ws_plugin__s2member_utils_conds::bp_is_installed()
57	&& (bp_is_register_page() \|\| bp_is_activation_page() \|\| bp_is_user_profile())
58	) $load = TRUE;
59
60	else if(is_singular() && ($post = get_post($null))
61	&& (stripos($post->post_content, 's2member') !== FALSE \|\| stripos($post->post_content, '[s2') !== FALSE)
62	) $load = TRUE;
63
64	else if(preg_match('/\/wp\-signup\.php\|\/wp\-login\.php\|\/wp\-admin\/(?:user\/)?profile\.php\|[?&]s2member/', $_SERVER['REQUEST_URI']))
65	$load = TRUE;
66
67	if(!isset($load)) $load = FALSE; // Make sure it's set; always.
68
69	return ($load = apply_filters('ws_plugin__s2member_lazy_load_css_js', $load));
70	}
71
72	/**
73	* Enqueues CSS file for theme integration.
74	*
75	* @package s2Member\CSS_JS
76	* @since 3.5
77	*
78	* @attaches-to ``add_action('wp_print_styles');``
79	*
80	* @return null After enqueuing CSS for theme integration.
81	*/
82	public static function add_css()
83	{
84	do_action('ws_plugin__s2member_before_add_css', get_defined_vars());
85
86	if(!is_admin() && c_ws_plugin__s2member_css_js_themes::lazy_load_css_js())
87	{
88	$s2o = $GLOBALS['WS_PLUGIN__']['s2member']['c']['s2o_url'];
89
90	wp_enqueue_style('ws-plugin--s2member', $s2o.'?ws_plugin__s2member_css=1&qcABC=1', array(), c_ws_plugin__s2member_utilities::ver_checksum(), 'all');
91
92	do_action('ws_plugin__s2member_during_add_css', get_defined_vars());
93	}
94	do_action('ws_plugin__s2member_after_add_css', get_defined_vars());
95	}
96
97	/**
98	* Enqueues JS file for theme integration.
99	*
100	* Be sure s2Member's API Constants are already defined before firing this.
101	*
102	* @package s2Member\CSS_JS
103	* @since 3.5
104	*
105	* @attaches-to ``add_action('wp_print_scripts');``
106	*
107	* @return null After enqueuing JS for theme integration.
108	*/
109	public static function add_js_w_globals()
110	{
111	global $pagenow; // Need this for comparisons.
112
113	do_action('ws_plugin__s2member_before_add_js_w_globals', get_defined_vars());
114
115	if((!is_admin() && c_ws_plugin__s2member_css_js_themes::lazy_load_css_js()) \|\| (is_user_admin() && $pagenow === 'profile.php' && !current_user_can('edit_users')))
116	{
117	$s2o = $GLOBALS['WS_PLUGIN__']['s2member']['c']['s2o_url'];
118
119	if(is_user_logged_in()) // Separate version for logged-in Users/Members.
120	{
121	$md5 = WS_PLUGIN__S2MEMBER_API_CONSTANTS_MD5; // An MD5 hash based on global key => values.
122	// The MD5 hash allows the script to be cached in the browser until the globals happen to change.
123	// For instance, the global variables may change when a User who is logged-in changes their Profile.
124	wp_enqueue_script('ws-plugin--s2member', $s2o.'?ws_plugin__s2member_js_w_globals='.urlencode($md5).'&qcABC=1', array('jquery'), c_ws_plugin__s2member_utilities::ver_checksum(), TRUE);
125	}
126	else // Else if they are not logged in, we distinguish the JavaScript file by NOT including $md5.
127	{ // This essentially creates 2 versions of the script. One while logged in & another when not.
128	wp_enqueue_script('ws-plugin--s2member', $s2o.'?ws_plugin__s2member_js_w_globals=1&qcABC=1', array('jquery'), c_ws_plugin__s2member_utilities::ver_checksum(), TRUE);
129	}
130	do_action('ws_plugin__s2member_during_add_js_w_globals', get_defined_vars());
131	}
132	do_action('ws_plugin__s2member_after_add_js_w_globals', get_defined_vars());
133	}
134
135	/**
136	* Disallow async loading.
137	*
138	* @package s2Member\CSS_JS
139	* @since 170221 Enhancing CloudFlare compat.
140	*
141	* @attaches-to ``add_filter('script_loader_tag');``
142	*
143	* @param string $tag The script tag.
144	* @param string $handle The script handle.
145	*
146	* @return string Possibly altered script tag.
147	*/
148	public static function script_loader_tag($tag = '', $handle = '')
149	{
150	if ($handle === 'ws-plugin--s2member') {
151	$tag = str_replace(' src=', ' data-cfasync="false" src=', $tag);
152	}
153	return $tag; // Prevent RocketLoader from loading async.
154	// See: <https://support.cloudflare.com/hc/en-us/articles/200169436-How-can-I-have-Rocket-Loader-ignore-my-script-s-in-Automatic-Mode->
155	}
156	}
157	}
158