1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Plugin Name: Auto Load Next Post |
4
|
|
|
* Plugin URI: https://autoloadnextpost.com |
5
|
|
|
* Description: Increase your pageviews on your site as readers continue reading your posts scrolling down the page. |
6
|
|
|
* Author: Sébastien Dumont |
7
|
|
|
* Author URI: https://sebastiendumont.com |
8
|
|
|
* Version: 1.5.7 |
9
|
|
|
* Text Domain: auto-load-next-post |
10
|
|
|
* Domain Path: /languages/ |
11
|
|
|
* |
12
|
|
|
* Copyright: © 2019 Sébastien Dumont, ([email protected]) |
13
|
|
|
* |
14
|
|
|
* License: GNU General Public License v3.0 |
15
|
|
|
* License URI: http://www.gnu.org/licenses/gpl-3.0.html |
16
|
|
|
* |
17
|
|
|
* @package Auto Load Next Post |
18
|
|
|
* @author Sébastien Dumont |
19
|
|
|
* @copyright Copyright © 2019, Sébastien Dumont |
20
|
|
|
* @license GNU General Public License v3.0 http://www.gnu.org/licenses/gpl-3.0.html |
21
|
|
|
*/ |
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* Main Auto Load Next Post Class |
25
|
|
|
* |
26
|
|
|
* The main instance of the plugin. |
27
|
|
|
*/ |
28
|
|
|
if ( ! class_exists( 'Auto_Load_Next_Post' ) ) { |
29
|
|
|
|
30
|
|
|
class Auto_Load_Next_Post { |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* @var Auto_Load_Next_Post - The single instance of the class |
34
|
|
|
* |
35
|
|
|
* @access protected |
36
|
|
|
* @static |
37
|
|
|
* @since 1.0.0 |
38
|
|
|
*/ |
39
|
|
|
protected static $_instance = null; |
40
|
|
|
|
41
|
|
|
/** |
42
|
|
|
* Plugin Version |
43
|
|
|
* |
44
|
|
|
* @access public |
45
|
|
|
* @static |
46
|
|
|
* @since 1.5.0 |
47
|
|
|
*/ |
48
|
|
|
public static $version = '1.5.7'; |
49
|
|
|
|
50
|
|
|
/** |
51
|
|
|
* Main Auto Load Next Post Instance |
52
|
|
|
* |
53
|
|
|
* Ensures only one instance of Auto Load Next Post is loaded or can be loaded. |
54
|
|
|
* |
55
|
|
|
* @access public |
56
|
|
|
* @since 1.0.0 |
57
|
|
|
* @static |
58
|
|
|
* @see Auto_Load_Next_Post() |
59
|
|
|
* @return Auto_Load_Next_Post Single instance. |
60
|
|
|
*/ |
61
|
|
|
public static function instance() { |
62
|
|
|
if ( is_null( self::$_instance ) ) { |
63
|
|
|
self::$_instance = new self(); |
64
|
|
|
} |
65
|
|
|
return self::$_instance; |
66
|
|
|
} // END instance() |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Cloning is forbidden. |
70
|
|
|
* |
71
|
|
|
* @access public |
72
|
|
|
* @since 1.0.0 |
73
|
|
|
* @return void |
74
|
|
|
*/ |
75
|
|
|
public function __clone() { |
76
|
|
|
// Cloning instances of the class is forbidden |
77
|
|
|
_doing_it_wrong( __FUNCTION__, __( 'Cloning this object is forbidden.', 'auto-load-next-post' ), self::$version ); |
78
|
|
|
} // END __clone() |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* Unserializing instances of this class is forbidden. |
82
|
|
|
* |
83
|
|
|
* @access public |
84
|
|
|
* @since 1.0.0 |
85
|
|
|
* @return void |
86
|
|
|
*/ |
87
|
|
|
public function __wakeup() { |
88
|
|
|
_doing_it_wrong( __FUNCTION__, __( 'Unserializing instances of this class is forbidden.', 'auto-load-next-post' ), self::$version ); |
89
|
|
|
} // END __wakeup() |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* Auto_Load_Next_Post Constructor |
93
|
|
|
* |
94
|
|
|
* @access public |
95
|
|
|
* @since 1.0.0 |
96
|
|
|
* @version 1.5.0 |
97
|
|
|
* @return Auto_Load_Next_Post |
|
|
|
|
98
|
|
|
*/ |
99
|
|
|
public function __construct() { |
100
|
|
|
$this->setup_constants(); |
101
|
|
|
$this->includes(); |
102
|
|
|
$this->init_hooks(); |
103
|
|
|
|
104
|
|
|
/** |
105
|
|
|
* Auto Load Next Post is fully loaded. |
106
|
|
|
*/ |
107
|
|
|
do_action( 'auto_load_next_post_loaded' ); |
108
|
|
|
} // END __construct() |
109
|
|
|
|
110
|
|
|
/** |
111
|
|
|
* Hooks into action hooks. |
112
|
|
|
* |
113
|
|
|
* @access public |
114
|
|
|
* @since 1.5.0 |
115
|
|
|
*/ |
116
|
|
|
public function init_hooks() { |
117
|
|
|
// Load translation files. |
118
|
|
|
add_action( 'init', array( $this, 'load_plugin_textdomain' ) ); |
119
|
|
|
|
120
|
|
|
// Load Auto Load Next Post scripts on the frontend. |
121
|
|
|
add_action( 'wp_enqueue_scripts', array( $this, 'alnp_enqueue_scripts' ) ); |
122
|
|
|
} // END init_hooks() |
123
|
|
|
|
124
|
|
|
/** |
125
|
|
|
* Setup Constants |
126
|
|
|
* |
127
|
|
|
* @since 1.4.3 |
128
|
|
|
* @version 1.5.5 |
129
|
|
|
* @access private |
130
|
|
|
*/ |
131
|
|
|
private function setup_constants() { |
132
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_VERSION', self::$version); |
133
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_FILE', __FILE__); |
134
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_SLUG', 'auto-load-next-post'); |
135
|
|
|
|
136
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_URL_PATH', untrailingslashit( plugins_url( '/', __FILE__ ) ) ); |
137
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_FILE_PATH', untrailingslashit( plugin_dir_path( __FILE__ ) ) ); |
138
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_TEMPLATE_PATH', 'auto-load-next-post/'); |
139
|
|
|
|
140
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_WP_VERSION_REQUIRE', '4.4'); |
141
|
|
|
|
142
|
|
|
$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min'; |
143
|
|
|
$debug_suffix = defined('ALNP_DEV_DEBUG') && ALNP_DEV_DEBUG ? '.dev' : ''; |
144
|
|
|
|
145
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_SCRIPT_MODE', $suffix); |
146
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_DEBUG_MODE', $debug_suffix); |
147
|
|
|
|
148
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_STORE_URL', 'https://autoloadnextpost.com/'); |
149
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_SUPPORT_URL', 'https://wordpress.org/support/plugin/auto-load-next-post'); |
150
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_REVIEW_URL', 'https://wordpress.org/plugins/auto-load-next-post/#reviews'); |
151
|
|
|
} // END setup_constants() |
152
|
|
|
|
153
|
|
|
/** |
154
|
|
|
* Define constant if not already set. |
155
|
|
|
* |
156
|
|
|
* @param string $name |
157
|
|
|
* @param string|bool $value |
158
|
|
|
* @access private |
159
|
|
|
* @since 1.4.3 |
160
|
|
|
*/ |
161
|
|
|
private function define( $name, $value ) { |
162
|
|
|
if ( ! defined( $name ) ) { |
163
|
|
|
define( $name, $value ); |
164
|
|
|
} |
165
|
|
|
} // END define() |
166
|
|
|
|
167
|
|
|
/** |
168
|
|
|
* Include required core files used in admin and on the frontend. |
169
|
|
|
* |
170
|
|
|
* @access public |
171
|
|
|
* @since 1.0.0 |
172
|
|
|
* @version 1.5.5 |
173
|
|
|
* @return void |
174
|
|
|
*/ |
175
|
|
|
public function includes() { |
176
|
|
|
include_once( dirname( __FILE__ ) . '/includes/class-alnp-autoloader.php' ); // Autoloader. |
177
|
|
|
include_once( dirname( __FILE__ ) . '/includes/auto-load-next-post-conditional-functions.php' ); // Conditional functions. |
178
|
|
|
include_once( dirname( __FILE__ ) . '/includes/auto-load-next-post-formatting-functions.php' ); // Formatting functions. |
179
|
|
|
include_once( dirname( __FILE__ ) . '/includes/auto-load-next-post-themes-supported.php' ); // Handles all supported themes out of the box. |
180
|
|
|
include_once( dirname( __FILE__ ) . '/includes/auto-load-next-post-core-functions.php' ); // Contains core functions for the front/back end. |
181
|
|
|
|
182
|
|
|
// Include theme support. |
183
|
|
|
alnp_include_theme_support(); |
184
|
|
|
|
185
|
|
|
// Customizer. |
186
|
|
|
include_once( dirname( __FILE__ ) . '/includes/customizer/class-alnp-customizer.php' ); |
187
|
|
|
include_once( dirname( __FILE__ ) . '/includes/customizer/class-alnp-customizer-scripts.php' ); |
188
|
|
|
|
189
|
|
|
// Include admin class to handle all back-end functions. |
190
|
|
|
if ( is_admin() ) { |
191
|
|
|
include_once( dirname( __FILE__ ) . '/includes/admin/class-alnp-admin.php' ); // Admin section. |
192
|
|
|
} |
193
|
|
|
|
194
|
|
|
// Install. |
195
|
|
|
require_once( dirname( __FILE__ ) . '/includes/class-alnp-install.php' ); |
196
|
|
|
} // END includes() |
197
|
|
|
|
198
|
|
|
/** |
199
|
|
|
* Make the plugin translation ready. |
200
|
|
|
* |
201
|
|
|
* Translations should be added in the WordPress language directory: |
202
|
|
|
* - WP_LANG_DIR/plugins/auto-load-next-post-LOCALE.mo |
203
|
|
|
* |
204
|
|
|
* @access public |
205
|
|
|
* @since 1.0.0 |
206
|
|
|
* @version 1.4.10 |
207
|
|
|
* @return void |
208
|
|
|
*/ |
209
|
|
|
public function load_plugin_textdomain() { |
210
|
|
|
load_plugin_textdomain( 'auto-load-next-post', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' ); |
211
|
|
|
} // END load_plugin_textdomain() |
212
|
|
|
|
213
|
|
|
/** |
214
|
|
|
* Registers and enqueues stylesheets and javascripts for the front of the site. |
215
|
|
|
* |
216
|
|
|
* @access public |
217
|
|
|
* @since 1.3.2 |
218
|
|
|
* @version 1.5.7 |
219
|
|
|
*/ |
220
|
|
|
public function alnp_enqueue_scripts() { |
221
|
|
|
// Load the Javascript if found as a singluar post and the user is not a bot. |
222
|
|
|
if ( !alnp_is_bot() && is_singular() && get_post_type() == 'post' ) { |
223
|
|
|
// This checks to see if the JavaScript should load in the footer or not. |
224
|
|
|
$load_in_footer = alnp_load_js_in_footer(); |
225
|
|
|
|
226
|
|
|
$this->load_file( 'auto-load-next-post-scrollspy', '/assets/js/libs/scrollspy.min.js', true, array('jquery'), AUTO_LOAD_NEXT_POST_VERSION, $load_in_footer ); |
227
|
|
|
|
228
|
|
|
// Only load History.js when not in the customizer. |
229
|
|
|
if ( ! is_customize_preview() ) { |
230
|
|
|
$this->load_file( 'auto-load-next-post-history', '/assets/js/libs/jquery.history.js', true, array('jquery'), AUTO_LOAD_NEXT_POST_VERSION, $load_in_footer ); |
231
|
|
|
} |
232
|
|
|
|
233
|
|
|
$this->load_file( 'auto-load-next-post-script', '/assets/js/frontend/auto-load-next-post' . AUTO_LOAD_NEXT_POST_DEBUG_MODE.AUTO_LOAD_NEXT_POST_SCRIPT_MODE . '.js', true, array('auto-load-next-post-scrollspy'), AUTO_LOAD_NEXT_POST_VERSION, $load_in_footer ); |
234
|
|
|
|
235
|
|
|
// Variables for the JavaScript |
236
|
|
|
wp_localize_script( 'auto-load-next-post-script', 'auto_load_next_post_params', array( |
237
|
|
|
'alnp_version' => AUTO_LOAD_NEXT_POST_VERSION, |
238
|
|
|
'alnp_content_container' => get_option( 'auto_load_next_post_content_container' ), |
239
|
|
|
'alnp_title_selector' => get_option( 'auto_load_next_post_title_selector' ), |
240
|
|
|
'alnp_navigation_container' => get_option( 'auto_load_next_post_navigation_container' ), |
241
|
|
|
'alnp_comments_container' => get_option( 'auto_load_next_post_comments_container' ), |
242
|
|
|
'alnp_remove_comments' => get_option( 'auto_load_next_post_remove_comments' ), |
243
|
|
|
'alnp_google_analytics' => get_option( 'auto_load_next_post_google_analytics' ), |
244
|
|
|
'alnp_event_on_load' => get_option( 'auto_load_next_post_on_load_event' ), |
245
|
|
|
'alnp_event_on_entering' => get_option( 'auto_load_next_post_on_entering_event' ), |
246
|
|
|
'alnp_is_customizer' => $this->is_alnp_using_customizer(), |
247
|
|
|
) ); |
248
|
|
|
} // END if is_singular() && get_post_type() |
249
|
|
|
} // END alnp_enqueue_scripts() |
250
|
|
|
|
251
|
|
|
/** |
252
|
|
|
* Checks if we are using the theme customizer. |
253
|
|
|
* |
254
|
|
|
* @access public |
255
|
|
|
* @since 1.5.0 |
256
|
|
|
* @static |
257
|
|
|
* @return string|boolean |
258
|
|
|
*/ |
259
|
|
|
public static function is_alnp_using_customizer() { |
260
|
|
|
if ( is_customize_preview() ) { |
261
|
|
|
return "yes"; |
262
|
|
|
} |
263
|
|
|
|
264
|
|
|
return false; |
265
|
|
|
} // END is_alnp_using_customizer() |
266
|
|
|
|
267
|
|
|
/** |
268
|
|
|
* Helper function for registering and enqueueing scripts and styles. |
269
|
|
|
* |
270
|
|
|
* @access public |
271
|
|
|
* @since 1.0.0 |
272
|
|
|
* @version 1.5.0 |
273
|
|
|
* @static |
274
|
|
|
* @param string $name The ID to register with WordPress. |
275
|
|
|
* @param string $file_path The path to the actual file. |
276
|
|
|
* @param bool $is_script Optional, argument for if the incoming file_path is a JavaScript source file. |
277
|
|
|
* @param array $support Optional, for requiring other javascripts for the source file you are calling. |
278
|
|
|
* @param string $version Optional, can match the version of the plugin or version of the source file. |
279
|
|
|
* @param bool $footer Optional, can set the JavaScript to load in the footer instead. |
280
|
|
|
* @global string $wp_version |
281
|
|
|
*/ |
282
|
|
|
public static function load_file( $name, $file_path, $is_script = false, $support = array(), $version = '', $footer = false ) { |
283
|
|
|
global $wp_version; |
284
|
|
|
|
285
|
|
|
$url = AUTO_LOAD_NEXT_POST_URL_PATH . $file_path; // URL to the file. |
286
|
|
|
|
287
|
|
|
if ( file_exists( AUTO_LOAD_NEXT_POST_FILE_PATH . $file_path ) ) { |
288
|
|
|
if ( $is_script ) { |
289
|
|
|
if ( !wp_script_is( $name, 'registered' ) ) { |
290
|
|
|
wp_register_script( $name, $url, $support, $version, $footer ); |
291
|
|
|
wp_enqueue_script( $name ); |
292
|
|
|
} |
293
|
|
|
} else { |
294
|
|
|
if ( !wp_style_is( $name, 'registered' ) ) { |
295
|
|
|
wp_register_style( $name, $url ); |
296
|
|
|
wp_enqueue_style( $name ); |
297
|
|
|
} |
298
|
|
|
} // end if |
299
|
|
|
} // end if |
300
|
|
|
|
301
|
|
|
} // END load_file() |
302
|
|
|
|
303
|
|
|
} // END Auto_Load_Next_Post() |
304
|
|
|
|
305
|
|
|
} // END class exists 'Auto_Load_Next_Post' |
306
|
|
|
|
307
|
|
|
return Auto_Load_Next_Post::instance(); |
308
|
|
|
|
Adding a
@return
annotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.