imagify / classes / Avif / Display.php

Display.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF 2.2.3.1, at classes/Avif/Display.php

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1	<?php
2	declare(strict_types=1);
3
4	namespace Imagify\Avif;
5
6	use Imagify\EventManagement\SubscriberInterface;
7	use Imagify\Notices\Notices;
8	use Imagify\WriteFile\WriteFileInterface;
9
10	/**
11	* Display AVIF images on the site using picture tag.
12	*/
13	class Display implements SubscriberInterface {
14	/**
15	* Server conf object.
16	*
17	* @var WriteFileInterface\|null
18	* @since 1.9
19	*/
20	protected $server_conf = null;
21
22	/**
23	* Returns an array of events this subscriber listens to
24	*
25	* @return array
26	*/
27	public static function get_subscribed_events() {
28	return [
29	'imagify_settings_on_save' => [ 'maybe_add_rewrite_rules', 12 ],
30	'imagify_activation' => 'activate',
31	'imagify_deactivation' => 'deactivate',
32	];
33	}
34
35	/**
36	* If display Next-Gen images, add the AVIF type to the .htaccess/etc file.
37	*
38	* @since 1.9
39	*
40	* @param array $values The option values.
41	*
42	* @return array
43	*/
44	public function maybe_add_rewrite_rules( $values ) {
45	if ( ! $this->get_server_conf() ) {
46	return $values;
47	}
48
49	$enabled = isset( $values['display_nextgen'] ) ? true : false;
50	$was_enabled = (bool) get_imagify_option( 'display_nextgen' );
51
52	$result = false;
53
54	if ( $enabled && ! $was_enabled ) {
55	// Add the WebP file type.
56	$result = $this->get_server_conf()->add();
57	} elseif ( ! $enabled && $was_enabled ) {
58	// Remove the WebP file type.
59	$result = $this->get_server_conf()->remove();
60	}
61
62	if ( ! is_wp_error( $result ) ) {
63	return $values;
64	}
65
66	// Display an error message.
67	if ( is_multisite() && strpos( wp_get_referer(), network_admin_url( '/' ) ) === 0 ) {
68	Notices::get_instance()->add_network_temporary_notice( $result->get_error_message() );
69
70	return $values;
71	}
72
73	Notices::get_instance()->add_site_temporary_notice( $result->get_error_message() );
74
75	return $values;
76	}
77
78	/**
79	* Add rules on plugin activation.
80	*
81	* @since 1.9
82	*/
83	public function activate() {
84	$conf = $this->get_server_conf();
85
86	if ( ! $conf ) {
87	return;
88	}
89
90	if ( ! get_imagify_option( 'display_nextgen' ) ) {
91	return;
92	}
93
94	if ( is_wp_error( $conf->is_file_writable() ) ) {
95	return;
96	}
97
98	$conf->add();
99	}
100
101	/**
102	* Remove rules on plugin deactivation.
103	*
104	* @since 1.9
105	*/
106	public function deactivate() {
107	$conf = $this->get_server_conf();
108
109	if ( ! $conf ) {
110	return;
111	}
112
113	$file_path = $conf->get_file_path();
114	$filesystem = \Imagify_Filesystem::get_instance();
115
116	if ( ! $filesystem->exists( $file_path ) ) {
117	return;
118	}
119	if ( ! $filesystem->is_writable( $file_path ) ) {
120	return;
121	}
122
123	$conf->remove();
124	}
125
126	/**
127	* Get the path to the directory conf file.
128	*
129	* @since 1.9
130	*
131	* @param bool $relative True to get a path relative to the site’s root.
132	* @return string\|bool The file path. False on failure.
133	*/
134	public function get_file_path( $relative = false ) {
135	if ( ! $this->get_server_conf() ) {
136	return false;
137	}
138
139	$file_path = $this->get_server_conf()->get_file_path();
140
141	if ( $relative ) {
142	return \Imagify_Filesystem::get_instance()->make_path_relative( $file_path );
143	}
144
145	return $file_path;
146	}
147
148	/**
149	* Get the server conf instance.
150	* Note: nothing needed for nginx.
151	*
152	* @since 1.9
153	*
154	* @return WriteFileInterface
155	*/
156	protected function get_server_conf() {
157	global $is_apache, $is_iis7;
158
159	if ( isset( $this->server_conf ) ) {
160	return $this->server_conf;
161	}
162
163	if ( $is_apache ) {
164	$this->server_conf = new Apache();
165	} elseif ( $is_iis7 ) {
166	$this->server_conf = new IIS();
167	}
168
169	return $this->server_conf;
170	}
171	}
172