imagify / classes / Avif / Display.php

Display.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF 2.2, 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	$result = false;
51
52	if ( $enabled ) {
53	// Add the AVIF file type.
54	$result = $this->get_server_conf()->add();
55	} elseif ( ! $enabled ) {
56	// Remove the AVIF file type.
57	$result = $this->get_server_conf()->remove();
58	}
59
60	if ( ! is_wp_error( $result ) ) {
61	return $values;
62	}
63
64	// Display an error message.
65	if ( is_multisite() && strpos( wp_get_referer(), network_admin_url( '/' ) ) === 0 ) {
66	Notices::get_instance()->add_network_temporary_notice( $result->get_error_message() );
67
68	return $values;
69	}
70
71	Notices::get_instance()->add_site_temporary_notice( $result->get_error_message() );
72
73	return $values;
74	}
75
76	/**
77	* Add rules on plugin activation.
78	*
79	* @since 1.9
80	*/
81	public function activate() {
82	$conf = $this->get_server_conf();
83
84	if ( ! $conf ) {
85	return;
86	}
87
88	if ( ! get_imagify_option( 'display_nextgen' ) ) {
89	return;
90	}
91
92	if ( is_wp_error( $conf->is_file_writable() ) ) {
93	return;
94	}
95
96	$conf->add();
97	}
98
99	/**
100	* Remove rules on plugin deactivation.
101	*
102	* @since 1.9
103	*/
104	public function deactivate() {
105	$conf = $this->get_server_conf();
106
107	if ( ! $conf ) {
108	return;
109	}
110
111	$file_path = $conf->get_file_path();
112	$filesystem = \Imagify_Filesystem::get_instance();
113
114	if ( ! $filesystem->exists( $file_path ) ) {
115	return;
116	}
117	if ( ! $filesystem->is_writable( $file_path ) ) {
118	return;
119	}
120
121	$conf->remove();
122	}
123
124	/**
125	* Get the path to the directory conf file.
126	*
127	* @since 1.9
128	*
129	* @param bool $relative True to get a path relative to the site’s root.
130	* @return string\|bool The file path. False on failure.
131	*/
132	public function get_file_path( $relative = false ) {
133	if ( ! $this->get_server_conf() ) {
134	return false;
135	}
136
137	$file_path = $this->get_server_conf()->get_file_path();
138
139	if ( $relative ) {
140	return \Imagify_Filesystem::get_instance()->make_path_relative( $file_path );
141	}
142
143	return $file_path;
144	}
145
146	/**
147	* Get the server conf instance.
148	* Note: nothing needed for nginx.
149	*
150	* @since 1.9
151	*
152	* @return WriteFileInterface
153	*/
154	protected function get_server_conf() {
155	global $is_apache, $is_iis7;
156
157	if ( isset( $this->server_conf ) ) {
158	return $this->server_conf;
159	}
160
161	if ( $is_apache ) {
162	$this->server_conf = new Apache();
163	} elseif ( $is_iis7 ) {
164	$this->server_conf = new IIS();
165	}
166
167	return $this->server_conf;
168	}
169	}
170