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<?php |
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declare(strict_types=1); |
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|
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namespace Imagify\Webp; |
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|
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use Imagify\EventManagement\SubscriberInterface; |
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use Imagify\Notices\Notices; |
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use Imagify\Traits\InstanceGetterTrait; |
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use Imagify\WriteFile\WriteFileInterface; |
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|
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/** |
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* Display WebP images on the site using picture tag. |
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* |
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* @since 1.9 |
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*/ |
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class Display implements SubscriberInterface { |
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use InstanceGetterTrait; |
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|
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/** |
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* Server conf object. |
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* |
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* @var WriteFileInterface|null |
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* @since 1.9 |
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*/ |
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protected $server_conf = null; |
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|
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/** |
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* Returns an array of events this subscriber listens to |
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* |
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* @return array |
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*/ |
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public static function get_subscribed_events() { |
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return [ |
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'imagify_settings_on_save' => [ 'maybe_add_rewrite_rules', 13 ], |
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'imagify_settings_webp_info' => 'maybe_add_webp_info', |
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'imagify_activation' => 'activate', |
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'imagify_deactivation' => 'deactivate', |
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]; |
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} |
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|
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/** |
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* If display WebP images, add the WebP type to the .htaccess/etc file. |
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* |
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* @since 1.9 |
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* |
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* @param array $values The option values. |
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* |
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* @return array |
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*/ |
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public function maybe_add_rewrite_rules( $values ) { |
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if ( ! $this->get_server_conf() ) { |
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return $values; |
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} |
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|
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$enabled = isset( $values['display_nextgen'] ) ? true : false; |
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$result = false; |
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|
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if ( $enabled ) { |
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// Add the WebP file type. |
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$result = $this->get_server_conf()->add(); |
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} elseif ( ! $enabled ) { |
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// Remove the WebP file type. |
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$result = $this->get_server_conf()->remove(); |
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} |
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|
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if ( ! is_wp_error( $result ) ) { |
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return $values; |
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} |
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|
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// Display an error message. |
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if ( is_multisite() && strpos( wp_get_referer(), network_admin_url( '/' ) ) === 0 ) { |
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Notices::get_instance()->add_network_temporary_notice( $result->get_error_message() ); |
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|
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return $values; |
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} |
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|
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Notices::get_instance()->add_site_temporary_notice( $result->get_error_message() ); |
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|
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return $values; |
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} |
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|
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/** |
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* If the conf file is not writable, add a warning. |
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* |
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* @since 1.9 |
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*/ |
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public function maybe_add_webp_info() { |
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$conf = $this->get_server_conf(); |
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|
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if ( ! $conf ) { |
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return; |
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} |
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|
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$writable = $conf->is_file_writable(); |
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|
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if ( ! is_wp_error( $writable ) ) { |
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return; |
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} |
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|
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$rules = $conf->get_new_contents(); |
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|
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if ( ! $rules ) { |
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// Uh? |
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return; |
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} |
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|
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echo '<br/>'; |
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|
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printf( |
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/* translators: %s is a file name. */ |
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esc_html__( 'Imagify does not seem to be able to edit or create a %s file, you will have to add the following lines manually to it:', 'imagify' ), |
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'<code>' . $this->get_file_path( true ) . '</code>' |
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); |
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|
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echo '<pre class="code">' . esc_html( $rules ) . '</pre>'; |
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} |
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|
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/** |
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* Add rules on plugin activation. |
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* |
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* @since 1.9 |
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*/ |
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public function activate() { |
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$conf = $this->get_server_conf(); |
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|
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if ( ! $conf ) { |
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return; |
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} |
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|
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if ( ! get_imagify_option( 'display_nextgen' ) ) { |
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return; |
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} |
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|
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if ( is_wp_error( $conf->is_file_writable() ) ) { |
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return; |
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} |
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|
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$conf->add(); |
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} |
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|
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/** |
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* Remove rules on plugin deactivation. |
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* |
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* @since 1.9 |
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*/ |
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public function deactivate() { |
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$conf = $this->get_server_conf(); |
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|
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if ( ! $conf ) { |
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return; |
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} |
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|
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$file_path = $conf->get_file_path(); |
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$filesystem = \Imagify_Filesystem::get_instance(); |
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|
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if ( ! $filesystem->exists( $file_path ) ) { |
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return; |
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} |
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if ( ! $filesystem->is_writable( $file_path ) ) { |
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return; |
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} |
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|
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$conf->remove(); |
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} |
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|
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/** |
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* Get the path to the directory conf file. |
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* |
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* @since 1.9 |
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* |
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* @param bool $relative True to get a path relative to the site’s root. |
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* @return string|bool The file path. False on failure. |
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*/ |
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public function get_file_path( $relative = false ) { |
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if ( ! $this->get_server_conf() ) { |
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return false; |
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} |
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|
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$file_path = $this->get_server_conf()->get_file_path(); |
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|
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if ( $relative ) { |
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return \Imagify_Filesystem::get_instance()->make_path_relative( $file_path ); |
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} |
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|
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return $file_path; |
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} |
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|
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/** |
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* Get the server conf instance. |
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* Note: nothing needed for nginx. |
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* |
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* @since 1.9 |
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* |
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* @return WriteFileInterface |
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*/ |
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protected function get_server_conf() { |
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global $is_apache, $is_iis7; |
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|
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if ( isset( $this->server_conf ) ) { |
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return $this->server_conf; |
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} |
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|
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if ( $is_apache ) { |
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$this->server_conf = new Apache(); |
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} elseif ( $is_iis7 ) { |
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$this->server_conf = new IIS(); |
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} |
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|
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return $this->server_conf; |
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} |
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} |
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|
