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<?php |
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namespace Imagify\ThirdParty\NGG; |
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|
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use Imagify\Traits\InstanceGetterTrait; |
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|
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/** |
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* Class that handles the optimization of thumbnails dynamically generated. |
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* |
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* @since 1.9 |
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* @author Grégory Viguier |
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*/ |
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class DynamicThumbnails { |
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use InstanceGetterTrait; |
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|
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/** |
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* The queue containing the sizes, grouped by image ID. |
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* |
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* @var array |
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* @since 1.9 |
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* @access protected |
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* @author Grégory Viguier |
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*/ |
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protected static $sizes = []; |
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|
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/** |
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* A list of NGG image objects, grouped by image ID. |
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* |
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* @var array |
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* @since 1.9 |
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* @access protected |
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* @author Grégory Viguier |
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*/ |
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protected static $images = []; |
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|
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/** |
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* Add a dynamically generated thumbnail to the background process queue. |
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* |
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* @since 1.9 |
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* @access public |
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* @author Grégory Viguier |
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* |
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* @param object $image A NGG image object. |
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* @param string $size The thumbnail size name. |
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*/ |
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public function push_to_queue( $image, $size ) { |
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static $done = false; |
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|
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if ( empty( $image->pid ) ) { |
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// WUT? |
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return; |
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} |
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|
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if ( empty( static::$sizes[ $image->pid ] ) ) { |
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static::$sizes[ $image->pid ] = []; |
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} |
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|
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static::$sizes[ $image->pid ][] = $size; |
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|
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if ( empty( static::$images[ $image->pid ] ) ) { |
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static::$images[ $image->pid ] = $image; |
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} |
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|
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if ( $done ) { |
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return; |
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} |
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|
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$done = true; |
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|
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add_action( 'shutdown', [ $this, 'optimize' ], 555 ); // Must come before 666 (see Imagify_Abstract_Background_Process->init()). |
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} |
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|
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/** |
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* Launch the optimizations. |
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* |
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* @since 1.9 |
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* @access public |
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* @author Grégory Viguier |
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*/ |
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public function optimize() { |
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if ( empty( static::$sizes ) ) { |
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return; |
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} |
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|
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foreach ( static::$sizes as $image_id => $sizes ) { |
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if ( empty( static::$images[ $image_id ] ) ) { |
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continue; |
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} |
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|
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$sizes = array_filter( $sizes ); |
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|
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if ( empty( $sizes ) ) { |
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continue; |
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} |
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|
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$process = imagify_get_optimization_process( static::$images[ $image_id ], 'ngg' ); |
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|
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if ( ! $process->is_valid() || ! $process->get_media()->is_supported() ) { |
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continue; |
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} |
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|
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$data = $process->get_data(); |
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|
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if ( ! $data->is_optimized() ) { |
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// The main image is not optimized. |
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continue; |
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} |
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|
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$sizes = array_unique( $sizes ); |
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|
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foreach ( $sizes as $i => $size ) { |
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$size_status = $data->get_size_data( $size, 'success' ); |
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|
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if ( $size_status ) { |
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// This thumbnail has already been processed. |
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unset( $sizes[ $i ] ); |
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} |
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} |
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|
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if ( empty( $sizes ) ) { |
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continue; |
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} |
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|
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$optimization_level = $process->get_data()->get_optimization_level(); |
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$args = [ |
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'hook_suffix' => 'optimize_generated_image', |
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]; |
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|
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$process->optimize_sizes( $sizes, $optimization_level, $args ); |
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} |
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} |
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} |
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|
