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222 lines
5.9 KiB
PHP
222 lines
5.9 KiB
PHP
<?php
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/**
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* Class Singleton
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*
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* @link https://github.com/googleforcreators/web-stories-wp
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*
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* @copyright 2020 Google LLC
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* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
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*/
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/**
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* Copyright 2023 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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declare(strict_types = 1);
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namespace Google\Web_Stories\Renderer\Story;
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use Google\Web_Stories\AMP_Story_Player_Assets;
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use Google\Web_Stories\Assets;
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use Google\Web_Stories\Embed_Base;
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use Google\Web_Stories\Model\Story;
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use Google\Web_Stories\Renderer\Stories\Renderer;
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/**
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* Class Singleton
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*/
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class Singleton {
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/**
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* Number of instances invoked. Kept it static to keep track.
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*/
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protected static int $instances = 0;
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/**
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* Current post.
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*
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* @var Story Post object.
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*/
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protected Story $story;
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/**
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* Assets instance.
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*
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* @var Assets Assets instance.
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*/
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private Assets $assets;
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/**
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* Object ID for the Renderer class.
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* To enable support for multiple carousels and lightboxes
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* on the same page, we needed to identify each Renderer instance.
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*
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* This variable is used to add appropriate class to the Web Stories
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* wrapper.
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*/
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protected int $instance_id = 0;
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/**
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* Singleton constructor.
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*
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* @since 1.30.0
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*
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* @param Story $story Story instance.
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* @param Assets $assets Assets instance.
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*/
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public function __construct( Story $story, Assets $assets ) {
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$this->assets = $assets;
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$this->story = $story;
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}
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/**
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* Renders the block output in default context.
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*
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* @SuppressWarnings(PHPMD.ExcessiveMethodLength)
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*
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* @since 1.30.0
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*
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* @param array<string,string|int> $args Array of Argument to render.
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* @return string Rendered block type output.
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*/
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public function render( array $args = [] ): string {
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++self::$instances;
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$this->instance_id = self::$instances;
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$defaults = [
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'align' => 'none',
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'class' => 'wp-block-web-stories-embed',
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'height' => 600,
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'width' => 360,
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];
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$args = wp_parse_args( $args, $defaults );
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$args['align'] = ! empty( $args['align'] ) ? $args['align'] : 'none';
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$align = sprintf( 'align%s', $args['align'] );
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$class = $args['class'];
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$wrapper_style = sprintf(
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'--aspect-ratio: %F; --width: %dpx; --height: %dpx',
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0 !== $args['height'] ? $args['width'] / $args['height'] : 1,
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(int) $args['width'],
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(int) $args['height']
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);
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$this->assets->enqueue_style( AMP_Story_Player_Assets::SCRIPT_HANDLE );
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$this->assets->enqueue_script( AMP_Story_Player_Assets::SCRIPT_HANDLE );
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$this->assets->enqueue_script_asset( Renderer::LIGHTBOX_SCRIPT_HANDLE );
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$this->assets->enqueue_style_asset( Embed_Base::SCRIPT_HANDLE );
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ob_start();
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?>
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<div class="<?php echo esc_attr( "$class web-stories-singleton $align" ); ?>" data-id="<?php echo esc_attr( 'singleton-' . $this->instance_id ); ?>">
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<div class="wp-block-embed__wrapper" style="<?php echo esc_attr( $wrapper_style ); ?>">
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<?php $this->render_story_with_poster( $args ); ?>
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</div>
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<?php
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$data = [
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'controls' => [
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[
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'name' => 'close',
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'position' => 'start',
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],
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[
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'name' => 'skip-next',
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],
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],
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'behavior' => [
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'autoplay' => false,
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],
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];
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?>
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<div class="web-stories-singleton__lightbox-wrapper <?php echo esc_attr( 'ws-lightbox-singleton-' . $this->instance_id ); ?>">
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<div class="web-stories-singleton__lightbox">
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<amp-story-player width="3.6" height="6" layout="responsive">
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<script type="application/json">
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<?php echo wp_json_encode( $data ); ?>
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</script>
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<a href="<?php echo esc_url( $this->story->get_url() ); ?>"><?php echo esc_html( $this->story->get_title() ); ?></a>
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</amp-story-player>
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</div>
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</div>
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</div>
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<?php
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return (string) ob_get_clean();
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}
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/**
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* Renders a story with story's poster image.
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*
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* @since 1.30.0
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*
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* @param array<string,string|int> $args Array of Argument to render.
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*/
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protected function render_story_with_poster( array $args ): void {
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$poster_url = $this->story->get_poster_portrait();
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$poster_srcset = $this->story->get_poster_srcset();
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$poster_sizes = $this->story->get_poster_sizes();
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if ( ! $poster_url ) {
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?>
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<div class="web-stories-singleton-poster">
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<div class="web-stories-singleton-poster-placeholder">
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<a href="<?php echo esc_url( $this->story->get_url() ); ?>">
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<?php echo esc_html( $this->story->get_title() ); ?>
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</a>
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</div>
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</div>
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<?php
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} else {
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?>
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<div class="web-stories-singleton-poster">
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<a href="<?php echo esc_url( $this->story->get_url() ); ?>">
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<img
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src="<?php echo esc_url( $poster_url ); ?>"
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alt="<?php echo esc_attr( $this->story->get_title() ); ?>"
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width="<?php echo absint( $args['width'] ); ?>"
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height="<?php echo absint( $args['height'] ); ?>"
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<?php if ( ! empty( $poster_srcset ) ) { ?>
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srcset="<?php echo esc_attr( $poster_srcset ); ?>"
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<?php } ?>
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<?php if ( ! empty( $poster_sizes ) ) { ?>
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sizes="<?php echo esc_attr( $poster_sizes ); ?>"
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<?php } ?>
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loading="lazy"
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decoding="async"
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>
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</a>
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</div>
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<?php
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}
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$this->render_content_overlay();
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}
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/**
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* Renders the content overlay markup.
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*
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* @since 1.30.0
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*/
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protected function render_content_overlay(): void {
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?>
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<div class="web-stories-singleton-overlay">
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<div class="web-stories-singleton-overlay__title">
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<?php echo esc_html( $this->story->get_title() ); ?>
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</div>
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</div>
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<?php
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}
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}
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