Version 1

[yaffs-website] / web / modules / contrib / blazy / src / BlazyMedia.php

diff --git a/web/modules/contrib/blazy/src/BlazyMedia.php b/web/modules/contrib/blazy/src/BlazyMedia.php
new file mode 100644 (file)
index 0000000..f1fd6b2
--- /dev/null
+++ b/web/modules/contrib/blazy/src/BlazyMedia.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace Drupal\blazy;
+
+use Drupal\image\Entity\ImageStyle;
+
+/**
+ * Provides extra media utilities without dependencies on Media Entity, etc.
+ */
+class BlazyMedia {
+
+  /**
+   * Builds the media field which cannot be displayed using theme_blazy().
+   *
+   * Some use URLs from inputs, some local files.
+   *
+   * @param object $media
+   *   The media being rendered.
+   *
+   * @return array|bool
+   *   The renderable array of the media field, or false if not applicable.
+   */
+  public static function build($media, $settings = []) {
+    // Prevents fatal error with disconnected internet when having ME Facebook,
+    // ME SlideShare, resorted to static thumbnails to avoid broken displays.
+    if (!empty($settings['input_url'])) {
+      // @todo: Remove when ME Facebook alike handles this.
+      try {
+        $response = \Drupal::httpClient()->get($settings['input_url']);
+      }
+      catch (\Exception $e) {
+        return FALSE;
+      }
+    }
+
+    $build = $media->get($settings['source_field'])->view($settings['view_mode']);
+    $build['#settings'] = $settings;
+
+    return self::wrap($build);
+  }
+
+  /**
+   * Returns a field to be wrapped by theme_container().
+   *
+   * Currently Instagram, and SlideShare are known to use iframe, and thus can
+   * be converted into a responsive Blazy with fluid ratio. The rest are
+   * returned as is, only wrapped by .media wrapper for consistency with complex
+   * interaction like EB.
+   *
+   * @param array $field
+   *   The source renderable array $field.
+   *
+   * @return array
+   *   The new renderable array of the media item wrapped by theme_container().
+   */
+  public static function wrap(array $field = []) {
+    // Media entity is a single being, reasonable to work with multi-value?
+    $item       = $field[0];
+    $settings   = isset($field['#settings']) ? $field['#settings'] : [];
+    $attributes = &$item['#attributes'];
+    $iframe     = isset($item['#tag']) && $item['#tag'] == 'iframe';
+
+    // Converts iframes into lazyloaded ones.
+    if ($iframe && !empty($attributes['src'])) {
+      $attributes['data-src'] = $attributes['src'];
+      $attributes['class'][] = 'b-lazy media__iframe media__element';
+      $attributes['src'] = 'about:blank';
+      $attributes['allowfullscreen'] = TRUE;
+    }
+
+    // Wraps the media item to allow consistency for EB/SB.
+    $build = [
+      '#theme'      => 'container',
+      '#children'   => $item,
+      '#attributes' => ['class' => ['media']],
+      '#settings'   => $settings,
+    ];
+
+    if (!empty($settings['bundle'])) {
+      $build['#attributes']['class'][] = 'media--' . str_replace('_', '-', $settings['bundle']);
+    }
+
+    // Adds helper for Entity Browser small thumbnail selection.
+    if (!empty($settings['thumbnail_style']) && !empty($settings['uri'])) {
+      $build['#attributes']['data-thumb'] = ImageStyle::load($settings['thumbnail_style'])->buildUrl($settings['uri']);
+    }
+
+    // Currently known media entities using iframe: Instagram.
+    if ($iframe) {
+      $build['#attributes']['class'][] = 'media--ratio';
+
+      if (!empty($attributes['width']) && !empty($attributes['height'])) {
+        $padding_bottom = round((($attributes['height'] / $attributes['width']) * 100), 2);
+        $build['#attributes']['style'] = 'padding-bottom: ' . $padding_bottom . '%';
+      }
+    }
+    else {
+      $build['#attributes']['class'][] = 'media--rendered';
+    }
+
+    // Clone relevant keys as field wrapper is no longer in use.
+    foreach (['attached', 'cache'] as $key) {
+      if (isset($field["#$key"])) {
+        $build["#$key"] = $field["#$key"];
+      }
+    }
+
+    return $build;
+  }
+
+}