public function BlazyManagerBase::getIoSettings in Blazy 7

Same name and namespace in other branches

1. 8.2 src/BlazyManagerBase.php \Drupal\blazy\BlazyManagerBase::getIoSettings()

Returns drupalSettings for IO.

1 call to BlazyManagerBase::getIoSettings()

BlazyManagerBase::attach in src/BlazyManagerBase.php

Returns array of needed assets suitable for #attached property.

File

src/BlazyManagerBase.php, line 150

Class

BlazyManagerBase

Implements BlazyManagerInterface.

Namespace

Drupal\blazy

Code

public function getIoSettings(array $attach = []) {
  if (!isset($this->isIoSettings)) {
    $thold = trim($this
      ->config('io.threshold', '0', 'blazy.settings'));
    $number = strpos($thold, '.') !== FALSE ? (double) $thold : (int) $thold;
    $thold = strpos($thold, ',') !== FALSE ? array_map('trim', explode(',', $thold)) : [
      $number,
    ];

    // Respects hook_blazy_attach_alter() for more fine-grained control.
    foreach ([
      'enabled',
      'disconnect',
      'rootMargin',
      'threshold',
    ] as $key) {
      $default = $key == 'rootMargin' ? '0px' : FALSE;
      $value = $key == 'threshold' ? $thold : $this
        ->config('io.' . $key, $default);
      $io[$key] = isset($attach['io.' . $key]) ? $attach['io.' . $key] : $value;
    }

    // Prevents drupal_array_merge_deep from duplicating threshold values.
    $this->isIoSettings = (object) $io;
  }
  return $this->isIoSettings;
}