diff options
| -rw-r--r-- | lib/private/previewmanager.php | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/private/previewmanager.php b/lib/private/previewmanager.php index 81fa1baad61..0d3ec40c06b 100644 --- a/lib/private/previewmanager.php +++ b/lib/private/previewmanager.php @@ -16,6 +16,9 @@ class PreviewManager implements IPreview { protected $config; /** @var array */ + protected $providerListDirty = false; + + /** @var array */ protected $providers = []; /** @var array mime type => support status */ @@ -57,6 +60,7 @@ class PreviewManager implements IPreview { $this->providers[$mimeTypeRegex] = []; } $this->providers[$mimeTypeRegex][] = $callable; + $this->providerListDirty = true; } /** @@ -64,8 +68,15 @@ class PreviewManager implements IPreview { * @return array */ public function getProviders() { - $keys = array_map('strlen', array_keys($this->providers)); - array_multisort($keys, SORT_DESC, $this->providers); + if (!$this->config->getSystemValue('enable_previews', true)) { + return []; + } + + if ($this->providerListDirty) { + $keys = array_map('strlen', array_keys($this->providers)); + array_multisort($keys, SORT_DESC, $this->providers); + $this->providerListDirty = false; + } return $this->providers; } |