* @category Horde * @copyright 2010-2017 Horde LLC * @license http://www.horde.org/licenses/gpl GPL * @package IMP */ class IMP_Factory_MimeViewer extends Horde_Core_Factory_MimeViewer { /** * Temporary storage for IMP_Contents object. * * @var IMP_Contents */ private $_contents; /** * Instances. * * @var array */ private $_instances = array(); /** * Attempts to return a concrete Horde_Mime_Viewer object based on the * MIME type. * * @param Horde_Mime_Part $mime An object with the data to be rendered. * @param array $opts Additional options: * 
     *   - contents: (IMP_Contents) Object associated with $mime.
     *   - type: (string) The MIME type to use for loading.
     *
* * @return Horde_Mime_Viewer_Base The newly created instance. * @throws Horde_Mime_Viewer_Exception */ public function create(Horde_Mime_Part $mime, array $opts = array()) { $opts = array_merge(array( 'contents' => null, 'type' => null ), $opts); $sig = implode('|', array( spl_object_hash($mime), $opts['contents'] ? spl_object_hash($opts['contents']) : '', strval($opts['type']) )); if (!isset($this->_instances[$sig])) { $this->_contents = $opts['contents']; $this->_instances[$sig] = parent::create($mime, array_filter(array( 'app' => 'imp', 'type' => $opts['type'] ))); unset($this->_contents); } return $this->_instances[$sig]; } /** * Callback used to return a MIME Viewer object from within certain * Viewer drivers. * * @param Horde_Mime_Viewer_Base $viewer The MIME Viewer driver * requesting the new object. * @param Horde_Mime_Part $mime An object with the data to be * rendered. * @param string $type The MIME type to use for * rendering. * * @return Horde_Mime_Viewer_Base The newly created instance. * @throws Horde_Mime_Viewer_Exception */ public function createCallback(Horde_Mime_Viewer_Base $viewer, Horde_Mime_Part $mime, $type) { return $this->create($mime, array( 'contents' => $viewer->getConfigParam('imp_contents'), 'type' => $type )); } /** */ public function getViewerConfig($type, $app) { list($driver, $params) = parent::getViewerConfig($type, $app); switch ($driver) { case 'Horde_Mime_Viewer_Report': case 'Horde_Mime_Viewer_Security': case 'Report': case 'Security': $params['viewer_callback'] = array($this, 'createCallback'); break; } $params['imp_contents'] = $this->_contents; $params['type'] = $type; return array($driver, $params); } }