1: <?php
 2: /**
 3:  * The Horde_Mime_Viewer_Report class is a wrapper used to load the
 4:  * appropriate Horde_Mime_Viewer for multipart/report data (RFC 3462).
 5:  *
 6:  * Copyright 2003-2012 Horde LLC (http://www.horde.org/)
 7:  *
 8:  * See the enclosed file COPYING for license information (LGPL). If you
 9:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
10:  *
11:  * @author   Michael Slusarz <slusarz@horde.org>
12:  * @category Horde
13:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
14:  * @package  Mime_Viewer
15:  */
16: class Horde_Mime_Viewer_Report extends Horde_Mime_Viewer_Base
17: {
18:     /**
19:      * Constructor.
20:      *
21:      * @param Horde_Mime_Part $mime_part  The object with the data to be
22:      *                                    rendered.
23:      * @param array $conf                 Configuration:
24:      * <pre>
25:      * 'viewer_callback' - (callback) A callback to a factory that will
26:      *                     return the appropriate viewer for the embedded
27:      *                     MIME type. Is passed three parameters: the
28:      *                     current driver object, the MIME part object, and
29:      *                     the MIME type to use.
30:      * </pre>
31:      */
32:     public function __construct(Horde_Mime_Part $part, array $conf = array())
33:     {
34:         parent::__construct($part, $conf);
35:     }
36: 
37:     /**
38:      * Return the underlying MIME Viewer for this part.
39:      *
40:      * @return mixed  A Horde_Mime_Viewer object, or false if not found.
41:      */
42:     protected function _getViewer()
43:     {
44:         if (!($callback = $this->getConfigParam('viewer_callback'))) {
45:             return false;
46:         }
47: 
48:         if (!($type = $this->_mimepart->getContentTypeParameter('report-type'))) {
49:             /* This is a broken RFC 3462 message, since 'report-type' is
50:              * mandatory. Try to determine the report-type by looking at the
51:              * sub-type of the second body part. */
52:             $parts = $this->_mimepart->getParts();
53:             if (!isset($parts[1])) {
54:                 return false;
55:             }
56:             $type = $parts[1]->getSubType();
57:         }
58: 
59:         return call_user_func($callback, $this, $this->_mimepart, 'message/' . Horde_String::lower($type));
60:     }
61: 
62: }
63: