1: <?php
 2: /**
 3:  * The Horde_Mime_Viewer_Mspowerpoint class renders out Microsoft Powerpoint
 4:  * documents in HTML format by using the xlHtml package.
 5:  *
 6:  * Copyright 1999-2012 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   Anil Madhavapeddy <anil@recoil.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_Mspowerpoint extends Horde_Mime_Viewer_Base
17: {
18:     /**
19:      * This driver's display capabilities.
20:      *
21:      * @var array
22:      */
23:     protected $_capability = array(
24:         'full' => true,
25:         'info' => false,
26:         'inline' => false,
27:         'raw' => false
28:     );
29: 
30:     /**
31:      * Constructor.
32:      *
33:      * @param Horde_Mime_Part $mime_part  The object with the data to be
34:      *                                    rendered.
35:      * @param array $conf                 Configuration:
36:      * <pre>
37:      * 'location' - (string) Location of the ppthtml binary.
38:      * </pre>
39:      *
40:      * @throws InvalidArgumentException
41:      */
42:     public function __construct(Horde_Mime_Part $part, array $conf = array())
43:     {
44:         $this->_required = array_merge($this->_required, array(
45:             'location'
46:         ));
47: 
48:         parent::__construct($part, $conf);
49:     }
50: 
51:     /**
52:      * Return the full rendered version of the Horde_Mime_Part object.
53:      *
54:      * @return array  See parent::render().
55:      */
56:     protected function _render()
57:     {
58:         /* Check to make sure the viewer program exists. */
59:         if (!($location = $this->getConfigParam('location')) ||
60:             !file_exists($location)) {
61:             return array();
62:         }
63: 
64:         $data = '';
65: 
66:         $tmp_ppt = $this->_getTempFile();
67:         file_put_contents($tmp_ppt, $this->_mimepart->getContents());
68: 
69:         $fh = popen($location . ' ' . $tmp_ppt . ' 2>&1', 'r');
70:         while (($rc = fgets($fh, 8192))) {
71:             $data .= $rc;
72:         }
73:         pclose($fh);
74: 
75:         return $this->_renderReturn(
76:             $data,
77:             'text/html; charset=UTF-8'
78:         );
79:     }
80: 
81: }
82: