1: <?php
 2: /**
 3:  * This class implements formatting for unseen messages. Unseen occurs when
 4:  * the seen flag (RFC 3501 [2.3.2]) is NOT set; thus, it can not be handled
 5:  * in the seen flag object.
 6:  *
 7:  * Copyright 2010-2012 Horde LLC (http://www.horde.org/)
 8:  *
 9:  * See the enclosed file COPYING for license information (GPL). If you
10:  * did not receive this file, see http://www.horde.org/licenses/gpl.
11:  *
12:  * @author   Michael Slusarz <slusarz@horde.org>
13:  * @category Horde
14:  * @license  http://www.horde.org/licenses/gpl GPL
15:  * @package  IMP
16:  */
17: class IMP_Flag_System_Unseen extends IMP_Flag_System_Match_Flag
18: {
19:     /**
20:      */
21:     protected $_abbreviation = 'U';
22: 
23:     /**
24:      */
25:     protected $_bgcolor = '#eef';
26: 
27:     /**
28:      */
29:     protected $_css = 'flagUnseen';
30: 
31:     /**
32:      */
33:     protected $_id = 'unseen';
34: 
35:     /**
36:      */
37:     protected function _getLabel()
38:     {
39:         return _("Unseen");
40:     }
41: 
42:     /**
43:      */
44:     public function changed($obs, $add)
45:     {
46:         foreach ($obs as $val) {
47:             if ($val instanceof IMP_Flag_Imap_Seen) {
48:                 return !$add;
49:             }
50:         }
51: 
52:         return null;
53:     }
54: 
55:     /**
56:      */
57:     public function match(array $data)
58:     {
59:         return !in_array(Horde_Imap_Client::FLAG_SEEN, $data);
60:     }
61: 
62: }
63: