Viewing file:  Callbacks.inc (2.6 KB) -rw-r--r--
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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* @package Exif
* @author Bharat Mediratta <bharat@menalto.com>
* @version $Revision: 15513 $
*/
class ExifCallbacks {
function callback($params, &$smarty, $callback, $userId=null) {
global $gallery;
switch ($callback) {
case 'LoadExifInfo':
GalleryCoreApi::requireOnce('modules/exif/classes/ExifHelper.class');
list ($ret, $item) = GalleryCoreApi::loadEntitiesById($params['itemId']);
if ($ret) {
return $ret;
}
/* We only work on JPEG/raw data items */
if (!GalleryUtilities::isA($item, 'GalleryDataItem') ||
!preg_match('{^image/(p?jpeg(-cmyk)?|x-dcraw)$}', $item->getMimeType())) {
return null;
}
/* Feed the file to exifer */
list ($ret, $path) = $item->fetchPath();
if ($ret) {
return $ret;
}
/* Figure out which version we're looking at */
$session =& $gallery->getSession();
if (empty($mode)) {
$mode = $session->get('exif.module.LoadExifInfo.mode');
if (empty($mode)) {
$mode = 'summary';
}
}
if ($mode == 'detailed') {
$filter = EXIF_DETAILED;
} else {
$filter = EXIF_SUMMARY;
}
list ($ret, $exifData) = ExifHelper::getExifData($path, $filter);
if ($ret) {
return $ret;
}
if (empty($exifData)) {
if ($filter == EXIF_SUMMARY) {
list ($ret, $exifData) = ExifHelper::getExifData($path, EXIF_DETAILED);
} else {
list ($ret, $exifData) = ExifHelper::getExifData($path, EXIF_SUMMARY);
}
if ($ret) {
return $ret;
}
$mode = null;
}
if (empty($exifData)) {
return null;
}
$block =& $smarty->_tpl_vars['block'];
$block['exif']['LoadExifInfo']['exifData'] = $exifData;
$block['exif']['LoadExifInfo']['mode'] = $mode;
return null;
}
return GalleryCoreApi::error(ERROR_BAD_PARAMETER);
}
}
?>
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