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Index: filefield.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/filefield/filefield.module,v
retrieving revision 1.203
diff -u -F^[fc] -r1.203 filefield.module
--- filefield.module	3 Jul 2009 20:53:07 -0000	1.203
+++ filefield.module	9 Jul 2009 17:45:29 -0000
@@ -194,8 +194,16 @@ function filefield_file_download($file) 
   // Access is granted.
   $name = mime_header_encode($file->filename);
   $type = mime_header_encode($file->filemime);
-  // Serve images and text inline for display rather than download.
-  $disposition = (ereg('^(text/|image/)', $file->filemime) || ereg('flash$', $file->filemime)) ? 'inline' : 'attachment';
+  // By default, serve images, text, and flash content for display rather than download.
+  // But if variable 'filefield_inline_types' is set, use its patterns instead.
+  $intypes = variable_get('filefield_inline_types', array('text/*', 'image/*', 'flash$'));
+  $disposition = 'attachment';
+  foreach ($intypes as $inline_type) {
+    $pattern = sprintf('!%s!',$inline_type);
+    if (preg_match($pattern, $file->filemime)) {
+      $disposition = 'inline';
+    }
+  }
   return array(
     'Content-Type: ' . $type . '; name='. $name,
     'Content-Length: ' . $file->filesize,