Make list of mimetypes that open in preview window configurable (#1487625)

CHANGELOG

@@ -1,6 +1,8 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Make list of mimetypes that open in preview window configurable (#1487625)
+- Added plugin hook 'message_part_get' for attachment downloads
 - Localize forwarded message header (#1488058)
 - Added unique connection identifier to IMAP debug messages
 - Added 'priority' column on messages list (#1486782)

config/main.inc.php.dist

@@ -326,6 +326,11 @@ $rcmail_config['dont_override'] = array();
 // 3 - one identity with possibility to edit all params but not email address
 $rcmail_config['identities_level'] = 0;
 
+// Mimetypes supported by the browser.
+// attachments of these types will open in a preview window
+// either a comma-separated list or an array: 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,application/pdf'
+$rcmail_config['client_mimetypes'] = null;  # null == default
+
 // mime magic database
 $rcmail_config['mime_magic'] = '/usr/share/misc/magic';
 

program/js/app.js

@@ -41,11 +41,6 @@ function rcube_webmail()
 
   this.identifier_expr = new RegExp('[^0-9a-z\-_]', 'gi');
 
-  // mimetypes supported by the browser (default settings)
-  this.mimetypes = new Array('text/plain', 'text/html', 'text/xml',
-    'image/jpeg', 'image/gif', 'image/png',
-    'application/x-javascript', 'application/pdf', 'application/x-shockwave-flash');
-
   // default environment vars
   this.env.keep_alive = 60;        // seconds
   this.env.request_timeout = 180;  // seconds
@@ -749,7 +744,7 @@ function rcube_webmail()
         var qstring = '_mbox='+urlencode(this.env.mailbox)+'&_uid='+this.env.uid+'&_part='+props.part;
 
         // open attachment in frame if it's of a supported mimetype
-        if (this.env.uid && props.mimetype && $.inArray(props.mimetype, this.mimetypes)>=0) {
+        if (this.env.uid && props.mimetype && this.env.mimetypes && $.inArray(props.mimetype, this.env.mimetypes)>=0) {
           if (props.mimetype == 'text/html')
             qstring += '&_safe=1';
           this.attachment_win = window.open(this.env.comm_path+'&_action=get&'+qstring+'&_frame=1', 'rcubemailattachment');

program/steps/mail/show.inc

@@ -52,6 +52,10 @@ if ($uid = get_input_value('_uid', RCUBE_INPUT_GET)) {
   $OUTPUT->set_env('delimiter', $IMAP->get_hierarchy_delimiter());
   $OUTPUT->set_env('mailbox', $mbox_name);
 
+  // mimetypes supported by the browser (default settings)
+  $mimetypes = $RCMAIL->config->get('client_mimetypes', 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,application/x-javascript,application/pdf,application/x-shockwave-flash');
+  $OUTPUT->set_env('mimetypes', is_string($mimetypes) ? explode(',', $mimetypes) : (array)$mimetypes);
+
   if ($CONFIG['trash_mbox'])
     $OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
   if ($CONFIG['flag_for_deletion'])