Further refine cross-folder searching:

- Store incomplete search results in session and re-send search requests
  to the server if returned before complete (this should avoid hitting request timeouts).
- Display full folder path on mouseover in message list
- Remove pthreads implementation stuff as this wasn't really working

2 files changed, 22 insertions, 6 deletions

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 10d30a5f3..b9971ce0c 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -142,7 +142,7 @@ if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
     if (!$OUTPUT->ajax_call) {
         $OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
             'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
-            'copy', 'move', 'quota', 'replyall', 'replylist');
+            'copy', 'move', 'quota', 'replyall', 'replylist', 'stillsearching');
     }
 
     $pagetitle = $RCMAIL->localize_foldername($mbox_name, true);
diff --git a/program/steps/mail/search.inc b/program/steps/mail/search.inc
index 813e8c492..f52d1a084 100644
--- a/program/steps/mail/search.inc
+++ b/program/steps/mail/search.inc
@@ -38,6 +38,7 @@ $mbox    = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GET, true);
 $filter  = rcube_utils::get_input_value('_filter', rcube_utils::INPUT_GET);
 $headers = rcube_utils::get_input_value('_headers', rcube_utils::INPUT_GET);
 $scope   = rcube_utils::get_input_value('_scope', rcube_utils::INPUT_GET);
+$continue = rcube_utils::get_input_value('_continue', rcube_utils::INPUT_GET);
 $subject = array();
 
 $filter         = trim($filter);
@@ -110,6 +111,12 @@ if (!empty($subject)) {
 $search_str  = trim($search_str);
 $sort_column = rcmail_sort_column();
 
+// set message set for already stored (but incomplete) search request
+if (!empty($continue) && isset($_SESSION['search']) && $_SESSION['search_request'] == $continue) {
+    $RCMAIL->storage->set_search_set($_SESSION['search']);
+    $search_str = $_SESSION['search'][0];
+}
+
 // execute IMAP search
 if ($search_str) {
     // search all, current or subfolders folders
@@ -126,10 +133,6 @@ if ($search_str) {
     $result = $RCMAIL->storage->search($mboxes, $search_str, $imap_charset, $sort_column);
 }
 
-// Get the headers
-$result_h = $RCMAIL->storage->list_messages($mbox, 1, $sort_column, rcmail_sort_order());
-$count    = $RCMAIL->storage->count($mbox, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
-
 // save search results in session
 if (!is_array($_SESSION['search'])) {
     $_SESSION['search'] = array();
@@ -142,6 +145,13 @@ if ($search_str) {
 $_SESSION['search_request'] = $search_request;
 $_SESSION['search_scope'] = $scope;
 
+
+// Get the headers
+if (!$result->incomplete) {
+    $result_h = $RCMAIL->storage->list_messages($mbox, 1, $sort_column, rcmail_sort_order());
+    $count    = $RCMAIL->storage->count($mbox, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
+}
+
 // Make sure we got the headers
 if (!empty($result_h)) {
     rcmail_js_message_list($result_h, false);
@@ -157,9 +167,15 @@ if (!empty($result_h)) {
     }
 }
 // handle IMAP errors (e.g. #1486905)
-else  if ($err_code = $RCMAIL->storage->get_error_code()) {
+else if ($err_code = $RCMAIL->storage->get_error_code()) {
     $RCMAIL->display_server_error();
 }
+// advice the client to re-send the (cross-folder) search request
+else if ($result->incomplete) {
+    $count = 0;  // keep UI locked
+    $OUTPUT->command('continue_search', $search_request);
+    console('search incomplete', strlen(serialize($result)));
+}
 else {
     $OUTPUT->show_message('searchnomatch', 'notice');
     $OUTPUT->set_env('multifolder_listing', (bool)$result->multi);