From 30b30226e6569f13e444cdcb513cd2bfc24318d7 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 04 Nov 2010 10:03:26 -0400
Subject: [PATCH] - Add possibility to force mailbox selection. There're situations where we're invoking   STATUS (for all messages count) and SELECT later for other operations. If we   call SELECT first, the STATUS will be not needed.

---
 program/steps/mail/pagenav.inc |    8 +++
 program/include/rcube_imap.php |   58 +++++++++++++++++++---------
 2 files changed, 46 insertions(+), 20 deletions(-)

diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 3d04937..17ba91c 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -113,7 +113,7 @@
         $this->conn = new rcube_imap_generic();
     }
 
-    
+
     /**
      * Connect to an IMAP server
      *
@@ -182,7 +182,7 @@
         return false;
     }
 
-    
+
     /**
      * Close IMAP connection
      * Usually done on script shutdown
@@ -195,7 +195,7 @@
         $this->write_cache();
     }
 
-    
+
     /**
      * Close IMAP connection and re-connect
      * This is used to avoid some strange socket errors when talking to Courier IMAP
@@ -233,7 +233,7 @@
     {
         return ($this->conn) ? $this->conn->error : '';
     }
-    
+
 
     /**
      * Set options to be used in rcube_imap_generic::connect()
@@ -245,7 +245,7 @@
         $this->options = array_merge($this->options, (array)$opt);
     }
 
-    
+
     /**
      * Set a root folder for the IMAP connection.
      *
@@ -267,7 +267,7 @@
             $this->get_hierarchy_delimiter();
     }
 
-    
+
     /**
      * Set default message charset
      *
@@ -281,7 +281,7 @@
         $this->default_charset = $cs;
     }
 
-    
+
     /**
      * This list of folders will be listed above all other folders
      *
@@ -299,7 +299,7 @@
         }
     }
 
-    
+
     /**
      * Set internal mailbox reference.
      *
@@ -321,7 +321,27 @@
         $this->_clear_messagecount($mailbox);
     }
 
-    
+
+    /**
+     * Forces selection of a mailbox
+     *
+     * @param  string $mailbox Mailbox/Folder name
+     * @access public
+     */
+    function select_mailbox($mailbox)
+    {
+        $mailbox = $this->mod_mailbox($mailbox);
+
+        $selected = $this->conn->select($mailbox);
+
+        if ($selected && $this->mailbox != $mailbox) {
+            // clear messagecount cache for this mailbox
+            $this->_clear_messagecount($mailbox);
+            $this->mailbox = $mailbox;
+        }
+    }
+
+
     /**
      * Set internal list page
      *
@@ -333,7 +353,7 @@
         $this->list_page = (int)$page;
     }
 
-    
+
     /**
      * Set internal page size
      *
@@ -345,7 +365,7 @@
         $this->page_size = (int)$size;
     }
 
-    
+
     /**
      * Save a set of message ids for future message listing methods
      *
@@ -372,7 +392,7 @@
         $this->search_sorted     = $sorted;
     }
 
-    
+
     /**
      * Return the saved search set as hash array
      * @return array Search set
@@ -388,7 +408,7 @@
 	    );
     }
 
-    
+
     /**
      * Returns the currently used mailbox name
      *
@@ -400,7 +420,7 @@
         return $this->conn->connected() ? $this->mod_mailbox($this->mailbox, 'out') : '';
     }
 
-    
+
     /**
      * Returns the IMAP server's capability
      *
@@ -413,7 +433,7 @@
         return $this->conn->getCapability(strtoupper($cap));
     }
 
-    
+
     /**
      * Sets threading flag to the best supported THREAD algorithm
      *
@@ -437,7 +457,7 @@
         return $this->threading;
     }
 
-    
+
     /**
      * Checks the PERMANENTFLAGS capability of the current mailbox
      * and returns true if the given flag is supported by the IMAP server
@@ -453,7 +473,7 @@
         return (in_array_nocase($imap_flag, $this->conn->data['PERMANENTFLAGS']));
     }
 
-    
+
     /**
      * Returns the delimiter that is used by the IMAP server for folder separation
      *
@@ -471,7 +491,7 @@
         return $this->delimiter;
     }
 
-    
+
     /**
      * Get message count for a specific mailbox
      *
@@ -489,7 +509,7 @@
         return $this->_messagecount($mailbox, $mode, $force, $status);
     }
 
-    
+
     /**
      * Private method for getting nr of messages
      *
diff --git a/program/steps/mail/pagenav.inc b/program/steps/mail/pagenav.inc
index b62520f..e295114 100644
--- a/program/steps/mail/pagenav.inc
+++ b/program/steps/mail/pagenav.inc
@@ -20,7 +20,13 @@
 */
 
 $uid = get_input_value('_uid', RCUBE_INPUT_GET);
-$cnt  = $IMAP->messagecount(NULL, 'ALL'); // Only messages, no threads here
+
+// Select mailbox first, for better performance
+$mbox_name = $IMAP->get_mailbox_name();
+$IMAP->select_mailbox($mbox_name);
+
+// Get messages count (only messages, no threads here)
+$cnt  = $IMAP->messagecount(NULL, 'ALL');
 
 if ($_SESSION['sort_col'] == 'date' && $_SESSION['sort_order'] != 'DESC'
     && empty($_REQUEST['_search']) && !$CONFIG['skip_deleted'] && !$IMAP->threading

--
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