From 70413c64452a14629d6d95aeaf53216f7a0ef3a1 Mon Sep 17 00:00:00 2001
From: "bienvenu%nventure.com" <bienvenu%nventure.com>
Date: Thu, 8 Jan 2004 18:46:46 +0000
Subject: [PATCH] fix rename of parent folder when one of the child folders has
 been opened in the ui, r/sr=mscott 209022

---
 mailnews/base/util/nsMsgDBFolder.cpp        | 26 +++++++++++++-----
 mailnews/db/msgdb/public/nsIMsgDatabase.idl |  7 ++---
 mailnews/db/msgdb/src/nsMsgDatabase.cpp     | 30 +++++++++++++++++++--
 3 files changed, 51 insertions(+), 12 deletions(-)

diff --git a/mailnews/base/util/nsMsgDBFolder.cpp b/mailnews/base/util/nsMsgDBFolder.cpp
index 3c136c16cdd..46b9f21cb9c 100644
--- a/mailnews/base/util/nsMsgDBFolder.cpp
+++ b/mailnews/base/util/nsMsgDBFolder.cpp
@@ -74,6 +74,7 @@
 #include "nsIRDFService.h"
 #include "nsTextFormatter.h"
 #include "nsCPasswordManager.h"
+#include "nsMsgDBCID.h"
 
 #include <time.h>
 
@@ -89,6 +90,7 @@ static PRTime gtimeOfLastPurgeCheck;    //variable to know when to check for pur
 
 static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
 static NS_DEFINE_CID(kCollationFactoryCID, NS_COLLATIONFACTORY_CID);
+static NS_DEFINE_CID(kCMailDB, NS_MAILDB_CID);
 
 nsIAtom* nsMsgDBFolder::mFolderLoadedAtom=nsnull;
 nsIAtom* nsMsgDBFolder::mDeleteOrMoveMsgCompletedAtom=nsnull;
@@ -250,6 +252,13 @@ NS_IMETHODIMP nsMsgDBFolder::ForceDBClosed()
         mDatabase->ForceClosed();
         mDatabase = nsnull;
     }
+    else
+    {
+      nsCOMPtr<nsIMsgDatabase> mailDBFactory;
+      nsresult rv = nsComponentManager::CreateInstance(kCMailDB, nsnull, NS_GET_IID(nsIMsgDatabase), (void **) getter_AddRefs(mailDBFactory));
+      if (NS_SUCCEEDED(rv) && mailDBFactory)
+        mailDBFactory->ForceFolderDBClosed(this);
+    }
     return NS_OK;
 }
 
@@ -3153,13 +3162,16 @@ void nsMsgDBFolder::ChangeNumPendingUnread(PRInt32 delta)
     mNumPendingUnreadMessages += delta;
     PRInt32 newUnreadMessages = mNumUnreadMessages + mNumPendingUnreadMessages;
     NS_ASSERTION(newUnreadMessages >= 0, "shouldn't have negative unread message count");
-    nsCOMPtr<nsIMsgDatabase> db;
-    nsCOMPtr<nsIDBFolderInfo> folderInfo;
-    nsresult rv = GetDBFolderInfoAndDB(getter_AddRefs(folderInfo), getter_AddRefs(db));
-    if (NS_SUCCEEDED(rv) && folderInfo)
-      folderInfo->SetImapUnreadPendingMessages(mNumPendingUnreadMessages);
+    if (newUnreadMessages >= 0)
+    {
+      nsCOMPtr<nsIMsgDatabase> db;
+      nsCOMPtr<nsIDBFolderInfo> folderInfo;
+      nsresult rv = GetDBFolderInfoAndDB(getter_AddRefs(folderInfo), getter_AddRefs(db));
+      if (NS_SUCCEEDED(rv) && folderInfo)
+        folderInfo->SetImapUnreadPendingMessages(mNumPendingUnreadMessages);
 
-    NotifyIntPropertyChanged(kTotalUnreadMessagesAtom, oldUnreadMessages, newUnreadMessages);
+      NotifyIntPropertyChanged(kTotalUnreadMessagesAtom, oldUnreadMessages, newUnreadMessages);
+    }
   }
 }
 
@@ -3660,7 +3672,7 @@ NS_IMETHODIMP nsMsgDBFolder::GetNumNewMessages(PRBool deep, PRInt32 *aNumNewMess
         {
           PRInt32 num;
           folder->GetNumNewMessages(deep, &num);
-          if (num >= 0) // it's legal for counts to be negative if we don't know
+          if (num > 0) // it's legal for counts to be negative if we don't know
             numNewMessages += num;
         }
       }
diff --git a/mailnews/db/msgdb/public/nsIMsgDatabase.idl b/mailnews/db/msgdb/public/nsIMsgDatabase.idl
index d00c1a3a73c..d0711602778 100644
--- a/mailnews/db/msgdb/public/nsIMsgDatabase.idl
+++ b/mailnews/db/msgdb/public/nsIMsgDatabase.idl
@@ -108,9 +108,10 @@ interface nsMsgDBCommitType
 [scriptable, uuid(9188bc83-f92e-11d2-81ef-0060083a0bcf)]
 
 interface  nsIMsgDatabase : nsIDBChangeAnnouncer {
-  nsIMsgDatabase Open(in nsIFileSpec folderName, in boolean create, in boolean upgrading);
-  nsIMsgDatabase OpenFolderDB(in nsIMsgFolder folder, in boolean create, in boolean upgrading);
-  void Close(in boolean forceCommit);
+  nsIMsgDatabase Open(in nsIFileSpec aFolderName, in boolean aCreate, in boolean aUpgrading);
+  nsIMsgDatabase OpenFolderDB(in nsIMsgFolder aFolder, in boolean aCreate, in boolean aUpgrading);
+  void forceFolderDBClosed(in nsIMsgFolder aFolder);
+  void Close(in boolean aForceCommit);
 
   void Commit(in nsMsgDBCommit commitType);
   // Force closed is evil, and we should see if we can do without it.
diff --git a/mailnews/db/msgdb/src/nsMsgDatabase.cpp b/mailnews/db/msgdb/src/nsMsgDatabase.cpp
index 0fdbe01c4b5..a701a12fa1b 100644
--- a/mailnews/db/msgdb/src/nsMsgDatabase.cpp
+++ b/mailnews/db/msgdb/src/nsMsgDatabase.cpp
@@ -63,6 +63,7 @@
 #include "prprf.h"
 #include "nsTime.h"
 #include "nsIFileSpec.h"
+#include "nsLocalFolderSummarySpec.h"
 
 #include "nsILocale.h"
 #include "nsLocaleCID.h"
@@ -787,10 +788,10 @@ nsMsgDatabase::~nsMsgDatabase()
   
   if (m_mdbAllThreadsTable)
     m_mdbAllThreadsTable->Release();
+
   if (m_mdbStore)
-  {
     m_mdbStore->Release();
-  }
+
   if (m_mdbEnv)
   {
     m_mdbEnv->Release(); //??? is this right?
@@ -1072,6 +1073,31 @@ nsresult nsMsgDatabase::CloseMDB(PRBool commit)
   return(NS_OK);
 }
 
+NS_IMETHODIMP nsMsgDatabase::ForceFolderDBClosed(nsIMsgFolder *aFolder)
+{
+  NS_ENSURE_ARG(aFolder);
+  nsCOMPtr <nsIFileSpec> folderPath;
+  nsFileSpec		folderName;
+
+  nsresult rv = aFolder->GetPath(getter_AddRefs(folderPath));
+  NS_ENSURE_SUCCESS(rv, rv);
+  folderPath->GetFileSpec(&folderName);
+  nsLocalFolderSummarySpec	summarySpec(folderName);
+  
+  
+  nsFileSpec dbPath(summarySpec);
+  
+  nsIMsgDatabase *mailDB = (nsMsgDatabase *) FindInCache(dbPath);
+  if (mailDB)
+  {
+    mailDB->ForceClosed();
+   //FindInCache AddRef's
+    mailDB->Release();
+  }
+  return(NS_OK);
+ }
+
+
 // force the database to close - this'll flush out anybody holding onto
 // a database without having a listener!
 // This is evil in the com world, but there are times we need to delete the file.