add folder notifications for rename, and for when imap messages are deleted, sr=mscott, 290057

mailnews/base/public/nsIMsgFolderNotificationService.idl

@@ -49,6 +49,8 @@ interface nsIMsgFolderNotificationService : nsISupports {
   void removeListener(in nsIMsgFolderListener aListener);
   
   void notifyItemAdded(in nsISupports aItem);
+  // for the convenience of the callers, we allow this to be an nsISupportsArray of items,
+  // or an individual nsISupports.
   void notifyItemDeleted(in nsISupports aItem);
   void notifyItemMoveCopyCompleted(in boolean aMove, 
                               in nsISupportsArray aSrcItems, 

mailnews/base/src/nsMsgFolderNotificationService.cpp

@@ -38,7 +38,7 @@
 
 #include "msgCore.h"
 #include "nsMsgFolderNotificationService.h"
-
+#include "nsISupportsArray.h"
 
 //
 //  nsMsgFolderNotificationService
@@ -102,13 +102,27 @@ NS_IMETHODIMP nsMsgFolderNotificationService::NotifyItemDeleted(nsISupports *aIt
 {
   PRInt32 count = m_listeners.Count();
   
+  // this might be an array of items - use QI to find out.
+  nsCOMPtr <nsISupportsArray> itemArray = do_QueryInterface(aItem);
   for(PRInt32 i = 0; i < count; i++)
   {
     nsCOMPtr<nsIMsgFolderListener> listener = m_listeners[i];
     NS_ASSERTION(listener, "listener is null");
     if (!listener) 
       return NS_ERROR_FAILURE;
-    listener->ItemDeleted(aItem);
+    if (itemArray)
+    {
+      PRUint32 cnt;
+      itemArray->Count(&cnt);
+      for (PRUint32 i = 0; i < cnt; i++)
+      {
+        nsCOMPtr <nsISupports> supports = do_QueryElementAt(itemArray, i);
+        if (supports)
+          listener->ItemDeleted(supports);
+      }
+    }
+    else
+      listener->ItemDeleted(aItem);
   }
   
   return NS_OK;

mailnews/imap/src/nsImapMailFolder.cpp

@@ -2069,6 +2069,12 @@ NS_IMETHODIMP nsImapMailFolder::DeleteMessages(nsISupportsArray *messages,
         deleteImmediatelyNoTrash = PR_TRUE;
     }
   }
+  else
+  {
+    nsCOMPtr <nsIMsgFolderNotificationService> notifier = do_GetService(NS_MSGNOTIFICATIONSERVICE_CONTRACTID);
+    if (notifier)
+      notifier->NotifyItemDeleted(messages);   
+  }
 
   if ((NS_SUCCEEDED(rv) && deleteImmediatelyNoTrash) || deleteModel == nsMsgImapDeleteModels::IMAPDelete )
   {
@@ -3113,7 +3119,7 @@ NS_IMETHODIMP nsImapMailFolder::ApplyFilterHit(nsIMsgFilter *filter, nsIMsgWindo
               m_msgMovedByFilter = PR_TRUE;
           }
           // don't apply any more filters, even if it was a move to the same folder
-          *applyMore = PR_FALSE; 
+          *applyMore = PR_FALSE; 
         }
         break;
         case nsMsgFilterAction::CopyToFolder:
@@ -7273,7 +7279,7 @@ NS_IMETHODIMP nsImapMailFolder::RenameClient(nsIMsgWindow *msgWindow, nsIMsgFold
   oldImapFolder->GetHierarchyDelimiter(&hierarchyDelimiter);
   PRInt32 boxflags=0;
   oldImapFolder->GetBoxFlags(&boxflags);
-
+  
   nsAutoString newLeafName;
   nsAutoString newNameString;
   CopyASCIItoUTF16(newName, newNameString);
@@ -7360,6 +7366,9 @@ NS_IMETHODIMP nsImapMailFolder::RenameClient(nsIMsgWindow *msgWindow, nsIMsgFold
     nsCOMPtr <nsIMsgImapMailFolder> oldImapFolder = do_QueryInterface(msgFolder);
     if (oldImapFolder)
       oldImapFolder->SetVerifiedAsOnlineFolder(PR_FALSE);
+    nsCOMPtr <nsIMsgFolderNotificationService> notifier = do_GetService(NS_MSGNOTIFICATIONSERVICE_CONTRACTID);
+    if (notifier)
+      notifier->NotifyFolderRenamed(msgFolder, child);   
     NotifyItemAdded(child);
   }
   return rv;

mailnews/local/src/nsLocalMailFolder.cpp

@@ -1160,6 +1160,10 @@ NS_IMETHODIMP nsMsgLocalMailFolder::RenameSubFolders(nsIMsgWindow *msgWindow, ns
   nsresult rv =NS_OK;
   mInitialized = PR_TRUE;
 
+  nsCOMPtr <nsIMsgFolderNotificationService> notifier = do_GetService(NS_MSGNOTIFICATIONSERVICE_CONTRACTID);
+  if (notifier)
+    notifier->NotifyFolderRenamed(oldFolder, this);
+  
   PRUint32 flags;
   oldFolder->GetFlags(&flags);
   SetFlags(flags);