diff -r 780f926bc26c -r f83bd4ae1fe3 email_plat/email_client_api/memailfolder.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email_plat/email_client_api/memailfolder.h	Thu Jun 24 14:32:18 2010 +0300
@@ -0,0 +1,107 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Email message API
+*
+*/
+
+#ifndef _M_EMAILFOLDER
+#define _M_EMAILFOLDER
+
+#include <emailapidefs.h>
+#include <emailsorting.h>
+
+namespace EmailInterface {
+
+class MEmailFolder;
+class MMessageIterator;
+
+typedef  RPointerArray<MEmailFolder> RFolderArray;
+
+/**
+* folder types
+*/
+enum TFolderType
+    {
+    EInbox,
+    EOutbox,
+    EDrafts,
+    EDeleted,
+    ESent,
+    EOther
+    };
+
+/**
+* Email folder interface 
+* This is used for accessing folder information and included messages.
+* Operations affecting folder itself are not provided.
+*
+* Use case: for accessing messages in specific folder use MEmailMessageQuery
+* and set folder id with MEmailMessageQuery::SetFolderIdL()
+*
+* @since S60 v5.0
+*/
+class MEmailFolder : public MEmailInterface
+{
+public:
+    /**
+    * Returns folder id.
+    * @return folder type
+    */
+    virtual TFolderId FolderId() const = 0;
+    
+    /**
+    * Returns parent folder id.
+    * @return parent folder id
+    */
+    virtual TFolderId ParentFolderId() const = 0;
+    
+    /**
+    * Returns folder type.
+    * @return folder type
+    */
+    virtual TFolderType FolderType() const = 0;    
+
+    /**
+    * Returns folder name.
+    * @return folder name pointer descriptor
+    */
+    virtual TPtrC Name() const = 0;
+
+    /**
+    * Returns direct children of this folder, i.e. this is not recursive.
+    * @return number of subfolders or an error code
+    */    
+    virtual TInt GetSubfoldersL( 
+        RFolderArray& aSubfolders ) const = 0;
+
+    /**
+    * Returns message iterator for iterating messages in the folder
+    * @param aSortCriteria sort criteria
+    * @return message iterator
+    */
+    virtual EmailInterface::MMessageIterator* MessagesL( 
+        const RSortCriteriaArray& aCriteria ) = 0;
+    
+    /**
+    * Deletes messages in this folder
+    * @param aMessageIds messages to delete. This method is no-op if
+    * array is empty. It is expected that messages in the array are
+    * located in same folder or KErrArgument exception is raised.
+    */
+    virtual void DeleteMessagesL( const REmailMessageIdArray& aMessageIds ) = 0;
+};
+
+} // namespace EmailInterface
+
+#endif // _M_EMAILFOLDER