diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/app/MVPbkContactStoreInfo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/app/MVPbkContactStoreInfo.h	Wed Mar 31 12:33:34 2010 +0100
@@ -0,0 +1,121 @@
+/*
+* Copyright (c) 2004-2007 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:  a contact store information interface
+*
+*/
+
+
+#ifndef MVPBKCONTACTSTOREINFO_H
+#define MVPBKCONTACTSTOREINFO_H
+
+
+// INCLUDES
+#include <e32cmn.h>
+
+// CONSTANTS
+const TInt KVPbkStoreInfoUnlimitedNumber = -1;
+
+// CLASS DECLARATIONS
+
+/**
+ * A contact store information interface.
+ *
+ * The interface offers access to contact store information that
+ * can change runtime.
+ */
+class MVPbkContactStoreInfo
+    {
+    public:  // Destructor
+        /**
+         * Destructor.
+         */
+        virtual ~MVPbkContactStoreInfo() {}
+
+    public:  // New functions
+        /**
+         * Returns the maximum number of contacts that the store can have
+         *
+         * Client must always check the return value and compare it to
+         * to the KVPbkStoreInfoUnlimitedNumber.
+         *
+         * @return The maximum number of contacts that the store can have
+         *         or KVPbkStoreInfoUnlimitedNumber if the store hasn't got
+         *         a limit.
+         */
+        virtual TInt MaxNumberOfContactsL() const =0;
+        
+        /**
+         * Returns the current number of contacts in the store
+         *
+         * @return The current number of contacts in the store
+         */
+        virtual TInt NumberOfContactsL() const =0;
+        
+        /**
+         * Returns the amount of memory in bytes that this store reserves
+         * in the media it resides. 
+         *
+         * This is practical to implement for stores whose database is in 
+         * the file system. All store implementations don't know their
+         * memory consumption and in that case zero is returned.
+         *
+         * @return The amount of memory (bytes) that this store reserves 
+         *         in the media it resides or zero if the information is
+         *         not available (e.g in SIM stores)
+         */
+        virtual TInt64 ReservedMemoryL() const =0;
+        
+        /**
+         * Returns the amount of memory in bytes that can be used 
+         * for the new contacts.
+         *
+         * This is practical to implement for stores whose database is in 
+         * the file system. All store implementations don't know this
+         * information and in that case zero is returned.
+         * 
+         * @return Returns the amount of memory (bytes) that can be used for 
+         *         the new contacts or zero if the information is not available
+         */
+        virtual TInt64 FreeMemoryL() const =0;
+        
+        /**
+         * Returns the maximum number of groups that the store can have
+         *
+         * @return The maximum number of groups that the store can have
+         *         or KVPbkStoreInfoUnlimitedNumber if the store hasn't got
+         *         a limit. Zero if store doesn't support groups.
+         */
+        virtual TInt MaxNumberOfGroupsL() const =0;
+        
+        /**
+         * Returns the current amount of groups in the store.
+         *
+         * @return The current amount of groups in the store
+         */
+        virtual TInt NumberOfGroupsL() const =0;
+        
+        /**
+         * Returns an extension point for this interface or NULL.
+         *
+         * @param aExtensionUid no extensions defined currently.
+         * @return an extension point for this interface or NULL.
+         */
+        virtual TAny* ContactStoreInfoExtension(TUid /*aExtensionUid*/) 
+                { return NULL; }
+    };
+
+
+#endif  // MVPBKCONTACTSTOREINFO_H
+
+//End of file