diff -r 780f926bc26c -r f83bd4ae1fe3 emailservices/emailclientapi/src/emailapiutils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailclientapi/src/emailapiutils.cpp	Thu Jun 24 14:32:18 2010 +0300
@@ -0,0 +1,144 @@
+/*
+* 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: This file implements class CEmailApiUtils.
+*
+*/
+
+#include <e32std.h>
+#include "cfsmailplugin.h"
+#include "emailapidefs.h"
+#include "emailclientapiimpldefs.h"
+#include "emailapiutils.h"
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+CPluginData::CPluginData( TUid aUid ) :
+    iData( aUid ),
+    iPluginLoadError( KErrNotReady )
+    { 
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+CPluginData::~CPluginData()
+    {
+    // panic if a user of plugin has not called ReleaseInstance after ClaimInstance
+    __ASSERT_ALWAYS( iOwned || !iRefCount, Panic( EMailPanicPluginNotReleased ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+CFSMailPlugin* CPluginData::ClaimInstance()
+    {
+    if ( !iData.iPlugin )
+        {
+        TRAP( iPluginLoadError, iData.iPlugin = CFSMailPlugin::NewL( iData.iUid ) );
+        }
+    if ( !iPluginLoadError )
+        {
+        iRefCount++;
+        }
+    return iData.iPlugin;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+CFSMailPlugin* CPluginData::ClaimInstanceL()
+    {
+    ClaimInstance();
+    User::LeaveIfError( iPluginLoadError );
+    return iData.iPlugin;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+void CPluginData::ReleaseInstance()
+    {
+    if ( iData.iPlugin )
+        {
+        iRefCount--;
+        if ( !iRefCount )
+            {
+            delete iData.iPlugin;
+            iData.iPlugin = NULL;
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+void CPluginData::ReleasePushL()
+    {
+    TCleanupItem item( &CPluginData::CleanupOperation, this );
+    CleanupStack::PushL( item );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+void CPluginData::CleanupOperation( TAny* aAny )
+    {
+    CPluginData* pdata = reinterpret_cast<CPluginData*>( aAny );
+    pdata->ReleaseInstance();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+TUid CPluginData::Uid() const
+    {
+    return iData.iUid;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+TInt CPluginData::LoadResult() const
+    {
+    return iPluginLoadError;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+TFSMailMsgId FsMsgId( const CPluginData& aPluginData, const EmailInterface::TBaseId& aId )
+    {
+    TFSMailMsgId id( aPluginData.Uid(), aId.iId );
+    return id;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+void CleanupReleasePush::PushL( EmailInterface::MEmailInterface& aItem )
+    {
+    TCleanupItem item( &CleanupReleasePush::Release, &aItem );
+    CleanupStack::PushL( item );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+void CleanupReleasePush::Release( TAny *aPtr )
+    {
+    reinterpret_cast<EmailInterface::MEmailInterface*>( aPtr )->Release();
+    }
+
+// End of file