--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/AttributeLibrary2/SrcTransactions/CPEngPresenceAttrTransactionEnv.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,163 @@
+/*
+* Copyright (c) 2004 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:  Presence attribute transaction environment.
+*
+*/
+
+#ifndef CPENGPRESENCEATTRTRANSACTIONENV_H
+#define CPENGPRESENCEATTRTRANSACTIONENV_H
+
+//  INCLUDES
+#include <E32Base.h>
+
+#include "CPEngSessionSlotObject.h"
+#include "MPEngPresenceAttrTransactionEnv.h"
+
+
+// FORWARD DECLARATIONS
+class CPEngOrphanNotificationQue;
+class CPEngSubscribedUsers;
+class CPEngSubscribedUser;
+class CPEngSessionSlotId;
+class MPEngPresenceAttrManager;
+
+
+// CLASS DECLARATION
+
+/**
+ * Presence attribute transaction environment.
+ *
+ * @since 3.0
+ */
+NONSHARABLE_CLASS( CPEngPresenceAttrTransactionEnv ) : public CPEngSessionSlotObject,
+        public MPEngPresenceAttrTransactionEnv
+    {
+public:  // Constructors and destructor
+
+    /**
+     * Two-phased constructor.
+     */
+    static CPEngPresenceAttrTransactionEnv* NewL( const CPEngSessionSlotId& aSlotId,
+    MPEngPresenceAttrManager& aAttrMan );
+
+    /**
+     * Destructor.
+     */
+    ~CPEngPresenceAttrTransactionEnv();
+
+private:
+
+    /**
+     * By default Symbian OS constructor is private.
+     */
+    void ConstructL( const CPEngSessionSlotId& aSlotId );
+
+    /**
+     * C++ default constructor.
+     */
+    CPEngPresenceAttrTransactionEnv( MPEngPresenceAttrManager& aAttrMan );
+
+
+
+
+public: // Functions from MPEngPresenceAttrTransactionEnv
+
+
+    /**
+     * From MPEngPresenceAttrTransactionEnv.
+     * @since 3.0
+     */
+    void Close();
+    void AddSubscriptionL( const TDesC& aPresenceID );
+    void RemoveSubscriptionL( const TDesC& aPresenceID );
+    const MDesCArray& SubscribedPresenceIDs() const;
+
+
+    void SetSessionTracingAttributesL(
+        RPointerArray< MPEngPresenceAttrModel2 >& aAttributeModels  );
+
+    void UpdateSessionTracingAttributesL(
+        RPointerArray< MPEngPresenceAttrModel2 >& aAttributeModels );
+
+    void HandleNetworkSessionStateChangeL( TBool aSessionOpen );
+
+
+    void QueOrphanNotificationL( const TDesC8& aPresenceBlock );
+    void ProcessOrphanNotificationsL(
+        RPointerArray< MPEngPresenceAttrModel2 >& aModels );
+
+
+
+
+private: // Helpers
+
+
+    /**
+     * Initializes user's attributes to presence cache.
+     *
+     * @since 3.0
+     * @param aPresenceID The user which attributes to initialize.
+     */
+    void DoInitializeAttributesToCacheL( const TDesC& aPresenceID );
+
+
+    /**
+     * Clears user's attributes from cache.
+     *
+     * @since 3.0
+     * @param aPresenceID The user which attributes to clear.
+     */
+    void DoClearAttributesFromCacheL( const TDesC& aPresenceID );
+
+
+    /**
+     * Processes buffered orphan notifications and
+     * stores generated attribute models to presence cache.
+     *
+     * @since 3.0
+     */
+    void DoProcessAndStoreOrphanNotificationsL();
+
+
+
+private:    // Data
+
+    //OWN: Transaction domain
+    HBufC16*    iDomain;
+
+    //OWN: Subscribed users
+    CPEngSubscribedUsers*   iSubscribedUsers;
+
+
+    //OWN: Que for orphan notifications
+    CPEngOrphanNotificationQue* iOrphanNotifications;
+
+
+    //OWN: Attribute Manager
+    MPEngPresenceAttrManager& iAttributeManager;
+
+
+    //OWN: Flag is the above Attribute Manager owned or not
+    TBool iAttributeManagerOwned;
+
+
+    //OWN: Session tracing attributes
+    RPointerArray< MPEngPresenceAttrModel2 > iSessTracingAttribs;
+
+    };
+
+#endif      // CPENGPRESENCEATTRTRANSACTIONENV_H
+
+//  End of File
+