--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contentstorage/caclient/s60/inc/caclientnotifiersession.h	Fri Mar 19 09:35:23 2010 +0200
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 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 : Content Arsenal client session for notifications.
+ *
+ */
+
+#ifndef CACLIENTNOTIFIERSESSION_H
+#define CACLIENTNOTIFIERSESSION_H
+
+// INCLUDES
+#include <e32base.h>
+#include <e32hashtab.h>
+
+#include "caoperationparams.h"
+#include "casrvdef.h"
+#include "caclientsubsession.h"
+#include "cainnernotifierfilter.h"
+
+//FORWARD DECLARATIONS
+class CCaInnerQuery;
+class RCaEntriesArray;
+class RCaIdsArray;
+class CaClientProxy;
+class CaClientNotifierProxy;
+
+// Number of message slots to reserve for this client server session.
+const TUint KDefaultMessageSlots(5);
+
+// CLASS DECLARATION
+/**
+ * Client-side interface to Content Arsenal Server
+ *
+ * This class provides the client-side interface to the content arsenal server
+ * session, it just passes requests to the server.
+ *
+ */
+class RCaClientNotifierSession: public RSessionBase
+    {
+public:
+
+    /**
+     * Construct the object.
+     */
+    RCaClientNotifierSession();
+
+    /**
+     * Connects to the server and create a session.
+     * @return error code
+     */
+    TInt Connect();
+
+    /**
+     * Create subsession.
+     * @return error code
+     */
+    TInt Create(TInt function, const TIpcArgs& args);
+
+    /**
+     * Closes session
+     *
+     * @since S60 v 5.0
+     */
+    void Close();
+
+    /**
+     * Registers a notifier.
+     * @param innerNotifierFilter pointer to inner (symbian style) filter.
+     * @param notifierFilter notifier filter address
+     * (used for identification purposes).
+     * @param notifierProxy client notifier proxy.
+     *
+     * @since S60 v 5.0
+     */
+    TInt RegisterNotifier(CCaInnerNotifierFilter *innerNotifierFilter,
+            const TAny* notifierFilter,
+            const CaClientNotifierProxy* notifierProxy);
+
+    /**
+     * Unregisters a notifier.
+     * @param notifierFilter notifier filter address
+     * (used for identification purposes).
+     * @param innerNotifierType inner notifier type.
+     *
+     * @since S60 v 5.0
+     */
+    void UnregisterNotifier(const TAny* notifierFilter,
+            CCaInnerNotifierFilter::TNotifierType innerNotifierType);
+
+    /**
+     * Returns a number of subsessions (which equals to a number
+     * of registered notifiers).
+     * @return a number of subsessions.
+     *
+     * @since S60 v 5.0
+     */
+    TInt SubsessionsCount() const;
+
+    /**
+     * Searches for a subsession.
+     * @param notifierFilter notifier filter address
+     * (used for identification purposes).
+     * @param innerNotifierType inner notifier type.
+     * @return true if session contains subsession for given parameters.
+     *
+     * @since S60 v 5.0
+     */
+    TBool ContainsSubsession(const TAny* notifierFilter,
+            CCaInnerNotifierFilter::TNotifierType innerNotifierType) const;
+
+    /**
+     * Return version information
+     */
+    TVersion Version() const;
+
+private:
+
+    /**
+     * Registers a notifier (leaving version).
+     * @param innerNotifierFilter pointer to inner (symbian style) filter.
+     * @param notifierFilter notifier filter address
+     * @param notifierProxy client notifier proxy.
+     *
+     * @since S60 v 5.0
+     */
+    void RegisterNotifierL(CCaInnerNotifierFilter* innerNotifierFilter,
+            const TAny* notifierFilter,
+            const CaClientNotifierProxy *notifierProxy);
+
+    /*
+     * GetSizeL method
+     * Return error
+     * @param query query
+     * @param serverRequest
+     * @param resultSize
+     */
+    TInt GetSizeL(const CCaInnerQuery& query,
+            const TCaServerRequests serverRequest, TInt& resultSize);
+
+private:
+
+    /**
+     * Class used as a key for a hash map iSubsessions.
+     */
+    class TKey
+        {
+    public:    
+        TKey(): iFilterAddress(NULL), iNotifierType(0){}
+        TKey(const TAny* const filterAddress, const TUint notifierType): 
+            iFilterAddress(filterAddress), iNotifierType(notifierType){}
+        /**
+         * filter address, not own.
+         */
+        const TAny* const iFilterAddress;
+        /**
+         * notifier type.
+         */
+        const TUint iNotifierType;
+        };
+
+private:
+    /**
+     * Hash function used by hash map iSessions.
+     * @param key a key (a pair: filter address, notifier type).
+     * @return hash value.
+     */
+    static TUint32 HashFunc(const TKey& key);
+
+    /**
+     * Identification function used by hash map iSessions.
+     * @param key1 the first key.
+     * @param key1 the second key.
+     * @return true if keys are equal.
+     */
+    static TBool IdentityFunc(const TKey& key1, const TKey& key2);
+
+private:
+    /**
+     * Static member containing a hash function.
+     */
+    static const THashFunction32<TKey> iHashFunction;
+
+    /**
+     * Static member containing an identity function.
+     */
+    static const TIdentityRelation<TKey> iIdentityRelation;
+
+    /**
+     * Hash map containing all subsesions of this session.
+     */
+    RHashMap<TKey, RCaClientSubSession*> iSubsessions;
+
+    };
+
+#endif // CACLIENTNOTIFIERSESSION_H
+// End of File