--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/presencecache/presencecacheclient2/inc/presencecacheclient.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,245 @@
+/*
+* Copyright (c) 2007, 2008 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:  Implementation for presence cache reader and writer.
+*
+*/
+
+#ifndef PRESENCECACHECLIENT_H
+#define PRESENCECACHECLIENT_H
+
+#include <presencecachereader2.h>
+#include <presencecachewriter2.h>
+
+#include "presencecachedefs2.h"
+
+class MPresenceBuddyInfo2;
+class MPresenceCacheWriteHandler2;
+class MPresenceCacheReadHandler2;
+class CPresenceCacheClientNotification;
+
+//Include Cache server namespace
+using namespace NCacheSrv2;
+
+/**
+ * Implementation for presence cache reader and writer. This object is 
+ * instantiated either by MPresenceCacheReader2 or MPresenceCacheWriter2 using ecom framework.
+ * Apart from implementing these two objects, this is also a Symbian OS client and
+ * it communicates with presence cache server. Its also an active object.
+ *
+ * @since S60 v3.2
+ */
+class CPresenceCacheClient : public CActive,
+							 public RSessionBase,
+							 public MPresenceCacheReader2,
+                             public MPresenceCacheWriter2
+
+    {
+public:
+
+    /**
+     * Factory method to instantiate CPresenceCacheClient through the ECom. 
+     *
+     * @return The new CPresenceCacheClient object. Object
+     *         ownership is returned to caller.
+     */
+    IMPORT_C static CPresenceCacheClient* NewL();
+    
+    /**
+     * Factory method to instantiate CPresenceCacheClient through the ECom.
+     * It's returns MPresenceCacheReader2
+     *
+     * @return The new CPresenceCacheClient object. Object
+     *         ownership is returned to caller.
+     */
+    IMPORT_C static MPresenceCacheReader2* CreateReaderL();
+    
+    /**
+     * Factory method to instantiate CPresenceCacheClient through the ECom.
+     * It's returns MPresenceCacheWriter2
+     *
+     * @return The new CPresenceCacheClient object. Object
+     *         ownership is returned to caller.
+     */
+    IMPORT_C static MPresenceCacheWriter2* CreateWriterL();
+    
+  
+    /**
+     * Public destructor.
+     * Objects can be deleted through this interface.
+     */
+    virtual ~CPresenceCacheClient();
+    
+    /**
+    * Start the server
+    * @return TInt Error code
+    */
+    TInt StartServer();
+    
+    /**
+    * Version.
+    * Gets the version number.
+    * @return The version.
+    */
+    TVersion Version() const;
+        
+        
+private:
+
+    /**
+    * C++ constructor
+    */
+    CPresenceCacheClient();
+    
+    /**
+    * Symbian second phase constructor
+    */
+    void ConstructL();
+    
+    /**
+    * Connect.
+    * Connects to the server and create a session.
+    * @return Error code.
+    */
+    TInt Connect();
+    
+    /**
+    * Packs MPresenceBuddyInfo2 object into a buffer
+    * 
+    * @param aBuddyPresInfo, MPresenceBuddyInfo2
+    * @return HBufC8* buffer
+    */
+    HBufC8* PackBuddyPresenceInfoLC(const MPresenceBuddyInfo2* aBuddyPresInfo);
+    
+    /**
+    * Packs MPresenceBuddyInfo2List object into a buffer
+    * 
+    * @param aList, MPresenceBuddyInfo2List
+    * @return HBufC8* buffer
+    */
+    HBufC8* PackPresenceBuddyListLC(const RPointerArray<MPresenceBuddyInfo2>& aList);  
+      
+    
+    /**
+    * Handle asynchronous call from server that buddies presence have been prepared.
+    * This function does further processing and calls the client.
+    * 
+    * @param aError, Error came from server.
+    */
+    void HandlePreparedAllBuddiesPresenceL(TInt aError);
+    
+    /**
+    * Return true if given identity is valid xsp identity
+    * 
+    * @param ETrue if valid xsp identity
+    */
+    TBool ValidateXspId(const TDesC& aXspId);
+    
+       
+      
+public: //From MPresenceCacheReader2
+
+    MPresenceBuddyInfo2* PresenceInfoLC(const TDesC& aIdentity);    
+    
+    TInt BuddyCountInAllServices();
+    
+    TInt BuddyCountInService(const TDesC& aServiceName);
+    
+    TInt ServicesCount();
+    
+    TInt CancelRead();                                        
+                                                
+    TInt SubscribePresenceBuddyChangeL(const TDesC& aIdentity);
+                                                
+    void UnSubscribePresenceBuddyChangeL(const TDesC& aIdentity);                             
+                                                
+
+public: //From MPresenceCacheReader2, Asynchronous methods
+
+    TInt AllBuddiesPresenceInService(const TDesC& aServiceName, 
+                                        MPresenceCacheReadHandler2* aHandler);
+
+    TInt SetObserverForSubscribedNotifications(
+                        MPresenceCacheReadHandler2* aHandler);                             
+
+public: //From MPresenceCacheWriter2
+
+    TInt WritePresenceL(const MPresenceBuddyInfo2* aPresenceBuddyInfo);
+    
+    TInt DeleteService(const TDesC& aServiceName);
+    
+    TInt DeletePresenceL(const TDesC& aIdentity);
+        
+    MPresenceBuddyInfo2* NewBuddyPresenceInfoLC();
+    
+    // MPresenceBuddyInfoList* NewPresenceBuddyInfoListLC(const TDesC& aServiceName);
+    
+    TInt CancelWrite();
+    
+
+public: //From MPresenceCacheWriter2, Asynchronous methods
+
+    TInt WriteMultiplePresenceL(const RPointerArray<MPresenceBuddyInfo2>& aPresenceBuddyInfos,
+                        MPresenceCacheWriteHandler2* aHandler);
+                                    
+public:  //From CActive
+
+    void RunL();
+
+    void DoCancel();
+    
+private: // Data
+    
+    //Not Owned
+    MPresenceCacheWriteHandler2* iWriteHandler;
+    
+    //Not Owned
+    MPresenceCacheReadHandler2* iReadHandler;
+    
+    //To store async request status
+    NRequest::TOpAsyncCodes iAsyncReq;
+          
+    /**
+     * Client who subscribed cache notifications
+     * NOT OWN
+     */
+    MPresenceCacheReadHandler2* iNotifyClient;   
+    
+    /**
+     * Handler for subscribed cache notifications
+     * OWN
+     */    
+    CPresenceCacheClientNotification* iNotifyHandler;
+    
+    /**
+     * Asynchronous data packet
+     * OWN
+     */
+    HBufC8* iPresInfoPack;    
+    
+    /**
+     * Asynchronous data packet
+     * OWN
+     */
+    HBufC16* iPresInfoPack16;      
+    
+private: // friend classes
+
+	friend class CPresenceCacheClientNotification;
+
+    };
+
+#endif // PRESENCECACHECLIENT_H
+
+
+