--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/presencecache/presencecacheqt/inc/prcpresencereaderprivate_qt.h	Fri Jun 11 13:29:23 2010 +0300
@@ -0,0 +1,146 @@
+/*
+* 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 _PRESENCE_READER_PRIVATE_QT_H
+#define _PRESENCE_READER_PRIVATE_QT_H
+
+#include <QObject>
+
+class PrcPresenceBuddyInfoQt;
+class MPresenceCacheReader2; 
+class MPresenceCacheReadHandler2Qt;
+
+#include "presencecachereadhandler2.h"
+/**
+ * Implementation for presence cache reader
+ */
+class   PrcPresenceReaderPrivate : public QObject ,
+	                                    public MPresenceCacheReadHandler2
+                                          
+
+    {
+    Q_OBJECT
+public:
+
+    /**
+    * C++ constructor
+    */
+    PrcPresenceReaderPrivate();
+    /**
+     * Public destructor.
+     */
+     virtual ~PrcPresenceReaderPrivate();
+    
+   
+public: 
+    /**
+     * Reads presence info from cache for a given identity, returns immediately.
+     *
+     * @param identity buddy id, identity must be in xsp id format
+     * @return PrcPresenceBuddyInfoQt for the given buddy. Ownership to caller.
+     *         Null if service or buddy not found.    
+     */
+     PrcPresenceBuddyInfoQt* presenceInfo(const QString& identity);
+   
+   /**
+   * Returns total number of buddies stored in presence cache.
+   * It includes all services, probably useful while deciding performance 
+   * overheads or informing to the user.
+   *
+   * @return TInt Total number of presence infos in presence cache.
+   */         
+     int buddyCountInAllServices();
+   /**
+   * Returns total number of buddies (presence infos) stored in a specific
+   * service in presence cache. It includes only the given service. 
+   *
+   * @param serviceName as in device's service table
+   * @return TInt buddy count or error code. 
+   */    
+     int buddyCountInService(const QString& serviceName) ;
+   
+   /**
+     * Returns total number services in presence cache.
+     *
+     * @return int total number of services in presence cache.
+     */                       
+     int servicesCount();
+   /**
+    * Cancels any async. read operation going on. After calling this
+    * method no callback will be received from asycn read method.
+    *
+    */
+     bool cancelRead() ;              
+   /**
+    * Reads all presence info from cache for a given service. Emits  
+    * HandlePresenceRead signal.
+    *
+    * @param serviceName Service name to search from
+    */    
+     bool allBuddiesPresenceInService(const QString& serviceName) ; 
+                                                  
+    /**
+     * Subscribe for given presence buddy's change in presence. 
+     *
+     * @param identity buddy id, in xsp format
+     * @return ture if subscribed successfully
+     *
+     */
+     bool  subscribePresenceBuddyChange( const QString& identity);
+    /**
+      * Unsubscribe for given presence buddy's change in presence. 
+      *
+      * @param identity buddy id, in xsp format
+      */
+     void unSubscribePresenceBuddyChange(const QString& identity);
+    
+    //From MPresenceCacheReadHandler2
+    void HandlePresenceReadL(TInt aErrorCode,RPointerArray<MPresenceBuddyInfo2>& aPresenceBuddyInfoList) ;
+    void HandlePresenceNotificationL(TInt aErrorCode, MPresenceBuddyInfo2* aPresenceBuddyInfo) ;
+    
+
+    
+signals:
+    /*
+     * This signal is emitted in response to asynchronous method allBuddiesPresenceInService.
+     * Signal emitted when the operation is complete
+     * @param success = true, if operation successful
+     * @param buddyInfoList - list of  buddies read. Ownership of elements to callee. 
+     *                        Can be empty if not found.
+     */
+    void signalPresenceRead(bool success, QList<PrcPresenceBuddyInfoQt*> buddyInfoList);
+    
+    /*
+    * This signal is emitted when there are changes in any of the subscribed buddy info. 
+    * @param success == true, if operation successful
+    * @param presenceBuddyInfo - presence info for buddy. 
+     *                           Ownership to callee. Can be NULL if success == false exist.
+    * 
+    */
+    void signalPresenceNotification(bool success, PrcPresenceBuddyInfoQt* presenceBuddyInfo); 
+
+private:
+    /*
+     * Instance of symbian Presence Reader
+     * own
+     */
+    MPresenceCacheReader2* iSymbianReader; 
+    };
+#endif // _PRESENCE_READER_PRIVATE_QT_H
+
+
+