diff -r 000000000000 -r 4e1aa6a622a0 sensorservices/sensorserver/inc/client/sensrvchannelfinderimpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensorservices/sensorserver/inc/client/sensrvchannelfinderimpl.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,145 @@
+/*
+* Copyright (c) 2006-2008 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:  Sensor Control API
+*
+*/
+
+
+
+
+#ifndef SENSRVCHANNELFINDERIMPL_H
+#define SENSRVCHANNELFINDERIMPL_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "sensrvchannelfinder.h"
+#include "sensrvtypes.h"
+#include "sensrvclient.h"
+#include "sensrvchannellistener.h"
+#include "sensrvchannelchangehandlerobserver.h"
+
+class CSensrvChannelChangeHandler;
+
+
+/**
+ *  Sensor control for controlling and searching sensors
+ *
+ *  @lib SensrvClient.lib
+ *  @since S60 5.0
+ */
+
+NONSHARABLE_CLASS(CSensrvChannelFinderImpl) : public CSensrvChannelFinder, 
+                                              public MSensrvChannelChangeHandlerObserver
+    {
+
+    friend class CSensrvChannelFinder;
+    
+    public:
+    
+        /**
+        * Destructor.
+        */
+        virtual ~CSensrvChannelFinderImpl();
+        
+    public:
+      
+        /**
+        * Find channels which have properties given in the parameters
+        *
+        * @since S60 5.0
+        * @param aChannelList List of channel info objects
+        * @param aSearchConditions Search conditions for channels to be fetched
+        * @return void Description
+        */    
+         void FindChannelsL( RSensrvChannelInfoList& aChannelList, 
+                                      const TSensrvChannelInfo& aSearchConditions );
+                                      
+         /**
+        * Set channel listener. The channel listener may listen new channels installed to
+        * the system. If a new SSY is installed notification for each channel it provides is
+        * reveived.
+        *
+        * @since S60 5.0
+        * @param[in] aChannelListener Pointer to channel listener instance.
+        * @param[in] aSearchParameters Search parameters.
+        */
+        void SetChannelListenerL( MSensrvChannelListener* aChannelListener,
+                                  const TSensrvChannelInfo& aSearchParameters );
+
+    public:  // From MSensrvChannelChangeHandlerObserver
+    
+        /**
+        * Indicates channel availability change caused by installation or removal
+        * of new software. 
+        *
+        * @since S60 5.0
+        * @param[in] aDetectedChannel Channel information of the channel.
+        * @param[in] aChangeType If ESensrvChannelAdded, channel is a newly available
+        *                        channel. 
+        *                        If ESensrvChannelRemoved, channel was removed and is  
+        *                        no longer available.
+        */
+        virtual void ChannelChangeDetected( const TSensrvChannelInfo& aDetectedChannel,
+                                            TSensrvChannelChangeType aChangeType  );
+
+        /**
+        * Channel change listening failed.
+        * If error was fatal, sensor server session has also been terminated, and
+        * related finder is no longer usable.
+        * If error was minor, some notifications have potentially been lost.
+        *
+        * @since S60 5.0
+        * @param[in] aError Error code.
+        */
+        virtual void ChannelDetectionError( TSensrvErrorSeverity aError );    
+                 
+    private:
+     
+        /**
+        * C++ constructor
+        *
+        * @since S60 5.0
+        */
+         CSensrvChannelFinderImpl();
+     
+        /**
+        * 2nd phase of construction
+        *
+        * @since S60 5.0
+        */
+        void ConstructL();
+         
+    private:
+    
+        /**
+        * Sensor server client
+        */
+        RSensrvClient iSensrvClient;
+
+        /**
+        * Property handler
+        * Own         
+        */
+        CSensrvChannelChangeHandler* iChannelChangeHandler;
+
+        /**
+        * Property listener
+        * Not own         
+        */
+        MSensrvChannelListener* iChannelChangeListener;
+        
+    };
+
+
+#endif //SENSRVCHANNELFINDERIMPL_H
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