diff -r a36b1e19a461 -r 989d2f495d90 serviceproviders/sapi_sensor/inc/sensorinterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_sensor/inc/sensorinterface.h	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,208 @@
+/*
+* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  Provides interface between the Liw FrameWork and Service Provider.
+*
+*/
+
+#ifndef C_CSENSORINTERFACE_H
+#define C_CSENSORINTERFACE_H
+
+#include <LiwVariant.h>
+#include <utf.h>
+
+// User Includes
+#include "sensorservice.hrh"
+#include "sensorinterface.hrh"
+#include "serviceerrno.h"
+// Forward Declarations
+class CSensorService;
+class CStoreAsyncInfo;
+
+/**
+ * CSensorInterface - Provides interface between the Liw FrameWork
+ * and Service Provider.
+ */
+class CSensorInterface : public CBase, public MLiwInterface
+{
+//enumerations for parameter indices.
+private:
+    enum TParamIndex
+    {
+    EParamIndex0 = 0,
+    EParamIndex1,
+    EParamIndex2,
+    EParamIndex3,
+    EParamIndex4
+    };
+public:// Construction and destruction
+    /**
+     * Two-phased constructor.
+     * @return CSensorInterface*
+     */
+    static CSensorInterface* NewL();
+    /**
+     * Destructor
+     */
+    virtual ~CSensorInterface();
+
+public:// General Methods
+
+    /**
+     * Returns the Corresponding Sapi Error Code.
+     * @param aError Descriptor specifying format of image
+     * @return SapiErrors.
+     */
+     static SapiErrors GetSapiErrorCode( TInt aError );
+
+private:
+    /**
+     * Default constructor.
+     */
+    CSensorInterface();
+    /**
+     * Symbian OS constructor.
+     * @return void
+     */
+    void ConstructL();
+    /**
+    * Executes the Commands passed by the user this method is called by the ExecuteCmdL method.
+    *
+    * @param aCmdName the name of the service command which the consumer wants to invoke
+    * @param aInParamList the input parameter list, can be empty list
+    * @param [in,out] aOutParamList the output parameter list.Return Code is
+    * passed through this list
+    * @param aCmdOptions Options for the command, see TLiwServiceCmdOptions in LiwCommon.hrh.
+    * @param aCallback callback to be registered by consumer application
+    *
+    *
+    *
+    * @see TLiwServiceCmdOptions
+    * @see CLiwGenericParamList
+    * @see MLiwNotifyCallback
+    *
+    */
+    void ExecuteServiceCommandL( const TDesC8& aCmdName,
+                                 const CLiwGenericParamList& aInParamList,
+                                 CLiwGenericParamList& aOutParamList,
+                                 TUint aCmdOptions = 0,
+                                 MLiwNotifyCallback* aCallback = 0 );
+    /**
+    * Extract Channel Information from input map
+    * @param aChannelInfo Refers to channel info where information about the channel
+    * will be extracted to.
+    * @param aChnlInfoMap refers to input map containing channel info
+    */
+
+    void GetChannelInfoL( TSensrvChannelInfo& aChannelInfo,
+                          const CLiwMap* aChnlInfoMap );
+
+    /**
+    * Returns Channel Property string from input property ID 
+    * @param aPropertyId Refers to channel property id enum
+    * @return Property Id string
+    */
+    TPtrC PropertyStrL( TSensrvPropertyId aPropertyId );
+
+    /**
+    * Returns Channel Property ID from input property ID string
+    * @param aPropertyIdStr Refers to channel property id string
+    * @return TSensrvPropertyId
+    */
+    TSensrvPropertyId PropertyIdInfoL( const TDesC& aPropertyIdStr );
+
+    /**
+    * Appends list of found channels to the out put parameter List
+    *
+    * @param aChannelInfoList: The List of channels found
+    * @param aList List which will be populated and appended to outputparamList
+    *
+    */
+    void AppendChannelInfoL( const RSensrvChannelInfoList& aChannelInfoList,
+                             CLiwDefaultList* aList );
+    
+    /**
+    * Appends list of found channel property to the out put parameter List
+    *
+    * @param aPropertyList: The List of channel property
+    * @param aMap Map which will be populated and appended to outputparamList
+    * @param aPropertyId Property id to be searched for
+    */
+    void AppendPropertyToMapL( const RSensrvPropertyList& aPropertyList,
+                               CLiwDefaultMap* aMap,
+                               const TUint aPropertyId );
+	/*
+	 * Function for validation of type of Input Containers
+	 */
+	void CheckInputTypeL( const TLiwVariant* aSource, 
+						  LIW::TVariantTypeId aExpectedtype,
+						  const TDesC8* aErrorArgument );
+		
+	/*
+	 * Function for validation of missing params in Input Containers
+	 */
+	void MissingValueL( const TDesC8* aErrorArgument );
+
+public:
+   /**
+    * provides a concrete implementation for the supported service
+    * command aCmdName.
+    *
+    * @param aCmdName the name of the service command which the consumer wants to invoke
+    * @param aInParamList the input parameter list, can be empty list
+    * @param [in,out] aOutParamList the output parameter list.Return Code is
+    * passed through this list
+    * @param aCmdOptions Options for the command, see TLiwServiceCmdOptions in LiwCommon.hrh.
+    * @param aCallback callback to be registered by consumer application
+    *
+    *
+    *
+    * @see TLiwServiceCmdOptions
+    * @see CLiwGenericParamList
+    * @see MLiwNotifyCallback
+    *
+    */
+    virtual void ExecuteCmdL( const TDesC8& aCmdName,
+                              const CLiwGenericParamList& aInParamList,
+                              CLiwGenericParamList& aOutParamList,
+                              TUint aCmdOptions = 0,
+                              MLiwNotifyCallback* aCallback = 0 );
+   /**
+    * provides a concrete implementation
+    * for this method.Deletes the interface handle.
+    * The consumer application should call this method if there
+    * are no more service commands to be executed on the interface.
+    *
+   */
+    virtual void Close();
+
+private:
+    
+    /**
+     * Sensor service implementation object.
+     */
+    CSensorService* iSensorService;
+    
+    /**
+     * Store Information about async calls
+     */
+    RPointerArray<CStoreAsyncInfo> iAsyncInfo;
+    
+    /**
+     * Holds the error string
+     */
+    HBufC16* iErrorString;
+
+};
+
+#endif // C_CSENSORINTERFACE_H