--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/inc/basicoperationsplugin/cfinrange.h	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2004-2008 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:  CCFInRange class declaration. Currently supports the following
+*                (cep) types:
+*                                       "cep:int"
+*                                       "cep:string"
+*                                       "cep:double"
+*                                       "cep:position"
+*                                       "cep:date"
+*
+*/
+
+
+
+#ifndef C_CFINRANGE_H
+#define C_CFINRANGE_H
+
+
+// INCLUDES
+#include "cfcontextoperation.h"
+
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CCFContextObject;
+
+// CLASS DECLARATION
+
+/**
+*   This class implements InRange -operation on Context Framework Scripts.
+*
+*  @lib CFScriptEngine
+*  @since Series 60 2.6
+*/
+NONSHARABLE_CLASS( CCFInRange ): public CCFContextOperation
+    {
+public: // Constructors and destructor
+
+    /**
+    * Creates a CCFInRange object
+    * @param aServices is the operation services interface for nodes.
+    * @param aParent is parent node for this node.
+    * @param aName is name of the context object this operation operates on.
+    * @param aSource is the source of the context object this operation
+    *   operates on.
+    * @param aType is the interpretation of aCmpVal
+    * @param aMinVal is a string representation of the minimum comparison value
+    * @param aMinVal is a string representation of the maximum comparison value
+    * @return a pointer to the created instance of CCFInRange
+    */
+    static CCFInRange* NewL( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            TDesC& aName,
+            TDesC& aSource,
+            const CCFContextOperation::TCmpType aType,
+            const TDesC& aMinVal,
+            const TDesC& aMaxVal );
+
+    /**
+    * Creates a CCFInRange object
+    * @param aServices is the operation services interface for nodes.
+    * @param aParent is parent node for this node.
+    * @param aName is name of the context object this operation operates on.
+    * @param aSource is the source of the context object this operation
+    *   operates on.
+    * @param aType is the interpretation of aCmpVal
+    * @param aMinVal is a string representation of the minimum comparison value
+    * @param aMinVal is a string representation of the maximum comparison value
+    * @return a pointer to the created instance of CCFInRange
+    */
+    static CCFInRange* NewLC( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            TDesC& aName,
+            TDesC& aSource,
+            const CCFContextOperation::TCmpType aType,
+            const TDesC& aMinVal,
+            const TDesC& aMaxVal );
+
+    /**
+    * Creates and parses a CCFInRange instance from an xml node.
+    * @param aServices is the operation services interface for nodes.
+    * @param aParent is the parent of this node or NULL if this is a root.
+    *   The ownership of the parent is not transferred.
+    * @param aNode is the node to be parsed.
+    * @return a pointer to the created instance of CCFInRange, or NULL if the
+    *   node is not this in range node. May leave with any system wide error
+    *   code.
+    */
+    static CCFInRange* ParseL( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            CMDXMLNode& aNode );
+
+    /**
+    * Destructor.
+    */
+    ~CCFInRange();
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CCFInRange( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            HBufC* aName,
+            HBufC* aSource,
+            const CCFContextOperation::TCmpType aType );
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL( const TDesC& aMinVal, const TDesC& aMaxVal );
+
+protected: // From CCFContextOperation
+
+    /**
+    * Returns ETrue if this operation is true.
+    */
+    TBool IsTrueL( const CCFContextObject& aContextObject );
+
+private: // New functions
+
+    /**
+    * Method that takes two GPS positions as (latitude,longitude)-pairs
+    * (units==DEGREES) and calculates their ellipsoid distance.
+    * This is used in calculation of the value for cep:position types.
+    * NOTE: This algorithm can be found from the following book:
+    *       "Astronomical Algorithms" by Jean Meeus.
+    * @param aPos1Latitude latitude of point one in degrees.
+    * @param aPos1Longitude longitude of point one in degrees.
+    * @param aPos2Latitude latitude of point two in degrees.
+    * @param aPos2Longitude longitude of point two in degrees.
+    * @return calculated distance (in meters) if successful,
+    *   otherwise KErrGeneral.
+    */
+    TReal EllipsoidDistanceBetweenTwoPositions(
+            TReal aPos1Latitude, TReal aPos1Longitude,
+            TReal aPos2Latitude, TReal aPos2Longitude );
+
+private: // Data
+
+    CCFContextOperation::TCmpType iType;
+    HBufC*                        iMinVal;
+    HBufC*                        iMaxVal;
+    };
+
+#endif // C_CFINRANGE_H