--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/inc/basicoperationsplugin/cfcontextupdated.h	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,146 @@
+/*
+* 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:  CCFContextUpdated class declaration.
+*
+*/
+
+
+
+#ifndef C_CFCONTEXTUPDATED_H
+#define C_CFCONTEXTUPDATED_H
+
+// INCLUDES
+#include "cfcontextoperation.h"
+
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CCFContextObject;
+
+// CLASS DECLARATION
+
+/**
+*  This class implements ContextUpdated context object event.
+*
+*  @lib CFScriptEngine
+*  @since Series 60 2.6
+*/
+NONSHARABLE_CLASS( CCFContextUpdated ): public CCFContextOperation
+    {
+public: // Constructors and destructor
+
+    /**
+    * Two-phased constructor.
+    * @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 aValue is the expected value of the context object this operation
+    *   operates on. Use KNullDesC if no particular value is expected.
+    */
+    static CCFContextUpdated* NewL( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            const TDesC& aName,
+            const TDesC& aSource,
+            const TDesC& aValue );
+
+    /**
+    * Two-phased constructor that leaves the class into CleanupStack.
+    * @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 aValue is the expected value of the context object this operation
+    *   operates on. Use KNullDesC if no particular value is expected.
+    */
+    static CCFContextUpdated* NewLC( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            const TDesC& aName,
+            const TDesC& aSource,
+            const TDesC& aValue );
+
+    /**
+    * Creates and parses a CCFContextUpdated 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 CCFContextUpdated, or NULL if
+    *   the node is not this context updated node. May leave with any system
+    *   wide error code.
+    */
+    static CCFContextUpdated* ParseL( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            CMDXMLNode& aNode );
+
+    /**
+    * Destructor.
+    */
+    ~CCFContextUpdated();
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CCFContextUpdated( MCFOperationServices& aServices,
+            CCFOperationNode* aParent,
+            HBufC* aName,
+            HBufC* aSource );
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    * @param aValue is the expected value of the context object this operation
+    *   operates on. Use KNullDesC if no particular value is expected.
+    */
+    void ConstructL( const TDesC& aValue );
+
+protected: // From CFContextOperation
+
+    /**
+    * Tests if this listener requires notification of all contexts.
+    * @returns ETrue if this listener is interested in all contexts,
+    *   EFalse otherwise.
+    */
+    TBool IsAllRequired() const;
+
+    /**
+    * Evaluates a node with a context.
+    * @param aContext is the context for evaluation.
+    * @param aContextLevelDelay contains the context level delay defined by
+    *  contextRef after the call.
+    * @return ETrue if the operation was evaluated, EFalse otherwise.
+    */
+    virtual TBool Evaluate( const CCFContextObject& aContext,
+            TInt& aContextLevelDelay );
+
+    /**
+    * Method that returns whether or not this this operation is true.
+    * @returns ETrue if this operation is true, EFalse otherwise
+    */
+    TBool IsTrueL( const CCFContextObject& aContextObject );
+
+private: // Data
+
+    // Flag for context used with previous truth check (call to isTrueL),
+    // tells whether it was the referenced context or not.
+    TBool iPreviousTruthCheckWithReferencedContext;
+
+    // When set, the required context value for making the operation true.
+    HBufC* iCmpValue;
+    };
+
+#endif // C_CFCONTEXTUPDATED_H