diff -r 000000000000 -r 2e3d3ce01487 contextframework/cfw/inc/basicoperationsplugin/cfandoperation.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/contextframework/cfw/inc/basicoperationsplugin/cfandoperation.h Tue Feb 02 10:12:00 2010 +0200 @@ -0,0 +1,126 @@ +/* +* 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: Class that defines logical AND operation in an XML tree. +* +*/ + + + +#ifndef C_CFANDOPERATION_H +#define C_CFANDOPERATION_H + +// INCLUDES +#include +#include "cfoperationnode.h" + +// CLASS DECLARATION + +/** +* Concrete class for inner nodes. Represents a boolean AND operation. +* +* @lib CFScriptEngine +* @since Series 60 2.6 +*/ +NONSHARABLE_CLASS( CCFAndOperation ): public CCFOperationNode + { +public: // Constructors and destructor + + /** + * Two-phased constructor. + * @param aServices is the operation services interface for nodes. + * @param aParent parent of this node or NULL if this is a root. + */ + static CCFAndOperation* NewL( MCFOperationServices& aServices, + CCFOperationNode* aParent ); + + /** + * Two-phased constructor that leaves the class into CleanupStack. + * @param aServices is the operation services interface for nodes. + * @param aParent parent of this node or NULL if this is a root. + */ + static CCFAndOperation* NewLC( MCFOperationServices& aServices, + CCFOperationNode* aParent ); + + /** + * Creates and parses a CCFAndOperation 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 CCFAndOperation, or NULL + * if the node is not this and node. May leave with any system wide + * error code. + */ + static CCFAndOperation* ParseL( MCFOperationServices& aServices, + CCFOperationNode* aParent, + CMDXMLNode& aNode ); + + /** + * Destructor. + */ + ~CCFAndOperation(); + +protected: // Functions from CCFOperationNode + + /** + * Activates this node by passing the activate call to its' children. + */ + void ActivateL(); + + /** + * Deactivates this node by passing the deactivate call to its' children. + */ + void Deactivate(); + + /** + * Asks this node to check its security (via services interface). For + * example, the security of contexts to be subscribed. + * @return KErrNone if security check passed, otherwise any of the system + * wide error codes. + */ + TInt CheckSecurity(); + + /** + * Evaluates the AND operation. + */ + void Evaluate(); + + /** + * Cleanup long term resources like persistent data files. + * This is called by the context framework when the script is uninstalled + * from the system. + */ + void Cleanup(); + +private: + + /** + * C++ default constructor. + */ + CCFAndOperation( MCFOperationServices& aServices, + CCFOperationNode* aParent ); + + /** + * By default Symbian 2nd phase constructor is private. + */ + void ConstructL(); + +private: // Data + + // Node children. + RPointerArray< CCFOperationNode > iChildren; + }; + + +#endif // C_CFANDOPERATION_H