contextframework/cfw/inc/basicoperationsplugin/cfandoperation.h
changeset 0 2e3d3ce01487
--- /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 <e32base.h>
+#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