diff -r 000000000000 -r 2e3d3ce01487 contextframework/cfw/src/basicoperationsplugin/cfnotoperation.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/src/basicoperationsplugin/cfnotoperation.cpp	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,267 @@
+/*
+* Copyright (c) 2007-2008 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:  CCFNotOperation class implementation.
+*
+*/
+
+
+
+// INCLUDES
+#include "cfnotoperation.h"
+#include "cfbasicoptrace.h"
+
+#include <gmxmlnode.h>
+
+// CONSTANTS
+_LIT( KScriptNotName, "not" );
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::CCFNotOperation
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CCFNotOperation::CCFNotOperation( MCFOperationServices& aServices,
+    CCFOperationNode* aParent )
+    : CCFOperationNode( aServices, aParent )
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::ConstructL
+// Symbian 2nd phase constructor can leave.
+// ---------------------------------------------------------------------------
+//
+void CCFNotOperation::ConstructL()
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::NewL
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CCFNotOperation* CCFNotOperation::NewL( MCFOperationServices& aServices,
+    CCFOperationNode* aParent )
+    {
+    FUNC_LOG;
+
+    CCFNotOperation* self = NewLC( aServices, aParent );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::NewLC
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CCFNotOperation* CCFNotOperation::NewLC( MCFOperationServices& aServices,
+    CCFOperationNode* aParent )
+    {
+    FUNC_LOG;
+
+    CCFNotOperation* self = new( ELeave ) CCFNotOperation( aServices, aParent );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCFNotOperation::ParseL
+// Construction with parsing from a DOM node.
+// -----------------------------------------------------------------------------
+//
+CCFNotOperation* CCFNotOperation::ParseL( MCFOperationServices& aServices,
+    CCFOperationNode* aParent,
+    CMDXMLNode& aNode )
+    {
+    FUNC_LOG;
+
+    if ( aNode.NodeName().CompareF( KScriptNotName ) != 0 )
+        {
+        return NULL; // Cannot create and operation from the given node.
+        }
+
+    CCFNotOperation* self = NewLC( aServices, aParent );    // CLEANUP<< self
+
+    TBool unsupportedNode( EFalse );
+    CMDXMLNode* child = aNode.FirstChild();
+    while ( child )
+        {
+        if ( child->NodeType() == CMDXMLNode::EElementNode )
+            {
+            if ( self->iChild )
+                {
+                TPtrC nodeName( child->NodeName() );
+                INFO_1( "CCFNotOperation::ParseL - One child operation is allowed. [%S] is not supported",
+                        &nodeName );
+                unsupportedNode = ETrue;
+                break;
+                }
+            CCFOperationNode* op = self->iServices.ParseL( self, *child );
+            if ( op )
+                {
+                self->iChild = op;
+                }
+            else
+                {
+                unsupportedNode = ETrue;
+                break;
+                }
+            }
+        else if ( child->NodeType() != CMDXMLNode::ECommentNode )
+            {
+            unsupportedNode = ETrue;
+            break;
+            }
+        child = child->NextSibling();
+        }
+
+    CleanupStack::Pop( self );                              // CLEANUP<< self
+    if ( unsupportedNode || !self->iChild )
+        {
+        delete self; // Discard unsupported not operation.
+        self = NULL;
+
+        if ( unsupportedNode )
+            {
+            TPtrC nodeName( child->NodeName() );
+            INFO_1( "CCFNotOperation::ParseL - Unsupported node [%S]",
+                    &nodeName );
+            }
+        else
+            {
+            INFO( "CCFNotOperation::ParseL - No child defined" );
+            }
+        }
+
+    CREATE_DOM_INFO( self, aNode );
+
+    return self;
+    }
+
+
+// Destructor
+CCFNotOperation::~CCFNotOperation()
+    {
+    FUNC_LOG;
+
+    delete iChild;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::ActivateL
+// ---------------------------------------------------------------------------
+//
+void CCFNotOperation::ActivateL()
+    {
+    FUNC_LOG;
+
+    if ( iChild )
+        {
+        iChild->ActivateL();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::Deactivate
+// ---------------------------------------------------------------------------
+//
+void CCFNotOperation::Deactivate()
+    {
+    FUNC_LOG;
+
+    if ( iChild )
+        {
+        iChild->Deactivate();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::CheckSecurity
+// ---------------------------------------------------------------------------
+//
+TInt CCFNotOperation::CheckSecurity()
+    {
+    FUNC_LOG;
+
+    TInt err( KErrNone );
+    // Check security for context subscriptions.
+    if ( iChild )
+        {
+        err = iChild->CheckSecurity();
+        }
+
+    return err;
+    }
+
+// ---------------------------------------------------------------------------
+// CCFNotOperation::Evaluate
+// ---------------------------------------------------------------------------
+//
+void CCFNotOperation::Evaluate()
+    {
+    FUNC_LOG;
+
+    DOM_INFO( "CCFNotOperation::Evaluate" );
+
+    TCFConditionValue newValue( Value() );
+    if ( iChild )
+        {
+        newValue = iChild->Value();
+        }
+
+    if ( newValue == ECFConditionUndefined )
+        {
+        // Do nothing, not undefined = undefined.
+        }
+    else
+        {
+        newValue = ( TCFConditionValue )( !newValue );
+        }
+
+    if ( newValue != Value() )
+        {
+        INFO_1( "CCFNotOperation::Evaluate - Value changed to (-1=undefined, 0=false, 1=true): %d", newValue );
+
+        iValue = newValue;
+        if ( iParent )
+            {
+            iParent->Evaluate();
+            }
+        }
+    else
+        {
+        INFO_1( "CCFNotOperation::Evaluate - Value still (-1=undefined, 0=false, 1=true): %d", newValue );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCFNotOperation::Cleanup
+// -----------------------------------------------------------------------------
+//
+void CCFNotOperation::Cleanup()
+    {
+    FUNC_LOG;
+
+    if ( iChild )
+        {
+        iChild->Cleanup();
+        }
+    }