--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/src/basicoperationsplugin/cfandoperation.cpp	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,271 @@
+/*
+* Copyright (c) 2002-2008 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.
+*
+*/
+
+
+
+// INCLUDES
+#include "cfandoperation.h"
+#include "cfbasicoptrace.h"
+
+#include <gmxmlnode.h>
+
+// CONSTANTS
+_LIT( KScriptAndName, "and" );
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::CCFAndOperation
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CCFAndOperation::CCFAndOperation( MCFOperationServices& aServices,
+    CCFOperationNode* aParent )
+    :   CCFOperationNode( aServices, aParent )
+    {
+    FUNC_LOG;
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CCFAndOperation::ConstructL()
+    {
+    FUNC_LOG;
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCFAndOperation* CCFAndOperation::NewL( MCFOperationServices& aServices,
+    CCFOperationNode* aParent )
+    {
+    FUNC_LOG;
+
+    CCFAndOperation* self = NewLC( aServices, aParent );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::NewLC
+// Two-phased constructor that leaves object to the cleanup stack.
+// -----------------------------------------------------------------------------
+//
+CCFAndOperation* CCFAndOperation::NewLC( MCFOperationServices& aServices,
+    CCFOperationNode* aParent )
+    {
+    FUNC_LOG;
+
+    CCFAndOperation* self = new( ELeave ) CCFAndOperation( aServices, aParent );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::ParseL
+// Construction with parsing from a DOM node.
+// -----------------------------------------------------------------------------
+//
+CCFAndOperation* CCFAndOperation::ParseL( MCFOperationServices& aServices,
+    CCFOperationNode* aParent,
+    CMDXMLNode& aNode )
+    {
+    FUNC_LOG;
+
+    if ( aNode.NodeName().CompareF( KScriptAndName ) != 0 )
+        {
+        return NULL; // Cannot create and operation from the given node.
+        }
+
+    CCFAndOperation* self = NewLC( aServices, aParent );    // CLEANUP<< self
+
+    TBool unsupportedNode( EFalse );
+    CMDXMLNode* child = aNode.FirstChild();
+    while ( child )
+        {
+        if ( child->NodeType() == CMDXMLNode::EElementNode )
+            {
+            CCFOperationNode* op = self->iServices.ParseL( self, *child );
+            if ( op )
+                {
+                self->iChildren.AppendL( 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->iChildren.Count() )
+        {
+        delete self; // Discard unsupported and operation.
+        self = NULL;
+
+        if ( unsupportedNode )
+            {
+            TPtrC nodeName( child->NodeName() );
+            INFO_1( "CCFAndOperation::ParseL - Unsupported node [%S]",
+                    &nodeName );
+            }
+        else
+            {
+            INFO( "CCFAndOperation::ParseL - No children" );
+            }
+        }
+
+    CREATE_DOM_INFO( self, aNode );
+
+    return self;
+    }
+
+
+// Destructor
+CCFAndOperation::~CCFAndOperation()
+    {
+    FUNC_LOG;
+
+    iChildren.ResetAndDestroy();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCFAndOperation::ActivateL
+// ---------------------------------------------------------------------------
+//
+void CCFAndOperation::ActivateL()
+    {
+    FUNC_LOG;
+
+    for ( TInt i = 0; i < iChildren.Count(); ++i )
+        {
+        iChildren[ i ]->ActivateL();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CCFAndOperation::Deactivate
+// ---------------------------------------------------------------------------
+//
+void CCFAndOperation::Deactivate()
+    {
+    FUNC_LOG;
+
+    for ( TInt i = 0; i < iChildren.Count(); ++i )
+        {
+        iChildren[ i ]->Deactivate();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CCFAndOperation::CheckSecurity
+// ---------------------------------------------------------------------------
+//
+TInt CCFAndOperation::CheckSecurity()
+    {
+    FUNC_LOG;
+
+    for ( TInt i = 0; i < iChildren.Count(); ++i )
+        {
+        TInt err = iChildren[ i ]->CheckSecurity();
+        if ( err != KErrNone )
+            {
+            return err;
+            }
+        }
+
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::Evaluate
+// -----------------------------------------------------------------------------
+//
+void CCFAndOperation::Evaluate()
+    {
+    FUNC_LOG;
+
+    DOM_INFO( "CCFAndOperation::Evaluate" );
+
+    // get the value of the condition
+    TCFConditionValue newValue = Value();
+    TBool branchUndefined = EFalse;
+
+    // iterate through all the children
+    for ( TInt i = 0; i < iChildren.Count(); ++i )
+        {
+        // get the child's value
+        newValue = iChildren[ i ]->Value();
+        if ( !newValue )
+            {
+            break;
+            }
+        else if ( newValue == ECFConditionUndefined )
+            {
+            branchUndefined = ETrue;
+            }
+        }
+
+    if ( branchUndefined && newValue == ECFConditionTrue )
+        {
+        newValue = ECFConditionUndefined;
+        }
+
+    if ( newValue != Value() )
+        {
+        INFO_1( "CCFAndOperation::Evaluate - Value changed to (-1=undefined, 0=false, 1=true): %d", newValue );
+
+        iValue = newValue;
+        if ( iParent )
+            {
+            // Recursion here; hopefully tree not deep
+            iParent->Evaluate();
+            }
+        }
+    else
+        {
+        INFO_1( "CCFAndOperation::Evaluate - Value still (-1=undefined, 0=false, 1=true): %d", newValue );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAndOperation::Cleanup
+// -----------------------------------------------------------------------------
+//
+void CCFAndOperation::Cleanup()
+    {
+    FUNC_LOG;
+
+    for ( TInt i = 0; i < iChildren.Count(); ++i )
+        {
+        iChildren[ i ]->Cleanup();
+        }
+    }