/*
* 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: CCFIfClause class implementation.
*
*/
// INCLUDE FILES
#include "cfifclause.h"
#include "cfscriptaction.h"
#include "cfbasicoptrace.h"
#include <gmxmlnode.h>
// CONSTANTS
_LIT( KScriptIfName16, "if" );
_LIT( KScriptActionsName16, "actions" );
// ============================ MEMBER FUNCTIONS ===============================
// -----------------------------------------------------------------------------
// CCFIfClause::CCFIfClause
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CCFIfClause::CCFIfClause( MCFOperationServices& aServices,
CCFOperationNode* aParent )
: CCFClauseNode( aServices, aParent )
{
FUNC_LOG;
}
// -----------------------------------------------------------------------------
// CCFIfClause::ConstructL
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CCFIfClause::ConstructL()
{
FUNC_LOG;
}
// -----------------------------------------------------------------------------
// CCFIfClause::NewL
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CCFIfClause* CCFIfClause::NewL( MCFOperationServices& aServices,
CCFOperationNode* aParent )
{
FUNC_LOG;
CCFIfClause* self = NewLC( aServices, aParent );
CleanupStack::Pop( self );
return self;
}
// -----------------------------------------------------------------------------
// CCFIfClause::NewLC
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CCFIfClause* CCFIfClause::NewLC( MCFOperationServices& aServices,
CCFOperationNode* aParent )
{
FUNC_LOG;
CCFIfClause* self = new( ELeave ) CCFIfClause( aServices, aParent );
CleanupStack::PushL( self );
self->ConstructL();
return self;
}
// -----------------------------------------------------------------------------
// CCFIfClause::ParseL
// Construction with parsing from a DOM node.
// -----------------------------------------------------------------------------
//
CCFIfClause* CCFIfClause::ParseL( MCFOperationServices& aServices,
CCFOperationNode* aParent,
CMDXMLNode& aNode )
{
FUNC_LOG;
if ( aNode.NodeName().CompareF( KScriptIfName16 ) != 0 )
{
return NULL; // Cannot create if clause from the given node.
}
CCFIfClause* self = NewLC( aServices, aParent ); // CLEANUP<< self
// Parse children.
TBool unsupportedNode( EFalse );
TBool actionsParsed( EFalse );
CMDXMLNode* child = aNode.FirstChild();
while ( child )
{
if ( child->NodeType() == CMDXMLNode::EElementNode )
{
if ( child->NodeName().CompareF( KScriptActionsName16 ) == 0 )
{
if ( actionsParsed )
{
INFO( "CCFIfClause::ParseL - Redefinition not allowed, actions already parsed" );
unsupportedNode = ETrue;
break;
}
self->ParseActionsL( *child, self->iActions );
actionsParsed = ETrue;
}
else
{
if ( self->iChild )
{
TPtrC nodeName( child->NodeName() );
INFO_1( "CCFIfClause::ParseL - One child operation is allowed. [%S] is not supported",
&nodeName );
unsupportedNode = ETrue; // Already parsed the child.
break;
}
CCFOperationNode* op = self->iServices.ParseL( self, *child );
if ( op )
{
self->iChild = op;
}
else
{
TPtrC nodeName( child->NodeName() );
INFO_1( "CCFIfClause::ParseL - Unsupported node [%S]",
&nodeName );
unsupportedNode = ETrue;
break;
}
}
}
else if ( child->NodeType() != CMDXMLNode::ECommentNode )
{
TPtrC nodeName( child->NodeName() );
INFO_1( "CCFIfClause::ParseL - Unsupported node [%S]",
&nodeName );
unsupportedNode = ETrue;
break;
}
child = child->NextSibling();
}
CleanupStack::Pop( self ); // CLEANUP>> self
if ( !self->iChild || unsupportedNode )
{
INFO( "CCFIfClause::ParseL - No child operation defined or unsupported node" );
delete self; // Discard unsupported if clause.
self = NULL;
}
CREATE_DOM_INFO( self, aNode );
return self;
}
// Destructor
CCFIfClause::~CCFIfClause()
{
FUNC_LOG;
delete iChild;
iActions.ResetAndDestroy();
}
// -----------------------------------------------------------------------------
// CCFIfClause::FireActionsL
// -----------------------------------------------------------------------------
//
void CCFIfClause::FireActionsL()
{
FUNC_LOG;
ACTION_INFO_2( "Firing [%d] IF-actions for script ID=[%d]",
iActions.Count(),
iServices.ScriptId() );
for ( TInt i = 0; i < iActions.Count(); ++i )
{
iActions[ i ]->ActL();
}
}
// ---------------------------------------------------------------------------
// CCFIfClause::ActivateL
// ---------------------------------------------------------------------------
//
void CCFIfClause::ActivateL()
{
FUNC_LOG;
if ( iChild )
{
iChild->ActivateL();
}
}
// ---------------------------------------------------------------------------
// CCFIfClause::Deactivate
// ---------------------------------------------------------------------------
//
void CCFIfClause::Deactivate()
{
FUNC_LOG;
if ( iChild )
{
iChild->Deactivate();
}
}
// ---------------------------------------------------------------------------
// CCFIfClause::CheckSecurity
// ---------------------------------------------------------------------------
//
TInt CCFIfClause::CheckSecurity()
{
FUNC_LOG;
TInt err( KErrNone );
// Check security for context subscriptions.
if ( iChild )
{
err = iChild->CheckSecurity();
if ( err != KErrNone )
{
ERROR( err, "CCFIfClause::CheckSecurity - Context read security check failed!" );
return err;
}
}
// Check security for actions.
for ( TInt i = 0; i < iActions.Count(); ++i )
{
TSecurityPolicy securityPolicy;
TInt err = iActions[ i ]->GetSecurityPolicy( securityPolicy );
if ( err != KErrNone )
{
ERROR( err, "CCFIfClause::CheckSecurity - Getting action security policy failed!" );
return err;
}
err = iServices.CheckScriptOwnerAccess( securityPolicy );
if ( err != KErrNone )
{
ERROR( err, "CCFIfClause::CheckSecurity - Checking action security policy failed!" );
return err;
}
}
return KErrNone;
}
// -----------------------------------------------------------------------------
// CCFIfClause::Evaluate
// -----------------------------------------------------------------------------
//
void CCFIfClause::Evaluate()
{
FUNC_LOG;
DOM_INFO( "CCFIfClause::Evaluate" );
if ( iChild )
{
// If clause has a root condition.
TCFConditionValue newValue = iChild->Value();
if ( newValue != Value() )
{
INFO_1( "CCFIfClause::Evaluate - Value changed to (-1=undefined, 0=false, 1=true): %d", newValue );
iValue = newValue;
if ( iParent )
{
iParent->Evaluate();
}
}
else
{
INFO_1( "CCFIfClause::Evaluate - Value still (-1=undefined, 0=false, 1=true): %d", newValue );
}
}
}
// -----------------------------------------------------------------------------
// CCFIfClause::Cleanup
// -----------------------------------------------------------------------------
//
void CCFIfClause::Cleanup()
{
FUNC_LOG;
if ( iChild )
{
iChild->Cleanup();
}
}