diff -r 000000000000 -r 4e1aa6a622a0 sensorservices/sensorserver/src/util/sensrvchannelconditionimpl.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sensorservices/sensorserver/src/util/sensrvchannelconditionimpl.cpp Tue Feb 02 00:53:00 2010 +0200 @@ -0,0 +1,146 @@ +/* +* Copyright (c) 2006 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: Channel condition object implementation. +* +*/ + + +#include "sensrvchannelconditionimpl.h" +#include "sensrvtrace.h" + + +// --------------------------------------------------------------------------- +// C++ constructor +// --------------------------------------------------------------------------- +// +CSensrvChannelConditionImpl::CSensrvChannelConditionImpl + ( TInt aConditionType, + TInt aConditionOperator, + TInt aItemIndex ) + : iType(aConditionType), + iOperator(aConditionOperator), + iIndex(aItemIndex) + { + } + + +// --------------------------------------------------------------------------- +// 2nd phase of construction +// --------------------------------------------------------------------------- +// +void CSensrvChannelConditionImpl::ConstructL(TDesC8& aValue) + { + COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionImpl::ConstructL()" ) ) ); + + // Check parameters + // Note: Type and operator are not checked for being one of the + // predefined ones, as it is possible that some channels + // require custom condition types or operations. + if ( + // Single limit condition cannot have binary operators + ( iType == ESensrvSingleLimitCondition + && ( iOperator == ESensrvOperatorBinaryAnd + || iOperator == ESensrvOperatorBinaryAll ) ) + // Range conditions cannot have equals or binary operators + || ( ( iType == ESensrvRangeConditionLowerLimit + || iType == ESensrvRangeConditionUpperLimit ) + && ( iOperator == ESensrvOperatorEquals + || iOperator == ESensrvOperatorBinaryAnd + || iOperator == ESensrvOperatorBinaryAll ) ) + // Binary condition cannot have >, <, >= or <= operatios + || ( ( iType == ESensrvBinaryCondition ) + && ( iOperator == ESensrvOperatorGreaterThan + || iOperator == ESensrvOperatorGreaterThanOrEquals + || iOperator == ESensrvOperatorLessThan + || iOperator == ESensrvOperatorLessThanOrEquals ) ) + // Value must not be zero length + || !aValue.Length() + ) + { + User::Leave(KErrArgument); + } + + iValue = aValue.AllocL(); + } + + +// --------------------------------------------------------------------------- +// Destructor +// --------------------------------------------------------------------------- +// +CSensrvChannelConditionImpl::~CSensrvChannelConditionImpl() + { + COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionImpl::~CSensrvChannelConditionImpl()" ) ) ); + + delete iValue; + } + +// --------------------------------------------------------------------------- +// Return condition type +// --------------------------------------------------------------------------- +// +TInt CSensrvChannelConditionImpl::ConditionType() const + { + return iType; + } + +// --------------------------------------------------------------------------- +// Return condition operator +// --------------------------------------------------------------------------- +// +TInt CSensrvChannelConditionImpl::ConditionOperator() const + { + return iOperator; + } + +// --------------------------------------------------------------------------- +// Return condition item index +// --------------------------------------------------------------------------- +// +TInt CSensrvChannelConditionImpl::ConditionItemIndex() const + { + return iIndex; + } + +// --------------------------------------------------------------------------- +// Return condition value as paramater +// --------------------------------------------------------------------------- +// +TInt CSensrvChannelConditionImpl::GetConditionValue(TDes8& aValue) const + { + TInt err( KErrNone ); + + if( aValue.Length() < iValue->Length() ) + { + // aValue is too small + err = KErrOverflow; + } + else + { + // Set return value + TUint8* ptr = const_cast( iValue->Des().Ptr() ); + aValue.Copy( ptr, iValue->Length() ); + } + + return err; + } + +// --------------------------------------------------------------------------- +// Condition value as reference +// --------------------------------------------------------------------------- +// +const TDesC8& CSensrvChannelConditionImpl::ConditionValue() const + { + return *iValue; + }