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/*
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* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Report base class implementation
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*
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*/
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#include <e32std.h>
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#include "hidtranslate.h"
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#include "hidreportroot.h"
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#include "hidinterfaces.h"
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TReportTranslator::TReportTranslator(
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const TDesC8& aData,
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const CField *aField)
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: iData(aData), iField(aField)
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{
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}
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// ---------------------------------------------------------------------------
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// GetValue()
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt TReportTranslator::GetValue(TInt& aValue, TInt aUsageId,
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TInt aControlOffset /*= 0*/) const
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{
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TInt usageIndex = 0;
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if ( iField && TReportUtils::GetIndexOfUsage(iField, aUsageId, usageIndex) )
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{
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if ( iField->IsArray() )
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{
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// Convert usage ID to logical value
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TInt logicalValue = usageIndex + iField->LogicalMin();
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// Find logical value in the array
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for ( TInt i = 0; i < iField->Count(); i++ )
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{
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TInt value = 0;
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TInt error = TReportUtils::ReadData(iData, iField, i, value);
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if ( KErrNone != error )
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{
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return error;
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}
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if ( value == logicalValue )
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{
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aValue = ETrue;
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return KErrNone;
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}
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}
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aValue = EFalse;
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return KErrNone;
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}
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else
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{
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return TReportUtils::ReadData(iData, iField, usageIndex + aControlOffset, aValue);
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}
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}
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return KErrUsageNotFound;
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}
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// ---------------------------------------------------------------------------
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// ValueL()
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt TReportTranslator::ValueL(TInt aUsageId,
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TInt aControlOffset /*= 0*/) const
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{
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TInt value = 0;
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User::LeaveIfError(GetValue(value, aUsageId, aControlOffset));
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return value;
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}
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// ---------------------------------------------------------------------------
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// GetUsageId()
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt TReportTranslator::GetUsageId(TInt& aUsageId, TInt aIndex) const
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{
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TInt logicalValue = 0;
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TInt error = KErrNoMemory;
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if ( iField )
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{
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error = TReportUtils::ReadData(iData, iField, aIndex, logicalValue);
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if ( KErrNone == error )
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{
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if ( iField->IsArray() )
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{
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// The logical value is a usage index
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aUsageId = TReportUtils::UsageAtIndex(iField, logicalValue -
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iField->LogicalMin());
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}
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else
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{
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// Treat the logical value as an on/off control for the usage
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aUsageId = ( logicalValue ) ? TReportUtils::UsageAtIndex(iField,
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aIndex) : 0;
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}
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}
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}
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return error;
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}
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// ---------------------------------------------------------------------------
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// GetUsageId()
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt TReportTranslator::UsageIdL(TInt aIndex) const
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{
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TInt usageId = 0;
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User::LeaveIfError(GetUsageId(usageId, aIndex));
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return usageId;
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}
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// ---------------------------------------------------------------------------
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// RawValueL()
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt TReportTranslator::RawValueL(TInt aIndex) const
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{
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TInt value = 0;
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User::LeaveIfNull(const_cast<CField*>(iField));
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User::LeaveIfError(TReportUtils::ReadData(iData, iField, aIndex, value));
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return value;
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}
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// ---------------------------------------------------------------------------
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// Count()
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt TReportTranslator::Count() const
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{
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TInt count = 0;
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if (iField)
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{
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count = iField->Count();
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}
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return count;
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}
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