sl@0: /*
sl@0: * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <s32strm.h>
sl@0: #include <caf/attributeset.h>
sl@0: #include <caf/caferr.h>
sl@0: 
sl@0: using namespace ContentAccess;
sl@0: 
sl@0: EXPORT_C RAttributeSet::RAttributeSet()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RAttributeSet::Close()
sl@0: 	{
sl@0: 	// Clean up array
sl@0: 	iAttributes.Reset();
sl@0: 	iAttributes.Close();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RAttributeSet::AddL(TInt aAttribute)
sl@0: 	{
sl@0: 	// Can't have duplicates so if the attribute already exists just reset its
sl@0: 	// value back to KErrCANotSupported
sl@0: 	if(SetValue(aAttribute, 0, KErrCANotSupported) != KErrNone)
sl@0: 		{
sl@0: 		// Doesn't exist so add it
sl@0: 		AddL(aAttribute, 0, KErrCANotSupported);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RAttributeSet::GetValue(TInt aAttribute, TInt& aValue) const
sl@0: 	{
sl@0: 	TInt i;
sl@0: 	TInt count = iAttributes.Count();
sl@0: 	for(i  = 0; i < count; i++)
sl@0: 		{
sl@0: 		if(iAttributes[i].iAttribute == aAttribute)
sl@0: 			{
sl@0: 			// Set the value and return the associated error code
sl@0: 			aValue = iAttributes[i].iValue;
sl@0: 			return iAttributes[i].iError;
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNotFound;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt RAttributeSet::SetValue(TInt aAttribute, TInt aValue, TInt aErrorCode)
sl@0: 	{
sl@0: 	TInt i;
sl@0: 	TInt count = iAttributes.Count();
sl@0: 	for(i  = 0; i < count; i++)
sl@0: 		{
sl@0: 		if(iAttributes[i].iAttribute == aAttribute)
sl@0: 			{
sl@0: 			iAttributes[i].iValue = aValue;
sl@0: 			iAttributes[i].iError = aErrorCode;
sl@0: 			return KErrNone;
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNotFound;
sl@0: 	}
sl@0: 		
sl@0: EXPORT_C TInt RAttributeSet::operator [] (TInt aIndex) const
sl@0: 		{
sl@0: 		return iAttributes[aIndex].iAttribute;
sl@0: 		}
sl@0: 
sl@0: EXPORT_C TInt RAttributeSet::Count() const
sl@0: 		{
sl@0: 		return iAttributes.Count();
sl@0: 		}
sl@0: 		
sl@0: EXPORT_C void RAttributeSet::ExternalizeL(RWriteStream& aStream) const
sl@0: 	{
sl@0: 	TInt i;
sl@0: 	TInt count = iAttributes.Count();
sl@0: 	aStream.WriteInt32L(count);
sl@0: 	for(i = 0; i < count; i++)
sl@0: 		{
sl@0: 		aStream.WriteInt32L(iAttributes[i].iAttribute);
sl@0: 		aStream.WriteInt32L(iAttributes[i].iValue);
sl@0: 		aStream.WriteInt32L(iAttributes[i].iError);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RAttributeSet::InternalizeL(RReadStream& aStream)
sl@0: 	{
sl@0: 	TInt i;
sl@0: 	TInt attribute;
sl@0: 	TInt value;
sl@0: 	TInt errorCode;
sl@0: 
sl@0: 	// Read the number of attributes to internalize
sl@0: 	TInt count = aStream.ReadInt32L();
sl@0: 	
sl@0: 	// loop through all the attributes
sl@0: 	for(i = 0; i < count; i++)
sl@0: 		{
sl@0: 		// Read the attribute and value from the stream
sl@0: 		attribute = aStream.ReadInt32L();
sl@0: 		value = aStream.ReadInt32L();
sl@0: 		errorCode = aStream.ReadInt32L();
sl@0: 		
sl@0: 		// try setting the attribute value first in case it already exists
sl@0: 		if(SetValue(attribute, value, errorCode) != KErrNone)
sl@0: 			{
sl@0: 			// Doesn't exist so set a new values
sl@0: 			AddL(attribute, value, errorCode);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void RAttributeSet::AddL(TInt aAttribute, TInt aValue, TInt aErrorCode)
sl@0: 	{
sl@0: 	TAttributeValue attribute;
sl@0: 	attribute.iAttribute = aAttribute;
sl@0: 	attribute.iValue = aValue;
sl@0: 	attribute.iError = aErrorCode;
sl@0: 		
sl@0: 	// Append the new values to the iAttributes array
sl@0: 	User::LeaveIfError(iAttributes.Append(attribute));
sl@0: 	}