1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <e32base.h>

    17 #include <s32buf.h>

    18 #include "urilistreadstream.h"

    19 #include "ineturilistsession.h"

    20 #include "ineturilistserver.h"

    21 

    22 

    23 CUriListReadStream* CUriListReadStream::NewL  ( RInetUriListSession& aSession, TInt aHandle )

    24 	{

    25 	CUriListReadStream* self = new (ELeave)CUriListReadStream (aSession, aHandle);

    26 	CleanupStack::PushL ( self );

    27 	self->ConstructL ();

    28 	CleanupStack::Pop ();

    29 	return self;

    30 	}

    31 

    32 CUriListReadStream::CUriListReadStream ( RInetUriListSession& aSession, TInt aHandle )

    33 : iListSession ( aSession ),

    34 iIpcBuffer ( NULL ),

    35 iHandle ( aHandle )

    36 	{

    37 		

    38 	}

    39 

    40 

    41 void CUriListReadStream::ConstructL ()

    42 	{

    43 	iIpcBuffer = CBufFlat::NewL ( KIpcDataSize );	

    44 	iIpcBuffer->ExpandL ( 0, KIpcDataSize );		

    45 	iReadStream.Open ( *iIpcBuffer );	// Open the stream

    46 	}

    47 

    48 /**

    49 Destructor.

    50 

    51 Closes the stream setup in the server

    52 */

    53 CUriListReadStream::~CUriListReadStream ()

    54 	{

    55 	// Delete the buffer

    56 	iReadStream.Close ();

    57 	delete iIpcBuffer;

    58 	iIpcBuffer = NULL;

    59 	iListSession.CloseSrvStream (iHandle);

    60 	

    61 	}

    62 	

    63 /**

    64 Reads the URI list from the server. The server stream handle is already setup.

    65 */

    66 TInt CUriListReadStream::ReadUriListL ()

    67 	{

    68 	// Reset the stream

    69 	ResetL ();

    70 	TPtr8 ptr ( iIpcBuffer->Ptr(0) );

    71 	TInt result = iListSession.ReadQueryResults ( iHandle, ptr );	

    72 	User::LeaveIfError ( result );

    73 	return result;

    74 	}

    75 

    76 /**

    77 Resets the position to the beginning of the stream

    78 */

    79 void CUriListReadStream::ResetL ()

    80 	{

    81 	MStreamBuf* srcStream = iReadStream.Source ();

    82 	srcStream->SeekL ( MStreamBuf::ERead, EStreamBeginning, 0 );

    83 	}

    84