1 // Copyright (c) 2003-2009 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 "chttpcontentreader.h"

    17 #include "mhttpdatasender.h"

    18 

    19 const TInt KFileReadSize = 16 * 1024;

    20 

    21 CHttpFileReader* CHttpFileReader::New(RFile aFile, MHttpDataSender& aReceiver)

    22     {

    23     CHttpFileReader* self = new CHttpFileReader(aFile, aReceiver);

    24     if(self)

    25         {

    26         if(self->Construct() != KErrNone)

    27             {

    28             delete self;

    29             self = NULL;

    30             }

    31         }

    32     return self;

    33     }

    34 

    35 TInt CHttpFileReader::Construct()

    36     {   

    37     iFile.Size(iTotalSize);

    38     return iContentBuffer.Create(KFileReadSize);

    39     }

    40 

    41 CHttpFileReader::CHttpFileReader(RFile aFile, MHttpDataSender& aReceiver)

    42 : CActive(EPriorityStandard),

    43 iFile(aFile),

    44 iDataSender(aReceiver)

    45     {

    46     CActiveScheduler::Add(this);

    47     }

    48 CHttpFileReader::~CHttpFileReader()

    49     {

    50     Cancel();

    51     iContentBuffer.Close();

    52     }

    53 

    54 void CHttpFileReader::Read()

    55     {

    56     iContentBuffer.Zero();

    57     iFile.Read(iContentBuffer, iStatus);

    58     SetActive();

    59     }

    60 

    61 // From CActive

    62 void CHttpFileReader::RunL()

    63     {

    64     User::LeaveIfError(iStatus.Int());

    65     iReadBytes += iContentBuffer.Length();

    66     iDataSender.Notify(iContentBuffer, iReadBytes == iTotalSize);

    67     }

    68 

    69 void CHttpFileReader::DoCancel()

    70     {

    71     iFile.ReadCancel(iStatus);

    72     }

    73 

    74 TInt CHttpFileReader::RunError(TInt aError)

    75     {

    76     iDataSender.Error(aError);

    77     return KErrNone;

    78     }    

    79