applayerprotocols/httpservice/src/chttpcontentreader.cpp
changeset 0 b16258d2340f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/applayerprotocols/httpservice/src/chttpcontentreader.cpp	Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,79 @@
+// Copyright (c) 2003-2009 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:
+//
+
+#include "chttpcontentreader.h"
+#include "mhttpdatasender.h"
+
+const TInt KFileReadSize = 16 * 1024;
+
+CHttpFileReader* CHttpFileReader::New(RFile aFile, MHttpDataSender& aReceiver)
+    {
+    CHttpFileReader* self = new CHttpFileReader(aFile, aReceiver);
+    if(self)
+        {
+        if(self->Construct() != KErrNone)
+            {
+            delete self;
+            self = NULL;
+            }
+        }
+    return self;
+    }
+
+TInt CHttpFileReader::Construct()
+    {   
+    iFile.Size(iTotalSize);
+    return iContentBuffer.Create(KFileReadSize);
+    }
+
+CHttpFileReader::CHttpFileReader(RFile aFile, MHttpDataSender& aReceiver)
+: CActive(EPriorityStandard),
+iFile(aFile),
+iDataSender(aReceiver)
+    {
+    CActiveScheduler::Add(this);
+    }
+CHttpFileReader::~CHttpFileReader()
+    {
+    Cancel();
+    iContentBuffer.Close();
+    }
+
+void CHttpFileReader::Read()
+    {
+    iContentBuffer.Zero();
+    iFile.Read(iContentBuffer, iStatus);
+    SetActive();
+    }
+
+// From CActive
+void CHttpFileReader::RunL()
+    {
+    User::LeaveIfError(iStatus.Int());
+    iReadBytes += iContentBuffer.Length();
+    iDataSender.Notify(iContentBuffer, iReadBytes == iTotalSize);
+    }
+
+void CHttpFileReader::DoCancel()
+    {
+    iFile.ReadCancel(iStatus);
+    }
+
+TInt CHttpFileReader::RunError(TInt aError)
+    {
+    iDataSender.Error(aError);
+    return KErrNone;
+    }    
+