usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/ActiveWriter.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/ActiveWriter.h Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,72 @@
+/*
+* Copyright (c) 1997-2009 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:
+*
+*/
+
+#ifndef __ACTIVEWRITER_H__
+#define __ACTIVEWRITER_H__
+
+#include <e32base.h>
+#include <d32usbc.h>
+
+class RDevUsbcClient;
+class MWriteObserver;
+
+NONSHARABLE_CLASS(CActiveWriter) : public CActive
+/**
+ * Active object to post write requests on the LDD.
+ */
+ {
+public:
+ static CActiveWriter* NewL(MWriteObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint);
+ ~CActiveWriter();
+
+public:
+ void Write(const TDesC8& aDes,
+ TInt aLen,
+ TBool aZlp);
+
+private:
+ CActiveWriter(MWriteObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint);
+
+private: // from CActive
+ virtual void DoCancel();
+ virtual void RunL();
+
+private: // unowned
+ MWriteObserver& iParent;
+ RDevUsbcClient& iLdd;
+
+private: // owned
+ TEndpointNumber iEndpoint;
+
+ enum TWritingState
+ {
+ EFirstMessagePart,
+ EFinalMessagePart,
+ ECompleteMessage,
+ };
+
+ enum
+ {
+ KMaxPacketSize = 64,
+ };
+
+ TWritingState iWritingState;
+ TPtrC8 iFirstPortion;
+ TPtrC8 iSecondPortion;
+ };
+
+#endif // __ACTIVEWRITER_H__