--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbservices_plat/ptp_transport_api/inc/ptptransport.h	Fri Jun 04 10:27:39 2010 +0100
@@ -0,0 +1,129 @@
+/*
+* Copyright (c) 2006 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:  PTP tranport plugin interface API
+*
+*/
+
+
+
+#ifndef PTP_TRANSPORT_H
+#define PTP_TRANSPORT_H
+
+
+// INCLUDES
+#include <e32base.h>
+
+class MNPtpCallback;
+const TUid KPtpTransportInterfaceUid = { 0x1020E46C };
+
+// Dataset to send/receive operations, responses and events.
+class TNPtpContainer
+	{
+	public:
+	TUint16 iOperationCode;
+	TUint16 iResponseCode;
+	TUint32 iSessionId; 
+	TUint32 iTransactionId;
+	TUint32 iParam1;
+	TUint32 iParam2;
+	TUint32 iParam3;
+	// events can only have three parameters.
+	TUint32 iParam4;
+	TUint32 iParam5;
+	}; 
+
+// CLASS DECLARATION
+
+// ------------------------------------------------------------------------------------------------
+// PTPTransport ECOM plugin interface.
+// This is the plugin interface that each plugin module must implement to provide a PTP transport
+// layer interface. Currently only USB media is supported, but each created plugin module must 
+// implement this interface.
+// 
+//  @lib ptptransport.lib
+// ------------------------------------------------------------------------------------------------
+
+class CNPtpTransport : public CBase 
+    {
+
+public:	// Constructors and destructor
+
+	/**
+    * C++ Consructor.
+    */
+	IMPORT_C CNPtpTransport();
+    /**
+    * Destructor.
+    */
+	IMPORT_C ~CNPtpTransport();
+		
+	/**
+    * Two-phased constructor.
+    */	
+	IMPORT_C static CNPtpTransport* NewL( const TUid aTransport, MNPtpCallback* aCallback );		
+				
+public:	// API
+
+	/**
+	* Connects the client transport interface with the "Host".
+	* Can be used with Bluetooth or TCP/IP transport plugin adapters in the future,
+	* USB plugin (SICD) does not need a separate connection because it is created
+	* when the USB cable is attached to the device.
+	* @since S60 3.2
+	* @return None.
+	*/	
+	IMPORT_C void ConnectL( ); 
+
+	/**
+	* Disconnects the client transport interface with the "Host".
+	* Can be used with Bluetooth or TCP/IP transport plugin adapters in the future,
+	* USB media disconnection is not needed. The connection may exists until
+	* SICD component is deleted or cable is unattached.
+	* @since S60 3.2
+	* @return None.
+	*/	
+	IMPORT_C void DisconnectL();
+	
+	/**
+	* Sends an PTP event to the connected "Host". Particulary used with USB media.
+	* @param aStatus, Asynchronous completion word for the operation.
+	* @param aEventData, PTP container containing all the information for the event.
+	* @since S60 3.2
+	* @return None.
+	*/
+	IMPORT_C void SendEventL( TRequestStatus& aStatus, const TNPtpContainer& aEventData );
+	
+    /**
+   	* Cancels the asynchronous event sending operation.
+	* @since S60 3.2
+	* @return none    	
+    */	
+	IMPORT_C void CancelEvent();
+
+protected:
+
+	// hide the virtual methods from the public interface to enable future extension without breaking BC
+	virtual void DoConnectL() = 0;
+	virtual void DoDisconnectL() = 0;
+	virtual void DoSendEventL( TRequestStatus& aStatus, const TNPtpContainer& aEventData ) = 0;
+	virtual void DoCancelEvent() = 0;
+	
+private:
+	TUid iEComTag;
+    };
+
+
+void CleanupEComArray(TAny* aArray);
+
+#endif // PTP_TRANSPORT_H
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