diff -r 453dfc402455 -r 0aa8cc770c8a mtpdataproviders/mtppictbridgedp/pictbridgeengine/inc/dpsusbnotifier.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtppictbridgedp/pictbridgeengine/inc/dpsusbnotifier.h	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2006, 2007 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:  This class implements functions of set ptp personality, the 
+*                notification of the PTP printer connection and the
+*				 notification of the PTP printer disconnection. 
+*
+*/
+
+
+#ifndef DPSUSBNOTIFIER_H
+#define DPSUSBNOTIFIER_H
+
+#include <e32base.h>
+#include <usbstates.h>
+#include "pictbridge.h"
+#include <usbman.h>
+#include <usbwatcher.h>
+
+class CDpsPtpNotifier;
+class CDpsConnectNotifier;
+class CDpsPersonalityWatcher;
+
+/**
+*   Class for monitoring the usb personality change and cable 
+*   connection/disconnectin
+*/
+NONSHARABLE_CLASS(CDpsUsbNotifier) : public CActive
+    {
+    friend class CDpsPtpNotifier;
+    friend class CDpsConnectNotifier;
+    friend class CDpsPersonalityWatcher;
+	
+    public:
+        /**
+        *   Two phase constructor
+        *   @param aEngine the pointer to the dps engine object
+        *   @param the CDpsUsbNotifier instance 
+        */
+        static CDpsUsbNotifier* NewL(CDpsEngine* aEngine);
+		
+        /**
+        *   Destructor
+        */
+        ~CDpsUsbNotifier();
+		
+        /**
+        *   Issues the request for printer connection notification
+        */
+        void WaitForPrinterNotify();
+		
+        /**
+        *   Cancels the request for printer connection notification
+        */
+        void CancelPrinterNotify();
+		
+        /**
+        *   Issues the request for printer connect/disconnect notification
+        */
+        void ConnectNotify();
+		
+		/**
+		*   @return TBool Checks if the PTP printer is connected
+		*/		
+	    TBool IsConfigured() const;
+	    
+	    /**
+	    *
+	    */
+	    TBool IsSetPrintModeIssued();
+	    
+    private:
+        /**
+        *   Second phase constructor
+        */
+        void ConstructL();
+		
+        /**
+        *   Default constructor
+        *   @param aEngine the pointer to the dps engine
+        */
+        CDpsUsbNotifier(CDpsEngine *aEngine);
+		
+        /**
+        *   Called by PtpNotifier to indicate a ptp printer/pc is connected
+        */
+        void PtpNotify(TInt aErr);
+		
+		/**
+		*
+		*/
+		void PersonalityChanged();
+		
+        /**
+        *   Called by ConnectNotifier to indeicate the cable disconnect
+        */
+        void DisconnectNotify(TUsbDeviceState aState);
+		
+        /**
+        *   Updates the current device state
+        *   @return ETrue if OK, EFalse if failed
+        */
+        TInt ConnectState();
+		        
+        /**
+        *   Changes back to the previous personality       
+        */
+        void Rollback();
+        
+    private: // from CActive		
+        /**
+        *   @See CActive::RunL
+        */
+        void RunL();
+		
+        /**
+        *   @See CActive::RunError
+        */
+        TInt RunError(TInt aErr);
+		
+        /**
+        *   @See CActive::DoCancel
+        */
+        void DoCancel();
+		
+    private:
+        // not owned by this class
+        CDpsEngine* iEngine;
+        // owned by this class
+        CDpsPtpNotifier* iPtpP;
+        // owned by this class
+        CDpsConnectNotifier* iConnectP;
+        // owned by this class
+        CDpsPersonalityWatcher* iPersonalityWatcher;
+        TInt	iPersonality;
+        TUsbDeviceState iConnectState;
+        // indication of whether the PTP printer has connected
+        TBool iConfigured;	
+        CDpsEngine::TConnectionStatus iConnection;	
+        // owned by this class
+        RUsbWatcher iUsbW;
+        // owned by this class
+        RUsb    iUsbM;
+        // if rollback to previous personality is needed when application quits
+        TBool iRollback;
+    };
+
+#endif