/*

* Copyright (c) 2002-2006 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: 

*     CVRUSBStateHanlder implementation

*

*

*/

// INCLUDES

#include <e32cmn.h>

#include <usbpersonalityids.h>

#include <e32property.h> 

#include <UsbWatcherInternalPSKeys.h>

#include <usbpersonalityids.h>

#include <AknWaitDialog.h>

#include <eikenv.h> 

#include "VRUSBStateHanlder.h"

#include "CVRRecView.h"

CVRUSBStateHanlder::CVRUSBStateHanlder(MVRUSBStateObserver* aObserver) :

    CActive(EPriorityStandard), // Standard priority

            iObserver(aObserver),

            iConnectionStatus(EStateUninitialized)

    {

    }

EXPORT_C CVRUSBStateHanlder* CVRUSBStateHanlder::NewL(

        MVRUSBStateObserver* aObserver)

    {

    CVRUSBStateHanlder* self = new (ELeave) CVRUSBStateHanlder(aObserver);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(); // self;

    return self;

    }

void CVRUSBStateHanlder::ConstructL()

    {

#ifdef DUMMY_USB_TESTING 

    User::LeaveIfError(iTimer.CreateLocal()); // Initialize timer

#else

    iProperty.Attach(KPSUidUsbWatcher, KUsbWatcherSelectedPersonality);

#endif

    CActiveScheduler::Add(this); // Add to scheduler    

    StartL();

    }

CVRUSBStateHanlder::~CVRUSBStateHanlder()

    {

    Cancel(); // Cancel any request, if outstanding

#ifdef DUMMY_USB_TESTING   

    iTimer.Close();

#else      

    iProperty.Close();

#endif     

    }

void CVRUSBStateHanlder::DoCancel()

    {

#ifdef DUMMY_USB_TESTING   

    iTimer.Cancel();

#else      

    iProperty.Cancel();

#endif  

    }

void CVRUSBStateHanlder::StartL()

    {

    Cancel(); // Cancel any request, just to be sure

#ifdef DUMMY_USB_TESTING

    iTimer.After(iStatus, 10000000); // Set for later

    SetActive(); // Tell scheduler a request is active   

#else   

    SetActive();

    iProperty.Subscribe(iStatus);

#endif

    }

void CVRUSBStateHanlder::RunL()

    {

#ifdef DUMMY_USB_TESTING

    CDummyUSBState::HandleUSBEventL();

#else

    StartL();

#endif

    TBool isUsbActive (IsUsbActive());

    if (isUsbActive)

        {

        if(iConnectionStatus != EStateConnected)

            {

            iObserver->HandleUsbPlugInL();

            iConnectionStatus = EStateConnected;

            }

        }

    else

        {

        if(iConnectionStatus != EStateDisConnected)

            {

            iObserver->HandleUsbPlugOutL();

            iConnectionStatus = EStateDisConnected;

            } 

        }

#ifdef DUMMY_USB_TESTING    

    //    iStatus = KRequestPending;

    SetActive(); // Tell scheduler a request is active    

    iTimer.After(iStatus, 10000000); // Set for later

#endif

    }

TInt CVRUSBStateHanlder::RunError(TInt aError)

    {

    return aError;

    }

EXPORT_C TBool CVRUSBStateHanlder::IsUsbActive()

    {

#ifdef DUMMY_USB_TESTING

    //dummy

    return CDummyUSBState::IsUSBActive();

#else

    TInt usbState;

    TInt err = RProperty::Get(KPSUidUsbWatcher,

            KUsbWatcherSelectedPersonality, usbState);

    if (KErrNone == err && KUsbPersonalityIdMS == usbState)

        {

        return true;

        }

    else

        {

        return false;

        }

#endif

    }