/*
* Copyright (c) 2008-2009 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:
* Talks directly to the USB Logical Device Driver (LDD) and
* watches any state changes
*
*/
/**
@file
*/
#include "otgstatewatcher.h"
COtgStateWatcher* COtgStateWatcher::NewL(MOtgPropertiesObserver* aObserver)
{
COtgStateWatcher* self = new(ELeave) COtgStateWatcher(aObserver);
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop(self);
return self;
}
COtgStateWatcher::~COtgStateWatcher()
{
Cancel();
iOtgStateProp.Close();
}
COtgStateWatcher::COtgStateWatcher(MOtgPropertiesObserver* aObserver)
: CActive(EPriorityStandard)
, iObserver(aObserver)
, iOtgState(EUsbOtgStateReset)
{
CActiveScheduler::Add(this);
}
void COtgStateWatcher::ConstructL()
{
#ifdef __CHARGING_PLUGIN_TEST_CODE__
const TInt8 KPropertyOffsetForChargingTest = 100;
User::LeaveIfError(iOtgStateProp.Attach(KUidUsbManCategory, KUsbOtgStateProperty + KPropertyOffsetForChargingTest));
#else
User::LeaveIfError(iOtgStateProp.Attach(KUidUsbManCategory, KUsbOtgStateProperty));
#endif
iOtgStateProp.Subscribe(iStatus);
SetActive();
TInt err = iOtgStateProp.Get((TInt&)iOtgState);
if (KErrNone != err)
{
iOtgState = EUsbOtgStateBPeripheral;
}
}
void COtgStateWatcher::DoCancel()
{
iOtgStateProp.Cancel();
}
void COtgStateWatcher::RunL()
{
iOtgStateProp.Subscribe(iStatus);
SetActive();
TInt err = iOtgStateProp.Get((TInt&)iOtgState);
if (KErrNone != err)
{
iOtgState = EUsbOtgStateBPeripheral;
}
iObserver->MpsoOtgStateChangedL(iOtgState);
}
TUsbOtgState COtgStateWatcher::OtgState() const
{
return iOtgState;
}