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/*
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* Copyright (c) 2004-2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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286
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* Description:
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* Class definition for Device State Notifier Base Class
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*
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*/
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/**
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@file
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@internalTechnology
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*/
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#include <e32base.h>
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#include "mtransport.h"
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#include "mldddevicestatenotification.h"
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#include "drivemanager.h"
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#include "cusbmassstoragecontroller.h"
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#include "cbulkonlytransport.h"
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#include "cactivedevicestatenotifierbase.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "cactivedevicestatenotifierbaseTraces.h"
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#endif
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CActiveDeviceStateNotifierBase::CActiveDeviceStateNotifierBase(CBulkOnlyTransport& aBot,
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MLddDeviceStateNotification& aLddDeviceStateNotification)
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: CActive(EPriorityStandard),
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iBot(aBot),
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0
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iLddDeviceStateNotification(aLddDeviceStateNotification),
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iDeviceState(EUsbcNoState),
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iOldDeviceState(EUsbcNoState)
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{
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0
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}
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CActiveDeviceStateNotifierBase* CActiveDeviceStateNotifierBase::NewL(CBulkOnlyTransport& aBot,
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MLddDeviceStateNotification& aLddDeviceStateNotification)
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{
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CActiveDeviceStateNotifierBase* self = new (ELeave) CActiveDeviceStateNotifierBase(aBot, aLddDeviceStateNotification);
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CleanupStack::PushL(self);
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self->ConstructL();
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CActiveScheduler::Add(self);
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CleanupStack::Pop(); // self
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return (self);
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}
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0
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void CActiveDeviceStateNotifierBase::ConstructL()
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{
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}
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CActiveDeviceStateNotifierBase::~CActiveDeviceStateNotifierBase()
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{
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Cancel(); // base class
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}
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0
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void CActiveDeviceStateNotifierBase::DoCancel()
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{
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iLddDeviceStateNotification.Cancel();
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}
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void CActiveDeviceStateNotifierBase::RunL()
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{
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// This displays the device state.
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// In a real world program, the user could take here appropriate action (cancel a
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// transfer request or whatever).
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OstTrace1(TRACE_SMASSSTORAGE_STATE, CACTIVEDEVICESTATENOTIFIERBASE_100,
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"DeviceState Notification = %d", iDeviceState);
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0
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if (!(iDeviceState & KUsbAlternateSetting))
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{
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switch (iDeviceState)
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{
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case EUsbcDeviceStateUndefined: //0
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case EUsbcDeviceStateDefault: //3
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iBot.HwStop();
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break;
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0
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case EUsbcDeviceStateAttached: //1
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case EUsbcDeviceStatePowered: //2
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// do nothing
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break;
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case EUsbcDeviceStateAddress: //4
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if (iOldDeviceState == EUsbcDeviceStateConfigured)
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0
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{
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iBot.StopBulkOnlyEndpoint();
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}
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break;
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0
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case EUsbcDeviceStateConfigured: //5
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if (iOldDeviceState == EUsbcDeviceStateSuspended)
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{
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iBot.HwResume();
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}
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else
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{
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iBot.HwStart();
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}
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break;
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case EUsbcDeviceStateSuspended: //6
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if (iOldDeviceState == EUsbcDeviceStateConfigured)
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{
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iBot.HwSuspend();
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}
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break;
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default:
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OstTrace0(TRACE_SMASSSTORAGE_STATE, CACTIVEDEVICESTATENOTIFIERBASE_101,
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"Device State notifier: ***BAD***");
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iBot.HwStop();
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break;
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}
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iOldDeviceState = iDeviceState;
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}
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else if (iDeviceState & KUsbAlternateSetting)
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{
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OstTrace1(TRACE_SMASSSTORAGE_STATE, CACTIVEDEVICESTATENOTIFIERBASE_102,
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"Device State notifier: Alternate interface setting has changed: now %d",
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iDeviceState & ~KUsbAlternateSetting);
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}
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Activate();
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}
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void CActiveDeviceStateNotifierBase::Activate()
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{
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if (IsActive())
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{
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return;
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}
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iLddDeviceStateNotification.Activate(iStatus, iDeviceState);
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SetActive();
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}
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