/*

* 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:  Implementation

 *

*/

#include <usbuinotif.h>

#include "cusbstatehosthandle.h"

#ifndef STIF

#include "cusbnotifmanager.h"

#else

#include "mockcusbnotifmanager.h"

#endif

#include "errors.h"

#include "debug.h"

#include "panic.h"

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

CUsbStateHostHandle::CUsbStateHostHandle(CUsbOtgWatcher* aWatcher) :

    CUsbState(aWatcher)

    {

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

CUsbStateHostHandle* CUsbStateHostHandle::NewL(CUsbOtgWatcher* aWatcher)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAHost::NewL" ) );

    CUsbStateHostHandle* self = new (ELeave) CUsbStateHostHandle(aWatcher);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::ConstructL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::ConstructL" ) );

    iTooMuchPowerTimer = CUsbTimer::NewL(this, ETooMuchPowerRequiredTimer);

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

CUsbStateHostHandle::~CUsbStateHostHandle()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::~CUsbStateHostHandle" ) );

    delete iTooMuchPowerTimer;

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

TUsbStateIds CUsbStateHostHandle::Id()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::Id" ) );

    return EUsbStateHostHandle;

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::JustAdvancedToThisStateL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::JustAdvancedToThisStateL" ) );

    iWatcher->PrintStateToLog();

    DoHandleL();

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::JustBeforeLeavingThisStateL()

    {

    iTooMuchPowerTimer->Cancel();

    iWatcher->NotifManager()->CloseAllNotifiers();

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::SetWhat(TInt aWhat)

    {

    iWhat = aWhat;

    }

// this means only one wait notifier at a time can be shown by this state

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::WaitNotifierCompletedL(TInt /*aFeedback*/)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL" ) );

    switch (iWhat)

        {

        case EUsbWatcherErrDriversNotFound:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL DriversNotFound" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherHubsNotSupported:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherHubsNotSupported" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherErrDeviceRequiresTooMuchPower:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherErrDeviceRequiresTooMuchPower" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherErrUnsupportedDevice:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherErrUnsupportedDevice" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherConnectedToOTG:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherConnectedToOTG" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherErrDandlingCable:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherErrDandlingCable" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherNoActivity:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherNoActivity" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherErrorInConnection:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherErrorInConnection" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        case EUsbWatcherCanNotStartUsbServices:

            {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL EUsbWatcherCanNotStartUsbServices" ) );

            break;                     

            }

        // errors from observers mapped to one

        case EUsbWatcherIdPinError:

        case EUsbWatcherVBusObserverError:

        case EUsbWatcherHostEventNotificationError:

        case EUsbWatcherOtgStateError:

        case EUsbWatcherMessageNotificationError:

            {

            // try to restore

            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL Error in observer" ) );

            ChangeHostStateL(EUsbStateHostAInitiate);

            break;

            }

        default:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL Unexpected situation to be handled" ) );

            Panic(EUnexpectedSituationToHandle);

            break;

            }

        }

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::DoHandleL()

    {

        FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL iWhat = %d" ), iWhat));

    if (iTooMuchPowerTimer)

        iTooMuchPowerTimer->Cancel();

    switch (iWhat)

        {

        case EUsbWatcherErrDriversNotFound:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL DriversNotFound" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgUnsupportedDevice, this);

            break;

            }

        case EUsbWatcherHubsNotSupported:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherHubsNotSupported" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgHubUnsupported, this);

            break;

            }

        case EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration" ) );

            iTooMuchPowerTimer->After(KTimeTooMuchPowerRequired);

            break;

            }

        case EUsbWatcherErrDeviceRequiresTooMuchPower:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherErrDeviceRequiresTooMuchPower" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgTooMuchPower, this);

            break;

            }

        case EUsbWatcherErrUnsupportedDevice:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherErrUnsupportedDevice" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgUnsupportedDevice, this);

            break;

            }

        case EUsbWatcherConnectedToOTG:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherConnectedToOTG" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgUnsupportedDevice, this);

            break;

            }

        case EUsbWatcherErrDandlingCable:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherErrDandlingCable" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgErrorAttachTimedOut, this);

            break;

            }

        case EUsbWatcherNoActivity:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherNoActivity" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgUnsupportedDevice, this);

            break;

            }

        case EUsbWatcherErrorInConnection:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherErrorInConnection" ) );

            // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

            iWatcher->Usb().BusDrop();

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                    EUsbOtgErrorInConnection, this);

            break;

            }

        case EUsbWatcherCanNotStartUsbServices:

            {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL EUsbWatcherCanNotStartUsbServices" ) );

            iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                EUsbOtgErrorInConnection, this);

            break;           

            }

        // errors from observers mapped to one

        case EUsbWatcherIdPinError:

        case EUsbWatcherVBusObserverError:

        case EUsbWatcherHostEventNotificationError:

        case EUsbWatcherOtgStateError:

        case EUsbWatcherMessageNotificationError:

            {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DoHandleL Error from observer" ) );

        // Ignore any errors when calling BusDrop(). Those indicate that VBus already dropped 

        iWatcher->Usb().BusDrop();

        iWatcher->NotifManager()->ShowNotifierL(KUsbUiNotifOtgError,

                EUsbOtgErrorInConnection, this);

            break;

            }

        default:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::WaitNotifierCompletedL Unexpected situation to be handled" ) );

            Panic(EUnexpectedSituationToHandle);

            break;

            }

        }

    }

/////////////////////////////////////////////////////////////////////////////////////

// just ignore all the events		

// From VBus observer

void CUsbStateHostHandle::VBusDownL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::VBusDownL" ) );

    }

// From OTG state observer

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::AIdleL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::AIdleL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::AHostL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::AHostL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::APeripheralL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::APeripheralL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::AVBusErrorL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::AVBusErrorL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::BIdleL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::BIdleL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::BPeripheralL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::BPeripheralL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::BHostL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::BHostL" ) );

    }

// From bus activity observer

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::BusIdleL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::BusIdleL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::BusActiveL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::BusActiveL" ) );

    }

// From Host Event notification observer

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::DeviceAttachedL(

        TDeviceEventInformation aDevEventInfo)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DeviceAttachedL" ) );

    if (iTooMuchPowerTimer->IsActive())

        {

        ChangeHostStateL(EUsbStateHostAInitiate);

        iWatcher->DeviceAttachedL(aDevEventInfo);

        }

    else

        {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DeviceAttachedL Unexpected situation" ) );

        }

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::DeviceDetachedL(TDeviceEventInformation)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DeviceDetachedL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::DriverLoadSuccessL(TDeviceEventInformation)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbState::DriverLoadSuccessL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::DriverLoadPartialSuccessL(TDeviceEventInformation)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbState::DriverLoadPartialSuccessL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::DriverLoadFailureL(TDeviceEventInformation)

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbState::DriverLoadFailureL" ) );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::BadHubPositionL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::BadHubPositionL" ) );

    if (iTooMuchPowerTimer->IsActive())

        {

        ChangeHostStateL(EUsbStateHostAInitiate);

        iWatcher->BadHubPositionL();

        }

    else

        {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::DeviceAttachedL Unexpected situation" ) );

        }

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CUsbStateHostHandle::VBusErrorL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::VBusErrorL" ) );

    iWatcher->Usb().BusClearError();

    FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostHandle::VBusErrorL Unexpected situation" ) );

    }

// ---------------------------------------------------------------------------