/*

* Copyright (c) 2005-2007 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: 

*

*/

// INCLUDE FILES

#include "basrvpowercontrolagent.h"

#include "debug.h"

enum TActiveRequestId

    {

    ESniffDelayTimer = 80,

    EBbEventSubscribe = 81,

    };

const TInt KSniffRequesterDelay = 5000000; // 5 secs

CBasrvPowerControlAgent* CBasrvPowerControlAgent::NewL(const TBTDevAddr& aAddr)

    {

    CBasrvPowerControlAgent* self = new CBasrvPowerControlAgent(aAddr);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;    

    }

CBasrvPowerControlAgent::~CBasrvPowerControlAgent()

    {

    TRACE_FUNC

    delete iBbEventer;

    delete iSniffDelayTimer;

    iTimer.Close();

    iPlAda.Close();

    iSockServ.Close();

    }

void CBasrvPowerControlAgent::RequestSniffMode()

    {

    TRACE_FUNC

    if (iState == ESniffModeRequested || iState == ESniffModeTiming)

        {

        return;

        }

    if (iState == EActiveModeRequested)

        {

        iPlAda.CancelLowPowerModeRequester();

        }

    iState = ESniffModeTiming;

    iTimer.After(iSniffDelayTimer->iStatus, KSniffRequesterDelay);

    iSniffDelayTimer->GoActive();

    TRACE_INFO(_L("CBasrvPowerControlAgent, [Sniff mode Timing]"))

    }

void CBasrvPowerControlAgent::RequestActiveMode()

    {

    TRACE_FUNC

    if (iState == EActiveModeRequested)

        {

        return;

        }

    if (iState == ESniffModeTiming)

        {

        iSniffDelayTimer->Cancel();

        }

    TInt err = iPlAda.ActivateActiveRequester();

    if (!err)

        {

        iState = EActiveModeRequested;

        TRACE_INFO(_L("CBasrvPowerControlAgent, [Active mode requested]"))

        }

    else

        {

        TRACE_INFO((_L("CBasrvPowerControlAgent, ActivateActiveRequester %d"), err))

        iState = EPowerModeDefault;

        }

    }

void CBasrvPowerControlAgent::CancelPowerModeControl()

    {

    TRACE_FUNC

    if (iState == ESniffModeTiming)

        {

        iSniffDelayTimer->Cancel();

        }

    else if (iState == ESniffModeRequested || iState == EActiveModeRequested)

        {

        iPlAda.CancelLowPowerModeRequester();

        }

    iState = EPowerModeDefault;

    TRACE_INFO(_L("CBasrvPowerControlAgent, [Power mode default]"))

    }

void CBasrvPowerControlAgent::PreventLowPowerMode()

    {

    TRACE_FUNC

    (void) iPlAda.PreventLowPowerModes(EAnyLowPowerMode);

    }

void CBasrvPowerControlAgent::AllowLowPowerMode()

    {

    TRACE_FUNC

    (void) iPlAda.AllowLowPowerModes(EAnyLowPowerMode);

    }

void CBasrvPowerControlAgent::RequestCompletedL(CBasrvActive& aActive)

    {

    TRACE_FUNC

    switch (aActive.RequestId())

        {

        case ESniffDelayTimer:

            {

            DosniffRequest();

            break;

            }

        case EBbEventSubscribe:

            {

        	TRACE_INFO((_L("CBasrvPowerControlAgent, err %d, event 0x%02X"), aActive.iStatus.Int(), iBbEvent().EventType()))

            if (aActive.iStatus != KErrNone)

                return;

        	switch(iBbEvent().EventType())

        		{

        		case ENotifyActiveMode://0x04

        		    {

                    if (iState == ESniffModeTiming || iState == ESniffModeRequested)

                        {

                        CancelPowerModeControl();

                        }

        			break;

        		    }

        		case ENotifySniffMode: //0x08

        		    {

                    if (iState == ESniffModeTiming)

                        {

                        iSniffDelayTimer->Cancel();

                        DosniffRequest();

                        }

        			break;

        		    }

        		default:

        			{

        			TRACE_INFO((_L("CBasrvPowerControlAgent, Uninteresting event (0x%08X)"), iBbEvent().EventType()))

        			}

        		}

            iPlAda.NotifyNextBasebandChangeEvent(iBbEvent, iBbEventer->iStatus, ENotifyAnyPowerMode);

            iBbEventer->GoActive();

            }

        }

    }

void CBasrvPowerControlAgent::CancelRequest(CBasrvActive& aActive)

    {

    TRACE_FUNC

    if (aActive.RequestId() == ESniffDelayTimer)

        {

        iTimer.Cancel();

        }

    else if (aActive.RequestId() == EBbEventSubscribe)

        {

        iPlAda.CancelNextBasebandChangeEventNotifier();

        }

    }

CBasrvPowerControlAgent::CBasrvPowerControlAgent(const TBTDevAddr& aAddr)

    : iAddr(aAddr)

    {

    TRACE_FUNC

    }

void CBasrvPowerControlAgent::ConstructL()

    {

    LEAVE_IF_ERROR(iSockServ.Connect())

    LEAVE_IF_ERROR(iPlAda.Open(iSockServ, iAddr))

    iBbEventer = CBasrvActive::NewL(*this, CActive::EPriorityStandard, EBbEventSubscribe);

    iSniffDelayTimer = CBasrvActive::NewL(*this, CActive::EPriorityStandard, ESniffDelayTimer);

    LEAVE_IF_ERROR(iTimer.CreateLocal())

    iPlAda.NotifyNextBasebandChangeEvent(iBbEvent, iBbEventer->iStatus, ENotifyAnyPowerMode);

    iBbEventer->GoActive();

    }

void CBasrvPowerControlAgent::DosniffRequest()

    {

    TRACE_FUNC  

    (void) iPlAda.AllowLowPowerModes(EAnyLowPowerMode);

    (void) iPlAda.CancelLowPowerModeRequester();

    TInt err = iPlAda.ActivateSniffRequester();

    if (!err)

        {

        TRACE_INFO(_L("CBasrvPowerControlAgent, [Sniff mode requested]"))

        iState = ESniffModeRequested;

        }

    else

        {

        TRACE_INFO((_L("CBasrvPowerControlAgent, ActivateSniffRequester %d"), err))

        iState = EPowerModeDefault;

        }

    }