/*

* Copyright (c) 2005-2006 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:  Implementation of an accessory management.

*

*/

// INCLUDE FILES

#include <centralrepository.h>

#include <btengdomaincrkeys.h>

#include "basrvaccman.h"

#include "BTAccSession.h"

#include "BTAccClientSrv.h"

#include "basrvacc.h"

#include "BTAccInfo.h"

#include "basrvpluginman.h"

#include "BTAccFwIf.h"

#include "debug.h"

const TInt KOpenAudioListenerId = 20;

const TInt KCloseAudioListenerId = 21;

const TInt KShowNoteRequest = 22;

const TInt KAsyncHandlingRequest = 23;

// ================= MEMBER FUNCTIONS =======================

CBasrvAccMan* CBasrvAccMan::NewL()

    {

    CBasrvAccMan* self = new (ELeave) CBasrvAccMan();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

void CBasrvAccMan::ConstructL()

    {

    iAsyncHandlingActive = 

        CBasrvActive::NewL(*this, CActive::EPriorityStandard, KAsyncHandlingRequest);

    CRepository* cenrep = NULL;

    TRAP_IGNORE(cenrep = CRepository::NewL(KCRUidBluetoothEngine));

    TInt avrcpVol = EBTAvrcpVolCTNotSupported;

    TInt avrcpLegacyVol = EBTAvrcpLegacyVolCTNotSupported;

    TInt autoDisconnect = EBTDisconnectIfAudioOpenFails;

    if (cenrep)

        {

        cenrep->Get(KBTAvrcpVolCTLV, avrcpVol);

        cenrep->Get(KBTAvrcpLegacyVolCTLV, avrcpLegacyVol);

        cenrep->Get(KBTDisconnectIfAudioOpenFailsLV, autoDisconnect);

        delete cenrep;

        }

    iAvrcpVolCTSupported = (avrcpVol == EBTAvrcpVolCTSupported);

    iAvrcpLegacyVolCTSupported = (avrcpLegacyVol == EBTAvrcpLegacyVolCTSupported);

    iDisconnectIfAudioOpenFails = (autoDisconnect == EBTDisconnectIfAudioOpenFails);

    TRACE_INFO((_L("[AVRCP_Vol_CT] %d [DisconnectIfAudioOpenFails] %d"), 

        iAvrcpVolCTSupported, iDisconnectIfAudioOpenFails))

    TRACE_INFO((_L("[EBTAvrcpLegacyVolCTSupported] %d"), iAvrcpLegacyVolCTSupported))

    LoadServicesL();

    }

CBasrvAccMan::~CBasrvAccMan()

    {

    delete iOpenListener;

    delete iCloseListener;

    delete iAsyncHandlingActive;

    // Response to any buffered audio request from Audio Policy.

    if (iAccfw)

        {

        TInt count = iAudioRequests.Count();

        for (TInt i = 0;  i < count; i++)

            {

            if (iAudioRequests[i].iReqType == EOpenReqFromAudioPolicy)

                {

                TRAP_IGNORE(iAccfw->AudioConnectionOpenCompleteL(

                    iAudioRequests[i].iAddr, KErrDisconnected));

                }

            else if (iAudioRequests[i].iReqType == ECloseReqFromAudioPolicy)

                {

                TRAP_IGNORE(iAccfw->AudioConnectionCloseCompleteL(

                    iAudioRequests[i].iAddr, KErrDisconnected));

                }

            }

        }

    iAudioRequests.Close();

    iAccs.ResetAndDestroy();

    iAccs.Close();

    delete iAccfw;

    delete iPluginMan;

    iNotifierArray.ResetAndDestroy();

    iNotifierArray.Close();

    iClientRequests.Close();

    TRACE_FUNC    

    }

void CBasrvAccMan::LoadServicesL()

    {

    TRACE_FUNC    

    if (!iPluginMan)

        {

        iPluginMan = CBasrvPluginMan::NewL();

        }

    iPluginMan->LoadPluginsL(*this);

    }

void CBasrvAccMan::ConnectL(CBTAccSession& aSession, const TBTDevAddr& aAddr)

    {

    TRACE_FUNC

    TClientRequestCache request;

    request.iSession = &aSession;

    request.iRequest = EBTAccSrvConnectToAccessory;

    request.iAddr = aAddr;

    iClientRequests.AppendL(request);

    //remove the last item from the RArray if a leave occurs later

    TCleanupItem cleanupItem(CleanupLastItemFromClientRequestsArray, &iClientRequests);

    CleanupStack::PushL(cleanupItem);

    TInt idx = FindAcc(aAddr);

    if (idx >= 0)

        {

        iAccs[idx]->ConnectL(aAddr);

        }

    else

        {

        CBasrvAcc* acc = CBasrvAcc::NewLC(*this);

        iAccs.AppendL(acc);

        CleanupStack::Pop(acc);

        acc->ConnectL(aAddr);

        }

    CleanupStack::Pop(&iClientRequests);

    }

void CBasrvAccMan::CancelConnect(const TBTDevAddr& aAddr)

    {

    TRACE_FUNC

    TInt idx = FindAcc(aAddr);

    if (idx >= 0)

        {

	    TInt count = iClientRequests.Count();

	    for (TInt i = 0; i < count; i++)

	        {

	        if (iClientRequests[i].iAddr == aAddr && 

	            iClientRequests[i].iRequest == EBTAccSrvConnectToAccessory)

	            {

	            iClientRequests.Remove(i);

	            break;

	            }

	        }        

        iAccs[idx]->CancelConnect();

        }

    }

void CBasrvAccMan::DisconnectL(CBTAccSession& aSession, const TBTDevAddr& aAddr)

    {

    TRACE_FUNC

    TInt idx = FindAcc(aAddr);

    if (idx >= 0)

        {

        RemoveAudioRequest(aAddr);

        TClientRequestCache request;

        request.iSession = &aSession;

        request.iRequest = EBTAccSrvDisconnectAccessory;

        request.iAddr = aAddr;

        iClientRequests.AppendL(request);

        //remove the last item from the RArray if a leave occurs later

        TCleanupItem cleanupItem(CleanupLastItemFromClientRequestsArray, &iClientRequests);

        CleanupStack::PushL(cleanupItem);

        iAccs[idx]->DisconnectL();

        CleanupStack::Pop(&iClientRequests);

        }

    else

        {

        aSession.DisconnectCompleted(EAnyMonoAudioProfiles, KErrNotFound);

        }

    }

void CBasrvAccMan::DisconnectAllL(CBTAccSession& aSession)

    {

    TRACE_FUNC

    if (!iDisconnectAllPending)

        {

        TInt count = iAccs.Count();

        if (!count)

            {

            aSession.DisconnectAllCompleted(KErrNone);

            }

        else

            {

            iSessionOfDisconnectAll = &aSession;

            for (TInt i = 0; i < count; i++)

                {

                RemoveAudioRequest(iAccs[i]->Remote());

                iAccs[i]->DisconnectL();

                }

            iDisconnectAllPending = ETrue;

            }

        }

    }

void CBasrvAccMan::SetProfileNotifySession(CBTAccSession& aSession)

    {

    iProfileNotifySession = &aSession;

    }

void CBasrvAccMan::ClearProfileNotifySession(CBTAccSession& aSession)

    {

    //if the session passed in is equal to what we have stored

    if (&aSession == iProfileNotifySession)

        {

        //invalidate the pointer to the session

        iProfileNotifySession = NULL;

        }

    }

const TAccInfo* CBasrvAccMan::AccInfo(const TBTDevAddr& aAddr)

    {

    TInt count = iAccs.Count();

    const TAccInfo* info = NULL;

    for (TInt i = 0; i < count; i++)

        {

        info = iAccs[i]->AccInfo(aAddr);

        if (info)

            {

            return info;

            }

        }

    return NULL;

    }

CBasrvPluginMan& CBasrvAccMan::PluginMan()

    {

    return *iPluginMan;

    }

void CBasrvAccMan::ConnectCompletedL(const TBTDevAddr& aAddr, TInt aErr, 

    TInt aProfile, const RArray<TBTDevAddr>* aConflicts)

    {

    TRACE_FUNC

    TInt count = iClientRequests.Count();

    for (TInt i = 0; i < count; i++)

        {

        if (iClientRequests[i].iAddr == aAddr && 

            iClientRequests[i].iRequest == EBTAccSrvConnectToAccessory)

            {

            iClientRequests[i].iSession->ConnectCompleted(aErr, aProfile, aConflicts);

            iClientRequests.Remove(i);

            break;

            }

        }

    }

void CBasrvAccMan::DisconnectCompletedL(const TBTDevAddr& aAddr, TInt aProfile, TInt aErr)

    {

    TRACE_FUNC

    TInt count = iClientRequests.Count();

    for (TInt i = 0; i < count; i++)

        {

        if (iClientRequests[i].iAddr == aAddr && 

            iClientRequests[i].iRequest == EBTAccSrvDisconnectAccessory)

            {

            iClientRequests[i].iSession->DisconnectCompleted(aProfile, aErr);

            iClientRequests.Remove(i);

            break;

            }

        }

    }

#define TRACE_AUDIO_REQUEST_COMPLETE \

    TRACE_INFO_SEG(\

        {\

        TBuf<12> buf;\

        aAddr.GetReadable(buf);\

        Trace(_L("[Audio Request Complete] %d %d at '%S', err %d"), \

            iAudioRequests[0].iReqType, aType, &buf, aErr);\

        });

TInt CBasrvAccMan::OpenAudioCompleted(const TBTDevAddr& aAddr, TAccAudioType aType, TInt aErr)

    {

    TInt err = KErrNone;

    if (iAudioRequests.Count())

        {

        TRACE_AUDIO_REQUEST_COMPLETE

        TRequestType reqType = iAudioRequests[0].iReqType;

        iAudioRequests.Remove(0);

        TInt latency = iPluginMan->AudioLinkLatency();

        if (reqType == EOpenReqFromAudioPolicy)

            {

	        TRAP(err, AccfwConnectionL()->AudioConnectionOpenCompleteL(aAddr, aErr, latency))

	        TRACE_INFO((_L("AccfwConnectionL()->AudioConnectionOpenCompleteL trap %d"), err))

	        if (!err && !aErr)

	            {

	            err = NotifyAccFwAudioOpened(aAddr, aType, latency);

	            }

           else if (err == KErrAlreadyExists && !aErr)

                {

        	    RejectAudioLink(aAddr, aType);

                }

           }

        }

    if (!err) // if err, a rejecting audio link has been scheduled.

	    {

	    TRAP_IGNORE(DoAudioRequestL());

	    }

    return err;

    }

TInt CBasrvAccMan::CloseAudioCompleted(const TBTDevAddr& aAddr, TAccAudioType aType, TInt aErr)

    {

    TInt err = KErrNone;

    if (iAudioRequests.Count())

        {

        TRACE_AUDIO_REQUEST_COMPLETE

        if (iAudioRequests[0].iReqType == ECloseReqFromAudioPolicy)

            {

            TRAP(err, AccfwConnectionL()->NotifyAudioLinkCloseL(aAddr, aType));

            TRACE_INFO((_L("AccfwConnectionL()->NotifyAudioLinkCloseL trap %d"), err))

            TRAP(err, AccfwConnectionL()->AudioConnectionCloseCompleteL(aAddr, aErr));

            TRACE_INFO((_L("AccfwConnectionL()->AudioConnectionCloseCompleteL trap %d"), err))

            }

        iAudioRequests.Remove(0);

        }

    if (iAudioRequests.Count())

        {

        TRAP_IGNORE(DoAudioRequestL());

        }

    return err;

    }

void CBasrvAccMan::AccObsoleted(CBasrvAcc* aAcc, const TBTDevAddr& /*aAddr*/)

    {

    TRACE_FUNC

    TInt idx = iAccs.Find(aAcc);

    if (idx >= 0)

        {

        RemoveAudioRequest(iAccs[idx]->Remote());

        delete aAcc;

        iAccs.Remove(idx);

        }

    if (!iAccs.Count())

        {

        delete iOpenListener;

        iOpenListener = NULL;

        delete iCloseListener;

        iCloseListener = NULL;

        delete iAccfw;

        iAccfw = NULL;

        iAudioRequests.Reset();

        if (iDisconnectAllPending)

            {

            iDisconnectAllPending = EFalse;

            if (iSessionOfDisconnectAll)

                iSessionOfDisconnectAll->DisconnectAllCompleted(KErrNone);

            }

        }

    }

CBasrvAccfwIf* CBasrvAccMan::AccfwConnectionL(const TAccInfo* aInfo)

    {

    if (!iAccfw)

        {

        iAccfw = CBasrvAccfwIf::NewL(aInfo);

        }

    return iAccfw;

    }

CBasrvAccfwIf* CBasrvAccMan::NewAccfwConnectionInstanceL()

    {

    TRACE_FUNC

    return CBasrvAccfwIf::NewL(NULL);

    }

void CBasrvAccMan::ListenAudioRequestL()

    {

    TRACE_FUNC

    if (!iOpenListener)

        {

        iCloseListener = CBasrvActive::NewL(*this, CActive::EPriorityStandard, KCloseAudioListenerId);

        iOpenListener = CBasrvActive::NewL(*this, CActive::EPriorityStandard, KOpenAudioListenerId);

        AccfwConnectionL()->NotifyBTAudioLinkOpenReq(iOpenAddr,iOpenListener->iStatus, iOpenType);

        iOpenListener->GoActive();

        AccfwConnectionL()->NotifyBTAudioLinkCloseReq(iCloseAddr,iCloseListener->iStatus, iCloseType);

        iCloseListener->GoActive();

        }

    }

void CBasrvAccMan::CancelAudioRequestListen()

    {

    delete iOpenListener;

    iOpenListener = NULL;

    delete iCloseListener;

    iCloseListener = NULL;

    TRACE_FUNC

    }

void CBasrvAccMan::RemoveAudioRequest(const TBTDevAddr& aAddr)

    {

    TRACE_FUNC

    TInt count = iAudioRequests.Count();

    TInt i = 0;

    while(count && i < count)

        {

        if (iAudioRequests[i].iAddr == aAddr)

            {

            TRACE_INFO_SEG(

                {

                TBuf<12> buf;

                aAddr.GetReadable(buf);

                Trace(_L("[Audio Request Aborted] %d %d at '%S'"), 

                    iAudioRequests[i].iReqType, iAudioRequests[i].iAudioType, &buf);

                });

            if (iAudioRequests[i].iReqType == EOpenReqFromAudioPolicy)

                {

                TRAP_IGNORE(AccfwConnectionL()->AudioConnectionOpenCompleteL(aAddr, KErrDisconnected));

                }

            else if (iAudioRequests[i].iReqType == ECloseReqFromAudioPolicy)

                {

                TRAP_IGNORE(AccfwConnectionL()->AudioConnectionCloseCompleteL(aAddr, KErrDisconnected));

                }

            iAudioRequests.Remove(i);

            count--;

            }

        else

            {

            i++;

            }

        }

    }

void CBasrvAccMan::ShowNote(TBTGenericInfoNoteType aNote, const TBTDevAddr& aAddr)

    {

    TRACE_INFO((_L("CBasrvAccMan::ShowNote %d"), aNote))

    TRAPD(err, DoShowNoteL(aNote, aAddr));

    if (err != KErrNone)

        {

        TRACE_ERROR((_L("could not construct active notifer object")))

        return;

        }

    }

void CBasrvAccMan::DoShowNoteL(TBTGenericInfoNoteType aNote, const TBTDevAddr& aAddr)

    {

    CBasrvActiveNotifier* activeNotifier = CBasrvActiveNotifier::NewL(*this, CActive::EPriorityStandard, KShowNoteRequest, aAddr, aNote);

    CleanupStack::PushL(activeNotifier);

    iNotifierArray.AppendL(activeNotifier);

    CleanupStack::Pop(activeNotifier);

    }

void CBasrvAccMan::FilterProfileSupport(TAccInfo& aInfo)

    {

    TInt pluginbit = iPluginMan->AvailablePlugins();

    aInfo.iSuppProfiles &= pluginbit;

    }

TInt CBasrvAccMan::NotifyAccFwAudioOpened(const TBTDevAddr& aAddr, TAccAudioType aType, TInt /*aLatency*/)

    {

    TRAPD(err, AccfwConnectionL()->NotifyAudioLinkOpenL(aAddr, aType));

    TRACE_INFO((_L("AccfwConnectionL()->NotifyAudioLinkOpenL type %d trap %d"), aType, err))

    if (err)

        {

        RejectAudioLink(aAddr, aType);

        }

    return err;

    }

TInt CBasrvAccMan::AccInfos(RPointerArray<const TAccInfo>& aInfos)

    {

    TInt count = iAccs.Count();

    TInt err = KErrNone;

    for (TInt i = 0; i < count; i++)

        {

        err = aInfos.Append(&(iAccs[i]->AccInfo()));

        if (err != KErrNone)

            {

            //an error occured so cleanup

            aInfos.Close();

            break;

            }

        }

    return err;

    }

void CBasrvAccMan::NotifyClientNewProfile(TInt aProfile, const TBTDevAddr& aAddr)

    {

    if (iProfileNotifySession)

        {

        iProfileNotifySession->NotifyClientNewProfile(aProfile, aAddr);

        }

    }

void CBasrvAccMan::NotifyClientNoProfile(TInt aProfile, const TBTDevAddr& aAddr)

    {

    if (iProfileNotifySession)

        {

        iProfileNotifySession->NotifyClientNoProfile(aProfile, aAddr);

        }

    }

TBTEngConnectionStatus CBasrvAccMan::ConnectionStatus4Client(const TBTDevAddr& aAddr) const

    {