/*

* 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 Connected state.

*

*/

// INCLUDE FILES

#include <e32property.h>

#include <ctsydomainpskeys.h>

#include "basrvaccstateattached.h"

#include "basrvaccstateattach.h"

#include "basrvaccstatedetach.h"

#include "basrvaccstatedisconnect.h"

#include "BTAccInfo.h"

#include "debug.h"

const TInt KRequestIdOpenMonoAudio = 40;

const TInt KRequestIdOpenStereoAudio = 41;

const TInt KRequestIdCloseMonoAudio = 42;

const TInt KRequestIdCloseStereoAudio = 43;

const TInt KRequestIdTimer = 44;

const TInt KRequestIdMonoActiveModeRequest = 45;

const TInt KRequestIdStereoActiveModeRequest = 46;

const TInt KRequestIdConnectRemConTG = 47;

const TInt KAudioCloseResponseDelay = 1200000; // 1.2 sec

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

CBasrvAccStateAttached* CBasrvAccStateAttached::NewL(CBasrvAcc& aParent, TBool aShowNote)

    {

    CBasrvAccStateAttached* self=new(ELeave) CBasrvAccStateAttached(aParent, aShowNote);

    return self;

    }

CBasrvAccStateAttached::~CBasrvAccStateAttached()

    {

    delete iRemConTGConnector;

    delete iAudioOpener;

    delete iAudioCloser;

    delete iTimerActive;

    iTimer.Close();

    TRACE_FUNC

    }

void CBasrvAccStateAttached::EnterL()

    {

    StatePrint(_L("Attached"));

    iTimer.CreateLocal();

    if (AccInfo().iAudioOpenedProfiles)

        {

        if (AccInfo().iAudioOpenedProfiles & EStereo)

            HandleAccOpenedAudio(EStereo);

        if (AccInfo().iAudioOpenedProfiles & EHFP)

            HandleAccOpenedAudio(EHFP);

        if (AccInfo().iAudioOpenedProfiles & EHSP)

            HandleAccOpenedAudio(EHSP);

        }

    else

        {

        Parent().RequestSniffMode();

        }

    if (iShowNote)

        {

        Parent().AccMan().NotifyClientNewProfile(AccInfo().iConnProfiles, AccInfo().iAddr);

        TInt callState;

        TInt err = RProperty::Get(KPSUidCtsyCallInformation, KCTsyCallState, callState);

        if(!err && (callState == EPSCTsyCallStateNone || callState == EPSCTsyCallStateUninitialized))

            {

		    Parent().AccMan().ShowNote(EBTConnected, AccInfo().iAddr); 				  		

            }

        }

    }

CBasrvAccState* CBasrvAccStateAttached::ErrorOnEntry(TInt /*aReason*/)

    {

    TRACE_FUNC

    CBasrvAccState* next = NULL;

    TRAP_IGNORE(next = CBasrvAccStateDetach::NewL(Parent()));

    return next;

    }

TBTEngConnectionStatus CBasrvAccStateAttached::ConnectionStatus() const

    {

    return EBTEngConnected;

    }

void CBasrvAccStateAttached::ConnectL(const TBTDevAddr& aAddr)

    {

    if (aAddr == AccInfo().iAddr)

        {

        Parent().AccMan().ConnectCompletedL(AccInfo().iAddr, KErrNone, AccInfo().iConnProfiles);

        }

    else

        {

        CBasrvAccState::ConnectL(aAddr);

        }

    }

void CBasrvAccStateAttached::DisconnectL()

    {

    TRACE_FUNC

    Parent().AccMan().RemoveAudioRequest(AccInfo().iAddr);

    if (AccInfo().iAudioOpenedProfiles)

        {

        TAccAudioType type = (AccInfo().iAudioOpenedProfiles & EAnyMonoAudioProfiles) 

                ? EAccMonoAudio : EAccStereoAudio;    

        Parent().AccMan().AccfwConnectionL()->NotifyAudioLinkCloseL(AccInfo().iAddr, type);

        AccInfo().iAudioOpenedProfiles = EUnknownProfile;

        }

    Parent().ChangeStateL(CBasrvAccStateDetach::NewL(Parent()));

    }

void CBasrvAccStateAttached::AccessoryConnected(TProfiles aProfile)

    {

    TRACE_FUNC

    CBasrvAccState::AccessoryConnected(aProfile);

    Parent().NotifyLinkChange2Rvc();

    Parent().AccMan().NotifyClientNewProfile(aProfile, AccInfo().iAddr);

    }

void CBasrvAccStateAttached::AccOpenedAudio(TProfiles aProfile)

    {

    TRACE_FUNC

    delete iTimerActive;

    iTimerActive = NULL;    

    HandleAccOpenedAudio(aProfile);

    }

void CBasrvAccStateAttached::AccClosedAudio(TProfiles aProfile)

    {

    TRACE_FUNC

    UpdateAudioState(EAudioLinkClosed, (aProfile == EStereo) ? EAccStereoAudio : EAccMonoAudio);

    CBasrvAccState::AccClosedAudio(aProfile);

    Parent().NotifyLinkChange2Rvc();

    iCloseAudioProfile = aProfile;

    if (!iTimerActive)

        {

        iTimerActive = CBasrvActive::New(*this, CActive::EPriorityStandard, KRequestIdTimer);

        }

    if (iTimerActive)

        {

        iTimerActive->Cancel();

        iTimer.After(iTimerActive->iStatus, KAudioCloseResponseDelay);

        iTimerActive->GoActive();

        }

    Parent().RequestSniffMode();

    StatePrint(_L("Attached"));    

    }

void CBasrvAccStateAttached::AccessoryDisconnectedL(TProfiles aProfile)

    {

    TRACE_FUNC

    delete iTimerActive;

    iTimerActive = NULL;

    TInt audiolinkcache = AccInfo().iAudioOpenedProfiles;

    if ((AccInfo().iAudioOpenedProfiles & EStereo) && (aProfile & EStereo))

        {

        Parent().RequestSniffMode();

        }

    ProfileDisconnected(aProfile);

    CBasrvAccState::AccClosedAudio(aProfile);

    Parent().NotifyLinkChange2Rvc();

    Parent().AccMan().NotifyClientNoProfile(aProfile, AccInfo().iAddr);

    StatePrint(_L("Attached"));

    // AudioPolicy wants to get a notification about audio link closes before

    // detaches as well so here we go

    if (audiolinkcache & aProfile ||

        iCloseAudioProfile & aProfile )

        {

        TAccAudioType type = (aProfile & EAnyMonoAudioProfiles) 

            ? EAccMonoAudio : EAccStereoAudio;

        Parent().AccMan().AccfwConnectionL()->NotifyAudioLinkCloseL(AccInfo().iAddr, type);    

        // let's clear this variable here to be sure it's not used twice accidentally

        iCloseAudioProfile = EUnknownProfile;

        }

    if (!(AccInfo().iConnProfiles & EAnyAudioProfiles))

        {

        Parent().AccMan().RemoveAudioRequest(AccInfo().iAddr);

        Parent().ChangeStateL(CBasrvAccStateDetach::NewL(Parent()));

        }

    }

void CBasrvAccStateAttached::OpenAudioL(TAccAudioType aType)

    {

    TRACE_FUNC

    TInt requestId = (aType == EAccMonoAudio) 

        ? KRequestIdMonoActiveModeRequest : KRequestIdStereoActiveModeRequest;

    if (!iAudioOpener)

        {

        iAudioOpener = CBasrvActive::NewL(*this, CActive::EPriorityLow, requestId);

        }

    else

        {

        if (iAudioOpener->IsActive())

            {

            LEAVE(KErrAlreadyExists);

            }

        iAudioOpener->SetRequestId(requestId);

        }

    Parent().RequestActiveMode();

	// here we'll give time to the scheduler so that the active mode request has 

	// a chance to get through before the audio link open request - running

	// with EPriorityLow for that

	TRequestStatus* myStatus( &iAudioOpener->iStatus );

    *myStatus = KRequestPending;

    iAudioOpener->GoActive();

	User::RequestComplete( myStatus, KErrNone );

    }

void CBasrvAccStateAttached::CloseAudioL(TAccAudioType aType)

    {

    TRACE_FUNC

    DoCloseAudioL(aType);

    }

void CBasrvAccStateAttached::RequestCompletedL(CBasrvActive& aActive)

    {

    TRACE_FUNC

    TInt status = aActive.iStatus.Int();

    TInt requestid = aActive.RequestId(); 

    switch (requestid)

        {

        case KRequestIdOpenMonoAudio:

            {

            if (!status)

                {

                if (AccInfo().iSuppProfiles & EHFP)

                    NewProfileConnection(EHFP);

                else

                    NewProfileConnection(EHSP);

                }

            TInt err = Parent().AccMan().OpenAudioCompleted(AccInfo().iAddr, EAccMonoAudio, status);

            if ( (err && err != KErrAlreadyExists) || (status && status != KErrInUse && status != KErrAlreadyExists))

                {

                if (Parent().AccMan().DisconnectIfAudioOpenFails())

                    {

                    Parent().AccMan().RemoveAudioRequest(AccInfo().iAddr);

                    Parent().ChangeStateL(CBasrvAccStateDetach::NewL(Parent()));

                    }

                }

            else

                {

                UpdateAudioState(EAudioLinkOpen, EAccMonoAudio);

                Parent().CancelPowerModeControl();

                AccInfo().iAudioOpenedProfiles |= (AccInfo().iConnProfiles & EAnyMonoAudioProfiles);

                Parent().NotifyLinkChange2Rvc();

                }

            break;

            }

        case KRequestIdCloseMonoAudio:

            {

            UpdateAudioState(EAudioLinkClosed, EAccMonoAudio);

            Parent().RequestSniffMode();

            (void) Parent().AccMan().CloseAudioCompleted(AccInfo().iAddr, EAccMonoAudio, status);

            break;

            }

        case KRequestIdOpenStereoAudio:

            {

            if (!status)

                {

                NewProfileConnection(EStereo);              

                }

            TInt err = Parent().AccMan().OpenAudioCompleted(AccInfo().iAddr, EAccStereoAudio, status);

            if ((status && status != KErrInUse && status != KErrAlreadyExists))

                {

                if (status == KErrDisconnected)

                    {

                    ProfileDisconnected(EStereo);

                    }

                if (Parent().AccMan().DisconnectIfAudioOpenFails())

                    {

                    Parent().AccMan().RemoveAudioRequest(AccInfo().iAddr);

                    Parent().ChangeStateL(CBasrvAccStateDetach::NewL(Parent()));

                    }

                }

            else if (!err)

                {

                UpdateAudioState(EAudioLinkOpen, EAccStereoAudio);

                Parent().PreventLowPowerMode();

                AccInfo().iAudioOpenedProfiles |= EStereo;

                Parent().NotifyLinkChange2Rvc();

                DoConnectRemConCtIfNeededL();

                }

            break;

            }

        case KRequestIdCloseStereoAudio:

            {

            UpdateAudioState(EAudioLinkClosed, EAccStereoAudio);

            Parent().RequestSniffMode();

            (void) Parent().AccMan().CloseAudioCompleted(AccInfo().iAddr, EAccStereoAudio, status);

            break;

            }

        case KRequestIdTimer:

            {

            TAccAudioType type = (iCloseAudioProfile & EAnyMonoAudioProfiles) 

                ? EAccMonoAudio : EAccStereoAudio;

            Parent().AccMan().AccfwConnectionL()->NotifyAudioLinkCloseL(AccInfo().iAddr, type);    

            // this variable needs to be cleared here so that the AccFW isn't notified a second time

            // about the same audio link close during disconnection process

            iCloseAudioProfile = EUnknownProfile;

            break;

            }

        case KRequestIdMonoActiveModeRequest:

        case KRequestIdStereoActiveModeRequest:

            {

            // the active mode request should have been scheduled at this point and we'll continue

            // with audio link open request - going back to standard priority

    		TProfiles profile = ( requestid == KRequestIdMonoActiveModeRequest ) ? EHFP : EStereo;            

		    Parent().AccMan().PluginMan().Plugin(profile)->OpenAudioLink(AccInfo().iAddr, 

		        iAudioOpener->iStatus);

    		TInt requestId = ( requestid == KRequestIdMonoActiveModeRequest ) 

    							? KRequestIdOpenMonoAudio : KRequestIdOpenStereoAudio;

		    iAudioOpener->SetPriority( CActive::EPriorityStandard );

		    iAudioOpener->SetRequestId( requestId );

		    iAudioOpener->GoActive();

            break;

            }

        case KRequestIdConnectRemConTG:

            {

            if (!status || status == KErrAlreadyExists)

                {

                NewProfileConnection(ERemConTG);

                Parent().NotifyLinkChange2Rvc();

                }

            delete iRemConTGConnector;

            iRemConTGConnector = NULL;

            break;

            }

        default:

            {

            }

        }

    }

void CBasrvAccStateAttached::CancelRequest(CBasrvActive& aActive)

    {

    TRACE_FUNC

    TInt request = aActive.RequestId();

    TAccAudioType type = (request == KRequestIdOpenMonoAudio || request == KRequestIdCloseMonoAudio ) ?

        EAccMonoAudio : EAccStereoAudio;

    TProfiles profile = (type == EAccMonoAudio) ? EAnyMonoAudioProfiles : EStereo;

    CBTAccPlugin* plugin = Parent().AccMan().PluginMan().Plugin(profile);

    if (request == KRequestIdOpenMonoAudio || request == KRequestIdOpenStereoAudio)

        {

        plugin->CancelOpenAudioLink(AccInfo().iAddr);

        Parent().AccMan().OpenAudioCompleted(AccInfo().iAddr, type, KErrCancel);

        }

    else if (request == KRequestIdCloseMonoAudio || request == KRequestIdCloseStereoAudio)

        {

        plugin->CancelCloseAudioLink(AccInfo().iAddr);

        Parent().AccMan().CloseAudioCompleted(AccInfo().iAddr, type, KErrCancel);

        }

    else if (request == KRequestIdTimer)

        {

        iTimer.Cancel();

        }

    else if (request == KRequestIdConnectRemConTG)

        {

        Parent().AccMan().PluginMan().Plugin(ERemConTG)->CancelConnectToAccessory(AccInfo().iAddr);

        }

    }

CBasrvAccStateAttached::CBasrvAccStateAttached(CBasrvAcc& aParent, TBool aShowNote)

    : CBasrvAccState(aParent), iShowNote(aShowNote)

    {

    }

void CBasrvAccStateAttached::HandleAccOpenedAudio(TProfiles aProfile)

    {

    TRACE_FUNC

    TAccAudioType type = (aProfile & EAnyMonoAudioProfiles) ? EAccMonoAudio : EAccStereoAudio;

    TInt latency = Parent().AccMan().PluginMan().AudioLinkLatency(); 

    TInt ret = Parent().AccMan().NotifyAccFwAudioOpened(AccInfo().iAddr, type, latency);

	if (ret == KErrNone)

        {

        UpdateAudioState(EAudioLinkOpen, (aProfile == EStereo) ? EAccStereoAudio : EAccMonoAudio);

        CBasrvAccState::AccOpenedAudio(aProfile);

        Parent().NotifyLinkChange2Rvc();

        if (type == EAccStereoAudio)

            {

            Parent().RequestActiveMode();

            Parent().PreventLowPowerMode();

            Parent().AccMan().PluginMan().Plugin(EStereo)->StartRecording();

            TRAP_IGNORE(DoConnectRemConCtIfNeededL());

            }

        else

            {

            Parent().CancelPowerModeControl();

            }

        }

    StatePrint(_L("Attached"));    

    }

void CBasrvAccStateAttached::DoCloseAudioL(TAccAudioType aType)

    {

    TRACE_FUNC

    TAccAudioType type = (iCloseAudioProfile & EAnyMonoAudioProfiles) ? EAccMonoAudio : EAccStereoAudio;

    if ( type == aType && iTimerActive  && iTimerActive->IsActive())

        {

        TRACE_STATE(_L("[BTAccStateAttached] Timer is cancelled"))   

        iTimerActive->Cancel();

        Parent().AccMan().CloseAudioCompleted(AccInfo().iAddr, type, KErrNone);

        return;

        }    

    TInt requestId = (aType == EAccMonoAudio) ? KRequestIdCloseMonoAudio : KRequestIdCloseStereoAudio;

    if (!iAudioCloser)

        {

        iAudioCloser = CBasrvActive::NewL(*this, CActive::EPriorityStandard, requestId);

        }

    else

        {

        if (iAudioCloser->IsActive())

            {

            LEAVE(KErrAlreadyExists);

            }

        iAudioCloser->SetRequestId(requestId);

        }

    TProfiles profile = (aType == EAccMonoAudio) ? EAnyMonoAudioProfiles : EStereo;

    AccInfo().iAudioOpenedProfiles &= ~profile;

    Parent().NotifyLinkChange2Rvc();

    Parent().AccMan().PluginMan().Plugin(profile)->CloseAudioLink(AccInfo().iAddr, iAudioCloser->iStatus);

    iAudioCloser->GoActive();

    }

void CBasrvAccStateAttached::DoConnectRemConCtIfNeededL()

    {

    TRACE_FUNC

    if (Parent().AccMan().IsAvrcpVolCTSupported() &&

        IsAvrcpTGCat2SupportedByRemote() &&

        !(AccInfo().iConnProfiles & ERemConTG) &&

        !iRemConTGConnector)

        {

        iRemConTGConnector = CBasrvActive::NewL(*this, CActive::EPriorityStandard, KRequestIdConnectRemConTG);

        CBTAccPlugin* plugin = Parent().AccMan().PluginMan().Plugin(ERemConTG);

        TRACE_ASSERT(plugin, KErrNotFound)

        plugin->ConnectToAccessory(AccInfo().iAddr, iRemConTGConnector->iStatus);

        iRemConTGConnector->GoActive();

        }

    }

void CBasrvAccStateAttached::UpdateAudioState(TBTAudioLinkState aState, TAccAudioType aType)

	{

	TBTAudioLinkInfo info;

	info.iAddr = AccInfo().iAddr;

	info.iProfile = (aType == EAccMonoAudio) ? 0 : 1;

	info.iState = aState;

	TPckgBuf<TBTAudioLinkInfo> pkg(info);

	RProperty::Set(KPSUidBluetoothEnginePrivateCategory, KBTAudioLinkStatus, pkg);

	}