// Copyright (c) 2006-2009 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:

//

#include "pbaplogeng.h"

#include "btaccesshostlog.h"

//

// CPbapLogWrapper

//

/*static*/ EXPORT_C CPbapLogWrapper* CPbapLogWrapper::NewL(RFs& aFs)

	{

	LOG_STATIC_FUNC

	CPbapLogWrapper* self = new(ELeave) CPbapLogWrapper;

	CleanupStack::PushL(self);

	self->ConstructL(aFs);

	CleanupStack::Pop(self);

	return self;

	}

CPbapLogWrapper::CPbapLogWrapper()

	{

	LOG_FUNC

	}

void CPbapLogWrapper::ConstructL(RFs& aFs)

	{

	LOG_FUNC

	// create the CLogWrapper to forward requests to.

	iLogWrapper = CLogWrapper::NewL(aFs);

	if (iLogWrapper->ClientAvailable())

		{

		iLogClient = static_cast<CLogClient*>(&iLogWrapper->Log());

		}

	else

		{

		// if no client is available then we have no access to the call history

		// information. The PBAP server will continue anyway but only giving

		// access to the contact information.

		User::Leave(KErrNotSupported);

		}

	}

EXPORT_C  CPbapLogWrapper::~CPbapLogWrapper()

	{

	LOG_FUNC

	iPbapObservers.Close();

	delete iLogWrapper;	

	}

EXPORT_C  TBool CPbapLogWrapper::ClientAvailable() const

	{

	LOG_FUNC	

	return iLogWrapper->ClientAvailable();

	}

EXPORT_C  TInt CPbapLogWrapper::GetString(TDes &aString, TInt aId) const

	{

	LOG_FUNC

	return iLogClient->GetString(aString, aId);

	}

CLogClient& CPbapLogWrapper::LogClient()

	{

	LOG_FUNC

	return  *iLogClient;

	}

TInt CPbapLogWrapper::AddPbapObserver(MPbapLogEngViewObserver& aObserver)

	{

	LOG_FUNC

	TInt rerr = iPbapObservers.Append(&aObserver);

	if ((iPbapObservers.Count() == 1) && (rerr == KErrNone))

		{

		// first observer was just successfully added, register for global events

		TRAP(rerr, iLogClient->SetGlobalChangeObserverL(this));

		}

	return rerr;

	}

void CPbapLogWrapper::RemovePbapObserver(MPbapLogEngViewObserver& aObserver)

	{

	LOG_FUNC

	for (TInt i = iPbapObservers.Count() - 1; i >= 0; i--)

		{

		if (iPbapObservers[i] == &aObserver)

			{

			iPbapObservers.Remove(i); // don't delete - it's not ours!

			}

		}

	if (iPbapObservers.Count() == 0)

		{

		// no more observers, deregister for global events

		TRAP_IGNORE(iLogClient->SetGlobalChangeObserverL(NULL));

		}

	}

// from MLogClientChangeObserver

void CPbapLogWrapper::HandleLogClientChangeEventL(TUid aChangeType, TInt aParam1, TInt aParam2, TInt aParam3)

	{

	LOG_FUNC

	// Notify all of the PBAP Observers and turn the LogEng Global events into PBAP view events

	for (TInt i = iPbapObservers.Count() - 1; i >= 0; i--)

		{

		iPbapObservers[i]->PbapLogEngViewChangeEventL(aChangeType, aParam1, aParam2, aParam3);

		}

	}

//

// CPbapLogViewEvent

//

/*static*/ EXPORT_C CPbapLogViewEvent* CPbapLogViewEvent::NewL(CPbapLogWrapper& aLogWrap)

	{

	LOG_STATIC_FUNC

	CPbapLogViewEvent* self = new(ELeave) CPbapLogViewEvent(aLogWrap);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/*static*/ EXPORT_C CPbapLogViewEvent* CPbapLogViewEvent::NewL(CPbapLogWrapper& aLogWrap, MPbapLogEngViewObserver& aObserver)

	{

	LOG_STATIC_FUNC

	CPbapLogViewEvent* self = new(ELeave) CPbapLogViewEvent(aLogWrap);

	CleanupStack::PushL(self);

	self->ConstructL(&aObserver);

	CleanupStack::Pop(self);

	return self;

	}

CPbapLogViewEvent::CPbapLogViewEvent(CPbapLogWrapper& aLogWrap) : iWrapper(aLogWrap)

	{

	LOG_FUNC

	}

void CPbapLogViewEvent::ConstructL(MPbapLogEngViewObserver* aObserver)

	{

	LOG_FUNC

	// create the CLogViewEvent to forward requests to.

	if (aObserver != NULL)

		{

		// store the observer and add it receive global logeng events

		User::LeaveIfError(iWrapper.AddPbapObserver(*aObserver));

		iPbapObserver = aObserver;

		iViewEvent = CLogViewEvent::NewL(iWrapper.LogClient(), *this);

		}

	else

		{

		iViewEvent = CLogViewEvent::NewL(iWrapper.LogClient());

		}

	}

EXPORT_C  CPbapLogViewEvent::~CPbapLogViewEvent()

	{

	LOG_FUNC

	if (iPbapObserver)

		{

		// remove observer from receiving global events

		iWrapper.RemovePbapObserver(*iPbapObserver);

		}

	delete iViewEvent;

	}

EXPORT_C TBool CPbapLogViewEvent::SetFilterL(const CLogFilterList& aFilterList, TRequestStatus& aStatus)

	{

	LOG_FUNC

	return iViewEvent->SetFilterL(aFilterList, aStatus);

	}

EXPORT_C TBool CPbapLogViewEvent::SetFilterL(const CLogFilter& aFilter, TRequestStatus& aStatus)

	{

	LOG_FUNC

	return iViewEvent->SetFilterL(aFilter, aStatus);

	}

EXPORT_C const CLogEvent& CPbapLogViewEvent::Event() const

	{

	LOG_FUNC

	return iViewEvent->Event();

	}

EXPORT_C TBool CPbapLogViewEvent::FirstL(TRequestStatus& aStatus)

	{

	LOG_FUNC

	return iViewEvent->FirstL(aStatus);	

	}

EXPORT_C TBool CPbapLogViewEvent::NextL(TRequestStatus& aStatus)

	{

	LOG_FUNC

	return iViewEvent->NextL(aStatus);	

	}

EXPORT_C TInt CPbapLogViewEvent::CountL()

	{

	LOG_FUNC

	return iViewEvent->CountL();	

	}

EXPORT_C void CPbapLogViewEvent::Cancel()

	{

	LOG_FUNC

	iViewEvent->Cancel();

	}

// from MLogViewChangeObserver, pass all events to the PBAP view event observer

void CPbapLogViewEvent::HandleLogViewChangeEventAddedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)

	{

	LOG_FUNC

	iPbapObserver->PbapLogEngViewChangeEventAddedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);

	}

void CPbapLogViewEvent::HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)

	{

	LOG_FUNC

	iPbapObserver->PbapLogEngViewChangeEventChangedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);

	}

void CPbapLogViewEvent::HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)

	{

	LOG_FUNC

	iPbapObserver->PbapLogEngViewChangeEventDeletedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);

	}