// Copyright (c) 2005-2009 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:

// Name          : timerstore.cpp

// Part of       : LightWeightTimer

// Version       : SIP/4.0

//

#include "SipAssert.h"

#include "timerstore.h"

#include "timerrequest.h"

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

// CTimerStore::NewL

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

//

CTimerStore* CTimerStore::NewL()

	{

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

	CleanupStack::PushL(self);	

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

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

// CTimerStore::CTimerStore

// For unit tests the array granularity is set to 1 to cause it to allocate

// memory every time an item is added.

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

//

CTimerStore::CTimerStore()

#ifdef CPPUNIT_TEST

    : iTimerRequests(1)

#endif

	{

	}

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

// CTimerStore::ConstructL

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

//

void CTimerStore::ConstructL()

	{

	iSearchCond = CTimerRequest::NewL();

	}

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

// CTimerStore::~CTimerStore

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

//

CTimerStore::~CTimerStore()

	{

	delete iSearchCond;

    iTimerRequests.ResetAndDestroy();	

	}

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

// CTimerStore::AddL

// aObserver is NULL when aTimerId == MTimerManager::KReservedTimer

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

//

void CTimerStore::AddL(MExpirationHandler* aObserver,

					   TTime aExpirationTime,

				       TTimerId aTimerId,

					   TAny* aTimerParam)

	{    

    __SIP_ASSERT_LEAVE(aObserver || aTimerId == MTimerManager::KReservedTimer,

		               KErrArgument);

    __SIP_ASSERT_LEAVE(aTimerId != MTimerManager::KNoSuchTimer, KErrArgument);

	CTimerRequest* newItem = CTimerRequest::NewL(aTimerId,

												 aExpirationTime,

												 aObserver,

												 aTimerParam);

	TLinearOrder<CTimerRequest> order(CTimerRequest::Compare);

	CleanupStack::PushL(newItem);

	User::LeaveIfError(iTimerRequests.InsertInOrderAllowRepeats(newItem,

                                                                order));

	CleanupStack::Pop(newItem);

	}

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

// CTimerStore::SearchById

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

//

CTimerRequest* CTimerStore::SearchById(TTimerId aTimerId, TInt& aIndex) const

	{

	//There is never a timer in store with the "empty" TimerId value

	if (aTimerId == MTimerManager::KNoSuchTimer)

        {

		return NULL;

        }

	iSearchCond->SetTimerId(aTimerId);

	TIdentityRelation<CTimerRequest> compareId(CTimerRequest::CompareId);

	aIndex = iTimerRequests.Find(iSearchCond, compareId);

	if (aIndex == KErrNotFound)

        {

		return NULL;

        }

	return iTimerRequests[aIndex];    

	}

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

// CTimerStore::ShortestTimer

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

//

TBool CTimerStore::ShortestTimer(TTimerId& aTimerId,

								 TTime& aExpirationTime) const

	{

	if (iTimerRequests.Count() < 1)

        {

		return EFalse;

        }

	aTimerId = iTimerRequests[0]->TimerId();

	aExpirationTime = iTimerRequests[0]->ExpirationTime();

	return ETrue;	

	}

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

// CTimerStore::Remove

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

//

TBool CTimerStore::Remove(TInt aIndex)

	{

    __SIP_ASSERT_RETURN_VALUE(aIndex >= 0, KErrArgument);

	if (aIndex >= iTimerRequests.Count())

        {

		return EFalse;

        }

	CTimerRequest* req = iTimerRequests[aIndex];

	iTimerRequests.Remove(aIndex);

	delete req;

	iTimerRequests.Compress();

	return ETrue;

	}