/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  class implementation

*

*/

#include "activerequests.h"

#include "entitykeys.h"

#include "sysnetworkrequest.h"

#include "sysaccessoryrequest.h"

#include "sysconnectionrequest.h"

#include "sysuseractivity.h"

#include "sysrequest.h"

using namespace SysInfo;

const TInt KGranularity(2);

RPointerArray<CActiveRequest> ActiveStore::iHandlers(KGranularity);

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

// CActiveRequest::CActiveRequest()

// C++ default constructor.

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

//

CActiveRequest::CActiveRequest(TSysRequest::TRequestType aReqType, 

                                TInt32 aTransID,

                                ISystemObserver* aObsrvr)

                                :CActive(EPriorityNormal),

                                iTransactionID(aTransID),

                                iRequestType(aReqType),

                                iObserver(aObsrvr)

    {

    CActiveScheduler::Add(this);

    }

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

// CActiveRequest::~CActiveRequest()

// destructor

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

//

CActiveRequest::~CActiveRequest()

    {

    }

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

// CActiveRequest::CreateActiveRequestL()

// static factory method to create asynchronous requests.

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

//

void CActiveRequest::CreateActiveRequestL(const TSysRequest& aSysRequest,

                                            CActiveRequest*& aActiveObj)

    {

    const TPtrC Entity = aSysRequest.Entity();

    const TPtrC Key =	aSysRequest.Key();

    aActiveObj = NULL;

    if ( !Entity.CompareF(KNetwork) )

        CreateNetworkRequestL(aSysRequest,aActiveObj);

    else if( !Entity.CompareF(KGeneral) )

        CreateGeneralRequestL(aSysRequest,aActiveObj);

    else if( !Entity.CompareF(KBattery) )

        {

        // Battery Entity Keys.

        if( !Key.CompareF(KChargingStatus) )

            aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                            CPubSubNotifier::EChargingStatus);

        else if( !Key.CompareF(KBatteryStrength) )

            aActiveObj = CNetwork::NewL(aSysRequest,

                                                CNetwork::EBatteryStrength);

        else

            User::Leave(KErrNotFound);

        }

    else if( !Entity.CompareF(KConnectivity) )

        {

        // Connectivity Entity Keys.

        if( !Key.CompareF(KBlueTooth))

            aActiveObj = CCenrepNotifier::NewL(aSysRequest,

                                                CCenrepNotifier::EBlueTooth);

        else if( !Key.CompareF(KInfraRed) )

            aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                                CPubSubNotifier::EInfraRed);

        else if( (!Key.CompareF(SysInfo::KConnectionStatus)) 

                        || (!Key.CompareF(SysInfo::KActiveConnections)))

            aActiveObj = CConnection::NewL(aSysRequest);

        else

            User::Leave(KErrNotFound);

        }

    else if( !Entity.CompareF(KDisplay))

        {

        // Display keys.

        if ( !Key.CompareF(KUserInactivity) )

            aActiveObj = CUserActivity::NewL(aSysRequest);

        else if( !Key.CompareF(KAutoLockStatus) )

            aActiveObj = CCenrepNotifier::NewL(aSysRequest,

                                                CCenrepNotifier::EKeyLock);

        else

            User::Leave(KErrNotFound);

        }

    else if( !Entity.CompareF(KMemory))

        {

        if ( !Key.CompareF(KCriticalMemory) )

            aActiveObj = CCriticalMemNotifier::NewL(aSysRequest);

        else if( !Key.CompareF(KMemoryCard) )

            aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                            CPubSubNotifier::EMemoryCard);

        else

            User::Leave(KErrNotFound);

        }

    //Ensure we don't return NULL handle.

    if(!aActiveObj)

        User::Leave(KErrNotFound);

    }

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

// CActiveRequest::CreateActiveRequestL()

// creates active objs related to Network entity.

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

//

void CActiveRequest::CreateNetworkRequestL(const TSysRequest& aSysRequest,

                                            CActiveRequest*& aActiveObj)

    {

    TPtrC Key = aSysRequest.Key();

    // parse network entity keys.

    if ( !Key.CompareF(SysInfo::KSignalStrength) )

        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ESignalStrength);

    else if ( !Key.CompareF(KRegistrationStatus) )

        aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                    CPubSubNotifier::ERegistrationStatus);

    else if ( !Key.CompareF(SysInfo::KNetworkMode) )

        aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                            CPubSubNotifier::ENetworkMode);

    else if ( !Key.CompareF(KHomeNetwork) )

        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::EHomeNetworkInfo);

    else if ( !Key.CompareF(KCurrentNetwork) )

        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ECurrentNetworkInfo);

    else if ( !Key.CompareF(KLocationArea) )

        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ELocationAreaCode);

    else if ( !Key.CompareF(KCellID) )

        aActiveObj = CNetwork::NewL(aSysRequest,CNetwork::ECellId);

    else

        User::Leave(KErrNotFound);

    }

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

// CActiveRequest::CreateGeneralRequestL()

// creates active objs related general entity.

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

//

void CActiveRequest::CreateGeneralRequestL(const TSysRequest& aSysRequest,

                                                CActiveRequest*& aActiveObj)

    {

    TPtrC Key = aSysRequest.Key();

    //parse general entity keys.

    if ( !Key.CompareF(KAccessoryStatus) )

        aActiveObj = CAccessory::NewL(aSysRequest);

    else if( !Key.CompareF(KInputLanguage) )

        aActiveObj = CCenrepNotifier::NewL(aSysRequest,

                                            CCenrepNotifier::EInputLanguage);

    else if( !Key.CompareF(KPridictiveText) )

        aActiveObj = CCenrepNotifier::NewL(aSysRequest,

                                            CCenrepNotifier::EPridictiveText);

    else if( !Key.CompareF(KVibraActive) )

        aActiveObj = CCenrepNotifier::NewL(aSysRequest,CCenrepNotifier::EVibra);

    else if( !Key.CompareF(KFlipStatus) )

        aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                                CPubSubNotifier::EFlipStatus);

    else if( !Key.CompareF(KGripStatus) )

        aActiveObj = CPubSubNotifier::NewL(aSysRequest,

                                                CPubSubNotifier::EGripStatus);

    else

        User::Leave(KErrNotFound);

    }

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

// ActiveStore::AddRequestL()

// appends an active request to the active obj store.

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

//

void ActiveStore::AddRequestL(const CActiveRequest* aActiveReq )

    {

    TInt ActiveReqCnt = iHandlers.Count();

    // add active obj to store only if this transaction id 

    // doesn't exists before.

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

        {

        if(iHandlers[i]->TransactionID() == aActiveReq->TransactionID())

            User::Leave(KErrAlreadyExists);

        }

    //append the request.

    iHandlers.AppendL(aActiveReq);

    }

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

// ActiveStore::RemoveRequest()

// removes an active request from active obj store or performs cancel

// operation on the active object.

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

//

TInt ActiveStore::RemoveRequest(TInt32 aTransID)

    {

    TInt ActiveReqCnt = iHandlers.Count();

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

        {

        // Identify object associated with this transaction ID.

        if(iHandlers[i]->TransactionID() == aTransID)

            {

            CActiveRequest* ActiveObject = iHandlers[i];

            //delete active request. 

            delete ActiveObject;

            //Removes this request from RPointerArray.

            iHandlers.Remove(i);

            return KErrNone;

            }

        }

    //specified transaction id doesn't exists in store.

    return KErrNotFound;

    }

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

// ActiveStore::ReleaseResourcesL()

// removes all active requests in active obj store and release all

// memory associated with this static class.

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

//

void ActiveStore::ReleaseResources()

    {

    TInt count = iHandlers.Count();

    if(count>0)

        {

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

            {

            CActiveRequest* activeObject = iHandlers[i];

            //delete active request.

            delete activeObject;

            }

        //de-allocate all the pointer memory allocated.

        iHandlers.Reset();

        }

    //Close the pointer array to free all the memory allocated to it.

    iHandlers.Close();

    }