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#include "qmlbackendmonitorinfo_s60_p.h"

QTM_BEGIN_NAMESPACE

//singleton class object

CBackendMonitorInfo* CBackendMonitorInfo::iBackendMonitorInfo = NULL;

CBackendMonitorInfo* CBackendMonitorInfo::NewL()

{

    if (!iBackendMonitorInfo)

        iBackendMonitorInfo = new CBackendMonitorInfo;

    return iBackendMonitorInfo;

}

//returns the CMonitorTriggerInfo info based on the aTrigID

CMonitorTriggerInfo* CBackendMonitorInfo::getMonitorTriggerInfo(TLbtTriggerId aTrigID)

{

    CMonitorTriggerInfo* currentNode = iMonitorInfo;

    while (currentNode && (currentNode->iTriggerID != aTrigID)) {

        currentNode = currentNode->next;

    }

    return currentNode;

}

//returns the CMonitorTriggerInfo info based on the aParent,aType from the linked list

CMonitorTriggerInfo* CBackendMonitorInfo::getMonitorTriggerInfo(QGeoAreaMonitorS60* aParent, enTriggerType aType)

{

    CMonitorTriggerInfo* currentNode = iMonitorInfo;

    while (currentNode) {

        if ((currentNode->iParent == aParent) && (currentNode->iType == aType))

            break;

        currentNode = currentNode->next;

    }

    return currentNode;

}

//creates and adds a new CMonitorTriggerInfo object to the end of linked list

bool CBackendMonitorInfo::addMonitorTriggerInfo(QGeoAreaMonitorS60* aParent, TLbtTriggerId aTriggerID, enTriggerType aType)

{

    CMonitorTriggerInfo* currentNode = NULL;

    CMonitorTriggerInfo* temp = new CMonitorTriggerInfo;

    if (!temp) {

        return FALSE;

    }

    temp->iTriggerID = aTriggerID;

    temp->iParent = aParent;

    temp->iType = aType;

    temp->next = NULL;

    currentNode = iMonitorInfo;

    while (currentNode && (currentNode->next != NULL))

        currentNode = currentNode->next;

    if (!currentNode) {

        iMonitorInfo = temp;

    } else {

        currentNode->next = temp;

    }

    return TRUE;

}

//deletes the node corresponding to aTrigID

void CBackendMonitorInfo::removeMonitorTriggerInfo(TLbtTriggerId aTrigID)

{

    CMonitorTriggerInfo* currentNode = NULL;

    CMonitorTriggerInfo* prevNode = NULL;

    currentNode = prevNode = iMonitorInfo;

    while (currentNode && (currentNode->iTriggerID != aTrigID)) {

        prevNode = currentNode;

        currentNode = currentNode->next;

    }

    if (currentNode == NULL)

        return;

    else if (currentNode == iMonitorInfo) {

        iMonitorInfo = currentNode->next;

    }

    else {

        prevNode->next = currentNode->next;

    }

    delete currentNode;

}

//deletes all the nodes in the linked list

CBackendMonitorInfo::~CBackendMonitorInfo()

{

    CMonitorTriggerInfo* currentNode = NULL;

    CMonitorTriggerInfo* prevNode = NULL;

    prevNode = iMonitorInfo;

    while (prevNode) {

        currentNode = prevNode;

        prevNode = prevNode->next;

        delete currentNode;

    }

    iMonitorInfo = NULL;

    iBackendMonitorInfo = NULL;

}

QTM_END_NAMESPACE