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#include "cntsimcontactfetchrequest.h"

#include "cntsymbiansimengine.h"

#include "cntsimstore.h"

#include <qcontactfetchrequest.h>

#include <qcontactlocalidfilter.h>

CntSimContactFetchRequest::CntSimContactFetchRequest(CntSymbianSimEngine *engine, QContactFetchRequest *req)

    :CntAbstractSimRequest(engine, req)

{

    connect( simStore(), SIGNAL(readComplete(QList<QContact>, QContactManager::Error)),

        this, SLOT(readComplete(QList<QContact>, QContactManager::Error)), Qt::QueuedConnection );

}

CntSimContactFetchRequest::~CntSimContactFetchRequest()

{

    cancel();

}

void CntSimContactFetchRequest::run()

{

    QContactFetchRequest *r = req<QContactFetchRequest>();

    if (!r->isActive())

        return;

    // Get filter

    QContactLocalIdFilter lidFilter;

    if (r->filter().type() == QContactFilter::LocalIdFilter) {

        lidFilter = static_cast<QContactLocalIdFilter>(r->filter());

    }        

    // Fetch all contacts and filter the results.

    // Contacts are fetched starting from index 1, all slots are read

    // since slots may be not filled in a sequence.

    int index = 1;

    if (lidFilter.ids().count() == 1) {

        // Optimization for performance. Fetch a single contact from store.

        // This is mainly for CntSymbianSimEngine::contact().

        index = lidFilter.ids().at(0);

        numSlots = 1;

    } 

    QContactManager::Error error = QContactManager::NoError;    

    if (!simStore()->read(index, numSlots, &error)) {

        QContactManagerEngine::updateContactFetchRequest(r, QList<QContact>(), error, QContactAbstractRequest::FinishedState);

    }

}

void CntSimContactFetchRequest::readComplete(QList<QContact> contacts, QContactManager::Error error)    

{

    QContactFetchRequest *r = req<QContactFetchRequest>();

    if (!r->isActive())

        return;

    // Sometimes the sim store will return server busy error. All we can do is

    // wait and try again. The error seems to occur if we try to read from the

    // store right after writing some contacts to it.  

    // This was observed with S60 5.0 HW (Tube).

    if (simStore()->lastAsyncError() == KErrServerBusy) {

        if (waitAndRetry())

            return;

    }

    // Filter & sort results

    QList<QContact> filteredAndSorted;

    for (int i=0; i<contacts.count(); i++) {

            QContactManagerEngine::addSorted(&filteredAndSorted, contacts.at(i), r->sorting());

    }

    // Complete the request

    QContactManagerEngine::updateContactFetchRequest(r, filteredAndSorted, error, QContactAbstractRequest::FinishedState);

}