/*

 * Copyright (c) 2010 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:

 *     The source file for mde tone fetcher.

 *

 */

// SYSTEM INCLUDES

#include <XQConversions>

#include <pathinfo.h>

#include <bautils.h>

#include <centralrepository.h>

#include <ProfileEngineDomainCRKeys.h>

#include <QMap>

// USER INCLUDES

#include "msgaudioselectionengine.h"

// CONSTANTS

_LIT( KAmrMime, "audio/amr" );

MsgAudioSelectionEngine::MsgAudioSelectionEngine():iQuery(NULL)

    {

    }

MsgAudioSelectionEngine::~MsgAudioSelectionEngine()

    {

    delete iQuery;

    delete iSession;

    }

void MsgAudioSelectionEngine::CreateMetaDataSession()

{

    QT_TRAP_THROWING(iSession = CMdESession::NewL(*this));

}

void MsgAudioSelectionEngine::HandleSessionOpened(CMdESession& /*aSession*/,

        TInt aError)

    {

    if (aError != KErrNone)

        {

        delete iSession;

        iSession = 0;

        iSessionOpen = EFalse;

        emit mdeSessionError(aError);

        }

    else

        {

        iSessionOpen = ETrue;

        TRAP_IGNORE( AddObjectObserverL() );

        emit mdeSessionOpened();

        }

    }

void MsgAudioSelectionEngine::HandleSessionError(CMdESession& /*aSession*/,

        TInt aError)

    {

    if (aError == KErrNone)

        {

        return;

        }

    delete iSession;

    iSession = 0;

    iSessionOpen = EFalse;

    emit mdeSessionError(aError);

    }

void MsgAudioSelectionEngine::HandleQueryNewResults(CMdEQuery& /*aQuery*/,

        TInt /*aFirstNewItemIndex*/, TInt /*aNewItemCount*/)

    {

    }

void MsgAudioSelectionEngine::HandleObjectNotification(

        CMdESession& /*aSession*/, TObserverNotificationType aType,

        const RArray<TItemId>& /*aObjectIdArray*/)

    {

    if (aType == ENotifyAdd || aType == ENotifyModify || aType

            == ENotifyRemove)

        {

        emit notifyObjectChanged();

        }

    }

void MsgAudioSelectionEngine::AddObjectObserverL()

    {

    if (iSessionOpen)

        {

        TUint32 notificationType = ENotifyAdd | ENotifyModify | ENotifyRemove;

        q_check_ptr(iSession);

        CMdENamespaceDef& defNS = iSession->GetDefaultNamespaceDefL();

        iSession->AddObjectObserverL(*this, 0, notificationType, &defNS);

        iSession->AddObjectPresentObserverL(*this);

        }

    }

void MsgAudioSelectionEngine::HandleObjectPresentNotification(

        CMdESession& /*aSession*/, TBool /*aPresent*/,

        const RArray<TItemId>& aObjectIdArray)

    {

    if (aObjectIdArray.Count() > 0)

        {

        emit notifyObjectChanged();

        }

    }

void MsgAudioSelectionEngine::HandleQueryCompleted(CMdEQuery& aQuery,

        TInt aError)

    {

    TRAP_IGNORE(HandleQueryCompletedL(aQuery, aError));

    }

void MsgAudioSelectionEngine::HandleQueryCompletedL(CMdEQuery& aQuery,

        TInt aError)

    {

    iNameList.clear();

    iUriList.clear();

    if (aError == KErrCancel)

        {

        emit queryError(aError);

        return;

        }

    else

        {

        QMap<QString,QString> nameUriList;

        CMdEObjectQuery* query = static_cast<CMdEObjectQuery*> (&aQuery);

        TInt count = query->Count();

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

            {

            CMdEObject* object =

                    (CMdEObject*) query->TakeOwnershipOfResult(i);

            CleanupStack::PushL(object);

            CMdEPropertyDef& propDef = MsgAudioSelectionEngine::PropertyDefL(

                    iSession, MsgAudioSelectionEngine::EAttrFileName);

            CMdEProperty* property = 0;

            TInt err = object->Property(propDef, property, 0);

            if (err != KErrNotFound && property)

                {

                QString songName(XQConversions::s60DescToQString(

                        property->TextValueL()));

                QString uriValue(XQConversions::s60DescToQString(

                        object->Uri()));

                //insert into the map

                nameUriList.insertMulti(uriValue, songName);

                }

            CleanupStack::PopAndDestroy(object);

            }

        //now get all the song names and sort them

        iNameList = nameUriList.values();

        iNameList.sort();

        // go through the song list and get the associated uri

        // insert into the uri list

        int nameListTotal = iNameList.count();

        for(int nameListCount = 0; 

                nameListCount<nameListTotal;

                nameListCount++)

            {

            QString key = nameUriList.key(iNameList.at(nameListCount));

            iUriList.append(key);

            nameUriList.remove(key);                        

            }

        // emit the list to the model

        emit queryComplete(iNameList, iUriList);

        }

    }

void MsgAudioSelectionEngine::QueryTones()

    {

    TRAP_IGNORE(QueryTonesL());

    }

void MsgAudioSelectionEngine::QueryTonesL()

    {

    LeaveIfSessionClosedL();

    CMdENamespaceDef& defNS = iSession->GetDefaultNamespaceDefL();

    CMdEObjectDef& musicObjectDef = defNS.GetObjectDefL(

            MdeConstants::Audio::KAudioObject);

    delete iQuery;

    iQuery = 0;

    iQuery = iSession->NewObjectQueryL(defNS, musicObjectDef, this);

    CMdEPropertyDef& titlePropertyDef = musicObjectDef.GetPropertyDefL(

            MdeConstants::Object::KTitleProperty);

    CMdEPropertyDef& typePropertyDef = musicObjectDef.GetPropertyDefL(

            MdeConstants::Object::KItemTypeProperty);

    // set attributes that are included in query result

    iQuery->AddPropertyFilterL(&titlePropertyDef);

    iQuery->AddPropertyFilterL(&typePropertyDef);

    iQuery->SetResultMode(EQueryResultModeItem);

    // get root condition

    CMdELogicCondition& conditions = iQuery->Conditions();

    conditions.AddPropertyConditionL(typePropertyDef,

            ETextPropertyConditionCompareEquals, KAmrMime);

    iQuery->FindL();

    }

void MsgAudioSelectionEngine::LeaveIfSessionClosedL()

    {

    if (!iSession || !iSessionOpen)

        {

        qt_symbian_throwIfError (KErrDisconnected);

        }

    }

CMdEPropertyDef& MsgAudioSelectionEngine::PropertyDefL(TInt aAttr)

    {

    q_check_ptr(iSession);

    return PropertyDefL(iSession, aAttr);

    }

CMdEPropertyDef& MsgAudioSelectionEngine::PropertyDefL(CMdESession* aSession,

        TInt aAttr)

    {

    CMdENamespaceDef& defNS = aSession->GetDefaultNamespaceDefL();

    CMdEObjectDef& objectDef = defNS.GetObjectDefL(

            MdeConstants::Audio::KAudioObject);

    if (aAttr == EAttrFileSize)

        {

        return objectDef.GetPropertyDefL(MdeConstants::Object::KSizeProperty);

        }

    else if (aAttr == EAttrMediaType)

        {

        return objectDef.GetPropertyDefL(

                MdeConstants::Object::KItemTypeProperty);

        }

    else if (aAttr == EAttrSongName || aAttr == EAttrFileName)

        {

        return objectDef.GetPropertyDefL(MdeConstants::Object::KTitleProperty);

        }

    else if (aAttr == EAttrArtist)

        {

        return objectDef.GetPropertyDefL(

                MdeConstants::MediaObject::KArtistProperty);

        }

    else if (aAttr == EAttrAlbum)

        {

        return objectDef.GetPropertyDefL(MdeConstants::Audio::KAlbumProperty);

        }

    else if (aAttr == EAttrGenre)

        {

        return objectDef.GetPropertyDefL(

                MdeConstants::MediaObject::KGenreProperty);

        }

    else if (aAttr == EAttrComposer)

        {

        return objectDef.GetPropertyDefL(

                MdeConstants::Audio::KComposerProperty);

        }

    else

        {

        qt_symbian_throwIfError(KErrNotSupported);

        }

    return objectDef.GetPropertyDefL(MdeConstants::Object::KTitleProperty);

    }

void MsgAudioSelectionEngine::SetAttr(int attr, int value)

    {

    switch (attr)

        {

    case MsgAudioSelectionEngine::EAttrFileSize:

            {

            iMaxFileSize = value;

            break;

            }

    default:

        {

        break;

        }

    }

}

// End of File