/*

* Copyright (c) 2008-2009 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: The Data Source Task MDS IDlist class   

*

*/

/**

 * @internal reviewed 11/07/2007 by M Byrne

 */

#include "glxdatasourcetaskmdsidlist.h"

#include <glxcollectionplugincamera.hrh>

#include <glxcollectionplugindownloads.hrh>

#include <glxcollectionpluginmonths.hrh>

#include <glxcollectionpluginalbums.hrh>

#include <glxcollectionpluginall.hrh>

#include <glxcollectionplugintags.hrh>

#include <glxcollectionpluginimageviewer.hrh>

#include <glxerrors.h>

#include <glxfilterfactory.h>

#include <glxgetrequest.h>

#include <glxidlistrequest.h>

#include <glxidlistrequest.h>

#include <glxlog.h>

#include <glxmediacollectioninternaldefs.h>

#include <glxmediageneraldefs.h>

#include <glxrequest.h>

#include <glxthumbnailattributeinfo.h>

#include <glxthumbnailrequest.h>

#include <glxtndatabase.h>

#include <glxtnfileinfo.h>

#include <glxtnthumbnailcreator.h>

#include <glxtracer.h>

#include <lbsposition.h>

#include <mdeconstants.h>

#include <mdelogiccondition.h>

#include <mdeobject.h>

#include <mdeobjectdef.h>

#include <mdeobjectquery.h>

#include <mdepropertydef.h>

#include <mderelationdef.h>

#include <mdesession.h>

#include <mdetextproperty.h>

#include <mpxmedia.h>

#include <mpxmediaarray.h> 

#include <mpxmediacollectiondetaildefs.h>

#include <mpxmediacontainerdefs.h>

#include <mpxmediadrmdefs.h>

#include <mpxmediageneraldefs.h>

#include "glxdatasourcemds.h"

#include "glxdatasourcemds.hrh"

#include "glxdatasourcemdsutility.h"

// CONSTANTS

//const TInt KGlxAlbumPromotionPosition = 0;

_LIT(KPropertyDefNameCreationDate, "CreationDate");

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

//  Constructor

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

//	

CGlxDataSourceTaskMdeIdList::CGlxDataSourceTaskMdeIdList(CGlxIdListRequest* aRequest,

        MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource)

    : CGlxDataSourceTaskMde(aRequest, aObserver, aDataSource)

    {

    TRACER("CGlxDataSourceTaskMdeIdList::CGlxDataSourceTaskMdeIdList()")

    iFilterProperties = TGlxFilterFactory::ExtractAttributes(iRequest->Filter());

    }

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

//  Destructor

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

//		

CGlxDataSourceTaskMdeIdList::~CGlxDataSourceTaskMdeIdList()

    {

    TRACER("CGlxDataSourceTaskMdeIdList::~CGlxDataSourceTaskMdeIdList()")

    // No implementation required

    }

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

// CGlxDataSourceTaskMde::FilterAvailableComplete

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

//  

void CGlxDataSourceTaskMdeIdList::FilterAvailableComplete(

                                const RArray<TGlxMediaId>& aIdArray, TInt aErrorCode)

    {

    TRACER("CGlxDataSourceTaskMdeIdList::FilterAvailableComplete()")

    DoPostFilterComplete(aIdArray, aErrorCode);

    }

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

//  CGlxDataSourceTaskMdeIdList::ExecuteRequestL

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

//

void CGlxDataSourceTaskMdeIdList::ExecuteRequestL()

    {

    TRACER("CGlxDataSourceTaskMdeIdList::ExecuteRequestL()") 

    CGlxIdListRequest* request = static_cast<CGlxIdListRequest*>(iRequest);

    TGlxMediaId container = request->ContainerId();

    TGlxQueryType queryType = EIdListQuery;

    TQueryResultMode resultMode = EQueryResultModeId;

    CMdEObjectDef* objectDef = &DataSource()->ObjectDef();

    TBool isContent = ETrue;

    if( KGlxCollectionRootId == container.Value() )    // The root.

        {

        switch(request->CollectionPluginUid().iUid)

            {

            case KGlxCollectionPluginAlbumsImplementationUid:

                {

                isContent = EFalse;

                objectDef = &DataSource()->AlbumDef();

                break;

                }

            case KGlxCollectionPluginCameraImplementationUid:

                {

                iFilterProperties.iOrigin = EGlxFilterOriginCamera;

                break;

                }

            case KGlxTagCollectionPluginImplementationUid: 

                {

                isContent = EFalse;

                objectDef = &DataSource()->TagDef();

                break;

                }

            case KGlxCollectionPluginMonthsImplementationUid:

                {

                iFilterProperties.iOrigin = EGlxFilterOriginAll;          

                container = TGlxMediaId(KGlxCollectionRootId);

                resultMode = EQueryResultModeItem;

                break;

                }

            case KGlxCollectionPluginImageViewerImplementationUid:

                {

                RArray<TGlxMediaId> list;

                CleanupClosePushL(list);

                list.AppendL(TGlxMediaId(request->CollectionPluginUid().iUid));

                DoPostFilterComplete(list, KErrNone);

                CleanupStack::PopAndDestroy(&list);

                return;

                }

            default:

                {

                // default gallery query returns all objects as per filter

                break;

                }

            }

        }

    else    // return the content of a container

        {

        switch(request->CollectionPluginUid().iUid)

            {

            case KGlxCollectionPluginAlbumsImplementationUid:

                {

                objectDef = &DataSource()->AlbumDef();

                break;

                }

            case KGlxTagCollectionPluginImplementationUid: 

                {

                objectDef = &DataSource()->TagDef();

                break;

                }

            case KGlxCollectionPluginMonthsImplementationUid: 

                {

				iFilterProperties.iOrigin = EGlxFilterOriginAll;

                AddMonthFilterL(container, iFilterProperties);

                container = TGlxMediaId(KGlxCollectionRootId);

                break;

                }

            default:

                {

                User::Leave(KErrNotSupported);

                break;

                }

            }

        }

    DoQueryL(*objectDef, isContent, queryType, resultMode, container);  

    }

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

// CGlxDataSourceTaskMde::DoHandleQueryCompletedL

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

//

void CGlxDataSourceTaskMdeIdList::DoHandleQueryCompletedL(CMdEQuery& /*aQuery*/)

    {

    TRACER("CGlxDataSourceTaskMdeIdList::DoHandleQueryCompletedL()")

    __ASSERT_DEBUG(iQueryTypes[0] == EIdListQuery, Panic(EGlxPanicLogicError));

    DoHandleListQueryCompletedL();

    }

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

// CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL

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

//  

void CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL()

    {

    TRACER("CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL()")

    if(iQueries[0]->ResultMode() == EQueryResultModeItem)

        {

        DoMonthListCreationL(*iQueries[0], iFilterProperties);

        }

    else // only id or item supported

        {

        RArray<TGlxMediaId> localList;

        CleanupClosePushL(localList);

        NGlxDataSourceMdsUtility::CopyItemIdArrayL(localList,iQueries[0]->ResultIds());

        PostFilterL(localList, iFilterProperties);

        CleanupStack::PopAndDestroy(&localList);

        }

    }     

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

// CGlxDataSourceTaskMdeIdList::DoMonthListCreationL

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

//      

void CGlxDataSourceTaskMdeIdList::DoMonthListCreationL(CMdEQuery& aQuery,

                                  const TGlxFilterProperties& aFilterProperties)

    {

    TRACER("CGlxDataSourceTaskMdeIdList::DoMonthListCreationL()")

    CMdEProperty* time;

    CMdEPropertyDef& creationDateDef = DataSource()->ObjectDef().GetPropertyDefL(KPropertyDefNameCreationDate);

    if (creationDateDef.PropertyType() != EPropertyTime)

        {

        User::Leave(KErrCorrupt);

        }

    RArray<TGlxMediaId> monthList;

    CleanupClosePushL(monthList);

    TTime lastMonth;

    TTime currentMonth;

    TInt count = aQuery.Count();

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

        {

        CMdEObject& object = (CMdEObject&)aQuery.ResultItem(i);

        TInt timeIndex = object.Property(creationDateDef, time);

        if( KErrNotFound == timeIndex )

            {

            User::Leave(KErrCorrupt);

            }

        currentMonth = static_cast<CMdETimeProperty*>(time)->Value();

        if( !DataSource()->SameMonth(lastMonth, currentMonth) )

            {

            const TGlxMediaId monthId = DataSource()->GetMonthIdL(currentMonth);

            monthList.AppendL(monthId);

            lastMonth = currentMonth;

            }

        }

    PostFilterL(monthList, aFilterProperties);

    CleanupStack::PopAndDestroy(&monthList);

    }

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

//  CGlxDataSourceTaskMdeIdList::DoPostFilterComplete

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

//

void CGlxDataSourceTaskMdeIdList::DoPostFilterComplete(

                                const RArray<TGlxMediaId>& aIdArray, TInt aErrorCode)

    {

    TRACER("CGlxDataSourceTaskMdeIdList::DoPostFilterComplete()")

    if (aErrorCode == KErrNone)

    	{

    	TRAP(aErrorCode, ListToMediaL(aIdArray));

    	}

    HandleRequestComplete(aErrorCode);

    }

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

// CGlxDataSourceTaskMde::PostFilterL

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

//		

void CGlxDataSourceTaskMdeIdList::PostFilterL(const RArray<TGlxMediaId>& 

                   aFilteredList, const TGlxFilterProperties& aFilterProperties)

    {

    TRACER("CGlxDataSourceTaskMdeIdList::PostFilterL()")

	if( aFilterProperties.iPromoteSystemItems )

		{

		RArray<TGlxMediaId> list = aFilteredList;

		/*

		TInt favoritesIndex = list.Find(DataSource()->FavoritesId());

		if( KErrNotFound != favoritesIndex )

			{

			list.Remove(favoritesIndex);

			list.Insert(DataSource()->FavoritesId(), KGlxAlbumPromotionPosition);

			}

		*/			

		DoPostFilterComplete(list, KErrNone);

		}

	else

            {

            DoPostFilterComplete(aFilteredList, KErrNone);

            }

    }