/*

* 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 <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 KGlxCameraAlbumPromotionPosition = 0;

const TInt KGlxfavoritesAlbumPromotionPosition = 1;

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

//  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()") 

#ifdef _DEBUG

    iStartTime.HomeTime(); 

#endif    

    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 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;

                }

            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();

#ifdef _DEBUG

    iStopTime.HomeTime(); 

    GLX_DEBUG2("GlxDataSrcTaskMdeIdList:DoHandleQueryCompletedL() took %d us",

                     (TInt)iStopTime.MicroSecondsFrom(iStartTime).Int64());

#endif    

    }

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

// CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL

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

//  

void CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL()

    {

    TRACER("CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL()")

    RArray<TGlxMediaId> localList;

    CleanupClosePushL(localList);

    NGlxDataSourceMdsUtility::CopyItemIdArrayL(localList,

            iQueries[0]->ResultIds());

    PostFilterL(localList, iFilterProperties);

    CleanupStack::PopAndDestroy(&localList);

    }     

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

//  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;

		// Here we don't have to push list in cleanup stack as caller function,

		// CGlxDataSourceTaskMdeIdList::DoHandleListQueryCompletedL is already

		// doing that.

		TInt cameraAlbumIndex = list.Find(DataSource()->CameraAlbumId());

		// If Camera Index is not KErrNotFound, 1st Album should be Captured and 

		// 2nd should be Favourites(In Albums List View)		

		if( KErrNotFound != cameraAlbumIndex )

			{	

			list.Remove(cameraAlbumIndex);	

			list.InsertL(DataSource()->CameraAlbumId(), KGlxCameraAlbumPromotionPosition);    			

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

			if( KErrNotFound != favoritesIndex )

				{

				list.Remove(favoritesIndex);

				list.InsertL(DataSource()->FavoritesId(),KGlxfavoritesAlbumPromotionPosition);		

				} 

			}

		else

			{

			// In Selection popup, 1st item should be Favourites(from grid view/fullscreen view

			// and Camera post captured mode) 

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

			if( KErrNotFound != favoritesIndex )

				{

				list.Remove(favoritesIndex);

				list.InsertL(DataSource()->FavoritesId(),KGlxfavoritesAlbumPromotionPosition - 1);		

				} 			

			}

		DoPostFilterComplete(list, KErrNone);

		}

	else

        {

        DoPostFilterComplete(aFilteredList, KErrNone);

        }

    }