/*
* 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);
        }
    }