/*

* 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 thumbnail  class 

*

*/

#include "glxdatasourcetaskmdsthumbnail.h"

#include <caf/content.h>

#include <glxcollectionplugincamera.hrh>

#include <glxcollectionpluginalbums.hrh>

#include <glxcollectionpluginall.hrh>

#include <glxcollectionplugintags.hrh>

#include <glxerrors.h>

#include <glxfilterfactory.h>

#include <glxgetrequest.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"

// CONSTANTS

_LIT(KPropertyDefNameLastModifiedDate, "LastModifiedDate");

_LIT(KPropertyDefNameDRM, "DRM");

_LIT(KPropertyDefNameItemType, "ItemType");

_LIT(KPropertyDefNameSize, "Size");

_LIT(KUnsupportedItemType,  "video/x-pn-realvideo");

_LIT(KUnsupportedItemType1, "video/x-pn-multirate-realvideo");

_LIT(KUnsupportedItemType2, "video/vnd.rn-realvideo");

_LIT(KUnsupportedItemType3, "video/x-ms-wmv");

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

//  IsUnsupportedL

//  Tests to see if an item type is unsupported

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

//  

TBool IsUnsupportedL(CMdESession& aSession, TItemId aItemId)

	{

    TRACER("IsUnsupportedL()");

	TBool isUnsupported = EFalse;

    CMdEObject* item = aSession.GetObjectL(aItemId);

    if (!item)

    	{

    	User::Leave(KErrNotFound);

    	}

    CleanupStack::PushL(item);

    CMdEProperty* itemType = NULL;

    CMdEPropertyDef& itemTypeProperty = item->Def().GetPropertyDefL(KPropertyDefNameItemType);

    TInt itemTypeIndex = item->Property(itemTypeProperty, itemType);

    if (itemTypeIndex > KErrNotFound)

    	{

    	const TDesC& des = static_cast< CMdETextProperty *>(itemType)->Value();

    	if (des.Compare(KUnsupportedItemType) == 0 || 

    	    des.Compare(KUnsupportedItemType1) == 0 || 

    	    des.Compare(KUnsupportedItemType2) == 0 ||

    	    des.Compare(KUnsupportedItemType3) == 0)

    		{

    		// The item is unsupported

    		isUnsupported = ETrue;

    		}

    	}

    CleanupStack::PopAndDestroy(item);

    return isUnsupported;

	}

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

//  Constructor

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

// 	

CGlxDataSourceTaskMdeThumbnail:: CGlxDataSourceTaskMdeThumbnail(CGlxThumbnailRequest* aRequest, 

		                       MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource)

    : CGlxDataSourceTaskMde(aRequest, aObserver, aDataSource)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::CGlxDataSourceTaskMdeThumbnail()")

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

    }

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

//  Destructor

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

//  	

CGlxDataSourceTaskMdeThumbnail::~CGlxDataSourceTaskMdeThumbnail()

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::~CGlxDataSourceTaskMdeThumbnail()")    

#ifdef USE_S60_TNM

    DataSource()->CancelFetchThumbnail();

    delete iTnFileInfo;

    iTnFileInfo = NULL;

#else

    if( iTnRequestStatus )

        {

        CancelFetchUri(TGlxMediaId());

        }

    if( iTnRequestInProgress )

        {

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

        TGlxThumbnailRequest tnReq;

        request->ThumbnailRequest(tnReq);

        DataSource()->ThumbnailCreator().CancelRequest(tnReq.iId);

        }

#endif        

    }

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

//  CGlxDataSourceTaskMdeThumbnail::ExecuteRequest

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

//          

void CGlxDataSourceTaskMdeThumbnail::ExecuteRequestL()

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::ExecuteRequestL()") 

#ifdef _DEBUG

    iStartTime.HomeTime(); 

#endif

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

    TGlxThumbnailRequest tnReq;

    request->ThumbnailRequest(tnReq);

    GLX_DEBUG4("*** CGlxDataSourceTaskMdeThumbnail::ExecuteRequestL() Id=%d, TN Size w(%d) h(%d) ***", tnReq.iId.Value(),

    						tnReq.iSizeClass.iWidth, tnReq.iSizeClass.iHeight);

    GLX_DEBUG2("CGlxDataSourceTaskMdeThumbnail::ExecuteRequestL() iPriorityMode=%d", tnReq.iPriorityMode);

#ifdef USE_S60_TNM

	if(request->ThumbnailInfo())

		{

		if (tnReq.iSizeClass.iWidth > 0 && tnReq.iSizeClass.iHeight > 0 )

			{

			DataSource()->FetchThumbnailL(iRequest, *this);

			}

		else

			{

			ThumbnailFetchComplete(KErrNone, ETrue);

			}

		}

	else

		{

	   	FetchFileInfoL();

		}

#else

    iTnRequestInProgress = ETrue;

    DataSource()->ThumbnailCreator().FetchThumbnailL(tnReq, *this);

#endif

    }

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

//  CGlxDataSourceTaskMdeThumbnail::HandleRequestComplete

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

//  

void CGlxDataSourceTaskMdeThumbnail::HandleRequestComplete(TInt aError)

	{

    TRACER("void CGlxDataSourceTaskMdeThumbnail::HandleRequestComplete()");

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

    if(request && !(aError == KErrNone || aError == KErrNoMemory))

    	{

    	// An error has occured.

    	TBool isUnsupported = EFalse;

    	// If the item type is unsupported the we want to display the default

    	// icon rather than the corrupt icon.

    	TRAPD(err, isUnsupported = IsUnsupportedL(DataSource()->Session(), 

    			                          TItemId(request->ItemId().Value())));

    	if (isUnsupported)

    		{

    		aError = KErrNotSupported;

    		}

    	else if (err != KErrNone)

    		{

    		aError = err;

    		}

    	}

	CGlxDataSourceTask::HandleRequestComplete(aError);

	}

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

// CGlxDataSourceTaskMdeThumbnail::DoHandleQueryCompletedL

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

//

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

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::DoHandleQueryCompletedL()")

    if (EContainerFirstItemQuery == iQueryTypes[0])

        {

        TRAPD(err, DoHandleContainerFirstItemQueryCompletedL());

        if (err != KErrNone)

            {

            CompleteThumbnailRequest(err);

            }

        }

    }

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

//  CGlxDataSourceTaskMdeThumbnail::HandleThumbnailFetchCompleteL

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

//   

void CGlxDataSourceTaskMdeThumbnail::HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,

        TGlxThumbnailQuality aQuality)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::HandleThumbnailFetchCompleteL()")

    __ASSERT_DEBUG(dynamic_cast<CGlxThumbnailRequest*>(iRequest), Panic(EGlxPanicLogicError));

    CGlxThumbnailRequest* req = static_cast<CGlxThumbnailRequest*>(iRequest);

    GLX_DEBUG2("*** CGlxDataSourceTaskMdeThumbnail::HandleThumbnailFetchCompleteL() Id=%d ***", req->ItemId().Value());

#ifdef _DEBUG

    iStopTime.HomeTime(); 

    GLX_DEBUG2("CGlxDataSourceTaskMdeThumbnail:HandleThumbnailFetchCompleteL() took %d us",

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

#endif    

    delete iResponse;

    iResponse = NULL;

    iResponse = CMPXMedia::NewL();

    CGlxThumbnailAttribute* tnAttribute = new (ELeave) CGlxThumbnailAttribute;

    CleanupStack::PushL(tnAttribute);

    TGlxThumbnailRequest tnRequest;

    req->ThumbnailRequest(tnRequest); 

    TSize size(tnRequest.iSizeClass);

    tnAttribute->iDimensions = size;

    tnAttribute->iCroppingRect = tnRequest.iCroppingRect;

    tnAttribute->iThumbnailQuality = aQuality;

    GLX_DEBUG2("CGlxDataSourceTaskMdeThumbnail::HandleThumbnailFetchCompleteL() aQuality=%d", aQuality);

    TUint attributeId = req->AttributeId();

    if ( GlxIsFullThumbnailAttribute(attributeId) )

        {

        TBool quality = (EGlxThumbnailQualityHigh == aQuality);

        attributeId = GlxFullThumbnailAttributeId(quality,

                                                size.iWidth, size.iHeight);

        }

    iResponse->SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId, aId.Value());

    iResponse->SetNoNewLCObjectL(

                TMPXAttribute(KGlxMediaIdThumbnail, attributeId), tnAttribute);

    CleanupStack::PopAndDestroy(tnAttribute);

    }

#ifdef USE_S60_TNM

void CGlxDataSourceTaskMdeThumbnail::ThumbnailFetchComplete(TInt aError, 

                                                            TBool aQuality)

	{

    TRACER("CGlxDataSourceTaskMdeThumbnail::ThumbnailFetchComplete(TNM)")

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

    TGlxThumbnailRequest tnRequest;

    request->ThumbnailRequest(tnRequest); 

    TInt err = aError;

    if(!err)

        {

        TGlxThumbnailQuality tnQuality = EGlxThumbnailQualityHigh;

        if (!aQuality)

            {

            tnQuality = EGlxThumbnailQualityLow;

            }

        TRAP(err, HandleThumbnailFetchCompleteL(tnRequest.iId, tnQuality));

        }

    HandleRequestComplete(err);

	}

#else

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

// ThumbnailFetchComplete

// Notifies that a thumbnail for a given item is available, or that

// thumbnail generation failed.

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

//

void CGlxDataSourceTaskMdeThumbnail::ThumbnailFetchComplete(

    const TGlxMediaId& aItemId, TGlxThumbnailQuality aQuality, TInt aErrorCode)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::ThumbnailFetchComplete()")

    GLX_DEBUG2("CGlxDataSourceTaskMdeThumbnail::ThumbnailFetchComplete() aErrorCode=%d", aErrorCode);

    iTnRequestInProgress = EFalse;

    TInt err = aErrorCode;

    if(!err)

        {

        TRAP(err, HandleThumbnailFetchCompleteL(aItemId, aQuality));

        }

    HandleRequestComplete(err);

    }

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

//  CGlxDataSourceTaskMdeThumbnail::ThumbnailDeletionComplete

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

//   

void CGlxDataSourceTaskMdeThumbnail::ThumbnailDeletionComplete(

                                const TGlxMediaId& /*aItemId*/, TInt /*aErrorCode*/)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::ThumbnailDeletionComplete()")

    }

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

//  CGlxDataSourceTaskMdeThumbnail::FilterAvailableComplete

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

//   

void CGlxDataSourceTaskMdeThumbnail::FilterAvailableComplete(

                                const RArray<TGlxMediaId>& /*aIdArray*/, TInt /*aErrorCode*/)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::FilterAvailableComplete()")

    // No implementation

    }

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

//  CGlxDataSourceTaskMdeThumbnail::FetchFileInfoL

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

//  

void CGlxDataSourceTaskMdeThumbnail::FetchFileInfoL(CGlxtnFileInfo* aInfo,

                        const TGlxMediaId& aItemId, TRequestStatus* aStatus)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::FetchFileInfoL()")

    __ASSERT_DEBUG(dynamic_cast<CGlxThumbnailRequest*>(iRequest), Panic(EGlxPanicLogicError));

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

    if(request->ThumbnailInfo())

        {

        aInfo->CopyInfoL(*request->ThumbnailInfo());

        *aStatus = KRequestPending;

        User::RequestComplete(aStatus, KErrNone);

        return;

        }

    CMdEObject* item = DataSource()->Session().GetObjectL((TItemId)aItemId.Value());

    if(!item)

        {

        User::Leave(KErrNotFound);

        }

    CleanupStack::PushL(item);

    iTnRequestStatus = aStatus;

    iTnFileInfo = aInfo;

    *iTnRequestStatus = KRequestPending;

    CGlxDataSource::TContainerType containerType = DataSource()->ContainerType(item);

    if( CGlxDataSource::EContainerTypeNotAContainer != containerType )

        {

        iTnFileInfo->iTemporary = ETrue;

        TGlxMediaId container = aItemId;

        CMdEObjectDef* objectDef = &item->Def();

        /// @todo: use default filter so we can ensure we always get correct first item if filters change

        iFilterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;

        iFilterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;

        iFilterProperties.iLastCaptureDate = ETrue;

        DoQueryL(*objectDef, ETrue, EContainerFirstItemQuery,  

                EQueryResultModeItem, container);        

        }

    else

        {

        CompleteFetchFileInfoL(item);

        }

    CleanupStack::PopAndDestroy(item);

    }

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

//  CGlxDataSourceTaskMdeThumbnail::CancelFetchUri

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

//  

void CGlxDataSourceTaskMdeThumbnail::CancelFetchUri(const TGlxMediaId& /*aItemId*/)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::CancelFetchUri()")

    CompleteThumbnailRequest(KErrCancel);

    }

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

//  CGlxDataSourceTaskMdeThumbnail::ThumbnailStorage

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

//  

MGlxtnThumbnailStorage* CGlxDataSourceTaskMdeThumbnail::ThumbnailStorage()

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::ThumbnailStorage()")

    return &DataSource()->ThumbnailDatabase();

    }

#endif

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

//  CGlxDataSourceTaskMdeThumbnail::CompleteFetchFileInfoL

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

//  	    

void CGlxDataSourceTaskMdeThumbnail::CompleteFetchFileInfoL(CMdEObject* aItem)

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::CompleteFetchFileInfoL()")

    TParsePtrC parser(aItem->Uri());

    iTnFileInfo->SetFilePathL(parser.FullName());

    CMdEProperty* size;

    CMdEPropertyDef& sizeProperty = aItem->Def().GetPropertyDefL(KPropertyDefNameSize);

    TInt sizeIndex = aItem->Property(sizeProperty, size); 

    if( KErrNotFound == sizeIndex )

        {

        iTnFileInfo->iFileSize = 0;

        }

    else

        {

        iTnFileInfo->iFileSize = size->Uint32ValueL();

        }

    CMdEProperty* lastModifiedDateProperty;

    CMdEPropertyDef& lastModifiedDatePropertyDef = aItem->Def().GetPropertyDefL(

            KPropertyDefNameLastModifiedDate);

#ifdef _DEBUG

    TInt index = // This variable is only required for the assert debug below. If it is not wrapped in an  

                 // #ifdef _DEBUG, it will cause a warning in non debug builds.

#endif    

    aItem->Property(lastModifiedDatePropertyDef, lastModifiedDateProperty);

    __ASSERT_DEBUG(index > KErrNotFound, Panic(EGlxPanicRequiredPropertyNotFound));

    iTnFileInfo->iFileTime = static_cast<CMdETimeProperty*>(lastModifiedDateProperty)->Value();

    CGlxDataSource::TItemType itemType = DataSource()->ItemType(aItem);

    iTnFileInfo->iIsVideo = ( CGlxDataSource::EItemTypeVideo == itemType );

    CMdEProperty* drmProtected;

    CMdEPropertyDef* drmProtectedProperty = NULL;

    ///@todo AB test

    TRAP_IGNORE(drmProtectedProperty = &aItem->Def().GetPropertyDefL(KPropertyDefNameDRM)); 

    TInt drmProtectedIndex = KErrNotFound;

    if (drmProtectedProperty)

    	{

    	drmProtectedIndex= aItem->Property(*drmProtectedProperty, drmProtected);

    	}

    TInt err = KErrNone;

    if( KErrNotFound == drmProtectedIndex)

        {

        // should be present for all normally harvested images

        // so this should only be where we didn't pre-fetch the attributes

        // i.e. background thumbnail generation

        // so we get status from CAF to avoid forcing second stage harvest

        TRAP(err, 

            ContentAccess::CContent* content = ContentAccess::CContent::NewLC(

                    iTnFileInfo->FilePath());

            content->GetAttribute(ContentAccess::EIsProtected, iTnFileInfo->iIsProtected);

            CleanupStack::PopAndDestroy(content);

            );

        }

    else

        {

        iTnFileInfo->iIsProtected =  static_cast<CMdEBoolProperty*>(drmProtected)->Value();

        }

    CompleteThumbnailRequest(err);

    iTnFileInfo = NULL;

    iTnRequestStatus = NULL;

    }

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

// CGlxDataSourceTaskMdeThumbnail::DoHandleContainerFirstItemQueryCompletedL

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

//

void CGlxDataSourceTaskMdeThumbnail::DoHandleContainerFirstItemQueryCompletedL()

    {

    TRACER("CGlxDataSourceTaskMdeThumbnail::DoHandleContainerFirstItemQueryCompletedL()")

    if( !iQueries[0]->Count() )

        {

        User::Leave(KErrGlxEmptyContainer); // leave with a specific Error code so UI can display empty folder icon

        }

    CMdEObject* item = static_cast<CMdEObject*>(iQueries[0]->TakeOwnershipOfResult(0));

    if(!item)

        {

        User::Leave(KErrNotFound);

        }

    CleanupStack::PushL(item);

    CompleteFetchFileInfoL(item);

    CleanupStack::PopAndDestroy(item);

    }

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

// CGlxDataSourceTaskMdeThumbnail::CompleteThumbnailRequest

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

//

void CGlxDataSourceTaskMdeThumbnail::CompleteThumbnailRequest(TInt aError)

	{

    TRACER("CGlxDataSourceTaskMdeThumbnail::CompleteThumbnailRequest(TInt aError)")

    GLX_DEBUG2("CGlxDataSourceTaskMdeThumbnail::CompleteThumbnailRequest  aError=%d", aError);

#ifdef USE_S60_TNM

	if (aError != KErrNone)

		{

		ThumbnailFetchComplete(aError, EFalse);

		}

	else