/*

* Copyright (c) 2008 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:  Content Publishing Service interface.

*

*/

#include "contentpublisher.h"

#include <liwservicehandler.h>

#include <liwvariant.h>

#include <liwgenericparam.h>

#include "xmluicontroller.h"

#include "appui.h"

#include "onlineofflinehelper.h"

using namespace AiXmlUiController;

_LIT8( KCPService, "Service.ContentPublishing" );

_LIT8( KCPInterface, "IDataSource" );

_LIT8( KType, "type" );

_LIT( KCpData, "cp_data" );

_LIT8( KPublisherId, "publisher" );

_LIT8( KContentTypeId, "content_type" );

_LIT8( KContentId, "content_id" );

_LIT8( KResults, "results" );

_LIT(KAI3HSPublisher,"ai3homescreen");

_LIT(KContentType,"wideimage");

_LIT8( KAPStatus, "apstatus");

_LIT(KNetwork, "network");

_LIT(KPublisher16, "publisher");

_LIT8( KRequestNotification, "RequestNotification" );

_LIT8( KDataMap, "data_map" );

_LIT8( KItem, "item" );

_LIT8( KAdd, "Add" );

_LIT8( KGetList, "GetList" );

_LIT8( KFilter,        "filter" );

_LIT8( KWidth, "width");

_LIT8( KHeight, "height");

_LIT8( KChangeInfo,    "change_info" );

// ============================ LOCAL FUNCTIONS ===============================

static void DoResetAndDestroy( TAny* aPtr )

    {

    __ASSERT_DEBUG( aPtr, User::Invariant() );

    reinterpret_cast< RCriteriaArray* >( aPtr )->ResetAndDestroy();

    }

// ============================ MEMBER FUNCTIONS ===============================

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

// Two-phased constructor. Can leave.

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

// 

CContentPublisher* CContentPublisher::NewL(CXmlUiController& aUiController)

    {

    CContentPublisher* self = new (ELeave) CContentPublisher(aUiController);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// Destructor

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

//   

CContentPublisher::~CContentPublisher()

    {

    TRAP_IGNORE(UnRegisterListenerL());

    if( iCpsInterface )

        {

        iCpsInterface->Close();

        iCpsInterface = NULL;

        }

    if( iServiceHandler )

        {

        iServiceHandler->Reset();

        delete iServiceHandler;

        iServiceHandler = NULL;

        }

    }

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

// C++ default constructor. Must not leave.

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

//

CContentPublisher::CContentPublisher(CXmlUiController& aUiController): iUiController( aUiController )

    {

    }

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

// 2nd phase constructor. Can leave.

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

//

void CContentPublisher::ConstructL()

    {

    InitCpsInterfaceL();

    RegisterListenerL();

    }

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

// Publishes a given width and height to Content Publishing Service

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

//

void CContentPublisher::PublishSizeL( const TDesC& aElementName,

        TInt aWidth, TInt aHeight )

    {

    AddDataL( KAI3HSPublisher() ,KContentType(), aElementName,

            aWidth, KWidth, aHeight, KHeight );

    }

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

// Uses the CPS interface to add given data

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

//

void CContentPublisher::AddDataL( 

        const TDesC& aPublisherId, const TDesC& aContentType, const TDesC& aContentId,

        const TInt aData1, const TDesC8& aDataKey1,

        const TInt aData2, const TDesC8& aDataKey2 )

    {

    CLiwGenericParamList& inparam = iServiceHandler->InParamListL();

    CLiwGenericParamList& outparam = iServiceHandler->OutParamListL();

    TLiwGenericParam cptype( KType, TLiwVariant( KCpData ));

    cptype.PushL();

    inparam.AppendL( cptype );

    CLiwDefaultMap* cpdatamap = CLiwDefaultMap::NewLC();

    CLiwDefaultMap* map = CLiwDefaultMap::NewLC();

    // Add data to data map

    map->InsertL( aDataKey1,  TLiwVariant( aData1 ));

    map->InsertL( aDataKey2,  TLiwVariant( aData2 ));

    // Create content data map

    cpdatamap->InsertL( KPublisherId, TLiwVariant( aPublisherId ));

    cpdatamap->InsertL( KContentTypeId, TLiwVariant( aContentType )); 

    cpdatamap->InsertL( KContentId, TLiwVariant( aContentId ));

    cpdatamap->InsertL( KDataMap, TLiwVariant(map) );

    TLiwGenericParam item( KItem, TLiwVariant( cpdatamap ));     

    item.PushL(); 

    inparam.AppendL( item );

    iCpsInterface->ExecuteCmdL( KAdd , inparam, outparam);

    CleanupStack::PopAndDestroy( &item );

    CleanupStack::PopAndDestroy( map );

    CleanupStack::PopAndDestroy( cpdatamap );

    CleanupStack::PopAndDestroy( &cptype );

    outparam.Reset();

    inparam.Reset();

    }

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

// Uses the CPS interface to get data

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

//

void CContentPublisher::GetDataL( 

        const TDesC& aPublisherId, const TDesC& aContentType, const TDesC& aContentId,

        CLiwDefaultMap* aOutDataMap)

    {

    CLiwGenericParamList& inParamList  = iServiceHandler->InParamListL();

	CLiwGenericParamList& outParamList = iServiceHandler->OutParamListL();

	TLiwGenericParam type( KType, TLiwVariant( KCpData ) );

	inParamList.AppendL( type );

	CLiwDefaultMap* cpdatamap = CLiwDefaultMap::NewLC();

	// Create content data map

	cpdatamap->InsertL( KPublisherId, TLiwVariant( aPublisherId ));

	cpdatamap->InsertL( KContentTypeId, TLiwVariant( aContentType )); 

	cpdatamap->InsertL( KContentId, TLiwVariant( aContentId ));

	//append filter to input param

	TLiwGenericParam item( KFilter, TLiwVariant( cpdatamap ));

	inParamList.AppendL( item );

    CleanupStack::PopAndDestroy( cpdatamap );

    iCpsInterface->ExecuteCmdL( KGetList, inParamList, outParamList);

    type.Reset();

	item.Reset();

	inParamList.Reset();

	//extracts data map

	TInt pos = 0;

	outParamList.FindFirst( pos, KResults );

	if( pos != KErrNotFound )

		// results present

		{

		//extract iterator on results list

		TLiwVariant variant = (outParamList)[pos].Value();

		variant.PushL();

		CLiwIterable* iterable = variant.AsIterable();

		iterable->Reset();

		//get next result

		if( iterable->NextL( variant ) )

			{

			//extract content map

			CLiwDefaultMap *map = CLiwDefaultMap::NewLC();

			variant.Get( *map );

			if( map->FindL( KDataMap, variant) )

				{

				 variant.Get( *aOutDataMap );

				}

			CleanupStack::PopAndDestroy( map );

			}

		iterable->Reset();

		CleanupStack::PopAndDestroy( &variant );

		variant.Reset();

		}

	outParamList.Reset();

    }

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

// Gets the CPS messaging interface

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

//

void CContentPublisher::InitCpsInterfaceL()

    {

    if( !iServiceHandler )

        {

        iServiceHandler = CLiwServiceHandler::NewL();

        }

    CLiwGenericParamList& inParam = iServiceHandler->InParamListL();

    CLiwGenericParamList& outParam = iServiceHandler->OutParamListL();

    RCriteriaArray a;

    TCleanupItem item( DoResetAndDestroy, &a );

    CleanupStack::PushL( item );

    CLiwCriteriaItem* crit = CLiwCriteriaItem::NewLC( KLiwCmdAsStr, KCPInterface,

        KCPService  );

    crit->SetServiceClass( TUid::Uid(KLiwClassBase) );

    a.AppendL(crit);    

    CleanupStack::Pop( crit );

    iServiceHandler->AttachL(a);

    iServiceHandler->ExecuteServiceCmdL( *crit, inParam, outParam ); 

    CleanupStack::PopAndDestroy(); // item;

    // find service interface

    TInt pos = 0;

    MLiwInterface* msgInterface = NULL;

    outParam.FindFirst( pos, KCPInterface );

    if ( pos != KErrNotFound ) 

        {

        msgInterface = (outParam)[pos].Value().AsInterface(); 

        }

    outParam.Reset();

    inParam.Reset();

    iCpsInterface = msgInterface;

    }

void CContentPublisher::RegisterListenerL()

	{

	CLiwGenericParamList& inparam = iServiceHandler->InParamListL();

	CLiwGenericParamList& outparam =  iServiceHandler->OutParamListL();

	CLiwDefaultMap*  reqFilter = CLiwDefaultMap::NewLC();

	// Listen all the information(contentId) from publisher 

	reqFilter->InsertL( KPublisherId, TLiwVariant( KAI3HSPublisher ));

	reqFilter->InsertL( KContentTypeId, TLiwVariant(KPublisher16 ));

	// Type of the registry  (content registry)

	inparam.AppendL(TLiwGenericParam(KType, TLiwVariant(KCpData)));

	// fill in input list for RequestNotification command

	inparam.AppendL(TLiwGenericParam(KFilter, TLiwVariant(reqFilter)));

	TRAP_IGNORE( iCpsInterface->ExecuteCmdL( 

			KRequestNotification,

				inparam,

				outparam,

				0,

				this ) );

	outparam.Reset();

	inparam.Reset();

	CleanupStack::PopAndDestroy(reqFilter );  

	}

void CContentPublisher::UnRegisterListenerL()

	{

	CLiwGenericParamList& inparam = iServiceHandler->InParamListL();

	CLiwGenericParamList& outparam =  iServiceHandler->OutParamListL();

	// Unregister the reuqest notification 

	TRAP_IGNORE( iCpsInterface->ExecuteCmdL( 

			KRequestNotification,

				inparam,

				outparam,

				KLiwOptCancel,

				this ) ); 

	outparam.Reset();

	inparam.Reset();

	}

TInt CContentPublisher::HandleNotifyL(

        TInt aErrorCode,

        TInt /*aEventId*/,

        CLiwGenericParamList& aEventParamList,

        const CLiwGenericParamList& /*aInParamList*/ )

   {

   TInt pos( 0 );

   aEventParamList.FindFirst(pos, KChangeInfo);

   if (pos != KErrNotFound)

    {

    // Get list of maps

    TLiwVariant variant = (aEventParamList)[pos].Value();

    variant.PushL();

    const CLiwList* changeMapsList = variant.AsList();

    // Iter through list content

    for (TInt i = 0; i < changeMapsList->Count() ; ++i)

	    {

 		if ( changeMapsList->AtL(i, variant) ) 

 			{

			const CLiwMap* map  = variant.AsMap();

			if( map->FindL( KPublisherId, variant) )

				 {

				 HBufC* publisher = variant.AsDes().AllocLC();

				 if ( publisher && ( publisher->Des() == KAI3HSPublisher ) 

					  && map->FindL( KContentTypeId, variant) )

					{

					 HBufC* contentType = variant.AsDes().AllocLC();

					 if ( contentType && ( contentType->Des() ==  KPublisher16 )

						  && map->FindL( KContentId, variant ) )

						 {

						 HBufC* contentId = variant.AsDes().AllocLC();

						 if ( contentId )

							 {

							 HandlePublisherInfoL( *contentId );

							 }

						 CleanupStack::PopAndDestroy( contentId );

						 }

					 CleanupStack::PopAndDestroy( contentType );

					}

			  CleanupStack::PopAndDestroy( publisher );

				 }

			}

	   }

    CleanupStack::PopAndDestroy(&variant); 

    }

   return aErrorCode;

   }

void CContentPublisher::HandlePublisherInfoL( const TDesC& aPubInfo)

    {

    //Currently HS will handle only network status update form publisher

    if ( aPubInfo == KNetwork )

        {

        _LIT( KOffline, "hs_offline" );

        CLiwDefaultMap *outDataMap = CLiwDefaultMap::NewLC();

        GetDataL( KAI3HSPublisher(), KPublisher16, KNetwork(), outDataMap );

        TLiwVariant variant;

        variant.PushL();

        if ( outDataMap->FindL(KAPStatus, variant))

            {

            iUiController.AppUi()->Helper()->HandleConnectionQueryL(variant.AsDes());

            }

        CleanupStack::PopAndDestroy( &variant );

        CleanupStack::PopAndDestroy(outDataMap);

        }

    }

// END OF FILE