/*

* Copyright (c) 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:  Browsing adapter between RemCon an MPX Framework. 

*

*/

// INCLUDE FILES

#include <remconinterfaceselector.h>

#include <mpxcollectionmessagedefs.h>

#include <mpxmessagegeneraldefs.h>

#include <mpxmediageneraldefs.h>

#include <mpxsubscription.h>

#include <mpxcommandgeneraldefs.h>

#include <mpxcollectioncommanddefs.h>

#include <mpxmediacontainerdefs.h>

#include <e32cmn.h>

#include <remconmediaerror.h>

#include "btrccBrowsingAdapter.h"

#include "debug.h"

#ifdef BTRCCTEST_MPXCOLLECTIONSTUB

#include <stubsrv/mpxcollectionstub.h>

#endif

// MODULE DATA STRUCTURES

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

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

// CBTRCCBrowsingAdapter::NewL

// Two-phased constructor.

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

//

CBTRCCBrowsingAdapter* CBTRCCBrowsingAdapter::NewL(CRemConInterfaceSelector& aInterfaceSelector)

    {

    CBTRCCBrowsingAdapter* self = new (ELeave) CBTRCCBrowsingAdapter();

    CleanupStack::PushL(self);

    self->ConstructL(aInterfaceSelector);

    CleanupStack::Pop(self);

    return self;

    }

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

// CBTRCCBrowsingAdapter::CBTRCCBrowsingAdapter

// C++ constructor.

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

//

CBTRCCBrowsingAdapter::CBTRCCBrowsingAdapter()

    {

    }

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

// CBTRCCBrowsingAdapter::ConstructL

// Symbian 2nd phase constructor.

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

//

void CBTRCCBrowsingAdapter::ConstructL(CRemConInterfaceSelector& aInterfaceSelector)

    {

    TRACE_FUNC

    iMediaBrowseTarget = CRemConDatabaseAwareMediaBrowseTarget::NewL(

                             aInterfaceSelector, *this, *this, EFalse,

                             iMlInterface, iNpInterface, iCookie);

#ifdef BTRCCTEST_MPXCOLLECTIONSTUB

    iCollectionUtility = CMPXCollectionUtilityStubImpl::NewL(this, KMcModeDefault);    

#else

    iCollectionUtility = MMPXCollectionUtility::NewL(this, KMcModeDefault);

#endif

    iCurrentOpenLOp = EOpenLOpOpen;

    iCollectionUtility->Collection().OpenL(EMPXOpenDefault);

    }

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

// Destructor.

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

//

CBTRCCBrowsingAdapter::~CBTRCCBrowsingAdapter()

    {

    TRACE_FUNC

    delete iMediaBrowseTarget;

    delete iCollectionUtility; 

    }

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

// CBTRCCBrowsingAdapter::MrcdamlboGetFolderListing

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

//

void CBTRCCBrowsingAdapter::MrcdamlboGetFolderListing(TRemConFolderScope aScope,

        TUint /*aStartItem*/, TUint /*aEndItem*/)

    {

    TRACE_FUNC

    // Check that the aScope is in filesystem scope. 

    if (aScope != EBrowseFolder)

        {

        // Not supported. 

        return; 

        }

    // ToDo: Check that we don't have any other operation ongoing. 

    // If we do, put the new operation in queue  

    TInt err = KErrNone;

    CMPXCollectionPath* path = NULL;

    TRAP(err, path = iCollectionUtility->Collection().PathL())

    if(!err)

        {

        TRAP(err, path->SelectAllL())

        }

    if(!err)

        {

        RArray<TMPXAttribute> attrs;

        attrs.Append( KMPXMediaGeneralId );

        attrs.Append( KMPXMediaGeneralTitle );

        TRAP(err, iCollectionUtility->Collection().MediaL(*path, attrs.Array()))        

        }

    if(!err)

        {

        iCurrentMediaLOp = EMediaLOpFolderListing;

        }

    TRACE_INFO((_L("Get folder listing %d"), err))

/*    CMPXCollectionPath* path = iCollectionUtility->Collection().PathL();

    CleanupStack::PushL( path );

    if ( path->Levels() == KVcxMpxLevelVideos 

            && path->Count() > aIndex

            && aIndex >= 0 )

        {

        // Marks the item that will be handled

        path->SelectL( aIndex );

        RArray<TMPXAttribute> dummy; // No need to set this parameter

        CleanupClosePushL( dummy );

        iCollectionUtility->Collection().MediaL( *path, dummy.Array() );

        CleanupStack::PopAndDestroy( &dummy );

        }

    CleanupStack::PopAndDestroy( path ); */

    }

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

// CBTRCCBrowsingAdapter::MrcdamlboGetItem

// This function is called to request for indicidual item's properties.  

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

//

TInt CBTRCCBrowsingAdapter::MrcdamlboGetItem(TRemConFolderScope /*aScope*/,

        const TRemConItemUid& /*aItemId*/, 

        TMediaAttributeIter& /*aIter*/, 

        TUint16 /*aMediaLibraryStateCookie*/)

    {

    TRACE_FUNC

    return KErrNone;

    }

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

// CBTRCCBrowsingAdapter::MrcdamlboFolderUp

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

//

void CBTRCCBrowsingAdapter::MrcdamlboFolderUp(TUint16 aMediaLibraryStateCookie)

    {   

    TRACE_FUNC

    if(aMediaLibraryStateCookie == iCookie)

        {

        TRAPD( err, iCollectionUtility->Collection().BackL() );

        if(err)

            {

            }

        // --> HandleOpenL will called

        }

    else

        {

        }

    }

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

// CBTRCCBrowsingAdapter::MrcdamlboFolderDown

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

//

void CBTRCCBrowsingAdapter::MrcdamlboFolderDown(const TRemConItemUid& aFolder,

        TUint16 aMediaLibraryStateCookie)

    {

    TRACE_FUNC

    if(aMediaLibraryStateCookie == iCookie)

        {

        TInt err = KErrNone;

        CMPXCollectionPath* path = NULL;

        TRAP( err, path = iCollectionUtility->Collection().PathL() );

        if(!err)

            {

            TMPXItemId index = path->IdOfIndex((TInt)aFolder);

            if(index != KMPXInvalidItemId)

                {

                TRAP( err, iCollectionUtility->Collection().OpenL(index) );

                // --> HandleOpenL will called.

                }

            }

        }

    else

        {

        }

    }

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

// CBTRCCBrowsingAdapter::MrcdamlboGetPath

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

//

void CBTRCCBrowsingAdapter::MrcdamlboGetPath(RPointerArray<HBufC8>& /*aPath*/)

    {

    TRACE_FUNC   

    TInt err = KErrNone;

    CMPXCollectionPath* browsePath = NULL;

    CMPXCollectionPath* container = NULL;

    TRAP( err, browsePath = iCollectionUtility->Collection().PathL() );

    // Split path into levels until root level is reached.

    TRAP( err, container = browsePath->ContainerPathL() ); 

    // Store the path information into received refToPath.

    // --> do something

    // Path information stored, inform RemCon

    //iMlInterface->MrcdamlbGetPathResult(TUint aItemCount, TUint16 aMediaLibraryStateCookie, TInt aResult);

    delete browsePath;

    delete container;

    }

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

// CBTRCCBrowsingAdapter::MrcdanpboGetFolderListing

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

//

void CBTRCCBrowsingAdapter::MrcdanpboGetFolderListing(TUint /*aStartItem*/, TUint /*aEndItem*/)

    {

    TRACE_FUNC

    // Use the current path to 

//    iCollectionUtility->Collection().MediaL(path, aAttrs, )

    }

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

// CBTRCCBrowsingAdapter::MrcdanpboGetItem

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

//

TInt CBTRCCBrowsingAdapter::MrcdanpboGetItem(const TRemConItemUid& /*aItemId*/, TMediaAttributeIter& /*aIter*/, TUint16 /*aMediaLibraryStateCookie*/)

    {

    TRACE_FUNC

    return KErrNone;

    }

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

// CBTRCCBrowsingAdapter::MrcdamlboSearch

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

//

void CBTRCCBrowsingAdapter::MrcdamlboSearch(const TDesC8& /*aSearch*/)

    {

    TRACE_FUNC

    }

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

// CBTRCCBrowsingAdapter::HandleCollectionMessage

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

//

void CBTRCCBrowsingAdapter::HandleCollectionMessage(CMPXMessage* aMsg, TInt /*aErr*/)

    {

    TRACE_FUNC

    if(iMlInterface && aMsg)

        {

        if( aMsg->IsSupported(KMPXMessageMediaGeneralCategory) &&

            aMsg->IsSupported(KMPXMessageChangeEventType) )

            {

            TInt event( aMsg->ValueTObjectL<TInt>( KMPXMessageMediaGeneralCategory ) );

            TInt op( aMsg->ValueTObjectL<TInt>( KMPXMessageChangeEventType ) );

            if( event == EMPXCollection )

                {

                if( op == EMPXItemDeleted ||

                    op == EMPXItemInserted ||

                    op == EMPXItemModified )

                    {

                    // how cookie is really composed??

                    iCookie = op;

                    iMlInterface->MrcdamlbMediaLibraryStateChange(iCookie);

                    }

                }

            }

        }

    /* Example from mpxdeletehelper.cpp

    if( aMessage &&

        aMessage->IsSupported(KMPXMessageGeneralEvent) &&

        aMessage->IsSupported(KMPXMessageGeneralType) )

        {

        TInt event( aMessage->ValueTObjectL<TInt>( KMPXMessageGeneralEvent ) );

        TInt op( aMessage->ValueTObjectL<TInt>( KMPXMessageGeneralType ) );

        MPX_DEBUG3( "CMPXDeleteHelper::HandleCollectionMessageL event = %d, type = %d",

                    event, op );

        if( event == TMPXCollectionMessage::EBroadcastEvent )

            {

            if( op == EMcMsgFormatStart ||

                op == EMcMsgDiskRemoved ||

                op == EMcMsgUSBMassStorageStart ||

                op == EMcMsgUSBMTPStart )

                {

                iCancelled = ETrue;

                Cancel();

                }

            }

        }*/

    }

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

// CBTRCCBrowsingAdapter::HandleOpenL

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

//

void CBTRCCBrowsingAdapter::HandleOpenL(const CMPXMedia& /*aEntries*/, TInt /*aIndex*/, TBool /*aComplete*/, TInt aError)

    {

    // This is called when a folder has been opened. We could store a path here. 

    TRACE_FUNC

    if(!aError)

        {

        switch(iCurrentOpenLOp)

            {

            case EOpenLOpOpen:

                break;

            default:

                break;

            }

        }    

    iCurrentOpenLOp = EOpenLOpIdle;

    }

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

// CBTRCCBrowsingAdapter::HandleOpenL

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

//

void CBTRCCBrowsingAdapter::HandleOpenL(const CMPXCollectionPlaylist& /*aPlaylist*/,TInt /*aError*/)

    {

    TRACE_FUNC

    }

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

// CBTRCCBrowsingAdapter::HandleCommandComplete

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

//

void CBTRCCBrowsingAdapter::HandleCommandComplete(CMPXCommand* /*aCommandResult*/, TInt /*aError*/)

    {

    TRACE_FUNC

    }

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

// CBTRCCBrowsingAdapter::HandleCollectionMediaL

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

//

void CBTRCCBrowsingAdapter::HandleCollectionMediaL(const CMPXMedia& aMedia, TInt aError)

    {

    TRACE_FUNC 

    RArray<TRemConItem> folderListing; 

    TInt cookie = 0; 

    if(!aError)

        {

        switch(iCurrentMediaLOp)

            {

            case EMediaLOpFolderListing:

                {

                TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, EMediaLOpFolderListing")))

                TMPXAttribute mediaArrayAttr( KMPXMediaIdContainer, EMPXMediaArrayContents );

                // Check if there is more than one item in aMedia

                if( aMedia.IsSupported( mediaArrayAttr ) )

                    {

                    TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, media array is supported.")))

                    const CMPXMediaArray* mediaArray = aMedia.ValueCObjectL<CMPXMediaArray>( mediaArrayAttr ); 

                    //User::LeaveIfNull( const_cast<CMPXMediaArray*>( mediaArray ));

                    TInt error = KErrNone;

                    if(mediaArray)

                        {

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

                            {

                            CMPXMedia* ptrToElement = mediaArray->AtL(i); 

                            TMPXAttribute uidAttr(KMPXMediaIdGeneral, EMPXMediaGeneralId);

                            TMPXAttribute typeAttr(KMPXMediaIdGeneral, EMPXMediaGeneralType);

                            if( ptrToElement->IsSupported(uidAttr) && ptrToElement->IsSupported(typeAttr) ) 

                                {

                                TRemConItem item;  

                                const TUid& id = ptrToElement->ValueTObjectL<TUid>(uidAttr);

                                item.iUid = id.iUid;  

                                const TMPXGeneralType& type = ptrToElement->ValueTObjectL<TMPXGeneralType>(typeAttr);                               

                                TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, id %d"), id))

                                TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, type %d"), type))                                

                                if(type == EMPXGroup)

                                    {

                                    item.iType = ERemConFolderItem;

                                    }

                                else if(type == EMPXItem)

                                    {

                                    item.iType = ERemConMediaItem; 

                                    }

                                else

                                    {

                                    continue; // skip appending if the type wasn't folder or item.  

                                    }

                                TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, Append data")))

                                folderListing.Append(item); 

                                }

                            else

                                {

                                TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, Not supported, item index %d."), i))

                                }

                            }

                        TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, pass media to RemCon")))

                        }

                    else

                        {

                        TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, No media!")))

                        error = KErrMediaBrowseInvalidOffset;

                        }

                    iMlInterface->MrcdamlbFolderListing(folderListing.Array(), cookie, error);

                    }

                else

                    {

                    TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, Array Content Not Supported.")))

                    // "Single" elements should handled separately ??

                    }                

                }

                break;

            }

        }

    else

        {

        TRACE_INFO((_L("CBTRCCBrowsingAdapter::HandleCollectionMediaL, error %d"), aError))

        iMlInterface->MrcdamlbFolderListing(folderListing.Array(), cookie, aError);

        //HandleErrorL(aError);

        }

    folderListing.Close(); 

    iCurrentMediaLOp = EMediaLOpIdle;

    }

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

// CBTRCCBrowsingAdapter::SubscribeL

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

//

void CBTRCCBrowsingAdapter::SubscribeL()

    {

    TRACE_FUNC

    // Create subscription items

    CMPXSubscription* subscription( CMPXSubscription::NewL() );

    CleanupStack::PushL( subscription );

    CMPXSubscriptionItem* subItem1( CMPXSubscriptionItem::NewL() );

    CleanupStack::PushL( subItem1 );   

    subItem1->SetTObjectValueL( KMPXMessageCollectionId, KMPXMessageGeneral );

    subItem1->SetTObjectValueL( KMPXMessageMediaGeneralCategory, EMPXCollection );

    subItem1->SetTObjectValueL( KMPXMessageChangeEventType, EMPXItemDeleted );

    subscription->AddItemL( *subItem1 );

    CMPXSubscriptionItem* subItem2( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem2 );

    subItem2->SetTObjectValueL( KMPXMessageChangeEventType, EMPXItemInserted );

    subscription->AddItemL( *subItem2 );

    CMPXSubscriptionItem* subItem3( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem3 );

    subItem3->SetTObjectValueL( KMPXMessageChangeEventType, EMPXItemModified );

    subscription->AddItemL( *subItem3 );

    iCollectionUtility->Collection().AddSubscriptionL( *subscription );

    CleanupStack::PopAndDestroy( subItem3 );

    CleanupStack::PopAndDestroy( subItem2 );

    CleanupStack::PopAndDestroy( subItem1 );

    CleanupStack::PopAndDestroy( subscription );

    /* Example

    // Subscribe to only a few messages from collection utility

    subItem1->SetTObjectValueL( KMPXMessageGeneralId, KMPXMessageGeneral );

    subItem1->SetTObjectValueL( KMPXMessageGeneralEvent, TMPXCollectionMessage::EBroadcastEvent );

    subItem1->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgDiskRemoved );

    subscription->AddItemL( *subItem1 );

    CMPXSubscriptionItem* subItem2( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem2 );

    subItem2->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgUSBMassStorageStart );

    subscription->AddItemL( *subItem2 );

    CMPXSubscriptionItem* subItem3( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem3 );

    subItem3->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgUSBMTPStart );

    subscription->AddItemL( *subItem3 );

    CMPXSubscriptionItem* subItem4( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem4 );

    subItem4->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgFormatStart );

    subscription->AddItemL( *subItem4 );

    CMPXSubscriptionItem* subItem5( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem5 );

    subItem5->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgUSBMassStorageEnd );

    subscription->AddItemL( *subItem5 );

    CMPXSubscriptionItem* subItem6( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem6 );

    subItem6->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgUSBMTPEnd );

    subscription->AddItemL( *subItem6 );

    CMPXSubscriptionItem* subItem7( CMPXSubscriptionItem::CopyL( *subItem1 ));

    CleanupStack::PushL( subItem7 );

    subItem7->SetTObjectValueL( KMPXMessageGeneralType, EMcMsgFormatEnd );