/*

* 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: 

*

*/

#include <e32base.h>

#include <harvesterdata.h>

#include <mderelation.h>

#include <mdeobjectdef.h>

#include "harvesteraudioplaylistplugin.h"

#include "mdeobjectwrapper.h"

#include "mdsutils.h"

#include "harvesterlog.h"

// for CleanupResetAndDestroyPushL

#include <mmf/common/mmfcontrollerpluginresolver.h>

CHarvesterAudioPlaylistPluginPropertyDefs::CHarvesterAudioPlaylistPluginPropertyDefs() : CBase()

    {

    }

void CHarvesterAudioPlaylistPluginPropertyDefs::ConstructL(CMdEObjectDef& aObjectDef)

    {

    CMdENamespaceDef& nsDef = aObjectDef.NamespaceDef();

    // Property definitions

    CMdEObjectDef& objectDef = nsDef.GetObjectDefL( MdeConstants::Object::KBaseObject );

    iCreationDatePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KCreationDateProperty );

    iLastModifiedDatePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KLastModifiedDateProperty );

    iSizePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KSizeProperty );

    iItemTypePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KItemTypeProperty );

    iTitlePropertyDef = &objectDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty );

    CMdEObjectDef& albumObjectDef = nsDef.GetObjectDefL( MdeConstants::Album::KAlbumObject );

    iAlbumTypeDef = &albumObjectDef.GetPropertyDefL( MdeConstants::Album::KTypeProperty );

    CMdEObjectDef& playlistObjectDef = nsDef.GetObjectDefL( MdeConstants::AudioPlaylistItem::KAudioPlaylistItem );

    iAlbumIDDef = &playlistObjectDef.GetPropertyDefL( MdeConstants::AudioPlaylistItem::KPlaylistIDProperty );

    iAudioObjectIDDef = &playlistObjectDef.GetPropertyDefL( MdeConstants::AudioPlaylistItem::KAudioObjectIDProperty );

    iPositionDef = &playlistObjectDef.GetPropertyDefL( MdeConstants::AudioPlaylistItem::KPositionProperty );

    }

CHarvesterAudioPlaylistPluginPropertyDefs* CHarvesterAudioPlaylistPluginPropertyDefs::NewL(CMdEObjectDef& aObjectDef)

    {

    CHarvesterAudioPlaylistPluginPropertyDefs* self = 

        new (ELeave) CHarvesterAudioPlaylistPluginPropertyDefs();

    CleanupStack::PushL( self );

    self->ConstructL( aObjectDef );

    CleanupStack::Pop( self );

    return self;

    }

using namespace MdeConstants;

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

// CHarvesterAudioPlugin::CHarvesterAudioPlugin

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

//    

CHarvesterAudioPlaylistPlugin::CHarvesterAudioPlaylistPlugin() : 

	CHarvesterPlugin()

	{

	}

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

// CHarvesterAudioPlaylistPlugin::NewL

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

//    

CHarvesterAudioPlaylistPlugin* CHarvesterAudioPlaylistPlugin::NewL()

	{

	WRITELOG( "CHarvesterAudioPlaylistPlugin::NewL()" );

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

	CleanupStack::PushL( self );

	self->ConstructL();

	CleanupStack::Pop( self );

	return self;

	}

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

// CHarvesterAudioPlaylistPlugin::~CHarvesterAudioPlaylistPlugin

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

//    

CHarvesterAudioPlaylistPlugin::~CHarvesterAudioPlaylistPlugin()

	{

	WRITELOG( "CHarvesterAudioPlaylistPlugin::~CHarvesterAudioPlaylistPlugin()" );

	delete iPlaylistParser;

	delete iPropDefs;

	delete iMime;

	}

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

// CHarvesterAudioPlaylistPlugin::ConstructL

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

//    

void CHarvesterAudioPlaylistPlugin::ConstructL()

	{

	WRITELOG( "CHarvesterAudioPlaylistPlugin::ConstructL()" );

	iPlaylistParser =  CHarvesterAudioPlaylistParser::NewL();

	}

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

// CHarvesterAudioPlaylistPlugin::HarvestL (from CHarvesterPlugin)

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

//    

void CHarvesterAudioPlaylistPlugin::HarvestL( CHarvesterData* aHD )

	{

	WRITELOG( "CHarvesterAudioPlaylistPlugin::HarvestL()" );

	TRAPD( err, DoHarvestL( aHD ) );

	if ( err != KErrNone )

	    {

	    aHD->SetErrorCode( err );

	    }

	}

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

// CHarvesterAudioPlaylistPlugin::DoHarvestL

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

//    

void CHarvesterAudioPlaylistPlugin::DoHarvestL( CHarvesterData* aHD )

	{

	WRITELOG( "CHarvesterAudioPlaylistPlugin::DoHarvestL()" );

    CMdEObject& mdeObject = aHD->MdeObject();

    TBool isAdd = EFalse;

    if ( mdeObject.Placeholder() || mdeObject.Id() == KNoId ) // is a new object or placeholder

        {

        isAdd = ETrue;

        }

    else

        {

        return; // Once playlist has been imported, changes made to it by Music Player

                     // will not get written back to original playlist file. Thus changes to playlist

                     // should be done within Music Player, and MDS will prevent playlist that

                     // have already been imported to be changes so that there will not be 

                     // several versions of same playlist imported by accident.

        }

    GetPropertiesL( aHD, isAdd );

	}

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

// CHarvesterAudioPlaylistPlugin::GetPropertiesL

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

//    

void CHarvesterAudioPlaylistPlugin::GetPropertiesL( CHarvesterData* aHD,

                                            TBool aIsAdd )

    {

    CMdEObject& mdeObject = aHD->MdeObject();

    // get creation time, modified time and file size

    if( !mdeObject.Placeholder() )

        {

        GetPlaceHolderPropertiesL( aHD, aIsAdd );

        }

    const TDesC& uri = mdeObject.Uri();

    TBool isSupported( GetMimeTypePropertyL( aHD, aIsAdd ) );

    if( isSupported )

    	{

    	GetMusicPropertiesL( aHD, aIsAdd );

    	}

    }

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

// CHarvesterAudioPlaylistPlugin::GetPlaceHolderPropertiesL

// Get placeholder properties (creation time, modify time and file size).

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

//    

void CHarvesterAudioPlaylistPlugin::GetPlaceHolderPropertiesL( CHarvesterData* aHD,

                               TBool aIsAdd )

    {

    CMdEObject& mdeObject = aHD->MdeObject();

    const TDesC& uri = mdeObject.Uri();

    TEntry entry;

    TInt err = iFs.Entry( uri, entry );

    if ( err!= KErrNone )

        {

        User::Leave( err ); // metadata cannot be gathered!

        }

	TTime now;

	now.HomeTime();

    if( !iPropDefs )

        {

        CMdEObjectDef& objectDef = mdeObject.Def();

        iPropDefs = CHarvesterAudioPlaylistPluginPropertyDefs::NewL( objectDef );

        }

	CMdeObjectWrapper::HandleObjectPropertyL(

                 mdeObject, *iPropDefs->iCreationDatePropertyDef, &now, aIsAdd );

	CMdeObjectWrapper::HandleObjectPropertyL(

             mdeObject, *iPropDefs->iLastModifiedDatePropertyDef, &entry.iModified, aIsAdd );

	CMdeObjectWrapper::HandleObjectPropertyL(

              mdeObject, *iPropDefs->iSizePropertyDef, &entry.iSize, aIsAdd );

    }

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

// CHarvesterAudioPlaylistPlugin::GetMimeTypePropertyL

// Get mime type.

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

//    

TBool CHarvesterAudioPlaylistPlugin::GetMimeTypePropertyL( 

		CHarvesterData* aHD, TBool aIsAdd )

    {

    CMdEObject& mdeObject = aHD->MdeObject();

    TBuf<40> mimeType( KNullDesC );

    TBool supported( EFalse );

    supported = iPlaylistParser->ParseMimeType( mdeObject.Uri(), mimeType );

    delete iMime;

    iMime = NULL;

    iMime = mimeType.AllocL();

    if( !iPropDefs )

        {

        CMdEObjectDef& objectDef = mdeObject.Def();

        iPropDefs = CHarvesterAudioPlaylistPluginPropertyDefs::NewL( objectDef );

        }

    CMdeObjectWrapper::HandleObjectPropertyL( mdeObject, 

            *iPropDefs->iItemTypePropertyDef, (TAny*)&(mimeType), 

        	aIsAdd );

    return supported;

    }

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

// CHarvesterAudioPlaylistPlugin::GetMusicPropertiesL

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

//    

void CHarvesterAudioPlaylistPlugin::GetMusicPropertiesL( CHarvesterData* aHD,

                                      TBool aIsAdd )

    {

    CMdEObject& mdeObject = aHD->MdeObject();

    if( !iPropDefs )

        {

        CMdEObjectDef& objectDef = mdeObject.Def();

        iPropDefs = CHarvesterAudioPlaylistPluginPropertyDefs::NewL( objectDef );

        }

    CMdESession& session = mdeObject.Session();

#ifdef MDS_PLAYLIST_HARVESTING_ENABLED

	TInt playlistType( MdeConstants::Album::EAlbumMusicPlaylist );

	CMdeObjectWrapper::HandleObjectPropertyL( 

              mdeObject, *iPropDefs->iAlbumTypeDef, &playlistType, aIsAdd );

#endif

    RPointerArray<HBufC> playlistItems;

    TCleanupItem cleanupItem( MdsUtils::CleanupPtrArray<HBufC>, &playlistItems );

    CleanupStack::PushL( cleanupItem );

    const TBool parsed( iPlaylistParser->ParseL( mdeObject.Uri(), playlistItems, iMime->Des() ) ); 

    if( parsed )

        {

        TTime curtime( 0 );

        curtime.UniversalTime();

        const TTimeIntervalSeconds timeOffsetSeconds = User::UTCOffset();

        const TTime localTime = curtime + timeOffsetSeconds;

        RPointerArray<CMdEObject> objectArray;

        CMdENamespaceDef& nsDef = session.GetDefaultNamespaceDefL();

        CMdEObjectDef& playlistObjectDef = nsDef.GetObjectDefL( MdeConstants::AudioPlaylistItem::KAudioPlaylistItem );

        const TInt count( playlistItems.Count() );

        for( TInt i = 0; i < count; i++)

            {

            CMdEObject* mdeAudioObject = session.GetObjectL( playlistItems[i]->Des() );

            if( mdeAudioObject )

                {

                CMdEObject* object = session.NewObjectLC( playlistObjectDef, Object::KAutomaticUri );

                object->AddTimePropertyL( *iPropDefs->iCreationDatePropertyDef, localTime );

                object->AddTimePropertyL( *iPropDefs->iLastModifiedDatePropertyDef, curtime );

                object->AddUint32PropertyL( *iPropDefs->iSizePropertyDef, 0 );

                object->AddTextPropertyL( *iPropDefs->iItemTypePropertyDef, AudioPlaylistItem::KAudioPlaylistItemType );

                object->AddInt32PropertyL( *iPropDefs->iAlbumIDDef, mdeObject.Id() );

                object->AddInt32PropertyL( *iPropDefs->iAudioObjectIDDef, mdeAudioObject->Id() );

                // position is considered to represent items relative position in the list

                // if item is removed from the middle of the list, position is still valid even though

                // the actual position value is not updated

                object->AddInt32PropertyL( *iPropDefs->iPositionDef, (i+1) ); // playlist position starts from 1

                objectArray.AppendL( object );

                CleanupStack::Pop(); // object

                }

            delete mdeAudioObject;

            }

        CleanupResetAndDestroyPushL( objectArray );

        TRAPD( addError, session.AddObjectsL( objectArray ) );

        if ( addError != KErrNone )

            {

            WRITELOG1( "CHarvesterAudioPlaylistPlugin::GetMusicPropertiesL - Add items to MDE error: %d", addError );

            }

        CleanupStack::PopAndDestroy( &objectArray );

        }

    CleanupStack::PopAndDestroy( &playlistItems );

    }

// End of file