/*

* Copyright (c) 2007-2009 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:  Harvests metadata from wm video file 

*

*/

#include <e32std.h>

#include <caf/caf.h>

#include "mdsutils.h"

#include "harvesterdata.h"

#include "harvesterlog.h"

#include "harvestercommon.h"

#include "harvesterwmvplugin.h"

#include "mdscommoninternal.h"

#include <mdenamespacedef.h>

#include <mdeobjectdef.h>

#include "mdeobject.h"

#include "mdetextproperty.h"

#include "mdeobjectwrapper.h"

CHarvesterWmvPluginPropertyDefs::CHarvesterWmvPluginPropertyDefs() : CBase()

	{

	}

void CHarvesterWmvPluginPropertyDefs::ConstructL(CMdEObjectDef& aObjectDef)

	{

	CMdENamespaceDef& nsDef = aObjectDef.NamespaceDef();

	// Common 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& mediaDef = nsDef.GetObjectDefL( MdeConstants::MediaObject::KMediaObject );

    iDrmPropertyDef = &mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KDRMProperty );

    iDescriptionPropertyDef = &mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KDescriptionProperty );

    iAuthorPropertyDef = &mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KAuthorProperty );

    iGenrePropertyDef = &mediaDef.GetPropertyDefL( MdeConstants::MediaObject::KGenreProperty );

	}

CHarvesterWmvPluginPropertyDefs* CHarvesterWmvPluginPropertyDefs::NewL(CMdEObjectDef& aObjectDef)

	{

	CHarvesterWmvPluginPropertyDefs* self = 

		new (ELeave) CHarvesterWmvPluginPropertyDefs();

	CleanupStack::PushL( self );

	self->ConstructL( aObjectDef );

	CleanupStack::Pop( self );

	return self;

	}

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

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

// Constructor

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

//

CHarvesterWMVPlugin* CHarvesterWMVPlugin::NewL()

    {

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Destructor

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

//

CHarvesterWMVPlugin::~CHarvesterWMVPlugin()

    {

    WRITELOG( "CHarvesterWMVPlugin::~CHarvesterWMVPlugin()" );

    delete iPropDefs;

    }

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

// Harvest file

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

//

void CHarvesterWMVPlugin::HarvestL( CHarvesterData* aHD )    

    {

    WRITELOG( "CHarvesterWMVPlugin::Harvest()" );

    CMdEObject& mdeObject = aHD->MdeObject();

    CHarvesterWmvClipDetails* clipDetails = CHarvesterWmvClipDetails::NewL();

    CleanupStack::PushL( clipDetails );

    TRAPD( error, GatherDataL( mdeObject, *clipDetails ) );

    if ( error == KErrNone || error == KErrCompletion )

    	{

    	TBool isNewObject( mdeObject.Id() == 0 );

        if ( isNewObject || mdeObject.Placeholder() )

            {

            TRAP( error, HandleObjectPropertiesL( *aHD, *clipDetails, ETrue ) );

            mdeObject.SetPlaceholder( EFalse );

            }

        else

            {

            TRAP( error, HandleObjectPropertiesL( *aHD, *clipDetails, EFalse ) );

            }

        if ( error != KErrNone )

            {

            WRITELOG1( "CHarvesterWMVPlugin::HarvestL() - Handling object failed: ", error );

            }

    	}

    else

        {

        TInt convertedError = KErrNone;

        MdsUtils::ConvertTrapError( error, convertedError );

        aHD->SetErrorCode( convertedError );

        }

    CleanupStack::PopAndDestroy( clipDetails );

    }

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

// CHarvesterWMVPlugin::GetMimeType (from CHarvesterPlugin)

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

//    

void CHarvesterWMVPlugin::GetMimeType( const TDesC& aUri, TDes& aMimeType )

    {

    aMimeType.Zero();

    ContentAccess::CContent* content = NULL;

    TRAPD( err, content = ContentAccess::CContent::NewL( aUri ) );

    if (err == KErrNone) 

        {

        err = content->GetStringAttribute( ContentAccess::EMimeType, aMimeType );

        delete content;

        }

    }

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

// Default constructor

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

//

CHarvesterWMVPlugin::CHarvesterWMVPlugin() : CHarvesterPlugin(), iPropDefs( NULL )

    {

    }

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

// 2nd phase constructor

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

//

void CHarvesterWMVPlugin::ConstructL()

    {

    WRITELOG( "CHarvesterWMVPlugin::ConstructL()" );

    SetPriority( KHarvesterPriorityHarvestingPlugin - 1 );

    }

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

// GatherDataL

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

//

void CHarvesterWMVPlugin::GatherDataL( CMdEObject& aMetadataObject, CHarvesterWmvClipDetails& aClipDetails )

    {

    WRITELOG( "CHarvesterWMVPlugin::GatherDataL()" );

    const TDesC& uri = aMetadataObject.Uri();

    TEntry* entry = new (ELeave) TEntry();

    CleanupStack::PushL( entry );

    User::LeaveIfError( iFs.Entry( uri, *entry ) );

    aClipDetails.iModifiedDate = entry->iModified;

    aClipDetails.iFileSize = (TUint)entry->iSize;

    CleanupStack::PopAndDestroy( entry );

    ContentAccess::CContent* content = ContentAccess::CContent::NewLC( uri );

    ContentAccess::CData* data = content->OpenContentLC( ContentAccess::EPeek );

    ContentAccess::RStringAttributeSet attrSet;

    CleanupClosePushL( attrSet );

    attrSet.AddL( ContentAccess::EDescription );

    attrSet.AddL( ContentAccess::EMimeType );

    attrSet.AddL( ContentAccess::ETitle );

    attrSet.AddL( ContentAccess::EAuthor );

    attrSet.AddL( ContentAccess::EGenre );

    User::LeaveIfError( data->GetStringAttributeSet(attrSet) );

    TInt err = attrSet.GetValue( ContentAccess::EMimeType, aClipDetails.iMimeType );

    if ( err != KErrNone)

        {

        WRITELOG1( "CHarvesterWMVPlugin::GatherDataL - ERROR: getting mimetype failed %d", err );

        }

    if ( aClipDetails.iMimeType.Length() <= 0 )

        {

        WRITELOG( "CHarvesterWMVPlugin::GatherDataL - no mimetype" );

        }

    err = attrSet.GetValue( ContentAccess::EDescription, aClipDetails.iDescription );

    if ( err != KErrNone)

        {

        WRITELOG1( "CHarvesterWMVPlugin::GatherDataL - ERROR: getting description failed %d", err );

        }

    if ( aClipDetails.iDescription.Length() <= 0 )

        {

        WRITELOG( "CHarvesterWMVPlugin::GatherDataL - no description" );

        }

    err = attrSet.GetValue( ContentAccess::ETitle, aClipDetails.iTitle );

    if ( err != KErrNone)

        {

        WRITELOG1( "CHarvesterWMVPlugin::GatherDataL - ERROR: getting title failed %d", err );

        }

    if ( aClipDetails.iTitle.Length() <= 0 )

        {

        WRITELOG( "CHarvesterWMVPlugin::GatherDataL - no title" );

        }

    err = attrSet.GetValue( ContentAccess::EAuthor, aClipDetails.iAuthor );

    if ( err != KErrNone)

        {

        WRITELOG1( "CHarvesterWMVPlugin::GatherDataL - ERROR: getting author failed %d", err );

        }

    if ( aClipDetails.iAuthor.Length() <= 0 )

        {

        WRITELOG( "CHarvesterWMVPlugin::GatherDataL - no author" );

        }

    err = attrSet.GetValue( ContentAccess::EGenre, aClipDetails.iGenre );

    if ( err != KErrNone)

        {

        WRITELOG1( "CHarvesterWMVPlugin::GatherDataL - ERROR: getting genre failed %d", err );

        }

    if ( aClipDetails.iGenre.Length() <= 0 )

        {

        WRITELOG( "CHarvesterWMVPlugin::GatherDataL - no genre" );

        }

    err = content->GetAttribute( ContentAccess::EIsProtected, aClipDetails.iDrmProtected );

    if ( err != KErrNone)

        {

        WRITELOG1( "CHarvesterWMVPlugin::GatherDataL - ERROR: getting protection info failed %d", err );

        }

    CleanupStack::PopAndDestroy( 3 ); // content, data, attrSet

    }

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

// Handle object properties

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

//

void CHarvesterWMVPlugin::HandleObjectPropertiesL( 

    CHarvesterData& aHD,

    CHarvesterWmvClipDetails& aClipDetails,

    TBool aIsAdd )

    {

    WRITELOG( "CHarvesterWMVPlugin::HandleObjectPropertiesL()" );

    CMdEObject& mdeObject = aHD.MdeObject();

    if( !iPropDefs )

		{

		CMdEObjectDef& objectDef = mdeObject.Def();

		iPropDefs = CHarvesterWmvPluginPropertyDefs::NewL( objectDef );

		// Prefetch max text lengt for validity checking

		iMaxTextLength = iPropDefs->iGenrePropertyDef->MaxTextLengthL();

		}

    if( ! mdeObject.Placeholder() )

    	{

        // Creation date

    	TTimeIntervalSeconds timeOffset = User::UTCOffset();

    	TTime localModifiedDate = aClipDetails.iModifiedDate + timeOffset;

    	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

    			*iPropDefs->iCreationDatePropertyDef, &localModifiedDate, aIsAdd );

    	// Last modified date

    	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

    			*iPropDefs->iLastModifiedDatePropertyDef, &aClipDetails.iModifiedDate, aIsAdd );

    	// File size

    	CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

    			*iPropDefs->iSizePropertyDef, &aClipDetails.iFileSize, aIsAdd );

        // Mime Type

        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

                *iPropDefs->iItemTypePropertyDef, &aClipDetails.iMimeType, aIsAdd );

    	}

    // DRM protection

    if( aClipDetails.iDrmProtected )

        {

        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

                *iPropDefs->iDrmPropertyDef, &aClipDetails.iDrmProtected, aIsAdd );

        } 

    // Title (is set from URI by default)

    if( aClipDetails.iTitle.Length() > 0 && aClipDetails.iTitle.Length() < KMaxTitleFieldLength )

        {

        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

                *iPropDefs->iTitlePropertyDef, &aClipDetails.iTitle, EFalse );

        }

    // Description

    if( aClipDetails.iDescription.Length() > 0 && aClipDetails.iDescription.Length() < iMaxTextLength )

        {

        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

                *iPropDefs->iDescriptionPropertyDef, &aClipDetails.iDescription, aIsAdd );

        }   

    // Author

    if( aClipDetails.iAuthor.Length() > 0 && aClipDetails.iAuthor.Length() < iMaxTextLength )

        {

        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

                *iPropDefs->iAuthorPropertyDef, &aClipDetails.iAuthor, aIsAdd );

        }

    // Genre

    if( aClipDetails.iGenre.Length() > 0 && aClipDetails.iGenre.Length() < iMaxTextLength )

        {

        CMdeObjectWrapper::HandleObjectPropertyL(mdeObject, 

                *iPropDefs->iGenrePropertyDef, &aClipDetails.iGenre, aIsAdd );

        }   

    }