/*

* 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:    Command request

*

*/

#include "glxcommandparser.h"

#include <glxcommandgeneraldefs.h>

#include <glxmediageneraldefs.h>

#include <mpxcollectionpath.h>

#include <mpxcommand.h>

#include <mpxcommandgeneraldefs.h>

#include <mpxmediageneraldefs.h>

/// @todo minor: Rowland Cook 12/06/2007 Add method decription.

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

// TGlxCommandParser::ParseL

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

//	

EXPORT_C void TGlxCommandParser::ParseL(MGlxCommandParserCallback& aCommandHandler, const CMPXCommand& aCommand)

    {

    TUint32 commandId = ValueL<TUint32>(KMPXCommandGeneralId, aCommand);

    RArray<TGlxMediaId> sourceIdArray;

    CleanupClosePushL(sourceIdArray);

    RArray<TGlxMediaId> targetIdArray;

    CleanupClosePushL(targetIdArray);

    switch (commandId)

        {

        case KGlxCommandIdAdd:

            { 

            TBool hasTitle = aCommand.IsSupported(KMPXMediaGeneralTitle);

            TBool hasSourceIds = aCommand.IsSupported(KMPXCommandGeneralSourceIds);

            TBool hasUri = aCommand.IsSupported(KMPXCommandGeneralSourceUri);

            TBool hasTargetIds = aCommand.IsSupported(KMPXMediaGeneralContainerId);

            TBool hasDrive = aCommand.IsSupported(KMPXMediaGeneralDrive);

            if (hasSourceIds)

                {            

                ArrayValueL(KMPXCommandGeneralSourceIds, sourceIdArray, aCommand);

                }

            if (hasTargetIds)

                {

                ArrayValueL(KMPXMediaGeneralContainerId, targetIdArray, aCommand);  

                }

/// @todo minor: Rowland Cook 12/06/2007 Could this be restrctured to be more efficient?

//                                       IE - Test for invalid combiations before retrieving the data. 

            if(hasTitle)

                {

                if(hasUri || hasSourceIds || hasDrive || hasTargetIds)

                    {

                    User::Leave(KErrArgument);

                    }

                aCommandHandler.AddContainerL(DescriptorValueL(KMPXMediaGeneralTitle, aCommand));

                }

            else if (hasUri)

                {

                if (hasSourceIds || hasDrive || !hasTargetIds)

                    // Illegal parameter combination

                    {

                    User::Leave(KErrArgument);

                    }

                aCommandHandler.AddToContainerL(DescriptorValueL(KMPXCommandGeneralSourceUri, aCommand), targetIdArray);   

                }

            else if (hasSourceIds)

                {

                if (hasTargetIds)

                    {

                    if (hasDrive)

                    	// Illegal parameter combination

                    	{

                    	User::Leave(KErrArgument);

                    	}

                    aCommandHandler.AddToContainerL(sourceIdArray, targetIdArray);

                    }

                else if (hasDrive)

                    {

                    aCommandHandler.CopyL(sourceIdArray, DescriptorValueL(KMPXMediaGeneralDrive, aCommand));

                    }

                else

                    // There isn't a target

                    {

                    User::Leave(KErrArgument);

                    }

                }

            else // There isn't a source

                {

                User::Leave(KErrArgument);

                }

            break;

            }

        case KGlxCommandIdRemove:

            {

            ArrayValueL(KMPXCommandGeneralSourceIds, sourceIdArray, aCommand);  

            TGlxMediaId containerId (ValueL<TMPXItemId>(KMPXMediaGeneralContainerId, aCommand));

            if (containerId == KGlxContainerDevice)

            	{

            	aCommandHandler.DeleteL(sourceIdArray);

            	}

            else

            	{

            	aCommandHandler.RemoveFromContainerL(sourceIdArray, containerId);

            	}

            break;

            }

        case KGlxCommandIdSet:

            {    

            TBool hasTitle = aCommand.IsSupported(KMPXMediaGeneralTitle);

            TBool hasDrive = aCommand.IsSupported(KMPXMediaGeneralDrive);

            TBool hasComment = aCommand.IsSupported(KMPXMediaGeneralComment);

            TBool hasLocation = aCommand.IsSupported(KGlxMediaGeneralLocation);

            ArrayValueL(KMPXCommandGeneralSourceIds, sourceIdArray, aCommand);

            if (hasTitle)

                // Rename operation

                {

                if (hasDrive || hasComment || hasLocation || sourceIdArray.Count() < 1)

                    // Unsupported attribute combination

                    {

                    User::Leave(KErrArgument);

                    }

                 const TDesC& title = DescriptorValueL(KMPXMediaGeneralTitle, aCommand);

                 aCommandHandler.RenameL(sourceIdArray[0], title);

                }

            else if (hasDrive)

                {

                if(hasComment  || hasLocation)

                    // Unsupported attribute combination

                    {

                    User::Leave(KErrArgument);

                    }

                const TDesC& drive = DescriptorValueL(KMPXMediaGeneralDrive, aCommand);

                aCommandHandler.MoveL(sourceIdArray, drive);

                }

            else if (hasComment)

                {

                if ( hasLocation )

                    // Unsupported attribute combination

                    {

                    User::Leave(KErrArgument);

                    }

                const TDesC& comment = DescriptorValueL(KMPXMediaGeneralComment, aCommand);

                aCommandHandler.SetDescriptionL(sourceIdArray, comment);

                }

            else if (hasLocation)

            	{

            	TCoordinate coordinate = aCommand.ValueTObjectL<TCoordinate>(KGlxMediaGeneralLocation);

            	aCommandHandler.SetCaptureLocationL(sourceIdArray, coordinate);

            	}

            else

            	{

                User::Leave(KErrArgument);

            	}

            break;

            }

        case KGlxCommandThumbnailCleanup:

        	{

        	aCommandHandler.ThumbnailCleanupL();

        	break;

        	}

        }

        CleanupStack::PopAndDestroy(&targetIdArray); 

        CleanupStack::PopAndDestroy(&sourceIdArray);

    }

/// @todo minor: Rowland Cook 12/06/2007 Add method decription.

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

// TGlxCommandParser::IdsL

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

//	

EXPORT_C TBool TGlxCommandParser::IdsL(TUid& aCollectionUid, TUint32& aSessionId, const CMPXCommand& aCommand)

    {	

	aCollectionUid = ValueL<TUid>(KMPXCommandGeneralCollectionId, aCommand);    

    if ( aCommand.IsSupported(KMPXCommandGeneralSessionId) )

    	{

    	aSessionId = aCommand.ValueTObjectL<TUint32>(KMPXCommandGeneralSessionId);

    	return ETrue;

    	}

    else

    	{

    	return EFalse;

    	}

    }

/// @todo minor: Rowland Cook 12/06/2007 Add method decription.

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

// TTGlxCommandParser::ArrayValueL

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

//	

void TGlxCommandParser::ArrayValueL(const TMPXAttribute & aAttribute, RArray<TGlxMediaId>& aArray, const CMPXCommand& aCommand)

    {

    if (!aCommand.IsSupported(aAttribute) || aCommand.Type(aAttribute) != EMPXTypeCObject)

        {

        User::Leave(KErrArgument);

        }

    const CMPXCollectionPath* path = aCommand.ValueCObjectL<CMPXCollectionPath>(aAttribute);

	RArray<TMPXItemId> list;

    path->SelectionL(list);

    if (list.Count() == 0) // append the current item

        {

        aArray.AppendL(TGlxMediaId(path->Id())); 

        } 

    else

    	{

    	for( TInt i = 0 ; i < list.Count() ; i++ )

    		{

    		aArray.AppendL(TGlxMediaId(list[i]));

    		}

    	}

    }

/// @todo minor: Rowland Cook 12/06/2007 Add method decription.

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

// TGlxCommandParser::ValueL

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

//	

template<typename T> T TGlxCommandParser::ValueL(const TMPXAttribute & aAttribute, const CMPXCommand& aCommand)

    {

    if ( !aCommand.IsSupported(aAttribute) )

    	{

        User::Leave(KErrArgument); 	

    	}

    return aCommand.ValueTObjectL<T>(aAttribute);

    }

/// @todo minor: Rowland Cook 12/06/2007 Add method decription.

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

// TGlxCommandParser::DescriptorValueL

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

//	

const TDesC& TGlxCommandParser::DescriptorValueL(const TMPXAttribute& aAttribute, const CMPXCommand& aCommand)

    {

    if (!aCommand.IsSupported(aAttribute) || aCommand.Type(aAttribute) != EMPXTypeText)

        {

        User::Leave(KErrArgument);

        }

    return aCommand.ValueText(aAttribute);

    }