/** @file

* Copyright (c) 2005-2006 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:  CUpnpBrowseCommand

*

*/

#include "upnpbrowsecommand.h"

#include "upnppathresolver.h"

#include "upnppathelement.h"

#include "upnpavcpmanager.h"

#include "upnpavcontrolpoint.h"

#include "upnphttpmessagefactory.h"

#include "upnpstring.h"

#include "upnpcons.h"

#include "upnpavcpenginehelper.h"

using namespace UpnpAVCPEngine;

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

// CUpnpBrowseCommand::NewL

// Two-phased constructor.

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

//

CUpnpBrowseCommand* CUpnpBrowseCommand::NewL(CUpnpAVCPManager& aAVCPManager, CUpnpAVCPEngineSession& aSession, const RMessage2& aMessage)

	{

    CUpnpBrowseCommand* self = new( ELeave ) CUpnpBrowseCommand(aAVCPManager, aSession, aMessage);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;   

	}	

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

// CUpnpBrowseCommand::ConstructL

// Symbian 2nd phase constructor can leave.

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

//  

void CUpnpBrowseCommand::ConstructL() 

	{

	CUpnpCommand::BaseConstructL();

	} 

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

// CUpnpBrowseCommand::CUpnpBrowseCommand

// C++ default constructor can NOT contain any code, that

// might leave.

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

CUpnpBrowseCommand::CUpnpBrowseCommand(CUpnpAVCPManager& aAVCPManager, 

                   CUpnpAVCPEngineSession& aSession, 

                   const RMessage2& aMessage):

                   CUpnpCommand( aAVCPManager,

                   		     aSession, 

                   		     aMessage)

	{

	}

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

// CUpnpBrowseCommand::~CUpnpBrowseCommand

// desctructor

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

// 

CUpnpBrowseCommand::~CUpnpBrowseCommand()

	{

    delete iObjectId;

    delete iObjectName;

    iResult.Reset();

	}

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

// CUpnpBrowseCommand::SessionId

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

// 

TInt CUpnpBrowseCommand::SessionId() 

	{

    return CUpnpCommand::SessionId();   

	}

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

// CUpnpBrowseCommand::RunError

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

// 

void CUpnpBrowseCommand::RunError(TInt aErrorCode) 

	{

    return CUpnpCommand::RunError(aErrorCode);   

	}

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

// CUpnpBrowseCommand::ExecuteL

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

// 

void CUpnpBrowseCommand::ExecuteL()

	{

	//ASSERT(iType == EPrepareDirList || iType == EDirAttributes || iType == EFileAttributes);

    HBufC8* uuid = NULL;

    HBufC8* path = NULL;

    if (iType == EPrepareDirList) 

    	{

    	DEBUGSTRING(("Execute Browse command (dir listing)"));

    	// set command id

        TPckg<TInt> numPckg(iId);               

        iMessage.WriteL(0, numPckg);            

        uuid = ReadDes8FromMessageLC(2);    	            

        DEBUGSTRING8(("  uuid: %S",uuid));	

    	path = ReadDes8FromMessageLC(3);

    	DEBUGSTRING8(("  path: %S",path));	    	    	    		    	

    	}

    else 

    	{    	

    	DEBUGSTRING(("Execute Browse command (attributes)"));

    	uuid = ReadDes8FromMessageLC(0);

    	DEBUGSTRING8(("  uuid: %S",uuid));	    	            	

    	path = ReadDes8FromMessageLC(1);

    	DEBUGSTRING8(("  path: %S",path));	      	    	

    	}

    iPathResolver = &(iAVCPManager.PathResolverL(*uuid, &iSession));

    DEBUGSTRING(("Resolve path %S", path));	 

    iPathResolver->ResolveIdL(*path, *this);

	CleanupStack::PopAndDestroy(path);        

	CleanupStack::PopAndDestroy(uuid);          

	}

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

// CUpnpBrowseCommand::SetResultL

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

// 

void CUpnpBrowseCommand::SetResultL(const RMessage2& aMessage) 

	{

	//ASSERT(aMessage.Function() == EDownloadDirList);

     TInt size = iResult.Count();

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

      	{

         dirs[i] = iResult[i];

      	}

      TPtr8 result(reinterpret_cast<TUint8*>(dirs), sizeof(TFileInfo)*size, sizeof(TFileInfo)*size);          

      aMessage.WriteL(1, result);  

	}

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

// CUpnpBrowseCommand::SetAttForObject

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

// 

TBool CUpnpBrowseCommand::SetAttForObject(RArray<TFileInfo>& aList, const TDesC8& aName)

	{

	TBool result(EFalse);

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

    	{

        if (aList[i].iName.Compare(aName) == 0) 

        	{   

            iAttr = aList[i]; 

            result = ETrue;

            break;   

        	}

    	}

	return result;    	

	}

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

// CUpnpBrowseCommand::SendHeadRequestL

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

//

void CUpnpBrowseCommand::SendHeadRequestL(const TDesC8& aUrl) 

	{

	DEBUGSTRING8(("Send HTTP HEAD request for %S", &aUrl));

	HBufC8* resURIencoded = UpnpString::StringReplaceL(aUrl, _L8(" "), _L8("%20"));    			

	// we want wait for HEAD to get more info

	CleanupStack::PushL(resURIencoded);

	CUpnpHttpMessage* msg = RUpnpHttpMessageFactory::HttpHeadL( *resURIencoded );

	CleanupStack::PopAndDestroy(resURIencoded);

	CleanupStack::PushL( msg );    	            

	iAVCPManager.SendL(msg);  

	iSessionId = msg->SessionId();

	iAVCPManager.RegisterForHttp(*this);         

	CleanupStack::PopAndDestroy( msg ); 

	}

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

// CUpnpBrowseCommand::Interpret

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

// 

void CUpnpBrowseCommand::InterpretL(TInt aErrorCode, CUpnpAction* aAction) 

	{

	DEBUGSTRING(("Interpret action response %d", aErrorCode));

    if (aErrorCode == EHttp200Ok ) 

    	{

        TInt startIndex = StrToIntL( aAction->ArgumentValue( KStartingIndex ) );         

        TInt requestCount = StrToIntL( aAction->ArgumentValue( KRequestedCount ) );         

        TInt numberReturned = StrToIntL( aAction->ArgumentValue( KNumberReturned ) ); 

        TInt totalMatches = StrToIntL( aAction->ArgumentValue( KTotalMatches ) );         

        HBufC8* resURI = NULL;

        if (iType == EFileAttributes) 

        	{

        	iPathResolver->ParseBrowseResponseL( aAction->ArgumentValue( KResult ), &iResult, *iObjectId, &resURI);        	

        	}

        else 

        	{

        	iPathResolver->LockReset();

         	iPathResolver->ParseBrowseResponseL( aAction->ArgumentValue( KResult ), &iResult);

        	}

        if (iType == EPrepareDirList)  

        	{            

            if ( startIndex+numberReturned < totalMatches)  

            	{

                iStartIndex +=  KRequestedCountLimit;

               	iSessionId = iAVCPManager.CdsBrowseActionL(iPathResolver->UUID(),*iObjectId, KBrowseDirectChildren, KDefaultBrowseFilter, iStartIndex, KRequestedCountLimit, KNullDesC8);                

                iAVCPManager.RegisterForAction(*this);

            	}

            else 

            	{

            	iPathResolver->UnlockReset();

                TInt num(iResult.Count());                                    

                TPckg<TInt> numPckg(num);       

                // size of directory list

                iMessage.WriteL(1, numPckg); 

                iMessage.Complete(KErrNone);

                // don't destroy and wait for next command

            	}

        	}

        else 

        	{            

            if (SetAttForObject(iResult, *iObjectName))

            	{

                if (iType == EFileAttributes && resURI) 

                	{

                	CleanupStack::PushL(resURI);

                	SendHeadRequestL(*resURI);

                	CleanupStack::PopAndDestroy(resURI);                	                 

                	resURI = NULL;

                	}

                else 

                	{                        

                    TPckg<TFileInfo> attrPckg(iAttr); 

                    iMessage.WriteL(2,attrPckg);

                    iMessage.Complete(KErrNone);                     

                    delete this;                  

                	}

            	}

            else 

            	{

                iMessage.Complete(KErrNotFound);

				delete resURI;

                delete this;   

            	}

        	}       

    	}

    else 

    	{

    	iPathResolver->UnlockReset();

        iMessage.Complete(KErrAbort); 

        delete this;

    	}  

	}

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

// CUpnpBrowseCommand::Interpret

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

// 

void CUpnpBrowseCommand::InterpretL(TInt aErrorCode, CUpnpHttpMessage* aMessage)  

	{

	DEBUGSTRING(("HTTP Interpret %d", aErrorCode));

      // transfer pending   

    if (aErrorCode == KHttpGetStarted) 

    	{

      	return;

    	}    

    iAVCPManager.UnregisterForHttp(*this);     

    if (aErrorCode == EHttp200Ok || aErrorCode == EHttpPartialContent) 

    	{

		// set some attrs

		iAttr.iMimeType = aMessage->GetHeaderValue(UpnpHTTP::KHdrContentType);  

		TDesC8& size = aMessage->GetHeaderValue(UpnpHTTP::KHdrContentLength);  

		TLex8 intLex( size );                			    	

		intLex.Val( iAttr.iSize );

	    }

	TPckg<TFileInfo> attrPckg(iAttr); 

	iMessage.WriteL(2,attrPckg);       

	iMessage.Complete(KErrNone);

	delete this; 

	}

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

// CUpnpBrowseCommand::ResolvedId

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

//     

void CUpnpBrowseCommand::ResolvedIdL(TInt aErrCode, CUpnpPathElement* aIdElement)

	{

    DEBUGSTRING(("ResolvedId %d", aErrCode));	 

    if (aErrCode == KErrNone)  

    	{    	

        iObjectId = aIdElement->Id().AllocL();

        iObjectName = aIdElement->Name().AllocL();

        DEBUGSTRING(("Resolved object %S %S", iObjectId, iObjectName));

        if (iType == EPrepareDirList) 

        	{            

            iSessionId = iAVCPManager.CdsBrowseActionL(iPathResolver->UUID(), *iObjectId, KBrowseDirectChildren, KDefaultBrowseFilter, iStartIndex, KRequestedCountLimit, KNullDesC8);

        	}

        else 

        	{

            iSessionId = iAVCPManager.CdsBrowseActionL(iPathResolver->UUID(), *iObjectId, KBrowseMetadata, KDefaultBrowseFilter, 0, 0, KNullDesC8);    

        	}        

        iAVCPManager.RegisterForAction(*this);        

    	}

    else 

    	{

        iMessage.Complete(KErrNotFound);

        delete this;

    	}

	}

// End of File