/*
* Copyright (c) 2003 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: HTTP Connection Handler filter
*
*/
#ifndef CHTTPFILTERCONNHANDLER_H
#define CHTTPFILTERCONNHANDLER_H
// INCLUDES
#include <http/mhttpfilter.h>
#include "httpfilterconnhandlerinterface.h"
#include <httpstringconstants.h>
#include <ApEngineConsts.h>
class MConnectionCallback;
class CHttpFilterConnHandlerObserver;
// CONSTANTS
// MACROS
// DATA TYPES
// FUNCTION PROTOTYPES
// FORWARD DECLARATIONS
// CLASS DECLARATION
/**
* Http Filter ConnHandler implementation class.
*
* @lib cannot link with Ecom plugins
* @since 2.0
*/
class CHttpFilterConnHandler : public CHttpFilterConnHandlerInterface, public MHTTPFilter
{
public: // Constructors and destructor
/**
* Two-phased constructor. This function replaces NewL
*/
static CHttpFilterConnHandler* InstallFilterL(TAny* aConnParams);
/**
* Destructor.
*/
virtual ~CHttpFilterConnHandler();
public: // Functions from base classes
/**
* From MHTTPFilterBase Process a transaction event.
* @since 2.0
* @param aTransaction The transaction for which an event occured
* @param aEvent The event to be processed
* @return void
*/
virtual void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);
/**
* From MHTTPFilterBase Process a session event.
* @since 2.0
* @param aEvent The event to be processed
* @return void
*/
virtual void MHFSessionRunL(const THTTPSessionEvent& aEvent);
/**
* From MHTTPFilterBase Process an error that occured while processing the transaction.
* @since 2.0
* @param aError The error that occured
* @param aTransaction The transaction for which the error occured
* @param aEvent The event during which the error occured
* @return KErrNone
*/
virtual TInt MHFRunError(TInt aError,
RHTTPTransaction aTransaction,
const THTTPEvent& aEvent);
/**
* From MHTTPFilterBase Called when MHFRunL leaves from a session event.
* @since 2.0
* @param aError The error that occured
* @param aEvent The event during which the error occured
* @return KErrNone
*/
virtual TInt MHFSessionRunError(TInt aError, const THTTPSessionEvent& aEvent);
/**
* From MHTTPFilter Called when the filter is being removed from a session's filter queue.
* @since 2.0
* @param aSession The session it's being removed from
* @param aHandle The filter handle.
* @return void
*/
virtual void MHFUnload(RHTTPSession aSession, THTTPFilterHandle aHandle);
/**
* From MHTTPFilter Called when the filter is being added to the session's filter queue.
* @since 2.0
* @param aSession The session it's being added to.
* @param aHandle The filter handle.
* @return void
*/
virtual void MHFLoad(RHTTPSession aSession, THTTPFilterHandle aHandle);
public:
/**
* access function
*/
void GetObserver(CHttpFilterConnHandlerObserver*& aObserver);
private:
/**
* C++ default constructor.
*/
CHttpFilterConnHandler(RHTTPSession* aSession, MConnectionCallback* aConnCallback);
/**
* By default Symbian 2nd phase constructor is private.
*/
void ConstructL();
/**
* Function to handle Submit events. Creates connection if it doesn't exist.
**/
void CreateConnectionL(TApBearerType* aBearerType, MConnectionCallback* aCallbackPtr );
private: // Data
// Counter for how many times the filter was loaded
TInt iLoadCount;
// The HTTP Session for which the filter was loaded
RHTTPSession* iSession;
// The ConnectionCallback
MConnectionCallback* iConnCallback;
// The pointer to the CHttpFilterConnHandlerObserver object
CHttpFilterConnHandlerObserver* iObserver;
// Value storing the last Iap ID returned by the client
TUint32 iLastIapId;
};
#endif // CHTTPFILTERCONNHANDLER_H
// End of File