/*

* 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 the License "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:  Callback classes from Link resolver to the UI and back

*

*/

#ifndef MLINKRESOLVERCALLBACKS_H

#define MLINKRESOLVERCALLBACKS_H

#include <brctldefs.h>

#include "BrsrStatusCodes.h"

#include "urlloader_urlresponse.h"

//  INCLUDES

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

class MBrCtlLinkResolver;

class CWmlResourceLoadListener;

/**

*  Callback class for requests to the UI from Link Resolver.

*

*  @lib httploader.lib

*  @since 2.0

*/

class MHttpLoader_LinkResolverCallbacks

    {

public: // New functions

    /**

    * Called to obtain the current URL.

    * @since 2.8

	* @param 

    * @return The current URL

    */

    virtual HBufC* CurrentUrlLC() = 0;

    /**

    * Called to obtain a pointer to the Link Resolver

    * @since 2.8

    * @return The Browser Control's Link Resolver

    */

    virtual MBrCtlLinkResolver* LinkResolver() = 0;

    /**

    * Called to check if the Host Application should be called to resolve the URL

    * @since 2.8

    * @return ETrue if the Host Application will resolve the URL, EFalse otherwise

    */

    virtual TBool ShouldResolveUrl(TBool aIsTopLevel, NW_Uint8 aReason) = 0;

    /**

    * Called to Load Url to resolve the URL

    * @since 3.1

    * @return 

    */

    virtual void LoadLinkUrl(const TDesC& aUrl, void* aHeaders ) = 0;

    /**

    * Called to Load Url to resolve the URL

    * @since 3.1

    * @return 

    */

    virtual void PostLinkUrl(TDesC& aUrl, TDesC8& aPostData, TDesC& aContentType) = 0;

    /**

    * Called to Load Ebbeded content

    * @since 3.1

    * @return 

    */

    virtual CWmlResourceLoadListener* LoadEmbededUrl( const TDesC& aUrl, void *aLoadContext,

                        void* aPartialLoadCallback, TUint16 aTransId  ) = 0;

	/**

    * Called to set the ONENTERBACKWORD event

    * @since 3.1

    * @return void

    */

    virtual void SetOnEnterBackwordReason() = 0;

    /**

    * Convert a charset from string to IANA encoding

    * @since 2.8

    * @return IANA encoding of the charset

    */

    virtual TUint16 ConvertCharset(const TDesC8& aCharset) = 0;

    };

#endif      // MLINKRESOLVERCALLBACKS_H   

// End of File