/*

* Copyright (c) 2006 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:   All function that is required by the wmlengine from webkit.

*

*/

#ifndef WMLINTERFACE_H

#define WMLINTERFACE_H

//  INCLUDES

#include <e32std.h>

#include <e32base.h>

#include "BrCtlDefs.h"

#include "BrCtl.h" 

class CWmlContentInterface;

class MWmlInterface

    {

    public: // New functions

    /**

     * virtual destructor

     */

    inline virtual ~MWmlInterface() {};

        /**

        * Free all WML service options

    * Function BrCtl.h

    * void CBrCtl::ResetWmlServiceOptions().

        * @since 3.1.

        * @return void

        */

        virtual void resetWmlServiceOptions() = 0;

        /**

        * Add a WML service option.

    * Function BrCtl.h

    * void CBrCtl::WmlServiceOptionsAddItemL

        * @since 3.1.

        * @return void

        */

        virtual void setWmlServiceOptionsAddItemL(const TText* aText, TUint32 aElemID, TInt aElType) = 0;

    /**

        * Request the Browser Control to request the host application to update softkeys.

    * Function BrCtl.h

    * void CBrCtl::UpdateSoftkeys()

        * @since 3.1.

        * @return void

        */

        virtual void setUpdateSoftkeys(void) = 0;

    /**

        * Browser Control posts the data to the specified url.

    * Function BrCtl.h

    * void CBrCtl::PostUrlL(..)

        * @since 3.1.

        * @return void

        */

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

    /**

        * Convert a file name to a url.

    * Function BrCtl.h

    * HBufC* CBrCtl::FileNameToUrlLC(..)

        * @since 3.1.

        * @return HBufC*

        */

    virtual HBufC* fileNameToUrlLC(const TDesC& aFileName) = 0;

    /**

        * Set the WKScrollingProviderNotifyLayoutChange.

    * Function BrCtlDialogsProvider.h

    * void CBrCtlScrollingProvider::NotifyLayoutChange(..)

        * @since 3.1.

        * @return void

        */

      virtual void scrollingProviderNotifyLayoutChange(TBrCtlLayout aLayout) = 0;

    /**

        * Set the SetWKScrollingProviderUpdateVScrollBarL.

    * Function BrCtlDialogsProvider.h

    * void CBrCtlScrollingProvider::UpdateVScrollBarL(..)

        * @since 3.1.

        * @return void

        */

    virtual void setScrollingProviderUpdateVScrollBarL( TInt aDocumentHeight,

                TInt aDisplayHeight,

                TInt aDisplayPosY ) = 0;

    /**

        * Set the SetWKScrollingProviderUpdateHScrollBarL

    * Function BrCtlDialogsProvider.h

    * void CBrCtlScrollingProvider::UpdateHScrollBarL(..)

        * @since 3.1.

        * @return void

        */

    virtual void setScrollingProviderUpdateHScrollBarL( TInt aDocumentWidth,

                                TInt aDisplayWidth,

                                TInt aDisplayPosX ) = 0;  

    virtual void updateScrollbars(int documentHeight, int displayHeight, int displayPosY,

                int documentWidth, int displayWidth, int displayPosX) = 0;

     /**

        * Used by and defined in support of CWKDialogProvider

    * Function BrCtlDialogsProvider.h

    * CBrCtlObjectInfo::CWKObjectInfo() in

    * [WEBKIT\BrowserControl\src\WKDialogsProviderUtils.cpp]

        * @since 3.1.

        * @return CBrCtlObjectInfo*

        */

    virtual CBrCtlObjectInfo* objectInfoCreateL() = 0;

        /**

        * Loads URL and returns the handle to resource

    * Function WebKitLoader.h

    * CWmlResourceLoadListener* CWebKitLoader::LoadWmlResourceL(..)

        * @since 3.1.

        * @return CWmlResourceLoadListener*

        */

    //virtual CWmlResourceLoadListener* WKWmlResourceLoadListenerLoadWmlResourceL(CWmlContentInterface& aWmlContentInterface, const TDesC& aURL) = 0;

    virtual void resourceLoadListenerLoadWmlResourceL(const TDesC& aURL) = 0;

        /**

        * Set the URL

    * Function LoadListeners.h

    * void CWmlResourceLoadListener::SetUrlL(..)

        * @since 3.1.

        * @return void

        */ 

    virtual void resourceLoadListenerSetUrlL(/*CWmlResourceLoadListener* aListener,*/const TDesC& aUrl) = 0;

    /**

        * Find if a specific url is in cache

    * Function \S60\WebEngine\WEBKIT\BrowserControl\inc\BrCtl.h

    * TBool BrCtl::IsUrlInCache(TDesC& aUrl)

        * @since 3.1.

        * @return TBool

        */       

    virtual TBool wmlIsUrlInCache(TDesC& aUrl) = 0;

       /**

        * Find if a specific url is in cache

    * Function Function WebKitLoader.h

    * TBool void LoadPageL( const TDesC& aURL, const TDesC& aRereferrer, TBool aReload,

        *             TBool aOnLoad, const TDesC& aTarget, TEventCode aTriggeringEvent );

        * @since 3.1.

        * @return TBool

        */       

        virtual void wmlLoadUrlL( const TDesC& aURL, TDesC& aRereferrer, TInt aApId,

                               TBrCtlDefs::TBrCtlCacheMode aBrCtlCacheMode) = 0;

        virtual void loadResource(TDesC8& url, CWmlContentInterface* content) = 0;

    };

#endif      // BRCTLWMLINTERFACE_H

// End of File