/*

* Copyright (c) 2007-2008 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:  Message header HTML

*

*/

#ifndef __CFREESTYLE_MESSAGE_HEADER_HTML_H__

#define __CFREESTYLE_MESSAGE_HEADER_HTML_H__

#include <e32base.h>

#include <biditext.h>  

#include "cfsmailmessage.h"

#include "cfsmailaddress.h"

#include "FreestyleMessageHeaderURLFactory.h"

class RWriteStream;

class RFs;

class RFile;

class CFreestyleMessageHeaderHTML : public CBase

    {

public:

    IMPORT_C static void ExportL( CFSMailMessage& aMailMessage, 

                                  RWriteStream& aWriteStream, 

                                  TInt aVisibleWidth, 

                                  TInt aScrollPosition,

                                  const TBool aAutoLoadImages,                                  

                                  const TBool aExpanded );

    IMPORT_C static void ExportL( CFSMailMessage& aMailMessage, 

                                  RFile& aFile, 

                                  TInt aVisibleWidth, 

                                  TInt aScrollPosition,

                                  const TBool aAutoLoadImages,

                                  const TBool aExpanded );

    IMPORT_C static void ExportL( CFSMailMessage& aMailMessage, 

                                  RFs& aFs, 

                                  const TPath& aFilePath, 

                                  TInt aVisibleWidth, 

                                  TInt aScrollPosition,

                                  const TBool aAutoLoadImages,

                                  const TBool aExpanded );

    IMPORT_C static CFreestyleMessageHeaderHTML* NewL( CFSMailMessage& aMailMessage,

                                                       RWriteStream& aWriteStream,

                                                       TInt aVisibleWidth,

                                                       TInt aScrollPosition,

                                                       const TBool aAutoLoadImages,

                                                       const TBool aExpanded );

    ~CFreestyleMessageHeaderHTML();

    IMPORT_C void ExportL() const;

private:

    CFreestyleMessageHeaderHTML( CFSMailMessage& aMailMessage,

                                 RWriteStream& aWriteStream,

                                 TInt aVisibleWidth,

                                 TInt aScrollPosition,

                                 const TBool aAutoLoadImages,

                                 const TBool aExpanded );

    void ConstructL();

    void HTMLStartL() const;

    void HTMLEndL() const;

    void ExportHTMLHeaderL() const;

    void HTMLHeaderStartL() const;

    void HTMLMetaL() const;

    void HTMLHeaderEndL() const;

    void ExportDisplayImagesTableL() const;

    void ExportHTMLBodyL() const;

    void HTMLBodyStartL() const;

    void HTMLBodyEndL() const;

    /*

     * Writes the subject to iWriteStream and also

     * takes care of the urls and marks them as hotspots

     */

    void WriteSubjectL(TDesC& aText ) const; 

    void ExportCollapseButtonL() const;

    void ExportTimeAndExpandButtonL() const;

    void ExportSubjectL() const;

    void ExportSubjectCollapsedL() const;

    void ExportFromL() const;

    void ExportToL() const;

    void ExportCcL() const;

    void ExportBccL() const;

    void ExportSentTimeL() const;

    void ExportAttachmentsL() const;

    void ExportEmailAddressesL( FreestyleMessageHeaderURLFactory::TEmailAddressType aEmailAddressType, 

                                const RPointerArray<CFSMailAddress>& aEmailAddresses,

                                const TDesC8& aRowId,

                                const TDesC8& aTableId,

                                TInt aHeaderTextResourceId ) const;

    void AddEmailAddressL( FreestyleMessageHeaderURLFactory::TEmailAddressType aEmailAddressType, 

                           const CFSMailAddress& aEmailAddress ) const;

    void AddAttachmentL( CFSMailMessagePart& aAttachment ) const;

    void StartHyperlinkL( const TDesC8& aUrl ) const;

    void EndHyperlinkL() const;

    void AddImageL( const TDesC8& aImageUrl ) const;

    void AddImageL( const TDesC8& aImageId, const TDesC8& aImageUrl, const TDesC8& aImageEvent ) const;

    void StartHeaderTableL( const TDesC8& aTableId, TBool aVisible ) const;

    void EndHeaderTableL() const;

    void StartTableL( const TDesC8& aTableId ) const;

    void EndTableL() const;

    HBufC8* ClickImageEventL( const TDesC8& aImageName ) const;

    void AddJavascriptL() const;    

    HBufC8* HeadingTextLC( TInt aId ) const;

    HBufC8* HeadingTextLC( TInt aId, TInt aSize ) const;

    void ExportCollapsedHeaderTableL() const;

    void ExportExpandedHeaderTableL() const;

    /**

     * Function for generating follow up icon's HTML code.

     * Returns NULL if no follow up flags are set.

     *

     * @param aShowText Whether to show icon's text after the icon or not.

     */

    HBufC8* HTMLHeaderFollowUpIconLC( TBool aShowText ) const;

    /**

     * Function for generating priority icon's HTML code.

     * Returns NULL if mail message's priority is normal.

     *

     * @param aShowText Whether to show icon's text after the icon or not.

     */

    HBufC8* HTMLHeaderPriorityIconLC( TBool aShowText ) const;

    void AddStyleSheetL() const;

    void StartDivL() const;

    void EndDivL() const;

private:

    CFSMailMessage&             iMailMessage; 

    RWriteStream&               iWriteStream;

    TInt                        iVisibleWidth;

    TInt                        iScrollPosition;

    TBool                       iAutoLoadImages;

    TBool                       iMirrorLayout;

    TBool                       iExpanded;

    RPointerArray<CFSMailMessagePart> iAttachments;

};

#endif //__CFREESTYLE_MESSAGE_HEADER_HTML_H__