/*

* 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 <babitflags.h>

#include "cfsmailmessage.h"

#include "cfsmailaddress.h"

#include "FreestyleMessageHeaderURLFactory.h"

class RWriteStream;

class RFs;

class RFile;

class CFreestyleMessageHeaderHTML : public CBase

    {

public:

    /**

     * Flags to control exporting

     */

    enum TExportFlag

        {

        // Header is expanded

        EHeaderExpanded,

        // Attachments are expanded

        EAttachmentExpanded,

        // To field is expanded

        EToExpanded,

        // Cc field is expanded

        ECcExpanded,

        // Bcc field is expanded

        EBccExpanded,

        // ** For internal use only **         

        // Load images automatically

        EAutoLoadImages,

        // Mirrored layout in use

        EMirroredLayout        

        };

public:

    IMPORT_C static void ExportL( CFSMailMessage& aMailMessage, 

                                  RWriteStream& aWriteStream, 

                                  TInt aVisibleWidth, 

                                  TInt aScrollPosition,

                                  const TBool aAutoLoadImages,                                  

                                  const TBitFlags& aFlags );

    IMPORT_C static void ExportL( CFSMailMessage& aMailMessage, 

                                  RFile& aFile, 

                                  TInt aVisibleWidth, 

                                  TInt aScrollPosition,

                                  const TBool aAutoLoadImages,

                                  const TBitFlags& aFlags );

    IMPORT_C static void ExportL( CFSMailMessage& aMailMessage, 

                                  RFs& aFs, 

                                  const TPath& aFilePath, 

                                  TInt aVisibleWidth, 

                                  TInt aScrollPosition,

                                  const TBool aAutoLoadImages,

                                  const TBitFlags& aFlags );

    IMPORT_C static CFreestyleMessageHeaderHTML* NewL( CFSMailMessage& aMailMessage,

                                                       RWriteStream& aWriteStream,

                                                       TInt aVisibleWidth,

                                                       TInt aScrollPosition,

                                                       const TBool aAutoLoadImages,

                                                       const TBitFlags& aFlags );

    ~CFreestyleMessageHeaderHTML();

    IMPORT_C void ExportL() const;

private:

    CFreestyleMessageHeaderHTML( CFSMailMessage& aMailMessage,

                                 RWriteStream& aWriteStream,

                                 TInt aVisibleWidth,

                                 TInt aScrollPosition,

                                 const TBool aAutoLoadImages,

                                 const TBitFlags& aFlags );

    void ConstructL();

    void ExportHeaderTablesL() const;

    void ExportCollapsedHeaderTableL() const;

    void ExportExpandedHeaderTablesL() const;

    void ExportTableVisibilityParameterL( const TDesC& aTableName, const TBitFlags& aFlags ) const;

    void ExportTableVisibilityParameterL( const TDesC& aTableName, const TBool aVisible ) const;

    void ExportTableBeginL( const TDesC& aTableName, const TBitFlags& aFlags = TBitFlags() ) const;

    void ExportTableEndL() const;

    void ExportInnerTableBeginL( const TDesC& aTableName, const TInt aColSpan, const TBitFlags& aFlags = TBitFlags()  ) const;

    void ExportInnerTableBeginWithRowBeginL( const TDesC& aTableName, const TInt aColSpan, const TBool aVisible, const TBitFlags& aFlags = TBitFlags() ) const;

    void ExportInnerTableEndL() const;

    void ExportInnerTableEndWithRowEndL() const;

    void ExportAttachmentTablesL() const;

    void ExportCollapsedAttachmentTableL( const TBool aHide ) const;

    void ExportCollapsedAttachmentsTableRowL() const;

    void ExportExpandedAttachmentTableL( const TBool aHide ) const;

    void ExportExpandedAttachmentsTableRowsL() const;

    void ExportAttachmentsL() const;    

    void ExportAttachmentL( CFSMailMessagePart& aAttachment ) const;    

    void ExportAttachmentIconL() const;

    void ExportSenderTableRowL( const TBool aCollapsed ) const;

    void ExportSenderAddressTableRowL() const;

    void ExportDateTimeTableRowL( const TInt aColSpan = 1 ) const;

    void ExportSubjectTableRowL( const TBool aShowLabel = EFalse ) const;

    void ExportMessageIconsL() const;

    void ExportFromTableRowL() const;

    void ExportToTableL() const;

    void ExportCcTableL() const;

    void ExportBccTableL() const;

    void ExportRecipientsTableL( const TDesC& aType, const TInt aLabelResourceId,

            const RPointerArray<CFSMailAddress>& aRecipients, const TBool aExpanded ) const;

    void ExportRecipientsL( const TDesC& aType, const RPointerArray<CFSMailAddress>& aRecipients ) const;

    void ExportExpandRecipientsL( const TDesC& aType, const TInt aCount ) const;

    void ExportExpandAttachmentsL( const TDesC& aType, const TInt aCount ) const;

    void ExportLabelTableRowL( const TInt aResourceId, const TInt aColSpan = 1 ) const;

    void ExportIconL( const TDesC& aIconName ) const;

    HBufC* SubjectLC() const;

    TInt CalculateTotalSpaceRequired( const TDesC& aText, CFindItemEngine& aItemEngine, 

            TInt& aMaxLength ) const;

    HBufC* CreateLinksLC( const TDesC& aText, const TInt aSearchCases ) const;

    void ExportHTMLBodyStartL() const;

    void ExportHTMLBodyEndL() const;

    void ExportDisplayImagesTableL() const;

    void ExportBodyStyleL() const;

private:

    // Table formatting flags

    enum TTableStyleFlags

        {

        // Table is hidden

        EHidden,

        // Table width is fixed

        EFixed

        };

    CFSMailMessage&             iMailMessage; 

    RWriteStream&               iWriteStream;

    TInt                        iVisibleWidth;

    TInt                        iScrollPosition;

    RPointerArray<CFSMailMessagePart> iAttachments;

    TBitFlags iExportFlags;

};

#endif //__CFREESTYLE_MESSAGE_HEADER_HTML_H__