/*

* Copyright (c) 2010 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: mail content implementation definition

*

*/

#ifndef EMAILCONTENT_H

#define EMAILCONTENT_H

#include <memailcontent.h>

#include "emailapiutils.h"

using namespace EmailInterface;

class CFSMailPlugin;

class CFSMailRequestObserver;

NONSHARABLE_CLASS( CEmailMessageContent ) : public CBase, 

                                            public MEmailMessageContent

{

public:

    static CEmailMessageContent* NewL( 

            CPluginData& aPluginData,

            const TMessageContentId& aMsgContentId,

            CFSMailMessagePart* aPart);

    ~CEmailMessageContent();

public: // from MEmailInterface

    TEmailTypeId InterfaceId() const;

    void Release();

public: // from MEmailMessageContent

    TMessageContentId Id() const;

    TPtrC ContentType() const;

    void SetContentType( const TDesC& aContentType );

    TPtrC ContentId() const;

    void SetContentId( const TDesC& aContentId );

    TPtrC ContentDescription() const;

    void SetContentDescription( const TDesC& aContentDescription );

    TPtrC ContentDisposition() const;

    void SetContentDisposition( const TDesC& aContentDisposition );

    TPtrC ContentClass() const;

    void SetContentClass( const TDesC& aContentClass );

    TInt AvailableSize() const;

    TInt TotalSize() const;

    TPtrC ContentL() const;

    void SetContentL( const TDesC& aContent );

    void FetchL( MEmailFetchObserver& aObserver );

    void CancelFetch();

    void SaveToFileL( const TDesC& aPath );

    MEmailMultipart* AsMultipartOrNull() const;

    MEmailTextContent* AsTextContentOrNull() const;

    MEmailAttachment* AsAttachmentOrNull() const;

public:     

    CFSMailMessagePart& Part();

    void SetPart( CFSMailMessagePart *aPart );

    CPluginData& PluginData();

protected:

    CEmailMessageContent( CPluginData& aPluginData, const TMessageContentId& aMsgContentId, CFSMailMessagePart* aPart );

private:

    class CContentRequestObserver: public CBase, 

                                   public MFSMailRequestObserver

        {

    public:

        CContentRequestObserver( CEmailMessageContent &aParent);

        virtual void RequestResponseL( TFSProgress aEvent, TInt aRequestId );

        void SetObserverL( MEmailFetchObserver* aObserver );

    private:

        MEmailFetchObserver* iObserver;

        CEmailMessageContent& iParent;

        };

private:

    void ConstructL();

private:

    CPluginData&            iPluginData;

    CFSMailPlugin*          iPlugin;

    CFSMailMessagePart*     iPart;

    TMessageContentId       iMsgContentId;

    mutable HBufC*          iBuf;

    mutable TUint           iUsed;

    CContentRequestObserver *iFetchObserver;

    TInt                    iRequestId;

};

#endif // EMAILCONTENT_H

// End of file