/*

* Copyright (c) 2009 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: Support for executing asynchronously certain plugin

* operations.

*/

#ifndef BASEPLUGINDELAYEDOPSPRIVATE_H

#define BASEPLUGINDELAYEDOPSPRIVATE_H

#include "baseplugindelayedops.h"

/**

 * Lets the user enqueue and dequeue asynchronous jobs for handling

 * plugin-related actions. 

 */

NONSHARABLE_CLASS ( CDelayedOpsManager ) :

    public CBase,

    public MDelayedOpsManager

    {

public:

    static CDelayedOpsManager* NewL( CBasePlugin& aPlugin );

    virtual ~CDelayedOpsManager();

    // MDelayedOpsManager::EnqueueOpL

    virtual void EnqueueOpL( CDelayedOp* aOp );

    // MDelayedOpsManager::DequeueOpL

    virtual void DequeueOp( const CDelayedOp& aOp );

    // MDelayedOpsManager::Extension1

    virtual TInt Extension1(

        TUint /*aExtensionId*/, TAny*& /*a0*/, TAny* /*a1*/ );

private:

    CDelayedOpsManager( CBasePlugin& aPlugin );

    void ConstructL();

    void ExecutePendingOps();

    CDelayedOpsManager( const CDelayedOpsManager& );

    CDelayedOpsManager& operator= ( const CDelayedOpsManager& );    

private:

    CBasePlugin& iPlugin;

    RPointerArray<CDelayedOp> iDelayedOps;

    __LOG_DECLARATION

    };

/**

 * 

 */

NONSHARABLE_CLASS( CDelayedDeleteMessagesOp ) : public CDelayedOp

    {

public:

    static CDelayedDeleteMessagesOp* NewLC(

        TMsgStoreId aMailBoxId,

        TMsgStoreId aFolderId,

        const RArray<TFSMailMsgId>& aMessages );

    static CDelayedDeleteMessagesOp* NewLC(

        TMsgStoreId aMailBoxId,

        TMsgStoreId aFolderId,

        TMsgStoreId aMsgId );

    virtual ~CDelayedDeleteMessagesOp();

    //CDelayedOp::ExecuteOpL

    virtual void ExecuteOpL();

private:

    void ConstructL( const RArray<TFSMailMsgId>& aMessages );

    void ConstructL( TMsgStoreId aMsgId );

    CDelayedDeleteMessagesOp(

        TMsgStoreId aMailBoxId,

        TMsgStoreId aFolderId );

    CDelayedDeleteMessagesOp( const CDelayedDeleteMessagesOp& );

    CDelayedDeleteMessagesOp& operator= ( const CDelayedDeleteMessagesOp& );    

private:

    TMsgStoreId iMailBoxId;

    TMsgStoreId iFolderId;

    RArray<TMsgStoreId> iMessages;

    TBool iImmediateDelete;

    __LOG_DECLARATION

    };

/**

 * This most likely needs "large-content" mode where the content buffer is not

 * copied in memory but stored on a fast drive and then do a

 * ReplaceContentWithFileL.

 */

NONSHARABLE_CLASS( CDelayedSetContentOp ) : public CDelayedOp

    {

public:

    static CDelayedSetContentOp* NewLC(

       TMsgStoreId aMailBoxId,

       TMsgStoreId aMessageId,

       TMsgStoreId aMessagePartId,

       const TDesC& aContent );

    static CDelayedSetContentOp* NewLC(

       TMsgStoreId aMailBoxId,

       TMsgStoreId aMessageId,

       TMsgStoreId aMessagePartId,

       TInt aContentLength );

    virtual ~CDelayedSetContentOp();

    //CDelayedOp::ExecuteOpL

    virtual void ExecuteOpL();

private:

    void ConstructL( const TDesC& aContent );

    void ConstructL();

    CDelayedSetContentOp(

        TMsgStoreId aMailBoxId,

        TMsgStoreId aMessageId,

        TMsgStoreId aMessagePartId );

    CDelayedSetContentOp(

        TMsgStoreId aMailBoxId,

        TMsgStoreId aMessageId,

        TMsgStoreId aMessagePartId,

        TInt aContentLength );

    CMsgStoreMessagePart* FetchMessagePartLC();    

    CDelayedSetContentOp( const CDelayedSetContentOp& );

    CDelayedSetContentOp& operator= ( const CDelayedSetContentOp& );    

private:

    TMsgStoreId iMailBoxId;

    TMsgStoreId iMessageId;

    TMsgStoreId iMessagePartId;

    HBufC* iContent;

    TInt iContentLength;

    TBool iStepOne;

    __LOG_DECLARATION

    };

#endif // BASEPLUGINDELAYEDOPSPRIVATE_H