/*

* Copyright (c) 2007 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:  

*

*/

#ifndef __HTTPDOWNLOAD_H__

#define __HTTPDOWNLOAD_H__

#include <brctlspecialloadobserver.h>

#include "HttpUiCallbacks.h"

#include "HttpCallbacks.h"

#include <downloadmgrclient.h>

#include <cdownloadmgruilibregistry.h>

#include <brctldownloadobserver.h>

class HttpDlConnection;

class RHTTPTransaction;

class CHttpLoaderEventToUiListener;

class HttpSessionManager;

class HttpDownload : public MHttpDownloadMgrObserver, public MHttpDownloadMgrNextUriObserver

{

public:

    /**

    * Two-phased constructor.

    */

    static HttpDownload* NewL(HttpSessionManager* sessionManager);

    virtual ~HttpDownload();

    void continueDownloadL(RHTTPTransaction* connTransaction, HttpDlConnection* dlConnection);

    /**

    * Create a connection in DMgr with the given name.

    */

    void connect( TName& aName );

    /**

    * Close Download Manager connection

    */

    void disconnect();

    /* This method displays download list

    */

    void ShowDownloadsL();

   /*

    * This method calls to download manager in order to display query "Cancel

    * outstanding downloads?" and cancel if it requested by user

    * return ETrue if it is OK to exit; EFalse - if it is not OK to exit

    */

    bool okToExit();

   /*

    * This method calls to Download Manager to prepare to exit.

    */

    void prepareToExit( long appUid, long viewId, long customMessageId );

   /*

    * This method calls to Download Manager to HandleDownloadCommandL.

    */

    void HandleDownloadCommandL(unsigned int transId, TBrCtlDefs::TBrCtlDownloadCmd command);

    /**

    * Enables cookie usage in DMgr.

    * enable true if cookies are enabled

    */

    void enableCookies(int enable );

    /**

    */

    void updateDownloadsOpenEnabled();

    // from MHttpDownloadMgrObserver

    void HandleDMgrEventL( RHttpDownload& download, THttpDownloadEvent dvent );

    //from MHttpDownloadMgrNextUriObserver

    void NextUriL( RHttpDownload& download, const TDesC8& uri );

   /*

    * Returns a number of outstanding downloads which not handled by

    * the media

    */

    unsigned int numOfDownloads();

private:

   /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL(HttpSessionManager* sessionManager);

    HttpDownload();

   /**

    * Initialize Download Manager

    */

    void initDownloadMgrL();

   /**

    * Initialize Download Manager Ui Lib

    */  

    void initDownloadMgrUiLibL();

    /**

    * Finds connection associated with the download id

    * dlId unique download id

    */

    HttpDlConnection* findDownloadConnection(long dlId, int& position);

    /**

    * Handle the EHttpDlCompleted DM event.

    * download The download with which the event occured.

    */

    void handleDMgrCompletedEventL(RHttpDownload& download, TInt event );

    void handleDMgrEventDlCompletedL(RHttpDownload& download);

    void handleDMgrEventDlFailedL(RHttpDownload& download);

    void handleDMgrEventDlDeletingL(RHttpDownload& download);

    void handleDMgrEventDlPausableL(RHttpDownload& download);

    void handleDMgrEventDlNonPausableL(RHttpDownload& download);

    void handleDMgrEventDlPausedL(RHttpDownload& download);

    void handleDMgrEventProgConnectionNeededL(RHttpDownload& download);

    void handleDMgrEventProgResponseBodyReceivedL(RHttpDownload& download);

    void handleDMgrEventProgResponseHeaderReceivedL(RHttpDownload& download);

    void CreateDownloadArraysLC(RHttpDownload& download, RArray<TUint>*& typeArray, CDesCArrayFlat*& desArray );

private:

    HttpSessionManager* m_sessionManager;

    bool m_dMgrReady;

    int m_launchViewer;

    Vector<HttpDlConnection*> m_pendingHttpDownloadRequests;

    RHttpDownloadMgr m_downloadMgr;

    CDownloadMgrUiLibRegistry* m_dMgrUiReg;

    int m_suppressDloadConfirmation;

	MBrCtlDownloadObserver* m_downloadObserver;

};

#endif // __HTTPDOWNLOAD_H__

// end of file