1 /*

     2 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *     Declares DownloadHandler class for application.

    16 *

    17 *

    18 */

    19 

    20 

    21 #ifndef __ADMDOWNLOADHANDLER_H__

    22 #define __ADMDOWNLOADHANDLER_H__

    23 

    24 #include <e32base.h>

    25 #include <downloadmgrclient.h>

    26 #include "globals.h"

    27 #include "networkstatusobserver.h"

    28 

    29 // Forward declarations

    30 class CADMAppUi;

    31 class CNetworkStatusListener;

    32 class RFileLogger;

    33 

    34 class CDownloadHandler : public CBase,

    35 	public MHttpDownloadMgrObserver,

    36 	public MNetworkStatusObserver

    37 	{

    38 public:

    39 	class MDownloadClient

    40 		{

    41 	public:

    42 		virtual void HandleIapChanged( const TUint32 aIAP ) = 0;

    43 		virtual void HandleHttpFetchCompleted( const TDesC& aDlFilename, const TInt aDownloadType, const TInt32 aBytesDownloaded, const TReal32 aAvgDlSpeed, const TInt64 aDlTime ) = 0;

    44 		virtual void HandleHttpFetchInProgress( const TInt32 aDownloaded, const TInt32 aTotalDownloadSize, const TReal32 aAvgDlSpeed ) = 0;

    45 		virtual void HandleHttpFetchFailure( const TDesC& aDlFilename, const TInt aGlobalErrorId, const TInt aErrorId, const TInt aFetchType ) = 0;

    46 		virtual void HandleDownloadDeleting() = 0;

    47 		};

    48 

    49 #ifdef USE_LOGFILE

    50 public:

    51 	static CDownloadHandler* NewL(MDownloadClient* aDlClient, RFileLogger& aLogger, const TBool aMasterInstance);

    52 	void Log(TRefByValue<const TDesC16> aFmt, ...);

    53 

    54 private:

    55 	CDownloadHandler( MDownloadClient* aDlClient, RFileLogger& aLogger, const TBool aMasterInstance );

    56 

    57 private:

    58 	RFileLogger&        iLog; ///< Not Owned

    59 

    60 #else

    61 public:

    62 	static CDownloadHandler* NewL(MDownloadClient* aDlClient, const TBool aMasterInstance);

    63 	static CDownloadHandler* NewLC(MDownloadClient* aDlClient, const TBool aMasterInstance);

    64 

    65 private:

    66 	CDownloadHandler( MDownloadClient* aDlClient, const TBool aMasterInstance );

    67 #endif

    68 

    69 public:

    70 	~CDownloadHandler();

    71 

    72 public:

    73 	void HandleDMgrEventL( RHttpDownload& aDownload, THttpDownloadEvent aEvent );

    74 	void StartDownloadL( const TDesC8& aDepUrl, const TDesC& aFileName, const TDesC& aDownloadPath, const TInt aFetchType );

    75 	void CancelAllDownloads();

    76 	void SetIAP( TUint32 aIAP );

    77 

    78 	inline EDownloadError GetDownloadError() const

    79 		{

    80 		return iDownloadError;

    81 		}

    82 

    83 	//From MNetworkStatusObserver

    84 	void HandleNetworkStatusChangedL( const TInt aStatus );

    85 

    86 private:

    87 	void ConstructL();

    88 	TBool ProcessDlErrors(const TInt32 aGlErrId, const TInt32 aErrId, EDownloadError& aDownloadError);

    89 	TInt64 UpdateDownloadSpeed(const TInt32 aBytesDownloaded);

    90 	void DoHandleHttpFetchFailure(const TDesC& aDlFilename, const TInt aGlobalErrorId, const TInt aErrorId);

    91 

    92 private:

    93 	MDownloadClient*    iDlClient;

    94 	CNetworkStatusListener* iNetworkStatusListener;

    95 	TInt                iFetchType;

    96 	TBool               iMasterInstance;

    97 	TBool               iNetworkLost; // ETrue, if used network connection is lost during download

    98 	TBool               iCancelled; // ETrue, if called HandleHttpFailure()

    99 	HBufC8*             iUrl;

   100 	TPtrC8              iPtrToUrl; //to avoid a temporary TPtrC8 being passed by IPC

   101 	HBufC*              iResponseBodyFileName;

   102 	TPtr                iPtrToResponseBodyFileName;

   103 	RHttpDownloadMgr    iDownloadManager;

   104 	TInt32              iIAP;

   105 	TInt                iConnectionAttempt;

   106 	EDownloadError      iDownloadError;

   107 	TInt                iDownloadState;

   108 	TInt                iProgressState;

   109 	TTime               iDlStartTime;

   110 	TReal32             iDlAvgSpeed;

   111 	};

   112 

   113 #endif  //__ADMDOWNLOADHANDLER_H__