smartinstaller/adm/inc/ADMDownloadHandler.h
branchADM
changeset 48 364021cecc90
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smartinstaller/adm/inc/ADMDownloadHandler.h	Wed Jun 30 11:01:26 2010 +0530
@@ -0,0 +1,113 @@
+/*
+* Copyright (c) 2009-2010 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: 
+*     Declares DownloadHandler class for application.
+*
+*
+*/
+
+
+#ifndef __ADMDOWNLOADHANDLER_H__
+#define __ADMDOWNLOADHANDLER_H__
+
+#include <e32base.h>
+#include <downloadmgrclient.h>
+#include "globals.h"
+#include "networkstatusobserver.h"
+
+// Forward declarations
+class CADMAppUi;
+class CNetworkStatusListener;
+class RFileLogger;
+
+class CDownloadHandler : public CBase,
+	public MHttpDownloadMgrObserver,
+	public MNetworkStatusObserver
+	{
+public:
+	class MDownloadClient
+		{
+	public:
+		virtual void HandleIapChanged( const TUint32 aIAP ) = 0;
+		virtual void HandleHttpFetchCompleted( const TDesC& aDlFilename, const TInt aDownloadType, const TInt32 aBytesDownloaded, const TReal32 aAvgDlSpeed, const TInt64 aDlTime ) = 0;
+		virtual void HandleHttpFetchInProgress( const TInt32 aDownloaded, const TInt32 aTotalDownloadSize, const TReal32 aAvgDlSpeed ) = 0;
+		virtual void HandleHttpFetchFailure( const TDesC& aDlFilename, const TInt aGlobalErrorId, const TInt aErrorId, const TInt aFetchType ) = 0;
+		virtual void HandleDownloadDeleting() = 0;
+		};
+
+#ifdef USE_LOGFILE
+public:
+	static CDownloadHandler* NewL(MDownloadClient* aDlClient, RFileLogger& aLogger, const TBool aMasterInstance);
+	void Log(TRefByValue<const TDesC16> aFmt, ...);
+
+private:
+	CDownloadHandler( MDownloadClient* aDlClient, RFileLogger& aLogger, const TBool aMasterInstance );
+
+private:
+	RFileLogger&        iLog; ///< Not Owned
+
+#else
+public:
+	static CDownloadHandler* NewL(MDownloadClient* aDlClient, const TBool aMasterInstance);
+	static CDownloadHandler* NewLC(MDownloadClient* aDlClient, const TBool aMasterInstance);
+
+private:
+	CDownloadHandler( MDownloadClient* aDlClient, const TBool aMasterInstance );
+#endif
+
+public:
+	~CDownloadHandler();
+
+public:
+	void HandleDMgrEventL( RHttpDownload& aDownload, THttpDownloadEvent aEvent );
+	void StartDownloadL( const TDesC8& aDepUrl, const TDesC& aFileName, const TDesC& aDownloadPath, const TInt aFetchType );
+	void CancelAllDownloads();
+	void SetIAP( TUint32 aIAP );
+
+	inline EDownloadError GetDownloadError() const
+		{
+		return iDownloadError;
+		}
+
+	//From MNetworkStatusObserver
+	void HandleNetworkStatusChangedL( const TInt aStatus );
+
+private:
+	void ConstructL();
+	TBool ProcessDlErrors(const TInt32 aGlErrId, const TInt32 aErrId, EDownloadError& aDownloadError);
+	TInt64 UpdateDownloadSpeed(const TInt32 aBytesDownloaded);
+	void DoHandleHttpFetchFailure(const TDesC& aDlFilename, const TInt aGlobalErrorId, const TInt aErrorId);
+
+private:
+	MDownloadClient*    iDlClient;
+	CNetworkStatusListener* iNetworkStatusListener;
+	TInt                iFetchType;
+	TBool               iMasterInstance;
+	TBool               iNetworkLost; // ETrue, if used network connection is lost during download
+	TBool               iCancelled; // ETrue, if called HandleHttpFailure()
+	HBufC8*             iUrl;
+	TPtrC8              iPtrToUrl; //to avoid a temporary TPtrC8 being passed by IPC
+	HBufC*              iResponseBodyFileName;
+	TPtr                iPtrToResponseBodyFileName;
+	RHttpDownloadMgr    iDownloadManager;
+	TInt32              iIAP;
+	TInt                iConnectionAttempt;
+	EDownloadError      iDownloadError;
+	TInt                iDownloadState;
+	TInt                iProgressState;
+	TTime               iDlStartTime;
+	TReal32             iDlAvgSpeed;
+	};
+
+#endif  //__ADMDOWNLOADHANDLER_H__