--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpavcontroller/upnpavcontrollerserver/inc/upnpdeviceicondownloader.h	Wed Nov 03 11:45:09 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* 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: 
+*
+*/
+
+#ifndef C_UPNPDEVICEICONDOWNLOADER_H
+#define C_UPNPDEVICEICONDOWNLOADER_H
+
+// Include files
+#include <e32base.h>
+#include <f32file.h>
+#include <httptransferobserver.h>
+
+// FORWARD DECLARATIONS
+class CHttpDownloader;
+
+/**
+ * Class for observing device icon download
+ */
+class MUpnpDeviceIconDownloadObserver
+    {
+public:
+    /**
+     * Notifies device icon download completed
+     * 
+     * @param aDeviceUuid the device uuid indicates the device the icon belongs
+     * @param aError system wide error code indicates the download status
+     */
+    virtual void DeviceIconDownloadedL( const TDesC8& aDeviceUuid, TInt aError ) = 0;
+    };
+
+/**
+ * Class for device icon downloading
+ */
+class CUpnpDeviceIconDownloader: public CBase,
+                                 public MHttpTransferObserver
+    {
+
+public:
+
+    /**
+     * Static 1st phase constructor
+     * 
+     * @param aObserver download observer
+     * @param aIap used access point
+     * @return new instance
+     */
+    static CUpnpDeviceIconDownloader* NewL(
+            MUpnpDeviceIconDownloadObserver& aObserver,
+            TUint aIap );
+
+    /**
+     * Destructor
+     */
+    virtual ~CUpnpDeviceIconDownloader();
+    
+private: // From MHttpTransferObserver
+    void TransferProgress( TAny* aKey, TInt aBytes, TInt aTotalBytes );
+    void ReadyForTransferL( TAny* aKey );
+    void TransferCompleted( TAny* aKey, TInt aStatus );
+
+public: // New functions
+    /**
+     * Starts download
+     * 
+     * @param aDeviceUuid uuid of device
+     * @param aDeviceIconUrl url of device icon
+     */
+    void StartDownloadL( const TDesC8& aDeviceUuid, const TDesC8& aDeviceIconUrl );
+
+    /**
+     * Cancels download
+     * 
+     * @param aDeviceUuid uuid of device
+     */
+    void CancelDownload( const TDesC8& aDeviceUuid );
+
+    /**
+     * Transfers icon file to the client
+     * 
+     * @param aMessage message from client
+     * @param aSlot message slot to be used
+     * @param aDeviceUuid the device that's icon is transferred
+     */
+    void TransferFileToClientL( const RMessage2& aMessage, TInt aSlot,
+            const TDesC8& aDeviceUuid );
+
+private:
+    /**
+     * Private class for download queue handling
+     */    
+    class CEntry : public CBase
+        {
+    public:
+        static CEntry* NewLC( const TDesC8& aDeviceUuid, const TDesC8& aDeviceIconUrl );
+        virtual ~CEntry();
+        inline TPtrC8 DeviceUuid() const { return iDeviceUuid->Des(); }
+        inline TPtrC8 DeviceIconUrl() const { return iDeviceIconUrl->Des(); }
+        static TInt Compare( const TDesC8* aDeviceUuid, const CEntry& aEntry );
+    private:
+        inline CEntry() {}
+        void ConstructL( const TDesC8& aDeviceUuid, const TDesC8& aDeviceIconUrl );
+
+    private:
+        HBufC8* iDeviceUuid;
+        HBufC8* iDeviceIconUrl;
+        };
+
+private:
+    CUpnpDeviceIconDownloader( MUpnpDeviceIconDownloadObserver& aObserver,
+            TUint aIap );
+    void ConstructL();
+    void DownloadNext();
+    void DownloadNextL( CEntry& aNext );
+    void CleanupFilesL();
+    TBool FileExistsL( const TDesC8& aDeviceUuid );
+    void CleanupFilesIfNeededL();
+    void CheckDiskSpaceL();
+    TBool InProgress( const TDesC8& aDeviceUuid );
+
+private:
+    MUpnpDeviceIconDownloadObserver& iObserver;
+    TInt iIap;
+    RFs iFs;
+    RPointerArray< CEntry > iQueue;
+    CEntry* iCurrent; // Own, can be NULL
+    CHttpDownloader* iDownloader; // Own
+    TBool iCleanupOnShutdown;
+    };
+
+
+#endif // C_UPNPDEVICEICONDOWNLOADER_H