--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/server/inc/ncddownloadsuboperation.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,206 @@
+/*
+* Copyright (c) 2006 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_NCDDOWNLOADSUBOPERATION_H
+#define C_NCDDOWNLOADSUBOPERATION_H
+
+#include <e32base.h>
+
+#include "ncdbaseoperation.h"
+#include "ncdoperationdatatypes.h"
+#include "ncddownloadoperationstates.h"
+#include "catalogshttptypes.h"
+#include "catalogshttpobserver.h"
+#include "ncdoperationobserver.h"
+
+class RWriteStream;
+class RReadStream;
+
+class MCatalogsHttpSession;
+class MCatalogsHttpConfig;
+class MCatalogsHttpOperation;
+class MCatalogsHttpHeaders;
+class CNcdGeneralManager;
+
+/** 
+ * Download operation
+ *
+ * @ Add username & password -handling
+ * @ Add observers if this is used by other operations
+ */
+class CNcdDownloadSubOperation : public CNcdBaseOperation,
+    public MCatalogsHttpObserver
+    {
+public:
+    
+    /**
+     * NewL
+     *
+     * @param aHttpSession HTTP session used for creating download operations
+     * @param aDestination Destination directory if the descriptor ends in '\'
+     * otherwise full destination path (path + filename)
+     *
+     * @note Preferably the HTTP session has suitable defaults but if not then
+     * Config() can be used to retrieve and change the settings for the download.
+     * @note At least the target directory and access point must be set to the 
+     * configuration.
+     *    
+     */
+    static CNcdDownloadSubOperation* NewL( 
+        CNcdGeneralManager& aGeneralManager,
+        MCatalogsHttpSession& aHttpSession,
+        const TDesC& aUri,
+        const TDesC& aDestination,
+        MNcdOperationObserver& aObserver,
+        MCatalogsSession& aSession );
+
+
+    /**
+     * NewL
+     *
+     * Internalizes a download operation from a stream
+     */
+    static CNcdDownloadSubOperation* NewL( 
+        CNcdGeneralManager& aGeneralManager,
+        MCatalogsHttpSession& aHttpSession,
+        MNcdOperationObserver& aObserver,
+        RReadStream& aStream,
+        MCatalogsSession& aSession );
+        
+    
+    /**
+     * Destructor
+     */
+    virtual ~CNcdDownloadSubOperation();
+    
+public: // New methods
+
+    /** 
+     * HTTP configuration getter. 
+     */
+    MCatalogsHttpConfig& Config();
+    
+    /**
+     * HTTP request headers getter
+     */
+    MCatalogsHttpHeaders& RequestHeaders();
+    
+    const MCatalogsHttpHeaders& ResponseHeadersL();
+    
+    /**
+     * Download operation getter
+     */
+    MCatalogsHttpOperation& HttpOperation();
+    
+    
+public: // From CNcdBaseOperation
+
+    /**
+     * Starts the operation.
+     */
+    TInt Start();
+
+
+    /**
+     *
+     */
+    TInt Pause();
+    
+    
+    TInt Resume();
+    
+    /**
+     * @see CNcdBaseOperation::Cancel()
+     */
+    void Cancel();    
+    
+
+public: // From MCatalogsHttpObserver
+
+    /**
+     * @see MCatalogsHttpObserver::HandleHttpEvent()
+     */
+    void HandleHttpEventL( 
+        MCatalogsHttpOperation& aOperation, 
+        TCatalogsHttpEvent aEvent );
+        
+    /**
+     * @see MCatalogsHttpObserver::HandleHttpError()
+     */
+    TBool HandleHttpError(
+        MCatalogsHttpOperation& aOperation,
+        TCatalogsHttpError aError );
+
+
+public:
+       
+    /**
+     * Externalize
+     *
+     * @param aStream Target stream
+     */ 
+    void ExternalizeL( RWriteStream& aStream ) const;
+    
+    
+    /**
+     * Internalize
+     *
+     * @param aStream Source stream
+     */
+    void InternalizeL( RReadStream& aStream ); 
+
+
+protected: // From CNcdBaseOperation
+
+    /**
+     * @see CNcdBaseOperation::RunOperation()
+     */
+    TInt RunOperation();        
+    
+    
+protected:
+
+    // Constructor
+    CNcdDownloadSubOperation(  
+        CNcdGeneralManager& aGeneralManager,
+        MCatalogsHttpSession& aHttpSession,
+        MCatalogsSession& aSession );
+        
+    void ConstructL( 
+        const TDesC& aUri, 
+        const TDesC& aDestination,
+        MNcdOperationObserver& aObserver );
+
+
+    void ConstructL( 
+        MNcdOperationObserver& aObserver );
+
+private:
+
+    void NotifyObserversComplete( TInt aError );
+    
+    void NotifyObserversProgress();    
+        
+private:
+
+    MCatalogsHttpSession& iHttpSession;
+    MCatalogsHttpOperation* iDownload;
+    TNcdDownloadState iDownloadState;        
+    };
+
+#endif // C_NCDDOWNLOADSUBOPERATION_H