1 /*

     2 * Copyright (c) 2003 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 the License "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:  Handler for loading file scheme.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CFileLoader_H

    21 #define CFileLoader_H

    22 

    23 //  INCLUDES

    24 #include "urlloader_urlloaderint.h"

    25 #include "urlloader_murlschemehandler.h"

    26 

    27 // CONSTANTS

    28 

    29 // MACROS

    30 

    31 // DATA TYPES

    32 

    33 // FUNCTION PROTOTYPES

    34 

    35 // FORWARD DECLARATIONS

    36 

    37 // CLASS DECLARATION

    38 

    39 /**

    40 *  File loader implementation class.

    41 *

    42 *  @lib fileloader.lib

    43 *  @since 2.0

    44 */

    45 

    46 class CKFileLoader : public MUrlSchemeHandler

    47 {

    48 public:  // Constructors and destructor

    49 

    50     /**

    51     * Two-phased constructor.

    52     */

    53     static CKFileLoader* NewL();

    54 

    55     /**

    56     * Destructor.

    57     */

    58     virtual ~CKFileLoader();

    59  

    60 public: // Functions from base classes

    61 

    62     /**

    63     * From MUrlSchemeHandler Handles requests for file scheme loading.

    64     * @since 2.0

    65     * @param aUrl The request URL.

    66     * @param aHeader The request headers or NULL if no request specific headers. It is 

    67     * @param aData The body and body length of the request.

    68     * @param aMethod The method to use for the request could be NW_URL_METHOD_GET or NW_URL_METHOD_POST .

    69     * @param aTransId The request's transaction id.

    70     * @param aLoadContext The load context that should be returned with the response.

    71     * @param aLoadCallback The callback to call when the response is ready.

    72     * @param aPartialLoadCallback The callback to call when a chunk is ready.

    73     * @param aCacheMode The cache mode. It is relevant only in case of http or https scheme.

    74     * @param aDefaultHeadersMask A flag indicating what default headers should be used.

    75     * @param aLoadType Used by accept headers

    76     * @param aIsTopLevel Markup page is top, images, css, etc are not top level

    77     * @param aIsScript Is it a WmlScript load event?

    78     * @return ETrue if processed the load request, EFalse otherwise

    79     */

    80     virtual TBool HandleLoadRequestL(const TUint16* aUrl,

    81         void* aHeader,

    82         TPtr8& aData,

    83         TUint8 aMethod,

    84         TUint16 aTransId,

    85         void* aLoadContext,

    86         NW_Url_RespCallback_t* aPartialLoadCallback,

    87         NW_Cache_Mode_t aCacheMode,

    88         TUint aDefaultHeadersMask,

    89         TUint8 aLoadType,

    90         TBool aIsTopLevel,

    91         TBool aIsScript, 

    92         NW_Uint8 aReason,

    93         void* aLoadData);

    94 private:

    95 

    96     /**

    97     * C++ default constructor.

    98     */

    99     CKFileLoader();

   100 

   101     /**

   102     * By default Symbian 2nd phase constructor is private.

   103     */

   104     void ConstructL();

   105 

   106 };

   107 

   108 #endif      // CKFileLoader_H

   109 

   110 // End of File