1 /** @file

     2 * Copyright (c) 2007 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:  Declares the CUpnpServiceContentHandler class

    15 *

    16 */

    17 

    18 

    19 #ifndef __UPNPSERVICECONTENTHANDLER_H__

    20 #define __UPNPSERVICECONTENTHANDLER_H__

    21 

    22 #include "upnpcontenthandler.h"

    23 

    24 /**

    25  *  This class handles xml service descriptions

    26  *  It extends CUpnpContentHandler class, thus it is subsequent implementation of MContentHandler interface

    27  *  It is designed to be used by upnp controler that delegates to it events from xml sax parser

    28  *

    29  *  @since Series60 2.6

    30  */

    31 class CUpnpDevice;

    32 class CUpnpService;

    33 

    34 using namespace Xml;

    35 

    36 NONSHARABLE_CLASS(CUpnpServiceContentHandler) : public CUpnpContentHandler

    37     {

    38 public:

    39 

    40     /**

    41      * Two-phased constructor

    42      * @since Series60 3.2 

    43      * @return instance of CUpnpServiceContentHandler class

    44      */

    45     static CUpnpServiceContentHandler* NewL(

    46             CUpnpContentHandlersController& aController, 

    47             CUpnpDevice* aParentDevice );

    48 

    49     /**

    50      * Two-phased constructor. Leaves the object on CleanupStack

    51      * @since Series60 3.2 

    52      * @return instance of CUpnpServiceContentHandler class

    53      */

    54     static CUpnpServiceContentHandler* NewLC(

    55             CUpnpContentHandlersController& aController, 

    56             CUpnpDevice* aParentDevice );

    57 

    58     /**

    59      * Two-phased constructor

    60      * @since Series60 3.2 

    61      * @return instance of CUpnpServiceContentHandler class

    62      */

    63     static CUpnpServiceContentHandler* NewL(

    64             CUpnpContentHandlersController& aController, 

    65             CUpnpService& aNotOwnedResultService );

    66 

    67     /**

    68      * Two-phased constructor. Leaves the object on CleanupStack

    69      * @since Series60 3.2 

    70      * @return instance of CUpnpServiceContentHandler class

    71      */

    72     static CUpnpServiceContentHandler* NewLC(

    73             CUpnpContentHandlersController& aController, 

    74             CUpnpService& aNotOwnedResultService );

    75 

    76     /**

    77      * Destructor of CUpnpServiceContentHandler class

    78      * @since Series60 3.2     

    79      */

    80     virtual ~CUpnpServiceContentHandler();

    81 

    82     /**

    83      * Returns parsed CUpnpService object, and pass ownership of it to the caller.

    84      * One shouldn't call this method if CUpnpServiceContentHandler dosn't have

    85      * ownership CUpnpService object.

    86      */

    87     CUpnpService* ResultService();

    88 

    89 public: // from MContentHandler

    90 

    91     /**

    92      * This method is a callback to indicate an element has been parsed.

    93      * @param				aElement is a handle to the element's details.

    94      * @param				aAttributes contains the attributes for the element.

    95      */

    96     virtual void OnStartElementL( const RTagInfo& aElement, 

    97         const RAttributeArray& aAttributes );

    98 

    99     /**

   100      This method is a callback to indicate the end of the element has been reached.

   101      @param              aElement is a handle to the element's details.

   102      */

   103     virtual void OnEndElementL( const RTagInfo& aElement );

   104 

   105     /**

   106      This method is a callback that sends the content of the element.

   107      @param              aBytes is the raw content data for the element in one chunk

   108      */

   109     virtual void OnContentL( const TDesC8& aBytes );

   110     

   111 protected:

   112 

   113     /**

   114      * Default C++ constructor 

   115      * @since Series60 3.2     

   116      */

   117     CUpnpServiceContentHandler( CUpnpContentHandlersController& aController, 

   118         CUpnpDevice* aParentDevice );

   119 

   120     /**

   121      * Default C++ constructor 

   122      * @since Series60 3.2     

   123      */

   124     CUpnpServiceContentHandler( CUpnpContentHandlersController& aController, 

   125         CUpnpService& aNotOwnedResultService );

   126 

   127 private:

   128     CUpnpDevice* iParentDevice; //not owned

   129     CUpnpService* iResultService;

   130     TBool iIsServiceOwned;

   131 

   132     };

   133 

   134 #endif //__UPNPSERVICECONTENTHANDLER_H__