1 /*

     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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Updates applications and icons in Operator Tile.

    15 *

    16 */

    17 

    18 

    19 #ifndef __HSEXCEPTION_H__

    20 #define __HSEXCEPTION_H__

    21 

    22 #include <exception>

    23 

    24 namespace Hs {

    25 

    26 /**

    27  * Class used to encapsulate error information thrown in exceptions by the

    28  * Homescreen Publishing Api.

    29  * @code

    30  * 

    31  * ObserverClass* dataObserver = new ObserverClass();

    32  * try 

    33  * {

    34  *     HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver );

    35  *     if ( hsPublisher )

    36  *     {

    37  *         HsWidget& widget =  hsPublisher->createHsWidget( 

    38  *             "templateName", "widgetName", "uniqueIdentifier" );

    39  *         //attempt to create the widget again (with the same information) 

    40  *         //will cause an exception

    41  *         hsPublisher->createHsWidget( 

    42  *             "templateName", "widgetName", "uniqueIdentifier" );

    43  *     }

    44  * }

    45  * catch (HsException& exception)

    46  * {

    47  *     int errReason = exception.getReason();

    48  *     //if the exception is thrown, becasue the widget attempted to

    49  *     //be created already exists the errReason will be KErrAlreadyExists

    50  * }

    51  * @endcode

    52  */

    53 class HsException : public std::exception

    54     {

    55 public:

    56 	

    57     /**

    58      * Constructor of the HsException.

    59      */

    60 	IMPORT_C HsException( int aLeaveCode );

    61 

    62     /**

    63      * Destructor of the HsException.

    64      */

    65 	IMPORT_C virtual ~HsException();

    66     

    67     /**

    68      * Method retrieves the error information contained in the 

    69      * excpetion object.

    70      *

    71      * @code

    72      * ObserverClass* dataObserver = new ObserverClass();

    73      * try 

    74      * {

    75      *     HsWidgetPublisher* hsPublisher = new HsWidgetPublisher(dataObserver);

    76      *     hsPublisher->createHsWidget( 

    77      *         "templateName", "widgetName", "uniqueIdentifier" );

    78      * }

    79      * catch (HsException& exception)

    80      * {

    81      *      int errReason = exception.getReason();

    82      * }

    83      * @endcode

    84      * @return Error code.

    85      */

    86 	IMPORT_C int getReason();

    87 

    88 private:

    89 

    90 	int mLeaveCode;

    91     

    92     };

    93 }

    94 

    95 #endif /*__HSEXCEPTION_H__*/