1 /*

     2 * Copyright (c) 2005 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:  array for storing dataproviders and datastores.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <s32std.h>

    21 

    22 #include <nsmldebug.h>

    23 #include "nsmldshostconstants.h"

    24 #include "Nsmldsasyncrequesthandler.h"

    25 #include "Nsmldsdataproviderarray.h"

    26 

    27 // ======================================= MEMBER FUNCTIONS =======================================

    28 

    29 // ------------------------------------------------------------------------------------------------

    30 // CNSmlDSAsyncRequestHandler::~CNSmlDSAsyncRequestHandler

    31 // ------------------------------------------------------------------------------------------------    

    32 CNSmlDSAsyncRequestHandler::~CNSmlDSAsyncRequestHandler()

    33 	{

    34 	if ( iDSItem )

    35     	{

    36     	iDSItem->iDSAO = NULL;

    37     	}

    38 	}

    39 	

    40 // ------------------------------------------------------------------------------------------------

    41 // CNSmlDSAsyncRequestHandler::CallDSAsyncL

    42 // ------------------------------------------------------------------------------------------------

    43 CSmlDataStore& CNSmlDSAsyncRequestHandler::CallDSAsyncLC()

    44     {

    45     AddToSchedulerL();

    46     if ( !iDSItem )

    47 	    {

    48 	    User::Leave( KErrUnknown );

    49 	    }

    50     	

    51     if ( !iDSItem->iDataStore )

    52 	    {

    53 	    User::Leave( KErrUnknown );

    54 	    }

    55 	SetRequestStatusOnLeaveLC();

    56 	SetActive();

    57 	    

    58     return *( iDSItem->iDataStore );

    59     }

    60     

    61 // ------------------------------------------------------------------------------------------------

    62 // CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveLC

    63 // ------------------------------------------------------------------------------------------------	

    64 void CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveLC()

    65     {

    66     CleanupStack::PushL(TCleanupItem ( SetRequestStatusOnLeaveCleanup, this ) );

    67     }    

    68     

    69     

    70 // ------------------------------------------------------------------------------------------------

    71 // CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveCleanup

    72 // ------------------------------------------------------------------------------------------------

    73 void CNSmlDSAsyncRequestHandler::SetRequestStatusOnLeaveCleanup( TAny* aP )

    74 	{

    75 	CNSmlDSAsyncRequestHandler* self = reinterpret_cast<CNSmlDSAsyncCallBack*>( aP );

    76     TRequestStatus *status = &self->iStatus;

    77     User::RequestComplete( status, KErrNone );

    78 	}

    79     

    80 // ------------------------------------------------------------------------------------------------

    81 // CNSmlDSAsyncRequestHandler::SetActive

    82 // ------------------------------------------------------------------------------------------------

    83 void CNSmlDSAsyncRequestHandler::SetActive()

    84 	{

    85 	CActive::SetActive();

    86 	}    

    87 	

    88 // ------------------------------------------------------------------------------------------------

    89 // CNSmlDSAsyncRequestHandler::CNSmlDSAsyncRequestHandler

    90 // ------------------------------------------------------------------------------------------------

    91 CNSmlDSAsyncRequestHandler::CNSmlDSAsyncRequestHandler( TInt aPriority, 

    92 		CNSmlDSHostSession* aSession, 

    93         TNSmlDSDataStoreElement* aDSItem, 

    94         const RMessagePtr2& aMessage ) :

    95     CActive( aPriority ), iSession( aSession ), 

    96         iDSItem( aDSItem ), iMessage( aMessage )

    97     {

    98     ASSERT( aSession != NULL );

    99     }

   100 

   101 // ------------------------------------------------------------------------------------------------

   102 // CNSmlDSAsyncRequestHandler::AddToSchedulerL

   103 // ------------------------------------------------------------------------------------------------

   104 void CNSmlDSAsyncRequestHandler::AddToSchedulerL()

   105 	{

   106 	ASSERT( iDSItem != NULL );

   107 	ASSERT( iDSItem->iDataStore != NULL );

   108 	

   109 	if ( iDSItem->iDSAO )

   110         {

   111         //error: asyncronous call already outstanding. Only one allowed at any one time.

   112         User::Leave( ENSmlDSHostServerErrAsynchCallOutstanding );

   113         }

   114 	iDSItem->iDSAO = this;

   115     CActiveScheduler::Add( this );

   116 	}

   117 

   118 // ------------------------------------------------------------------------------------------------

   119 // CNSmlDSAsyncRequestHandler::RunError

   120 // ------------------------------------------------------------------------------------------------

   121 TInt CNSmlDSAsyncRequestHandler::RunError( TInt aError )

   122 	{

   123 	iMessage.Complete( aError );

   124 	delete this;

   125 	return KErrNone;

   126 	}

   127 	

   128 // End of File