serviceproviders/sapi_landmarks/src/clandmarkobserver.cpp
changeset 19 989d2f495d90
child 37 5d0ec8b709be
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14:a36b1e19a461 19:989d2f495d90
       
     1 /*
       
     2 * Copyright (c) 2002 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:  CLandmarkObserver class implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <liwgenericparam.h>
       
    21 #include <liwcommon.h>
       
    22 #include "clandmarkobserver.h"
       
    23 #include "clandmarkiterable.h"
       
    24 #include "clandmarkcategoryiterable.h"
       
    25 #include "landmarkinterface.h"
       
    26 #include "landmarkliwparams.hrh"
       
    27 #include "../../inc/serviceerrno.h"
       
    28 
       
    29 // ============================ MEMBER FUNCTIONS ===============================
       
    30 
       
    31 // -----------------------------------------------------------------------------
       
    32 // CLandmarkObserver::NewL( CLandmarkInterface* aLmIface )
       
    33 // Two-phased constructor.
       
    34 // -----------------------------------------------------------------------------
       
    35 //
       
    36 CLandmarkObserver* CLandmarkObserver::NewL( CLandmarkInterface* aLmIface )
       
    37     {
       
    38     CLandmarkObserver* self = new (ELeave) CLandmarkObserver(aLmIface);
       
    39     return self;
       
    40     }
       
    41 
       
    42 // -----------------------------------------------------------------------------
       
    43 // CLandmarkObserver::CLandmarkObserver( CLandmarkInterface* aLmIface )
       
    44 // C++ default constructor can NOT contain any code, that might leave.
       
    45 // -----------------------------------------------------------------------------
       
    46 //
       
    47 CLandmarkObserver::CLandmarkObserver( CLandmarkInterface* aLmIface )
       
    48 									: iLmIface(aLmIface)
       
    49     {
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CLandmarkObserver::HandleCategoryItems( CPosLmItemIterator* aIterator, 
       
    54 // 		TInt32 aTransactionId, TInt aError, const TDesC aDatabaseUri )
       
    55 // Pack the outputs and call the callback function.
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 void CLandmarkObserver::HandleLandmarkItemsL( CPosLmItemIterator* aIterator, 
       
    59 		TInt32 aTransactionId, TInt aError, const TDesC& aDatabaseUri )
       
    60     {
       
    61     TInt SapiErr = SErrNone;
       
    62     //retrieve callback
       
    63     MLiwNotifyCallback* callback = iLmIface->Callback(aTransactionId);
       
    64     if( !callback )
       
    65     	{
       
    66     	//how to flag error
       
    67     	return;
       
    68     	}
       
    69     //Create param list
       
    70     CLiwGenericParamList* eventParamList = CLiwGenericParamList::NewL();
       
    71     CleanupStack::PushL(eventParamList);
       
    72     CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL();
       
    73     CleanupStack::PushL(inParamList);
       
    74     
       
    75     if ( aError != KErrNone )
       
    76         {
       
    77         SapiErr = iLmIface->SapiError(aError);
       
    78         eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));
       
    79         callback->HandleNotifyL(aTransactionId,KLiwEventError,*eventParamList,*inParamList);
       
    80         }
       
    81     else
       
    82     	{
       
    83     	//instantiate CLandmarkIterable
       
    84         CLiwIterable* iterable = CLandmarkIterable::NewL(aIterator,aDatabaseUri);
       
    85         CleanupClosePushL(*iterable);
       
    86         //pack to aOutParamList
       
    87         eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));
       
    88         eventParamList->AppendL(TLiwGenericParam(KReturnValue,TLiwVariant(iterable)));
       
    89         callback->HandleNotifyL(aTransactionId,KLiwEventCompleted,*eventParamList,*inParamList);
       
    90         CleanupStack::PopAndDestroy(iterable);
       
    91     	}
       
    92     CleanupStack::PopAndDestroy(inParamList);
       
    93     CleanupStack::PopAndDestroy(eventParamList);
       
    94     }
       
    95 
       
    96 // -----------------------------------------------------------------------------
       
    97 // CLandmarkObserver::HandleCategoryItems( CPosLmItemIterator* aIterator, 
       
    98 // 		TInt32 aTransactionId, TInt aError, const TDesC aDatabaseUri  )
       
    99 // Pack the outputs and call the callback function.
       
   100 // -----------------------------------------------------------------------------
       
   101 //
       
   102 void CLandmarkObserver::HandleCategoryItemsL( CPosLmItemIterator* aIterator, 
       
   103 		TInt32 aTransactionId, TInt aError, const TDesC& aDatabaseUri )
       
   104     {
       
   105     TInt SapiErr = SErrNone;
       
   106     //retrieve callback
       
   107     MLiwNotifyCallback* callback = iLmIface->Callback(aTransactionId);
       
   108     if( !callback )
       
   109     	{
       
   110     	//how to flag error
       
   111     	return;
       
   112     	}
       
   113     //Create param list
       
   114     CLiwGenericParamList* eventParamList = CLiwGenericParamList::NewL();
       
   115     CleanupStack::PushL(eventParamList);
       
   116     CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL();
       
   117     CleanupStack::PushL(inParamList);
       
   118     
       
   119     if ( aError != KErrNone )
       
   120         {
       
   121         SapiErr = iLmIface->SapiError(aError);
       
   122         eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));
       
   123         callback->HandleNotifyL(aTransactionId,KLiwEventError,*eventParamList,*inParamList);
       
   124         }
       
   125     else
       
   126     	{
       
   127     	//instantiate CLandmarkIterable
       
   128         CLiwIterable* iterable = CLandmarkCategoryIterable::NewL(aIterator,aDatabaseUri);
       
   129         CleanupClosePushL(*iterable);
       
   130         //pack to aOutParamList
       
   131         eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));
       
   132         eventParamList->AppendL(TLiwGenericParam(KReturnValue,TLiwVariant(iterable)));
       
   133         callback->HandleNotifyL(aTransactionId,KLiwEventCompleted,*eventParamList,*inParamList);
       
   134         CleanupStack::PopAndDestroy(iterable);
       
   135     	}
       
   136     CleanupStack::PopAndDestroy(inParamList);
       
   137     CleanupStack::PopAndDestroy(eventParamList);
       
   138     }
       
   139 
       
   140 //End of file