1 /*

     2 * Copyright (c) 2002-2007 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: Handle to a landmark database.

    15 *

    16 *

    17 */

    18 

    19 

    20 #include <ecom/ecom.h>

    21 #include <uri16.h>

    22 #include "EPos_CPosLandmarkDatabase.h"

    23 #include "EPos_LandmarksUids.hrh"

    24 

    25 

    26 // ================= MEMBER FUNCTIONS =======================

    27 

    28 // -----------------------------------------------------------------------------

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

    30 //

    31 EXPORT_C CPosLandmarkDatabase::CPosLandmarkDatabase()

    32     {

    33     }

    34 

    35 // -----------------------------------------------------------------------------

    36 // -----------------------------------------------------------------------------

    37 //

    38 EXPORT_C CPosLandmarkDatabase* CPosLandmarkDatabase::OpenL()

    39     {

    40     TUid implementationUid;

    41     implementationUid.iUid = KPosLmLocalDatabaseImplUid;

    42 

    43     // Check if any implementation supports this protocol

    44     TUid interfaceUid;

    45     interfaceUid.iUid = KPosLmDatabaseIfUid;

    46 

    47     RImplInfoPtrArray implInfoArray;

    48     REComSession::ListImplementationsL(interfaceUid, implInfoArray);

    49     if (implInfoArray.Count() == 0)

    50         {

    51         User::Leave(KErrNotSupported);

    52         }

    53     else

    54         {

    55         implInfoArray.ResetAndDestroy();

    56         }

    57 

    58     TAny* ptr = REComSession::CreateImplementationL(

    59         implementationUid,

    60         _FOFF(CPosLandmarkDatabase, iDtorIdKey),

    61         NULL);

    62 

    63     return reinterpret_cast<CPosLandmarkDatabase*>(ptr);

    64     }

    65 

    66 // -----------------------------------------------------------------------------

    67 // -----------------------------------------------------------------------------

    68 //

    69 EXPORT_C CPosLandmarkDatabase* CPosLandmarkDatabase::OpenL(

    70     const TDesC&  aDatabaseUri)

    71     {

    72     // Determine which implementation id to use by checking the protocol of

    73     // the URI (e.g. http). If no protocol is specified "file" is used.

    74     _LIT8(KDefaultProtocol, "file");

    75     _LIT(KProtocolDelimiter, "://");

    76 

    77     TInt position = aDatabaseUri.Find(KProtocolDelimiter);

    78 

    79     TEComResolverParams params;

    80     HBufC8* protocol8 = NULL;

    81 

    82     if (position != KErrNotFound && position != 0)

    83         {

    84         protocol8 = HBufC8::NewLC(position + 1);

    85         protocol8->Des().FillZ();

    86         protocol8->Des().Copy(aDatabaseUri.Left(position));

    87         params.SetDataType(*protocol8);

    88         }

    89     else

    90         {

    91         params.SetDataType(KDefaultProtocol);

    92         }

    93 

    94     // Check if any implementation supports this protocol

    95     TUid interfaceUid;

    96     interfaceUid.iUid = KPosLmDatabaseIfUid;

    97 

    98     RImplInfoPtrArray implInfoArray;

    99     REComSession::ListImplementationsL(interfaceUid, params, implInfoArray);

   100     if (implInfoArray.Count() == 0)

   101         {

   102         User::Leave(KErrNotSupported);

   103         }

   104     else

   105         {

   106         implInfoArray.ResetAndDestroy();

   107         }

   108 

   109     // Send the protocol name to the Ecom server

   110     // which determines the implementation.

   111     HBufC* strPtr = aDatabaseUri.AllocLC();

   112 

   113     TAny* ptr = REComSession::CreateImplementationL(

   114         interfaceUid,

   115         _FOFF(CPosLandmarkDatabase, iDtorIdKey),

   116         strPtr,

   117         params);

   118 

   119     CleanupStack::PopAndDestroy(strPtr);

   120 

   121     if (protocol8)

   122         {

   123         CleanupStack::PopAndDestroy(protocol8);

   124         }

   125 

   126     return reinterpret_cast<CPosLandmarkDatabase*>(ptr);

   127     }

   128 

   129 // -----------------------------------------------------------------------------

   130 // -----------------------------------------------------------------------------

   131 //

   132 EXPORT_C CPosLandmarkDatabase::~CPosLandmarkDatabase()

   133     {

   134     // Destroy any instance variables and then inform the framework that this

   135     // specific instance of the interface has been destroyed.

   136     REComSession::DestroyedImplementation(iDtorIdKey);

   137     }

   138 

   139 // -----------------------------------------------------------------------------

   140 // -----------------------------------------------------------------------------

   141 //

   142 TUid CPosLandmarkDatabase::ImplementationId() const

   143     {

   144     return REComSession::GetImplementationUidL (iDtorIdKey);//iDtorIdKey;

   145     //return iDtorIdKey;

   146     }

   147