1 /*

     2 * Copyright (c) 2006 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:  Icon file provider.

    15  *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include    "ccaiconfileprovider.h"

    21 #include	<aknappui.h>

    22 #include    <akniconutils.h>

    23 

    24 _LIT( KMif, ".mif" );

    25 _LIT( KMbm, ".mbm" );

    26 

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

    28 

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

    30 // CCAIconFileProvider::CCAIconFileProvider

    31 // C++ default constructor can NOT contain any code, that

    32 // might leave.

    33 // -----------------------------------------------------------------------------

    34 //

    35 CCAIconFileProvider::CCAIconFileProvider( RFs& aFs )

    36         :   iFs( aFs )

    37     {

    38     }

    39 

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

    41 // CCAIconFileProvider::ConstructL

    42 // Symbian 2nd phase constructor can leave.

    43 // -----------------------------------------------------------------------------

    44 //

    45 void CCAIconFileProvider::ConstructL( const TDesC& aIconFilename )

    46     {

    47     iFilename = aIconFilename.AllocL();

    48     }

    49 

    50 // -----------------------------------------------------------------------------

    51 // CCAIconFileProvider::NewL

    52 // Two-phased constructor.

    53 // -----------------------------------------------------------------------------

    54 //

    55 CCAIconFileProvider* CCAIconFileProvider::NewL(

    56     RFs& aFs, const TDesC& aIconFilename )

    57     {

    58     CCAIconFileProvider* self = new( ELeave ) CCAIconFileProvider( aFs );

    59 

    60     CleanupStack::PushL( self );

    61     self->ConstructL( aIconFilename );

    62     CleanupStack::Pop( self );

    63     return self;

    64     }

    65 

    66 // Destructor

    67 CCAIconFileProvider::~CCAIconFileProvider()

    68     {

    69     delete iFilename;

    70     }

    71 

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

    73 // CCAIconFileProvider::RetrieveIconFileHandleL

    74 // (other items were commented in a header).

    75 // -----------------------------------------------------------------------------

    76 //

    77 void CCAIconFileProvider::RetrieveIconFileHandleL(

    78     RFile& aFile, const TIconFileType aType )

    79     {

    80     if ( ! iFilename->Length() )

    81         {

    82         User::Leave( KErrNotFound );

    83         }

    84 

    85     // get the wanted extension

    86     TPtrC ext( aType == MAknIconFileProvider::EMbmFile ? KMbm : KMif );

    87     TInt extLen( ext.Length() );

    88 

    89     // and replace it to given filename

    90     HBufC* name = iFilename->AllocLC();

    91     TPtr namePtr( name->Des() );

    92     TInt nameLen( namePtr.Length() );

    93 

    94     if ( nameLen <= extLen )

    95         {

    96         // name was invalid

    97         User::Leave( KErrArgument );

    98         }

    99 

   100     namePtr.Replace( nameLen - extLen, extLen, ext );

   101 

   102     // load file

   103     TInt retCode = aFile.Open( iFs, namePtr, EFileRead | EFileShareReadersOnly );

   104     User::LeaveIfError( retCode );

   105     CleanupStack::PopAndDestroy( name );

   106     }

   107 

   108 // -----------------------------------------------------------------------------

   109 // CCAIconFileProvider::Finished

   110 // (other items were commented in a header).

   111 // -----------------------------------------------------------------------------

   112 //

   113 void CCAIconFileProvider::Finished()

   114     {

   115     // commit suicide because Avkon Icon Server said so

   116     delete this;

   117     }

   118 

   119 //  End of File