1 /*

     2 * Copyright (c) 2003-2005 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: 

    15 *

    16 */

    17 

    18 

    19 #ifndef _SDK_CARDREADER_H_

    20 #define _SDK_CARDREADER_H_

    21 

    22 #include <emulator.h>

    23 #include <winscard.h>

    24 #include <ScardReader.h>

    25 

    26 /**

    27  * Smart card reader. 

    28  */

    29 class SdkScardLauncher;

    30 class CSdkCardReader : public CActive, public MScardReader

    31 {

    32 private:

    33     SdkScardLauncher* iLauncher;

    34     SCARD_READERSTATE iReaderState;

    35     SCARDHANDLE iCardHandle;

    36     TRequestStatus iEventThreadStatus;

    37     RSemaphore iRequest;

    38     RThread iEventThread;

    39     RThread iRequestThread;

    40     TPtrC iName;

    41     TReaderID iId;

    42     TInt iRefCount;

    43     TBool iFlags; // See below:

    44     enum TFlags {

    45         EFlagHaveSemaphore  = 0x0001,

    46         EFlagRequestThread  = 0x0002,

    47         EFlagEventThread    = 0x0004,

    48         EFlagCardIn         = 0x0008,

    49         EFlagOpen           = 0x0010,

    50         EFlagHasId          = 0x0020,

    51         EFlagDead           = 0x0040

    52     };

    53 

    54 public: 

    55     static CSdkCardReader* NewL(SdkScardLauncher* aLauncher,

    56                                 const TText* aName);

    57     virtual ~CSdkCardReader();

    58 

    59     inline TBool HasId() const;

    60     inline void SetId(TReaderID aId);

    61     inline TReaderID Id() const;

    62     inline TBool MatchId(TReaderID aId) const;

    63     inline const TDesC& Name() const;

    64     inline void AddRef();

    65     TInt ReleaseRef();

    66 

    67     // CActive

    68     virtual void DoCancel();

    69     virtual void RunL();

    70 

    71     // MScardReader

    72     virtual void Open(TRequestStatus& aStatus); 

    73     virtual TInt Close();

    74     virtual void CancelTransmit();

    75     virtual TInt GetATR(TScardATR& anATR);

    76     virtual TBool GetCapabilities(TRequestStatus& aStatus, 

    77                                   const TInt32 aTag,

    78                                   TPtr8& aValue,

    79                                   const TInt32 aTimeout);

    80     virtual void TransmitToCard(TRequestStatus& aStatus, 

    81                                 const TPtrC8& aCommand, 

    82                                 TPtr8& aResponse,

    83                                 const TInt32 aTimeout);

    84 

    85 private:

    86     CSdkCardReader(SdkScardLauncher* aLauncher, const TText* aName);

    87     void ConstructL();

    88     void EventThread();

    89     static TInt EventThread(TAny* aParam);

    90     void Notify(TScardServiceStatus aEvent);

    91     void SubmitEventRequest();

    92 };

    93 

    94 inline TBool CSdkCardReader::HasId() const

    95     { return ((iFlags & EFlagHasId) != 0); }

    96 inline void CSdkCardReader::SetId(TReaderID aId)

    97     { iId = aId; iFlags |= EFlagHasId; }

    98 inline TReaderID CSdkCardReader::Id() const

    99     { ASSERT(HasId()); return iId; }

   100 inline TBool CSdkCardReader::MatchId(TReaderID aId) const

   101     { return (iFlags & EFlagHasId) && (iId == aId); }

   102 inline const TDesC& CSdkCardReader::Name() const

   103     { return iName; }

   104 inline void CSdkCardReader::AddRef()

   105     { iRefCount++; }

   106     

   107 #endif // _SDK_CARDREADER_H_