contacts_plat/virtual_phonebook_engine_api/inc/MVPbkContactFieldBinaryData.h
branchRCL_3
changeset 63 f4a778e096c2
child 64 c1e8ba0c2b16
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62:5b6f26637ad3 63:f4a778e096c2
       
     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:  Virtual Phonebook interface for binary contact field data.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef MVPBKCONTACTFIELDBINARYDATA_H
       
    20 #define MVPBKCONTACTFIELDBINARYDATA_H
       
    21 
       
    22 // INCLUDES
       
    23 #include <MVPbkContactFieldData.h>
       
    24 
       
    25 
       
    26 // CLASS DECLARATIONS
       
    27 
       
    28 /**
       
    29  * Virtual Phonebook binary field data.
       
    30  * This interface is used to manipulate binary contact field data.
       
    31  */
       
    32 class MVPbkContactFieldBinaryData : public MVPbkContactFieldData
       
    33     {
       
    34     public:  // Destructor
       
    35         /**
       
    36          * Destructor.
       
    37          */
       
    38         virtual ~MVPbkContactFieldBinaryData() { }
       
    39 
       
    40 
       
    41     public:  // from MVPbkContactFieldData
       
    42         TVPbkFieldStorageType DataType() const
       
    43             {
       
    44             return EVPbkFieldStorageTypeBinary;
       
    45             }
       
    46 
       
    47     public:  // Interface
       
    48         /**
       
    49          * Casts MVPbkContactFieldData to this interface.
       
    50          *
       
    51          * @precond aFieldData.DataType() == EVPbkFieldStorageTypeBinary
       
    52          *          VPbkError::Panic(VPbkError::EFieldDataTypeMismatch)
       
    53          *          is raised if the precondition does not hold.
       
    54          * @param aFieldData    Data of the field.
       
    55          * @return Casted inteface for the binary field data.
       
    56          */
       
    57         IMPORT_C static MVPbkContactFieldBinaryData& Cast(
       
    58                 MVPbkContactFieldData& aFieldData );
       
    59 
       
    60         /**
       
    61          * Casts const MVPbkContactFieldData to this interface.
       
    62          *
       
    63          * @precond aFieldData.DataType() == EVPbkFieldStorageTypeBinary
       
    64          *          VPbkError::Panic(VPbkError::EFieldDataTypeMismatch)
       
    65          *          is raised if the precondition does not hold.
       
    66          * @param aFieldData    Data of the field.
       
    67          * @return Casted inteface for the binary field data.
       
    68          */
       
    69         IMPORT_C static const MVPbkContactFieldBinaryData& Cast(
       
    70                 const MVPbkContactFieldData& aFieldData );
       
    71 
       
    72         /**
       
    73          * Returns the binary data pointer.
       
    74          * @return Pointer to binary data.
       
    75          */
       
    76         virtual TPtrC8 BinaryData() const =0;
       
    77 
       
    78         /**
       
    79          * Sets the binary data.
       
    80          * @exception KErrOverflow if (aBinaryData.Length() > MaxLength())
       
    81          * @param aBinaryData   Binary data to be set.
       
    82          */
       
    83         virtual void SetBinaryDataL( const TDesC8& aBinaryData ) = 0;
       
    84 
       
    85         /**
       
    86          * Returns maximum length of the field.
       
    87          * @return Maximum length of the field or KVPbkUnlimitedFieldLength 
       
    88          *         if length is only limited by available memory.
       
    89          */
       
    90         virtual TInt MaxLength() const { return KVPbkUnlimitedFieldLength; }        
       
    91 
       
    92         /**
       
    93          * Returns an extension point for this interface or NULL.
       
    94          * @param aExtensionUid Uid of extension.
       
    95          * @return Extension point or NULL.
       
    96          */
       
    97         virtual TAny* ContactFieldBinaryDataExtension( 
       
    98                 TUid /*aExtensionUid*/ ) { return NULL; }
       
    99 
       
   100     };
       
   101 
       
   102 #endif  // MVPBKCONTACTFIELDBINARYDATA_H
       
   103 
       
   104 // End of File