loggingservices/eventlogger/logcntmodel/inc/logcntmodel.h
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     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #ifndef __LOGCNTMODEL_H__
       
    17 #define __LOGCNTMODEL_H__
       
    18 
       
    19 #include <ecom/ecom.h>
       
    20 #include "logcntdef.h"
       
    21 #include <logwrap.h>
       
    22 
       
    23 /** Provides an interface to decouple the internal static dependency of LogEng on 
       
    24 Contacts.
       
    25  
       
    26 Rather than statically linking against a specific contacts implementation dll
       
    27 the log engine dynamically loads a plugin implementation of this class, to remove any need for 
       
    28 a direct dependency on a specific Contacts implementation.
       
    29 
       
    30 The interface is provided to allow logeng to retrieve a string which contains contacts information 
       
    31 for a given phone number.
       
    32  
       
    33 @internalAll */
       
    34 class MLogCntModel
       
    35 	{
       
    36 public:
       
    37 	/** Opens the contacts DB.	
       
    38 	@capability ReadUserData WriteUserData */
       
    39 	virtual void OpenContactsL()=0;
       
    40 	
       
    41 	/** Closes the contacts DB. 
       
    42 	@capability None */
       
    43 	virtual	void CloseContacts()=0;
       
    44 	
       
    45 	/** Attempts to find a contact item ID for the contact items which contains
       
    46 	the specified telephone number in a telephone, fax or SMS type field.
       
    47 	If more than one contact item contains the telephone number this should be 
       
    48 	treated the same as no contact found.
       
    49 	
       
    50 	@capability ReadUserData
       
    51 	@param aNumber Phone number string
       
    52 	@param aMatchLengthFromRight Number of digits from the right of the phone number to use
       
    53 	@return DB Id of the DB entry corresponding to the phone number, KLogNullContactId if none or more than one found */
       
    54 	virtual TLogContactItemId MatchPhoneNumberL(const TDesC& aNumber, TInt aMatchLengthFromRight)=0;
       
    55 	
       
    56 	/** Gets the text data for the family and given name fields of a given contact Id.
       
    57 	
       
    58 	@capability ReadUserData
       
    59 	@param aContactId Contact Id to find data for
       
    60 	@param aName On return contains a string holding the family and given name in the desired format if found, a 0 length string otherwise. 
       
    61 	The buffer for aName is supplied by the client and should be of a length sufficent to hold a standard contact string.
       
    62 	@param aNameFormat Desired format of returned string - Chinese or Western format */
       
    63 	virtual void ReadContactNameL(TLogContactItemId aContactId, TDes& aName, TLogContactNameFormat aNameFormat)=0;	
       
    64 	};
       
    65 
       
    66 /** Interface UID to be used by all contacts model plugin's for log engine
       
    67 @internalAll */
       
    68 const TUid  KUidEComLogCntInterface = {0x20008029};
       
    69 
       
    70 /** Provides an interface for ECom plugins
       
    71 @internalAll */
       
    72 class CLogCntModel: public CBase, public MLogCntModel
       
    73 	{
       
    74 public:
       
    75 	IMPORT_C static CLogCntModel* NewL();
       
    76 	IMPORT_C virtual ~CLogCntModel();
       
    77 private:
       
    78 	TUid iDtor_ID_Key;
       
    79 	};
       
    80 	
       
    81 #endif		// __LOGCNTMODEL_H__
       
    82