phoneengine/PhoneCntFinder/ContactService/src/cphcntcontactmatchstrategy.cpp
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     1 /*
       
     2 * Copyright (c) 2006-2007 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:  Contact matching strategy
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <CVPbkContactManager.h>
       
    20 #include <centralrepository.h>
       
    21 #include <telconfigcrkeys.h>
       
    22 #include <CVPbkContactStoreUriArray.h>
       
    23 
       
    24 #include "cphcntcontactmatchstrategy.h"
       
    25 #include "cphcntcontactstoreuris.h"
       
    26 #include "CPhoneRawMatchNumberExtractor.h"
       
    27 
       
    28 // Digit count used to match CS number.
       
    29 const TInt KPhCntMatchMin = 7;
       
    30 const TInt KPhCntMatchMax = 11;
       
    31 const TInt KPhCntMatchDefault = KPhCntMatchMin;
       
    32 
       
    33 // ======== MEMBER FUNCTIONS ========
       
    34 
       
    35 
       
    36 CPhCntContactMatchStrategy::CPhCntContactMatchStrategy(
       
    37     CVPbkContactManager& aContactManager,
       
    38     CPhCntContactStoreUris& aContactStoreUris,
       
    39     MVPbkContactFindObserver& aObserver,
       
    40     CVPbkPhoneNumberMatchStrategy::TVPbkPhoneNumberMatchFlags aMatchFlag ) :
       
    41     iContactManager( aContactManager ),
       
    42     iContactStoreUris( aContactStoreUris ),
       
    43     iObserver( aObserver ),
       
    44     iMatchFlag( aMatchFlag )
       
    45     {
       
    46     iContactStoreUris.SetObserver( *this );
       
    47     }
       
    48 
       
    49 
       
    50 // ---------------------------------------------------------------------------
       
    51 // Second phase constructor
       
    52 // ---------------------------------------------------------------------------
       
    53 //
       
    54 void CPhCntContactMatchStrategy::ConstructL()
       
    55     {
       
    56     iCenRepSession = CRepository::NewL( KCRUidTelConfiguration );
       
    57     iCenRepNotifyHandler = 
       
    58         CCenRepNotifyHandler::NewL(
       
    59             *this, 
       
    60             *iCenRepSession, 
       
    61             CCenRepNotifyHandler::EIntKey,
       
    62             KTelMatchDigits );
       
    63             
       
    64     iCenRepNotifyHandler->StartListeningL();
       
    65     
       
    66     iNumberOfDigits = KPhCntMatchDefault;
       
    67     TInt sdMatchValue = KErrNotFound;
       
    68 
       
    69     // Find digit count to be used with matching.
       
    70     if ( iCenRepSession->Get( KTelMatchDigits, sdMatchValue )
       
    71          == KErrNone )
       
    72         {
       
    73         // If we can find a proper value from the cenrep, use it.
       
    74         if ( sdMatchValue >= KPhCntMatchMin && sdMatchValue <= KPhCntMatchMax )
       
    75             {
       
    76             iNumberOfDigits = sdMatchValue;
       
    77             }
       
    78         }
       
    79     User::LeaveIfError( CreateContactMatchStrategy() );
       
    80     
       
    81     iNumberExtractor = new( ELeave )CCntRawPhoneNumberExtractor();
       
    82     iNumberExtractor->ConstructL();
       
    83     }
       
    84 
       
    85 
       
    86 // ---------------------------------------------------------------------------
       
    87 // Static constructor.
       
    88 // ---------------------------------------------------------------------------
       
    89 //
       
    90 CPhCntContactMatchStrategy* CPhCntContactMatchStrategy::NewL(
       
    91     CVPbkContactManager& aContactManager,
       
    92     CPhCntContactStoreUris& aContactStoreUris,
       
    93     MVPbkContactFindObserver& aObserver,
       
    94     CVPbkPhoneNumberMatchStrategy::TVPbkPhoneNumberMatchFlags aMatchFlag )
       
    95     {
       
    96     CPhCntContactMatchStrategy* self = 
       
    97         new( ELeave ) CPhCntContactMatchStrategy( 
       
    98             aContactManager,
       
    99             aContactStoreUris, 
       
   100             aObserver,
       
   101             aMatchFlag );
       
   102     CleanupStack::PushL( self );
       
   103     self->ConstructL();
       
   104     CleanupStack::Pop( self );
       
   105     return self;
       
   106     }
       
   107 
       
   108 // ---------------------------------------------------------------------------
       
   109 // Destructor.
       
   110 // ---------------------------------------------------------------------------
       
   111 //
       
   112 CPhCntContactMatchStrategy::~CPhCntContactMatchStrategy()
       
   113     {
       
   114     if( iNumberExtractor )
       
   115         {
       
   116         iNumberExtractor->Release();    
       
   117         }
       
   118     
       
   119     if( iCenRepNotifyHandler )
       
   120         {
       
   121         iCenRepNotifyHandler->StopListening();    
       
   122         }
       
   123     delete iCenRepNotifyHandler;
       
   124     delete iCenRepSession;
       
   125     delete iMatchStrategy;
       
   126     delete iUriArray;
       
   127     }
       
   128 
       
   129 // ---------------------------------------------------------------------------
       
   130 // From MPhCntContactMatchStrategy
       
   131 // Starts to find contacts which has aPhoneNumber.
       
   132 // ---------------------------------------------------------------------------
       
   133 //
       
   134 void CPhCntContactMatchStrategy::FindMatchesL( const TDesC& aPhoneNumber )
       
   135     {
       
   136     if( iMatchStrategy )
       
   137         {
       
   138         MatchL( aPhoneNumber );
       
   139         }
       
   140     else
       
   141         {
       
   142         const TInt err( CreateContactMatchStrategy() );
       
   143         if( !err )
       
   144             {
       
   145             MatchL( aPhoneNumber );
       
   146             }
       
   147         else
       
   148             {
       
   149             User::Leave( KErrNotFound );            
       
   150             }
       
   151         }
       
   152     }
       
   153 
       
   154 // ---------------------------------------------------------------------------
       
   155 // Creates contact match strategy and destroys the old one.
       
   156 // ---------------------------------------------------------------------------
       
   157 //    
       
   158 TInt CPhCntContactMatchStrategy::CreateContactMatchStrategy()
       
   159     {
       
   160     TInt err = KErrNone;
       
   161     if( !iUriArray )
       
   162         {
       
   163         TRAP( err, iUriArray = iContactStoreUris.ActiveContactStoresL() );
       
   164         }
       
   165     
       
   166     if( iUriArray )
       
   167         {
       
   168         delete iMatchStrategy;
       
   169         iMatchStrategy = NULL;
       
   170         err = DoCreateMatchStrategy();
       
   171          
       
   172         }
       
   173     else
       
   174         {
       
   175         err = KErrGeneral;
       
   176         }
       
   177     
       
   178     return err;                
       
   179     }
       
   180 
       
   181 // ---------------------------------------------------------------------------
       
   182 // From base class MCenRepNotifyHandlerCallback
       
   183 // Notification from CenRep
       
   184 // ---------------------------------------------------------------------------
       
   185 //  
       
   186 void CPhCntContactMatchStrategy::HandleNotifyString( 
       
   187     TUint32 aUid, 
       
   188     const TDesC16& aValue )
       
   189     {
       
   190     if ( aUid == KTelMatchDigits )
       
   191         {
       
   192         TLex lexer( aValue );
       
   193         TInt value;
       
   194         const TInt err( lexer.Val( value ) );
       
   195         
       
   196         if( !err ) 
       
   197             {
       
   198             if ( value < KPhCntMatchMin || value > KPhCntMatchMax )
       
   199                 {
       
   200                 iNumberOfDigits = KPhCntMatchDefault;
       
   201                 }
       
   202             else
       
   203                 {
       
   204                 iNumberOfDigits = value;
       
   205                 }
       
   206             CreateContactMatchStrategy();
       
   207             }
       
   208      
       
   209         }
       
   210     }
       
   211 
       
   212 // ---------------------------------------------------------------------------
       
   213 // From base class MPhCntContactStoreEventObserver
       
   214 // Updates match strategy.
       
   215 // ---------------------------------------------------------------------------
       
   216 //
       
   217 void CPhCntContactMatchStrategy::ContactStoreAvailabilityChanged()
       
   218     {
       
   219     delete iUriArray;
       
   220     iUriArray = NULL;
       
   221     CreateContactMatchStrategy();
       
   222     }
       
   223 
       
   224 // ---------------------------------------------------------------------------
       
   225 // Removes extra characters from number and matches with raw number.
       
   226 // ---------------------------------------------------------------------------
       
   227 //         
       
   228 void CPhCntContactMatchStrategy::MatchL( 
       
   229     const TDesC& aPhoneNumber )
       
   230     {
       
   231     HBufC* rawNumber = HBufC::NewLC( aPhoneNumber.Length() );
       
   232     TPtr rawNumberPtr = rawNumber->Des();
       
   233     iNumberExtractor->ExtractRawNumber( aPhoneNumber, rawNumberPtr );
       
   234     DoMatchL( *rawNumber );
       
   235     CleanupStack::PopAndDestroy( rawNumber );
       
   236     }
       
   237 
       
   238 // ---------------------------------------------------------------------------
       
   239 // Creates contact match strategy
       
   240 // ---------------------------------------------------------------------------
       
   241 //     
       
   242 TInt CPhCntContactMatchStrategy::DoCreateMatchStrategy()
       
   243     {
       
   244     CVPbkPhoneNumberMatchStrategy::TConfig config( 
       
   245             iNumberOfDigits,
       
   246             *iUriArray,
       
   247             CVPbkPhoneNumberMatchStrategy::EVPbkSequentialMatch, 
       
   248             iMatchFlag
       
   249             );
       
   250     TRAPD( err, iMatchStrategy = CVPbkPhoneNumberMatchStrategy::NewL( 
       
   251                     config, 
       
   252                     iContactManager, 
       
   253                     iObserver ) );       
       
   254     return err;
       
   255     }
       
   256 
       
   257 // ---------------------------------------------------------------------------
       
   258 // Makes the actual matching request.
       
   259 // ---------------------------------------------------------------------------
       
   260 //     
       
   261 void CPhCntContactMatchStrategy::DoMatchL( 
       
   262     const TDesC& aNumber )
       
   263     {
       
   264     iMatchStrategy->MatchL( aNumber );
       
   265     }