phonebookui/Phonebook2/inc/CPbk2DuplicateContactFinder.h
branchRCL_3
changeset 20 f4a778e096c2
parent 0 e686773b3f54
equal deleted inserted replaced
19:5b6f26637ad3 20:f4a778e096c2
       
     1 /*
       
     2 * Copyright (c) 2005-2007 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:  Utility class for finding duplicate contacts
       
    15 *                from the stores.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #ifndef CPBK2DUPLICATECONTACTFINDER_H
       
    21 #define CPBK2DUPLICATECONTACTFINDER_H
       
    22 
       
    23 #include <e32base.h>
       
    24 #include <MVPbkContactFindObserver.h>
       
    25 #include <MVPbkSingleContactOperationObserver.h>
       
    26 
       
    27 class CVPbkContactManager;
       
    28 class MVPbkContactStore;
       
    29 class MVPbkBaseContact;
       
    30 class MVPbkContactLinkArray;
       
    31 class MVPbkContactOperationBase;
       
    32 class MVPbkFieldTypeList;
       
    33 class MPbk2ContactNameFormatter;
       
    34 class MPbk2DuplicateContactObserver;
       
    35 class MVPbkBaseContactField;
       
    36 
       
    37 /**
       
    38  * Utility class for finding duplicate contacts from the stores.
       
    39  * Finds duplicates from stores by using the name formatter.
       
    40  */
       
    41 class CPbk2DuplicateContactFinder : public CActive,
       
    42                                     private MVPbkContactFindObserver,
       
    43                                     private MVPbkSingleContactOperationObserver
       
    44     {
       
    45     public: // Construction and destruction
       
    46 
       
    47         /**
       
    48          * Constructs a duplicate finder that finds duplicate contacts
       
    49          * from all the stores.
       
    50          *
       
    51          * @param aContactManager       Virtual Phonebook contact manager
       
    52          *                              that owns the field types and can
       
    53          *                              be used for finding the stores.
       
    54          * @param aNameFormatter        Name formatter for recognizing
       
    55          *                              duplicate contacts.
       
    56          * @param aFieldTypesForFind    These are the field types that are
       
    57          *                              usedfor the find. Most probably the
       
    58          *                              same field types as are in the sort
       
    59          *                              order. These define also the order
       
    60          *                              for getting the find text.
       
    61          *                              E.g if last name is the first in
       
    62          *                              the list and first name is the second
       
    63          *                              one then the last name is taken from
       
    64          *                              the given contact and that text is
       
    65          *                              used for the find. If there was no
       
    66          *                              last name in the contact then the
       
    67          *                              first name text is taken.
       
    68          * @param aDuplicateContacts    The result array for
       
    69          *                              duplicate contacts.
       
    70          * @return  A new instance of this class.
       
    71          */
       
    72         IMPORT_C static CPbk2DuplicateContactFinder* NewL(
       
    73                 CVPbkContactManager& aContactManager,
       
    74                 MPbk2ContactNameFormatter& aNameFormatter,
       
    75                 const MVPbkFieldTypeList& aFieldTypesForFind,
       
    76                 RPointerArray<MVPbkStoreContact>& aDuplicateContacts );
       
    77 
       
    78         /**
       
    79          * Destructor.
       
    80          */
       
    81         virtual ~CPbk2DuplicateContactFinder();
       
    82 
       
    83     public: // Interface
       
    84 
       
    85         /**
       
    86          * Starts asynchronous duplicate find from the given store.
       
    87          *
       
    88          * @param aContact              The source contact whose duplicates
       
    89          *                              are searched for.
       
    90          * @param aStore                A store for creating find operation.
       
    91          * @param aObserver             An observer to notify after the
       
    92          *                              checking has been done.
       
    93          * @param aMaxDuplicatesToFind  Finder stops if the it finds more
       
    94          *                              than max amount of duplicates.
       
    95          */
       
    96         IMPORT_C void StartL(
       
    97                 const MVPbkBaseContact& aContact,
       
    98                 MVPbkContactStore& aStore,
       
    99                 MPbk2DuplicateContactObserver& aObserver,
       
   100                 TInt aMaxDuplicatesToFind );
       
   101         /**
       
   102          * Starts asynchronous duplicate find from all the stores.
       
   103          *
       
   104          * @param aContact              The source contact whose duplicates
       
   105          *                              are searched for.
       
   106          * @param aObserver             An observer to notify after the
       
   107          *                              checking has been done.
       
   108          * @param aMaxDuplicatesToFind  Finder stops if the it finds more
       
   109          *                              than max amount of duplicates.
       
   110          */
       
   111         IMPORT_C void StartL(
       
   112                 const MVPbkBaseContact& aContact,
       
   113                 MPbk2DuplicateContactObserver& aObserver,
       
   114                 TInt aMaxDuplicatesToFind );
       
   115 
       
   116     private: // From CActive
       
   117         void RunL();
       
   118         void DoCancel();
       
   119         TInt RunError(
       
   120                 TInt aError );
       
   121 
       
   122     private: // From MVPbkContactFindObserver
       
   123         void FindCompleteL(
       
   124                 MVPbkContactLinkArray* aResults );
       
   125         void FindFailed(
       
   126                 TInt aError );
       
   127 
       
   128     private: // From MVPbkSingleContactOperationObserver
       
   129         void VPbkSingleContactOperationComplete(
       
   130                 MVPbkContactOperationBase& aOperation,
       
   131                 MVPbkStoreContact* aContact );
       
   132         void VPbkSingleContactOperationFailed(
       
   133                 MVPbkContactOperationBase& aOperation,
       
   134                 TInt aError );
       
   135 
       
   136     private: // Implementation
       
   137         CPbk2DuplicateContactFinder(
       
   138                 CVPbkContactManager& aContactManager,
       
   139                 MPbk2ContactNameFormatter& aNameFormatter,
       
   140                 const MVPbkFieldTypeList& aFieldTypesForFind,
       
   141                 RPointerArray<MVPbkStoreContact>& aDuplicateContacts );
       
   142         void ConstructL();
       
   143         void IssueRequest();
       
   144         TPtrC FindText();
       
   145         MVPbkContactOperationBase* FindOperationL(
       
   146                 const TDesC& aFindText );
       
   147         void StartFindL();
       
   148         void RetrieveContactL();
       
   149         void CompleteL();
       
   150         TBool LastContactRetrieved();
       
   151         void DestroyOperation();
       
   152         void CheckDuplicateL(
       
   153                 MVPbkStoreContact* aContact );
       
   154         TBool IsFieldMatched( const MVPbkBaseContact* aContact, TInt aFieldId );
       
   155         const MVPbkBaseContactField* FindFieldById( const MVPbkBaseContact* aContact, 
       
   156                 TInt aFieldId );
       
   157 
       
   158     private: // Data
       
   159         /// Ref: Virtual Phonebook contact manager
       
   160         CVPbkContactManager& iContactManager;
       
   161         /// ReF: Name formatter
       
   162         MPbk2ContactNameFormatter& iNameFormatter;
       
   163         /// Ref: These are the field types that are used for find
       
   164         const MVPbkFieldTypeList& iFieldTypesForFind;
       
   165         /// Own: A pointer to find text
       
   166         TPtrC iFindText;
       
   167         /// Ref: A store for single store check
       
   168         MVPbkContactStore* iStore;
       
   169         /// Ref: Observer
       
   170         MPbk2DuplicateContactObserver* iObserver;
       
   171         /// Ref:: A contact whose duplicates are searched for
       
   172         const MVPbkBaseContact* iContactToCompare;
       
   173         /// Own: a title of iContactToCompare
       
   174         HBufC* iContactTitle;
       
   175         /// Own: Find operation
       
   176         MVPbkContactOperationBase* iContactOperation;
       
   177         /// Own: Results of the find
       
   178         MVPbkContactLinkArray* iFindResults;
       
   179         /// Ref: Duplicate contacts
       
   180         RPointerArray<MVPbkStoreContact>& iDuplicates;
       
   181         /// An index in iFindResults for retrieving.
       
   182         TInt iContactIndex;
       
   183         /// Internal state of the finder
       
   184         TInt iState;
       
   185         /// The maximum amount of duplicates to find
       
   186         TInt iMaxDuplicatesToFind;
       
   187     };
       
   188 
       
   189 #endif // CPBK2DUPLICATECONTACTFINDER_H
       
   190 
       
   191 // End of File