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    40 ****************************************************************************/

    41 //system includes

    42 #include <e32base.h>

    43 #include <s32mem.h>

    44 

    45 //user includes

    46 #include "cntsymbiandatabase.h"

    47 #include "cntsymbiantransformerror.h"

    48 #include "qcontactchangeset.h"

    49 #include "qcontactmanagerengine.h"

    50 

    51 // Constant

    52 typedef QPair<QContactLocalId, QContactLocalId> QOwnCardPair;

    53 

    54 CntSymbianDatabase::CntSymbianDatabase(QContactManagerEngine *engine, QContactManager::Error& error) :

    55     m_contactDatabase(0),

    56     m_currentOwnCardId(0)

    57 {

    58     TRAPD(err, m_contactDatabase = CContactDatabase::OpenL())

    59 

    60     //Database not found, create it

    61     if(err == KErrNotFound)

    62     {

    63         TRAP(err, m_contactDatabase = CContactDatabase::CreateL())

    64     }

    65 

    66     //Database opened successfully

    67     if (err == KErrNone)

    68     {

    69     // In pre 10.1 platforms the AddObserverL & RemoveObserver functions are not

    70     // exported so we need to use CContactChangeNotifier.

    71 #ifndef SYMBIAN_BACKEND_USE_SQLITE

    72         TRAP(err, m_contactChangeNotifier = CContactChangeNotifier::NewL(*m_contactDatabase, this));

    73 #else

    74         TRAP(err, m_contactDatabase->AddObserverL(*this));

    75 #endif

    76         if (err == KErrNone)

    77             m_engine = engine;

    78 

    79         // Read current own card id (self contact id)

    80         TContactItemId myCard = m_contactDatabase->OwnCardId();

    81         if (myCard > 0)

    82             m_currentOwnCardId = QContactLocalId(myCard);

    83     }

    84     CntSymbianTransformError::transformError(err, error);

    85 }

    86 

    87 CntSymbianDatabase::~CntSymbianDatabase()

    88 {

    89     m_engine = NULL;

    90 #ifndef SYMBIAN_BACKEND_USE_SQLITE

    91     delete m_contactChangeNotifier;

    92 #else

    93     if (m_contactDatabase != 0) {

    94         m_contactDatabase->RemoveObserver(*this);

    95     }

    96 #endif

    97     delete m_contactDatabase;

    98 }

    99 

   100 CContactDatabase* CntSymbianDatabase::contactDatabase()

   101 {

   102     return m_contactDatabase;

   103 }

   104 

   105 void CntSymbianDatabase::appendContactsEmitted(const QList<QContactLocalId> &contactList)

   106 {

   107     m_contactsEmitted += contactList;

   108 }

   109 

   110 void CntSymbianDatabase::appendContactEmitted(QContactLocalId id)

   111 {

   112     m_contactsEmitted.append(id);

   113 }

   114 

   115 /*!

   116  * Respond to a contacts database event, delegating this event to

   117  * an appropriate signal as required.

   118  *

   119  * \param aEvent Contacts database event describing the change to the

   120  *  database.

   121  */

   122 void CntSymbianDatabase::HandleDatabaseEventL(TContactDbObserverEvent aEvent)

   123 {

   124     QContactChangeSet changeSet;

   125     TContactItemId id = aEvent.iContactId;

   126 

   127     switch (aEvent.iType)

   128     {

   129     case EContactDbObserverEventContactAdded:

   130         if(m_contactsEmitted.contains(id))

   131             m_contactsEmitted.removeOne(id);

   132         else

   133             changeSet.addedContacts().insert(id);

   134         break;

   135     case EContactDbObserverEventOwnCardDeleted:

   136     case EContactDbObserverEventContactDeleted:

   137         if(m_contactsEmitted.contains(id))

   138             m_contactsEmitted.removeOne(id);

   139         else

   140             changeSet.removedContacts().insert(id);

   141         break;

   142     case EContactDbObserverEventContactChanged:

   143         if(m_contactsEmitted.contains(id))

   144             m_contactsEmitted.removeOne(id);

   145         else

   146             changeSet.changedContacts().insert(id);

   147         break;

   148     case EContactDbObserverEventGroupAdded:

   149         if(m_contactsEmitted.contains(id))

   150             m_contactsEmitted.removeOne(id);

   151         else

   152             changeSet.addedRelationshipsContacts().insert(id);

   153         break;

   154     case EContactDbObserverEventGroupDeleted:

   155         if(m_contactsEmitted.contains(id))

   156             m_contactsEmitted.removeOne(id);

   157         else

   158             changeSet.removedRelationshipsContacts().insert(id);

   159         break;

   160     case EContactDbObserverEventGroupChanged:

   161         if(m_contactsEmitted.contains(id))

   162             m_contactsEmitted.removeOne(id);

   163         else

   164             changeSet.changedContacts().insert(id); //group is a contact

   165         break;

   166     case EContactDbObserverEventOwnCardChanged:

   167         {

   168             QOwnCardPair ownCard(m_currentOwnCardId, QContactLocalId(id));

   169             changeSet.oldAndNewSelfContactId() = ownCard;

   170             m_currentOwnCardId = QContactLocalId(id);

   171             break;

   172         }

   173     default:

   174         break; // ignore other events

   175     }

   176 

   177     changeSet.emitSignals(m_engine);

   178 }

   179 

   180 

   181 

   182 

   183 

   184