phonebookui/Phonebook2/ServerApplication/src/Pbk2AssignValidateField.cpp
changeset 0 e686773b3f54
child 21 9da50d567e3c
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     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:  Phonebook 2 assign service field validator.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "Pbk2AssignValidateField.h"
       
    20 
       
    21 // Phonebook 2
       
    22 #include <CPbk2PresentationContact.h>
       
    23 #include <CPbk2PresentationContactFieldCollection.h>
       
    24 
       
    25 // Virtual Phonebook
       
    26 #include <MVPbkContactStore.h>
       
    27 #include <MVPbkContactStoreProperties.h>
       
    28 #include <MVPbkContactFieldTextData.h>
       
    29 #include <MVPbkFieldType.h>
       
    30 #include <VPbkEng.rsg>
       
    31 
       
    32 
       
    33 /// Unnamed namespace for local definitions
       
    34 namespace {
       
    35 
       
    36 const TInt KOne = 1;
       
    37 
       
    38 /**
       
    39  * Checks does a given file exist.
       
    40  *
       
    41  * @param aFs           File server session.
       
    42  * @param aFileName     Name of the file to check.
       
    43  * @return  ETrue if file exists.
       
    44  */
       
    45 inline TBool FileExists( RFs& aFs, const TDesC& aFileName )
       
    46     {
       
    47     TEntry ignore;
       
    48     return ( aFs.Entry( aFileName, ignore ) == KErrNone );
       
    49     }
       
    50 
       
    51 /**
       
    52  * Returns the amount of fields of given type in given contact.
       
    53  *
       
    54  * @param aContact      The contact to inspect.
       
    55  * @param aFieldType    The field type to inspect.
       
    56  * @return  Amount of fields of given type in the given contact.
       
    57  */
       
    58 TInt CurrentAmountOfFieldTypeInContact
       
    59         ( CPbk2PresentationContact& aContact,
       
    60           const MVPbkFieldType& aFieldType )
       
    61     {
       
    62     TInt res = 0;
       
    63 
       
    64     // Count of contact fields
       
    65     const TInt count = aContact.Fields().FieldCount();
       
    66 
       
    67     const TInt maxMatchPriority = aContact.ContactStore().
       
    68         StoreProperties().SupportedFields().MaxMatchPriority();
       
    69 
       
    70     for ( TInt i = 0; i < count; ++i )
       
    71         {
       
    72         const MVPbkFieldType* type = NULL;
       
    73         const MVPbkStoreContactField& field = aContact.Fields().FieldAt( i );
       
    74 
       
    75         for ( TInt j = 0; j < maxMatchPriority && !type; ++j )
       
    76             {
       
    77             type = field.MatchFieldType( j );
       
    78             }
       
    79 
       
    80         if ( (aFieldType.IsSame( *type ) ) )
       
    81             {
       
    82             ++res;
       
    83             }
       
    84         }
       
    85 
       
    86     return res;
       
    87     }
       
    88 
       
    89 } /// namespace
       
    90 
       
    91 // --------------------------------------------------------------------------
       
    92 // Pbk2AssignValidateField::ValidateFieldTypeUsageInContactL
       
    93 // --------------------------------------------------------------------------
       
    94 //
       
    95 TInt Pbk2AssignValidateField::ValidateFieldTypeUsageInContactL
       
    96         ( CPbk2PresentationContact& aContact,
       
    97           const MVPbkFieldType& aFieldType, RFs& aFsSession,
       
    98           TInt& aFieldIndex )
       
    99     {
       
   100     TInt ret = KErrNotFound;
       
   101 
       
   102     const MVPbkStoreContactFieldCollection& fields = aContact.Fields();
       
   103     const MVPbkStoreContactField* field = NULL;
       
   104     const TInt fieldCount = fields.FieldCount();
       
   105 
       
   106     for ( TInt i( 0 ); i < fieldCount; ++i)
       
   107         {
       
   108         field = &fields.FieldAt(i);
       
   109         const MVPbkFieldType* fieldType = field->BestMatchingFieldType();
       
   110 
       
   111         if ( fieldType && fieldType->IsSame( aFieldType ) )
       
   112             {
       
   113             // Field type was found from contact
       
   114             ret = KErrNone;
       
   115             aFieldIndex = aContact.PresentationFields().StoreIndexOfField( i );
       
   116             break;
       
   117             }
       
   118         }
       
   119 
       
   120     if ( ret == KErrNone )
       
   121         {
       
   122         // Field was found from contact but if it was a ringing tone or an
       
   123         // image field do a file exist check. If the file those fields are
       
   124         // referencing is not found from the file system, the field is
       
   125         // hidden in Phonebook UI. It is not removed, but hidden because
       
   126         // the file might reside on a removable media and come back later on.
       
   127         //
       
   128         // The logic here is to not to ask overwrite contact field
       
   129         // confirmation from the user if the file does not currently exist.
       
   130 
       
   131         TInt fieldTypeResId = aFieldType.FieldTypeResId();
       
   132         if ( fieldTypeResId == R_VPBK_FIELD_TYPE_RINGTONE ||
       
   133              fieldTypeResId == R_VPBK_FIELD_TYPE_CALLEROBJIMG )
       
   134             {
       
   135             const MVPbkContactFieldTextData& textData =
       
   136                 MVPbkContactFieldTextData::Cast( field->FieldData() );
       
   137 
       
   138             if ( !FileExists( aFsSession, textData.Text() ) )
       
   139                 {
       
   140                 // The file the contact field indicates is not
       
   141                 // on the file system, return KErrPathNotFound to indicate
       
   142                 // that the contact haves this field but the file refenced
       
   143                 // is not found
       
   144                 ret = KErrPathNotFound;
       
   145                 // Do not change the aFieldIndex value here though.
       
   146                 }
       
   147             }
       
   148         }
       
   149 
       
   150     if ( ret == KErrNone )
       
   151         {
       
   152         // Get maximum number of fields of given type in the contact
       
   153         const TInt max = aContact.MaxNumberOfFieldL( aFieldType );
       
   154 
       
   155         if ( max != KVPbkStoreContactUnlimitedNumber )
       
   156             {
       
   157             // Get current amount of fields of given type in the contact
       
   158             TInt current = CurrentAmountOfFieldTypeInContact
       
   159                 ( aContact, aFieldType );
       
   160 
       
   161             if ( current >= max )
       
   162                 {
       
   163                 // Return code depends on multiplicity
       
   164                 if ( max == KOne )
       
   165                     {
       
   166                     ret = KErrAlreadyExists;
       
   167                     }
       
   168                 else
       
   169                     {
       
   170                     ret = KErrNotSupported;
       
   171                     }
       
   172                 }
       
   173             }
       
   174         }
       
   175 
       
   176     return ret;
       
   177     }
       
   178 
       
   179 // End of File