phonebookui/Phonebook2/Presentation/src/CPbk2DefaultSavingStoreMonitor.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2007 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: 
       
    15 *     Phonebook 2 default saving store monitor.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "CPbk2DefaultSavingStoreMonitor.h"
       
    22 
       
    23 // From Phonebook2
       
    24 #include <Phonebook2InternalCRKeys.h>
       
    25 #include <MPbk2DefaultSavingStoreObserver.h>
       
    26 
       
    27 // From Virtual phonebook
       
    28 #include <TVPbkContactStoreUriPtr.h>
       
    29 
       
    30 // From System
       
    31 #include <centralrepository.h>
       
    32 
       
    33 // Unnamed namespace for local definitions
       
    34 namespace {
       
    35 
       
    36 // Definition for initial store uri size
       
    37 const TInt KInitialStoreUriSize = 1;
       
    38 
       
    39 }// namespace
       
    40 
       
    41 
       
    42 // ================= MEMBER FUNCTIONS =======================
       
    43 
       
    44 // --------------------------------------------------------------------------
       
    45 // CPbk2DefaultSavingStoreMonitor::CPbk2DefaultSavingStoreMonitor
       
    46 // --------------------------------------------------------------------------
       
    47 //
       
    48 CPbk2DefaultSavingStoreMonitor::CPbk2DefaultSavingStoreMonitor(
       
    49         CRepository& aRepository,
       
    50         MPbk2DefaultSavingStoreObserver& aObserver ) :
       
    51     CActive(EPriorityHigh),
       
    52     iRepository(aRepository),
       
    53     iObserver( aObserver )
       
    54     {
       
    55     CActiveScheduler::Add(this);
       
    56     }
       
    57 
       
    58 // --------------------------------------------------------------------------
       
    59 // CPbk2DefaultSavingStoreMonitor::~CPbk2DefaultSavingStoreMonitor
       
    60 // --------------------------------------------------------------------------
       
    61 //
       
    62 CPbk2DefaultSavingStoreMonitor::~CPbk2DefaultSavingStoreMonitor()
       
    63     {
       
    64     Cancel();
       
    65     delete iDefaultStoreUri;
       
    66     }
       
    67     
       
    68 // --------------------------------------------------------------------------
       
    69 // CPbk2DefaultSavingStoreMonitor::NewL
       
    70 // --------------------------------------------------------------------------
       
    71 //
       
    72 CPbk2DefaultSavingStoreMonitor* CPbk2DefaultSavingStoreMonitor::NewL(
       
    73         CRepository& aRepository, MPbk2DefaultSavingStoreObserver& aObserver)
       
    74     {
       
    75     CPbk2DefaultSavingStoreMonitor* self =
       
    76         new(ELeave) CPbk2DefaultSavingStoreMonitor(aRepository, aObserver);
       
    77     CleanupStack::PushL(self);
       
    78     self->ConstructL();
       
    79     CleanupStack::Pop(self);
       
    80     return self;
       
    81     }
       
    82 
       
    83 // --------------------------------------------------------------------------
       
    84 // CPbk2DefaultSavingStoreMonitor::ConstructL
       
    85 // --------------------------------------------------------------------------
       
    86 //
       
    87 inline void CPbk2DefaultSavingStoreMonitor::ConstructL()
       
    88     {
       
    89     RenewRequestL();
       
    90     }
       
    91 
       
    92 // --------------------------------------------------------------------------
       
    93 // CPbk2DefaultSavingStoreMonitor::DefaultSavingStoreL
       
    94 // --------------------------------------------------------------------------
       
    95 //
       
    96 TVPbkContactStoreUriPtr
       
    97         CPbk2DefaultSavingStoreMonitor::DefaultSavingStoreL() const
       
    98     {
       
    99     if ( !iDefaultStoreUri )
       
   100         {
       
   101         iDefaultStoreUri = UpdateDefaultSavingStoreL();
       
   102         }
       
   103     return *iDefaultStoreUri;
       
   104     }
       
   105 
       
   106 // --------------------------------------------------------------------------
       
   107 // CPbk2DefaultSavingStoreMonitor::UpdateDefaultSavingStoreL
       
   108 // --------------------------------------------------------------------------
       
   109 //
       
   110 HBufC* CPbk2DefaultSavingStoreMonitor::UpdateDefaultSavingStoreL() const
       
   111     {
       
   112     HBufC* defaultStoreUri = HBufC::NewL(KInitialStoreUriSize);
       
   113     TPtr ptr = defaultStoreUri->Des();
       
   114     TInt actualSize = 0;
       
   115     TInt ret = iRepository.Get
       
   116         (KPhonebookDefaultSavingStoreUri, ptr, actualSize);
       
   117     if (ret == KErrOverflow)
       
   118         {
       
   119         delete defaultStoreUri;
       
   120         defaultStoreUri = NULL;
       
   121         defaultStoreUri = HBufC::NewL(actualSize);
       
   122         CleanupStack::PushL( defaultStoreUri );
       
   123         ptr.Set(defaultStoreUri->Des());
       
   124         User::LeaveIfError(iRepository.Get
       
   125             (KPhonebookDefaultSavingStoreUri, ptr));
       
   126         CleanupStack::Pop( defaultStoreUri ); 
       
   127         }        
       
   128     return defaultStoreUri;        
       
   129     }
       
   130 
       
   131 // --------------------------------------------------------------------------
       
   132 // CPbk2DefaultSavingStoreMonitor::RenewRequestL
       
   133 // --------------------------------------------------------------------------
       
   134 //
       
   135 void CPbk2DefaultSavingStoreMonitor::RenewRequestL()
       
   136     {
       
   137     User::LeaveIfError(iRepository.NotifyRequest(
       
   138         KPhonebookDefaultSavingStoreUri, iStatus));
       
   139     SetActive();
       
   140     }
       
   141 
       
   142 // --------------------------------------------------------------------------
       
   143 // CPbk2DefaultSavingStoreMonitor::RunL
       
   144 // --------------------------------------------------------------------------
       
   145 //
       
   146 void CPbk2DefaultSavingStoreMonitor::RunL()
       
   147     {
       
   148     HBufC* temp = UpdateDefaultSavingStoreL();
       
   149     delete iDefaultStoreUri;
       
   150     iDefaultStoreUri = NULL;
       
   151     iDefaultStoreUri = temp;
       
   152     iObserver.SavingStoreChanged();
       
   153     RenewRequestL();
       
   154     }
       
   155     
       
   156 // --------------------------------------------------------------------------
       
   157 // CPbk2DefaultSavingStoreMonitor::DoCancel
       
   158 // --------------------------------------------------------------------------
       
   159 //
       
   160 void CPbk2DefaultSavingStoreMonitor::DoCancel()
       
   161     {
       
   162     iRepository.NotifyCancelAll();
       
   163     }
       
   164 
       
   165 // End of File