phonebookui/Phonebook2/CommonUI/src/CPbk2CompressPolicyManager.cpp
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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 compress policy manager.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "CPbk2CompressPolicyManager.h"
       
    20 
       
    21 // Phonebook 2
       
    22 #include "CPbk2CompressPolicyTimer.h"
       
    23 #include "CPbk2CompressPolicyDiskSpace.h"
       
    24 #include <MPbk2StoreObservationRegister.h>
       
    25 
       
    26 // Virtual Phonebook
       
    27 #include <CVPbkContactManager.h>
       
    28 #include <MVPbkContactOperationBase.h>
       
    29 
       
    30 // System includes
       
    31 #include <systemwarninglevels.hrh>
       
    32 
       
    33 // Debugging headers
       
    34 #include <Pbk2Debug.h>
       
    35 
       
    36 
       
    37 /// Unnamed namespace for local definitions
       
    38 namespace {
       
    39 
       
    40  /// Time (in seconds) to wait after last database event before starting
       
    41  /// compression. The timeout tries to prevent compression from starting
       
    42  /// if there is a lot of database activity.
       
    43 const TInt KIntervalInSeconds(10);
       
    44 
       
    45 #ifdef _DEBUG
       
    46 
       
    47 enum TPanic
       
    48     {
       
    49     EPreCondPanic_OperationComplete = 1,
       
    50     EPreCondPanic_AlreadyExist
       
    51     };
       
    52 
       
    53 _LIT(KPanicCat, "CPbk2CompressPolicyManager");
       
    54 
       
    55 void Panic(TPanic aPanic)
       
    56     {
       
    57     User::Panic(KPanicCat, aPanic);
       
    58     }
       
    59 
       
    60 #endif // _DEBUG
       
    61 
       
    62 } /// namespace
       
    63 
       
    64 
       
    65 // --------------------------------------------------------------------------
       
    66 // CPbk2CompressPolicyManager::CPbk2CompressPolicyManager
       
    67 // --------------------------------------------------------------------------
       
    68 //
       
    69 CPbk2CompressPolicyManager::CPbk2CompressPolicyManager
       
    70         ( MPbk2StoreObservationRegister& aStoreObservationRegister,
       
    71           CVPbkContactManager& aContactManager ) :
       
    72             iStoreObservationRegister( aStoreObservationRegister ),
       
    73             iContactManager( aContactManager )
       
    74     {
       
    75     }
       
    76 
       
    77 // --------------------------------------------------------------------------
       
    78 // CPbk2CompressPolicyManager::~CPbk2CompressPolicyManager
       
    79 // --------------------------------------------------------------------------
       
    80 //
       
    81 CPbk2CompressPolicyManager::~CPbk2CompressPolicyManager()
       
    82     {
       
    83     iPolicyArray.ResetAndDestroy();
       
    84     delete iCompressOperation;
       
    85     }
       
    86 
       
    87 // --------------------------------------------------------------------------
       
    88 // CPbk2CompressPolicyManager::NewL
       
    89 // --------------------------------------------------------------------------
       
    90 //
       
    91 CPbk2CompressPolicyManager* CPbk2CompressPolicyManager::NewL
       
    92         ( MPbk2StoreObservationRegister& aStoreObservationRegister,
       
    93           CVPbkContactManager& aContactManager )
       
    94     {
       
    95     CPbk2CompressPolicyManager* self =
       
    96         new ( ELeave ) CPbk2CompressPolicyManager
       
    97             ( aStoreObservationRegister, aContactManager );
       
    98     CleanupStack::PushL(self);
       
    99     self->ConstructL();
       
   100     CleanupStack::Pop(self);
       
   101     return self;
       
   102     }
       
   103 
       
   104 // --------------------------------------------------------------------------
       
   105 // CPbk2CompressPolicyManager::ConstructL
       
   106 // --------------------------------------------------------------------------
       
   107 //
       
   108 void CPbk2CompressPolicyManager::ConstructL()
       
   109     {
       
   110     ConstructPoliciesL();
       
   111     }
       
   112 
       
   113 // --------------------------------------------------------------------------
       
   114 // CPbk2CompressPolicyManager::CompressStores
       
   115 // --------------------------------------------------------------------------
       
   116 //
       
   117 void CPbk2CompressPolicyManager::CompressStores()
       
   118     {
       
   119     __ASSERT_DEBUG( !iCompressOperation, Panic(EPreCondPanic_AlreadyExist));
       
   120     
       
   121     TRAPD( err,
       
   122         iCompressOperation = iContactManager.CompressStoresL( *this ) );
       
   123 
       
   124     if (err != KErrNone)
       
   125         {
       
   126         // if error occured here, restart all policies
       
   127         StartAllPolicies();
       
   128         }
       
   129     }
       
   130 
       
   131 // --------------------------------------------------------------------------
       
   132 // CPbk2CompressPolicyManager::CancelCompress
       
   133 // --------------------------------------------------------------------------
       
   134 //
       
   135 void CPbk2CompressPolicyManager::CancelCompress()
       
   136     {
       
   137     delete iCompressOperation;
       
   138     iCompressOperation = NULL;
       
   139     }
       
   140 
       
   141 // --------------------------------------------------------------------------
       
   142 // CPbk2CompressPolicyManager::StartAllPolicies
       
   143 // --------------------------------------------------------------------------
       
   144 //
       
   145 void CPbk2CompressPolicyManager::StartAllPolicies()
       
   146     {
       
   147     for (TInt i = 0; i < iPolicyArray.Count(); ++i)
       
   148         {
       
   149         MPbk2CompressPolicy* policy = iPolicyArray[i];
       
   150         policy->Start();
       
   151         }
       
   152     }
       
   153 
       
   154 // --------------------------------------------------------------------------
       
   155 // CPbk2CompressPolicyManager::StopAllPolicies
       
   156 // --------------------------------------------------------------------------
       
   157 //
       
   158 void CPbk2CompressPolicyManager::StopAllPolicies()
       
   159     {
       
   160     CancelCompress();
       
   161     for (TInt i = 0; i < iPolicyArray.Count(); ++i)
       
   162         {
       
   163         iPolicyArray[i]->Stop();
       
   164         }
       
   165     }
       
   166 
       
   167 // --------------------------------------------------------------------------
       
   168 // CPbk2CompressPolicyManager::StepComplete
       
   169 // --------------------------------------------------------------------------
       
   170 //
       
   171 void CPbk2CompressPolicyManager::StepComplete
       
   172         ( MVPbkContactOperationBase& /*aOperation*/, TInt /*aStepSize*/ )
       
   173     {
       
   174     // Do nothing
       
   175     }
       
   176 
       
   177 // --------------------------------------------------------------------------
       
   178 // CPbk2CompressPolicyManager::StepFailed
       
   179 // --------------------------------------------------------------------------
       
   180 //
       
   181 TBool CPbk2CompressPolicyManager::StepFailed
       
   182         ( MVPbkContactOperationBase& /*aOperation*/, TInt /*aStepSize*/,
       
   183           TInt /*aError*/ )
       
   184     {
       
   185     // The process should be stopped
       
   186     return EFalse;
       
   187     }
       
   188 
       
   189 // --------------------------------------------------------------------------
       
   190 // CPbk2CompressPolicyManager::OperationComplete
       
   191 // --------------------------------------------------------------------------
       
   192 //
       
   193 void CPbk2CompressPolicyManager::OperationComplete
       
   194         ( MVPbkContactOperationBase& PBK2_DEBUG_ONLY( aOperation ) )
       
   195     {
       
   196     __ASSERT_DEBUG(iCompressOperation == &aOperation,
       
   197         Panic(EPreCondPanic_OperationComplete));
       
   198     delete iCompressOperation;
       
   199     iCompressOperation = NULL;
       
   200 
       
   201     // After compress operation complete, restart the policies
       
   202     StartAllPolicies();
       
   203     }
       
   204 
       
   205 // --------------------------------------------------------------------------
       
   206 // CPbk2CompressPolicyManager::ConstructPoliciesL
       
   207 // --------------------------------------------------------------------------
       
   208 //
       
   209 void CPbk2CompressPolicyManager::ConstructPoliciesL()
       
   210     {
       
   211     // Timer policy
       
   212     CPbk2CompressPolicyTimer* timerPolicy = CPbk2CompressPolicyTimer::NewL
       
   213         ( iStoreObservationRegister, *this, KIntervalInSeconds );
       
   214     CleanupStack::PushL(timerPolicy);
       
   215     iPolicyArray.AppendL(timerPolicy);
       
   216     CleanupStack::Pop(timerPolicy);
       
   217 
       
   218     // Disk space policy
       
   219     CPbk2CompressPolicyDiskSpace* diskspacePolicy =
       
   220         CPbk2CompressPolicyDiskSpace::NewL
       
   221             ( *this, iContactManager.FsSession(), KDRIVECCRITICALTHRESHOLD );
       
   222     CleanupStack::PushL(diskspacePolicy);
       
   223     iPolicyArray.AppendL(diskspacePolicy);
       
   224     CleanupStack::Pop(diskspacePolicy);
       
   225     }
       
   226 
       
   227 // End of File