omaprovisioning/provisioning/ProvisioningCx/Src/CWPCxDeleter.cpp
branchRCL_3
changeset 25 b183ec05bd8c
parent 24 13d7c31c74e0
child 26 19bba8228ff0
equal deleted inserted replaced
24:13d7c31c74e0 25:b183ec05bd8c
     1 /*
       
     2 * Copyright (c) 2002-2006 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:  Helper class for saving Provisioning settings. Provides a progress note.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include "CWPCxDeleter.h"
       
    21 #include <aknquerydialog.h>
       
    22 #include <eikprogi.h>
       
    23 #include <ProvisioningCx.rsg>
       
    24 #include <commdb.h>
       
    25 #include <CWPEngine.h>
       
    26 #include <CWPAdapter.h>
       
    27 #include <ActiveFavouritesDbNotifier.h>
       
    28 
       
    29 // CONSTANTS
       
    30 const TInt KMaxWaitTime = 2000000;
       
    31 const TInt KRetryCount = 5;
       
    32 
       
    33 // CLASS DECLARATION
       
    34 
       
    35 // ================= MEMBER FUNCTIONS =======================
       
    36 
       
    37 // C++ default constructor.
       
    38 CWPCxDeleter::CWPCxDeleter( CWPEngine& aEngine, TUint32 aContext )
       
    39 : CActive( EPriorityStandard ), iEngine( aEngine ), 
       
    40   iContext( aContext ),
       
    41   iCurrentItem( 0 ), iResult( KErrNone )
       
    42     {
       
    43     }
       
    44 
       
    45 // ----------------------------------------------------------------------------
       
    46 // CWPCxDeleter::ExecuteLD
       
    47 // ----------------------------------------------------------------------------
       
    48 //
       
    49 void CWPCxDeleter::PrepareLC()
       
    50     {
       
    51     // Assume ownership of this.
       
    52     CleanupStack::PushL( this );
       
    53 
       
    54     iApDbNotifier = CActiveApDb::NewL( EDatabaseTypeIAP );
       
    55     iApDbNotifier->AddObserverL( this );
       
    56     
       
    57     User::LeaveIfError( iSession.Connect() );
       
    58     User::LeaveIfError( iBookmarkDb.Open( iSession, KBrowserBookmarks ) );
       
    59     iFavouritesNotifier = new(ELeave) CActiveFavouritesDbNotifier( iBookmarkDb, *this );
       
    60 
       
    61     iFavouritesNotifier->Start();
       
    62 
       
    63     iRetryTimer = CPeriodic::NewL( EPriorityStandard );
       
    64 
       
    65     // Set up the dialog and callback mechanism.
       
    66     iDialog = new(ELeave)CAknProgressDialog(
       
    67         reinterpret_cast<CEikDialog**>(&iDialog), EFalse );
       
    68     iDialog->SetCallback( this );
       
    69     iDialog->ExecuteLD(R_WAITNOTE_DELETE);
       
    70     CEikProgressInfo* progressInfo = iDialog->GetProgressInfoL();
       
    71     progressInfo->SetAndDraw(iCurrentItem);
       
    72     progressInfo->SetFinalValue(iEngine.ContextDataCountL(iContext));
       
    73     }
       
    74 
       
    75 // ----------------------------------------------------------------------------
       
    76 // CWPCxDeleter::ExecuteLD
       
    77 // ----------------------------------------------------------------------------
       
    78 //
       
    79 TInt CWPCxDeleter::ExecuteLD( TInt& aNumDeleted )
       
    80     {
       
    81     PrepareLC();
       
    82 
       
    83     // Add us to active scheduler and make sure RunL() gets called.
       
    84     CActiveScheduler::Add( this );
       
    85     CompleteRequest();
       
    86     iWait.Start();
       
    87 
       
    88     // Progress note has been finished/cancelled. Cache the result
       
    89     // and delete this.
       
    90     TInt result( iResult );
       
    91     aNumDeleted = iCurrentItem;
       
    92     CleanupStack::PopAndDestroy(); // this
       
    93 
       
    94     return result;
       
    95     }
       
    96 
       
    97 // Destructor
       
    98 CWPCxDeleter::~CWPCxDeleter()
       
    99     {
       
   100     Cancel();
       
   101 
       
   102     delete iApDbNotifier;
       
   103 
       
   104     if( iFavouritesNotifier )
       
   105         {
       
   106         iFavouritesNotifier->Cancel();
       
   107         delete iFavouritesNotifier;
       
   108         }
       
   109 
       
   110     iBookmarkDb.Close();
       
   111     iSession.Close();
       
   112 
       
   113     delete iRetryTimer;
       
   114     }
       
   115 
       
   116 // ----------------------------------------------------------------------------
       
   117 // CWPCxDeleter::DoCancel
       
   118 // ----------------------------------------------------------------------------
       
   119 //
       
   120 void CWPCxDeleter::DoCancel()
       
   121     {
       
   122     }
       
   123 
       
   124 // ----------------------------------------------------------------------------
       
   125 // CWPCxDeleter::RunL
       
   126 // ----------------------------------------------------------------------------
       
   127 //
       
   128 void CWPCxDeleter::RunL()
       
   129     {
       
   130     // Choose whether to save or set as default
       
   131     TBool more( EFalse );
       
   132     TRAPD( err, more = iEngine.DeleteContextDataL( iContext ) );
       
   133 
       
   134     // If CommsDB or BookmarkDB are locked, schedule a retry
       
   135     if( err == EWPCommsDBLocked )
       
   136         {
       
   137         iWaitCommsDb = ETrue;
       
   138         DelayedCompleteRequestL();
       
   139         return;
       
   140         }
       
   141     else if( err == EWPBookmarksLocked )
       
   142         {
       
   143         iWaitFavourites = ETrue;
       
   144         DelayedCompleteRequestL();
       
   145         return;
       
   146         }
       
   147     else if( err != KErrNone )
       
   148         {
       
   149         // For all other errors, pass them through.
       
   150         User::LeaveIfError( err );
       
   151         }
       
   152     // Succesful save, so reset retry count
       
   153     iRetryCount = 0;
       
   154 
       
   155     // Normal progress
       
   156     if( !more )
       
   157         {
       
   158         iDialog->ProcessFinishedL();
       
   159         }
       
   160     else
       
   161         {
       
   162         CEikProgressInfo* progressInfo = iDialog->GetProgressInfoL();
       
   163         iCurrentItem++;
       
   164         progressInfo->SetAndDraw(iCurrentItem);
       
   165         CompleteRequest();
       
   166         }
       
   167     }
       
   168 
       
   169 // ---------------------------------------------------------
       
   170 // CWPCxDeleter::RunError
       
   171 // ---------------------------------------------------------
       
   172 //
       
   173 TInt CWPCxDeleter::RunError( TInt aError )
       
   174     {
       
   175     // There was a leave in RunL(). Store the error and
       
   176     // stop the dialog.
       
   177     iResult = aError;
       
   178     iWait.AsyncStop();
       
   179     delete iDialog;
       
   180     iDialog = NULL;
       
   181 
       
   182     return KErrNone;
       
   183     }
       
   184 
       
   185 // ---------------------------------------------------------
       
   186 // CWPCxDeleter::DialogDismissedL
       
   187 // ---------------------------------------------------------
       
   188 //
       
   189 void CWPCxDeleter::DialogDismissedL( TInt aButtonId )
       
   190     {
       
   191     if( aButtonId < 0 )
       
   192         {
       
   193         iResult = KErrCancel;
       
   194         }
       
   195 
       
   196     iWait.AsyncStop();
       
   197     }
       
   198 
       
   199 // ----------------------------------------------------------------------------
       
   200 // CWPCxDeleter::CompleteRequest
       
   201 // ----------------------------------------------------------------------------
       
   202 //
       
   203 void CWPCxDeleter::CompleteRequest()
       
   204     {
       
   205     // Schedule an immediate complete. Make sure that there
       
   206     // is no timer alive first
       
   207     Cancel();
       
   208     iRetryTimer->Cancel();
       
   209 
       
   210     SetActive();
       
   211     TRequestStatus* sp = &iStatus;
       
   212     User::RequestComplete( sp, KErrNone );
       
   213     }
       
   214 
       
   215 // ----------------------------------------------------------------------------
       
   216 // CWPCxDeleter::DelayedCompleteRequestL
       
   217 // ----------------------------------------------------------------------------
       
   218 //
       
   219 void CWPCxDeleter::DelayedCompleteRequestL()
       
   220     {
       
   221     if( iRetryCount < KRetryCount )
       
   222         {
       
   223         // Schedule a delayed complete.
       
   224         iRetryTimer->Cancel();
       
   225         iRetryTimer->Start( KMaxWaitTime, KMaxTInt32, TCallBack( Timeout, this ) );
       
   226         iRetryCount++;
       
   227         }
       
   228     else
       
   229         {
       
   230         User::Leave( KErrTimedOut );
       
   231         }
       
   232     }
       
   233 
       
   234 // ----------------------------------------------------------------------------
       
   235 // CWPCxDeleter::Retry
       
   236 // ----------------------------------------------------------------------------
       
   237 //
       
   238 void CWPCxDeleter::Retry()
       
   239     {
       
   240     // Immediate retry. Mark that we're not waiting
       
   241     // for an event and complete request.
       
   242 
       
   243     iWaitCommsDb = EFalse;
       
   244     iWaitFavourites = EFalse;
       
   245     CompleteRequest();
       
   246     }
       
   247 
       
   248 // ----------------------------------------------------------------------------
       
   249 // CWPCxDeleter::Timeout
       
   250 // ----------------------------------------------------------------------------
       
   251 //
       
   252 TInt CWPCxDeleter::Timeout(TAny* aSelf)
       
   253     {
       
   254     // There was a time-out. Retry saving even though we
       
   255     // didn't get a notify from database.
       
   256     CWPCxDeleter* self = STATIC_CAST(CWPCxDeleter*, aSelf);
       
   257     self->Retry();
       
   258 
       
   259     return KErrNone;
       
   260     }
       
   261 
       
   262 // ----------------------------------------------------------------------------
       
   263 // CWPCxDeleter::HandleApDbEventL
       
   264 // ----------------------------------------------------------------------------
       
   265 //
       
   266 void CWPCxDeleter::HandleApDbEventL( TEvent aEvent )
       
   267     {
       
   268     // We received an event from CommsDB. Retry if we're
       
   269     // waiting for it.
       
   270     if( iWaitCommsDb && aEvent == EDbAvailable )
       
   271         {
       
   272         Retry();
       
   273         }
       
   274     }
       
   275 
       
   276 // ----------------------------------------------------------------------------
       
   277 // CWPCxDeleter::HandleFavouritesDbEventL
       
   278 // ----------------------------------------------------------------------------
       
   279 //
       
   280 void CWPCxDeleter::HandleFavouritesDbEventL( RDbNotifier::TEvent /*aEvent*/ )
       
   281     {
       
   282     // We received an event from BookmarkDB. Retry if we're
       
   283     // waiting for it.
       
   284     if( iWaitFavourites )
       
   285         {
       
   286         Retry();
       
   287         }
       
   288     }
       
   289 
       
   290 //  End of File
       
   291