1 /*

     2 * Copyright (c) 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:  Class definition of CDiagPluginWaitingDialogWrapper

    15 *

    16 */

    17 

    18 

    19 // CLASS DECLARATION

    20 #include "diagpluginwaitingdialogwrapper.h"

    21 

    22 // SYSTEM INCLUDE FILES

    23 #include <AknDialog.h>                      // CAknDialog

    24 

    25 // USER INCLUDE FILES

    26 #include "diagpluginbase.pan"               // Panic Codes

    27 

    28 // LOCAL TYPES

    29 

    30 // ======== LOCAL FUNCTIONS ========

    31 

    32 // ======== MEMBER FUNCTIONS ========

    33 

    34 // ---------------------------------------------------------------------------

    35 // CDiagPluginWaitingDialogWrapper::NewL

    36 // ---------------------------------------------------------------------------

    37 //

    38 EXPORT_C CDiagPluginWaitingDialogWrapper* CDiagPluginWaitingDialogWrapper::NewL( 

    39         CAknDialog* aWaitingDialog )

    40     {

    41     CleanupStack::PushL( aWaitingDialog );

    42     CDiagPluginWaitingDialogWrapper* self = new ( ELeave ) 

    43         CDiagPluginWaitingDialogWrapper( aWaitingDialog );

    44     CleanupStack::Pop( aWaitingDialog );

    45 

    46     return self;

    47     }

    48 

    49 // ---------------------------------------------------------------------------

    50 // CDiagPluginWaitingDialogWrapper::CDiagPluginWaitingDialogWrapper

    51 // ---------------------------------------------------------------------------

    52 //

    53 CDiagPluginWaitingDialogWrapper::CDiagPluginWaitingDialogWrapper( 

    54         CAknDialog* aWaitingDialog )

    55     :   iWaitingDialog( aWaitingDialog ),

    56         iIsObjectDeletedPtr( NULL )

    57     {

    58     // Dialog must not be NULL

    59     __ASSERT_ALWAYS( iWaitingDialog, Panic( EDiagPluginBasePanicBadArgument ) );

    60 

    61     // Coverity Change .....  Dialog must have EEikDialogFlagWait flag set

    62     __ASSERT_ALWAYS( (iWaitingDialog->DialogFlags() & EEikDialogFlagWait),

    63                      Panic( EDiagPluginBasePanicBadArgument ) );

    64     }

    65 

    66 // ---------------------------------------------------------------------------

    67 // CDiagPluginWaitingDialogWrapper::~CDiagPluginWaitingDialogWrapper

    68 // ---------------------------------------------------------------------------

    69 //

    70 EXPORT_C CDiagPluginWaitingDialogWrapper::~CDiagPluginWaitingDialogWrapper()

    71     {

    72     if( iIsObjectDeletedPtr )

    73         {

    74         // If this pointer is set, we are still in RunLD().

    75         __ASSERT_DEBUG( iWaitingDialog, Panic( EDiagPluginBasePanicInternal ) );

    76         

    77         *iIsObjectDeletedPtr = ETrue;

    78         iIsObjectDeletedPtr = NULL;

    79 

    80         delete iWaitingDialog;

    81         iWaitingDialog = NULL;

    82         }

    83     }

    84 

    85 // ---------------------------------------------------------------------------

    86 // CDiagPluginWaitingDialogWrapper::RunLD

    87 // ---------------------------------------------------------------------------

    88 EXPORT_C TBool CDiagPluginWaitingDialogWrapper::RunLD( TInt& aDialogResponse )

    89     {

    90     // Make sure that this function is not called twice.

    91     __ASSERT_ALWAYS( iIsObjectDeletedPtr == NULL,

    92         Panic( EDiagPluginBasePanicInvalidState ) );

    93 

    94     TBool isObjectDeleted = EFalse;

    95     

    96     iIsObjectDeletedPtr = &isObjectDeleted;

    97 

    98     aDialogResponse = iWaitingDialog->RunLD();

    99     // Do not access local variable until isObjectDeleted

   100     // value is checked first. "this" pointer may be invalid at this pointer.

   101 

   102     if ( isObjectDeleted )

   103         {

   104         // this class is already deleted. Exit immediately.

   105         return EFalse;

   106         }

   107     else

   108         {

   109         // iWaitingDialog->RunLD() returned with user response.

   110         iIsObjectDeletedPtr = NULL;

   111         iWaitingDialog = NULL;

   112 

   113         // Self-destruct as it is a "D" function.

   114         delete this;

   115         return ETrue;

   116         }

   117     }

   118 

   119 // End of File

   120