diff -r fcdfafb36fe7 -r aecbbf00d063 uifw/AvKon/src/aknmessagequerydialog.cpp
--- a/uifw/AvKon/src/aknmessagequerydialog.cpp	Thu Aug 19 10:11:06 2010 +0300
+++ b/uifw/AvKon/src/aknmessagequerydialog.cpp	Tue Aug 31 15:28:30 2010 +0300
@@ -41,7 +41,7 @@
 
 #include <AknTasHook.h> // for testability hooks
 #include "AknHeadingPaneTouchObserver.h"
-#include "akntrace.h"
+
 
 // CONSTANTS
 const TInt KMaxLinks = 64;
@@ -51,24 +51,6 @@
 const TInt KBoldStartTagLength = 22;
 const TInt KBoldEndTagLength = 23;
 
-NONSHARABLE_CLASS(CAknAsynCallbackRunner) : public CActive
-    {
-public:
-    CAknAsynCallbackRunner( CAknMessageQueryDialogExtension* aMsgQueryExtension );
-    ~CAknAsynCallbackRunner();
-    
-public:
-// new functions
-    void AsyncCallbackRunL( TInt aCurLink );
-    
-// from CActive
-    void DoCancel();
-    void RunL();
-    
-private:
-    CAknMessageQueryDialogExtension* iMsgQueryExtension;
-    TInt iCurLink;
-    };
 
 class CAknMessageQueryDialogExtension : public CBase, public CAknExtendedInputCapabilities::MAknEventObserver,
                                         public MAknHeadingPaneTouchObserver
@@ -78,7 +60,6 @@
                                                                           iControlRegisted( EFalse ) {}
     ~CAknMessageQueryDialogExtension()
         {       
-        delete iAsyncCallbackRunner;
         TInt count = iFormatTextArray.Count();
         for ( TInt i = 0; i < count; i++ )
             {
@@ -88,6 +69,13 @@
         iFormatTextLocationArray.Close();
         iFormatTextArray.Close();
         iFormatTypeArray.Close();
+        
+        if ( iDestroyedPtr )
+            {
+            // Mark the object as destroyed.
+            *iDestroyedPtr = ETrue;
+            iDestroyedPtr = NULL;
+            }
         }
             
     /** From CAknExtendedInputCapabilities::MAknEventObserver
@@ -111,15 +99,6 @@
             iCtrl->DehighlightLink();
             }
         }
-    
-    void ExecuteLinkCallbackL( TInt aCurLink )
-        {
-        if ( !iAsyncCallbackRunner )
-            {
-            iAsyncCallbackRunner = new( ELeave ) CAknAsynCallbackRunner( this );
-            }
-        iAsyncCallbackRunner->AsyncCallbackRunL( aCurLink );
-        }
 
 public:
     
@@ -135,60 +114,25 @@
     TInt iButtonGroupPreviouslyChanged;
     CAknMessageQueryDialog* iParent;
     TBool iControlRegisted; 
-    CAknMessageQueryControl* iCtrl;    
+    CAknMessageQueryControl* iCtrl;
     
+    /**
+    * @c iDestroyedPtr is used for the object destruction check.
+    * If it has non-null value, the destruction check is turned on, and
+    * the value points to a local boolean variable that keeps the destroyed state.
+    */
+    TBool* iDestroyedPtr;
     TBool iIsInEditor;
-    
-    CAknAsynCallbackRunner* iAsyncCallbackRunner;
     };
-
-CAknAsynCallbackRunner::CAknAsynCallbackRunner( 
-    CAknMessageQueryDialogExtension* aMsgQueryExtension ) : 
-    CActive( EPriorityStandard ), iMsgQueryExtension( aMsgQueryExtension )
-    {
-    CActiveScheduler::Add( this );
-    }
-
-CAknAsynCallbackRunner::~CAknAsynCallbackRunner()
-    {
-    Cancel();
-    }
-
-void CAknAsynCallbackRunner::AsyncCallbackRunL( TInt aCurLink )
-    {
-    iCurLink = aCurLink;
-    if ( !IsActive() )
-        {        
-        iStatus = KRequestPending;
-        TRequestStatus* status = &iStatus;
-        User::RequestComplete( status, KErrNone );
-        SetActive();
-        }
-    }
-
-void CAknAsynCallbackRunner::DoCancel()
-    {
-    }
-
-void CAknAsynCallbackRunner::RunL()
-    {
-    if ( iMsgQueryExtension && iCurLink >= 0 && 
-        iCurLink < iMsgQueryExtension->iCallBackArray.Count() )
-        {
-        iMsgQueryExtension->iCallBackArray[iCurLink].CallBack();
-        }
-    }
     
 
 EXPORT_C CAknMessageQueryDialog* CAknMessageQueryDialog::NewL( TDesC& aMessage, const TTone& aTone )
     {
-	_AKNTRACE_FUNC_ENTER;
     CAknMessageQueryDialog* self = new ( ELeave ) CAknMessageQueryDialog( aTone );
     CleanupStack::PushL( self );
     self->SetMessageTextL( aMessage );
     CleanupStack::Pop(); //self
     AKNTASHOOK_ADDL( self, "CAknMessageQueryDialog" );
-    _AKNTRACE_FUNC_EXIT;
     return self;
     }
 
@@ -204,13 +148,11 @@
 
 EXPORT_C CAknMessageQueryDialog::CAknMessageQueryDialog( const TTone aTone ) : CAknQueryDialog( aTone )
     {
-	_AKNTRACE_FUNC_ENTER;
 #ifndef RD_NO_DIALOG_BORDERS
     iBorder = AknBorderId::EAknBorderNotePopup;
 #else
     iBorder = TGulBorder::ENone;
 #endif
-    _AKNTRACE_FUNC_EXIT;
     }
 
 //@deprecated
@@ -259,14 +201,12 @@
 
 EXPORT_C CAknMessageQueryDialog::~CAknMessageQueryDialog()
     {
-	_AKNTRACE( "[%s][%s] Enter", "CAknMessageQueryDialog", "~CAknMessageQueryDialog" );
     AKNTASHOOK_REMOVE();
     delete iMessage;
     delete iHeader;
     delete iHeaderImage;
     RegisterPointerEventObserver( EFalse ); 
     delete iMsgQueryExtension;
-    _AKNTRACE( "[%s][%s] Exit", "CAknMessageQueryDialog", "~CAknMessageQueryDialog" );
     }
 
 EXPORT_C void CAknMessageQueryDialog::SetMessageTextL( const TDesC& aMessage )
@@ -302,11 +242,8 @@
         else
             {
             // SetLinkTextL creates new callback in the callback array for the new link
-			HBufC* linkText = aLinkText.AllocL();
-			CleanupStack::PushL( linkText );
-			iMsgQueryExtension->iFormatTextArray.AppendL( linkText );
-			CleanupStack::Pop( linkText );
-            iMsgQueryExtension->iFormatTypeArray.AppendL( EMsgQueryLink );
+            iMsgQueryExtension->iFormatTextArray.Append( aLinkText.AllocL() );
+            iMsgQueryExtension->iFormatTypeArray.Append( EMsgQueryLink );
                
             // If the other method SetLink has been already called 
             // the new link is finished by adding the link count
@@ -349,10 +286,7 @@
         if ( iMsgQueryExtension->iCallBackArray.Count() < iMsgQueryExtension->iLinkCount )
             {
             // SetLink creates new callback in the callback array for the new link
-			if ( KErrNone != iMsgQueryExtension->iCallBackArray.Append( aCallBack ) )
-				{
-				return;
-				}
+            iMsgQueryExtension->iCallBackArray.Append( aCallBack );                
             }
         }         
     else if ( iMsgQueryExtension->iLinkCount < KMaxLinks ) 
@@ -365,10 +299,7 @@
         else
             {
             // SetLink creates new callback in the callback array for the new link
-            if ( KErrNone != iMsgQueryExtension->iCallBackArray.Append( aCallBack ) )
-            	{
-            	return;
-            	}
+            iMsgQueryExtension->iCallBackArray.Append( aCallBack );
                 
             // If the other method SetLinkText has been already called 
             // the new link is finished by adding the link count
@@ -424,7 +355,6 @@
 
 EXPORT_C void CAknMessageQueryDialog::PreLayoutDynInitL()
     {
-    _AKNTRACE_FUNC_ENTER;
     if ( !iMsgQueryExtension )
         {
         CreateExtensionL();
@@ -495,7 +425,6 @@
         headingPane->SetLayout(CAknPopupHeadingPane::EMessageQueryHeadingPane); // Use message query heading layout.    
         headingPane->SetTouchObserver( iMsgQueryExtension );
         }
-    _AKNTRACE_FUNC_EXIT;
     }
 
    
@@ -697,7 +626,7 @@
             }
         delete messageBuf;
         }      
-     iMsgQueryExtension->iFormatTextLocationArray.AppendL( linkTextLocation );         
+     iMsgQueryExtension->iFormatTextLocationArray.Append( linkTextLocation );         
      return ETrue;
     }
     
@@ -1057,22 +986,31 @@
     
 TBool CAknMessageQueryDialog::ExecuteLinkL()
     {
-	_AKNTRACE_FUNC_ENTER;
-	CAknMessageQueryControl* control = STATIC_CAST( CAknMessageQueryControl*, Control( EAknMessageQueryContentId ) );
+    CAknMessageQueryControl* control = STATIC_CAST( CAknMessageQueryControl*, Control( EAknMessageQueryContentId ) );
     if( !control )
         {
-		_AKNTRACE_FUNC_EXIT;
         return EFalse;
         }
     if( !control->LinkHighLighted() )
         {
-		_AKNTRACE_FUNC_EXIT;
         return EFalse;
         }
     TInt curLink = control->CurrentLink();
-    TRAP_IGNORE( iMsgQueryExtension->ExecuteLinkCallbackL( curLink ) );
-    control->DehighlightLink();
-    _AKNTRACE_FUNC_EXIT;
+    /**
+    * The local @c destroyed variable keeps track of the object destroyed state.
+    */
+    TBool destroyed = EFalse;
+    iMsgQueryExtension->iDestroyedPtr = &destroyed;
+    TRAPD( err, iMsgQueryExtension->iCallBackArray[curLink].CallBack() );
+    if ( !destroyed )
+        {
+        iMsgQueryExtension->iDestroyedPtr = NULL;
+        }
+    User::LeaveIfError( err );
+    if ( !destroyed )
+        {
+        control->DehighlightLink();
+        }
     return ETrue;
     }