--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/nssvasapi/nssvasrecognition/src/nssvasctagselectnotification.cpp	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 2003-2006 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  The CNssTagSelectNotification class allows the client to
+*               register and deregister for a voice tag select event. 
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32std.h>
+#include "nssvasctagselectnotification.h"
+#include "nssvasmtagselecthandler.h"
+#include "nssvasctagselectdata.h"
+#include "rubydebug.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CNssTagSelectNotification* CNssTagSelectNotification::NewL()
+    {
+    // version of NewLC which leaves nothing on the cleanup stack
+    CNssTagSelectNotification* self=NewLC();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CNssTagSelectNotification* CNssTagSelectNotification::NewLC()
+    {
+    // NewLC with two stage construct
+    CNssTagSelectNotification* self=new (ELeave) CNssTagSelectNotification();
+    // get new, leave if can't
+    CleanupStack::PushL(self);
+    // push onto cleanup stack
+    // (in case self->ConstructL leaves)
+    self->ConstructL();      // use two-stage construct
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::~CNssTagSelectNotification
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CNssTagSelectNotification::~CNssTagSelectNotification()
+    {
+    RUBY_DEBUG0( "CNssTagSelectNotification::~CNssTagSelectNotification" );
+    
+    if ( iDBTagSelectNotifier ) 
+        {
+        iDBTagSelectNotifier->Deregister( this );
+        }
+    
+    if ( iTagSelectDataList )
+        {
+        iTagSelectDataList->ResetAndDestroy();
+        delete iTagSelectDataList;
+        }
+    CNssVASDBBuilder::RemoveInstance();  // remove iVasDBBuilder instance
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::RegisterL
+// Method to register for voice tag select notification.
+// -----------------------------------------------------------------------------
+//
+MNssTagSelectNotification::TNssSelectResult CNssTagSelectNotification::RegisterL(
+                                         MNssContext* aContext,
+                                         MNssTagSelectHandler* aTagSelectHandler )
+    {
+    RUBY_DEBUG_BLOCK( "CNssTagSelectNotification::RegisterL" );
+    
+    if ( iTagSelectDataList->Count() == 0 )
+        {
+        // register ourself
+        TInt dbErrorCode;
+        dbErrorCode = iDBTagSelectNotifier->RegisterForNotification( this );
+        if ( dbErrorCode != KErrNone )
+            {
+            return EVasSelectFailed;
+            }
+        }
+    CNssTagSelectData* tagSelectData = CNssTagSelectData::NewL( (CNssContext *) aContext,
+        aTagSelectHandler );
+    
+    CleanupStack::PushL(tagSelectData);  
+    iTagSelectDataList->AppendL( tagSelectData );
+    CleanupStack::Pop(tagSelectData);  // do not destroy tagSelectData; it is appended
+    return EVasErrorNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::Deregister
+// Method to deregister from voice tag select notification
+// -----------------------------------------------------------------------------
+//
+MNssTagSelectNotification::TNssSelectResult CNssTagSelectNotification::Deregister(
+                                          MNssContext* aContext,
+                                          MNssTagSelectHandler* aTagSelectHandler )
+    {
+    RUBY_DEBUG0( "CNssTagSelectNotification::Deregister" );
+   
+    // if there is no registration, fail the deregister
+    if ( iTagSelectDataList->Count() == 0 )
+        {
+        return EVasSelectFailed;
+        }
+    
+    // loop through the TagSelectDataList entries
+    // for each context match, check if the event handler also matches
+    // if yes, delete the entry
+    for ( TInt index=0; index < iTagSelectDataList->Count(); index++ )
+        {
+        
+        TBool match = CompareContexts( (CNssContext *) aContext, index );
+        
+        MNssTagSelectHandler* tagSelectHandler;
+        tagSelectHandler = iTagSelectDataList->At( index )->TagSelectHandler();
+        
+        if ( ( match == (TInt)ETrue ) &&
+            (aTagSelectHandler == tagSelectHandler))	
+            {
+            CNssTagSelectData* tagSelectData = iTagSelectDataList->At( index ); 
+            iTagSelectDataList->Delete( index ); 
+            delete tagSelectData;
+            break;  // exit the for loop
+            }
+        }
+    if ( iTagSelectDataList->Count() == 0 )
+        {
+        // deregister ourself
+        TInt dbErrorCode;
+        dbErrorCode = iDBTagSelectNotifier->Deregister( this );
+        if ( dbErrorCode != KErrNone )
+            {
+            RUBY_DEBUG0( "CNssTagSelectNotification, DBTagSelectNotifier->Deregister failed" );
+            }
+        }
+    return EVasErrorNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::HandleSelection
+// Method called into the client by CNssDBTagSelectNotifier
+// -----------------------------------------------------------------------------
+//
+void CNssTagSelectNotification::HandleSelection(CNssTag* aTag)
+    {
+    RUBY_DEBUG0( "CNssTagSelectNotification::HandleSelection" );
+
+    // loop through the TagSelectDataList entries
+    // for each context match, issue a HandleTagSelect response event
+    for ( TInt index=0; index < iTagSelectDataList->Count(); index++ )
+        {
+        TBool result = CompareContexts((CNssContext *)(aTag->Context()), index);
+        if ( result == (TInt)ETrue )
+            {
+            // make a copy of the tag for each client which registered for
+            // the context of aTag
+            // the client is responsible for deleting clientTag
+            CNssTag* clientTag=NULL; 
+            TRAPD( err, ( clientTag = aTag->CopyL() ) );
+            if ( err != KErrNone )
+                {
+                RUBY_DEBUG0( "CNssTagSelectNotification: TRAPD CNssTag CopyL failed" );
+                return;
+                }
+            
+            iTagSelectDataList->At( index )->TagSelectHandler()->
+                HandleTagSelect( (MNssTag*)clientTag );
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::CNssTagSelectNotification
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CNssTagSelectNotification::CNssTagSelectNotification()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CNssTagSelectNotification::ConstructL()
+    {	
+    iTagSelectDataList = new (ELeave) CArrayPtrFlat<CNssTagSelectData>(1);
+    
+    iVasDBBuilder = CNssVASDBBuilder::InstanceL();
+    
+    iDBTagSelectNotifier = iVasDBBuilder->GetTagSelectNotifier();
+    }
+
+// -----------------------------------------------------------------------------
+// CNssTagSelectNotification::CompareContexts
+// Method to compare a context with a TagSelectDataList entry context.
+// -----------------------------------------------------------------------------
+//
+TBool CNssTagSelectNotification::CompareContexts( CNssContext* aContext, TInt aIndex )
+    {
+    CNssContext* context;
+    context = iTagSelectDataList->At( aIndex )->Context();
+    
+    if ( context->ContextName().Compare( aContext->ContextName() )==0 )
+        {
+        return ETrue;
+        }
+    else
+        {
+        return EFalse;
+        }
+    }
+
+// End of file