diff -r cad71a31b7fc -r e36f3802f733 srsf/vuiphandler/src/nssvoiceuipluginhandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/vuiphandler/src/nssvoiceuipluginhandler.cpp	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,327 @@
+/*
+* Copyright (c) 2005 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:  Implementation of VoiceUIPluginHandler
+*
+*/
+
+
+// INCLUDE FILES
+#include <ecom.h>
+#include <nssvuipf.hrh>
+#include "nssvoiceuipluginhandler.h" 
+#include "rubydebug.h"
+#include <nssvoicestatus.h>
+
+
+// CONSTANTS
+const TUid KEventPluginUid =  { KVuipfEventInterfaceUid };
+const TUid KActionPluginUid = { KVuipfExecutionInterfaceUid };
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::CNssVoiceUIPluginHandler
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CNssVoiceUIPluginHandler::CNssVoiceUIPluginHandler()
+    {
+    // nothing
+    }
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CNssVoiceUIPluginHandler::ConstructL()
+    {
+    LoadPluginsL();
+    }
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CNssVoiceUIPluginHandler* CNssVoiceUIPluginHandler::NewL()
+    {
+    RUBY_DEBUG_BLOCK( "CNssVoiceUIPluginHandler::NewL()" );
+    CNssVoiceUIPluginHandler* self = new( ELeave ) CNssVoiceUIPluginHandler;
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::~CNssVoiceUIPluginHandler
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CNssVoiceUIPluginHandler::~CNssVoiceUIPluginHandler()
+    {
+    UnloadPlugins();
+    RUBY_DEBUG0( "CNssVoiceUIPluginHandler::~CNssVoiceUIPluginHandler() end" );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::VoiceEvent
+// Handle voice event
+// -----------------------------------------------------------------------------
+//
+TInt CNssVoiceUIPluginHandler::VoiceEvent( TUid aEventUid ) 
+    {
+    RUBY_DEBUG1( "CNssVoiceUIPluginHandler::VoiceEvent(0x%x)", aEventUid.iUid );
+    CVoiceUiPluginBase* plugin = NULL;
+    CVoiceUiPluginBase* previousPlugin = NULL;
+    TInt highestPriority( KMinTInt );
+
+    RPointerArray<CVoiceUiPluginBase> usedPlugins;
+    // Select the suitable plug-in with highest priority
+    // In case of multiple plug-ins with same priority the first one is selected. 
+    
+    TInt status( KErrNoneEventNotConsumed );
+    
+    // execute plug-ins until the event has been successfully processed
+    while ( status != KErrNone )
+        {
+        
+        // Loop all plugins
+        for( TInt i( 0 ); i < iActionPlugins.Count(); i++ ) 
+            {
+            CVoiceUiPluginBase* tmpPlugin = iActionPlugins[i];
+     
+            // Loop all supported events in the plugin
+            for ( TInt j( 0 ); j < tmpPlugin->EventUids().Count(); j++ ) 
+                {
+                RUBY_DEBUG2( "VoiceEvent Comparing event uid [0x%x] against plugin's [0x%x]", 
+                             aEventUid.iUid, tmpPlugin->EventUids()[j].iUid );
+                             
+                TVuipPriority priority = tmpPlugin->Priority();
+                if ( tmpPlugin->EventUids()[j] == aEventUid 
+                    && priority > highestPriority )
+                    {
+                    
+                    // find the next plug-in in the order of priority
+                    TBool alreadyUsed( EFalse );
+                    TInt k( 0 );
+                    while( k < usedPlugins.Count() && !alreadyUsed )
+                        {
+                        if ( usedPlugins[k] == tmpPlugin )
+                            {
+                            alreadyUsed = ETrue;
+                            }
+                        k++;
+                        }
+
+                    if ( !alreadyUsed )
+                        {
+                        plugin = tmpPlugin;
+                        highestPriority = priority; 
+                        }
+                    }
+                }
+            }
+
+        if ( plugin && plugin != previousPlugin )
+            {
+            // execute a plug-in
+            status = plugin->Execute( aEventUid );
+            previousPlugin = plugin;
+            }
+        else
+            {
+            // all plug-ins checked -> exit loop
+            RUBY_DEBUG0( "No plugin for the event");
+            break;    
+            }
+        }
+        
+    
+    if ( status == KErrNoneForwardEvent )
+        {
+        status = KErrNoneEventNotConsumed;
+        }
+        
+    usedPlugins.Reset();
+    usedPlugins.Close();
+    return status;
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::LoadPluginsL
+// Loads plug-ins
+// -----------------------------------------------------------------------------
+//
+void CNssVoiceUIPluginHandler::LoadPluginsL() 
+    {
+    RUBY_DEBUG_BLOCK( "CNssVoiceUIPluginHandler::LoadPluginsL()" );
+    TInt i( 0 );
+    RImplInfoPtrArray eventPluginArray;
+    CleanupClosePushL( eventPluginArray );
+
+    REComSession::ListImplementationsL( KEventPluginUid, eventPluginArray );
+
+    RUBY_DEBUG1( "CNssVoiceUIPluginHandler::LoadPluginsL() found %i event plugins", 
+                 eventPluginArray.Count() );
+    // load event plug-ins
+    for ( i = 0; i < eventPluginArray.Count(); i++ )
+        {
+        // Get Uid of plug-in
+        TUid id = eventPluginArray[i]->ImplementationUid();
+      
+        // create plug-in
+        TUid dtorID;
+        CVoiceEventObserverPluginBase* tmpPlugin = NULL;
+        
+        TRAPD( error, 
+            tmpPlugin = 
+                reinterpret_cast<CVoiceEventObserverPluginBase*> 
+                ( REComSession::CreateImplementationL( id, dtorID ) ) );
+
+        if ( error == KErrNone )
+            {           
+            // initialize plug-in
+            TRAP( error, tmpPlugin->InitializeL( *this ) );
+            }
+            
+        if ( error == KErrNone )
+            {
+            error = iEventPlugins.Append( tmpPlugin );   
+            }
+            
+        if ( error == KErrNone )
+            {
+            error = iEventPluginDtorIds.Append( dtorID );
+            }
+           
+        if ( error != KErrNone )
+            {
+            REComSession::DestroyedImplementation( dtorID );
+            delete tmpPlugin;
+            tmpPlugin = NULL;
+            }
+
+        }
+
+    eventPluginArray.ResetAndDestroy();
+
+    CleanupStack::PopAndDestroy( &eventPluginArray );
+
+    RImplInfoPtrArray actionPluginArray;
+    CleanupClosePushL( actionPluginArray );    
+    REComSession::ListImplementationsL( KActionPluginUid, actionPluginArray );
+
+    RUBY_DEBUG1( "CNssVoiceUIPluginHandler::LoadPluginsL() found %i VUI plugins", 
+                 actionPluginArray.Count() );
+
+    // load action plug-ins
+    for ( i = 0; i < actionPluginArray.Count(); i++ )
+        {
+        // Get Uid of plug-in
+        TUid id = actionPluginArray[i]->ImplementationUid();
+      
+        // create plug-in
+        TUid dtorID;
+        CVoiceUiPluginBase* tmpPlugin = NULL;
+        
+        TRAPD( error, 
+            tmpPlugin = 
+                reinterpret_cast<CVoiceUiPluginBase*> 
+                ( REComSession::CreateImplementationL( id,dtorID ) ) );
+
+        if ( error == KErrNone )
+            {
+            // initialize plug-in
+            TRAP( error, tmpPlugin->InitializeL() );
+            }
+            
+        if ( error == KErrNone )
+            {
+            error = iActionPlugins.Append( tmpPlugin );
+            }
+        
+        if ( error == KErrNone )
+            {    
+            error = iActionPluginDtorIds.Append( dtorID );
+            }
+
+        if ( error != KErrNone )
+            {
+            REComSession::DestroyedImplementation( dtorID );
+            delete tmpPlugin;
+            tmpPlugin = NULL;
+            }
+        }
+
+    actionPluginArray.ResetAndDestroy();
+    CleanupStack::PopAndDestroy( &actionPluginArray );
+
+    }
+
+// -----------------------------------------------------------------------------
+// CNssVoiceUIPluginHandler::UnloadPlugins
+// Unloads plug-ins
+// -----------------------------------------------------------------------------
+//
+void CNssVoiceUIPluginHandler::UnloadPlugins() 
+    {
+    TInt i( 0 );
+    iEventPlugins.ResetAndDestroy();
+    iEventPlugins.Close();
+
+    // notify ecom
+    for ( i = 0; i < iEventPluginDtorIds.Count(); i++ )
+        {
+        REComSession::DestroyedImplementation( iEventPluginDtorIds[i] );
+        }
+
+    iEventPluginDtorIds.Close();
+    iActionPlugins.ResetAndDestroy();
+    iActionPlugins.Close();
+    
+    // notify ecom
+    for ( i = 0; i < iActionPluginDtorIds.Count(); i++ )
+        {
+        REComSession::DestroyedImplementation( iActionPluginDtorIds[i] );
+        }
+    iActionPluginDtorIds.Close();
+
+    // Release REComSession allocations.
+    REComSession::FinalClose(); 
+    }
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+// -----------------------------------------------------------------------------
+// For DLL goodness.
+// -----------------------------------------------------------------------------
+//
+#ifndef EKA2
+GLDEF_C TInt E32Dll( TDllReason /*aReason*/ )
+    {
+    return KErrNone;
+    }
+#endif
+
+// End of File