diff -r 000000000000 -r 40261b775718 devsoundextensions/ciextnfactoryplugins/ciextnclientplugin/src/ciextnclientplugin.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsoundextensions/ciextnfactoryplugins/ciextnclientplugin/src/ciextnclientplugin.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,205 @@
+/*
+* Copyright (c) 2002-2008 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:   Class definition of plugin implementing devsound client
+*                custom interface extension.
+*
+*/
+
+
+
+// Include files
+#include "ciextnclientplugin.h"
+#include "citraces.h"
+#include <ecom.h>
+#include <cifactoryintfc.h>
+#include <cifactoryintfc.hrh>
+#include <mmf/common/mmfcontrollerpluginresolver.h>
+
+#define RET_ERR_IF_ERR(s) if(s!=KErrNone) return s
+
+// ---------------------------------------------------------------------------
+// Constructs and returns an application object.
+// ---------------------------------------------------------------------------
+//
+MDevSoundCIClientExtension* CCIExtnClientPlugin::NewL()
+    {
+    DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::NewL"));
+    CCIExtnClientPlugin* self = new (ELeave)CCIExtnClientPlugin;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    MDevSoundCIClientExtension* ptr = static_cast<MDevSoundCIClientExtension*>(self);
+    return ptr;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CCIExtnClientPlugin::~CCIExtnClientPlugin()
+    {
+    iMCIFactoryIntfcList.Close();
+    DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::~CCIExtnClientPlugin"));
+    }
+
+// ---------------------------------------------------------------------------
+// Called by framework when plugin is constructed
+// ---------------------------------------------------------------------------
+//
+TInt CCIExtnClientPlugin::Setup( MCustomCommand& aCustomCommand )
+    {
+    DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::Setup"));
+    TInt status(KErrNone);
+    iMCustomCommand = &aCustomCommand;
+    TRAP_IGNORE(InitializeFactoryPluginsL());
+    return status;
+    }
+
+// ---------------------------------------------------------------------------
+// Called by framework forwarding request to create a custom interface
+// ---------------------------------------------------------------------------
+//
+TInt CCIExtnClientPlugin::CustomInterfaceExtension( TUid aUid, TAny*& aInterface )
+    {
+    DEB_TRACE1(_L("*CI* CCIExtnClientPlugin::CustomInterfaceExtension 0x%x"), aUid.iUid);
+
+    TInt status(KErrNotFound);
+    aInterface = NULL;
+
+    // Forward request to each factory plugin in the list,
+    for ( TInt index = 0; index < iMCIFactoryIntfcList.Count(); index++ )
+        {
+        status = iMCIFactoryIntfcList[index]->CreateInterface( aUid, aInterface );
+        // The factory tried creating custom interface successfully or otherwise.
+        // stop forwarding the request to other factory plugins in the list.
+        // If the factory does not support a custom interface with aUid, it will
+        // return KErrNotFound
+        if ( status != KErrNotFound )
+            {
+            break;
+            }
+        }
+    return status;
+    }
+
+// ---------------------------------------------------------------------------
+// Called by framework when plugin is to be deleted
+// ---------------------------------------------------------------------------
+//
+void CCIExtnClientPlugin::Release()
+    {
+    DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::Release"));
+
+    for ( TInt index = 0; index < iMCIFactoryIntfcList.Count(); index++ )
+        {
+        iMCIFactoryIntfcList[index]->Close();
+        }
+
+    iMCIFactoryIntfcList.Reset();
+    iMCIFactoryIntfcList.Close();
+
+    REComSession::DestroyedImplementation(iDestructorKey);
+
+    delete this;
+    }
+
+// ---------------------------------------------------------------------------
+// Called by framework after plugin is created
+// ---------------------------------------------------------------------------
+//
+void CCIExtnClientPlugin::PassDestructorKey( TUid aDestructorKey )
+    {
+    iDestructorKey = aDestructorKey;
+    }
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CCIExtnClientPlugin::CCIExtnClientPlugin()
+    {
+    // No impl
+    }
+
+// ---------------------------------------------------------------------------
+// Second phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CCIExtnClientPlugin::ConstructL()
+    {
+    // No impl
+    }
+
+// ---------------------------------------------------------------------------
+// Initializes factory plugins list.
+// ---------------------------------------------------------------------------
+//
+void CCIExtnClientPlugin::InitializeFactoryPluginsL()
+    {
+    // 1. Query the implementation ids of plugins implementing
+    //    KUidCIFactoryIntfcInterface
+    // 2. Instantiate it and add it to the list of factories
+
+    DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::InitializeFactoryPluginsL"));
+
+    iMCIFactoryIntfcList.Reset();
+
+    RImplInfoPtrArray factoryEComUids;
+    CleanupResetAndDestroyPushL(factoryEComUids);
+
+    // List all the factory plugins
+    TUid factoryPluginInterfaceUid = {KUidCIFactoryIntfcInterface};
+    TEComResolverParams resParams;
+    REComSession::ListImplementationsL( factoryPluginInterfaceUid,  resParams, 
+                                        KRomOnlyResolverUid, factoryEComUids );
+
+    // Instantiate and add it to the list of factories
+    TUid destructorKey;
+    MCIFactoryIntfc* factoryPlugin(NULL);
+    TInt status(KErrNone);
+    for ( TInt index = 0; index < factoryEComUids.Count(); index++)
+        {
+        //<415-4087> TN: created with ImplementationUid - KRomOnlyResolverUid not used
+        TRAP( status ,
+              factoryPlugin = static_cast<MCIFactoryIntfc*>
+                                    (REComSession::CreateImplementationL(
+                                                        factoryEComUids[index]->ImplementationUid(),
+                                                        destructorKey ) ) );
+        // If there was problem instantiating factory plugin, continue trying
+        // next one.
+        if ( status != KErrNone)
+            {
+            DEB_TRACE1(_L("*CI* CCIExtnClientPlugin::InitializeFactoryPluginsL create failed status=%d"), status);
+            continue;
+            }
+
+        // Initialize the factory plugin
+        if ( factoryPlugin->Initialize( *iMCustomCommand, destructorKey ) == KErrNone )
+            {
+            status = iMCIFactoryIntfcList.Append(factoryPlugin);
+            if ( status != KErrNone )
+                {// There was problem adding plugin to list, there was a system
+                 // wide error. Stop trying and return error code.
+                factoryPlugin->Close();
+                User::Leave( status );
+                }
+            }
+        else
+            {// There was problem initializing the factory plugin instance, close
+             // it and continue instantiating the rest
+            factoryPlugin->Close();
+            }
+        }
+    CleanupStack::PopAndDestroy(&factoryEComUids);
+    }