--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/psln/PslnFramework/src/PslnFWAppThemeHandler.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,293 @@
+/*
+* Copyright (c) 2005-2007 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:  Handles interface towards XUIKON, sets and gets theme information.
+*
+*/
+
+
+
+// INCLUDE FILES
+
+// Psln Framework
+#include    <PslnFWAppThemeHandler.h>
+#include    <MPslnFWAppThemeObserver.h>
+#include    "PslnXNClientLoader.h"
+
+// Constants
+#include    "PslnConst.h"
+#include    "PslnDebug.h"
+
+// Xuikon
+#include    <XnODT.h>
+
+#include    <AknEnv.h>
+
+// CONTANTS
+// Path to wrapper dll for XnClient.
+_LIT( KPslnXuikonClientLoaderName, 
+     "\\system\\libs\\PslnXNClientLoader.dll");
+
+// TYPE DEFINITIONS
+// Xuikon client loader.
+typedef TAny* (*NewXuikonClientL)();
+
+// -----------------------------------------------------------------------------
+// C++ constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CPslnFWAppThemeHandler::CPslnFWAppThemeHandler( 
+    MPslnFWAppThemeObserver& aObserver,
+    CArrayPtrFlat<CXnODT>& aApplicationSkinList ) : 
+    iObserver( aObserver ), iAppThemeList( &aApplicationSkinList )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CPslnFWAppThemeHandler::ConstructL()
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::ConstructL BEGIN");
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::ConstructL END");
+    }
+
+// -----------------------------------------------------------------------------
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPslnFWAppThemeHandler* CPslnFWAppThemeHandler::NewL
+    ( MPslnFWAppThemeObserver& aObserver,
+      CArrayPtrFlat<CXnODT>& aApplicationSkinList )
+    {
+    CPslnFWAppThemeHandler* self = 
+        new( ELeave ) CPslnFWAppThemeHandler( aObserver, aApplicationSkinList );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+
+// Destructor
+CPslnFWAppThemeHandler::~CPslnFWAppThemeHandler()
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler destructor BEGIN");
+    // deleting iXnClientLoader automatically cancels all existing fetches.
+    delete iXnClientLoader;
+    if( iXnClientDllLoaded )
+        {
+        iXnClientDll.Close();
+        }
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler destructor END");
+    // do not destroy iAppThemeList - it is owned by application.
+    }
+
+// -----------------------------------------------------------------------------
+// Collect application specific themes from server.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TXnServiceCompletedMessage CPslnFWAppThemeHandler::GetApplicationSkinsL( 
+    TUid aUid )
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::GetApplicationSkinsL BEGIN");
+    if ( !iXnClientLoader )
+        {
+        CreateXnClientL();
+        }    
+    // Remember to cancel first. CPslnFWAppThemeHandler only supports one 
+    // active request per application.
+    if ( iFetchOngoing )
+        {
+        return EXnServiceRequestError;
+        }
+
+    // Clear previous fetch first.
+    iFetchOngoing = ETrue;
+    if ( iAppThemeList )
+        {
+        iAppThemeList->ResetAndDestroy();
+        }
+
+    // Start looking for application skins.
+    CXnODT* odt = CreateODTFromAppUidLC( aUid );
+    TXnServiceCompletedMessage ret =
+        iXnClientLoader->GetListHeaders( *odt, *iAppThemeList ); 
+
+    if ( ret == EXnGetListHeadersSuccess )
+        {
+        // There are existing application specific skins. 
+        // Let's start looking for these.
+        iXnClientLoader->GetNextHeader();
+        }
+    else if ( ret == EXnGetListHeadersEmpty )
+        {
+        // There are no application specific skins now, but
+        // let's start to wait if some would appear later.
+        iXnClientLoader->GetNextHeader();
+        }
+    else if ( ret == EXnGetListHeadersFailed || ret == EXnServiceRequestError )
+        {
+        // Error.
+        PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::GetApplicationSkinsL Error");
+        }
+    else
+        {
+        PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::GetApplicationSkinsL Empty else");
+        }
+
+    CleanupStack::PopAndDestroy( odt );
+    return ret;
+    }
+
+// -----------------------------------------------------------------------------
+// Sets application specific theme.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TXnServiceCompletedMessage CPslnFWAppThemeHandler::SetApplicationSkinL( 
+    CXnODT& aThemeODT )
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::SetApplicationSkinL BEGIN");
+    if ( !iXnClientLoader )
+        {
+        CreateXnClientL();
+        }
+
+    CXnODT* odt = CXnODT::NewL();
+    CleanupStack::PushL( odt );
+
+    TXnServiceCompletedMessage ret = 
+        iXnClientLoader->SetActiveTheme( aThemeODT, *odt );
+
+    CleanupStack::PopAndDestroy( odt );
+    return ret;
+    }
+
+// -----------------------------------------------------------------------------
+// CPslnFWAppThemeHandler::CancelGetApplicationSkins
+// 
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CPslnFWAppThemeHandler::CancelGetApplicationSkins()
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::CancelGetApplicationSkins BEGIN");
+    iFetchOngoing = EFalse;
+    if ( iXnClientLoader )
+        {
+        iXnClientLoader->CancelGetListHeaders(); 
+        }   
+    }
+
+EXPORT_C TXnServiceCompletedMessage CPslnFWAppThemeHandler::SetApplicationSkinAndExitL( 
+    CXnODT& aThemeODT )
+    {
+    TXnServiceCompletedMessage ret = SetApplicationSkinL( aThemeODT );
+    if ( ret ==  EXnSetActiveThemeSuccess )
+        {
+        CAknEnv::RunAppShutter();
+        }    
+    return ret;
+    }
+
+// -----------------------------------------------------------------------------
+// Xuikon theme manager callback.
+// -----------------------------------------------------------------------------
+//
+void CPslnFWAppThemeHandler::HandleXnClientMessage( 
+    TXnServiceCompletedMessage aMessage )
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::HandleXnClientMessage BEGIN");   
+    switch ( aMessage )
+        {
+        case EXnGetListHeadersEmpty:
+            // notify client that there are no themes available. 
+            // Destroy possible previously available skins
+            iObserver.HandleMessage( aMessage );
+            if ( iAppThemeList )
+                {
+                iAppThemeList->ResetAndDestroy();
+                }
+            break;
+        case EXnGetListHeadersFailed:
+            // notify client that observation has been stopped
+            iObserver.HandleMessage( aMessage );
+            CancelGetApplicationSkins();
+            break;
+        case EXnServiceRequestCanceled:
+        case EXnServiceRequestError:
+            // notify client about possible error cause.
+            iObserver.HandleMessage( aMessage );
+            break;
+        case EXnGetListHeadersUpdate:
+            // give the client the new list.
+            // Fall through
+        case EXnGetListHeadersRestart:
+            // notify client that old list is now not valid, and the new list needs to
+            // be used.
+            // Fall through
+        default:
+            iObserver.HandleMessage( aMessage, *iAppThemeList );
+            break;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// Creates ODT based on application UID. 
+// 
+// -----------------------------------------------------------------------------
+//
+CXnODT* CPslnFWAppThemeHandler::CreateODTFromAppUidLC( TUid aUid )
+    {
+    PSLN_TRACE_DEBUG("CPslnFWAppThemeHandler::CreateODTFromAppUidLC BEGIN");
+    CXnODT* odt = CXnODT::NewL();
+    CleanupStack::PushL( odt );
+    odt->SetAppUid( aUid.iUid ); // the UID of the application
+    odt->SetProviderUid( Nokia_VID ); // all provided by Nokia
+    return odt;
+    }
+
+// -----------------------------------------------------------------------------
+// Creates XUIKON Client interface.
+// 
+// -----------------------------------------------------------------------------
+//
+void CPslnFWAppThemeHandler::CreateXnClientL()
+    {    
+    // Xuikon Client dll loading.
+    if( !iXnClientDllLoaded )
+        {
+        if( iXnClientDll.Load( KPslnXuikonClientLoaderName ) == KErrNone )
+            {
+            iXnClientDllLoaded = ETrue;
+            // Request the entry function
+            NewXuikonClientL xuikonClient = 
+                (NewXuikonClientL) iXnClientDll.Lookup( KPslnDllEntryPoint );
+            if( xuikonClient )
+                {
+                // Create the class
+                iXnClientLoader = 
+                    (CPslnXNClientLoader*) (*xuikonClient)();
+                }
+            }
+        }
+    // The wrapper failed to load.
+    if ( !iXnClientLoader )
+        {
+        User::Leave( KErrNotFound );
+        }
+    iXnClientLoader->CreateClientL( *this );
+    }
+//  End of File