--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bthid/manager/src/library.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,143 @@
+/*
+* Copyright (c) 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:  This is the implementation of application class
+*
+*/
+
+
+#include <e32std.h>
+#include <e32uid.h>
+#include <e32svr.h>
+#include <ecom/ecom.h>
+#include <ecom/implementationinformation.h>
+
+#include "hidinterfaces.h"
+#include "decode.h"
+#include "layout.h"
+#include "library.h"
+#include "debug.h"
+
+
+CLayoutLibrary* CLayoutLibrary::NewL()
+    {
+    CLayoutLibrary* self = new (ELeave) CLayoutLibrary;
+
+    // No two phase construction required
+
+    return self;
+    }
+
+CLayoutLibrary::CLayoutLibrary()
+        : iId(0), iLoaded(EFalse), iLayout(0)
+    {
+    // Nothing else to do
+    }
+
+CLayoutLibrary::~CLayoutLibrary()
+    {
+    TRACE_INFO( (_L("[HID]\t~CLayoutLibrary() 0x%08x"), this));
+    delete iLayout;
+    if (iLoaded)
+        {
+        iLoaded = EFalse;
+        iId = 0;
+        }
+    REComSession::FinalClose();
+    }
+
+// ----------------------------------------------------------------------
+
+TInt CLayoutLibrary::SetLayout(TInt aId)
+    {
+    TInt err = KErrNone;
+    TBool foundLayout = EFalse;
+
+    // Implementation info array
+    RImplInfoPtrArray implInfoArray;
+
+    TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: id=%d"), aId));
+
+    if( aId == iId )
+        {
+        TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: Same layout id=%d, don't load twice"), aId));
+        return KErrNone;
+        }
+
+    // Plain ignore is enough. If listing leaves, the array is just empty.
+    TRAP_IGNORE( REComSession::ListImplementationsL( KHidLayoutPluginInterfaceUid, implInfoArray ) );
+
+    TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: %d plugins listed"),implInfoArray.Count() ));
+
+    if ( 0 == implInfoArray.Count())
+        {
+        TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: No Drivers found")));
+        err = KErrNotFound;
+        }
+    else
+        {
+        for (TInt i=0; i<implInfoArray.Count() && !foundLayout; i++)
+            {
+            // parse implementation UID
+            CImplementationInformation* info = implInfoArray[ i ];
+            TUid implUid = info->ImplementationUid();
+            TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: load plugin 0x%08x"),implUid ));
+            // load driver
+            // Trap so other drivers will be enumerated even if
+            // this fails:
+            CHidLayoutPluginInterface* plugin = NULL;
+            TRAPD( err,
+                   plugin = CHidLayoutPluginInterface::NewL( implUid );
+                   TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: plugin loaded")));
+                 );
+
+            if( err == KErrNone)
+                {
+                CKeyboardLayout* layout = reinterpret_cast<CKeyboardLayout*>(plugin);
+                if (aId == layout->LayoutId())
+                    {
+                    TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: Found layout %d!"), aId));
+                    foundLayout = ETrue;
+                    // Swap the current layout object:
+                    CKeyboardLayout* tmpLayout = iLayout;
+                    iLayout = layout;
+                    iId = aId;
+                    iLoaded = ETrue;
+                    TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: delete old layout")));
+                    delete tmpLayout;
+                    }
+                else
+                    {
+                    TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: wrong layout, delete plugin")));
+                    delete plugin;
+                    }
+                }
+            else
+                {
+                TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: plugin creation failed")));
+                }
+            }// end of for loop
+        }
+
+    if( !foundLayout )
+        {
+        TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: NO PLUGIN FOUND")));
+        }
+    TRACE_INFO( (_L("[HID]\tCLayoutLibrary::SetLayout: Plugin listing ready, delete info array")));
+    implInfoArray.ResetAndDestroy();
+    implInfoArray.Close();
+    return err;
+    }
+
+// End of file
+