--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/UIExtensionManager/inc/CPbk2UIExtensionLoader.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,101 @@
+/*
+* Copyright (c) 2002-2007 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:  Load UI extensions
+*
+*/
+
+
+#ifndef CPBK2UIEXTENSIONLOADER_H
+#define CPBK2UIEXTENSIONLOADER_H
+
+// INCLUDE FILES
+#include <e32base.h>
+#include <RPbk2LocalizedResourceFile.h>
+
+// FORWARD DECLARATIONS
+class CPbk2UIExtensionPlugin;
+class CPbk2UIExtensionInformation;
+/**
+ * Load UI extensions
+ */
+NONSHARABLE_CLASS(CPbk2UIExtensionLoader) : public CBase
+    {
+    public: // Construction and destruction
+
+        /**
+         * Returns a new instance of this class.
+         * @return A newly created object of this class.
+         */
+        static CPbk2UIExtensionLoader* NewL();
+
+        /**
+         * Destructor.
+         */
+        ~CPbk2UIExtensionLoader();
+
+    public: // Interface
+        /**
+         * Checks if the given plug-in implementation is loaded.
+         * @aImplementationUid Plug-in whose loading status to check
+         * @return ETrue if a plug-in with aImplementationUid is loaded,
+         *         EFalse otherwise.
+         */
+        TBool IsLoaded(TUid aImplementationUid);
+
+        /**
+         * Tries to load a plug-in with implementation UID aImplementationUid
+         * if it is not already loaded.
+         */
+        void EnsureLoadedL(TUid aImplementationUid);
+
+        /**
+         * Returns a loaded plug-in with implementation UID aImplementationUid
+         * if it exists, NULL otherwise.
+         * @param aImplementationUid Implementation UID of the plug-in that is searched.
+         * @return A oaded plug-in with implementation UID aImplementationUid
+         *         if it exists, NULL otherwise.
+         */
+        CPbk2UIExtensionPlugin* LoadedPlugin(TUid aImplementationUid) const;
+        
+        /**
+         * Returns an array of extension plugin information instances
+         * @return an array of extension plugin information instances
+         */
+        TArray<CPbk2UIExtensionInformation*> PluginInformation() const;
+        
+        /**
+         * Returns an array of loaded plugins.
+         * @return an array of loaded plugins
+         */
+        TArray<CPbk2UIExtensionPlugin*> Plugins() const;
+
+    private: // Implementation
+        CPbk2UIExtensionLoader();
+        void ConstructL();
+        void LoadExtensionL(
+                TUid aImplementationUid );
+        void LoadStartUpExtensionsL();
+        TBool IsOkToLoadL(TUid aImplementationUid ); 
+
+    private: // Data
+        /// Own: Common extension resource file
+        RPbk2LocalizedResourceFile iCommonResourceFile;
+        /// Own: Array of loaded plug-ins.
+        RPointerArray<CPbk2UIExtensionPlugin> iPluginArray;
+        /// Own: Array of plug-in resources.
+        RPointerArray<CPbk2UIExtensionInformation> iPluginInformation;
+	};
+
+#endif // CPBK2UIEXTENSIONLOADER_H
+//End of file