--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/authorisation/userpromptservice/inc_private/pluginmanager.h Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef PLUGINMANAGER_H
+#define PLUGINMANAGER_H
+
+namespace UserPromptService
+ {
+ class CPolicyEvaluator;
+ class CDialogCreator;
+ class CPolicyEvaluatorPlugin;
+ class CDialogCreatorPlugin;
+ class CPluginManager;
+
+ /**
+ Container class for a plug-in that notifies a manager object when
+ it is destroyed.
+ */
+ template <class T>
+ class CPlugin : public CBase
+ {
+ public:
+ CPlugin(CPluginManager* aManager, T* aImp);
+ T& Imp();
+ ~CPlugin();
+ private:
+ CPluginManager* iManager; ///< The plug-in manager that tracks active plug-ins.
+ T* iImp; ///< The policy evaluator or dialog creator owned by this object.
+ };
+
+ /**
+ Plug-in manager that tracks the number of plug-ins enabling REComSession::FinalClose()
+ to be deferred (after calling Unload) once all the plug-ins have been unloaded.
+
+ N.B. REComSession::FinalClose CANNOT be called from within an ECOM plug-in.
+ */
+ NONSHARABLE_CLASS(CPluginManager) : public CBase
+ {
+ template <class T> friend class CPlugin;
+ public:
+ IMPORT_C static CPluginManager* NewL();
+ IMPORT_C CPlugin<CPolicyEvaluator>* CreateEvaluatorL(const TUid& aEvaluatorId);
+ IMPORT_C CPlugin<CDialogCreator>* CreateDialogCreatorL(const TUid& aDialogCreatorId);
+ IMPORT_C void Unload();
+
+ ~CPluginManager();
+ public:
+ // For testing. Do not modify directly
+ TInt iPluginCount; ///< The number of active CPlugin objects. (do not modify)
+ private:
+ CPluginManager();
+ IMPORT_C void ReleasePlugin();
+
+ TBool iUnload; ///< Indicates that a deferred call to REComSession::FinalClose is required
+ };
+
+ template <class T>
+ inline CPlugin<T>::CPlugin(CPluginManager* aManager, T* aImp) : iManager(aManager), iImp(aImp)
+ /**
+ Constructor
+ @param aManager The plug-in manager that tracks the number of plug-ins in existance.
+ @param aImp The ECOM implementation that this class managers.
+ */
+ {
+ }
+
+ template <class T>
+ inline T& CPlugin<T>::Imp()
+ /**
+ Gets a reference to the plug-in implementation
+ @return The plug-in implementation.
+ */
+ {
+ return *iImp;
+ }
+
+ template <class T>
+ inline CPlugin<T>::~CPlugin()
+ /**
+ Destructor
+ */
+ {
+ delete iImp;
+ iManager->ReleasePlugin();
+ }
+ }
+#endif // PLUGINMANAGER_H