--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/swis/server/uninstallmachine.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,179 @@
+/*
+* Copyright (c) 2004-2009 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: 
+* SWIS uninstall state machine
+*
+*/
+
+
+/**
+ @file 
+ @internalComponent 
+*/
+
+#ifndef __SWIS_UNINSTALLMACHINE_H__
+#define __SWIS_UNINSTALLMACHINE_H__
+
+#include "statemachine.h"
+
+namespace Swi
+{
+class CUninstallationProcessor;
+class CUninstallationPlanner;
+class CSisRegistryPackage;
+class CPlan;
+
+/**
+ * State machine implementation for uninstallation. Handles interactions 
+ * between UISS, Installation Planner, and Integrity Support.
+ *
+ * @internalComponent
+ * @released
+ */
+class CUninstallMachine : public CSwisStateMachine
+	{
+public:
+	/**
+	 * Base class for all other uninstall states. Keeps a reference to the 
+	 * state machine object.
+	 *
+	 * @internalComponent
+	 * @released
+	 */
+	class TUninstallState : public CSwisStateMachine::TState
+		{
+	public:
+		TUninstallState(CUninstallMachine& aUninstallMachine);
+	protected:
+		CUninstallMachine& iUninstallMachine;
+		};
+	
+	/**
+	 * This state calls the uninstall dialog to confirm uninstallation with 
+	 * the user.
+	 */
+	class TConfirmationState : public TUninstallState
+		{
+	public:
+		TConfirmationState(CUninstallMachine& aUninstallMachine);
+		virtual void    EnterL();
+		virtual TState* CompleteL();
+		virtual TState* ErrorL(TInt aCode);
+		virtual void    Cancel();
+		};
+	
+	/**
+	 * This state calls the planner to plan the uninstallation.
+	 */
+	class TPlanUninstallationState : public TUninstallState
+		{
+	public:
+		TPlanUninstallationState(CUninstallMachine& aUninstallMachine);
+		virtual void    EnterL();
+		virtual TState* CompleteL();
+		virtual TState* ErrorL(TInt aCode);
+		virtual void    Cancel();
+		};
+	
+	/**
+	 * This state communicates with Integrity Support to carry out the plan.
+	 *
+	 * @internalComponent
+	 * @released
+	 */
+	class TIntegritySupportState : public TUninstallState
+		{
+	public:
+		TIntegritySupportState(CUninstallMachine& aUninstallMachine);
+		virtual void    EnterL();
+		virtual TState* CompleteL();
+		virtual TState* ErrorL(TInt aCode);
+		virtual void    Cancel();
+		};
+	
+	/**
+	 * This is the final state that is entered when uninstallation finishes.
+	 *
+	 * @internalComponent
+	 * @released
+	 */
+	class TFinalState : public TUninstallState
+		{
+	public:
+		TFinalState(CUninstallMachine& aUninstallMachine);
+		virtual void    EnterL();
+		virtual TState* CompleteL();
+		virtual TState* ErrorL(TInt aCode);
+		virtual void    Cancel();
+		};
+	
+	/**
+	 * This state registers to the SWI Observer and obtains the log file handle.
+	 */
+	class TRegistrationState : public TUninstallState
+		{
+	public:
+		TRegistrationState(CUninstallMachine& aUninstallMachine);
+
+		virtual void    EnterL();
+		virtual TState* CompleteL();
+		virtual TState* ErrorL(TInt aCode);
+		virtual void    Cancel();
+		};
+		
+	// The friend declarations are needed to access state machine's members 
+	// from the states.
+	friend class TRegistrationState;
+	friend class TConfirmationState;
+	friend class TPlanUninstallationState;
+	friend class TIntegritySupportState;
+	friend class TFinalState;
+
+	CUninstallMachine(const RMessage2& aMessage);
+	
+	void ConstructL();
+public:
+	static CUninstallMachine* NewL(const RMessage2& aMessage);
+	
+	virtual ~CUninstallMachine();
+	virtual TInt Start();
+	
+protected:
+	virtual TState* FirstState();
+	virtual TState* ErrorOnStateEntryL(TInt aError);
+
+	virtual void SignalCompletedL();
+
+private:
+	// States
+	TRegistrationState		 iRegistrationState;
+	TConfirmationState       iConfirmationState;
+	TPlanUninstallationState iPlanUninstallationState;
+	TIntegritySupportState   iIntegritySupportState;
+	TFinalState              iFinalState;
+	
+	// The rest
+	CUninstallationPlanner* iPlanner;
+	
+	CSisRegistryPackage *iPackage; // the package to uninstall
+
+	CPlan*     iPlan; ///< Created by planner
+
+	CInstallationResult*   iResult;
+	CUninstallationProcessor* iProcessor; ///< removes/unregisters etc.
+	}; // class CUninstallMachine
+
+} // namespace Swi
+
+#endif