author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:21:33 +0300 | |
branch | RCL_3 |
changeset 25 | 7333d7932ef7 |
parent 0 | ba25891c3a9e |
child 26 | 8b7f4e561641 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* SWIS uninstall state machine |
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* |
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*/ |
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|
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|
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/** |
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@file |
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@internalComponent |
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*/ |
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|
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#ifndef __SWIS_UNINSTALLMACHINE_H__ |
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#define __SWIS_UNINSTALLMACHINE_H__ |
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|
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#include "statemachine.h" |
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|
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namespace Swi |
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{ |
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class CUninstallationProcessor; |
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class CUninstallationPlanner; |
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class CSisRegistryPackage; |
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class CPlan; |
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|
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/** |
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* State machine implementation for uninstallation. Handles interactions |
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* between UISS, Installation Planner, and Integrity Support. |
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* |
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* @internalComponent |
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* @released |
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*/ |
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class CUninstallMachine : public CSwisStateMachine |
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{ |
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public: |
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/** |
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* Base class for all other uninstall states. Keeps a reference to the |
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* state machine object. |
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* |
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* @internalComponent |
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* @released |
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*/ |
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class TUninstallState : public CSwisStateMachine::TState |
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{ |
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public: |
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TUninstallState(CUninstallMachine& aUninstallMachine); |
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protected: |
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CUninstallMachine& iUninstallMachine; |
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}; |
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|
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/** |
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* This state calls the uninstall dialog to confirm uninstallation with |
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* the user. |
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*/ |
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class TConfirmationState : public TUninstallState |
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{ |
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public: |
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TConfirmationState(CUninstallMachine& aUninstallMachine); |
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virtual void EnterL(); |
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virtual TState* CompleteL(); |
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virtual TState* ErrorL(TInt aCode); |
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virtual void Cancel(); |
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}; |
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/** |
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* This state calls the planner to plan the uninstallation. |
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*/ |
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class TPlanUninstallationState : public TUninstallState |
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{ |
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public: |
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TPlanUninstallationState(CUninstallMachine& aUninstallMachine); |
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virtual void EnterL(); |
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virtual TState* CompleteL(); |
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virtual TState* ErrorL(TInt aCode); |
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virtual void Cancel(); |
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}; |
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|
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/** |
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* This state communicates with Integrity Support to carry out the plan. |
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* |
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* @internalComponent |
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* @released |
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*/ |
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class TIntegritySupportState : public TUninstallState |
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{ |
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public: |
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TIntegritySupportState(CUninstallMachine& aUninstallMachine); |
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virtual void EnterL(); |
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virtual TState* CompleteL(); |
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virtual TState* ErrorL(TInt aCode); |
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virtual void Cancel(); |
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}; |
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|
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/** |
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* This is the final state that is entered when uninstallation finishes. |
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* |
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* @internalComponent |
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* @released |
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*/ |
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class TFinalState : public TUninstallState |
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{ |
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public: |
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TFinalState(CUninstallMachine& aUninstallMachine); |
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virtual void EnterL(); |
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virtual TState* CompleteL(); |
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virtual TState* ErrorL(TInt aCode); |
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virtual void Cancel(); |
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}; |
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|
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/** |
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* This state registers to the SWI Observer and obtains the log file handle. |
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*/ |
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class TRegistrationState : public TUninstallState |
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{ |
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public: |
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TRegistrationState(CUninstallMachine& aUninstallMachine); |
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|
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virtual void EnterL(); |
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virtual TState* CompleteL(); |
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virtual TState* ErrorL(TInt aCode); |
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virtual void Cancel(); |
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}; |
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|
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// The friend declarations are needed to access state machine's members |
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// from the states. |
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friend class TRegistrationState; |
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friend class TConfirmationState; |
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friend class TPlanUninstallationState; |
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friend class TIntegritySupportState; |
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friend class TFinalState; |
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|
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CUninstallMachine(const RMessage2& aMessage); |
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|
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void ConstructL(); |
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public: |
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static CUninstallMachine* NewL(const RMessage2& aMessage); |
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|
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virtual ~CUninstallMachine(); |
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virtual TInt Start(); |
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|
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protected: |
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virtual TState* FirstState(); |
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virtual TState* ErrorOnStateEntryL(TInt aError); |
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|
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virtual void SignalCompletedL(); |
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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virtual void PostJournalFinalizationL(TInt aError); |
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#endif |
0
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|
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private: |
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// States |
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TRegistrationState iRegistrationState; |
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TConfirmationState iConfirmationState; |
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TPlanUninstallationState iPlanUninstallationState; |
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TIntegritySupportState iIntegritySupportState; |
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TFinalState iFinalState; |
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|
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// The rest |
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CUninstallationPlanner* iPlanner; |
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|
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CSisRegistryPackage *iPackage; // the package to uninstall |
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|
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CPlan* iPlan; ///< Created by planner |
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|
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CInstallationResult* iResult; |
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CUninstallationProcessor* iProcessor; ///< removes/unregisters etc. |
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}; // class CUninstallMachine |
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|
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} // namespace Swi |
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|
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#endif |