author | Simon Howkins <simonh@symbian.org> |
Mon, 22 Nov 2010 12:04:39 +0000 | |
branch | RCL_3 |
changeset 84 | e6c5e34cd9b9 |
parent 66 | 8b7f4e561641 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004-2010 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 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_STATEMACHINE_H__ |
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#define __SWIS_STATEMACHINE_H__ |
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|
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#include <e32std.h> |
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#include <e32base.h> |
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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#include <usif/sts/sts.h> |
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#include "registrywrapper.h" |
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#else |
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#include "integrityservices.h" |
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#include "sisregistrywritablesession.h" |
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#endif |
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#include "sishelperclient.h" |
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#include "sisuihandler.h" |
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#include "swi/sisinstallationresult.h" |
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#include "securitymanager.h" |
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#include "swiobserverclient.h" |
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|
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|
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namespace Swi |
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{ |
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class CPlan; |
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class CProgressBarValuePublisher; |
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/** Panic ID for panics raised in state machine */ |
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enum StateMachinePanic |
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{ |
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EStateError |
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}; |
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|
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/** |
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* State machine base absrtract class. A state machine in this implementation |
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* represents one task for SWIS (installation or uninstallation). |
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* |
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* @internalComponent |
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* @released |
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*/ |
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class CSwisStateMachine : public CActive |
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{ |
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public: |
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virtual ~CSwisStateMachine(); |
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virtual TInt Start(); |
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virtual void PostJournalFinalizationL(TInt aError); |
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/** |
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* Abstract base class for all states of a state machine. |
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* |
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* @internalComponent |
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* @released |
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*/ |
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class TState |
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{ |
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public: |
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virtual void EnterL()=0; |
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virtual TState* CompleteL()=0; |
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virtual TState* ErrorL(TInt aCode)=0; |
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virtual void Cancel()=0; |
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}; |
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|
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void CancelInstallation(); |
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|
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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// Returns the mode in which state machine operates on. |
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// Will return TRUE if it operates on component information extraction mode, |
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// FALSE when it operates on normal installtion/uninstallation mode ( By default ). |
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TBool IsInInfoMode(); |
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|
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// Sets the state machine to operate on information exteraction mode. |
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void SetIsInInfoMode(TBool aMode); |
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#endif |
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|
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protected: |
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CSwisStateMachine(const RMessage2& aMessage); |
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|
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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CSwisStateMachine(const RMessage2& aMessage,const TBool aInInfoMode); |
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#endif |
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|
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/** Must be called in derived classes */ |
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void ConstructL(); |
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void ChangeStateL(TState* aNextState); |
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inline TState* CurrentState(); |
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void SetNextState(TState* aNextState); |
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void CompleteSelf(); |
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void FinalizeJournalsL(TInt aError); |
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void CompleteClientL(TInt aError); |
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RUiHandler& UiHandler(); |
66 | 111 |
void SetFinalProgressBarValue(TInt aValue); |
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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Usif::RStsSession& TransactionSession(); |
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CRegistryWrapper& RegistryWrapper(); |
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// Is the state machine runs in information extraction mode or normal installation/uninstallation mode? |
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TBool iIsInInfoMode; |
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#else |
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CIntegrityServices& IntegrityServicesL(); |
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#endif |
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|
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virtual TState* FirstState()=0; |
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virtual TState* ErrorOnStateEntryL(TInt aError)=0; |
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|
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const RMessage2& Message() const; |
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|
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// These are overridden and used to signal the UI |
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virtual void SignalCompletedL()=0; |
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|
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// Used to do signalling to the UI, copes with the plan not having a valid |
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// TAppInfo yet |
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void HandleInstallationEventL(CPlan* plan, TInstallEvent aEvent, TInt aValue = 0); |
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RSwiObserverSession& Observer(); |
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private: |
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// from CActive |
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void RunL(); |
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TInt RunError(TInt aError); |
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void DoCancel(); |
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void InformUserOfFatalErrorL(TInt aError); |
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|
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#ifndef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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void ResetRegistryCache(void); |
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#endif |
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|
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protected: |
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// The confirmation state; where the user elects to go ahead with |
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// the installation/un-installation; has been entered. Therefore |
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// the registery MIGHT have been altered. |
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TBool iOperationConfirmed; |
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|
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private: |
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TState* iState; ///< Curent state |
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const RMessage2 iMessage; ///< Message to complete when done |
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RUiHandler iUiHandler; ///< UI handler server session |
66 | 154 |
CProgressBarValuePublisher* iProgressPublisher; ///< Pointer to the progress bar value publisher object.. |
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|
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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Usif::RStsSession iStsSession; ///< Transaction service session handle |
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CRegistryWrapper* iRegistryWrapper; ///< Registry wrapper to access the registry |
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#else |
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CIntegrityServices* iIntegrityServices; ///< Shared integrity services. |
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#endif |
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|
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TBool iCancelled; |
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RSwiObserverSession iObserver; ///< Swi Observer session handle. |
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}; // class CSwisStateMachine |
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|
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inline CSwisStateMachine::TState* CSwisStateMachine::CurrentState() |
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{ |
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return iState; |
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}; |
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|
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inline RUiHandler& CSwisStateMachine::UiHandler() |
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{ |
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return iUiHandler; |
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} |
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|
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inline const RMessage2& CSwisStateMachine::Message() const |
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{ |
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return iMessage; |
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} |
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|
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#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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inline Usif::RStsSession& CSwisStateMachine::TransactionSession() |
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{ |
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return iStsSession; |
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} |
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|
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inline CRegistryWrapper& CSwisStateMachine::RegistryWrapper() |
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{ |
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return *iRegistryWrapper; |
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} |
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#else |
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inline CIntegrityServices& CSwisStateMachine::IntegrityServicesL() |
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{ |
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if (!iIntegrityServices) |
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{ |
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User::Leave(KErrBadUsage); |
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} |
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|
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return *iIntegrityServices; |
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} |
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#endif |
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|
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inline RSwiObserverSession& CSwisStateMachine::Observer() |
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{ |
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return iObserver; |
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} |
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|
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} // namespace Swi |
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|
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#endif |