1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __GSASTATEPOLICYNORMAL_H__

    17 #define __GSASTATEPOLICYNORMAL_H__

    18 

    19 #include <e32base.h>

    20 #include <ssm/ssmstatepolicy.h>

    21 #include <ssm/ssmconditionalcallback.h>

    22 #include <ssm/conditionevaluate.h>

    23 

    24 class CSsmCommandListResourceReader;

    25 

    26 /**

    27 Normal state policy plug-in for GSA. This is a polymorphic dll.

    28 Implements MSsmStatePolicy to initialize, prepare and return command list using CSsmCommandListResourceReader.

    29 Implements MSsmConditionalCallback to decide whether to include a command in a command list or not.

    30 

    31 @internalComponent

    32 @released

    33 @see MSsmStatePolicy

    34 @see MSsmConditionalCallback

    35 */

    36 NONSHARABLE_CLASS(CGsaStatePolicyNormal) : public CBase, public MSsmStatePolicy, public MSsmConditionalCallback

    37 	{

    38 public:

    39 	IMPORT_C static MSsmStatePolicy* NewL();

    40 

    41 	//from MSsmStatePolicy

    42 	TResponse TransitionAllowed(const TSsmStateTransition& aRequest, TSsmStateTransition const* aCurrent, TSsmStateTransition const* aQueued, 

    43 								const RMessagePtr2& aMessage);

    44 	void Initialize(TRequestStatus& aStatus);

    45 	void InitializeCancel();

    46 	void PrepareCommandList(TSsmState aState, TInt aReason, TRequestStatus& aStatus);

    47 	void PrepareCommandListCancel();

    48 	CSsmCommandList* CommandList();

    49 	TBool GetNextState(TSsmState aCurrentTransition, TInt aReason, TInt aError, TInt aSeverity, TSsmState& aNextState);

    50 	void Release();

    51 

    52 	// from MSsmConditionalCallback

    53 	TBool ConditionalCommandAllowedL(CResourceFile& aResourceFile, TInt aResourceId);

    54 	

    55 private:

    56 	~CGsaStatePolicyNormal();

    57 	CGsaStatePolicyNormal();

    58 

    59 	void ConstructL();

    60 	TBool TransitionSupported(const TSsmState& aRequestedState) const;

    61 

    62 private:

    63 	RArray<TSsmState> iCurrentlySupportedTransitions;	

    64 	CSsmCommandListResourceReader* iCommandListResourceReader;

    65 	RFs iFs;

    66 	//CConditionEvaluate is created and used only when patchable constant KSsmGracefulOffline is enabled

    67 	CConditionEvaluate *iEvaluator;

    68 

    69 	// Possible panic codes within Normal policy

    70 	enum TNormalPanicCodes

    71 		{

    72 		/**

    73 		 Panic when command list resource reader is NULL

    74 		*/

    75 		EInvalidResourceReader = 1,

    76 		/**

    77 		 Panic when Main state supplied is not 'ESsmNormal'

    78 		*/

    79 		EInvalidNormalState,

    80 		/**

    81 		 Panic when ConditionalCommandAllowedL is called for a command which hasn't implemented conditional_information

    82 		*/

    83 		EConditionalInfoNotImplemented

    84 		};

    85 	};

    86 

    87 #endif	// __GSASTATEPOLICYNORMAL_H__