TB9.2 Example Applications: examples/AppFramework/ssmanager/policies/sysstates/gsastatepolicynormal.h Source File

00001 //
+00002 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+00003 // All rights reserved.
+00004 // This component and the accompanying materials are made available
+00005 // under the terms of "Eclipse Public License v1.0"
+00006 // which accompanies this distribution, and is available
+00007 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
+00008 //
+00009 // Initial Contributors:
+00010 // Nokia Corporation - initial contribution.
+00011 //
+00012 // Contributors:
+00013 //
+00014 // Description: 
+00015 // Extends the GSA (Generic Startup Architecture) normal policy to  
+00016 // to support the dummy backup and restore states added as part of this example. 
+00017 // The example uses this extended normal state, which replaces the existing normal policy.
+00018 
+00019 #ifndef __GSASTATEPOLICYNORMAL_H__
+00020 #define __GSASTATEPOLICYNORMAL_H__
+00021 
+00022 #include <e32base.h>
+00023 #include <ssm/ssmstatepolicy.h>
+00024 #include <ssm/ssmconditionalcallback.h>
+00025 
+00026 class CSsmCommandListResourceReader;
+00027 
+00036 NONSHARABLE_CLASS(CEgGsaStatePolicyNormal) : public CBase, public MSsmStatePolicy, public MSsmConditionalCallback
+00037         {
+00038 public:
+00039         IMPORT_C static MSsmStatePolicy* NewL();
+00040 
+00041         //from MSsmStatePolicy
+00042         TResponse TransitionAllowed(const TSsmStateTransition& aRequest, TSsmStateTransition const* aCurrent, TSsmStateTransition const* aQueued, 
+00043                                                                 const RMessagePtr2& aMessage);
+00044         void Initialize(TRequestStatus& aStatus);
+00045         void InitializeCancel();
+00046         void PrepareCommandList(TSsmState aState, TInt aReason, TRequestStatus& aStatus);
+00047         void PrepareCommandListCancel();
+00048         CSsmCommandList* CommandList();
+00049         TBool GetNextState(TSsmState aCurrentTransition, TInt aReason, TInt aError, TInt aSeverity, TSsmState& aNextState);
+00050         void Release();
+00051 
+00052         // from MSsmConditionalCallback
+00053         TBool ConditionalCommandAllowedL(CResourceFile& aResourceFile, TInt aResourceId);
+00054         
+00055 private:
+00056         ~CEgGsaStatePolicyNormal();
+00057         CEgGsaStatePolicyNormal();
+00058 
+00059         void ConstructL();
+00060         TBool TransitionSupported(const TSsmState& aRequestedState) const;
+00061 
+00062 private:
+00063         RArray<TSsmState> iCurrentlySupportedTransitions;       
+00064         CSsmCommandListResourceReader* iCommandListResourceReader;
+00065         RFs iFs;
+00066 
+00067         // Possible panic codes within Normal policy
+00068         enum TNormalPanicCodes
+00069                 {
+00073                 EInvalidResourceReader = 1,
+00077                 EInvalidNormalState,
+00081                 EConditionalInfoNotImplemented
+00082                 };
+00083         };
+00084 
+00085 #endif  // __GSASTATEPOLICYNORMAL_H__
+