sysstatemgmt/systemstatemgr/ssm/inc/ssmstatepolicyframe.h
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/ssm/inc/ssmstatepolicyframe.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,72 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+
+#ifndef __SSMSTATEPOLICYFRAME_H__
+#define __SSMSTATEPOLICYFRAME_H__
+
+#include <e32base.h>
+#include <ssm/ssmstatepolicy.h>
+
+class CSsmCommandList;
+class TSsmState;
+class TSsmStateTransition;
+
+/**
+This class owns the MSsmStatePolicy instance created from the System State Policy DLL.
+Its main purpose is to construct and delete the MSsmStatePolicy object, and to guarantee 
+correctness from the CSsmStateTransitionEngine.
+@internalComponent
+@released
+*/
+class CSsmStatePolicyFrame : public CBase
+  	{
+public:
+	static CSsmStatePolicyFrame* NewL(TLibraryFunction aNewLFunc);
+	CSsmStatePolicyFrame(MSsmStatePolicy* aStatePolicy);
+	~CSsmStatePolicyFrame();
+
+	TUint16 StatePolicyId() const;
+	void SetStatePolicyId(TUint16 aMainState);
+	inline TBool Initialized() const { return iInitializeCalled; }
+	
+	void CallInitialize(TRequestStatus& aStatus);
+	void CallInitializeCancel();
+	MSsmStatePolicy::TResponse CallTransitionAllowed(const TSsmStateTransition& aRequest, TSsmStateTransition const* aCurrent, TSsmStateTransition const* aQueued, const RMessagePtr2& aMessage);
+	void CallPrepareCommandList(TSsmState aTargetState, TInt aReason, TRequestStatus& aStatus);
+	void CallPrepareCommandListCancel();
+	CSsmCommandList* CallCommandList();
+	TBool CallGetNextState(TSsmState aCurrentTransition, TInt aReason, TInt aError, TInt aSeverity, TSsmState& aNextState);
+
+private:
+	CSsmStatePolicyFrame();
+	void ConstructL(TLibraryFunction aNewLFunc);
+	
+private:				
+	enum TInternalActions
+		{
+		EInitialize,
+		EPrepare,
+		EGet,
+		ENext
+		};
+	/** the policy that has been loaded */
+	MSsmStatePolicy* iStatePolicy;
+	/** used to track the internal state of the object for extra integrity */
+	TInternalActions iNextAction;
+	TUint16 iStatePolicyId;
+	TBool iInitializeCalled;	
+	};
+	
+#endif