--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/ssmpolicyplugins/ssmstatepolicybase/inc/ssmstatepolicybase.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 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: Declaration of CSsmStatePolicyBase class.
+*
+*/
+
+#ifndef C_SSMSTATEPOLICYBASE_H
+#define C_SSMSTATEPOLICYBASE_H
+
+#include <ssm/ssmstatepolicy.h>
+
+#include "ssmpolicybase.h"
+
+/**
+*  Base class for SSM state policy plugins
+*
+*/
+class CSsmStatePolicyBase : public CSsmPolicyBase, public MSsmStatePolicy
+    {
+
+public:
+
+    /**
+    * First phase constructor.
+    */
+    IMPORT_C CSsmStatePolicyBase();
+
+    /**
+    * Destructor.
+    */
+    IMPORT_C virtual ~CSsmStatePolicyBase();
+
+protected: // From MSsmStatePolicy
+
+	/**
+    * This function is guaranteed to be called before this System State Policy
+    * is used. It is intended for e.g. opening resource files or if you need to
+    * initialize hardware or talk to a domestic OS.
+	*/
+    IMPORT_C virtual void Initialize( TRequestStatus& aStatus );
+
+	/**
+    * Used to inform the policy DLL to Cancel an asynchronous Initialize
+    * operation. Typically used to inform a MCommandListProvider that any open
+    * resource files should be closed.
+	*/
+    IMPORT_C virtual void InitializeCancel();
+
+	/**
+    * Used to determine if an incoming request should be accepted or rejected.
+	*
+	* @param aRequest Contains information about the new request
+	* @param aCurrent Contains NULL or the first accepted but not yet completed transition request
+	* @param aQueued Contains NULL or a second accepted but not yet started transition request
+    * @param aMessage Message sent by SSM server, used to check if the client has 'ECapabilityPowerMgmt'
+	* @return The decision
+	*/
+    IMPORT_C virtual TResponse TransitionAllowed(
+        const TSsmStateTransition& aRequest,
+        TSsmStateTransition const* aCurrent,
+        TSsmStateTransition const* aQueued,
+        const RMessagePtr2& aMessage );
+
+	/**
+    * Used to create the command list associated with a minor state transition.
+	*
+    * @param aState	Contains the state that identifies the command list to create
+	* @param aReason Contains the reason as given by the request
+	* @param aStatus to complete when the operation has finished
+	*/
+    IMPORT_C virtual void PrepareCommandList(
+        TSsmState aState,
+        TInt aReason,
+        TRequestStatus& aStatus );
+
+	/**
+    * Used to inform the policy DLL that the pending asynchronous
+    * PrepareCommandList operation needs to be cancelled.
+	*/
+    IMPORT_C virtual void PrepareCommandListCancel();
+
+	/**
+    * Used to retrieve the command list once the  PrepareCommandList has
+    * completed. Ownership of the returned command list is transferred to the
+    * caller.
+    *
+    * @return The command list created during the preceding PrepareCommandList step
+	*/
+    IMPORT_C virtual CSsmCommandList* CommandList();
+
+	/**
+    * It is expected that Release will usually just call "delete this" on the
+    * object, but this will depend on the implementation of each policy.
+	*/
+    IMPORT_C virtual void Release();
+
+protected:
+
+	/**
+    * Used to determine if an incoming request to change state should be accepted or rejected.
+	*/
+    virtual TBool IsAllowedTargetState( const TSsmStateTransition& aRequest ) const = 0;
+
+	/**
+    * On return contains target substate - modified or requested.
+	*/
+    virtual TUint16 TargetSubState( const TUint16 aRequestedSubState ) = 0;
+
+    };
+
+#endif // C_SSMSTATEPOLICYBASE_H