// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

//

// WARNING: This file contains some APIs which are internal and are subject

//          to change without notice. Such APIs should therefore not be used

//          outside the Kernel and Hardware Services package.

//

#ifndef __DOMAIN_MANAGER_H__

#define __DOMAIN_MANAGER_H__

#include <e32std.h>

#include <domaindefs.h>

/**

@internalComponent

*/

#define KDmManagerFileNameLit	_L("domainSrv.exe")

/**

@internalComponent

*/

class RDmManagerSession : public RSessionBase

	{

public:

	TInt Connect();

	TInt Connect(TDmHierarchyId aHierarchyId);

	TInt ConnectObserver(TDmHierarchyId aHierarchyId);

	void RequestSystemTransition(TDmDomainState aState, TDmTraverseDirection aDirection, TRequestStatus& aStatus);

	void RequestDomainTransition(TDmDomainId, TDmDomainState, TDmTraverseDirection aDirection, TRequestStatus& aStatus);

	void CancelTransition();

	TInt AddDomainHierarchy(TDmHierarchyId aHierarchyId);

	TInt GetTransitionFailureCount();

	TInt GetTransitionFailures(RArray<const TTransitionFailure>& aTransitionFailures);

	// Observer related functions

	TInt StartObserver(TDmDomainId aDomainId,TDmNotifyType aNotifyType);

	void GetNotification(TRequestStatus& aStatus);

	TInt GetEventCount();

	TInt GetEvents(RArray<const TTransInfo>& aTransitions);

	void CancelObserver();

	TInt ObserverDomainCount();

	};

/**

@publishedPartner

@released

The policy's interface to the domain manager.

*/

class RDmDomainManager

	{

public:

	IMPORT_C static TInt WaitForInitialization();

public:

	IMPORT_C TInt Connect();

	IMPORT_C void Close();

	IMPORT_C void RequestSystemTransition(TPowerState aState, TRequestStatus& aStatus);

	IMPORT_C void RequestDomainTransition(TDmDomainId aDomain, TPowerState aState, TRequestStatus& aStatus);

	IMPORT_C void CancelTransition();

	IMPORT_C void SystemShutdown();

	/**

	@internalAll

	*/

	IMPORT_C TInt Connect(TDmHierarchyId aHierarchyId);

	/**

	@internalAll

	*/

	IMPORT_C void RequestSystemTransition(TDmDomainState aState, TDmTraverseDirection aDirection, TRequestStatus& aStatus);

	/**

	@internalAll

	*/

	IMPORT_C void RequestDomainTransition(TDmDomainId aDomain, TDmDomainState aState, TDmTraverseDirection aDirection, TRequestStatus& aStatus);

	/**

	@internalAll

	*/

	IMPORT_C static TInt AddDomainHierarchy(TDmHierarchyId aHierarchyId);

	/**

	@internalAll

	*/

	IMPORT_C TInt GetTransitionFailures(RArray<const TTransitionFailure>& aTransitionFailures);

	/**

	@internalAll

	*/

	IMPORT_C TInt GetTransitionFailureCount();

private:

	RDmManagerSession	iSession;

	};

/**

@internalComponent

An abstract class to allow a domain controller to interface to the domain manager.

To make use of this class an application must derive from it and implement a RunL() 

method to handle notifications.

After the derived class has been instantiated, it must call ConstructL().

*/

class CDmDomainManager : public CActive

	{

public:

	IMPORT_C CDmDomainManager(TDmHierarchyId aHierarchyId);

	IMPORT_C ~CDmDomainManager();

	IMPORT_C void RequestSystemTransition(TDmDomainState aState, TDmTraverseDirection aDirection);

	IMPORT_C void RequestDomainTransition(TDmDomainId aDomainId, TDmDomainState aState, TDmTraverseDirection aDirection);

	IMPORT_C static TInt AddDomainHierarchy(TDmHierarchyId aHierarchyId);

	IMPORT_C TInt GetTransitionFailures(RArray<const TTransitionFailure>& aTransitionFailures);

	IMPORT_C TInt GetTransitionFailureCount();

	virtual void RunL() = 0;

protected:

	// from CActive

	IMPORT_C void DoCancel();

	IMPORT_C void ConstructL();

private:

	RDmDomainManager iManager;

	TDmHierarchyId iHierarchyId;

	TInt iReserved[4];	

	};

#endif