// 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 __SCHTIMER_H__

#define __SCHTIMER_H__

// System includes

#include <e32base.h>

// Classes referenced

class TTsTime;

class CTaskScheduler;

class CScheduleTimer;

class CConditionManager;

class TTaskSchedulerCondition;

class CSchedule;

/**

Defines the types of schedules changes (condition and/or a time)

@internalComponent

*/

enum TSchChangeType

	{

	//Update both condition and a time based schedule

	EConditionAndTime,

	//Update only time based schedule

	EOnlyTime,	

	};

// class CScheduleCriteriaManager

// This class manages and determines when a schedule is due, based on 

// either a set of condition and/or a time.  The conditions and time

// are set and overridden via the ReplaceScheduleL method.

NONSHARABLE_CLASS(CScheduleCriteriaManager) : public CActive

	{

public:

	static CScheduleCriteriaManager* NewL(CTaskScheduler& aOwner);

	~CScheduleCriteriaManager();

public:	

	void ReplaceScheduleL(CSchedule& aSchedule, TSchChangeType aSchChange = EConditionAndTime, TBool aNotFirstTime = EFalse);

	void ReplaceScheduleL(const TTsTime& aNextTime, 

						TInt aSchedule);

	void RemoveSchedule(TInt aSchedule);

	void DueSchedule(TInt aScheduleHandle);

private:

	CScheduleCriteriaManager(CTaskScheduler& aOwner);

	// From CActive

	void RunL();

private:

	void CompleteRequest();

	// Timer handling

	void RemoveTimer(CScheduleTimer* aTimer);		

	void RemoveTimers();

	CScheduleTimer* Find(TInt aSchedule);		

	// Condtion handling

	void RemoveCondition(CConditionManager* aTimer);		

	void RemoveConditions();

	CConditionManager* FindCondition(TInt aSchedule);		

private:

	CTaskScheduler& iTaskScheduler;

	TSglQue<CScheduleTimer> iTimers;

	TSglQue<CConditionManager> iConditions;

	TInt iDueScheduleHandle;

	};

#endif