// Copyright (c) 2004-2010 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 __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();

     void DoCancel();

     TInt RunError(TInt aError);

 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