sl@0: // Copyright (c) 2004-2010 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __SCHTIMER_H__
sl@0: #define __SCHTIMER_H__
sl@0: 
sl@0: // System includes
sl@0: #include <e32base.h>
sl@0: 
sl@0: // Classes referenced
sl@0: class TTsTime;
sl@0: class CTaskScheduler;
sl@0: class CScheduleTimer;
sl@0: class CConditionManager;
sl@0: class TTaskSchedulerCondition;
sl@0: class CSchedule;
sl@0: 
sl@0: /**
sl@0: Defines the types of schedules changes (condition and/or a time)
sl@0: @internalComponent
sl@0: */
sl@0: enum TSchChangeType
sl@0: 	{
sl@0: 	//Update both condition and a time based schedule
sl@0: 	EConditionAndTime,
sl@0: 	
sl@0: 	//Update only time based schedule
sl@0: 	EOnlyTime,	
sl@0: 	};
sl@0: 
sl@0: // class CScheduleCriteriaManager
sl@0: // This class manages and determines when a schedule is due, based on 
sl@0: // either a set of condition and/or a time.  The conditions and time
sl@0: // are set and overridden via the ReplaceScheduleL method.
sl@0: NONSHARABLE_CLASS(CScheduleCriteriaManager) : public CActive
sl@0: 	{
sl@0: public:
sl@0: 	static CScheduleCriteriaManager* NewL(CTaskScheduler& aOwner);
sl@0: 	~CScheduleCriteriaManager();
sl@0: 
sl@0: public:	
sl@0: 	void ReplaceScheduleL(CSchedule& aSchedule, TSchChangeType aSchChange = EConditionAndTime, TBool aNotFirstTime = EFalse);
sl@0: 	void ReplaceScheduleL(const TTsTime& aNextTime, 
sl@0: 						TInt aSchedule);
sl@0: 	void RemoveSchedule(TInt aSchedule);
sl@0: 	void DueSchedule(TInt aScheduleHandle);
sl@0: 
sl@0: private:
sl@0: 	CScheduleCriteriaManager(CTaskScheduler& aOwner);
sl@0: 	// From CActive
sl@0: 	void RunL();
sl@0:     void DoCancel();
sl@0:     TInt RunError(TInt aError);
sl@0: 	
sl@0: private:
sl@0: 	void CompleteRequest();
sl@0: 	// Timer handling
sl@0: 	void RemoveTimer(CScheduleTimer* aTimer);		
sl@0: 	void RemoveTimers();
sl@0: 	CScheduleTimer* Find(TInt aSchedule);		
sl@0: 	// Condtion handling
sl@0: 	void RemoveCondition(CConditionManager* aTimer);		
sl@0: 	void RemoveConditions();
sl@0: 	CConditionManager* FindCondition(TInt aSchedule);		
sl@0: 
sl@0: private:
sl@0: 	CTaskScheduler& iTaskScheduler;
sl@0: 	TSglQue<CScheduleTimer> iTimers;
sl@0: 	TSglQue<CConditionManager> iConditions;
sl@0: 	TInt iDueScheduleHandle;
sl@0: 	};
sl@0: 
sl@0: #endif