1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __SCHTIMER_H__

    17 #define __SCHTIMER_H__

    18 

    19 // System includes

    20 #include <e32base.h>

    21 

    22 // Classes referenced

    23 class TTsTime;

    24 class CTaskScheduler;

    25 class CScheduleTimer;

    26 class CConditionManager;

    27 class TTaskSchedulerCondition;

    28 class CSchedule;

    29 

    30 /**

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

    32 @internalComponent

    33 */

    34 enum TSchChangeType

    35 	{

    36 	//Update both condition and a time based schedule

    37 	EConditionAndTime,

    38 	

    39 	//Update only time based schedule

    40 	EOnlyTime,	

    41 	};

    42 

    43 // class CScheduleCriteriaManager

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

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

    46 // are set and overridden via the ReplaceScheduleL method.

    47 NONSHARABLE_CLASS(CScheduleCriteriaManager) : public CActive

    48 	{

    49 public:

    50 	static CScheduleCriteriaManager* NewL(CTaskScheduler& aOwner);

    51 	~CScheduleCriteriaManager();

    52 

    53 public:	

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

    55 	void ReplaceScheduleL(const TTsTime& aNextTime, 

    56 						TInt aSchedule);

    57 	void RemoveSchedule(TInt aSchedule);

    58 	void DueSchedule(TInt aScheduleHandle);

    59 

    60 private:

    61 	CScheduleCriteriaManager(CTaskScheduler& aOwner);

    62 	// From CActive

    63 	void RunL();

    64 	void DoCancel();

    65 	

    66 private:

    67 	void CompleteRequest();

    68 	// Timer handling

    69 	void RemoveTimer(CScheduleTimer* aTimer);		

    70 	void RemoveTimers();

    71 	CScheduleTimer* Find(TInt aSchedule);		

    72 	// Condtion handling

    73 	void RemoveCondition(CConditionManager* aTimer);		

    74 	void RemoveConditions();

    75 	CConditionManager* FindCondition(TInt aSchedule);		

    76 

    77 private:

    78 	CTaskScheduler& iTaskScheduler;

    79 	TSglQue<CScheduleTimer> iTimers;

    80 	TSglQue<CConditionManager> iConditions;

    81 	TInt iDueScheduleHandle;

    82 	};

    83 

    84 #endif