1 // Copyright (c) 2002-2009 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 the License "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\include\e32power.h

    15 // 

    16 //

    17 

    18 #ifndef __E32POWER_H__

    19 #define __E32POWER_H__

    20 

    21 #include <e32cmn.h>

    22 

    23 

    24 

    25 

    26 /**

    27 @publishedPartner

    28 @released

    29 

    30 System-wide power states

    31 */

    32 enum TPowerState

    33 	{

    34 	/** The system is fully operational; could be busy or idle */ 

    35 	EPwActive,

    36 	/** The system sleeps keeping the full memory state in RAM */ 

    37 	EPwStandby,

    38 	/** System is off; can go to active by rebooting only */

    39 	EPwOff,

    40 	/** The system restarts - i.e. switches off and then back on */

    41 	EPwRestart,

    42 	/** An integer that strictly greater of any legal power state value */

    43 	EPwLimit,

    44 	};

    45 

    46 

    47 

    48 

    49 /** 

    50 @publishedPartner

    51 @released

    52 

    53 User-level domain manager's interface to Kernel-level power management.

    54 */

    55 class Power

    56 

    57 	{

    58 public:

    59 	IMPORT_C static TInt EnableWakeupEvents(TPowerState);

    60 	IMPORT_C static void DisableWakeupEvents();

    61 	IMPORT_C static void RequestWakeupEventNotification(TRequestStatus&);

    62 	IMPORT_C static void CancelWakeupEventNotification();

    63 	IMPORT_C static TInt PowerDown();

    64 	};

    65 

    66 #endif

    67