1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Declaration of the DWlanPowerHandler class.

    15 *

    16 */

    17 

    18 /*

    19 * %version: 6 %

    20 */

    21 

    22 #ifndef D_WLANPOWERHANDLER_H

    23 #define D_WLANPOWERHANDLER_H

    24 

    25 #include <kpower.h> 

    26 

    27 class MWlanPowerIndicator;

    28 

    29 /**

    30 *  Power handler which listens to Power Manager instructions

    31 *

    32 *  @since S60 v3.1

    33 */

    34 class DWlanPowerHandler : public DPowerHandler

    35     {

    36     

    37 public:

    38 

    39     /**

    40     * Constructor.

    41     *

    42     * @since S60 3.1

    43     * @param aWlanLdd The indicator interface class

    44     */

    45     explicit DWlanPowerHandler( 

    46         MWlanPowerIndicator& aWlanLdd,

    47         TDynamicDfcQue& aDfcQ );

    48 

    49     /**

    50     * Destructor.

    51     *

    52     * @since S60 3.1

    53     */

    54     virtual ~DWlanPowerHandler();

    55 

    56     /**

    57     * Power Down DFC function

    58     */

    59     static void PowerDownDfcFn( TAny *aPtr );        

    60 

    61     /**

    62     * Power Up DFC function

    63     */

    64     static void PowerUpDfcFn( TAny *aPtr );

    65 

    66     /**

    67     * Called by power manager. Requests peripheral power down.

    68     *

    69     * @since S60 3.1

    70     */

    71     virtual void PowerDown( TPowerState );

    72 

    73     /**

    74     * Called by power manager. Notifies of system power up.

    75     *

    76     * @since S60 3.1

    77     */

    78     virtual void PowerUp();

    79 

    80     /**

    81     * Called when the device has been powered down. Informs the power

    82     * manager about that.

    83     *

    84     * @since S60 3.1

    85     */

    86     virtual void OnPowerDownDone();

    87 

    88     /**

    89     * Called when power up handling for the device has been done.

    90     * Informs the power manager about that.

    91     *

    92     * @since S60 3.1

    93     */

    94     virtual void OnPowerUpDone();

    95     

    96 private:

    97 

    98     /** Default C++ Ctor */

    99     DWlanPowerHandler();

   100 

   101     /**

   102     * Called by the Power Down DFC function. Triggers the actual

   103     * power down handling

   104     *

   105     * @since S60 3.1

   106     */

   107     void PowerDownOperation();

   108 

   109     /**

   110     * Called by the Power Up DFC function. Triggers the actual

   111     * power down handling

   112     *

   113     * @since S60 3.1

   114     */

   115     void PowerUpOperation();

   116 

   117     // Prohibit copy constructor

   118     DWlanPowerHandler( const DWlanPowerHandler& );

   119     // Prohibit assigment operator

   120     DWlanPowerHandler& operator= ( const DWlanPowerHandler& );

   121 

   122 private:    // Data

   123 

   124     /** Pointer to the indicator interface class. Not own */

   125     MWlanPowerIndicator* iWlanLdd;

   126     /** Power Up DFC object */

   127     TDfc iPowerUpDfc;

   128     /** Power Down DFC object */

   129     TDfc iPowerDownDfc;

   130     };

   131 

   132 #endif // D_WLANPOWERHANDLER_H