1 /*

     2 * Copyright (c) 2007 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: 

    15 *

    16 */

    17 

    18 

    19 #ifndef POWEROBSERVER_H

    20 #define POWEROBSERVER_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <etel3rdparty.h>

    25 #include <npscript.h>

    26 #include "SystemInfoObserver.h"

    27 

    28 // FORWARD DECLARATIONS

    29 class CSystemInfoPlugin;

    30 

    31 // CONSTANTS

    32 

    33 // State enum and member variable

    34 

    35 // CLASS DECLARATIONS

    36 /**

    37 *  CPowerObserver.

    38 *  Interface to information about power and battery.

    39 *  @lib npSystemInfoPlugin.lib

    40 *  @since S60 v3.2

    41 */

    42 NONSHARABLE_CLASS(CPowerObserver) : public CBase, public MSystemInfoObserverClient

    43     {

    44 public:

    45     /**

    46      * Two-phased constructor.

    47      */

    48     static CPowerObserver* NewL( CSystemInfoPlugin* aPlugin );

    49 

    50     /**

    51      * Destructor.

    52      */

    53     virtual ~CPowerObserver();

    54 

    55 public:

    56     enum TIdPowerItem

    57         {

    58         EIdBatteryInfo,

    59         EIdIndicator  // charger connected indicator

    60         };

    61 

    62     /**

    63      * Request power values change notification.

    64      * @since 3.2

    65      * @param name of the callback

    66      * @return void

    67      */

    68     void RequestNotificationL( TIdPowerItem aId, HBufC8* aFunctionName );

    69 

    70 public:

    71     /**

    72      * Called to get battery charge level.

    73      * @since 3.2

    74      * @param void

    75      * @return charge level

    76      */

    77     TInt ChargeLevel() const;

    78 

    79     /**

    80      * Called to get charger connected flag.

    81      * @since 3.2

    82      * @param void

    83      * @return 1 if charger connected, 0 if not connected

    84      */

    85     TInt ChargerConnected() const;

    86 

    87 public:

    88     // from MSystemInfoObserverClient

    89     virtual void SubscribeL( TInt aId, TRequestStatus& aStatus );

    90     virtual void UpdateL( TInt aId );

    91     virtual void Cancel( TInt aId );

    92     virtual void Close( TInt aId );

    93 

    94 private:

    95     /**

    96      * C++ default constructor.

    97      */

    98     CPowerObserver( CSystemInfoPlugin* aPlugin );

    99 

   100     /**

   101      * By default Symbian 2nd phase constructor is private.

   102      * @param none

   103      * @return void

   104      */

   105     void ConstructL();

   106 

   107 public:

   108     CSystemInfoPlugin* iSystemInfoPlugin;

   109     CTelephony* iTelephony; // owned

   110     CTelephony* iTelephony2; // owned

   111 

   112     // battery

   113     CTelephony::TBatteryInfoV1Pckg iBatteryInfoPckg;

   114     CTelephony::TBatteryInfoV1 iBatteryInfo;

   115     CSystemInfoObserver* iBatteryInfoObserver; // owned

   116     HBufC8* iBatteryInfoChangedFunction;

   117     TInt iBatteryInfoStarted;

   118 

   119     // charger

   120     CTelephony::TIndicatorV1Pckg iIndicatorPckg;

   121     CTelephony::TIndicatorV1 iIndicator;

   122     CSystemInfoObserver* iIndicatorObserver; // owned

   123     HBufC8* iIndicatorChangedFunction;

   124     TInt iIndicatorStarted;

   125    };

   126 

   127 #endif // POWEROBSERVER_H

   128 

   129 // End of File