1 /*

     2 * Copyright (c) 2004 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 "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:   Defines class CNcnSystemAgentObserver.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef NCNSYSTEMAGENTOBSERVER_H

    21 #define NCNSYSTEMAGENTOBSERVER_H

    22 

    23 //  INCLUDES

    24 #include    <e32base.h>

    25 #include    <savarset.h>       // RSAVarChangeNotify

    26 

    27 // CLASS DECLARATION

    28 class CNcnModelBase;

    29 

    30 /**

    31 *  Listens to the Phone idle status through the System Agent session.

    32 */

    33 class CNcnSystemAgentObserver : public CActive

    34     {

    35     public:  // Constructors and destructor

    36 

    37         /**

    38         * C++ default constructor.

    39         */

    40         CNcnSystemAgentObserver( CNcnModelBase* aModel );

    41 

    42         /**

    43         * Two-phased constructor.

    44         */

    45         static CNcnSystemAgentObserver* NewL( CNcnModelBase* aModel );

    46 

    47         /**

    48         * Destructor.

    49         */

    50         virtual ~CNcnSystemAgentObserver();

    51 

    52     public:

    53 

    54         /*

    55         * Through this System Agent is notified about state changes.

    56         */

    57         void NotifySystemAgent( const TUid& aVariable, const TInt aState );

    58 

    59         /**

    60         * By this method the user of this class orders the observer to start receiving events.

    61         */

    62         void IssueRequest();

    63 

    64     private:

    65 

    66         /**

    67         * By default Symbian OS constructor is private.

    68         */

    69         void ConstructL();

    70 

    71         // By default, prohibit copy constructor

    72         CNcnSystemAgentObserver( const CNcnSystemAgentObserver& );

    73         // Prohibit assigment operator

    74         CNcnSystemAgentObserver& operator= ( const CNcnSystemAgentObserver& );

    75 

    76         /**

    77         * Cancels the request.

    78         */

    79         void DoCancel();

    80 

    81         /**

    82         * Handles the event.

    83         */

    84         void RunL();

    85 

    86     private:    // Data

    87 

    88         // For being notified by System Agent

    89         RSystemAgent iSystemAgent;

    90 

    91         // For notifying System Agent

    92         RSAVarChangeNotify iSavar;

    93 

    94         // A pointer to the event monitor.

    95         CNcnModelBase* iModel;

    96 

    97         // The event from System Agent.

    98         TSysAgentEvent  iSAEvent;

    99 

   100         // Stores the phone idle state status

   101         TInt iPhoneIdleState;

   102 

   103         // Stores the autolock status

   104         TInt iAutolockStatus;

   105 

   106         // Stores the current call status

   107         TInt iCurrentCallStatus;

   108 

   109     };

   110 

   111 #endif      // NCNSYSTEMAGENTOBSERVER_H

   112 

   113 // End of File