1 /*

     2 * Copyright (c) 2005-2009 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 "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 

    20 #ifndef CPOSMODULESSTATUS_H

    21 #define CPOSMODULESSTATUS_H

    22 

    23 //  INCLUDES

    24 #include <lbs.h>

    25 #include "EPos_MPosStatusObserver.h"

    26 #include <lbs/epos_mposmodulesobserver.h>

    27 #include "epos_mposmodulestatusmanager.h"

    28 

    29 // FORWARD DECLARATIONS

    30 class CPosModules;

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35 *  Holds the status of all installed modules.

    36 *  Used to get current module status and to get notification of 

    37 *  module status changes.

    38 */

    39 class CPosModulesStatus : public CBase,

    40                           public MPosStatusObserver,

    41                           public MPosModuleStatusManager

    42     {

    43     public:  // Data types

    44 

    45         struct TPosSubscriber

    46             {

    47             TAny*                   iClient;

    48             TInt                    iClientTimeStamp;

    49             TBool                   iToBeRemoved;

    50             TBool                   iHasRequest;

    51             RMessage2               iMsg;

    52             TPositionModuleId       iModuleId;

    53             TPositionModuleStatusEvent iEvent;

    54             };

    55 

    56         struct TPosModule

    57             {

    58             TPositionModuleId       iModuleId;

    59             TPositionModuleStatus   iStatus;

    60             TInt                    iDeviceTimeStamp;

    61             TInt                    iDataQualityTimeStamp;

    62             };

    63 

    64     public:  // Constructors and destructor

    65         static CPosModulesStatus* NewL(CPosModules& aModules);

    66         static CPosModulesStatus* NewL(CPosModules& aModules,const TTimeIntervalMicroSeconds32& aTimerInterval);

    67         virtual ~CPosModulesStatus();

    68     

    69     public: //From base class

    70         virtual void AddListenerL(MPosModuleStatusListener& aListener);

    71         virtual void RemoveListener(MPosModuleStatusListener& aListener);

    72         virtual TInt GetModuleStatus(const TPositionModuleId& aModuleId,TPositionModuleStatusBase& aStatus ) const;

    73 

    74     public: // New functions

    75         void NotifyModuleStatusEventL(const RMessage2& aMessage, TAny* aClient);

    76         void CancelNotifyModuleStatusEventL(TAny* aClient);

    77         void NotifySessionClosed(TAny* aClient);

    78         void HandleSettingsChangeL(TPosModulesEvent aEvent);

    79 

    80     protected:  // Functions from base classes

    81         void ReportStatus(const TPositionModuleId& aImplementationUid, const TPositionModuleStatus& aStatus);

    82 

    83     private:

    84         CPosModulesStatus(CPosModules& aModules, const TTimeIntervalMicroSeconds32& aTimerInterval);

    85         void ConstructL();

    86         CPosModulesStatus( const CPosModulesStatus& );

    87         CPosModulesStatus& operator= ( const CPosModulesStatus& );

    88 

    89         

    90         void ValidateRequestL(const RMessage2& aMessage, TPositionModuleId& aId, TPositionModuleStatusEvent& aEvent);

    91         TBool HasValidEventsQueued(TPosSubscriber& aSubscriber);

    92         void NotifySubscribers(TPositionModuleStatusEvent& aOccurredEvent);

    93         void NotifyListeners(TPositionModuleStatusEvent& aOccurredEvent);

    94         static TInt TimerCallback(TAny* aModulesStatus);

    95         TInt DoTimerCallback();

    96         void RequestComplete(const RMessage2& aMessage, TInt aCompleteCode);

    97         void NotifyEventToSubscriber(TPositionModuleStatusEvent& aOccurredEvent, const CPosModulesStatus::TPosSubscriber& aSubscriber);

    98 

    99     private:    // Data

   100         CPosModules&            iModules;

   101         RPointerArray< MPosModuleStatusListener > iListenerArray;

   102         RArray<TPosModule>      iModuleStatusArray;

   103         RArray<TPosSubscriber>  iSubscribers;

   104         TInt                    iSequenceNo;

   105         CPeriodic*              iTimer;

   106         TTimeIntervalMicroSeconds32 iTimerInterval;

   107 

   108     };

   109 

   110 #endif      // CPOSMODULESSTATUS_H

   111 

   112 // End of File