1 /*

     2 * Copyright (c) 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 #ifndef PROFILER_STATUS_CHECKER_H

    19 #define PROFILER_STATUS_CHECKER_H

    20 

    21 #include <e32std.h>

    22 #include <e32base.h>

    23 #include <e32property.h>    // RProperty

    24 

    25 // CONSTANTS

    26 const TUid KEngineStatusPropertyCat = { 0x2001E5AD };

    27 enum TEnginePropertyKeys

    28     {

    29     EProfilerEngineStatus = 8

    30     };

    31 

    32 // CLASS DECLARATIONS

    33 class MProfilerStatusObserver

    34     {

    35     public: // Enums

    36         enum KProfilerStatus

    37             {

    38             EIdle = 0,

    39             EInitializing,

    40             ERunning,

    41             EStopping,

    42             ERestarting

    43             };

    44 

    45     public: // New

    46         virtual void HandleProfilerStatusChange(

    47                 KProfilerStatus aStatus ) = 0;

    48         virtual void HandleProfilerErrorL(

    49                 TInt aError ) = 0;

    50     };

    51 

    52 

    53 class CProfilerEngineStatusChecker : public CActive

    54     {

    55 public:

    56     inline static CProfilerEngineStatusChecker* CProfilerEngineStatusChecker::NewL();

    57     inline ~CProfilerEngineStatusChecker();

    58     inline void SetObserver(MProfilerStatusObserver* aObserver);

    59     inline TInt GetInitialState();

    60 private:

    61     inline CProfilerEngineStatusChecker();

    62     inline void ConstructL();

    63     inline void RunL();

    64     inline void DoCancel();

    65 private:

    66     TInt                        iPrevStat;

    67     MProfilerStatusObserver*    iObserver;

    68     RProperty                   iEngineStatus;

    69     };

    70 

    71 #include <piprofiler/ProfilerEngineStatusChecker.inl>

    72 

    73 

    74 #endif // PROFILER_STATUS_CHECKER_H