1 /*

     2 * Copyright (c) 2005-2006 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:  Plugin state machine implementation

    15 *

    16 */

    17 

    18 

    19 #ifndef C_AIPLUGINSTATEMACHINEIMPL_H

    20 #define C_AIPLUGINSTATEMACHINEIMPL_H

    21 

    22 #include <e32base.h>

    23 #include <aicontentpublisher.h>

    24 #include "aipluginstatemachine.h"

    25 #include "aistatealive.h"

    26 #include "aistatesuspended.h"

    27 #include "aistateidle.h"

    28 

    29 class MAiPluginStateControl;

    30 class MAiPluginState;

    31 

    32 /**

    33  * Plugin state machine implementation.

    34  * 

    35  *  @lib aifw

    36  *  @since S60 3.2

    37  */

    38 NONSHARABLE_CLASS( CAiPluginStateMachine ) : public CBase,

    39                                              public MAiPluginStateMachine

    40     {

    41 public: // Constructor 

    42        

    43     CAiPluginStateMachine( MAiPluginStateResources& aPluginStateResource,                           

    44                            CAiContentPublisher& aPlugin );

    45     

    46 public: // from MAiPluginStateMachine

    47                                   

    48     TBool StateVariable( TAiStateVariable aStateVariable );

    49     

    50     TAiTransitionReason TranslateReason( TAiStateChanges aStateChange );

    51     

    52     void RestartSuspendTimer();

    53     

    54     void SwitchToState( TAiState aState, TAiStateChanges aStateChange );

    55     

    56     CAiContentPublisher& Plugin() const;

    57               

    58     void ChangePluginState( TAiTransitionReason aReason,                

    59                             void (CAiContentPublisher::*aStateChangeMethod)(TAiTransitionReason) );

    60                 

    61 public: // new methods

    62 

    63     TBool HandleEvent( TAiStateChanges aStateChange );

    64         

    65 private: // data

    66 

    67     /**

    68      * Alive master state.

    69      */

    70     TAiStateAlive iAlive;

    71 

    72     /**

    73      * Suspended state.

    74      */

    75     TAiStateSuspended iSuspended;

    76 

    77     /**

    78      * Idle master state.

    79      */

    80     TAiStateIdle iIdle;

    81 

    82     /**

    83      * Pointer to current state.

    84      * Not owned.

    85      */

    86     MAiPluginState* iCurrentState;

    87 

    88     /**

    89      * Pointer to parent state machine.

    90      * Not owned.

    91      */

    92     MAiPluginStateResources& iPluginStateResource;

    93     

    94     /**

    95      * Pointer to managed plugin.

    96      * Not owned.

    97      */

    98     CAiContentPublisher& iPlugin;    

    99 

   100     /**

   101      * Online sub-state     

   102      */    

   103     TBool iOnline;

   104     };

   105 

   106 #endif // C_AIPLUGINSTATEMACHINEIMPL_H