/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  HDMI Cable Status FSM's "Connected" state.

*

*/

#ifndef C_COMPOSITECABLESTATECONNECTED_H

#define C_COMPOSITECABLESTATECONNECTED_H

#include "multifinitestatemachine.h"

#include "centralrepositorywatch.h" 

#include "tvoutconfigforcomposite.h"

#include "compositecablestatusfsm.h"

/**

 * "Connected" state implementation for Composite Cable Status FSM.

 * Composite Cable is connected in this state.

 *

 *  @code

 *   ?good_class_usage_example(s)

 *  @endcode

 *

 *  @lib none.

 *  @since TB 9.2

 */

NONSHARABLE_CLASS( CCompositeCableStateConnected ): public CBase, 

    public MFSMState, public MCentralRepositoryObserver

    {

public:

    /**

     * Two-phased constructor.

     * @param aFSMForState Finite State Machine interface for State.

     * @param aTVOutConfigForHDMI TV Out Configurer.

     */

    static CCompositeCableStateConnected* NewL(

            MFSMForState& aFSMForState, 

            CTVOutConfigForComposite& aTVOutConfigForComposite,

            CCompositeCableStatusFSM& aCompositeCableStatusFSM);

    /**

    * Destructor.

    */

    virtual ~CCompositeCableStateConnected();

// from base class MFSMState

    /**

     * From MFSMState.

     * Function is called when entering the state. State can perform

     * necessary entry actions if any.

     *

     * @since TB 9.2

     * @param none. 

     * @return aFSMBody Interface pointer of a FSM body.

     */

    virtual void Enter();

    /**

     * From MFSMState.

     * Function is called by FSM Body whenever an event that might have 

     * impact on the state has been fired. Implementation has to found

     * out what event has occurred and decide whether it enforces

     * transition to another state.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    virtual void Input(

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * From MFSMState.

     * Function returns state's identification.

     *

     * @since TB 9.2

     * @param none. 

     * @return TFSMState State's identification.

     */

    virtual TFSMState Id();

    /**

     * From MFSMState.

     * Function returns state's name.

     *

     * @since TB 9.2

     * @param none. 

     * @return TPtrC Name of the state.

     */

    virtual TPtrC Name();

    /**

     * Function returns substate's identification.

     *

     * @since TB 9.2

     * @param none. 

     * @return TFSMState Substate's identification.

     */

    virtual TFSMState SubId();

protected:

// from base class MCentralRepositoryObserver

    /**

     * Function is called by watcher every time when key value has changed

     * in CR.

     *

     * @since TB 9.2

     * @param aRepositoryId Changed repository. 

     * @param aRepositoryId Changed key. 

     * @return none

     */

    virtual void CentRepKeyChanged(

            TUid    aRepositoryId,

            TUint32 aId );

    /**

     * Function is called by property watcher when reading the integer property's

     * current value fails.

     *

     * @since TB 9.2

     * @param aRepositoryId Changed repository. 

     * @param aRepositoryId Changed key. 

     * @param aError Error code:

     *      KErrAbort if in a transaction that has previously failed, 

     *      KErrPermissionDenied if caller fails capability check, 

     *      KErrNotFound if the setting does not exist, 

     *      KErrArgument if the setting exists but is not an integer, plus other system-wide error codes. 

     * . 

     * @return none

     */

    virtual void CentRepGetKeyValueFailed( 

            TUid    aRepositoryId,

            TUint32 aId,

            TInt aError );

private:

    /**

     * Input function for substate Enabling.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateEnablingInput( 

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * Input function for substate Enabled.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateEnabledInput( 

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * Input function for substate Disabling.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateDisablingInput( 

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * Input function for substate Setting.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateSettingInput( 

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * Input function for substate Start Listen 

     * Config Changes.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateStartListenConfigChangesInput( 

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * Input function for substate Disabling for resetting

     * TV Out Configuration settings. 

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateResettingDisableInput(

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );    

    /**

     * Input function for substate Resetting.

     *

     * @since TB 9.2

     * @param aInterfaceId Interface Id. 

     * @param aEvent Interface event Id.

     * @return none.

     */

    void SubStateResettingInput( 

            TFSMInterfaceId aInterfaceId ,

            TFSMEventId aEvent );

    /**

     * C++ default constructor.

     * @param aFSMForState Finite State Machine interface for State.

     * @param aTVOutConfigForHDMI TV Out Configurer.

     */

    CCompositeCableStateConnected(

            MFSMForState& aFSMForState, 

            CTVOutConfigForComposite& aTVOutConfigForComposite,

            CCompositeCableStatusFSM& aCompositeCableStatusFSM);

    /**

     * Resetting the available config in tvout config

     * 

     * @since TB 9.2

     * @return none.

     */

    void ClearAvailableTvOutConfig();

    /**

     * Transit to Idle state

     * 

     * @since TB 9.2

     * @return none.

     */

    void TransitStateIdle();

    /**

     * By default Symbian OS constructor is private.

     */

    void ConstructL();

private: // data

    enum TSubState

      {

      ESubStateEnabling,

      ESubStateEnabled,

      ESubStateDisabling,

      ESubStateSetting,

      ESubStateStartListenSettingsChanges,

      ESubStateResettingDisable,

      ESubStateResetting

      };

    /**

     * FSM.

     * Not own.

     */

    MFSMForState& iFSMForState;

    /**

     * Central Repository Watchers.

     * Own

     */

    CCentralRepositoryWatch* iCRWatchForAspectRatio;

    CCentralRepositoryWatch* iCRWatchForFlickerFilter;

    CCentralRepositoryWatch* iCRWatchForTvSystem;

    /**

     * TV Out Configurer.

     * Not own

     */

    CTVOutConfigForComposite&   iTVOutConfigForComposite;

    /**

     * Composite Cable Status FSM.

     * Not own.

     */    

    CCompositeCableStatusFSM& iCompositeCableStatusFSM;

    /**

     * TV Out Configurer for listening setting changes.

     * Not own

     */

    CTVOutConfigForComposite* iTVOutConfigForSettingChanges;

    // Substate

    TSubState iSubState;

    // Flag

    TBool iCableDisconnectedWhileEnabling;

    // Flag

    TBool iCableConnectedWhileDisabling;

    // Flag

    TBool iCableDisconnectedWhileSetting;

    // Flag

    TBool iCableDisconnectedWhileResetting;

    // Flag

    TBool iCableDisconnectedWhileListening;

    // Flag

    TBool iCableDisconnectedWhileResettingDisable;

    // Flag

    TBool iResettingInput;

    // Flag

    TBool iClearConfig;

   };

#endif // C_COMPOSITECABLESTATECONNECTED_H