/*

* Copyright (c) 2008 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:  Fmtx watcher plugin definition.

*

*/

#ifndef HWRMFMTXWATCHERPLUGIN_H_

#define HWRMFMTXWATCHERPLUGIN_H_

#include <hwrmpluginservice.h>

#include <babitflags.h>

#include "hwrmfmtxconnobserver.h"

#include "hwrmfmtxplugintimer.h"

/**

* FM Tx watcher plugin implementation.

*

* @since S60 3.2

* @lib hwrmfmtxwatcherplugin.lib

*/

class CHWRMFmtxWatcherPlugin : public CHWRMPluginService,

                               public MHWRMFmtxPluginTimerCallback,

                               public MHWRMFmtxConnObserver,

                               public MHWRMFmtxConnObserverCallback

    {

public:

    /**

    * This is a two-phase constructor method that is used to create a new

    * instance of fmtx watcher plugin.

    *

	* @leave One of the Symbian OS error codes.

    */

    static CHWRMFmtxWatcherPlugin* NewL();

    /**

    * Destructor.

    */

    ~CHWRMFmtxWatcherPlugin();

private:

    // from CHWRMPluginService

    /**

    * Method to invoke a particular command in the plugin

    * @param aCommandId Command ID

    * @param aTransId   Transaction ID

    * @param aData      Data associated with command

    */

    virtual void ProcessCommandL(const TInt aCommandId,

                                 const TUint8 aTransId,

                                 TDesC8& aData);

    /**

    * Method to cancel a particular command

    * @param aTransId   Transaction ID

    * @param aCommandId Command ID to optionally double check with the

    *                   transaction ID

    */

    virtual void CancelCommandL(const TUint8 aTransId,

                                const TInt aCommandId);

private:

    // From MPluginTimerCallback

    void GenericTimerFired(const TInt aCommandId,

                           const TUint8 aTransId,

                           TInt aRetVal);

    // From MHWRMFmtxConnObserver

    TBool GetStatusL();

    void StartObservingL();

    void StopObserving();

    // From MHWRMFmtxConnObserverCallback

    void HandleConnectionChange( TFmtxWatcherObserverTypes aType, TBool aConnected );

private:

    /**

    * C++ default constructor.

    *

    */

    CHWRMFmtxWatcherPlugin();

    /**

    * By default Symbian OS constructor is private.

    */

    void ConstructL();

private:

    /**

    * Connection observers.

    */

	RPointerArray<MHWRMFmtxConnObserver> iObservers;

    /**

    * Timer array for command responses.

    */

    RPointerArray<CHWRMFmtxPluginTimer> iTimers;

    /**

    * Connection status.

    */

    TBitFlags iConnected;

    };

#endif // HWRMFMTXWATCHERPLUGIN_H_