/*

* Copyright (c) 2010 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: Class for managing an actual user notification or query.

*              It hides UI framework-specifics in a private class.

*

*/

#ifndef BLUETOOTHNOTIFICATION_H

#define BLUETOOTHNOTIFICATION_H

#include <e32base.h>

#include <hb/hbcore/hbdevicedialogsymbian.h>

#include "bluetoothdevicedialogs.h"

#include "btnotificationresult.h"

#include "bluetoothtrace.h"

class CBTNotificationManager;

class CHbSymbianVariantMap;

/**

 *  CBluetoothNotification manages and controls notifications.

 *  

 *  @since Symbian^4

 */

NONSHARABLE_CLASS( CBluetoothNotification ) : public CBase,

                                              public MHbDeviceDialogObserver

    {

public:

    /**

     * Two-phased constructor.

     * @param aManager Reference to the notification manager.

     * @param aObserver Reference to our observer.

     */

    static CBluetoothNotification* NewL( CBTNotificationManager* aManager );

    /**

    * Destructor.

    */

    virtual ~CBluetoothNotification();

    /**

     * Sets the receiver of callbacks.

     *

     * @since Symbian^4

     * @param aObserver Pointer to the callback interface.

     */

    inline void SetObserver( MBTNotificationResult* aObserver )

        { iObserver = aObserver; }

    /**

     * Clears the receiver of callbacks.

     *

     * @since Symbian^4

     */

    inline void RemoveObserver()

        { iObserver = NULL; }

    /**

     * Getter for the notification type.

     *

     * @since Symbian^4

     * @return Notification type.

     */

    inline TBluetoothDialogParams::TBTDialogType NotificationType()

        { return iType; }

    /**

     * Getter for the resource id.

     *

     * @since Symbian^4

     * @return Resource identifier.

     */

    inline TBTDialogResourceId ResourceId()

        { return iResourceId; }

    inline CHbSymbianVariantMap* Data()

         { return iNotificationData; }

    /**

     * Sets the type of notification (query, note, etc).

     *

     * @since Symbian^4

     * @param aType The type of the notification.

     * @param aResourceId The id of the resource to be shown.

     * @return Error code

     */

    inline void SetNotificationType( TBluetoothDialogParams::TBTDialogType aType,

                TBTDialogResourceId aResourceId )

            { iType = aType; iResourceId = aResourceId; }

    /**

     * Sets the data to be shown to the user.

     *

     * @since Symbian^4

     * @param aType Identifies the type of data parameter to be set.

     * @param aData Additional descriptor data to be shown in the dialog.

     * @return Error code

     */

    TInt SetData( TInt aDataType, const TDesC& aData );

    /**

     * Sets the data to be shown to the user.

     *

     * @since Symbian^4

     * @param aType Identifies the type of data parameter to be set.

     * @param aData Additional integer data to be shown in the dialog.

     * @return Error code

     */

    TInt SetData( TInt aDataType, TInt aData );

    /**

     * Updates the data to be shown to the user.

     *

     * @since Symbian^4

     * @param ?arg1 ?description

     * @return Error code

     */

    TInt Update( const TDesC& aData =KNullDesC );

    /**

     * Show the notification, which means that it 

     * is added to the queue.

     *

     * @since Symbian^4

     * @param ?arg1 ?description

     * @return Error code

     */

    void ShowL();

    /**

     * Stop showing the notification.

     *

     * @since Symbian^4

     * @param ?arg1 ?description

     * @return Error code

     */

    TInt Close();

private:

    CBluetoothNotification( CBTNotificationManager* aManager );

    void ConstructL();

    /**

     * Sets the data to be shown to the user, leaves on error.

     *

     * @since Symbian^4

     * @param aType Identifies the type of data parameter to be set.

     * @param aData Additional descriptor data to be shown in the dialog.

     */

    void SetDataL( TInt aType, const TDesC& aData );

    /**

     * Sets the data to be shown to the user, leaves on error.

     *

     * @since Symbian^4

     * @param aType Identifies the type of data parameter to be set.

     * @param aData Additional integer data to be shown in the dialog.

     */

    void SetDataL( TInt aType, TInt aData );

    /**

     * From MHbDeviceDialogObserver.

     * This callback is called when data is received from a device dialog.

     *

     * @since Symbian^4

     * @param aData contains data from the dialog plugin.

     */

    virtual void DataReceived( CHbSymbianVariantMap& aData );

    /**

     * From MHbDeviceDialogObserver.

     * This callback is called when a device dialog is closed. Any data sent by

     * the dialog is indicated by the dataReceived() callback. If no observer is

     * set in CHbDeviceDialogSymbian::Show the latest data can be retrieved with

     * CHbDeviceDialogSymbian::receivedData().

     *

     * @since Symbian^4

     * @param aCompletionCode gives the result of the dialog completion. Code can be

     *                        either Symbian error code or device dialog error code.

     */

    virtual void DeviceDialogClosed( TInt aCompletionCode );

#ifdef BLUETOOTHTRACE_ENABLED

    void debugHbSymbianVariantMap( CHbSymbianVariantMap& aData);

#endif // BLUETOOTHTRACE_ENABLED

private: // data

    /**

     * The type of notification currently showing.

     */

    TBluetoothDialogParams::TBTDialogType iType;

    /**

     * The id of the resource (string identifier)

     * of the currently showing notification.

     */

    TBTDialogResourceId iResourceId;

    /**

     * Reference to the queue manager.

     * Not own.

     */

    CBTNotificationManager* iManager;

    /**

     * Reference to the receiver of the results.

     * Not own.

     */

    MBTNotificationResult* iObserver;

    /**

     * The data to be shown to the user in a device dialog.

     * Own.

     */

    CHbSymbianVariantMap* iNotificationData;

    /**

     * Buffer for receiving return data from the notifier.

     */

    CHbSymbianVariantMap* iReturnData;

    /**

     * Session object with the notification server.

     * Own.

     */

    CHbDeviceDialogSymbian *iDialog;

    BTUNITTESTHOOK

    };

#endif // BLUETOOTHNOTIFICATION_H