/*

* Copyright (c) 2007, 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:  Declares USB UI Queries notifier.

 *

*/

#ifndef USBUINOTIFOTGERROR_H

#define USBUINOTIFOTGERROR_H

// INCLUDES

#include "usbnotifier.h"      // Base class

#include <AknQueryDialog.h>   // AVKON component

#include "usbuinotifdialerwatcher.h"

#define KUsbUiNotifOtgGeneralQueryGranularity 3

// CLASS DECLARATION

/**

 *  This class is used to show general USB query.

 *  Asynchronous call is required.

 *

 *  @lib

 */

NONSHARABLE_CLASS(CUsbUiNotifOtgError) : public CUSBUINotifierBase, public MDialerNotifier

    {

public:

    // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CUsbUiNotifOtgError* NewL();

    /**

     * Destructor.

     */

    virtual ~CUsbUiNotifOtgError();

protected:

    /**

     * Second phase contructor

     */

    void ConstructL();

private:

    // Functions from base class

    /**

     * From CUSBUINotifierBase Called when a notifier is first loaded.        

     * @param None.

     * @return A structure containing priority and channel info.

     */

    TNotifierInfo RegisterL();

    /**

     * From CUSBUINotifierBase The notifier has been deactivated 

     * so resources can be freed and outstanding messages completed.

     */

    void Cancel();

    /**

     * From CUSBUINotifierBase Gets called when a request completes.

     */

    void RunL();

    /**

     * From CUSBUINotifierBase Used in asynchronous notifier launch to 

     * store received parameters into members variables and 

     * make needed initializations.

     * @param aBuffer A buffer containing received parameters

     * @param aReplySlot A reply slot.

     * @param aMessage Should be completed when the notifier is deactivated.

     */

    void GetParamsL(const TDesC8& aBuffer, TInt aReplySlot,

            const RMessagePtr2& aMessage);

private:

    /**

     * From MDialerNotifier     

     * The function to be when Dialaer is activated

     *          

     */

    void DialerActivated();

    /**

     * From MDialerNotifier     

     * The function to be when Dialaer is deactivated

     * and note can be shown again

     *          

     */

    void ReActivateDialog();

private:

    /**

     *  C++ default constructor.

     */

    CUsbUiNotifOtgError();

private:

    // New functions

    /**

     * Show query dialog     

     * @return KErrNone - accepted, KErrCancel - Cancel or End call key

     */

    TInt QueryUserResponseL();

private:

    // Data

    /**

     *  Query

     *  Not own, destroys self when lauched.

     */

    CAknQueryDialog* iQuery; 

    RArray<TInt> iStringIds;

    TInt iErrorId;

    /**

     * Dialer watcher 

     * Own.

     */

    CUsbuinotifDialerWatcher* iDialerWatcher;

    /**

     * Dialog is dismissed. 

     */

    TBool iDismissed;

    };

#endif // USBUINOTIFOTGERROR_H