/*

* Copyright (c) 2005 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:  Mus Applications Event Observer Interface

*

*/

#ifndef MUSUIEVENTOBSERVER_H

#define MUSUIEVENTOBSERVER_H

#include "musuidefinitions.h"

#include <e32base.h>

#include <eikenv.h>

#include <aknappui.h>

#include <cntdef.h>

class CMusUiResourceHandler;

class MMusUiEventObserver

	{

public:

	virtual void ActivateLocalMusViewL( TUid aViewId ) = 0;

	virtual void ActivateLocalMusViewL( TUid aViewId, 

	                                    TUid aCustomMessageId,

	                              const TDesC8& aCustomMessage ) = 0;

    virtual void ShowAsyncConfirmationQueryDialogL( const TDesC& aPrompt ) = 0;

    virtual void SetToolbarVisibility( TBool aVisible ) = 0;

    /**

    * 

    */

    virtual void ShowNaviPaneIconL( TMusUiNaviMediaDecorator aIcon ) = 0;

    virtual CEikonEnv* EikonEnv() const = 0;

    virtual void TerminateCall() = 0;

    /**

     * Return current app orientation.

     */

    virtual CAknAppUiBase::TAppUiOrientation AppOrientation() const = 0;

    virtual void SwitchOrientationL( 

                        CAknAppUiBase::TAppUiOrientation aOrientation ) = 0;

    virtual void HandleError( const TInt aReason ) = 0;

    virtual void HandleExit() = 0;

    virtual TBool OrientationCanBeChanged() const = 0;

    virtual TInt GetUiVolumeValue() = 0;

    virtual CMusUiResourceHandler* ResourceHandler() = 0;

	};

#endif // MUSUIEVENTOBSERVER_H

// end of file