/*

* 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:  The MUS application's UI class.

*

*/

#ifndef MUSUIAPPUI_H

#define MUSUIAPPUI_H

#include "musuieventobserver.h"

#include "musuiqueryobserver.h"

#include <eikapp.h>

#include <eikdoc.h>

#include <e32std.h>

#include <coeccntx.h>

#include <aknViewAppUi.h>

#include <remconcoreapitargetobserver.h>

#include <coecobs.h>

class CMusUiStatusPaneHandler;

class CMusUiActiveQueryDialog;

class CRemConInterfaceSelector;

class CRemConCoreApiTarget;

/**

 *  The MUS application's UI class.

 *

 *  @lib musui.exe

 */

class CMusUiAppUi : public CAknViewAppUi, 

                    public MMusUiEventObserver,

                    public MMusUiQueryObserver,

                    public MRemConCoreApiTargetObserver,

                    public MCoeControlObserver

    {

public:  // constructors and destructor

    /**

    * EPOC default constructor.

    */      

    void ConstructL( );

    /**

     * Destructor.

     */

    ~CMusUiAppUi();

public: // New functions

	CMusUiStatusPaneHandler* MusStatusPane();

    TBool ExitValue();

public: // from base class CEikAppUi

    void HandleWsEventL( const TWsEvent& aEvent, CCoeControl* aDestination );

    void HandleForegroundEventL( TBool aForeground );

public: // from MRemConCoreApiTargetObserver

    void MrccatoCommand( TRemConCoreApiOperationId aOperationId, 

                         TRemConCoreApiButtonAction aButtonAct );

public:	// from MMusUiQueryObserver

    virtual void QueryAcceptedL( TBool aAccepted );

    /**

     * Error handler for QueryAcceptedL.

     *

     * @param aError is error to be handled.

     * @return KErrNone means handled value. All other values will lead to

     *         a panic.

     */

    virtual TInt HandleQueryError( TInt aError );

public:	// from MMusUiEventObserver

    virtual void ActivateLocalMusViewL( TUid aViewId );

	virtual void ActivateLocalMusViewL( TUid aViewId,

	                            TUid aCustomMessageId, 

	                            const TDesC8& aCustomMessage );

    virtual void ShowAsyncConfirmationQueryDialogL( const TDesC& aPrompt );

    virtual void SetToolbarVisibility( TBool aVisible );

    virtual void ShowNaviPaneIconL( TMusUiNaviMediaDecorator aIcon );

    virtual CEikonEnv* EikonEnv( ) const;

    virtual void TerminateCall();

    virtual CAknAppUiBase::TAppUiOrientation AppOrientation() const;

    /**

     * Switch the active view's orientation, if it's in the foreground,

     * from landscape to portrait, or vice versa.

     */

    virtual void SwitchOrientationL( TAppUiOrientation aAppOrientation );

    virtual void HandleError( const TInt aReason );

    virtual void HandleExit();

    virtual TBool OrientationCanBeChanged() const;

    virtual TInt GetUiVolumeValue();

    virtual CMusUiResourceHandler* ResourceHandler();

private: // from base class CEikAppUi

    /**

     * Takes care of command handling.

     *

     * @param aCommand The command to be handled.

     */

    void HandleCommandL( TInt aCommand );

    /**

     * Handles a change to the application's resources which are shared

     * across the environment.

     *

     * @param aType The type of resources that have changed.

     */

    void HandleResourceChangeL( TInt aType );

    TKeyResponse HandleKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

    // Help context from CCoeAppUi

    CArrayFix<TCoeHelpContext>* HelpContextL() const;

private:

    //from MCoeControlObserver

    void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);

private:

    void DoHandleForegroundEventL( TInt aEventType );

    void FindWindowGroupIdentifiersL();

private: // data

    /**  Owns. Handle to status pane handler */

    CMusUiStatusPaneHandler* iStatusPaneHandler;

	CMusUiActiveQueryDialog* iConfirmationQuery;

    CRemConInterfaceSelector* iInterfaceSelector;

    CRemConCoreApiTarget* iCoreTarget;

	TBool iExit;

	TInt iLastKeyCode;

	/**

    * ETrue if operator specific functionality is needed 

    */

    TBool iOperatorSpecificFunctionality;

    // Window group id of this application.

    TInt iThisApplicationWgId;

    // Window group id of eikon server.

    TInt iEikonServerWgId;

    // Window group id for AknCapServer

    TInt iAknCapServerWgId;

    // Window group id for Akn Notifier Server

    TInt iAknNfyServerWgId;

    TBool iForeground;

    CMusUiResourceHandler* iResourceHandler;

    };

#endif // MUSUIAPPUI_H

// end of file