/*

* 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: 

*     Phone UI controller class.

*

*/

#ifndef CPHONEUICONTROLLER_H

#define CPHONEUICONTROLLER_H

//  INCLUDES

#include <e32base.h>

#include <e32std.h>

#include "mphonekeyeventhandler.h"

#include "mphonemenuandcbaevents.h"

#include "mphonesystemeventhandler.h"

#include "mphonestatemachine.h"

// FORWARD DECLARATIONS

class CPhoneEngineHandler;

class MPhoneKeyEventHandler;

class CPhoneSystemEventHandler;

class MPhoneViewCommandHandle;

class MPhoneStateMachine;

class CPhoneStateHandle;

class CPEPhoneModel;

class CPhoneRemoteControlHandler;

class CPhoneUIController : 

    public CBase, 

    public MEngineMonitor,

    public MPhoneKeyEventHandler,

    public MPhoneSystemEventHandler,

    public MPhoneMenuAndCbaEvents

    {

    public:

        /**

        * Two-phased constructor.

        */

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CPhoneUIController();

        /**

        * HandleMessage

        * Creates a trap for leaves from message handling functions and 

        * calls DoHandleMessage to handle the message.

        * @param aMessage: a message Id from phone application engine

        * @param aCallId: a Id of the call

        * @return 

        */

        IMPORT_C void HandleMessage( 

            const TInt aMessage, 

            const TInt aCallId );

        /**

        * HandleError

        * Implements error handling framework

        * @param aErrorInfo: the error info

        */

        IMPORT_C void HandleError( const TPEErrorInfo& aErrorInfo );

        IMPORT_C TKeyResponse HandleKeyEventL(

            const TKeyEvent& aKeyEvent,

            TEventCode aEventCode );

        /**

        * From CEikAppUi. For Idle indicator

        */

        IMPORT_C void HandleSystemEventL(

            const TWsEvent& aEvent );

        /**

        * From CAknAppUi, indicates when app ui is on the foreground.

        * @param aForeground It is true if app is on the foreground.

        */

        IMPORT_C void HandleForegroundEventL( TBool aForeground );

        /**

        * Indicates when the Phone app is in the foreground.

        */

        IMPORT_C virtual void HandlePhoneForegroundEventL();

        /**

        * Indicates when the Phone app is losing focus.

        */

        IMPORT_C virtual void HandlePhoneFocusLostEventL();

        /**

        * Indicates when the Idle app is in the foreground.

        */

        IMPORT_C virtual void HandleIdleForegroundEventL();

        /**

        * Handle environment changes.

        * @param aChanges environment changes which may be reported by

        *  a change notifier through the RChangeNotifier interface.

        */

        IMPORT_C void HandleEnvironmentChangeL( const TInt aChanges );

        /**

        * Handles startup of the phone application 

        */

        IMPORT_C void HandlePhoneStartupL();

        /**

        * Handles commands.

        * @param aCommand It is the code of the command to be handled.

        * @returns boolean value was the command handled by the state 

        *          (ETrue) or not (EFalse)

        */

        IMPORT_C TBool HandleCommandL( TInt aCommand );

        /**

        * Process command.

        * @param aCommand It is the code of the command to be handled.

        * @returns boolean value was the command handled by the state 

        *          (ETrue) or not (EFalse)

        */

        IMPORT_C TBool ProcessCommandL( TInt aCommand );

    private:

        /**

        * C++ default constructor.

        */

        CPhoneUIController();

        /**

        * By default EPOC constructor is private.

        */

        /**

        * Creates correct protocol DLL depending of the variation.

        */

        /**

        * CallBack for Phone Number Editor

        */

        static TInt HandlePhoneNumberEditorCallBack( TAny* aAny );

        /**

        * Handles the CallBack for Phone Number Editor

        */

        void DoHandlePhoneNumberEditorCallBack();

    private:    // Data

        /**

        * CPEPhoneModel

        */

        MPEPhoneModel*  iPhoneEngine;

        /**

        * MPEEngineInfo

        */

        MPEEngineInfo*  iEngineInfo;

        /**

        * iEngineHandler : 

        */

        CPhoneEngineHandler* iEngineHandler;

        /**

        * iKeyEventHandler : 

        */

        MPhoneKeyEventHandler* iKeyEventHandler;

        /**

        * iSystemEventHandler : 

        */

        CPhoneSystemEventHandler* iSystemEventHandler;

        /**

        * iRemoteControlHandler : 

        */

        CPhoneRemoteControlHandler* iRemoteControlHandler;

        /**

        * MPhoneStateMachine

        */

        CPhoneStateHandle* iStateHandle;

        /**

        * MPhoneStateMachine

        */

        MPhoneStateMachine* iStateMachine;  // NOT OWNED

    };

#endif      // CPHONEUICONTROLLER_H   

// End of File