tictactoeappui.cpp

《Symbian S60第3版手机程序开发与实用教程》光盘源代码

/*
* ==============================================================================
*  Name        : TicTacToeAppUi.cpp
*  Part of     : TicTacToe
*  Description : 
*  Version     : 
*
*  Copyright (c) 2005 Nokia Corporation.
* ==============================================================================
*/

// INCLUDE FILES

#include "TicTacToeAppUi.h"
#include "TicTacToeAppView.h"
#include "TicTacToe.hrh"
#include <f32file.h>
#include <s32file.h>

// CONSTANTS

_LIT(KTttSettingsFile, "C:\\private\\E02753ED\\TicTacToe.ini");

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::ConstructL
// Perform the second phase construction. This needs to be public due
// to the way the framework constructs the AppUi.
// -----------------------------------------------------------------------------
//
void CTicTacToeAppUi::ConstructL()
    {
    BaseConstructL(EAknEnableSkin);
    
    TRAPD(error, LoadSettingsL());
    if ( KErrNone != error )
        {
        iGraphicsSet = 0;
        }

    iAppView = CTicTacToeAppView::NewL(ClientRect(), iGraphicsSet);
    AddToStackL(iAppView);
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::CTicTacToeAppUi
// Perform the first phase of two phase construction. This needs to be
// public due to the way the framework constructs the AppUi.
// -----------------------------------------------------------------------------
//
CTicTacToeAppUi::CTicTacToeAppUi()
    {
    // No implementation required
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::~CTicTacToeAppUi
// Destroy the object.
// -----------------------------------------------------------------------------
//
CTicTacToeAppUi::~CTicTacToeAppUi()
    {
    if ( iAppView )
        {
        iEikonEnv->RemoveFromStack(iAppView);
        delete iAppView;
        iAppView = NULL;
        }
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::HandleCommandL
// Handle user menu selections.
// -----------------------------------------------------------------------------
//
void CTicTacToeAppUi::HandleCommandL(TInt aCommand)
    {
    switch(aCommand)
        {
		case ETicTacToeNewGame:
			iAppView->NewGame();
			break;

		case ETicTacToeGraphics1:
			SetGraphicsL(0);
			break;

		case ETicTacToeGraphics2:
			SetGraphicsL(1);
			break;

		case EEikCmdExit:
        case EAknSoftkeyExit:
            SaveSettingsL();
            Exit();
            break;

        default:
            break;
        }
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::HandleScreenDeviceChangedL
// Handle change in screen resolution.
// -----------------------------------------------------------------------------
//
void CTicTacToeAppUi::HandleScreenDeviceChangedL()
    {
    CAknAppUi::HandleScreenDeviceChangedL();

    // Reposition the view
    if ( iAppView )
        {
        iAppView->SetRect(ClientRect());
        }
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::SetGraphicsL
// Change the currently selected graphics set.
// -----------------------------------------------------------------------------
//
void CTicTacToeAppUi::SetGraphicsL(TInt aGraphicsSet)
    {
    if ( iGraphicsSet != aGraphicsSet )
        {
        iGraphicsSet = aGraphicsSet;
        iAppView->LoadIconsL(aGraphicsSet);
        }
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::LoadSettingsL
// Load settings from the config file.
// -----------------------------------------------------------------------------
//
void CTicTacToeAppUi::LoadSettingsL()
    {
    RFileReadStream stream;
    CleanupClosePushL(stream);
    User::LeaveIfError(stream.Open(iCoeEnv->FsSession(),
                                    KTttSettingsFile, EFileRead));

    iGraphicsSet = stream.ReadInt32L();

    CleanupStack::PopAndDestroy(&stream);
    }

// -----------------------------------------------------------------------------
// CTicTacToeAppUi::SaveSettingsL
// Save settings to the config file.
// -----------------------------------------------------------------------------
//
void CTicTacToeAppUi::SaveSettingsL()
    {
    RFileWriteStream stream;
    CleanupClosePushL(stream);
    iCoeEnv->FsSession().MkDirAll(KTttSettingsFile);
    User::LeaveIfError(stream.Replace(iCoeEnv->FsSession(),
                                    KTttSettingsFile, EFileWrite));

    stream.WriteInt32L(iGraphicsSet);

    CleanupStack::PopAndDestroy(&stream);
    }

//  End of File