circleview.cpp

如何实现一个活动对象

/*
* ============================================================================
*  Name     : CCircleView from CAknView
*  Part of  : World
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

// INCLUDE FILES
#include <aknviewappui.h>
#include <avkon.hrh>

#include <LDMNO20.rsg>
#include "LDMNO20.hrh"
#include "CircleView.h"
#include "CircleContainer.h"
#include "ActiveCircle.h"

#include "LDMNO20AppUi.h"

#include <akncontext.h>//for CAknContextPane
#include "akntitle.h"//for CAknTitlePane
// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that
// might leave.
//
CCircleView* CCircleView::NewL()
{
    CCircleView* self = NewLC();
    CleanupStack::Pop(self);
    return self;
}

CCircleView* CCircleView::NewLC()
{
    CCircleView* self = new (ELeave) CCircleView;
    CleanupStack::PushL(self);
    self->ConstructL();
    return self;
}

CCircleView::CCircleView()
    {
    }

// EPOC default constructor can leave.
void CCircleView::ConstructL()
    {
    BaseConstructL(R_CIRCLE_VIEW_BEGIN);
    }

// Destructor
CCircleView::~CCircleView()
    {

    // Add any destruction code here
    }

// ---------------------------------------------------------
// TUid CCircleView::Id()
// Returns Id of the view.
// ---------------------------------------------------------
TUid CCircleView::Id() const
    {
    return KViewId1;
    }

// ---------------------------------------------------------
// CCircleView::HandleCommandL(TInt aCommand)
// Handles commands
// ---------------------------------------------------------
void CCircleView::HandleCommandL(TInt aCommand)
    { 
		switch(aCommand)
		{
		case ECIRCLE_Begin:
			{
			//启动
			iContainer->GetiActive()->Start();
			break;
			}
		case ECIRCLE_Stop:
			{
			iContainer->GetiActive()->Cancel();
			 break;
			}
		case EAknSoftkeyExit:
			{
			iAppUi->Leave();
			break;
			}
		default:
			{
			break;
			}
		}
    }

// ---------------------------------------------------------
// CCircleView::HandleClientRectChange()
// Handles client rect change.
// ---------------------------------------------------------
void CCircleView::HandleClientRectChange()
    {
    if (iContainer)
        {
        iContainer->SetRect(ClientRect());
        }
    }

// ---------------------------------------------------------
// CCircleView::DoActivateL(...)
// Creates the Container class object.
// ---------------------------------------------------------
void CCircleView::DoActivateL(const TVwsViewId& /*aPrevViewId*/,
                                    TUid /*aCustomMessageId*/,
                                    const TDesC8& /*aCustomMessage*/)
    {
    iContainer = new (ELeave) CCircleContainer;
    iContainer->SetMopParent(this);
	TRect rc;
	rc.SetRect(ClientRect().iTl, TSize(176, 144));
    iContainer->ConstructL(rc);
    AppUi()->AddToStackL(*this, iContainer);
    }

// ---------------------------------------------------------
// CCircleView::DoDeactivate()
// Deletes the Container class object.
// ---------------------------------------------------------
void CCircleView::DoDeactivate()
    {
    if (iContainer)
        {
		AppUi()->RemoveFromStack(iContainer);
		delete iContainer;
		iContainer = NULL;
        }
    }

// End of File