progressbarcontainer.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CProgressBarContainer from ProgressBarContainer.h
*  Part of  : ProgressBar
*  Created  : 26.02.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include "ProgressBarContainer.h"

#include <eikprogi.h> // CEikProgressInfo
#include <ProgressBar.rsg> // for resource definition
#include <coemain.h> //iCoeEnv
#include <barsread.h>  //for TResourceReader

#include "ProgressBar.hrh"
// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CProgressBarContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CProgressBarContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();
    
    TResourceReader reader;
    iCoeEnv->CreateResourceReaderLC( reader, R_PROGRESS_BAR );
    iPBar = new( ELeave ) CEikProgressInfo();
    iPBar->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();
    iPBar->SetPosition( TPoint( 10, 40 ) ) ;
    iPBar->SetContainerWindowL( *this );

    iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityStandard);
    StartTimer();
    SetRect(aRect);
    ActivateL();
    }

// Destructor
CProgressBarContainer::~CProgressBarContainer()
    {
    delete iPBar; 
    if (iPeriodicTimer)
        {
        iPeriodicTimer->Cancel();
        }
    delete iPeriodicTimer;
    }

void CProgressBarContainer::StartTimer()
    {
    //If the timer is not already running, start it
    if (iPeriodicTimer->IsActive())
        {
        iPeriodicTimer->Cancel();
        }
    iPeriodicTimer->Start( 500000, 200000,TCallBack(CProgressBarContainer::Period,this));    
    }


// ---------------------------------------------------------
// CProgressBarContainer::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CProgressBarContainer::SizeChanged()
    {
    // TODO: Add here control resize code etc.

    }

// ---------------------------------------------------------
// CProgressBarContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CProgressBarContainer::CountComponentControls() const
    {
    return 1; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CProgressBarContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CProgressBarContainer::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
            return iPBar;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CProgressBarContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CProgressBarContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    // TODO: Add your drawing code here
    // example code...
    gc.SetPenStyle( CGraphicsContext::ENullPen );
    gc.SetBrushColor( KRgbWhite );
    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
    gc.DrawRect( aRect );
    }

// ---------------------------------------------------------
// CProgressBarContainer::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// ---------------------------------------------------------
//
void CProgressBarContainer::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    // TODO: Add your control event handler code here
    }

void CProgressBarContainer::DoStep()
    {
    iPBar->IncrementAndDraw( 1 );
    }

TInt CProgressBarContainer::Period(TAny * aPtr)
    {
    ((CProgressBarContainer*)aPtr)->DoStep();
    //returning a value of TRUE indicates the callback should be done again
    return TRUE;
    }

void CProgressBarContainer::HandleCommandL(TInt aCommand)
    {
    switch ( aCommand )
        {
        case EProgressBarCmdAppTest:
            {
             iPBar->SetAndDraw( 0 );
            break;
            }
        default:
            break;      
        }
    }
// End of File