timerappui.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CTimerAppUi from TimerAppui.cpp
*  Part of  : Timer
*  Created  : 05.02.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include <eikbtgpc.h>   // for CEikButtonGroupContainer
#include <avkon.hrh>
#include <Timer.rsg>

#include "TimerAppUi.h"
#include "TimerModel.h"
#include "TimerContainer.h" 
#include "Timer.hrh"

#include <aknquerydialog.h> 
#include <aknglobalconfirmationquery.h> 

// ================= MEMBER FUNCTIONS =======================
//
// ----------------------------------------------------------
// CTimerAppUi::ConstructL()
// 
// ----------------------------------------------------------
//
void CTimerAppUi::ConstructL()
    {
    BaseConstructL();

    iModel = new(ELeave) CTimerModel();
    iAppContainer = CTimerContainer::NewL(ClientRect(), *iModel);
    AddToStackL( iAppContainer );
    iTimer = CCountdownTimer::NewL(*this);
    }

// ----------------------------------------------------
// CTimerAppUi::~CTimerAppUi()
// Destructor
// Frees reserved resources
// ----------------------------------------------------
//
CTimerAppUi::~CTimerAppUi()
    {
    delete iTimer;
    if (iAppContainer)
        {
        RemoveFromStack( iAppContainer );
        delete iAppContainer;
        }
    delete iModel;
   }

// new functions
void CTimerAppUi::OnTimerL(const TTime& aTime)
    {
    iModel->SetTime(aTime);
    iAppContainer->RefreshL();
    if(aTime.Int64()<=0)
        {
        SetCbaL(R_TIMER_SOFTKEY_SET_EXIT);
        TRequestStatus status=KRequestPending;
        HBufC* prompt = iCoeEnv->AllocReadResourceLC(R_TIMER_CONFIRMATION);
        CAknGlobalConfirmationQuery* global = CAknGlobalConfirmationQuery::NewLC();
        global->ShowConfirmationQueryL(status, *prompt, R_AVKON_SOFTKEYS_OK_EMPTY, 
            R_QGN_NOTE_INFO_ANIM, KNullDesC, 0, 0, CAknQueryDialog::EConfirmationTone, ETrue);
        User::WaitForRequest(status);
        CleanupStack::PopAndDestroy(2); // prompt, global
        }
    }

// ------------------------------------------------------------------------------
// CTimerAppUi::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)
//  This function is called by the EIKON framework just before it displays
//  a menu pane. Its default implementation is empty, and by overriding it,
//  the application can set the state of menu items dynamically according
//  to the state of application data.
// ------------------------------------------------------------------------------
//
void CTimerAppUi::DynInitMenuPaneL(
    TInt /*aResourceId*/,CEikMenuPane* /*aMenuPane*/)
    {
    }

// ----------------------------------------------------
// CTimerAppUi::HandleKeyEventL(
//     const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
// takes care of key event handling
// ----------------------------------------------------
//
TKeyResponse CTimerAppUi::HandleKeyEventL(
    const TKeyEvent& /*aKeyEvent*/,TEventCode /*aType*/)
    {
    return EKeyWasNotConsumed;
    }

// ----------------------------------------------------
// CTimerAppUi::HandleCommandL(TInt aCommand)
// takes care of command handling
// ----------------------------------------------------
//
void CTimerAppUi::HandleCommandL(TInt aCommand)
    {
    switch ( aCommand )
        {
        case ETimerCmdSet:
            {
            TTimeIntervalSeconds duration=0;
            CAknDurationQueryDialog* dlg = CAknDurationQueryDialog::NewL(
                duration, CAknQueryDialog::ENoTone );
            TInt ret = dlg->ExecuteLD( R_TIMER_QUERY );
            if(ret)
                {
                TTime time(0);
                time+=duration;
                iTimer->Start(time);
                SetCbaL(R_TIMER_SOFTKEY_EMPTY_CANCEL);
                }
            break;
            }
        case ETimerCmdCancel:
            {
            iTimer->Stop();
            TTime time(0);
            iModel->SetTime(time);
            iAppContainer->RefreshL();
            SetCbaL(R_TIMER_SOFTKEY_SET_EXIT);
            break;
            }
        case EAknSoftkeyBack:
        case EEikCmdExit:
            {
            Exit();
            break;
            }
        default:
            {
            TBuf<32> buf;
            _LIT(KCommandAsString, "Command ");
            buf.Append(KCommandAsString);
            buf.AppendNum(aCommand);
            User::InfoPrint(buf);
            break;
            }
        }
    iAppContainer->RefreshL();
    }

void CTimerAppUi::SetCbaL(TInt aResourceId)
    {
    if ( aResourceId != 0 )
        {
        CEikButtonGroupContainer* cba = Cba();
        cba->SetCommandSetL(aResourceId);
        cba->DrawDeferred();
        }
    }

// End of File