S60 3rd Edition SDK for Symbian OS Example Applications Guide

LandmarksLmOpWrapper.cpp

/*
* ==============================================================================
*  Name        : LandmarksLmOpWrapper.cpp
*  Part of     : Landmark Reference Application
*  Interface   : -
*  Description : Implements the CLandmarksLmOpWrapper class
*  Version     : 1.0
*
*  Copyright (c) 2004-2006 Nokia Corporation.
*  This material, including documentation and any related 
*  computer programs, is protected by copyright controlled by 
*  Nokia Corporation.
* ==============================================================================
*/

// INCLUDE FILES
#include <EPos_Landmarks.h>
#include <Epos_CPosLmOperation.h>

#include "LandmarksLmOpWrapper.h"

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

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::CLandmarksLmOpWrapper
// C++ default constructor can NOT contain any code, that
// might leave.
// -----------------------------------------------------------------------------
//
CLandmarksLmOpWrapper::CLandmarksLmOpWrapper()
: CActive(CActive::EPriorityStandard)
    {
    CActiveScheduler::Add(this);
    }

// Destructor
CLandmarksLmOpWrapper::~CLandmarksLmOpWrapper()
    {
    Cancel();
    delete iLmOperation;
    iLmOperation = NULL;
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::StartOperation
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CLandmarksLmOpWrapper::StartOperation(
    CPosLmOperation* aLmOperation,
    TRequestStatus& aStatus,
    TBool aReportProgress)
    {
    delete iLmOperation;
    iLmOperation = aLmOperation;
    iCallerStatus = &aStatus;
    iReportProgress = aReportProgress;
    iProgress = 0;

    ExecuteNextStep();
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::LmOperationPtr
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
CPosLmOperation* CLandmarksLmOpWrapper::LmOperationPtr()
    {
    return iLmOperation;
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::ExecuteNextStep
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CLandmarksLmOpWrapper::ExecuteNextStep(TRequestStatus& aStatus)
    {
    iCallerStatus = &aStatus;
    ExecuteNextStep();
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::Progress
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
TInt CLandmarksLmOpWrapper::Progress()
    {
    return (TInt) (iProgress * 100);
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::DoCancel
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CLandmarksLmOpWrapper::DoCancel()
    {
    delete iLmOperation;
    iLmOperation = NULL;
    User::RequestComplete(iCallerStatus, KErrCancel);
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::RunL
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CLandmarksLmOpWrapper::RunL()
    {
    if (iStatus == KErrNone)
        {
        // Operation finished.
        User::RequestComplete(iCallerStatus, KErrNone);
        }
    else if (iStatus == KPosLmOperationNotComplete)
        {
        if (iReportProgress)
            {
            User::RequestComplete(iCallerStatus, KPosLmOperationNotComplete);
            }
        else
            {
            ExecuteNextStep();
            }
        }
    }

// -----------------------------------------------------------------------------
// CLandmarksLmOpWrapper::ExecuteNextStep
// 
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CLandmarksLmOpWrapper::ExecuteNextStep()
    {
    iStatus = KRequestPending;
    iLmOperation->NextStep(iStatus, iProgress);
    SetActive();
    }

// End of File

---

© Nokia 2006