/*--

Copyright (C) Microsoft Corporation, 2006

Events Update() routine implementation

--*/

#include "stdafx.h"
#include "EraseTest.h"
#include "EraseEventTest.h"


VOID DeleteCurrentLine2()
{
    printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
           "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
           "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
           );
    return;
}

VOID OverwriteCurrentLine2()
{
    printf("                                        "
           "                                        "
           );
    return;
}

VOID UpdatePercentageDisplay2(IN ULONG Numerator, IN ULONG Denominator)
{
    ULONG percent = 0;
    ULONG i = 0;

    if (Numerator > Denominator) 
    {
        return;
    }

    // NOTE: Overflow possibility exists for large numerators.

    percent = (Numerator * 100) / Denominator;

    // each block is 2%
    // ----=----1----=----2----=----3----=----4----=----5----=----6----=----7----=----8
    // ±.....................

    for (i=1; i<100; i+=2) 
    {
        if (i < percent) 
        {
            putchar(178);
        } 
        else if (i == percent) 
        {
            putchar(177);
        } 
        else 
        {
            putchar(176);
        }
    }
    printf(" %d%%", percent);
}

STDMETHODIMP_(VOID) CTestEraseEvent::Update(IDispatch* object, LONG elapsedTime, LONG totalTime)
{
    UNREFERENCED_PARAMETER (object);

    DeleteCurrentLine2();

    UpdatePercentageDisplay2(elapsedTime, totalTime);

    return;
}