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90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
// MACProgressHelper.cpp: implementation of the CMACProgressHelper class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "All.h"
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#include "MACProgressHelper.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CMACProgressHelper::CMACProgressHelper(int nTotalSteps, int * pPercentageDone, APE_PROGRESS_CALLBACK ProgressCallback, int * pKillFlag)
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{
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m_pKillFlag = pKillFlag;
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m_bUseCallback = FALSE;
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if (ProgressCallback != NULL)
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{
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m_bUseCallback = TRUE;
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m_CallbackFunction = ProgressCallback;
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}
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m_pPercentageDone = pPercentageDone;
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m_nTotalSteps = nTotalSteps;
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m_nCurrentStep = 0;
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m_nLastCallbackFiredPercentageDone = 0;
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UpdateProgress(0);
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}
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CMACProgressHelper::~CMACProgressHelper()
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{
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}
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void CMACProgressHelper::UpdateProgress(int nCurrentStep, BOOL bForceUpdate)
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{
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//update the step
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if (nCurrentStep == -1)
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m_nCurrentStep++;
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else
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m_nCurrentStep = nCurrentStep;
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//figure the percentage done
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float fPercentageDone = float(m_nCurrentStep) / float(max(m_nTotalSteps, 1));
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int nPercentageDone = (int) (fPercentageDone * 1000 * 100);
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if (nPercentageDone > 100000) nPercentageDone = 100000;
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//update the percent done pointer
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if (m_pPercentageDone)
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{
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*m_pPercentageDone = nPercentageDone;
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}
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//fire the callback
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if (m_bUseCallback)
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{
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if (bForceUpdate || (nPercentageDone - m_nLastCallbackFiredPercentageDone) >= 1000)
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{
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m_CallbackFunction(nPercentageDone);
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m_nLastCallbackFiredPercentageDone = nPercentageDone;
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}
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}
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}
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int CMACProgressHelper::ProcessKillFlag(BOOL bSleep)
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{
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//process any messages (allows repaint, etc.)
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if (bSleep)
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{
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PUMP_MESSAGE_LOOP
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}
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if (m_pKillFlag)
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{
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while (*m_pKillFlag == KILL_FLAG_PAUSE)
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{
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SLEEP(50);
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PUMP_MESSAGE_LOOP
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}
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if ((*m_pKillFlag != KILL_FLAG_CONTINUE) && (*m_pKillFlag != KILL_FLAG_PAUSE))
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{
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return -1;
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}
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}
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return 0;
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}
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