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// TimeMon.cpp : implementation of the CTimeMonitor class 
// 
#include "stdafx.h" 
#include "TimeMon.h" 
 
// Predefined event id for timer 
#define ID_TIME_MONITOR 0x10012 
 
///////////////////////////////////////////////////////////////////////////// 
// CTimeMonitor message handlers 
 
BEGIN_MESSAGE_MAP(CTimeMonitor, CCardioMonitor) 
	//{{AFX_MSG_MAP(CTimeMonitor) 
		ON_WM_TIMER() 
		ON_WM_PAINT() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
CTimeMonitor::CTimeMonitor( CCardioSubject * pCardioSubject ) : CCardioMonitor( pCardioSubject ) 
{ 
	// Step 1 - Initialize class members 
	m_nDuration		= pCardioSubject->GetDuration(); 
	m_tsElapsedTime	= CTimeSpan( 0, 0, 0, 0 ); 
} 
 
CTimeMonitor::~CTimeMonitor() 
{ 
} 
 
BOOL CTimeMonitor::Update( CSubject * pSubject ) 
{ 
	// Step 1 - Make sure the right subject updates the time monitor 
	if( m_pCardioSubject != pSubject ) 
	{ 
		return FALSE; 
	} 
	// Step 2 - Update the window with the elapsed time 
	Invalidate(); 
	return TRUE; 
} 
 
BOOL CTimeMonitor::Create( const RECT & rRect, CWnd * pParentWnd, UINT nID ) 
{ 
	// Step 1 - Adjust Rectangle 
	CRect WndRect = CRect( rRect.left, rRect.top, rRect.left + 140, rRect.top + 120 ); 
	// Step 2 - Create window 
	return CWnd::Create( NULL, NULL, WS_VISIBLE | WS_BORDER | WS_CHILD | WS_TABSTOP,  
		WndRect, pParentWnd, nID ); 
} 
 
void CTimeMonitor::OnPaint()  
{ 
	CRect		ClientRect; 
	CRect		DrawRect; 
	CRect		TitleRect; 
	CString	csTitle = "Time Monitor"; 
	CString	csText1 = "Total     Time"; 
	CString	csText2 = "Elapsed Time"; 
	CString	csTotalTime		= itoa( m_nDuration, "           ", 10 ) + CString( ":00" ); 
	CString	csElapsedTime	= m_tsElapsedTime.Format( "%M:%S" ); 
 
	CPaintDC dc(this); 
 
	// Step 1 - Set background color, mode and text color 
	GetClientRect( ClientRect ); 
	dc.FillSolidRect( ClientRect, RGB( 255, 0, 0 ) ); 
	TitleRect = CRect( ClientRect.left, ClientRect.top, ClientRect.right, ClientRect.top + 30 ); 
	dc.FillSolidRect( TitleRect, RGB( 0, 128, 128 ) ); 
	dc.SetBkMode( TRANSPARENT ); 
	dc.SetTextColor( RGB( 255, 255, 255 ) ); 
 
	// Step 2 - Set the text 
	DrawRect = CRect( ClientRect.left, ClientRect.top + 5, ClientRect.right, ClientRect.top + 45 ); 
	dc.DrawText( csTitle, DrawRect, DT_CENTER | DT_WORDBREAK ); 
 
	DrawRect = CRect( ClientRect.left + 15, ClientRect.top + 35, ClientRect.left + 80, ClientRect.top + 75 ); 
	dc.DrawText( csText1, DrawRect, DT_LEFT | DT_WORDBREAK ); 
 
	DrawRect = CRect( ClientRect.left + 85, ClientRect.top + 40, ClientRect.left + 135, ClientRect.top + 60 ); 
	dc.DrawText( csTotalTime, DrawRect, DT_LEFT | DT_WORDBREAK ); 
 
	DrawRect = CRect( ClientRect.left + 15, ClientRect.top + 75, ClientRect.left + 80, ClientRect.top + 115 ); 
	dc.DrawText( csText2, DrawRect, DT_LEFT | DT_WORDBREAK ); 
	 
	DrawRect = CRect( ClientRect.left + 85, ClientRect.top + 80, ClientRect.left + 135, ClientRect.top + 105 ); 
	dc.DrawText( csElapsedTime, DrawRect, DT_LEFT | DT_WORDBREAK ); 
} 
 
void CTimeMonitor::OnTimer( UINT nIDEvent )  
{ 
	// Step 1 - Timer will be fired every second, so increment the time span every second 
	m_tsElapsedTime += CTimeSpan( 0, 0, 0, 1 ); 
	// Step 2 - Update the cardio subject 
	m_pCardioSubject->SetElapsedTime( m_tsElapsedTime ); 
	// Step 3 - Check if the duration is completed, to stop the timer. Convert  
	// everything to seconds and compare it 
	if( m_tsElapsedTime.GetTotalSeconds() >= m_nDuration * 60 ) 
	{ 
		Stop(); 
	} 
	CWnd::OnTimer( nIDEvent ); 
} 
 
BOOL CTimeMonitor::Start() 
{ 
	// Step 1 - Check if the duration is not elapsed to start the timer 
	if( m_tsElapsedTime.GetTotalSeconds() < m_nDuration * 60 ) 
	{ 
		SetTimer( ID_TIME_MONITOR, 1000, NULL ); 
		return TRUE; 
	} 
	return FALSE; 
} 
 
VOID CTimeMonitor::Stop() 
{ 
	// Step 1 - Kill the timer 
	KillTimer( ID_TIME_MONITOR ); 
}