// MpegImageDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MpegImage.h"
#include "MpegImageDlg.h"
#include "PathDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#define SLIDER_TIMER   100
#define SAVEIMAGE_TIMER 101
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMpegImageDlg dialog

CMpegImageDlg::CMpegImageDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMpegImageDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMpegImageDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_FilterGraph = NULL;
	m_SliderTimer = 0;
	m_SaveImageTimer = 0;
	m_strFilePath = "";
}

void CMpegImageDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMpegImageDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	DDX_Control(pDX, IDC_SLIDER_GRAPH, m_SliderGraph);
	DDX_Control(pDX, IDC_VIDEO_WINDOW, m_VideoWindow);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMpegImageDlg, CDialog)
	//{{AFX_MSG_MAP(CMpegImageDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_OPEN_BUTTON, OnOpenButton)
	ON_BN_CLICKED(ID_PLAY_BUTTON, OnPlayButton)
	ON_WM_TIMER()
	ON_BN_CLICKED(ID_IMAGE_BUTTON, OnImageButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMpegImageDlg message handlers

BOOL CMpegImageDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	m_VideoWindow.ModifyStyle(0, WS_CLIPCHILDREN);	

	m_SliderGraph.SetRange(0, 1000);
	m_SliderGraph.SetPos(0);

	GetDlgItem(ID_PLAY_BUTTON)->EnableWindow(FALSE);
	GetDlgItem(ID_IMAGE_BUTTON)->EnableWindow(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMpegImageDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMpegImageDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMpegImageDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMpegImageDlg::OnOpenButton() 
{
	// TODO: Add your control notification handler code here
	CString strFilter = 
	"MPEG File (*.mpg;*.mpeg)|*.mpg;*.mpeg|"
	"AVI File (*.avi)|*.avi|"
	"Mp3 File (*.mp3)|*.mp3|"
	"Wave File (*.wav)|*.wav|"
	"All Files (*.*)|*.*|";
	CFileDialog dlgOpen(TRUE, NULL, NULL, OFN_PATHMUSTEXIST | OFN_HIDEREADONLY, 
		strFilter, this);
	if (IDOK == dlgOpen.DoModal()) 
	{
		CString strSourceFile = dlgOpen.GetPathName();
		// Rebuild the file playback filter graph
		CMpegImageDlg::CreateGraph(strSourceFile);
		GetDlgItem(ID_OPEN_BUTTON)->EnableWindow(FALSE);
		GetDlgItem(ID_PLAY_BUTTON)->EnableWindow(TRUE);
	}	
}


void CMpegImageDlg::CreateGraph(const CString& strSourceFile)
{
	CMpegImageDlg::DestroyGraph();
	
	m_FilterGraph = new CDXGraph();
	if (m_FilterGraph->Create())
	{
		// Render the source clip
		m_FilterGraph->RenderFile(strSourceFile);
		// Set video window and notification window
		m_FilterGraph->SetDisplayWindow(m_VideoWindow.GetSafeHwnd());
		m_FilterGraph->SetNotifyWindow(this->GetSafeHwnd());
		// Show the first frame
		m_FilterGraph->Pause();
	}
}


void CMpegImageDlg::DestroyGraph(void)
{
	if(m_FilterGraph)
	{
		// Stop the filter graph first
		m_FilterGraph->Stop();
		m_FilterGraph->SetNotifyWindow(NULL);
		
		delete m_FilterGraph;
		m_FilterGraph = NULL;
	}
}

void CMpegImageDlg::OnPlayButton() 
{
	// TODO: Add your control notification handler code here
	if (m_FilterGraph)
	{
		GetDlgItem(ID_PLAY_BUTTON)->EnableWindow(FALSE);
		GetDlgItem(ID_IMAGE_BUTTON)->EnableWindow(TRUE);
		m_FilterGraph->Run();
		// Start a timer
		if (m_SliderTimer == 0)
		{
			m_SliderTimer = SetTimer(SLIDER_TIMER, 100, NULL);
		}
	}	
}

void CMpegImageDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	if (nIDEvent == m_SliderTimer && m_FilterGraph)
	{
		double pos = 0, duration = 1.;
		m_FilterGraph->GetCurrentPosition(&pos);
		m_FilterGraph->GetDuration(&duration);
		// Get the new position, and update the slider
		int newPos = int(pos * 1000 / duration);
		if (m_SliderGraph.GetPos() != newPos)
		{
			m_SliderGraph.SetPos(newPos);
		}
	}
	else if(nIDEvent == m_SaveImageTimer && m_FilterGraph)
	{
		CMpegImageDlg::SaveImage(m_strFilePath);
	}
	
	CDialog::OnTimer(nIDEvent);
}


BOOL CMpegImageDlg::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	if (m_SliderTimer)
	{
		KillTimer(m_SliderTimer);
		m_SliderTimer = 0;
	}

	if (m_SaveImageTimer)
	{
		KillTimer(m_SaveImageTimer);
		m_SaveImageTimer = 0;
	}

	return CDialog::DestroyWindow();
}


void CMpegImageDlg::OnImageButton() 
{
	// TODO: Add your control notification handler code here
	m_FilterGraph->Pause();
	// Start a timer
	if (m_SliderTimer == 0)
	{
		m_SliderTimer = SetTimer(SLIDER_TIMER, 100, NULL);
	}

	CString filepath = "";
	int iTimer = 1;
	CPathDlg pathdlg;
	if(pathdlg.DoModal() == IDOK)
	{
		filepath = pathdlg.m_strFilePath;
		iTimer = pathdlg.m_iTimer;
	}
	else 
	{
		m_FilterGraph->Run();
		// Start a timer
		if (m_SliderTimer == 0)
		{
			m_SliderTimer = SetTimer(SLIDER_TIMER, 100, NULL);
		}
		return;
	}
	
	if(filepath == "")
	{
		AfxMessageBox("請(qǐng)輸入保存路徑！");
		m_FilterGraph->Run();
		// Start a timer
		if (m_SliderTimer == 0)
		{
			m_SliderTimer = SetTimer(SLIDER_TIMER, 100, NULL);
		}
		return;
	}
	
	GetDlgItem(ID_IMAGE_BUTTON)->EnableWindow(false);

	CMpegImageDlg::CreateDir(filepath);
	m_strFilePath = filepath;
	
	m_FilterGraph->Run();
	// Start a timer
	if (m_SliderTimer == 0)
	{
		m_SliderTimer = SetTimer(SLIDER_TIMER, 100, NULL);
	}

	m_MyClientSocket.Init();
	m_SaveImageTimer = SetTimer(SAVEIMAGE_TIMER, iTimer*1000, NULL);
}


void CMpegImageDlg::CreateDir(CString strFilePath)
{
	CString strTempPath = strFilePath;
	if(strTempPath.IsEmpty())
		return;
	
	if(strTempPath.GetAt(strTempPath.GetLength() - 1) != '\\')
	{
		strTempPath += '\\';
	}
	int nCountTemp = 0;
	CString strPath = "";
	while (1) 
	{
		int nCount = strTempPath.Find("\\");		
		if (nCount != -1) 
		{
			strPath += strTempPath.Mid(nCountTemp, nCount + 1 - nCountTemp);
			::CreateDirectory(strPath, NULL);
			nCountTemp = nCount + 1;
			strTempPath.SetAt(nCount, '|');
		} 
		else 
		{
			break;
		}
	}
}


void CMpegImageDlg::SaveImage(CString filepath)
{
	if (m_FilterGraph)
	{		
			// Firstly grab a bitmap to a temp file
		filepath += CMpegImageDlg::GetFileName();
		char* szTemp = filepath.GetBuffer(255);;
		m_FilterGraph->SnapshotBitmap(szTemp);	
		m_MyClientSocket.SendFile(filepath);
		filepath.ReleaseBuffer();
	}
}


CString CMpegImageDlg::GetFileName()
{
	CTime tTime = CTime::GetCurrentTime();
	int iMinuter = tTime.GetMinute();
	int iSecond = tTime.GetSecond();
	CString strFileName = "";
	CString strTemp = "";
	strTemp.Format("%d", iMinuter);
	strFileName = strTemp;
	strTemp = "";
	strTemp.Format("%d", iSecond);
	strFileName += "_" + strTemp + ".bmp";
	return strFileName;
}