// VideoViewBase.cpp : implementation file

//



#include "stdafx.h"

#include "VideoViewBase.h"



#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif



/////////////////////////////////////////////////////////////////////////////

// CVideoViewBase



CVideoViewBase::CVideoViewBase()

{

	m_pActivePage = NULL;

	m_bMultiScreen = FALSE;

	m_nCurViewMode = 0;

	m_bFullScreen  = FALSE;

	m_bDrawActive  = TRUE;

	m_clrRect	   = RGB(255, 0, 0);

	m_clrBack      = RGB(127,127,127);

	m_bAutoSizeAdj = TRUE;

	m_nWorkMode    = 1; // 1 - live, 2 - play

	m_nButtom	   = 0;

	m_nRight       = 0;

	m_nCurStartChn = 0;

}



CVideoViewBase::~CVideoViewBase()

{

}



BEGIN_MESSAGE_MAP(CVideoViewBase, CWnd)

	//{{AFX_MSG_MAP(CVideoViewBase)

	//}}AFX_MSG_MAP

END_MESSAGE_MAP()





/////////////////////////////////////////////////////////////////////////////

// CVideoViewBase message handlers



BOOL CVideoViewBase::Create( LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext )

{

	dwStyle|=WS_EX_TOOLWINDOW;

	

	return CWnd::Create(lpszClassName,lpszWindowName,dwStyle,rect,pParentWnd,nID,pContext );

}



//	全屏显示

void CVideoViewBase::SetFullScreen(BOOL bFlag)

{

	if(bFlag == m_bFullScreen) return;

	

	m_bFullScreen = bFlag;

	if( bFlag )

	{//全屏

		//得到显示器分辨率

		int cx = GetSystemMetrics(SM_CXSCREEN);

		int cy = GetSystemMetrics(SM_CYSCREEN);

		

		// 保存位置信息

		GetWindowPlacement(&_temppl);

		//修改风格

		ModifyStyle(WS_CHILD, WS_POPUP);

		ModifyStyleEx(0, WS_EX_TOOLWINDOW);

		//修改父窗口

		_tempparent = SetParent(NULL);//m_hWnd, ::GetDesktopWindow());

	

		//AfxGetMainWnd()->ShowWindow(SW_HIDE);

		//移动窗口;

		MoveWindow(0, 0, cx, cy, TRUE);

		//::SetWindowPos(m_hWnd, HWND_TOPMOST,0,0,cx,cy,SWP_NOMOVE|SWP_NOSIZE);

		::SetWindowPos(m_hWnd, HWND_TOPMOST,0,0,cx,cy,SWP_NOMOVE|SWP_NOSIZE);

	}

	else if(_tempparent)

	{	//还原

		//还原父窗口

		//_tempparent->ShowWindow(SW_SHOW);

		SetParent(_tempparent);

		//还原风格

		ModifyStyle(WS_POPUP, WS_CHILD);

		//还原位置

		SetWindowPlacement(&_temppl);

		_tempparent->SetFocus();

	}

	//Invalidate();

}



//	多屏显示

void CVideoViewBase::SetMultiScreen(BOOL bFlag)

{

	//if(m_bMultiScreen == bFlag) return;

	m_bMultiScreen = bFlag;

	CRect rc;

	GetRefrenRect(rc);

	rc.left --;

	rc.right ++;

	rc.top --;

	rc.bottom += 3;

	InvalidateRect(rc);

}

void CVideoViewBase::SetActivePage(VideoWndChn *pWnd, BOOL bRepaint)

{

	// check parameter

	if(	!pWnd || !IsWindow(pWnd->m_hWnd) )	return;

	

	// if pWnd is the Active Page, return 

	if( m_pActivePage == pWnd ) return;

	if(!m_bMultiScreen || m_PageList.GetCount() == 1) return;

	//TRACE("Set ActivePage : %d\n", ((CVideoWnd*)pWnd)->GetWinID());

	

	// check list

	POSITION pos=m_PageList.Find(pWnd);

	if(pos==NULL)

	{

		TRACE("__This Window is not a member of container, the operation will terminate.\n");

		return;

	}

	

	if(bRepaint) UpdateWnd();

	

	if( m_bDrawActive ) 

		DrawActivePage(FALSE);

	

	m_pActivePage = pWnd;

	

	if( m_bDrawActive )

		DrawActivePage(TRUE);



	//if(m_pActivePage && m_nWorkMode == 1)

	//	pOcx->LiveActiveEvent(m_pActivePage->m_lHandle, m_pActivePage->m_nStreamInx);

}



void CVideoViewBase::SetDrawActiveRect(BOOL bFlag, COLORREF clrRect)

{

	if(m_bDrawActive==bFlag) return;

	if(bFlag)

	{

		m_clrRect = clrRect;

	}

	m_bDrawActive = bFlag;

	DrawActivePage(bFlag);

}



// 计算窗口位置和尺寸

void CVideoViewBase::CalcPageRect(LPRECT lpRect, int nIndex, int nPageCount)

{

	int nWidth;

	int nHeight;

	CPoint pt;

	if((nPageCount<=0)||(nIndex>=nPageCount))

	{

		lpRect->left=lpRect->right=lpRect->top=lpRect->bottom=0;

		return;

	}

	//get row count

	if(    m_nCurViewMode == VIDEO_MODE_1

		|| m_nCurViewMode == VIDEO_MODE_4

		|| m_nCurViewMode == VIDEO_MODE_9

		|| m_nCurViewMode == VIDEO_MODE_16

		|| m_nCurViewMode == VIDEO_MODE_25

		|| m_nCurViewMode == VIDEO_MODE_36)

	{

		int nRow=0;

		while((nRow)*(nRow)<m_nCurViewMode) nRow++;

		//get singledlg width and height

		nWidth=(lpRect->right-lpRect->left)/nRow;

		nHeight=(lpRect->bottom-lpRect->top)/nRow;

		

		//get top-left point

		

		pt.x=lpRect->left+nWidth*(nIndex%nRow);

		pt.y=lpRect->top+nHeight*(nIndex/nRow);

	}

	else if(m_nCurViewMode == VIDEO_MODE_2)

	{

		nWidth  = (lpRect->right - lpRect->left) / 2;

		nHeight = (lpRect->bottom - lpRect->top);

		pt.x = lpRect->left + nWidth * nIndex;

		pt.y = lpRect->top;

	}

	else if(m_nCurViewMode == VIDEO_MODE_6)

	{

		nWidth=(lpRect->right-lpRect->left)/3;

		nHeight=(lpRect->bottom-lpRect->top)/3;

		if(nIndex == 0)

		{

			pt.x = lpRect->left;

			pt.y = lpRect->top;

			nWidth <<= 1;

			nHeight <<= 1;

		}

		else if(nIndex >= 1 && nIndex <= 2)

		{

			pt.x = lpRect->left + nWidth * 2;

			pt.y = lpRect->top + nHeight * (nIndex - 1);

		}

		else

		{

			pt.x = lpRect->left + nWidth * (nIndex - 3);

			pt.y = lpRect->top + nHeight * 2;

		}

	}

	else if(m_nCurViewMode == VIDEO_MODE_8)

	{

		nWidth=(lpRect->right-lpRect->left)/4;

		nHeight=(lpRect->bottom-lpRect->top)/4;

		if(nIndex == 0)

		{

			pt.x = lpRect->left;

			pt.y = lpRect->top;

			nWidth *= 3;

			nHeight *= 3;

		}

		else if(nIndex >= 1 && nIndex <= 3)

		{

			pt.x = lpRect->left + nWidth * 3;

			pt.y = lpRect->top + nHeight * (nIndex - 1);

		}

		else

		{

			pt.x = lpRect->left + nWidth * (nIndex - 4);

			pt.y = lpRect->top + nHeight * 3;

		}

	}

	else if(m_nCurViewMode == VIDEO_MODE_13)

	{

		nWidth=(lpRect->right-lpRect->left)/4;

		nHeight=(lpRect->bottom-lpRect->top)/4;

		if( (nIndex >= 0 && nIndex <= 4))

		{

			pt.x=lpRect->left+nWidth*(nIndex%4);

			pt.y=lpRect->top+nHeight*(nIndex/4);

		}

		else if(nIndex >= 9 && nIndex <= 12)

		{

			pt.x=lpRect->left+nWidth*((nIndex-9)%4);

			pt.y=lpRect->top+nHeight*3;

		}

		else if(nIndex == 5)

		{

			pt.x=lpRect->left+nWidth;

			pt.y=lpRect->top+nHeight;

			nWidth *= 2;

			nHeight *= 2;

		}

		else if(nIndex == 6)

		{

			pt.x=lpRect->left+nWidth*3;

			pt.y=lpRect->top+nHeight;

		}

		else if(nIndex == 7)

		{

			pt.x=lpRect->left;

			pt.y=lpRect->top+nHeight*2;

		}

		else if(nIndex == 8)

		{

			pt.x=lpRect->left+nWidth*3;

			pt.y=lpRect->top+nHeight*2;

		}

	}

	else if(m_nCurViewMode == VIDEO_MODE_20)

	{

		nWidth=(lpRect->right-lpRect->left)/6;

		nHeight=(lpRect->bottom-lpRect->top)/6;

		if( (nIndex >=0 && nIndex <= 1))

		{

			nWidth  *= 3;

			nHeight *= 3;

			pt.x=lpRect->left+ nWidth * (nIndex%2);

			pt.y=lpRect->top;

		}

		else

		{

			nIndex -= 2;	

			pt.x=lpRect->left+nWidth*(nIndex%6);

			pt.y=lpRect->top+ nHeight*(3 + nIndex/6);

		}

	}

	else if(m_nCurViewMode >= VIDEO_MODE_PAN_2 && m_nCurViewMode <= VIDEO_MODE_PAN_8)

	{

		nWidth=(lpRect->right-lpRect->left) / (m_nCurViewMode - VIDEO_MODE_PAN);

		nHeight=(lpRect->bottom-lpRect->top);

		pt.x=lpRect->left + nWidth * nIndex;

		pt.y=lpRect->top;

	}

	else

	{

		TRACE("not support this viewmode \n");

		return;

	}



	//set rect return back

	lpRect->left=pt.x;

	lpRect->top=pt.y;

	lpRect->right=lpRect->left+nWidth;

	lpRect->bottom=lpRect->top+nHeight;

}

//	画激活窗口边框

void CVideoViewBase::DrawActivePage(BOOL bFlag)

{

	if( !m_bMultiScreen || 

		!m_pActivePage	|| 

		m_PageList.GetCount()<2 

		) return;

	

	CRect rt;

	m_pActivePage->GetWindowRect(&rt);

	ScreenToClient(&rt);

	rt.InflateRect(1,1);

	//TRACE("SetDrawActivePage :%d\n", bFlag);

	if(bFlag)

	{

		CDC *pDC=GetDC();

		if(!pDC) return;

		

		//pDC->Draw3dRect(&rt,RGB(70,255,40), RGB(70,255,40));

		pDC->Draw3dRect(&rt,m_clrRect, m_clrRect);

		rt.InflateRect(1,1);

		pDC->Draw3dRect(&rt, m_clrRect, m_clrRect);

		

		ReleaseDC(pDC);

	}

	else

	{

		CDC *pDC=GetDC();

		if(!pDC) return;

		pDC->Draw3dRect(&rt, m_clrBack, m_clrBack);

		rt.InflateRect(1,1);

		pDC->Draw3dRect(&rt, m_clrBack, m_clrBack);

		ReleaseDC(pDC);

	}

}



void CVideoViewBase::GetRefrenRect(CRect &rcRect)

{

	GetClientRect(&rcRect);

	if(m_nWorkMode == 1)

		rcRect.DeflateRect(1,1);

	rcRect.bottom -= m_nButtom;

	rcRect.right  -= m_nRight;

}



void CVideoViewBase::UpdateWnd()

{

	if(!IsWindowVisible()||IsIconic()) return;



	//得到窗口的设备坐标

	CRect rtContainer;

	GetRefrenRect(rtContainer);

	/*GetClientRect(&rtContainer);

	if(m_nWorkMode == 1)

		rtContainer.DeflateRect(1,1);

	if(m_nButtom)

		rtContainer.bottom -= m_nButtom;

	*/

	if(m_bMultiScreen)

	{ //多屏状态

		CRect rt;

		int nCount = m_PageList.GetCount();

		int i=0;

		POSITION pos;

		for(pos = m_PageList.GetHeadPosition(); pos != NULL;)

		{

			VideoWndChn *p = m_PageList.GetNext(pos);

			rt = rtContainer;

			CalcPageRect(&rt, i, nCount);

			rt.DeflateRect(WINDOW_SPACE, WINDOW_SPACE, WINDOW_SPACE, WINDOW_SPACE); //窗口之间的间隔

			p->MoveWindow(&rt);

			i++;

		}

		for(pos = m_PageList.GetHeadPosition(); pos != NULL;)

		{

			VideoWndChn *p = m_PageList.GetNext(pos);

			p->ShowWindow(SW_SHOW);

		}

		if( m_bDrawActive && m_PageList.GetCount() > 1 ) 

			DrawActivePage(TRUE);

	}

	else

	{ //单屏状态

		for(POSITION pos = m_PageList.GetHeadPosition();pos!=NULL;)

		{

			VideoWndChn *p = m_PageList.GetNext(pos);

			if(!m_pActivePage || p == m_pActivePage)

			{

				m_pActivePage = p;

				p->MoveWindow(&rtContainer);

				p->ShowWindow(SW_SHOW);

				//DPINFO(("Show\n"));

			}

			else 

			{

				p->ShowWindow(SW_HIDE);

				//DPINFO(("Hide\n"));

			}

		}

	}

}



BOOL CVideoViewBase::AddPage(VideoWndChn *pWnd)

{

	// check parameter

	if(	!pWnd || !IsWindow(pWnd->m_hWnd) )	return FALSE;

	

	// check list 

	POSITION pos = m_PageList.Find(pWnd);

	if(pos) 

	{

		TRACE("This Window has been added to container, the operation will terminate.\n");

		return TRUE;

	}

	

	// added page

	m_PageList.AddTail(pWnd);

	

	return TRUE;

}



VideoWndChn *CVideoViewBase::DelPage(VideoWndChn *pWnd)

{

	// check list

	POSITION pos = m_PageList.Find(pWnd);

	if(!pos)

	{

		TRACE("This Window is not a member of container, the operation will terminate.\n");

		return NULL;

	}

	/*if(pWnd == m_pActivePage)

	{

		if(m_pActivePage == GetPrevPage(pWnd))//m_PageList.IsEmpty()?NULL:m_PageList.GetHead();

			m_pActivePage = NULL;

		else

			m_pActivePage = GetPrevPage(pWnd);

	}*/

	if(pWnd == m_pActivePage)

		m_pActivePage = NULL;

	m_PageList.RemoveAt(pos);

	

	if (pWnd)

		pWnd->ShowWindow(SW_HIDE);

	

	return pWnd;

}