dlgdhtmleventsdlg.cpp

[ShowHtmlSource.rar] - 获得WebBrowser控件中的HTML源码 [MyBand.rar] - ie band包括浏览框、桌面框、工具条

// dlgDHTMLEventsDlg.cpp : implementation file
//

#include "stdafx.h"
#include "dlgDHTMLEvents.h"
#include "dlgDHTMLEventsDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CDlgDHTMLEventsDlg dialog

CDlgDHTMLEventsDlg::CDlgDHTMLEventsDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgDHTMLEventsDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgDHTMLEventsDlg)
		// 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_bolLoaded = FALSE;

	//	modify this path accordingly 
	m_strBaseAddress = _T("c:\\dlgDHTMLEvents\\res");
}

void CDlgDHTMLEventsDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgDHTMLEventsDlg)
	DDX_Control(pDX, IDC_STATIC_VALUE, m_stcValue);
	DDX_Control(pDX, IDC_STATIC_EVENT, m_stcEvent);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDlgDHTMLEventsDlg, CDialog)
	//{{AFX_MSG_MAP(CDlgDHTMLEventsDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CREATE()
	ON_WM_SIZE()
	ON_BN_CLICKED(IDC_BUTTON_LOAD, OnButtonLoad)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgDHTMLEventsDlg message handlers

BOOL CDlgDHTMLEventsDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CDlgDHTMLEventsDlg::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 CDlgDHTMLEventsDlg::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 CDlgDHTMLEventsDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

int CDlgDHTMLEventsDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	m_pBrowser = NULL;	
	CRect rect;

	this->GetClientRect(&rect);

	m_pBrowser = new CWebBrowser2;

	ASSERT(m_pBrowser);
	BOOL bwb;
	bwb = m_pBrowser->Create(NULL,
							NULL,
							WS_VISIBLE,
							rect,
							this,
							IDC_WBC);
	if (!bwb)
	{
		TRACE("failed to create browser/n");
		return 0;
	}

	VARIANT			varURL;
	VariantInit(&varURL);

	varURL.vt		= VT_BSTR;
	varURL.bstrVal	= ::SysAllocString(L"about:blank");

	m_pBrowser->Navigate2(&varURL, NULL, NULL, NULL, NULL);
	VariantClear(&varURL);
	
	return 0;
}

void CDlgDHTMLEventsDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);

	if (m_pBrowser)
	{
		m_pBrowser->SetWidth(cx);
		m_pBrowser->SetHeight(cy);

		m_pBrowser->MoveWindow(0, 65, cx, cy-65);
	}	
}

void CDlgDHTMLEventsDlg::OnButtonLoad() 
{
	LoadHTMLPage(m_strBaseAddress);
}

void CDlgDHTMLEventsDlg::LoadHTMLPage(CString strBaseAddress)
{
	short sResult = FALSE;

	HRESULT hr;
	CString strhtml;
	HGLOBAL hHMLText;
	IStream* pIStream = NULL;
	COleVariant noArg;
	IPersistStreamInit* pPersistStreamInit = NULL;

	LPDISPATCH pHTMLDoc = NULL;
	LPTSTR lpsz			= NULL;

	pHTMLDoc = m_pBrowser->GetDocument();

	DWORD dwIDR_HTMLResource;

	dwIDR_HTMLResource = IDR_HTML;

	LPVOID lpvHTMLResource =(LPVOID)::LoadResource(
		NULL,
		::FindResource(	NULL,
						MAKEINTRESOURCE(dwIDR_HTMLResource),
						RT_HTML));

	strhtml =(LPCTSTR)lpvHTMLResource;

	INT nIndex = strhtml.Find(_T("<BASE>"), 0);
	CString strBase(_T(" HREF='"));
	strBase += strBaseAddress + _T("\\'");
	strhtml.Insert(nIndex + 5, strBase);
	

	lpsz = new TCHAR[strhtml.GetLength()+1];
	_tcscpy(lpsz, strhtml);

	hHMLText = ::GlobalAlloc(GPTR, lstrlen (lpsz) + 1);
	lstrcpy ((CHAR*)hHMLText, lpsz);
	
	hr = ::CreateStreamOnHGlobal(hHMLText, TRUE, &pIStream);
	if (hr) goto cleanup;

	hr = pHTMLDoc->QueryInterface(IID_IPersistStreamInit,
								(void**)&pPersistStreamInit);
	if (hr) goto cleanup;
	hr = pPersistStreamInit->InitNew();
	if (hr) goto cleanup;

	hr = pPersistStreamInit->Load(pIStream);

	m_bolLoaded = TRUE;

cleanup:

	if(pHTMLDoc) pHTMLDoc->Release();
	if(pPersistStreamInit) pPersistStreamInit->Release();
	if(pIStream) pIStream->Release();
	if (lpsz) delete [] lpsz;

	pHTMLDoc = NULL;
	pPersistStreamInit = NULL;
	pIStream = NULL;
}

BEGIN_EVENTSINK_MAP(CDlgDHTMLEventsDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CDlgDHTMLEventsDlg)
	ON_EVENT(CDlgDHTMLEventsDlg, IDC_WBC, 250 /* BeforeNavigate2 */, OnBeforeNavigate2, VTS_DISPATCH VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PBOOL)
	ON_EVENT(CDlgDHTMLEventsDlg, IDC_WBC, 259 /* DocumentComplete */, OnDocumentComplete, VTS_DISPATCH VTS_PVARIANT)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CDlgDHTMLEventsDlg::OnBeforeNavigate2(LPDISPATCH pDisp,
										   VARIANT FAR* URL,
										   VARIANT FAR* Flags,
										   VARIANT FAR* TargetFrameName,
										   VARIANT FAR* PostData,
										   VARIANT FAR* Headers,
										   BOOL FAR* Cancel) 
{
	
	CString strURL(URL->bstrVal);
	CString strXML(strURL.Right(strURL.GetLength()-6));
	strXML.Replace("%20", " ");

	if(strURL == _T("about:blank"))
		*Cancel = FALSE;
	else
	{
		ExtractXMLInfo(strXML);
		*Cancel = TRUE;
	}
}

void CDlgDHTMLEventsDlg::OnDocumentComplete(LPDISPATCH pDisp, VARIANT FAR* URL) 
{
	if( !m_bolLoaded)
		LoadHTMLPage(m_strBaseAddress);
}


void CDlgDHTMLEventsDlg::ExtractXMLInfo(CString strXML)
{
	HRESULT hr;
	CComBSTR bstrxml (_T(strXML));

	MSXML2::IXMLDOMDocument* pxmlDoc	= NULL;


	hr = CoInitialize(NULL);

	if(FAILED(hr))
		return;
	
	hr = CoCreateInstance(	MSXML2::CLSID_DOMDocument, 
							NULL, 
							CLSCTX_INPROC_SERVER, 
							MSXML2::IID_IXMLDOMDocument, 
							(void**)&pxmlDoc);

	short sResult = FALSE;

	if(SUCCEEDED(hr))
	{
		hr = pxmlDoc->loadXML(bstrxml, &sResult);

		CComBSTR bstrValue;
		CComBSTR bstrProc;

		if(SUCCEEDED(hr))
		{
			if (sResult)
			{
				MSXML2::IXMLDOMNodeList*		pnodeList	= NULL;
				MSXML2::IXMLDOMNode*			pNode		= NULL;
				MSXML2::IXMLDOMNamedNodeMap*	pNodeMap	= NULL;
				MSXML2::IXMLDOMNode*			pattrNode	= NULL;

				hr = pxmlDoc->get_childNodes(&pnodeList);
				hr = pnodeList->get_item(0, &pNode);

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

				CString strattr=_T("idevent");
				BSTR bstrattr=strattr.AllocSysString();
				_variant_t varvalue;

				pNode->get_attributes(&pNodeMap);

				hr = pNodeMap->getNamedItem(bstrattr, &pattrNode);
				pattrNode->get_nodeValue(&varvalue);
				CString strAttr(varvalue.bstrVal);

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

				pNode->get_text(&bstrValue);
				CString strValue(bstrValue);

				EventHandler(atoi(strAttr), strValue);

				//	cleanup
				pNodeMap->Release();
				pattrNode->Release();
				pnodeList->Release();
				pNode->Release();

				::SysFreeString(bstrattr);
				VariantClear(&varvalue);
			}
		}
		pxmlDoc->Release();
	}

	CoUninitialize();
}

void CDlgDHTMLEventsDlg::EventHandler(INT nEvent, CString strValue)
{
	CString strEvent(_T(""));
	CString strMsg(_T("Value associated to event: "));

	m_stcEvent.SetWindowText(_T(""));
	m_stcValue.SetWindowText(_T(""));

	switch(nEvent)
	{
	case 1:
		strEvent = _T("Click event on 'End App' Button");
		strMsg = _T("No value associated to event");
		break;
	case 2:
		strEvent = _T("Click event on 'Validate' Button");
		strMsg = _T("No value associated to event");
		break;
	case 3:
		strEvent = _T("Click event on 'DHTML events' text");
		strMsg += strValue;
		break;
	case 4:
		strEvent = _T("Click event on Picture object");
		strMsg += strValue;
		break;
	case 5:
		strEvent = _T("OnChange event in Username Input element");
		strMsg += strValue;
		break;
	case 6:
		strEvent = _T("OnChange event in Password Input element");
		strMsg += strValue;
		break;
	case 7:
		strEvent = _T("OnMouseOver event on 'DHTML events' text");
		strMsg += strValue;
		break;
	}

	m_stcEvent.SetWindowText(strEvent);
	m_stcValue.SetWindowText(strMsg);

}