myvtm/Other/libwebbrowser/CWebBrowserDlg.cpp

// CWebBrowserDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "libwebbrowser.h"
#include "CWebBrowserDlg.h"
#include "afxdialogex.h"

// CWebBrowserDlg 对话框

IMPLEMENT_DYNAMIC(CWebBrowserDlg, CDialogEx)

CWebBrowserDlg::CWebBrowserDlg(CWnd* pParent /*=NULL*/)
	: CDialogEx(CWebBrowserDlg::IDD, pParent), m_WebIE(NULL), m_pHost(NULL), m_pICallBack(NULL)/*, m_hLoadEvent(NULL)*/
{

}

CWebBrowserDlg::CWebBrowserDlg(CPrintHostApi *pHost, IWebPrintCallBack* pICallBack, CWnd* pParent/* = NULL*/)
	: CDialogEx(CWebBrowserDlg::IDD, pParent), m_WebIE(NULL), m_pHost(NULL), m_pICallBack(NULL)
{
	m_pHost = pHost;
	m_pICallBack = pICallBack;
}

CWebBrowserDlg::~CWebBrowserDlg()
{
}

void CWebBrowserDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CWebBrowserDlg, CDialogEx)
	ON_MESSAGE(WM_LOADURLMESSAGE, &CWebBrowserDlg::OnLoadUrlMessage)
	ON_MESSAGE(WM_PRINTMESSAGE, &CWebBrowserDlg::OnPrintMessage)
	ON_WM_CLOSE()
END_MESSAGE_MAP()

BOOL CWebBrowserDlg::OnInitDialog()
{
	CDialogEx::OnInitDialog();

	HANDLE hEvent = OpenEvent(EVENT_ALL_ACCESS, FALSE, _T("WBCreateEvent"));

	if (hEvent)
	{
		SetEvent(hEvent);
		m_pHost->Debug("lytest OK to InitDialog of WebBrowser.");
	}

	bNaviError = FALSE;
	bLoadSucc = FALSE;
	
	::SetWindowPos(this->GetSafeHwnd(),HWND_TOP,0,0,0,0,SWP_HIDEWINDOW);//HWND_TOP

	return TRUE;
}

BEGIN_EVENTSINK_MAP(CWebBrowserDlg, CDialogEx)
	ON_EVENT(CWebBrowserDlg, IDC_EXPLORER1, 271, CWebBrowserDlg::NavigateErrorExplorer1, VTS_DISPATCH VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PBOOL)
	ON_EVENT(CWebBrowserDlg, IDC_EXPLORER1, 259, CWebBrowserDlg::DocumentCompleteExplorer1, VTS_DISPATCH VTS_PVARIANT)
	ON_EVENT(CWebBrowserDlg, IDC_EXPLORER1, 250, CWebBrowserDlg::BeforeNavigate2Explorer1, VTS_DISPATCH VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PVARIANT VTS_PBOOL)
	ON_EVENT(CWebBrowserDlg, IDC_EXPLORER1, 252, CWebBrowserDlg::NavigateComplete2Explorer1, VTS_DISPATCH VTS_PVARIANT)
END_EVENTSINK_MAP()


void CWebBrowserDlg::NavigateErrorExplorer1(LPDISPATCH pDisp, VARIANT* URL, VARIANT* Frame, VARIANT* StatusCode, BOOL* Cancel)
{
	m_pHost->Debug("lytest Enter NavigateErrorExplorer1");
	// TODO: 在此处添加消息处理程序代码
	//char* strUrl = _com_util::ConvertBSTRToString(URL->bstrVal);
	/*long error = StatusCode->lVal; */
	LONGLONG llCode = StatusCode->llVal;
	if (llCode > 505) // 非HTTP_STATUS
		llCode -= 0x800C0000L;
	ErrorCode error = (ErrorCode)llCode;
	printf("error=%x\n",error);
	// 发生了导航错误
	bNaviError = TRUE;
}

// WebBrowser成功Navigate并结束事件
void CWebBrowserDlg::DocumentCompleteExplorer1(LPDISPATCH pDisp, VARIANT* URL)
{
	m_pHost->Debug("lytest Enter DocumentCompleteExplorer1");
	IUnknown*  pUnk;
	LPDISPATCH lpWBDisp;
	HRESULT    hr;
	pUnk = m_WebIE->GetControlUnknown();

	hr = pUnk->QueryInterface(IID_IDispatch, (void**)&lpWBDisp);

	if (pDisp == lpWBDisp )
	{
		if(m_WebIE->get_ReadyState() == READYSTATE_COMPLETE && m_WebIE->get_Busy() == FALSE){
			//SetEvent(m_hLoadEvent); // add by ly
			m_pHost->Debug("lytest last Enter DocumentCompleteExplorer1");
			if (bNaviError == TRUE)
			{
				bLoadSucc = FALSE;
				m_pICallBack->LoadCallBack(FALSE);
			}
			else
			{
				bLoadSucc = TRUE;
				m_pICallBack->LoadCallBack(TRUE);
			}

			bNaviError = FALSE; // 还原错误状态标志
		}
	}

	lpWBDisp->Release();
}

afx_msg LRESULT CWebBrowserDlg::OnLoadUrlMessage(WPARAM wParam, LPARAM lParam)
{
	CString Url = (LPCTSTR)lParam; //"C:\\打印预览.htm";
	m_pHost->Debug("[Got LoadUrlMessage] load %s", (LPCTSTR)Url);
	if(m_WebIE != NULL){
		if (m_WebIE->DestroyWindow()) {
			m_pHost->Debug("[OnLoadUrlMessage] OK to destroy window of webbrowser.");
			//删除对象
			delete m_WebIE;
			m_WebIE = NULL;
		}
		else {
			m_pHost->Debug("[OnLoadUrlMessage] Fail to destroy window of webbrowser.");
			//删除对象
			delete m_WebIE;
			m_WebIE = NULL;
			m_pICallBack->LoadCallBack(FALSE);
			return 1;
		}
	}
	m_WebIE = new CExplorer1();
	CRect Rect;
	this->GetClientRect(&Rect);
	if (m_WebIE->Create(NULL, NULL, WS_VISIBLE, Rect, this, IDC_EXPLORER1)) {
		m_pHost->Debug("[OnLoadUrlMessage] OK to create webbrowser.");
	}
	else {
		m_pHost->Debug("[OnLoadUrlMessage] Fail to create webbrowser.");
		m_pICallBack->LoadCallBack(FALSE);
		return 1;
	}

	COleVariant noArg;
	m_WebIE->Navigate((LPCTSTR)Url, &noArg, &noArg, &noArg, &noArg);

	//VARIANT vt;
	//COleVariant varMyURL = _T(Url);
	//m_WebIE->Navigate2(varMyURL, &vt, &vt, &vt, &vt);

	return 0;
}

afx_msg LRESULT CWebBrowserDlg::OnPrintMessage(WPARAM wParam, LPARAM lParam)
{
	//打印 （不提示用户）
	if (bLoadSucc == TRUE && m_WebIE) // 加载成功才能打印
	{
		m_WebIE->ExecWB(OLECMDID_PRINT,OLECMDEXECOPT_DONTPROMPTUSER,NULL,NULL);
		DWORD bRet = GetLastError();
		if(0 == bRet) {
			m_pICallBack->PrintCallBack(TRUE);
		}
		else {
			m_pHost->Debug("lytest call ExecWB failed(%d).", bRet);
			m_pICallBack->PrintCallBack(FALSE);
		}
	}
	else
	{
		m_pICallBack->PrintCallBack(FALSE);
	}

	bLoadSucc = FALSE;
	return 0;
}


void CWebBrowserDlg::OnClose()
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	if (m_WebIE != NULL)
	{
		delete m_WebIE;
		m_WebIE = NULL;
		m_pHost->Debug("lytest WebIE destroyed.");
	}
	CDialogEx::OnClose();
}

void CWebBrowserDlg::BeforeNavigate2Explorer1(LPDISPATCH pDisp, VARIANT* URL, VARIANT* Flags, VARIANT* TargetFrameName, VARIANT* PostData, VARIANT* Headers, BOOL* Cancel)
{
	// TODO: 在此处添加消息处理程序代码
}

void CWebBrowserDlg::NavigateComplete2Explorer1(LPDISPATCH pDisp, VARIANT* URL)
{
	// TODO: 在此处添加消息处理程序代码
}