fixedhtmlview.cpp

myie的源代码

void CFixedHtmlView::OnQuit()
{
	// user will override to handle this notification
}

void CFixedHtmlView::OnVisible(BOOL bVisible)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(bVisible);
}

void CFixedHtmlView::OnToolBar(BOOL bToolBar)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(bToolBar);
}

void CFixedHtmlView::OnMenuBar(BOOL bMenuBar)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(bMenuBar);
}

void CFixedHtmlView::OnStatusBar(BOOL bStatusBar)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(bStatusBar);
}

void CFixedHtmlView::OnFullScreen(BOOL bFullScreen)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(bFullScreen);
}

void CFixedHtmlView::OnTheaterMode(BOOL bTheaterMode)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(bTheaterMode);
}
*/
void CFixedHtmlView::OnNavigateComplete2(LPCTSTR lpszURL)
{
	// user will override to handle this notification
	UNUSED_ALWAYS(lpszURL);
}

void CFixedHtmlView::OnBeforeNavigate2(LPCTSTR lpszURL, DWORD nFlags,
	LPCTSTR lpszTargetFrameName, BOOL baPostData,
	LPCTSTR lpszHeaders, BOOL* bCancel)
{
	// default to continuing
	*bCancel = FALSE;

	// user will override to handle this notification
	UNUSED_ALWAYS(lpszURL);
	UNUSED_ALWAYS(nFlags);
	UNUSED_ALWAYS(lpszTargetFrameName);
	UNUSED_ALWAYS(baPostData);
	UNUSED_ALWAYS(lpszHeaders);
}

void CFixedHtmlView::OnStatusTextChange(LPCTSTR pszText)
{
	// try to set the status bar text via the frame

//	CFrameWnd* pFrame = GetParentFrame();
//	if (pFrame != NULL)
//		pFrame->SetMessageText(pszText);
}

BOOL CFixedHtmlView::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext) 
{
	// TODO: Add your specialized code here and/or call the base class
	
		// create the view window itself
	//AfxEnableControlContainer();

	try{
//	m_pCreateContext = pContext;
	if (!CView::Create(lpszClassName, lpszWindowName,
				dwStyle, rect, pParentWnd,  nID, pContext))
	{
		return FALSE;
	}

//327
	RECT rectClient;
	if(m_bMax==1)
	{
		::GetClientRect(pMainFrame->m_hWndMDIClient, &rectClient);
		rectClient.top -= 2;
		rectClient.left -= 2;
		rectClient.bottom += 2;
		rectClient.right += 2;
	}
	else
	{
		rectClient.top = rect.top - 2;
		rectClient.left = rect.left - 2;
		rectClient.bottom = rect.bottom + 2;
		rectClient.right = rect.right + 2;
	}

//end 327
	
	if(!m_wndBrowser.Create ("Browser", WS_VISIBLE|WS_CHILD|WS_TABSTOP, rectClient, this, IDC_BROWSER_CONTROL))
	{//11/7
		DestroyWindow();
		return FALSE;
	}

	// create the control window
	// AFX_IDW_PANE_FIRST is a safe but arbitrary ID
/*	if (!m_wndBrowser.CreateControl(CLSID_WebBrowser, lpszWindowName,
				WS_VISIBLE | WS_CHILD, rectClient, this, AFX_IDW_PANE_FIRST))
	{
		DestroyWindow();
		return FALSE;
	}
*/
	//11/7
/*	try{
	LPUNKNOWN lpUnk = m_wndBrowser.GetControlUnknown();
	HRESULT hr;
	if(lpUnk!=NULL)
		hr = lpUnk->QueryInterface(IID_IWebBrowser2, (void**) &m_pBrowserApp);
	if (!SUCCEEDED(hr))
	{
		m_pBrowserApp = NULL;
		m_wndBrowser.DestroyWindow();
		DestroyWindow();
		return FALSE;
	}
	}catch(...)
	{
	}
*/
	//12/27
	//m_pBrowserApp = (IWebBrowser2*)m_wndBrowser.GetApplication();

/*2.2
 create the BHO when initialize a web browser
	The BHO has two main functions:
		IObjectWithSiteImpl::SetSite(IUnknown*); pass the IWebBrowser2 to this function.
		IDispatchImpl::Invoke(...); pass the Events to the BHO through this function.

CLSID clsID;
HRESULT hr;
IDispatch * pUnknown;


hr= CLSIDFromProgID(OLESTR("Jccatch.IeCatch2.1"), &clsID);
if(FAILED(hr))
{
   AfxMessageBox("Retrieval of ProgID failed");
   return FALSE;
}
	hr = CoCreateInstance(clsID, NULL,
					CLSCTX_INPROC_SERVER,
					IID_IDispatch,
					(void**)&pUnknown);
if(SUCCEEDED(hr))
AfxMessageBox("BHO created");*/

	}
/*	catch(CMemoryException* e)
	{
		if(e!=NULL)e->Delete();
	}*/
	catch(...)
	{
	}

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

BOOL CFixedHtmlView::PreTranslateMessage(MSG* pMsg)
{
	ASSERT(pMsg != NULL);
	ASSERT_VALID(this);
	ASSERT(m_hWnd != NULL);


	try
	{
	if(pMsg == NULL || m_hWnd == NULL)
		return TRUE;

	// allow tooltip messages to be filtered
	if (CView::PreTranslateMessage(pMsg))
		return TRUE;
	// filter both messages to dialog and from children

 	if(pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_RETURN)
	{
		QueryPerformanceCounter(&m_tLastClick);
		m_bRClick = FALSE;
		m_bLClick = TRUE;
	}

	//2.4
	short ks;
    ks =GetKeyState(VK_CONTROL);
	if(pMsg->message == WM_KEYDOWN && pMsg->wParam != VK_ESCAPE && (pMsg->wParam<VK_F1 || pMsg->wParam>VK_F12) && (ks>=0 || pMsg->wParam==VK_CONTROL || pMsg->wParam=='C' || pMsg->wParam == 'X' || pMsg->wParam == 'V' || pMsg->wParam == 'Z' || pMsg->wParam == VK_INSERT)) // && ((pMsg->wParam == VK_TAB && ks>=0) || pMsg->wParam == VK_BACK || pMsg->wParam == VK_DELETE || pMsg->wParam == 'C' || pMsg->wParam == 'X' || pMsg->wParam == 'V' || pMsg->wParam == 'Z' || pMsg->wParam == VK_INSERT))
		if(pMsg->wParam == VK_RETURN)
		{
//			PreTranslateInput(pMsg);
			return FALSE;
		}
		else
			return PreTranslateInput(pMsg);

	// don't translate dialog messages when in Shift+F1 help mode
//	CFrameWnd* pFrameWnd = GetTopLevelFrame();
//	if (pFrameWnd != NULL && pFrameWnd->m_bHelpMode)
//		return FALSE;

	// since 'IsDialogMessage' will eat frame window accelerators,
	//   we call all frame windows' PreTranslateMessage first
/*	pFrameWnd = GetParentFrame();   // start with first parent frame
	while (pFrameWnd != NULL)
	{
		// allow owner & frames to translate before IsDialogMessage does
		if (pFrameWnd->PreTranslateMessage(pMsg))
			return TRUE;

		// try parent frames until there are no parent frames
		pFrameWnd = pFrameWnd->GetParentFrame();
	}*/

/*	if (pMainFrame != NULL && pMsg->message == WM_KEYDOWN && (pMsg->wParam == VK_BACK ))
	{
		// allow owner & frames to translate before IsDialogMessage does
		if (pMainFrame->PreTranslateMessage(pMsg) )
			return TRUE;
	}*/

/*	// don't call IsDialogMessage if form is empty
	if (::GetWindow(m_hWnd, GW_CHILD) == NULL)
		return FALSE;
*/



	}
/*	catch(CMemoryException* e)
	{
		if(e!=NULL)e->Delete();
	}*/
	catch(...)
	{
	}

	return FALSE;
}


BOOL CFixedHtmlView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

    cs.lpszClass = AfxRegisterWndClass(
       CS_DBLCLKS,                       // if you need double-clicks
       NULL,                             // no cursor (use default)
       NULL,                             // no background brush
       NULL); // app icon
    ASSERT(cs.lpszClass);
 

//	cs.style |= WS_CLIPCHILDREN;

	if( !CView::PreCreateWindow(cs) )
		return FALSE;

	return TRUE;
}



void CFixedHtmlView::OnParentNotify(UINT message, LPARAM lParam) 
{
	CView::OnParentNotify(message, lParam);
	
	// TODO: Add your message handler code here
	try{
	if(message == WM_DESTROY)
	{
		m_bToClose = TRUE;
		GetParentFrame()->PostMessage(WM_CLOSE);
	}
	}catch(...)
	{
	}
}


int CFixedHtmlView::SetHistory(LPCSTR strCurUrl)
{
	short p = m_nHistoryLength;
	int seth = 0;
	LPDISPATCH pDisp = NULL;
	IHTMLDocument2 *pHTMLDoc = NULL;
	IHTMLWindow2 *pHTMLWnd = NULL;
	IOmHistory  *pHistory = NULL;
//	IPersistMoniker *pPM = NULL;
//	IMoniker * pMok = NULL;


	try{
		//get history length
		pDisp = GetHtmlDocument();
		if( pDisp )
		{
			if(SUCCEEDED(pDisp->QueryInterface(IID_IHTMLDocument2, (void**)&pHTMLDoc)))
			{
				if(SUCCEEDED(pHTMLDoc->get_parentWindow( &pHTMLWnd )))
				{
					if(SUCCEEDED(pHTMLWnd->get_history( &pHistory )))
					{
						if(pHistory->get_length(&p)==S_OK)
						{
						//
	//					DWORD d;
	//					pHTMLDoc->QueryInterface(IID_IPersistMoniker, (void**)&pPM);
	//					pPM->GetCurMoniker(&pMok);
	//					pMok->Hash(&d);
	/*					FILE * file;
						file = fopen("c:\\moniker.txt", "a");
						fprintf(file, "%d\r\n", p);
						fclose(file);*/
						//
							if(p>0 && p!=m_nHistoryLength)
							{
							/*	CString m_strLastURL;
								//get last url from url list
								int ul = m_astrLastURLs.GetSize();
								if(ul==1)
									m_strLastURL = m_astrLastURLs.GetAt(0);
								else
								{
									CString pre1, pre2, tmp; 
									if(p-1-1>=0)
										pre1 = m_astrHistoryURL.GetAt(p-2);
									if(p-1-2>=0)
										pre2 = m_astrHistoryURL.GetAt(p-3);
										
									int i;
									for(i=ul-1; i>0; i--)
									{
										tmp = m_astrLastURLs.GetAt(i);
										if(tmp != pre1 && tmp != pre2)
											break;
									}
									m_strLastURL = m_astrLastURLs.GetAt(i);
								}
								m_astrLastURLs.RemoveAll();*/

								if(m_strLastTitle.IsEmpty())
									m_strLastTitle = m_strLastURL;
								if(p>m_nHistoryLength)
								{
									m_astrHistory.SetAtGrow(p-1, m_strLastTitle);
									m_astrHistoryURL.SetAtGrow(p-1, m_strLastURL);
								}
								else
								{
									m_astrHistory.SetAt(p-1, m_strLastTitle);
									m_astrHistory.SetSize(p);
									if(m_nHistoryLength - p >10)
										m_astrHistory.FreeExtra();

									m_astrHistoryURL.SetAt(p-1, m_strLastURL);
									m_astrHistoryURL.SetSize(p);
									if(m_nHistoryLength - p >10)
										m_astrHistoryURL.FreeExtra();
								}

								m_nCurHistory = p;
								seth = 1;
							//	m_strLastURL = strCurUrl;

							}
							else if(p==0)
								m_nCurHistory = 0;


							//adjust cur history
							m_nCurHistory -= m_nBackSteps;
							if(!m_back)
								m_nCurHistory = 0;
							else if(!m_forward && seth && m_nBackSteps>=0)
								m_nCurHistory = p;
							else if(m_nCurHistory>=0 && m_nCurHistory<p && strCurUrl == m_astrHistoryURL.GetAt(m_nCurHistory))
								m_nCurHistory = m_nCurHistory;
							else if(m_nCurHistory-1>=0 && strCurUrl == m_astrHistoryURL.GetAt(m_nCurHistory-1))
								m_nCurHistory --;
							else if(m_nCurHistory-2>=0 && strCurUrl  == m_astrHistoryURL.GetAt(m_nCurHistory-2))
								m_nCurHistory -=2;
							else if(m_nCurHistory+1<p && strCurUrl == m_astrHistoryURL.GetAt(m_nCurHistory+1))
								m_nCurHistory ++;
							else if(m_nCurHistory+2<p && strCurUrl  == m_astrHistoryURL.GetAt(m_nCurHistory+2))
								m_nCurHistory +=2;

							if(m_forward && m_nCurHistory>=p-1)
								m_nCurHistory = p-2;
							if(m_back && m_nCurHistory==0)
								m_nCurHistory =1;
								
							m_nHistoryLength = p;
						}
					}
				}
			}
		}
	}
	catch(...)
	{
	}



	try{
		if(pHistory != NULL)
			pHistory->Release();
		if(pHTMLWnd != NULL)
			pHTMLWnd->Release();
		if(pHTMLDoc != NULL)
			pHTMLDoc->Release();
		if(pDisp != NULL)
			pDisp->Release();
	}
	catch(...)
	{
	}
	
	m_nBackSteps = 0;

	return seth;
}

/*BOOL CFixedHtmlView::IsIFrame(LPDISPATCH  pDisp , LPCSTR url)
{
	//find url in last iframe list
	POSITION pos = m_lstrIFrames.Find(url);
	if(pos != NULL)
		return TRUE;

	//get the new iframe list
	m_lstrIFrames.RemoveAll();

	IWebBrowser2 * pApp = NULL;
	IHTMLDocument2 * pDoc = NULL;
	IHTMLElementCollection  * pAllElem = NULL;
	LPDISPATCH pDp = NULL;
	IHTMLElementCollection *pFrames = NULL;
	VARIANT tag, index;
	long p;

	tag.vt = VT_BSTR;
	CString tagname("Frame");
	tag.bstrVal = tagname.AllocSysString();

	pDisp->QueryInterface(IID_IWebBrowser2, (void**)&pApp);
	if(pApp!=NULL)
	{
		pApp->get_Document((LPDISPATCH*)&pDoc);
		if(pDoc!=NULL)
		{
			pDoc->get_all(&pAllElem);
			if(pAllElem!=NULL)
			{
				pAllElem->tags(tag, &pDp);
				if(pDp!=NULL)
				{
					pDp->QueryInterface(IID_IHTMLElementCollection, (void**)&pFrames);
					pFrames->get_length(&p);
					if(p>0)
					{
					}
				}
			}
		}
	}

	SysFreeString(tag.bstrVal);

	return FALSE;
}*/

BOOL CFixedHtmlView::IsDownloadable(CString &URL)
{
	int i = URL.ReverseFind('.');
	if(i>0)
	{
		ext = URL.Mid(i);
		ext.MakeUpper();
		if(ext.Find('/')>=0 || ext==".HTM" || ext==".HTML" || ext==".ASP")
			return FALSE;
		int j=0, l=ext.GetLength();
		char ch;
		i=0;
		while(i<((CMainFrame*)pMainFrame)->m_strDownloadFileExt.GetLength())
		{
			ch = ((CMainFrame*)pMainFrame)->m_strDownloadFileExt.GetAt(i);
			if(ext.GetAt(j)!=ch && ch!='?')
			{
				i+=j+1;
				j=0;
			}
			else
			{
				j++;
				i++;
			}
			if(j>=l)
				return TRUE;
		}
		return FALSE;
	}else
		return FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// Pre-startup code

/*
#ifdef AFX_INIT_SEG
#pragma code_seg(AFX_INIT_SEG)
#endif
*/