mfcievw.cpp

用MFC制作的一款IE风格的浏览器

// This is part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
//
// mfcieVw.cpp : implementation of the CMfcieView class
//

#include "stdafx.h"
#include "mfcie.h"
#include "MainFrm.h"

#include "mfcieDoc.h"
#include "mfcieVw.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMfcieView

IMPLEMENT_DYNCREATE(CMfcieView, CHtmlView)

BEGIN_MESSAGE_MAP(CMfcieView, CHtmlView)
	//{{AFX_MSG_MAP(CMfcieView)
	ON_COMMAND(ID_GO_BACK, OnGoBack)
	ON_COMMAND(ID_GO_FORWARD, OnGoForward)
	ON_COMMAND(ID_GO_SEARCH_THE_WEB, OnGoSearchTheWeb)
	ON_COMMAND(ID_GO_START_PAGE, OnGoStartPage)
	ON_COMMAND(ID_VIEW_STOP, OnViewStop)
	ON_COMMAND(ID_VIEW_REFRESH, OnViewRefresh)
	ON_COMMAND(ID_HELP_WEB_TUTORIAL, OnHelpWebTutorial)
	ON_COMMAND(ID_HELP_ONLINE_SUPPORT, OnHelpOnlineSupport)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_FREE_STUFF, OnHelpMicrosoftOnTheWebFreeStuff)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_FREQUENTLY_ASKED_QUESTIONS, OnHelpMicrosoftOnTheWebFrequentlyAskedQuestions)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_GET_FASTER_INTERNET_ACCESS, OnHelpMicrosoftOnTheWebGetFasterInternetAccess)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_MICROSOFT_HOME_PAGE, OnHelpMicrosoftOnTheWebMicrosoftHomePage)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_SEARCH_THE_WEB, OnHelpMicrosoftOnTheWebSearchTheWeb)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_SEND_FEEDBACK, OnHelpMicrosoftOnTheWebSendFeedback)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_INTERNET_START_PAGE, OnHelpMicrosoftOnTheWebInternetStartPage)
	ON_COMMAND(ID_HELP_MICROSOFT_ON_THE_WEB_BEST_OF_THE_WEB, OnHelpMicrosoftOnTheWebBestOfTheWeb)
	ON_COMMAND(ID_VIEW_FONTS_LARGEST, OnViewFontsLargest)
	ON_COMMAND(ID_VIEW_FONTS_LARGE, OnViewFontsLarge)
	ON_COMMAND(ID_VIEW_FONTS_MEDIUM, OnViewFontsMedium)
	ON_COMMAND(ID_VIEW_FONTS_SMALL, OnViewFontsSmall)
	ON_COMMAND(ID_VIEW_FONTS_SMALLEST, OnViewFontsSmallest)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMfcieView construction/destruction

CMfcieView::CMfcieView()
{
}

CMfcieView::~CMfcieView()
{
}

BOOL CMfcieView::PreCreateWindow(CREATESTRUCT& cs)
{
	cs.lpszClass = AfxRegisterWndClass(0);
	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMfcieView drawing

void CMfcieView::OnDraw(CDC* pDC)
{
	CMfcieDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
}

/////////////////////////////////////////////////////////////////////////////
// CMfcieView diagnostics

#ifdef _DEBUG
void CMfcieView::AssertValid() const
{
	CView::AssertValid();
}

void CMfcieView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMfcieDoc* CMfcieView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMfcieDoc)));
	return (CMfcieDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMfcieView message handlers

void CMfcieView::OnTitleChange(LPCTSTR lpszText)
{
	// this will change the main frame's title bar
	if (m_pDocument != NULL)
		m_pDocument->SetTitle(lpszText);
}

void CMfcieView::OnDocumentComplete(LPCTSTR lpszUrl)
{
	// make sure the main frame has the new URL.  This call also stops the animation
	((CMainFrame*)GetParentFrame())->SetAddress(lpszUrl);
}

void CMfcieView::OnInitialUpdate()
{
	// Go to the home page initially
	CHtmlView::OnInitialUpdate();
	GoHome();
}

void CMfcieView::OnBeforeNavigate2(LPCTSTR /*lpszURL*/, DWORD /*nFlags*/,
	LPCTSTR /*lpszTargetFrameName*/, CByteArray& /*baPostedData*/,
	LPCTSTR /*lpszHeaders*/, BOOL* /*pbCancel*/)
{
	// start the animation so that is plays while the new page is being loaded
	((CMainFrame*)GetParentFrame())->StartAnimation();
}

// these are all simple one-liners to do simple controlling of the browser
void CMfcieView::OnGoBack()
{
	GoBack();
}

void CMfcieView::OnGoForward()
{
	GoForward();
}

void CMfcieView::OnGoSearchTheWeb()
{
	GoSearch();
}

void CMfcieView::OnGoStartPage()
{
	GoHome();
}

void CMfcieView::OnViewStop()
{
	Stop();
}

void CMfcieView::OnViewRefresh()
{
	Refresh();
}

// these all go to specific web pages, just like Internet Explorer's help menu
void CMfcieView::OnHelpWebTutorial()
{
	CString str;

	str.LoadString(IDS_WEB_TUTORIAL);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpOnlineSupport()
{
	CString str;

	str.LoadString(IDS_ONLINE_SUPPORT);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebBestOfTheWeb()
{
	CString str;

	str.LoadString(IDS_BEST_OF_THE_WEB);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebFreeStuff()
{
	CString str;

	str.LoadString(IDS_FREE_STUFF);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebFrequentlyAskedQuestions()
{
	CString str;

	str.LoadString(IDS_FREQUENTLY_ASKED_QUESTIONS);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebGetFasterInternetAccess()
{
	CString str;

	str.LoadString(IDS_GET_FASTER_INTERNET_ACCESS);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebMicrosoftHomePage()
{
	CString str;

	str.LoadString(IDS_MICROSOFT_HOME_PAGE);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebSearchTheWeb()
{
	CString str;

	str.LoadString(IDS_SEARCH_THE_WEB);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebSendFeedback()
{
	CString str;

	str.LoadString(IDS_SEND_FEEDBACK);
	Navigate2(str, 0, NULL);
}

void CMfcieView::OnHelpMicrosoftOnTheWebInternetStartPage()
{
	CString str;

	str.LoadString(IDS_INTERNET_START_PAGE);
	Navigate2(str, 0, NULL);
}

// these functions control the font size.  There is no explicit command in the
// CHtmlView class to do this, but we can do it by using the ExecWB() function.
void CMfcieView::OnViewFontsLargest()
{
	COleVariant vaZoomFactor(4l);

	ExecWB(OLECMDID_ZOOM, OLECMDEXECOPT_DONTPROMPTUSER,
		   &vaZoomFactor, NULL);
}

void CMfcieView::OnViewFontsLarge()
{
	COleVariant vaZoomFactor(3l);

	ExecWB(OLECMDID_ZOOM, OLECMDEXECOPT_DONTPROMPTUSER,
		   &vaZoomFactor, NULL);
}

void CMfcieView::OnViewFontsMedium()
{
	COleVariant vaZoomFactor(2l);

	ExecWB(OLECMDID_ZOOM, OLECMDEXECOPT_DONTPROMPTUSER,
		   &vaZoomFactor, NULL);
}

void CMfcieView::OnViewFontsSmall()
{
	COleVariant vaZoomFactor(1l);

	ExecWB(OLECMDID_ZOOM, OLECMDEXECOPT_DONTPROMPTUSER,
		   &vaZoomFactor, NULL);
}

void CMfcieView::OnViewFontsSmallest()
{
	COleVariant vaZoomFactor(0l);

	ExecWB(OLECMDID_ZOOM, OLECMDEXECOPT_DONTPROMPTUSER,
		   &vaZoomFactor, NULL);
}

// This demonstrates how we can use the Navigate2() function to load local files
// including local HTML pages, GIFs, AIFF files, etc.
void CMfcieView::OnFileOpen()
{
	CString str;

	str.LoadString(IDS_FILETYPES);

	CFileDialog fileDlg(TRUE, NULL, NULL, OFN_HIDEREADONLY, str);

	if(fileDlg.DoModal() == IDOK)
		Navigate2(fileDlg.GetPathName(), 0, NULL);
}