使用IWebBrowser2建立簡單瀏覽器
阿新 • • 發佈：2019-01-29
使用ie核心的瀏覽器怎麼搞
IWebBrowser2 ie核心的瀏覽器控制元件
CAxWindow 容器
CreateWindow 建立windows視窗
直接上程式碼
// ncPatternFlyweight.h
#ifndef __NC_PATTERN_FLYWEIGHT_H__ #define __NC_PATTERN_FLYWEIGHT_H__ #pragma once #include "ncAutoLock.h" #include "ncMutex.h" #include using namespace std; template class ncPatternFlyweight { public: static U* getMapFlyweightInstance (T t) { ncAutoLock autolock (&_lock); std::map::iterator it = _mapFlyweightInstance.find (t); if (it != _mapFlyweightInstance.end ()) { return it->second; } else { return NULL; } } static void addMapFlyweightInstance (T t, U* u) { ncAutoLock autolock (&_lock); _mapFlyweightInstance[t] = u; } static void removeMapFlyweightInstance (T t) { ncAutoLock autolock (&_lock); std::map::iterator it = _mapFlyweightInstance.find (t); if (it != _mapFlyweightInstance.end ()) { _mapFlyweightInstance.erase (it); } } static bool existenceMapFlyweightInstance (T t) { ncAutoLock autolock (&_lock); return _mapFlyweightInstance.find (t) != _mapFlyweightInstance.end (); } protected: static std::map _mapFlyweightInstance; static ncMutex _lock; }; template ncMutex ncPatternFlyweight::_lock; template std::map ncPatternFlyweight::_mapFlyweightInstance; #endif
// ncAutoLock.h
#ifndef __NC_AUTO_LOCK_H__
#define __NC_AUTO_LOCK_H__
#pragma once
template
class ncAutoLock
{
public:
ncAutoLock(T* lock)
: _lock(lock)
{
_lock->lock();
}
~ncAutoLock()
{
_lock->unlock();
}
protected:
T* _lock;
};
#endif
// ncMutex.h
#ifndef __NC_MUTEX_H__ #define __NC_MUTEX_H__ #pragma once #include class ncMutex { public: ncMutex(); ~ncMutex(); public: bool lock(); bool unlock(); private: CRITICAL_SECTION _cs; }; #endif
// ncMutex.cpp
#include "ncMutex.h" ncMutex::ncMutex() { InitializeCriticalSection(&_cs); } ncMutex::~ncMutex() { DeleteCriticalSection (&_cs); } bool ncMutex::lock() { EnterCriticalSection(&_cs); return true; } bool ncMutex::unlock() { LeaveCriticalSection(&_cs); return true; }
// ncSimpleBrowser.h
#ifndef __NC_SIMPLE_BROWSER_H__
#define __NC_SIMPLE_BROWSER_H__
#pragma once
#include
#include
#include
#include
#include
using namespace std;
#include "Wininet.h"
#pragma comment (lib, "Wininet.lib")
class ncSimpleBrowser
: public IDispatch
{
public:
ncSimpleBrowser(const string& addr, const string& redirectServer);
~ncSimpleBrowser();
void init (CAxWindow& cAxWindow);
void connectEvent();
void exit();
public:
STDMETHODIMP Invoke(DISPID dispIdMember,REFIID riid,LCID lcid,WORD wFlags,DISPPARAMS FAR* pDispParams,VARIANT FAR* pVarResult,EXCEPINFO FAR* pExcepInfo,unsigned int FAR* puArgErr);
STDMETHOD(QueryInterface)(REFIID riid, void** ppvObject)
{
HRESULT hr = E_NOINTERFACE;
if (riid == __uuidof(IDispatch)) {
*ppvObject = (IDispatch*)this;
AddRef();
hr = S_OK;
}
else if (riid == __uuidof(DWebBrowserEvents2)) {
*ppvObject = (DWebBrowserEvents2*)this;
AddRef();
hr = S_OK;
}
return hr;
}
STDMETHOD_(ULONG, AddRef)()
{
return 1;
}
STDMETHOD_(ULONG, Release)()
{
return 1;
}
STDMETHOD(GetTypeInfoCount)(UINT*)
{
return E_NOTIMPL;
}
STDMETHOD(GetTypeInfo)(UINT, LCID, ITypeInfo**)
{
return E_NOTIMPL;
}
STDMETHOD(GetIDsOfNames)(REFIID, LPOLESTR *rgszNames, UINT, LCID, DISPID *rgDispId)
{
return E_NOTIMPL;
}
protected:
CComPtr _iWebBrowser;
CComQIPtr _iConnectionPoint;
DWORD _dwCookie;
string _addr;
string _redirectServer;
string _url;
};
#endif
// ncSimpleBrowser.cpp
#include "ncSimpleBrowser.h"
ncSimpleBrowser::ncSimpleBrowser(const string& addr, const string& redirectServer)
: _dwCookie (0)
, _addr(addr)
, _redirectServer(redirectServer)
, _url("")
{
}
ncSimpleBrowser::~ncSimpleBrowser()
{
exit();
}
void
ncSimpleBrowser::init(CAxWindow& cAxWindow)
{
LPOLESTR pszName = OLESTR ("shell.Explorer.2"); // 通過那個字串獲取了IE的字元
VARIANT varMyURL;
cAxWindow.CreateControl (pszName); // 建立該類名對應的Actvie控制元件
cAxWindow.QueryControl (__uuidof(IWebBrowser2), (void**)&_iWebBrowser);
VariantInit (&varMyURL);
varMyURL.vt = VT_BSTR;
wstring addr(_addr.begin(), _addr.end());
varMyURL.bstrVal = SysAllocString (CT2COLE(addr.c_str()));
_iWebBrowser->Navigate2 (&varMyURL, 0, 0, 0, 0);
VariantClear (&varMyURL);
connectEvent();
}
void
ncSimpleBrowser::connectEvent()
{
CComQIPtr pCPC;
if (SUCCEEDED(_iWebBrowser->QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC))) {
if (SUCCEEDED(pCPC->FindConnectionPoint(DIID_DWebBrowserEvents2, &_iConnectionPoint))) {
if(SUCCEEDED(_iConnectionPoint->Advise((IUnknown*)(void*)this, &_dwCookie))) {
}
}
}
}
void
ncSimpleBrowser::exit()
{
if (_iConnectionPoint && SUCCEEDED(_iConnectionPoint->Unadvise(_dwCookie))) {
}
InternetSetOption(NULL, INTERNET_OPTION_END_BROWSER_SESSION, NULL, NULL);
}
STDMETHODIMP
ncSimpleBrowser::Invoke(DISPID dispIdMember, REFIID riid,LCID lcid, WORD wFlags, DISPPARAMS FAR* pDispParams, VARIANT FAR* pVarResult, EXCEPINFO FAR* pExcepInfo, unsigned int FAR* puArgErr)
{
USES_CONVERSION;
if (!pDispParams) {
return E_INVALIDARG;
}
switch (dispIdMember)
{
case DISPID_NAVIGATECOMPLETE2:
if (pDispParams->rgvarg[0].vt == (VT_BYREF | VT_VARIANT)) {
CComVariant varUrl (*pDispParams->rgvarg[0].pvarVal);
varUrl.ChangeType(VT_BSTR);
wstring url = OLE2T(varUrl.bstrVal);
}
break;
default:
break;
}
return S_OK;
}
// ncCreateWebBrowserWnd.h
#ifndef __NC_CREATE_WEB_BROWSER_WND_H__
#define __NC_CREATE_WEB_BROWSER_WND_H__
#pragma once
#include "ncPatternFlyweight.h"
#include "ncSimpleBrowser.h"
#include
using namespace std;
class ncCreateWebBrowserWnd
: public ncPatternFlyweight
{
public:
static void creatNewWindow (const string& id, const string& url, const string& appName, UINT style, int nWidth, int nHeight, HINSTANCE hInstance);
void destory (void);
void move (void);
public:
void popToFront ();
protected:
ncCreateWebBrowserWnd (const string& id, const string& url, const string& appName, UINT style, int nWidth, int nHeight, HINSTANCE hInstance);
~ncCreateWebBrowserWnd ();
protected:
HWND _hWnd;
CAxWindow _cAxWindow;
ncSimpleBrowser _browser;
string _id;
string _url;
};
#endif
// ncCreateWebBrowserWnd.cpp
#include "ncCreateWebBrowserWnd.h"
LRESULT CALLBACK
WndProc (HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam)
{
ncCreateWebBrowserWnd* wnd = reinterpret_cast(::GetWindowLongPtr(hWnd, GWLP_USERDATA));
switch (message)
{
case WM_DESTROY:
wnd->destory ();
PostQuitMessage (0); // 使整個程式退出
break;
case WM_SIZE:
wnd->move ();
break;
case WM_PAINT:
BeginPaint(hWnd, NULL);
EndPaint(hWnd, NULL);
break;
default:
return (int)DefWindowProc (hWnd, message, wParam, lParam);
}
return 0;
}
ncCreateWebBrowserWnd::ncCreateWebBrowserWnd (const string& id, const string& url, const string& appName, UINT style, int nWidth, int nHeight, HINSTANCE hInstance)
: _browser (url, url)
, _id (id)
, _url (url)
{
addMapFlyweightInstance(_url, this);
HWND hWndParent = NULL;
wstring appClass = _T("ncCreateWebBrowserWnd");
WNDCLASS wndclass;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (hInstance, NULL);
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = appClass.c_str();
RegisterClass (&wndclass);
wstring wappName(appName.begin(), appName.end());
_hWnd = CreateWindow (appClass.c_str()
, wappName.c_str()
, style
, CW_USEDEFAULT
, 0
, nWidth
, nHeight
, hWndParent
, NULL
, hInstance
, this);
::SetWindowLongPtr(_hWnd, GWLP_USERDATA, reinterpret_cast(this));
RECT rc;
GetClientRect (_hWnd, &rc);
_cAxWindow.Create (_hWnd, rc, 0, WS_CHILD | WS_VISIBLE);
_browser.init(_cAxWindow);
// 居中
int scrWidth,scrHeight;
scrWidth = GetSystemMetrics(SM_CXSCREEN);
scrHeight = GetSystemMetrics(SM_CYSCREEN);
rc.left = (scrWidth - rc.right) / 2;
rc.top = (scrHeight - rc.bottom) / 2;
SetWindowPos(_hWnd, HWND_TOP, rc.left, rc.top, rc.right, rc.bottom, SWP_SHOWWINDOW);
}
ncCreateWebBrowserWnd::~ncCreateWebBrowserWnd()
{
removeMapFlyweightInstance(_url);
}
void
ncCreateWebBrowserWnd::creatNewWindow (const string& id, const string& url, const string& appName, UINT style, int nWidth, int nHeight, HINSTANCE hInstance)
{
ncCreateWebBrowserWnd* wnd = new ncCreateWebBrowserWnd (id, url, appName, style, nWidth, nHeight, hInstance);
ShowWindow (wnd->_hWnd, SW_SHOW);
UpdateWindow (wnd->_hWnd);
}
void
ncCreateWebBrowserWnd::destory (void)
{
delete this;
}
void
ncCreateWebBrowserWnd::move (void)
{
RECT rc;
GetClientRect(_hWnd, &rc);
_cAxWindow.MoveWindow (0, 0, rc.right - rc.left, rc.bottom - rc.top);
}
void
ncCreateWebBrowserWnd::popToFront ()
{
SwitchToThisWindow (_hWnd, true);
}
// main.cpp
#include
#include "ncCreateWebBrowserWnd.h"
int WINAPI WinMain( __in HINSTANCE hInstance, __in_opt HINSTANCE hPrevInstance, __in_opt LPSTR lpCmdLine, __in int nShowCmd )
{
CComModule _Module;
string webSite = ("www.baidu.com");
string appName = ("www.google.com");
ncCreateWebBrowserWnd* pWnd = ncCreateWebBrowserWnd::getMapFlyweightInstance (webSite);
if (pWnd != NULL) {
pWnd->popToFront ();
}
else {
ncCreateWebBrowserWnd::creatNewWindow (webSite, webSite, appName, WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS, 1000, 600, hInstance);
}
MSG msg = { 0 };
GetMessage(&msg, NULL, NULL, NULL);
while (msg.message != WM_QUIT) {
if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}