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| // class name: CWebUIController WebUIController.h 源代码: // author: Dandy Cheung // email: [email protected] // date: 2005-3-18
#ifndef __WEBUICONTROLLER_H__ #define __WEBUICONTROLLER_H__ # #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 #include <MSHTMHST.H> #include <EXDISP.H> #include <EXDISPID.H>
inline HRESULT _CoAdvise(IUnknown* pUnkCP, IUnknown* pUnk, const IID& iid, LPDWORD pdw) { IConnectionPointContainer* pCPC = NULL; IConnectionPoint* pCP = NULL; HRESULT hRes = pUnkCP->QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC); if(SUCCEEDED(hRes) && pCPC != NULL) { hRes = pCPC->FindConnectionPoint(iid, &pCP); if(SUCCEEDED(hRes) && pCP != NULL) { hRes = pCP->Advise(pUnk, pdw); pCP->Release(); }
pCPC->Release(); }
return hRes; }
inline HRESULT _CoUnadvise(IUnknown* pUnkCP, const IID& iid, DWORD dw) { IConnectionPointContainer* pCPC = NULL; IConnectionPoint* pCP = NULL; HRESULT hRes = pUnkCP->QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC); if(SUCCEEDED(hRes) && pCPC != NULL) { hRes = pCPC->FindConnectionPoint(iid, &pCP); if(SUCCEEDED(hRes) && pCP != NULL) { hRes = pCP->Unadvise(dw); pCP->Release(); }
pCPC->Release(); }
return hRes; }
class CWebUIController : public DWebBrowserEvents2, public IDocHostUIHandler { ULONG m_uRefCount; IWebBrowser2* m_pWebBrowser2; DWORD m_dwCookie;
BOOL m_bEnable3DBorder; BOOL m_bEnableScrollBar;
public: CWebUIController() : m_uRefCount(0), m_pWebBrowser2(NULL), m_dwCookie(0) { m_bEnable3DBorder = TRUE; m_bEnableScrollBar = TRUE; }
virtual ~CWebUIController() { } public: // IUnknown Methods STDMETHOD(QueryInterface)(REFIID riid, void** ppvObject) { *ppvObject = NULL;
if(IsEqualGUID(riid, DIID_DWebBrowserEvents2) || IsEqualGUID(riid, IID_IDispatch)) { *ppvObject = (DWebBrowserEvents2*)this; AddRef(); return S_OK; } else if(IsEqualGUID(riid, IID_IDocHostUIHandler) || IsEqualGUID(riid, IID_IUnknown)) { *ppvObject = (IDocHostUIHandler*)this; AddRef(); return S_OK; }
return E_NOINTERFACE; }
STDMETHOD_(ULONG, AddRef)(void) { m_uRefCount++; return m_uRefCount; }
STDMETHOD_(ULONG, Release)(void) { m_uRefCount--; ULONG uRefCount = m_uRefCount; if(uRefCount == 0) delete this;
return uRefCount; }
// IDispatch Methods STDMETHOD(GetTypeInfoCount)(unsigned int FAR* pctinfo) { return E_NOTIMPL; }
STDMETHOD(GetTypeInfo)(UINT itinfo, LCID lcid, ITypeInfo** pptinfo) { return E_NOTIMPL; }
STDMETHOD(GetIDsOfNames)(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgDispId) { return E_NOTIMPL; }
STDMETHOD(Invoke)(DISPID dispidMember,REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pvarResult, EXCEPINFO* pexcepinfo, UINT* puArgErr) { if(!pDispParams) return E_INVALIDARG;
switch(dispidMember) { // // The parameters for this DISPID are as follows: // [0]: URL to navigate to - VT_BYREF|VT_VARIANT // [1]: An object that evaluates to the top-level or frame // WebBrowser object corresponding to the event. case DISPID_NAVIGATECOMPLETE2:
// // The IDocHostUIHandler association must be set // up every time we navigate to a new page. // if(pDispParams->cArgs >= 2 && pDispParams->rgvarg[1].vt == VT_DISPATCH) SetCustomDoc(pDispParams->rgvarg[1].pdispVal); else return E_INVALIDARG;
break;
default: break; }
return S_OK; }
// IDocHostUIHandler Methods protected: STDMETHOD(ShowContextMenu)(DWORD dwID, POINT FAR* ppt, IUnknown FAR* pcmdtReserved, IDispatch FAR* pdispReserved) { return E_NOTIMPL; }
STDMETHOD(GetHostInfo)(DOCHOSTUIINFO FAR* pInfo) { if(pInfo != NULL) { pInfo->dwFlags |= (m_bEnable3DBorder ? 0 : DOCHOSTUIFLAG_NO3DBORDER); pInfo->dwFlags |= (m_bEnableScrollBar ? 0 : DOCHOSTUIFLAG_SCROLL_NO); pInfo->dwFlags |=DOCHOSTUIFLAG_THEME; //这里是我自己添加的 让其使用IE的按钮风格 }
return S_OK; }
STDMETHOD(ShowUI)(DWORD dwID, IOleInPlaceActiveObject FAR* pActiveObject, IOleCommandTarget FAR* pCommandTarget, IOleInPlaceFrame FAR* pFrame, IOleInPlaceUIWindow FAR* pDoc) { return E_NOTIMPL; }
STDMETHOD(HideUI)(void) { return E_NOTIMPL; }
STDMETHOD(UpdateUI)(void) { return E_NOTIMPL; }
STDMETHOD(EnableModeless)(BOOL fEnable) { return E_NOTIMPL; }
STDMETHOD(OnDocWindowActivate)(BOOL fActivate) { return E_NOTIMPL; }
STDMETHOD(OnFrameWindowActivate)(BOOL fActivate) { return E_NOTIMPL; }
STDMETHOD(ResizeBorder)(LPCRECT prcBorder, IOleInPlaceUIWindow FAR* pUIWindow, BOOL fRameWindow) { return E_NOTIMPL; }
STDMETHOD(TranslateAccelerator)(LPMSG lpMsg, const GUID FAR* pguidCmdGroup, DWORD nCmdID) { return E_NOTIMPL; }
STDMETHOD(GetOptionKeyPath)(LPOLESTR FAR* pchKey, DWORD dw) { return E_NOTIMPL; }
STDMETHOD(GetDropTarget)(IDropTarget* pDropTarget, IDropTarget** ppDropTarget) { return E_NOTIMPL; }
STDMETHOD(GetExternal)(IDispatch** ppDispatch) { return E_NOTIMPL; }
STDMETHOD(TranslateUrl)(DWORD dwTranslate, OLECHAR* pchURLIn, OLECHAR** ppchURLOut) { return E_NOTIMPL; }
STDMETHOD(FilterDataObject)(IDataObject* pDO, IDataObject** ppDORet) { return E_NOTIMPL; }
public: HRESULT SetWebBrowser(IWebBrowser2* pWebBrowser2) { // Unadvise the event sink, if there was a // previous reference to the WebBrowser control. if(m_pWebBrowser2) { _CoUnadvise(m_pWebBrowser2, DIID_DWebBrowserEvents2, m_dwCookie); m_dwCookie = 0; // _CoUnadvise中就已经被Release // m_pWebBrowser2->Release(); }
m_pWebBrowser2 = pWebBrowser2; if(pWebBrowser2 == NULL) return S_OK;
m_pWebBrowser2->AddRef();
return _CoAdvise(m_pWebBrowser2, (IDispatch*)this, DIID_DWebBrowserEvents2, &m_dwCookie); }
void Enable3DBorder(BOOL bEnable = TRUE) { m_bEnable3DBorder = bEnable; }
void EnableScrollBar(BOOL bEnable = TRUE) { m_bEnableScrollBar = bEnable; }
private: void SetCustomDoc(LPDISPATCH lpDisp) { if(lpDisp == NULL) return;
IWebBrowser2* pWebBrowser2 = NULL; HRESULT hr = lpDisp->QueryInterface(IID_IWebBrowser2, (void**)&pWebBrowser2);
if(SUCCEEDED(hr) && pWebBrowser2) { IDispatch* pDoc = NULL; hr = pWebBrowser2->get_Document(&pDoc);
if(SUCCEEDED(hr) && pDoc) { ICustomDoc* pCustDoc = NULL; hr = pDoc->QueryInterface(IID_ICustomDoc, (void**)&pCustDoc); if(SUCCEEDED(hr) && pCustDoc != NULL) { pCustDoc->SetUIHandler(this); pCustDoc->Release(); }
pDoc->Release(); }
pWebBrowser2->Release(); } } };
#endif // __WEBUICONTROLLER_H__
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