This allows to use platform-specific methods in user code. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72210 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			523 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			523 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        include/wx/msw/webviewie.h
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// Purpose:     wxMSW IE wxWebView backend
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// Author:      Marianne Gagnon
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// Id:          $Id$
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// Copyright:   (c) 2010 Marianne Gagnon, 2011 Steven Lamerton
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef wxWebViewIE_H
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#define wxWebViewIE_H
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#include "wx/setup.h"
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#if wxUSE_WEBVIEW && wxUSE_WEBVIEW_IE && defined(__WXMSW__)
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#include "wx/control.h"
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#include "wx/webview.h"
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#include "wx/msw/ole/automtn.h"
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#include "wx/msw/ole/activex.h"
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#include "wx/msw/ole/oleutils.h"
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#include "wx/msw/private/comptr.h"
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#include "wx/msw/wrapwin.h"
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#include "wx/msw/missing.h"
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#include "wx/sharedptr.h"
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#include "wx/vector.h"
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/* Classes and definitions from urlmon.h vary in their
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 * completeness between compilers and versions of compilers.
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 * We implement our own versions here which should work
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 * for all compilers. The definitions are taken from the
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 * mingw-w64 headers which are public domain.
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 */
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#ifndef REFRESH_NORMAL
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#define REFRESH_NORMAL 0
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#endif
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#ifndef REFRESH_COMPLETELY
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#define REFRESH_COMPLETELY 3
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#endif
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typedef enum __wxMIDL_IBindStatusCallback_0006
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{
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    wxBSCF_FIRSTDATANOTIFICATION = 0x1,
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    wxBSCF_INTERMEDIATEDATANOTIFICATION = 0x2,
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    wxBSCF_LASTDATANOTIFICATION = 0x4,
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    wxBSCF_DATAFULLYAVAILABLE = 0x8,
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    wxBSCF_AVAILABLEDATASIZEUNKNOWN = 0x10
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}   wxBSCF;
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EXTERN_C const IID CLSID_FileProtocol;
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typedef struct _tagwxBINDINFO
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{
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    ULONG cbSize;
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    LPWSTR szExtraInfo;
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    STGMEDIUM stgmedData;
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    DWORD grfBindInfoF;
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    DWORD dwBindVerb;
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    LPWSTR szCustomVerb;
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    DWORD cbstgmedData;
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    DWORD dwOptions;
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    DWORD dwOptionsFlags;
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    DWORD dwCodePage;
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    SECURITY_ATTRIBUTES securityAttributes;
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    IID iid;
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    IUnknown *pUnk;
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    DWORD dwReserved;
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}   wxBINDINFO;
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typedef struct _tagwxPROTOCOLDATA
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{
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    DWORD grfFlags;
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    DWORD dwState;
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    LPVOID pData;
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    ULONG cbData;
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}   wxPROTOCOLDATA;
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class wxIInternetBindInfo : public IUnknown
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{
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public:
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    virtual HRESULT wxSTDCALL GetBindInfo(DWORD *grfBINDF,wxBINDINFO *pbindinfo) = 0;
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    virtual HRESULT wxSTDCALL GetBindString(ULONG ulStringType,LPOLESTR *ppwzStr,
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                                         ULONG cEl,ULONG *pcElFetched) = 0;
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};
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class wxIInternetProtocolSink : public IUnknown
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{
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public:
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    virtual HRESULT wxSTDCALL Switch(wxPROTOCOLDATA *pProtocolData) = 0;
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    virtual HRESULT wxSTDCALL ReportProgress(ULONG ulStatusCode,
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                                          LPCWSTR szStatusText) = 0;
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    virtual HRESULT wxSTDCALL ReportData(DWORD grfBSCF,ULONG ulProgress,
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                                      ULONG ulProgressMax) = 0;
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    virtual HRESULT wxSTDCALL ReportResult(HRESULT hrResult,DWORD dwError,
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                                        LPCWSTR szResult) = 0;
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};
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class wxIInternetProtocolRoot : public IUnknown
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{
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public:
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    virtual HRESULT wxSTDCALL Start(LPCWSTR szUrl,wxIInternetProtocolSink *pOIProtSink,
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                                 wxIInternetBindInfo *pOIBindInfo,DWORD grfPI,
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                                 HANDLE_PTR dwReserved) = 0;
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    virtual HRESULT wxSTDCALL Continue(wxPROTOCOLDATA *pProtocolData) = 0;
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    virtual HRESULT wxSTDCALL Abort(HRESULT hrReason,DWORD dwOptions) = 0;
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    virtual HRESULT wxSTDCALL Terminate(DWORD dwOptions) = 0;
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    virtual HRESULT wxSTDCALL Suspend(void) = 0;
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    virtual HRESULT wxSTDCALL Resume(void) = 0;
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};
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class wxIInternetProtocol : public wxIInternetProtocolRoot
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{
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public:
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    virtual HRESULT wxSTDCALL Read(void *pv,ULONG cb,ULONG *pcbRead) = 0;
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    virtual HRESULT wxSTDCALL Seek(LARGE_INTEGER dlibMove,DWORD dwOrigin,
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                                ULARGE_INTEGER *plibNewPosition) = 0;
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    virtual HRESULT wxSTDCALL LockRequest(DWORD dwOptions) = 0;
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    virtual HRESULT wxSTDCALL UnlockRequest(void) = 0;
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};
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class wxIInternetSession : public IUnknown
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{
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  public:
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    virtual HRESULT wxSTDCALL RegisterNameSpace(IClassFactory *pCF,REFCLSID rclsid,
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                                             LPCWSTR pwzProtocol,
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                                             ULONG cPatterns,
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                                             const LPCWSTR *ppwzPatterns,
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                                             DWORD dwReserved) = 0;
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    virtual HRESULT wxSTDCALL UnregisterNameSpace(IClassFactory *pCF,
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                                               LPCWSTR pszProtocol) = 0;
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    virtual HRESULT wxSTDCALL RegisterMimeFilter(IClassFactory *pCF,
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                                              REFCLSID rclsid,
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                                              LPCWSTR pwzType) = 0;
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    virtual HRESULT wxSTDCALL UnregisterMimeFilter(IClassFactory *pCF,
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                                                LPCWSTR pwzType) = 0;
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    virtual HRESULT wxSTDCALL CreateBinding(LPBC pBC,LPCWSTR szUrl,
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                                         IUnknown *pUnkOuter,IUnknown **ppUnk,
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                                         wxIInternetProtocol **ppOInetProt,
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                                         DWORD dwOption) = 0;
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    virtual HRESULT wxSTDCALL SetSessionOption(DWORD dwOption,LPVOID pBuffer,
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                                            DWORD dwBufferLength,
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                                            DWORD dwReserved) = 0;
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    virtual HRESULT wxSTDCALL GetSessionOption(DWORD dwOption,LPVOID pBuffer,
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                                            DWORD *pdwBufferLength,
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                                            DWORD dwReserved) = 0;
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};
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/* END OF URLMON.H implementation */
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/* Same goes for the mshtmhst.h, these are also taken
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 * from mingw-w64 headers.
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 */
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typedef enum _tagwxDOCHOSTUIFLAG
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{
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    DOCHOSTUIFLAG_DIALOG = 0x1,
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    DOCHOSTUIFLAG_DISABLE_HELP_MENU = 0x2,
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    DOCHOSTUIFLAG_NO3DBORDER = 0x4,
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    DOCHOSTUIFLAG_SCROLL_NO = 0x8,
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    DOCHOSTUIFLAG_DISABLE_SCRIPT_INACTIVE = 0x10,
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    DOCHOSTUIFLAG_OPENNEWWIN = 0x20,
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    DOCHOSTUIFLAG_DISABLE_OFFSCREEN = 0x40,
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    DOCHOSTUIFLAG_FLAT_SCROLLBAR = 0x80,
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    DOCHOSTUIFLAG_DIV_BLOCKDEFAULT = 0x100,
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    DOCHOSTUIFLAG_ACTIVATE_CLIENTHIT_ONLY = 0x200,
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    DOCHOSTUIFLAG_OVERRIDEBEHAVIORFACTORY = 0x400,
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    DOCHOSTUIFLAG_CODEPAGELINKEDFONTS = 0x800,
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    DOCHOSTUIFLAG_URL_ENCODING_DISABLE_UTF8 = 0x1000,
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    DOCHOSTUIFLAG_URL_ENCODING_ENABLE_UTF8 = 0x2000,
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    DOCHOSTUIFLAG_ENABLE_FORMS_AUTOCOMPLETE = 0x4000,
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    DOCHOSTUIFLAG_ENABLE_INPLACE_NAVIGATION = 0x10000,
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    DOCHOSTUIFLAG_IME_ENABLE_RECONVERSION = 0x20000,
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    DOCHOSTUIFLAG_THEME = 0x40000,
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    DOCHOSTUIFLAG_NOTHEME = 0x80000,
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    DOCHOSTUIFLAG_NOPICS = 0x100000,
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    DOCHOSTUIFLAG_NO3DOUTERBORDER = 0x200000,
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    DOCHOSTUIFLAG_DISABLE_EDIT_NS_FIXUP = 0x400000,
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    DOCHOSTUIFLAG_LOCAL_MACHINE_ACCESS_CHECK = 0x800000,
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    DOCHOSTUIFLAG_DISABLE_UNTRUSTEDPROTOCOL = 0x1000000
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} DOCHOSTUIFLAG;
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typedef struct _tagwxDOCHOSTUIINFO
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{
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    ULONG cbSize;
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    DWORD dwFlags;
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    DWORD dwDoubleClick;
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    OLECHAR *pchHostCss;
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    OLECHAR *pchHostNS;
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} DOCHOSTUIINFO;
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class wxIDocHostUIHandler : public IUnknown
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{
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public:
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    virtual HRESULT wxSTDCALL ShowContextMenu(DWORD dwID, POINT *ppt,
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                                              IUnknown *pcmdtReserved,
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                                              IDispatch *pdispReserved) = 0;
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    virtual HRESULT wxSTDCALL GetHostInfo(DOCHOSTUIINFO *pInfo) = 0;
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    virtual HRESULT wxSTDCALL ShowUI(DWORD dwID,
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                                     IOleInPlaceActiveObject *pActiveObject,
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                                     IOleCommandTarget *pCommandTarget,
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                                     IOleInPlaceFrame *pFrame,
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                                     IOleInPlaceUIWindow *pDoc) = 0;
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    virtual HRESULT wxSTDCALL HideUI(void) = 0;
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    virtual HRESULT wxSTDCALL UpdateUI(void) = 0;
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    virtual HRESULT wxSTDCALL EnableModeless(BOOL fEnable) = 0;
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    virtual HRESULT wxSTDCALL OnDocWindowActivate(BOOL fActivate) = 0;
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    virtual HRESULT wxSTDCALL OnFrameWindowActivate(BOOL fActivate) = 0;
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    virtual HRESULT wxSTDCALL ResizeBorder(LPCRECT prcBorder,
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                                           IOleInPlaceUIWindow *pUIWindow,
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                                           BOOL fRameWindow) = 0;
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    virtual HRESULT wxSTDCALL TranslateAccelerator(LPMSG lpMsg,
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                                                   const GUID *pguidCmdGroup,
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                                                   DWORD nCmdID) = 0;
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    virtual HRESULT wxSTDCALL GetOptionKeyPath(LPOLESTR *pchKey,
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                                               DWORD dw) = 0;
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    virtual HRESULT wxSTDCALL GetDropTarget(IDropTarget *pDropTarget,
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                                            IDropTarget **ppDropTarget) = 0;
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    virtual HRESULT wxSTDCALL GetExternal(IDispatch **ppDispatch) = 0;
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    virtual HRESULT wxSTDCALL TranslateUrl(DWORD dwTranslate,
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                                           OLECHAR *pchURLIn,
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                                           OLECHAR **ppchURLOut) = 0;
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    virtual HRESULT wxSTDCALL FilterDataObject(IDataObject *pDO,
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                                               IDataObject **ppDORet) = 0;
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};
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/* END OF MSHTMHST.H implementation */
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struct IHTMLDocument2;
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class wxFSFile;
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class ClassFactory;
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class wxIEContainer;
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class DocHostUIHandler;
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class WXDLLIMPEXP_WEBVIEW wxWebViewIE : public wxWebView
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{
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public:
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    wxWebViewIE() {}
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    wxWebViewIE(wxWindow* parent,
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           wxWindowID id,
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           const wxString& url = wxWebViewDefaultURLStr,
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           const wxPoint& pos = wxDefaultPosition,
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           const wxSize& size = wxDefaultSize,
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           long style = 0,
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           const wxString& name = wxWebViewNameStr)
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   {
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       Create(parent, id, url, pos, size, style, name);
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   }
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    ~wxWebViewIE();
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    bool Create(wxWindow* parent,
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           wxWindowID id,
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           const wxString& url = wxWebViewDefaultURLStr,
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           const wxPoint& pos = wxDefaultPosition,
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           const wxSize& size = wxDefaultSize,
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           long style = 0,
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           const wxString& name = wxWebViewNameStr);
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    virtual void LoadURL(const wxString& url);
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    virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item);
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    virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory();
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    virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory();
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    virtual bool CanGoForward() const;
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    virtual bool CanGoBack() const;
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    virtual void GoBack();
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    virtual void GoForward();
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    virtual void ClearHistory();
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    virtual void EnableHistory(bool enable = true);
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    virtual void Stop();
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    virtual void Reload(wxWebViewReloadFlags flags = wxWEB_VIEW_RELOAD_DEFAULT);
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    virtual wxString GetPageSource() const;
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    virtual wxString GetPageText() const;
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    virtual bool IsBusy() const;
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    virtual wxString GetCurrentURL() const;
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    virtual wxString GetCurrentTitle() const;
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    virtual void SetZoomType(wxWebViewZoomType);
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    virtual wxWebViewZoomType GetZoomType() const;
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    virtual bool CanSetZoomType(wxWebViewZoomType) const;
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    virtual void Print();
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    virtual wxWebViewZoom GetZoom() const;
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    virtual void SetZoom(wxWebViewZoom zoom);
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    //Clipboard functions
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    virtual bool CanCut() const;
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    virtual bool CanCopy() const;
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    virtual bool CanPaste() const;
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    virtual void Cut();
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    virtual void Copy();
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    virtual void Paste();
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    //Undo / redo functionality
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    virtual bool CanUndo() const;
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    virtual bool CanRedo() const;
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    virtual void Undo();
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    virtual void Redo();
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    //Editing functions
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    virtual void SetEditable(bool enable = true);
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    virtual bool IsEditable() const;
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    //Selection
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    virtual void SelectAll();
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    virtual bool HasSelection() const;
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    virtual void DeleteSelection();
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    virtual wxString GetSelectedText() const;
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    virtual wxString GetSelectedSource() const;
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    virtual void ClearSelection();
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    virtual void RunScript(const wxString& javascript);
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    //Virtual Filesystem Support
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    virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler);
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    virtual void* GetNativeBackend() const { return m_webBrowser; }
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    // ---- IE-specific methods
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    // FIXME: I seem to be able to access remote webpages even in offline mode...
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    bool IsOfflineMode();
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    void SetOfflineMode(bool offline);
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    wxWebViewZoom GetIETextZoom() const;
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    void SetIETextZoom(wxWebViewZoom level);
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    wxWebViewZoom GetIEOpticalZoom() const;
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    void SetIEOpticalZoom(wxWebViewZoom level);
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    void onActiveXEvent(wxActiveXEvent& evt);
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    void onEraseBg(wxEraseEvent&) {}
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    DECLARE_EVENT_TABLE();
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protected:
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    virtual void DoSetPage(const wxString& html, const wxString& baseUrl);
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private:
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    wxIEContainer* m_container;
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    wxAutomationObject m_ie;
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    IWebBrowser2* m_webBrowser;
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    DWORD m_dwCookie;
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    wxCOMPtr<DocHostUIHandler> m_uiHandler;
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    //We store the current zoom type;
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    wxWebViewZoomType m_zoomType;
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    /** The "Busy" property of IWebBrowser2 does not always return busy when
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     *  we'd want it to; this variable may be set to true in cases where the
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     *  Busy property is false but should be true.
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     */
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    bool m_isBusy;
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    //We manage our own history, the history list contains the history items
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    //which are added as documentcomplete events arrive, unless we are loading
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    //an item from the history. The position is stored as an int, and reflects
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    //where we are in the history list.
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    wxVector<wxSharedPtr<wxWebViewHistoryItem> > m_historyList;
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    wxVector<ClassFactory*> m_factories;
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    int m_historyPosition;
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    bool m_historyLoadingFromList;
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    bool m_historyEnabled;
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    //Generic helper functions for IHtmlDocument commands
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    bool CanExecCommand(wxString command) const;
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    void ExecCommand(wxString command);
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    wxCOMPtr<IHTMLDocument2> GetDocument() const;
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    //Toggles control features see INTERNETFEATURELIST for values.
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    bool EnableControlFeature(long flag, bool enable = true);
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    wxDECLARE_DYNAMIC_CLASS(wxWebViewIE);
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};
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class VirtualProtocol : public wxIInternetProtocol
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{
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protected:
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    wxIInternetProtocolSink* m_protocolSink;
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    wxString m_html;
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    VOID * fileP;
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    wxFSFile* m_file;
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    wxSharedPtr<wxWebViewHandler> m_handler;
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public:
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    VirtualProtocol(wxSharedPtr<wxWebViewHandler> handler);
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    ~VirtualProtocol() {}
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    //IUnknown
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    DECLARE_IUNKNOWN_METHODS;
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    //IInternetProtocolRoot
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    HRESULT STDMETHODCALLTYPE Abort(HRESULT WXUNUSED(hrReason),
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                                    DWORD WXUNUSED(dwOptions))
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                                   { return E_NOTIMPL; }
 | 
						|
    HRESULT STDMETHODCALLTYPE Continue(wxPROTOCOLDATA *WXUNUSED(pProtocolData))
 | 
						|
                                       { return S_OK; }
 | 
						|
    HRESULT STDMETHODCALLTYPE Resume() { return S_OK; }
 | 
						|
    HRESULT STDMETHODCALLTYPE Start(LPCWSTR szUrl,
 | 
						|
                                    wxIInternetProtocolSink *pOIProtSink,
 | 
						|
                                    wxIInternetBindInfo *pOIBindInfo,
 | 
						|
                                    DWORD grfPI,
 | 
						|
                                    HANDLE_PTR dwReserved);
 | 
						|
    HRESULT STDMETHODCALLTYPE Suspend() { return S_OK; }
 | 
						|
    HRESULT STDMETHODCALLTYPE Terminate(DWORD WXUNUSED(dwOptions)) { return S_OK; }
 | 
						|
 | 
						|
    //IInternetProtocol
 | 
						|
    HRESULT STDMETHODCALLTYPE LockRequest(DWORD WXUNUSED(dwOptions))
 | 
						|
                                          { return S_OK; }
 | 
						|
    HRESULT STDMETHODCALLTYPE Read(void *pv, ULONG cb, ULONG *pcbRead);
 | 
						|
    HRESULT STDMETHODCALLTYPE Seek(LARGE_INTEGER WXUNUSED(dlibMove),
 | 
						|
                                   DWORD WXUNUSED(dwOrigin),
 | 
						|
                                   ULARGE_INTEGER* WXUNUSED(plibNewPosition))
 | 
						|
                                   { return E_FAIL; }
 | 
						|
    HRESULT STDMETHODCALLTYPE UnlockRequest() { return S_OK; }
 | 
						|
};
 | 
						|
 | 
						|
class ClassFactory : public IClassFactory
 | 
						|
{
 | 
						|
public:
 | 
						|
    ClassFactory(wxSharedPtr<wxWebViewHandler> handler) : m_handler(handler) {}
 | 
						|
 | 
						|
    //IClassFactory
 | 
						|
    HRESULT STDMETHODCALLTYPE CreateInstance(IUnknown* pUnkOuter,
 | 
						|
                                             REFIID riid, void** ppvObject);
 | 
						|
    HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock);
 | 
						|
 | 
						|
    //IUnknown
 | 
						|
    DECLARE_IUNKNOWN_METHODS;
 | 
						|
 | 
						|
private:
 | 
						|
    wxSharedPtr<wxWebViewHandler> m_handler;
 | 
						|
};
 | 
						|
 | 
						|
class wxIEContainer : public wxActiveXContainer
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxIEContainer(wxWindow *parent, REFIID iid, IUnknown *pUnk, DocHostUIHandler* uiHandler = NULL);
 | 
						|
    virtual ~wxIEContainer();
 | 
						|
    virtual bool QueryClientSiteInterface(REFIID iid, void **_interface, const char *&desc);
 | 
						|
private:
 | 
						|
    DocHostUIHandler* m_uiHandler;
 | 
						|
};
 | 
						|
 | 
						|
class DocHostUIHandler : public wxIDocHostUIHandler
 | 
						|
{
 | 
						|
public:
 | 
						|
    DocHostUIHandler() {};
 | 
						|
    ~DocHostUIHandler() {};
 | 
						|
    virtual HRESULT wxSTDCALL ShowContextMenu(DWORD dwID, POINT *ppt,
 | 
						|
                                              IUnknown *pcmdtReserved,
 | 
						|
                                              IDispatch *pdispReserved);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL GetHostInfo(DOCHOSTUIINFO *pInfo);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL ShowUI(DWORD dwID,
 | 
						|
                                     IOleInPlaceActiveObject *pActiveObject,
 | 
						|
                                     IOleCommandTarget *pCommandTarget,
 | 
						|
                                     IOleInPlaceFrame *pFrame,
 | 
						|
                                     IOleInPlaceUIWindow *pDoc);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL HideUI(void);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL UpdateUI(void);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL EnableModeless(BOOL fEnable);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL OnDocWindowActivate(BOOL fActivate);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL OnFrameWindowActivate(BOOL fActivate);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL ResizeBorder(LPCRECT prcBorder,
 | 
						|
                                           IOleInPlaceUIWindow *pUIWindow,
 | 
						|
                                           BOOL fRameWindow);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL TranslateAccelerator(LPMSG lpMsg,
 | 
						|
                                                   const GUID *pguidCmdGroup,
 | 
						|
                                                   DWORD nCmdID);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL GetOptionKeyPath(LPOLESTR *pchKey,
 | 
						|
                                               DWORD dw);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL GetDropTarget(IDropTarget *pDropTarget,
 | 
						|
                                            IDropTarget **ppDropTarget);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL GetExternal(IDispatch **ppDispatch);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL TranslateUrl(DWORD dwTranslate,
 | 
						|
                                           OLECHAR *pchURLIn,
 | 
						|
                                           OLECHAR **ppchURLOut);
 | 
						|
 | 
						|
    virtual HRESULT wxSTDCALL FilterDataObject(IDataObject *pDO,
 | 
						|
                                               IDataObject **ppDORet);
 | 
						|
    //IUnknown
 | 
						|
    DECLARE_IUNKNOWN_METHODS;
 | 
						|
};
 | 
						|
 | 
						|
#endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_IE && defined(__WXMSW__)
 | 
						|
 | 
						|
#endif // wxWebViewIE_H
 |