357 lines
12 KiB
C
357 lines
12 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: include/wx/msw/webview_ie.h
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// Purpose: wxMSW IE wxWebView backend
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// Author: Marianne Gagnon
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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/msw/webview_missing.h"
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#include "wx/sharedptr.h"
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#include "wx/vector.h"
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struct IHTMLDocument2;
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struct IHTMLElement;
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struct IMarkupPointer;
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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 wxFindPointers;
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class wxIInternetProtocol;
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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 = wxWEBVIEW_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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//Find function
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virtual long Find(const wxString& text, int flags = wxWEBVIEW_FIND_DEFAULT);
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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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//We store find flag, results and position.
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wxVector<wxFindPointers> m_findPointers;
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int m_findFlags;
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wxString m_findText;
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int m_findPosition;
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//Generic helper functions
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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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bool IsElementVisible(wxCOMPtr<IHTMLElement> elm);
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//Find helper functions.
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void FindInternal(const wxString& text, int flags, int internal_flag);
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long FindNext(int direction = 1);
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void FindClear();
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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 WXDLLIMPEXP_WEBVIEW wxWebViewFactoryIE : public wxWebViewFactory
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{
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public:
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virtual wxWebView* Create() { return new wxWebViewIE; }
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virtual wxWebView* 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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{ return new wxWebViewIE(parent, id, url, pos, size, style, name); }
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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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virtual ~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; }
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HRESULT STDMETHODCALLTYPE Continue(wxPROTOCOLDATA *WXUNUSED(pProtocolData))
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{ return S_OK; }
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HRESULT STDMETHODCALLTYPE Resume() { return S_OK; }
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HRESULT STDMETHODCALLTYPE Start(LPCWSTR szUrl,
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wxIInternetProtocolSink *pOIProtSink,
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wxIInternetBindInfo *pOIBindInfo,
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DWORD grfPI,
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HANDLE_PTR dwReserved);
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HRESULT STDMETHODCALLTYPE Suspend() { return S_OK; }
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HRESULT STDMETHODCALLTYPE Terminate(DWORD WXUNUSED(dwOptions)) { return S_OK; }
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//IInternetProtocol
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HRESULT STDMETHODCALLTYPE LockRequest(DWORD WXUNUSED(dwOptions))
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{ return S_OK; }
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HRESULT STDMETHODCALLTYPE Read(void *pv, ULONG cb, ULONG *pcbRead);
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HRESULT STDMETHODCALLTYPE Seek(LARGE_INTEGER WXUNUSED(dlibMove),
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DWORD WXUNUSED(dwOrigin),
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ULARGE_INTEGER* WXUNUSED(plibNewPosition))
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{ return E_FAIL; }
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HRESULT STDMETHODCALLTYPE UnlockRequest() { return S_OK; }
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};
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class ClassFactory : public IClassFactory
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{
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public:
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ClassFactory(wxSharedPtr<wxWebViewHandler> handler) : m_handler(handler)
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{ AddRef(); }
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virtual ~ClassFactory() {}
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wxString GetName() { return m_handler->GetName(); }
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//IClassFactory
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HRESULT STDMETHODCALLTYPE CreateInstance(IUnknown* pUnkOuter,
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REFIID riid, void** ppvObject);
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HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock);
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//IUnknown
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DECLARE_IUNKNOWN_METHODS;
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private:
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wxSharedPtr<wxWebViewHandler> m_handler;
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};
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class wxIEContainer : public wxActiveXContainer
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{
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public:
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wxIEContainer(wxWindow *parent, REFIID iid, IUnknown *pUnk, DocHostUIHandler* uiHandler = NULL);
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virtual ~wxIEContainer();
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virtual bool QueryClientSiteInterface(REFIID iid, void **_interface, const char *&desc);
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private:
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DocHostUIHandler* m_uiHandler;
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};
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class DocHostUIHandler : public wxIDocHostUIHandler
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{
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public:
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DocHostUIHandler(wxWebView* browser) { m_browser = browser; }
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virtual ~DocHostUIHandler() {}
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virtual HRESULT wxSTDCALL ShowContextMenu(DWORD dwID, POINT *ppt,
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IUnknown *pcmdtReserved,
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IDispatch *pdispReserved);
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virtual HRESULT wxSTDCALL GetHostInfo(DOCHOSTUIINFO *pInfo);
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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);
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virtual HRESULT wxSTDCALL HideUI(void);
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virtual HRESULT wxSTDCALL UpdateUI(void);
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virtual HRESULT wxSTDCALL EnableModeless(BOOL fEnable);
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virtual HRESULT wxSTDCALL OnDocWindowActivate(BOOL fActivate);
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virtual HRESULT wxSTDCALL OnFrameWindowActivate(BOOL fActivate);
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virtual HRESULT wxSTDCALL ResizeBorder(LPCRECT prcBorder,
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IOleInPlaceUIWindow *pUIWindow,
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BOOL fRameWindow);
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virtual HRESULT wxSTDCALL TranslateAccelerator(LPMSG lpMsg,
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const GUID *pguidCmdGroup,
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DWORD nCmdID);
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virtual HRESULT wxSTDCALL GetOptionKeyPath(LPOLESTR *pchKey,
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DWORD dw);
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virtual HRESULT wxSTDCALL GetDropTarget(IDropTarget *pDropTarget,
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IDropTarget **ppDropTarget);
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virtual HRESULT wxSTDCALL GetExternal(IDispatch **ppDispatch);
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virtual HRESULT wxSTDCALL TranslateUrl(DWORD dwTranslate,
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OLECHAR *pchURLIn,
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OLECHAR **ppchURLOut);
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virtual HRESULT wxSTDCALL FilterDataObject(IDataObject *pDO,
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IDataObject **ppDORet);
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//IUnknown
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DECLARE_IUNKNOWN_METHODS;
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private:
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wxWebView* m_browser;
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};
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class wxFindPointers
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{
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public:
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wxFindPointers(wxIMarkupPointer *ptrBegin, wxIMarkupPointer *ptrEnd)
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{
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begin = ptrBegin;
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end = ptrEnd;
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}
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//The two markup pointers.
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wxIMarkupPointer *begin, *end;
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};
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#endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_IE && defined(__WXMSW__)
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#endif // wxWebViewIE_H
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