fae1f35e08
Add new wxWebViewConfigurationChromium class which corresponds to the "native" configuration used in the other backends and contains (some) fields of CefSettings in this one.
250 lines
8 KiB
C++
250 lines
8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Author: Steven Lamerton
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// Copyright: (c) 2013 -2015 Steven Lamerton
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WEBVIEWCHROMIUM_H_
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#define _WX_WEBVIEWCHROMIUM_H_
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#include "wx/defs.h"
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#if wxUSE_WEBVIEW && wxUSE_WEBVIEW_CHROMIUM
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#include "wx/webview.h"
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#include "wx/timer.h"
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class WXDLLIMPEXP_FWD_BASE wxFileName;
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewBackendChromium[];
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// Private namespace containing classes used only in the implementation.
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namespace wxCEF
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{
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class ClientHandler;
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struct ImplData;
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}
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class WXDLLIMPEXP_WEBVIEW wxWebViewChromium : public wxWebView
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{
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public:
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wxWebViewChromium() { Init(); }
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explicit wxWebViewChromium(const wxWebViewConfiguration& config);
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wxWebViewChromium(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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Init();
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Create(parent, id, url, pos, size, style, name);
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}
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~wxWebViewChromium();
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void SetPageSource(const wxString& pageSource);
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void SetPageText(const wxString& pageText);
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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) override;
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virtual void LoadURL(const wxString& url) override;
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virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item) override;
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virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory() override;
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virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory() override;
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virtual bool CanGoForward() const override;
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virtual bool CanGoBack() const override;
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virtual void GoBack() override;
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virtual void GoForward() override;
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virtual void ClearHistory() override;
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virtual void EnableHistory(bool enable = true) override;
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virtual void Stop() override;
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virtual void Reload(wxWebViewReloadFlags flags = wxWEBVIEW_RELOAD_DEFAULT) override;
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virtual bool SetProxy(const wxString& proxy) override;
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virtual wxString GetPageSource() const override;
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virtual wxString GetPageText() const override;
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virtual bool IsBusy() const override;
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virtual wxString GetCurrentURL() const override;
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virtual wxString GetCurrentTitle() const override;
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virtual void SetZoomType(wxWebViewZoomType type) override;
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virtual wxWebViewZoomType GetZoomType() const override;
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virtual bool CanSetZoomType(wxWebViewZoomType type) const override;
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virtual void Print() override;
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virtual wxWebViewZoom GetZoom() const override;
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virtual void SetZoom(wxWebViewZoom zoom) override;
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virtual float GetZoomFactor() const override;
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virtual void SetZoomFactor(float zoom) override;
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virtual void* GetNativeBackend() const override;
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virtual long Find(const wxString& WXUNUSED(text), int WXUNUSED(flags) = wxWEBVIEW_FIND_DEFAULT) override { return wxNOT_FOUND; }
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//Clipboard functions
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virtual bool CanCut() const override { return true; }
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virtual bool CanCopy() const override { return true; }
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virtual bool CanPaste() const override { return true; }
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virtual void Cut() override;
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virtual void Copy() override;
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virtual void Paste() override;
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//Undo / redo functionality
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virtual bool CanUndo() const override { return true; }
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virtual bool CanRedo() const override { return true; }
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virtual void Undo() override;
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virtual void Redo() override;
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//Editing functions
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virtual void SetEditable(bool enable = true) override;
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virtual bool IsEditable() const override { return false; }
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//Selection
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virtual void SelectAll() override;
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virtual bool HasSelection() const override { return false; }
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virtual void DeleteSelection() override;
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virtual wxString GetSelectedText() const override { return ""; }
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virtual wxString GetSelectedSource() const override { return ""; }
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virtual void ClearSelection() override;
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virtual bool RunScript(const wxString& javascript, wxString* output = nullptr) const override;
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//Virtual Filesystem Support
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virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler) override;
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// Chromium-specific functions.
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void SetRoot(const wxFileName& rootDir);
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#ifdef __WXGTK__
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virtual void GTKHandleRealized() override;
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#endif
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protected:
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virtual void DoSetPage(const wxString& html, const wxString& baseUrl) override;
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private:
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// Common part of all ctors.
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void Init();
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void OnSize(wxSizeEvent& event);
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// Actually create the browser: this can only be done once the window is
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// created in wxGTK.
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bool DoCreateBrowser(const wxString& url);
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//History related variables, we currently use our own implementation
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wxVector<wxSharedPtr<wxWebViewHistoryItem> > m_historyList;
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int m_historyPosition = -1;
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bool m_historyLoadingFromList = false;
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bool m_historyEnabled = true;
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//We need to store the title and zoom ourselves
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wxString m_title;
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wxWebViewZoom m_zoomLevel = wxWEBVIEW_ZOOM_MEDIUM;
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// Current main frame page source
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wxString m_pageSource;
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// The text of the current page
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wxString m_pageText;
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// Private data used by wxCEFClientHandler.
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struct wxCEF::ImplData* m_implData = nullptr;
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// We also friend wxCEFClientHandler so it can access m_implData.
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friend class wxCEF::ClientHandler;
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wxCEF::ClientHandler* m_clientHandler = nullptr;
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friend class wxWebViewChromiumModule;
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static bool ms_cefInitialized;
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static bool InitCEF(const wxWebViewConfiguration& config);
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static void ShutdownCEF();
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wxDECLARE_DYNAMIC_CLASS(wxWebViewChromium);
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};
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// Chrome-specific configuration class: a pointer to this object can be
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// retrieved using wxWebViewConfiguration::GetNativeConfiguration() and used to
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// configure some CEF-specific initialization options.
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//
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// Note that, contrary to the name of the accessor, this class is not native in
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// this backend, although it contains data found in native (i.e. defined in
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// Chrome) structs.
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class wxWebViewConfigurationChromium
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{
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public:
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wxWebViewConfigurationChromium() = default;
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// Log file location: by default debug.log under data path is used.
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wxString m_logFile;
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// Logging level must be one of cef_log_severity_t values (0 means default).
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int m_logLevel = 0;
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};
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class CefFrame;
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class CefProcessMessage;
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// Chrome-specific event sent when a message from renderer process is received.
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//
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// It provides the message received from another process and a frame that can
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// be used to send the reply back.
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class WXDLLIMPEXP_WEBVIEW wxWebViewChromiumEvent : public wxCommandEvent
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{
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public:
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wxWebViewChromiumEvent() = default;
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wxWebViewChromiumEvent(
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wxWebViewChromium& webview,
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CefFrame& frame,
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CefProcessMessage& message
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);
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CefFrame& GetFrame() const { return *m_frame; }
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CefProcessMessage& GetMessage() const { return *m_message; }
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wxString GetMessageName() const;
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private:
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CefFrame* const m_frame = nullptr;
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CefProcessMessage* const m_message = nullptr;
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wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN_DEF_COPY(wxWebViewChromiumEvent);
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};
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW,
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wxEVT_WEBVIEW_CHROMIUM_MESSAGE_RECEIVED,
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wxWebViewChromiumEvent );
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typedef void (wxEvtHandler::*wxWebViewChromiumEventFunction)
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(wxWebViewChromiumEvent&);
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#define wxWebViewChromiumEventHandler(func) \
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wxEVENT_HANDLER_CAST(wxWebViewChromiumEventFunction, func)
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#define EVT_WEBVIEW_CHROMIUM_MESSAGE_RECEIVED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_CHROMIUM_MESSAGE_RECEIVED, id, \
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wxWebViewChromiumEventHandler(fn))
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#endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_CHROMIUM
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#endif // _WX_WEBVIEWCHROMIUM_H_
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