include/wx/osx/webview_webkit.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        include/wx/osx/webkit.h
   3 // Purpose:     wxWebViewWebKit - embeddable web kit control,
   4 //                             OS X implementation of web view component
   5 // Author:      Jethro Grassie / Kevin Ollivier / Marianne Gagnon
   6 // Modified by:
   7 // Created:     2004-4-16
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Jethro Grassie / Kevin Ollivier / Marianne Gagnon
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_WEBKIT_H
  14 #define _WX_WEBKIT_H
  15
  16 #include "wx/setup.h"
  17
  18 #if wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT && (defined(__WXOSX_COCOA__) \
  19                                           ||  defined(__WXOSX_CARBON__))
  20
  21 #include "wx/control.h"
  22 #include "wx/webview.h"
  23
  24 #include "wx/osx/core/objcid.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // Web Kit Control
  28 // ----------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_WEBVIEW wxWebViewWebKit : public wxWebView
  31 {
  32 public:
  33     wxDECLARE_DYNAMIC_CLASS(wxWebViewWebKit);
  34
  35     wxWebViewWebKit() {}
  36     wxWebViewWebKit(wxWindow *parent,
  37                     wxWindowID winID = wxID_ANY,
  38                     const wxString& strURL = wxWebViewDefaultURLStr,
  39                     const wxPoint& pos = wxDefaultPosition,
  40                     const wxSize& size = wxDefaultSize, long style = 0,
  41                     const wxString& name = wxWebViewNameStr)
  42     {
  43         Create(parent, winID, strURL, pos, size, style, name);
  44     }
  45     bool Create(wxWindow *parent,
  46                 wxWindowID winID = wxID_ANY,
  47                 const wxString& strURL = wxWebViewDefaultURLStr,
  48                 const wxPoint& pos = wxDefaultPosition,
  49                 const wxSize& size = wxDefaultSize, long style = 0,
  50                 const wxString& name = wxWebViewNameStr);
  51     virtual ~wxWebViewWebKit();
  52
  53     virtual bool CanGoBack() const;
  54     virtual bool CanGoForward() const;
  55     virtual void GoBack();
  56     virtual void GoForward();
  57     virtual void Reload(wxWebViewReloadFlags flags = wxWEB_VIEW_RELOAD_DEFAULT);
  58     virtual void Stop();
  59     virtual wxString GetPageSource() const;
  60     virtual wxString GetPageText() const;
  61
  62     virtual void Print();
  63
  64     virtual void LoadURL(const wxString& url);
  65     virtual wxString GetCurrentURL() const;
  66     virtual wxString GetCurrentTitle() const;
  67     virtual wxWebViewZoom GetZoom() const;
  68     virtual void SetZoom(wxWebViewZoom zoom);
  69
  70     virtual void SetZoomType(wxWebViewZoomType zoomType);
  71     virtual wxWebViewZoomType GetZoomType() const;
  72     virtual bool CanSetZoomType(wxWebViewZoomType type) const;
  73
  74     virtual bool IsBusy() const { return m_busy; }
  75
  76     //History functions
  77     virtual void ClearHistory();
  78     virtual void EnableHistory(bool enable = true);
  79     virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory();
  80     virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory();
  81     virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item);
  82
  83     //Undo / redo functionality
  84     virtual bool CanUndo() const;
  85     virtual bool CanRedo() const;
  86     virtual void Undo();
  87     virtual void Redo();
  88
  89     //Find function
  90     virtual long Find(const wxString& text, int flags = wxWEB_VIEW_FIND_DEFAULT)
  91     {
  92         wxUnusedVar(text);
  93         wxUnusedVar(flags);
  94         return wxNOT_FOUND;
  95     }
  96
  97     //Clipboard functions
  98     virtual bool CanCut() const { return true; }
  99     virtual bool CanCopy() const { return true; }
 100     virtual bool CanPaste() const { return true; }
 101     virtual void Cut();
 102     virtual void Copy();
 103     virtual void Paste();
 104
 105     //Editing functions
 106     virtual void SetEditable(bool enable = true);
 107     virtual bool IsEditable() const;
 108
 109     //Selection
 110     virtual void DeleteSelection();
 111     virtual bool HasSelection() const;
 112     virtual void SelectAll();
 113     virtual wxString GetSelectedText() const;
 114     virtual wxString GetSelectedSource() const;
 115     virtual void ClearSelection();
 116
 117     void RunScript(const wxString& javascript);
 118
 119     //Virtual Filesystem Support
 120     virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler);
 121
 122     virtual void* GetNativeBackend() const { return m_webView; }
 123
 124     // ---- methods not from the parent (common) interface
 125     bool  CanGetPageSource() const;
 126
 127     void  SetScrollPos(int pos);
 128     int   GetScrollPos();
 129
 130     bool  CanIncreaseTextSize() const;
 131     void  IncreaseTextSize();
 132     bool  CanDecreaseTextSize() const;
 133     void  DecreaseTextSize();
 134
 135     float GetWebkitZoom() const;
 136     void  SetWebkitZoom(float zoom);
 137
 138     // don't hide base class virtuals
 139     virtual void SetScrollPos( int orient, int pos, bool refresh = true )
 140         { return wxControl::SetScrollPos(orient, pos, refresh); }
 141     virtual int GetScrollPos( int orient ) const
 142         { return wxControl::GetScrollPos(orient); }
 143
 144     //we need to resize the webview when the control size changes
 145     void OnSize(wxSizeEvent &event);
 146     void OnMove(wxMoveEvent &event);
 147     void OnMouseEvents(wxMouseEvent &event);
 148
 149     bool m_busy;
 150
 151 protected:
 152     virtual void DoSetPage(const wxString& html, const wxString& baseUrl);
 153
 154     DECLARE_EVENT_TABLE()
 155     void MacVisibilityChanged();
 156
 157 private:
 158     wxWindow *m_parent;
 159     wxWindowID m_windowID;
 160     wxString m_pageTitle;
 161
 162     wxObjCID m_webView;
 163
 164     // we may use this later to setup our own mouse events,
 165     // so leave it in for now.
 166     void* m_webKitCtrlEventHandler;
 167     //It should be WebView*, but WebView is an Objective-C class
 168     //TODO: look into using DECLARE_WXCOCOA_OBJC_CLASS rather than this.
 169 };
 170
 171 class WXDLLIMPEXP_WEBVIEW wxWebViewFactoryWebKit : public wxWebViewFactory
 172 {
 173 public:
 174     virtual wxWebView* Create() { return new wxWebViewWebKit; }
 175     virtual wxWebView* Create(wxWindow* parent,
 176                               wxWindowID id,
 177                               const wxString& url = wxWebViewDefaultURLStr,
 178                               const wxPoint& pos = wxDefaultPosition,
 179                               const wxSize& size = wxDefaultSize,
 180                               long style = 0,
 181                               const wxString& name = wxWebViewNameStr)
 182     { return new wxWebViewWebKit(parent, id, url, pos, size, style, name); }
 183 };
 184
 185 #endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT
 186
 187 #endif // _WX_WEBKIT_H_