include/wx/gtk/webview_webkit.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        include/gtk/wx/webview.h
   3 // Purpose:     GTK webkit backend for web view component
   4 // Author:      Robert Roebling, Marianne Gagnon
   5 // Id:          $Id$
   6 // Copyright:   (c) 2010 Marianne Gagnon, 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_GTK_WEBKITCTRL_H_
  11 #define _WX_GTK_WEBKITCTRL_H_
  12
  13 #include "wx/setup.h"
  14
  15 #if wxUSE_WEBVIEW_WEBKIT && defined(__WXGTK__)
  16
  17 #include "webkit/webkit.h"
  18 #include "wx/sharedptr.h"
  19 #include "wx/webview.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // wxWebViewWebKit
  23 //-----------------------------------------------------------------------------
  24
  25 class WXDLLIMPEXP_WEB wxWebViewWebKit : public wxWebView
  26 {
  27 public:
  28     wxWebViewWebKit() { Init(); }
  29
  30     wxWebViewWebKit(wxWindow *parent,
  31            wxWindowID id = wxID_ANY,
  32            const wxString& url = wxWebViewDefaultURLStr,
  33            const wxPoint& pos = wxDefaultPosition,
  34            const wxSize& size = wxDefaultSize, long style = 0,
  35            const wxString& name = wxWebViewNameStr)
  36     {
  37         Init();
  38
  39         Create(parent, id, url, pos, size, style, name);
  40     }
  41
  42     virtual bool Create(wxWindow *parent,
  43            wxWindowID id = wxID_ANY,
  44            const wxString& url = wxWebViewDefaultURLStr,
  45            const wxPoint& pos = wxDefaultPosition,
  46            const wxSize& size = wxDefaultSize, long style = 0,
  47            const wxString& name = wxWebViewNameStr);
  48
  49     virtual bool Enable( bool enable = true );
  50
  51     // implementation
  52     // --------------
  53
  54     static wxVisualAttributes
  55     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
  56
  57     // helper to allow access to protected member from GTK callback
  58     void MoveWindow(int x, int y, int width, int height)
  59     {
  60         DoMoveWindow(x, y, width, height);
  61     }
  62
  63     void ZoomIn();
  64     void ZoomOut();
  65     void SetWebkitZoom(float level);
  66     float GetWebkitZoom();
  67
  68     virtual void Stop();
  69     virtual void LoadUrl(const wxString& url);
  70     virtual void GoBack();
  71     virtual void GoForward();
  72     virtual void Reload(wxWebViewReloadFlags flags = wxWEB_VIEW_RELOAD_DEFAULT);
  73     virtual bool CanGoBack();
  74     virtual bool CanGoForward();
  75     virtual void ClearHistory();
  76     virtual void EnableHistory(bool enable = true);
  77     virtual wxVector<wxSharedPtr<wxWebHistoryItem> > GetBackwardHistory();
  78     virtual wxVector<wxSharedPtr<wxWebHistoryItem> > GetForwardHistory();
  79     virtual void LoadHistoryItem(wxSharedPtr<wxWebHistoryItem> item);
  80     virtual wxString GetCurrentURL();
  81     virtual wxString GetCurrentTitle();
  82     virtual wxString GetPageSource();
  83     virtual wxString GetPageText();
  84     //We do not want to hide the other overloads
  85     using wxWebView::SetPage;
  86     virtual void SetPage(const wxString& html, const wxString& baseUrl);
  87     virtual void Print();
  88     virtual bool IsBusy();
  89
  90     void SetZoomType(wxWebViewZoomType);
  91     wxWebViewZoomType GetZoomType() const;
  92     bool CanSetZoomType(wxWebViewZoomType) const;
  93     virtual wxWebViewZoom GetZoom();
  94     virtual void SetZoom(wxWebViewZoom);
  95
  96     //Clipboard functions
  97     virtual bool CanCut();
  98     virtual bool CanCopy();
  99     virtual bool CanPaste();
 100     virtual void Cut();
 101     virtual void Copy();
 102     virtual void Paste();
 103
 104     //Undo / redo functionality
 105     virtual bool CanUndo();
 106     virtual bool CanRedo();
 107     virtual void Undo();
 108     virtual void Redo();
 109
 110     //Editing functions
 111     virtual void SetEditable(bool enable = true);
 112     virtual bool IsEditable();
 113
 114     //Selection
 115     virtual void DeleteSelection();
 116     virtual bool HasSelection();
 117     virtual void SelectAll();
 118     virtual wxString GetSelectedText();
 119     virtual wxString GetSelectedSource();
 120     virtual void ClearSelection();
 121
 122     virtual void RunScript(const wxString& javascript);
 123
 124     //Virtual Filesystem Support
 125     virtual void RegisterHandler(wxWebHandler* handler);
 126     virtual wxVector<wxWebHandler*> GetHandlers() { return m_handlerList; }
 127
 128     /** FIXME: hack to work around signals being received too early */
 129     bool m_ready;
 130
 131
 132     /** TODO: check if this can be made private
 133      * The native control has a getter to check for busy state, but except in
 134      * very recent versions of webkit this getter doesn't say everything we need
 135      * (namely it seems to stay indefinitely busy when loading is cancelled by
 136      * user)
 137      */
 138     bool m_busy;
 139
 140     bool m_guard;
 141     wxString m_vfsurl;
 142
 143     //We use this flag to stop recursion when we load a page from the navigation
 144     //callback, mainly when loading a VFS page
 145     bool m_guard;
 146
 147 protected:
 148
 149     virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
 150
 151 private:
 152
 153     // focus event handler: calls GTKUpdateBitmap()
 154     void GTKOnFocus(wxFocusEvent& event);
 155
 156     GtkWidget *web_view;
 157     gint m_historyLimit;
 158
 159     wxVector<wxWebHandler*> m_handlerList;
 160
 161     wxDECLARE_DYNAMIC_CLASS(wxWebViewWebKit);
 162 };
 163
 164 #endif // wxUSE_WEBVIEW_WEBKIT && defined(__WXGTK__)
 165
 166 #endif