include/wx/html/webkit.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        webkit.h
   3 // Purpose:     wxWebKitCtrl - embeddable web kit control
   4 // Author:      Jethro Grassie / Kevin Ollivier
   5 // Modified by:
   6 // Created:     2004-4-16
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Jethro Grassie / Kevin Ollivier
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_WEBKIT_H
  13 #define _WX_WEBKIT_H
  14
  15 #if wxUSE_WEBKIT
  16
  17 #if !defined(__WXMAC__) && !defined(__WXCOCOA__)
  18 #error "wxWebKitCtrl not implemented for this platform"
  19 #endif
  20
  21 #ifdef __WXCOCOA
  22 #include <WebKit/WebKit.h>
  23 #endif
  24 #include "wx/control.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // Web Kit Control
  28 // ----------------------------------------------------------------------------
  29
  30 class wxWebKitCtrl : public wxControl
  31 {
  32 public:
  33     DECLARE_DYNAMIC_CLASS(wxWebKitCtrl)
  34
  35     wxWebKitCtrl() {};
  36     wxWebKitCtrl(wxWindow *parent,
  37                     wxWindowID winID,
  38                     const wxString& strURL,
  39                     const wxPoint& pos = wxDefaultPosition,
  40                     const wxSize& size = wxDefaultSize, long style = 0,
  41                     const wxValidator& validator = wxDefaultValidator,
  42                     const wxString& name = wxT("webkitctrl"))
  43     {
  44         Create(parent, winID, strURL, pos, size, style, validator, name);
  45     };
  46     bool Create(wxWindow *parent,
  47                 wxWindowID winID,
  48                 const wxString& strURL,
  49                 const wxPoint& pos = wxDefaultPosition,
  50                 const wxSize& size = wxDefaultSize, long style = 0,
  51                 const wxValidator& validator = wxDefaultValidator,
  52                 const wxString& name = wxT("webkitctrl"));
  53     virtual ~wxWebKitCtrl();
  54
  55     void LoadURL(const wxString &url);
  56
  57     bool CanGoBack();
  58     bool CanGoForward();
  59     bool GoBack();
  60     bool GoForward();
  61     void Reload();
  62     void Stop();
  63     bool CanGetPageSource();
  64     wxString GetPageSource();
  65     void SetPageSource(wxString& source, const wxString& baseUrl = wxEmptyString);
  66         wxString GetPageURL(){ return m_currentURL; }
  67         wxString GetPageTitle(){ return m_pageTitle; }
  68
  69     //we need to resize the webview when the control size changes
  70     void OnSize(wxSizeEvent &event);
  71 protected:
  72     DECLARE_EVENT_TABLE()
  73     void MacVisibilityChanged();
  74
  75 private:
  76     wxWindow *m_parent;
  77     wxWindowID m_windowID;
  78     wxString m_currentURL;
  79     wxString m_pageTitle;
  80     struct objc_object *m_webView;
  81     //It should be WebView*, but WebView is an Objective-C class
  82     //TODO: look into using DECLARE_WXCOCOA_OBJC_CLASS rather than this.
  83 };
  84
  85 // ----------------------------------------------------------------------------
  86 // Web Kit Events
  87 // ----------------------------------------------------------------------------
  88
  89 enum {
  90     wxWEBKIT_STATE_START = 1,
  91     wxWEBKIT_STATE_NEGOTIATING = 2,
  92     wxWEBKIT_STATE_REDIRECTING = 4,
  93     wxWEBKIT_STATE_TRANSFERRING = 8,
  94     wxWEBKIT_STATE_STOP = 16,
  95         wxWEBKIT_STATE_FAILED = 32
  96 };
  97
  98 class wxWebKitStateChangedEvent : public wxCommandEvent
  99 {
 100     DECLARE_DYNAMIC_CLASS( wxWebKitStateChangedEvent )
 101
 102 public:
 103     int GetState() { return m_state; }
 104     void SetState(const int state) { m_state = state; }
 105     wxString GetURL() { return m_url; }
 106     void SetURL(const wxString& url) { m_url = url; }
 107
 108     wxWebKitStateChangedEvent( wxWindow* win = (wxWindow*) NULL );
 109     wxEvent *Clone(void) const { return new wxWebKitStateChangedEvent(*this); }
 110
 111 protected:
 112     int m_state;
 113     wxString m_url;
 114 };
 115
 116 typedef void (wxEvtHandler::*wxWebKitStateChangedEventFunction)(wxWebKitStateChangedEvent&);
 117
 118 BEGIN_DECLARE_EVENT_TYPES()
 119     DECLARE_LOCAL_EVENT_TYPE(wxEVT_WEBKIT_STATE_CHANGED, wxID_ANY)
 120 END_DECLARE_EVENT_TYPES()
 121
 122 #define EVT_WEBKIT_STATE_CHANGED(func) \
 123             DECLARE_EVENT_TABLE_ENTRY( wxEVT_WEBKIT_STATE_CHANGED, \
 124                             wxID_ANY, \
 125                             wxID_ANY, \
 126                             (wxObjectEventFunction)   \
 127                             (wxWebKitStateChangedEventFunction) & func, \
 128                             (wxObject *) NULL ),
 129
 130 #endif // wxUSE_WEBKIT
 131
 132 #endif // _WX_WEBKIT_H_