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 defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "webkit.h"
  17 #endif
  18
  19 #if wxUSE_WEBKIT
  20
  21 #if !defined(__WXMAC__) && !defined(__WXCOCOA__)
  22 #error "wxWebKitCtrl not implemented for this platform"
  23 #endif
  24
  25 #ifdef __WXCOCOA
  26 #include <WebKit/WebKit.h>
  27 #endif
  28 #include "wx/control.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // Web Kit Control
  32 // ----------------------------------------------------------------------------
  33
  34 class wxWebKitCtrl : public wxControl
  35 {
  36 public:
  37     DECLARE_DYNAMIC_CLASS(wxWebKitCtrl)
  38
  39     wxWebKitCtrl() {};
  40     wxWebKitCtrl(wxWindow *parent,
  41                     wxWindowID winID,
  42                     const wxString& strURL,
  43                     const wxPoint& pos = wxDefaultPosition,
  44                     const wxSize& size = wxDefaultSize, long style = 0,
  45                     const wxValidator& validator = wxDefaultValidator,
  46                     const wxString& name = wxT("webkitctrl"))
  47     {
  48         Create(parent, winID, strURL, pos, size, style, validator, name);
  49     };
  50     bool Create(wxWindow *parent,
  51                 wxWindowID winID,
  52                 const wxString& strURL,
  53                 const wxPoint& pos = wxDefaultPosition,
  54                 const wxSize& size = wxDefaultSize, long style = 0,
  55                 const wxValidator& validator = wxDefaultValidator,
  56                 const wxString& name = wxT("webkitctrl"));
  57     virtual ~wxWebKitCtrl();
  58
  59     void LoadURL(const wxString &url);
  60
  61     bool CanGoBack();
  62     bool CanGoForward();
  63     bool GoBack();
  64     bool GoForward();
  65     void Reload();
  66     void Stop();
  67     bool CanGetPageSource();
  68     wxString GetPageSource();
  69     void SetPageSource(wxString& source, const wxString& baseUrl = wxEmptyString);
  70
  71     //we need to resize the webview when the control size changes
  72     void OnSize(wxSizeEvent &event);
  73 protected:
  74     DECLARE_EVENT_TABLE()
  75     void MacVisibilityChanged();
  76
  77 private:
  78     wxWindow *m_parent;
  79     wxWindowID m_windowID;
  80     wxString m_currentURL;
  81     wxString m_pageTitle;
  82     struct objc_object *m_webView;
  83     //It should be WebView*, but WebView is an Objective-C class
  84     //TODO: look into using DECLARE_WXCOCOA_OBJC_CLASS rather than this.
  85 };
  86
  87 // ----------------------------------------------------------------------------
  88 // Web Kit Events
  89 // ----------------------------------------------------------------------------
  90
  91 enum {
  92     wxWEBKIT_STATE_START = 1,
  93     wxWEBKIT_STATE_NEGOTIATING = 2,
  94     wxWEBKIT_STATE_REDIRECTING = 4,
  95     wxWEBKIT_STATE_TRANSFERRING = 8,
  96     wxWEBKIT_STATE_STOP = 16,
  97         wxWEBKIT_STATE_FAILED = 32
  98 };
  99
 100 class wxWebKitStateChangedEvent : public wxCommandEvent
 101 {
 102     DECLARE_DYNAMIC_CLASS( wxWebKitStateChangedEvent )
 103
 104 public:
 105     int GetState() { return m_state; }
 106     void SetState(const int state) { m_state = state; }
 107     wxString GetURL() { return m_url; }
 108     void SetURL(const wxString& url) { m_url = url; }
 109
 110     wxWebKitStateChangedEvent( wxWindow* win = (wxWindow*) NULL );
 111     wxEvent *Clone(void) const { return new wxWebKitStateChangedEvent(*this); }
 112
 113 protected:
 114     int m_state;
 115     wxString m_url;
 116 };
 117
 118 typedef void (wxEvtHandler::*wxWebKitStateChangedEventFunction)(wxWebKitStateChangedEvent&);
 119
 120 BEGIN_DECLARE_EVENT_TYPES()
 121     DECLARE_LOCAL_EVENT_TYPE(wxEVT_WEBKIT_STATE_CHANGED, wxID_ANY)
 122 END_DECLARE_EVENT_TYPES()
 123
 124 #define EVT_WEBKIT_STATE_CHANGED(func) \
 125             DECLARE_EVENT_TABLE_ENTRY( wxEVT_WEBKIT_STATE_CHANGED, \
 126                             wxID_ANY, \
 127                             wxID_ANY, \
 128                             (wxObjectEventFunction)   \
 129                             (wxWebKitStateChangedEventFunction) & func, \
 130                             (wxObject *) NULL ),
 131
 132 #endif // wxUSE_WEBKIT
 133
 134 #endif // _WX_WEBKIT_H_