include/wx/msw/webview_ie.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        include/wx/msw/webviewie.h
   3 // Purpose:     wxMSW IE wxWebView backend
   4 // Author:      Marianne Gagnon
   5 // Id:          $Id$
   6 // Copyright:   (c) 2010 Marianne Gagnon, Steven Lamerton
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef wxWebViewIE_H
  11 #define wxWebViewIE_H
  12
  13 #include "wx/setup.h"
  14
  15 #if wxUSE_WEBVIEW_IE
  16
  17 #include "wx/control.h"
  18 #include "wx/webview.h"
  19 #include "wx/msw/ole/automtn.h"
  20 #include "wx/msw/ole/activex.h"
  21 #include "wx/sharedptr.h"
  22
  23 class WXDLLIMPEXP_WEB wxWebHistoryItem
  24 {
  25 public:
  26     wxWebHistoryItem(const wxString& url, const wxString& title) :
  27                      m_url(url), m_title(title) {}
  28     wxString GetUrl() { return m_url; }
  29     wxString GetTitle() { return m_title; }
  30
  31 private:
  32     wxString m_url, m_title;
  33 };
  34
  35 class WXDLLIMPEXP_WEB wxWebViewIE : public wxWebView
  36 {
  37 public:
  38
  39     wxWebViewIE() {}
  40
  41     wxWebViewIE(wxWindow* parent,
  42            wxWindowID id,
  43            const wxString& url = wxWebViewDefaultURLStr,
  44            const wxPoint& pos = wxDefaultPosition,
  45            const wxSize& size = wxDefaultSize,
  46            long style = 0,
  47            const wxString& name = wxWebViewNameStr)
  48    {
  49        Create(parent, id, url, pos, size, style, name);
  50    }
  51
  52     bool Create(wxWindow* parent,
  53            wxWindowID id,
  54            const wxString& url = wxWebViewDefaultURLStr,
  55            const wxPoint& pos = wxDefaultPosition,
  56            const wxSize& size = wxDefaultSize,
  57            long style = 0,
  58            const wxString& name = wxWebViewNameStr);
  59
  60     virtual void LoadUrl(const wxString& url);
  61     virtual void LoadHistoryItem(wxSharedPtr<wxWebHistoryItem> item);
  62
  63     virtual bool CanGoForward();
  64     virtual bool CanGoBack();
  65     virtual void GoBack();
  66     virtual void GoForward();
  67     virtual void ClearHistory();
  68     virtual void EnableHistory(bool enable = true);
  69     virtual void Stop();
  70     virtual void Reload(wxWebViewReloadFlags flags = wxWEB_VIEW_RELOAD_DEFAULT);
  71
  72     virtual wxString GetPageSource();
  73
  74     virtual bool IsBusy();
  75     virtual wxString GetCurrentURL();
  76     virtual wxString GetCurrentTitle();
  77
  78     virtual void SetZoomType(wxWebViewZoomType);
  79     virtual wxWebViewZoomType GetZoomType() const;
  80     virtual bool CanSetZoomType(wxWebViewZoomType) const;
  81
  82     virtual void Print();
  83
  84     virtual void SetPage(const wxString& html, const wxString& baseUrl);
  85
  86     virtual wxWebViewZoom GetZoom();
  87     virtual void SetZoom(wxWebViewZoom zoom);
  88
  89     // ---- IE-specific methods
  90
  91     // FIXME: I seem to be able to access remote webpages even in offline mode...
  92     bool IsOfflineMode();
  93     void SetOfflineMode(bool offline);
  94
  95     /**
  96      * Get text zoom
  97      * @return text zoom from 0 to 4
  98      */
  99     int GetIETextZoom();
 100
 101     /**
 102      *  @param level 0 to 4
 103      */
 104     void SetIETextZoom(int level);
 105
 106     void SetIEOpticalZoom(float zoom);
 107     float GetIEOpticalZoom();
 108
 109     void onActiveXEvent(wxActiveXEvent& evt);
 110     void onEraseBg(wxEraseEvent& evt) {}
 111
 112     DECLARE_EVENT_TABLE();
 113
 114 private:
 115     wxActiveXContainer* m_container;
 116     wxAutomationObject m_ie;
 117     IWebBrowser2* m_webBrowser;
 118     DWORD m_dwCookie;
 119     bool m_canNavigateBack;
 120     bool m_canNavigateForward;
 121
 122     /** The "Busy" property of IWebBrowser2 does not always return busy when
 123      *  we'd want it to; this variable may be set to true in cases where the
 124      *  Busy property is false but should be true.
 125      */
 126     bool m_isBusy;
 127     //We manage our own history, the history list contains the history items
 128     //which are added as documentcomplete events arrive, unless we are loading
 129     //an item from the history. The position is stored as an int, and reflects
 130     //where we are in the history list.
 131     wxVector<wxSharedPtr<wxWebHistoryItem> > m_historyList;
 132     int m_historyPosition;
 133     bool m_historyLoadingFromList;
 134     bool m_historyEnabled;
 135
 136 };
 137
 138 #endif // wxUSE_WEBVIEW_IE
 139
 140 #endif // wxWebViewIE_H