Initial work on virtual file system support for the WebKitGTK+ backend. It now suppor...

[wxWidgets.git] / include / wx / webview.h

diff --git a/include/wx/webview.h b/include/wx/webview.h
index 769e7c55ce5bf23b789edb2f73faa4f61dc7bad0..0bc9f8547e4992ac60ecf873c4ab0a784ba062c3 100644 (file)
--- a/include/wx/webview.h
+++ b/include/wx/webview.h
@@ -3,20 +3,30 @@
 // Purpose:     Common interface and events for web view component
 // Author:      Marianne Gagnon
 // Id:          $Id$
 // Purpose:     Common interface and events for web view component
 // Author:      Marianne Gagnon
 // Id:          $Id$

-// Copyright:   (c) 2010 Marianne Gagnon
+// Copyright:   (c) 2010 Marianne Gagnon, 2011 Steven Lamerton

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_WEB_VIEW_H_
 #define _WX_WEB_VIEW_H_
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_WEB_VIEW_H_
 #define _WX_WEB_VIEW_H_
 

-#include "wx/defs.h"
+#include "wx/setup.h"

 
 #if wxUSE_WEB
 
 #include <wx/control.h>
 #include <wx/event.h>
 #include <wx/sstream.h>
 
 #if wxUSE_WEB
 
 #include <wx/control.h>
 #include <wx/event.h>
 #include <wx/sstream.h>

+#include "wx/sharedptr.h"
+#include "wx/vector.h"
+
+#include "wx/osx/webhistoryitem_webkit.h"
+#include "wx/gtk/webhistoryitem_webkit.h"
+#include "wx/msw/webhistoryitem_ie.h"
+
+class wxFSFile;
+class wxFileSystem;
+

 
 /**
  * Zoom level in web view component
 
 /**
  * Zoom level in web view component


@@ -46,31 +56,31 @@ enum wxWebViewZoomType
 enum wxWebNavigationError
 {
     /** Connection error (timeout, etc.) */
 enum wxWebNavigationError
 {
     /** Connection error (timeout, etc.) */

-    wxWEB_NAV_ERR_CONNECTION = 1,
+    wxWEB_NAV_ERR_CONNECTION,

     /** Invalid certificate */
     /** Invalid certificate */

-    wxWEB_NAV_ERR_CERTIFICATE = 2,
+    wxWEB_NAV_ERR_CERTIFICATE,

     /** Authentication required */
     /** Authentication required */

-    wxWEB_NAV_ERR_AUTH = 3,
+    wxWEB_NAV_ERR_AUTH,

     /** Other security error */
     /** Other security error */

-    wxWEB_NAV_ERR_SECURITY = 4,
+    wxWEB_NAV_ERR_SECURITY,

     /** Requested resource not found */
     /** Requested resource not found */

-    wxWEB_NAV_ERR_NOT_FOUND = 5,
+    wxWEB_NAV_ERR_NOT_FOUND,

     /** Invalid request/parameters (e.g. bad URL, bad protocol,
       * unsupported resource type) */
     /** Invalid request/parameters (e.g. bad URL, bad protocol,
       * unsupported resource type) */

-    wxWEB_NAV_ERR_REQUEST = 6,
+    wxWEB_NAV_ERR_REQUEST,

     /** The user cancelled (e.g. in a dialog) */
     /** The user cancelled (e.g. in a dialog) */

-    wxWEB_NAV_ERR_USER_CANCELLED = 7,
+    wxWEB_NAV_ERR_USER_CANCELLED,

     /** Another (exotic) type of error that didn't fit in other categories*/
     /** Another (exotic) type of error that didn't fit in other categories*/

-    wxWEB_NAV_ERR_OTHER = 8
+    wxWEB_NAV_ERR_OTHER

 };
 
 /** Type of refresh */
 enum wxWebViewReloadFlags
 {
     /** Default reload, will access cache */
 };
 
 /** Type of refresh */
 enum wxWebViewReloadFlags
 {
     /** Default reload, will access cache */

-    wxWEB_VIEW_RELOAD_DEFAULT = 0,
+    wxWEB_VIEW_RELOAD_DEFAULT,

     /** Reload the current view without accessing the cache */
     /** Reload the current view without accessing the cache */

-    wxWEB_VIEW_RELOAD_NO_CACHE = 1
+    wxWEB_VIEW_RELOAD_NO_CACHE 

 };
 
 
 };
 
 


@@ -83,58 +93,26 @@ enum wxWebViewBackend
      * engine for the current platform*/
     wxWEB_VIEW_BACKEND_DEFAULT,
 
      * engine for the current platform*/
     wxWEB_VIEW_BACKEND_DEFAULT,
 

-    /** The OSX-native WebKit web engine */
-    wxWEB_VIEW_BACKEND_OSX_WEBKIT,
-
-    /** The GTK port of the WebKit engine */
-    wxWEB_VIEW_BACKEND_GTK_WEBKIT,
+    /** The WebKit web engine */
+    wxWEB_VIEW_BACKEND_WEBKIT,

 
     /** Use Microsoft Internet Explorer as web engine */
     wxWEB_VIEW_BACKEND_IE
 };
 
 
     /** Use Microsoft Internet Explorer as web engine */
     wxWEB_VIEW_BACKEND_IE
 };
 

-extern WXDLLIMPEXP_DATA_CORE(const char) wxWebViewNameStr[];
-extern WXDLLIMPEXP_DATA_CORE(const char) wxWebViewDefaultURLStr[];
+//Base class for custom scheme handlers
+class WXDLLIMPEXP_WEB wxWebHandler
+{
+public:
+    virtual wxString GetName() const = 0;
+    virtual wxFSFile* GetFile(const wxString &uri) = 0;
+    virtual wxString CombineURIs(const wxString &baseuri, const wxString &newuri) = 0;
+};

 
 

-/**
-  * @class wxWebView
-  *
-  * This control may be used to render web (HTML / CSS / javascript) documents.
-  * Capabilities of the HTML renderer will depend upon the backed.
-  * TODO: describe each backend and its capabilities here
-  *
-  * Note that errors are generally reported asynchronously though the
-  * wxEVT_COMMAND_WEB_VIEW_ERROR event described below.
-  *
-  * @beginEventEmissionTable{wxWebNavigationEvent}
-  * @event{EVT_BUTTON(id, func)}
-  *
-  * @event{EVT_WEB_VIEW_NAVIGATING(id, func)}
-  * Process a wxEVT_COMMAND_WEB_VIEW_NAVIGATING event, generated before trying
-  * to get a resource. This event may be vetoed to prevent navigating to this
-  * resource. Note that if the displayed HTML document has several frames, one
-  * such event will be generated per frame.
-  *
-  * @event{EVT_WEB_VIEW_NAVIGATED(id, func)}
-  * Process a wxEVT_COMMAND_WEB_VIEW_NAVIGATED event generated after it was
-  * confirmed that a resource would be requested. This event may not be vetoed.
-  * Note that if the displayed HTML document has several frames, one such event
-  * will be generated per frame.
-  *
-  * @event{EVT_WEB_VIEW_LOADED(id, func)}
-  * Process a wxEVT_COMMAND_WEB_VIEW_LOADED event generated when the document
-  * is fully loaded and displayed.
-  *
-  * @event{EVT_WEB_VIEW_ERRROR(id, func)}
-  * Process a wxEVT_COMMAND_WEB_VIEW_ERROR event generated when a navigation
-  * error occurs.
-  * The integer associated with this event will be a wxWebNavigationError item.
-  * The string associated with this event may contain a backend-specific more
-  * precise error message/code.
-  *
-  * @endEventTable
-  */
-class wxWebView : public wxControl
+extern WXDLLIMPEXP_DATA_WEB(const char) wxWebViewNameStr[];
+extern WXDLLIMPEXP_DATA_WEB(const char) wxWebViewDefaultURLStr[];
+
+class WXDLLIMPEXP_WEB wxWebView : public wxControl

 {
 public:
 
 {
 public:
 


@@ -211,6 +189,12 @@ public:
      */
     virtual void LoadUrl(const wxString& url) = 0;
 
      */
     virtual void LoadUrl(const wxString& url) = 0;
 

+    virtual void ClearHistory() = 0;
+    virtual void EnableHistory(bool enable = true) = 0;
+    virtual wxVector<wxSharedPtr<wxWebHistoryItem> > GetBackwardHistory() = 0;
+    virtual wxVector<wxSharedPtr<wxWebHistoryItem> > GetForwardHistory() = 0;
+    virtual void LoadHistoryItem(wxSharedPtr<wxWebHistoryItem> item) = 0;
+

     /**
      * Stop the current page loading process, if any.
      * May trigger an error event of type wxWEB_NAV_ERR_USER_CANCELLED.
     /**
      * Stop the current page loading process, if any.
      * May trigger an error event of type wxWEB_NAV_ERR_USER_CANCELLED.


@@ -243,6 +227,7 @@ public:
      *         shown
      */
     virtual wxString GetPageSource() = 0;
      *         shown
      */
     virtual wxString GetPageSource() = 0;

+    virtual wxString GetPageText() = 0;

 
    /**
      * Get the zoom factor of the page
 
    /**
      * Get the zoom factor of the page


@@ -302,15 +287,21 @@ public:
         SetPage(stream.GetString(), baseUrl);
     }
 
         SetPage(stream.GetString(), baseUrl);
     }
 

-    // TODO:
-    //     wxString GetSelection();                         // maybe?
-    //     void SetSelection(...);                          // maybe?
+    virtual void SetEditable(bool enable = true) = 0;
+    virtual bool IsEditable() = 0;

 
 

-    //     void MakeEditable(bool enable = true);           // maybe?
-    //     bool IsEditable();                               // maybe?
+    virtual void SelectAll() = 0;
+    virtual bool HasSelection() = 0;
+    virtual void DeleteSelection() = 0;
+    virtual wxString GetSelectedText() = 0;
+    virtual wxString GetSelectedSource() = 0;
+    virtual void ClearSelection() = 0;

 
 

+    virtual void RunScript(const wxString& javascript) = 0;
+
+    // TODO:

     //     void EnableJavascript(bool enabled);             // maybe?
     //     void EnableJavascript(bool enabled);             // maybe?

-    //     wxString RunScript(const wxString& javascript);  // maybe?
+    //       // maybe?

 
     //     void SetScrollPos(int pos);                      // maybe?
     //     int GetScrollPos();                              // maybe?
 
     //     void SetScrollPos(int pos);                      // maybe?
     //     int GetScrollPos();                              // maybe?


@@ -323,16 +314,6 @@ public:
     //    virtual bool IsOfflineMode() = 0;                 // maybe?
     //     virtual void SetOfflineMode(bool offline) = 0;   // maybe?
 
     //    virtual bool IsOfflineMode() = 0;                 // maybe?
     //     virtual void SetOfflineMode(bool offline) = 0;   // maybe?
 

-    // TODO: offer API to control the opening of new frames
-    //       (through <a target="..."> as well as through javascript), OR
-    //       provide a behavior consistent across ports.
-    // - OSX : I receive an event for new frames opened with HTML target, and
-    //           currently block them all.
-    // - IE  : The DISPID_NEWWINDOW2 event looks like it should work, but I
-    //           receive way too many of them. A new IE instance opens.
-    // - GTK : All frame open requests are blocked. A slot exists that I could
-    //           connect to to be notified if ever needed
-

     /**
      * Opens a print dialog so that the user may print the currently
      * displayed page.
     /**
      * Opens a print dialog so that the user may print the currently
      * displayed page.


@@ -343,25 +324,36 @@ public:
      * Returns whether the web control is currently busy (e.g. loading a page)
      */
     virtual bool IsBusy() = 0;
      * Returns whether the web control is currently busy (e.g. loading a page)
      */
     virtual bool IsBusy() = 0;

-};

 
 

-//class WXDLLIMPEXP_FWD_HTML wxWebNavigationEvent;
+    //Clipboard functions
+    virtual bool CanCut() = 0;
+    virtual bool CanCopy() = 0;
+    virtual bool CanPaste() = 0;
+    virtual void Cut() = 0;
+    virtual void Copy() = 0;
+    virtual void Paste() = 0;
+
+    //Undo / redo functionality
+    virtual bool CanUndo() = 0;
+    virtual bool CanRedo() = 0;
+    virtual void Undo() = 0;
+    virtual void Redo() = 0;

 
 

-// FIXME: get those WXDLLIMPEXP_HTML & DECLARE_DYNAMIC_CLASS right...
-//wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_HTML, wxEVT_COMMAND_WEB_VIEW_NAVIGATE,
-//                         wxWebNavigationEvent );
+    //Virtual Filesystem Support
+    virtual void RegisterHandler(wxWebHandler* handler) = 0;

 
 

+    wxDECLARE_ABSTRACT_CLASS(wxWebView);
+};

 
 

-// FIXME: get those WXDLLIMPEXP_HTML & DECLARE_DYNAMIC_CLASS right...
-class wxWebNavigationEvent : public wxCommandEvent
+class WXDLLIMPEXP_WEB wxWebNavigationEvent : public wxCommandEvent

 {
 public:
     wxWebNavigationEvent() {}
 {
 public:
     wxWebNavigationEvent() {}

-    wxWebNavigationEvent(wxEventType type, int id, const wxString href,
+    wxWebNavigationEvent(wxEventType type, int id, const wxString url,

                          const wxString target, bool canVeto)
         : wxCommandEvent(type, id)
     {
                          const wxString target, bool canVeto)
         : wxCommandEvent(type, id)
     {

-        m_href = href;
+        m_url = url;

         m_target = target;
         m_vetoed = false;
         m_canVeto = canVeto;
         m_target = target;
         m_vetoed = false;
         m_canVeto = canVeto;


@@ -370,7 +362,7 @@ public:
     /**
      *  Get the URL being visited
      */
     /**
      *  Get the URL being visited
      */

-    const wxString& GetHref() const { return m_href; }
+    const wxString& GetURL() const { return m_url; }

 
     /**
      * Get the target (frame or window) in which the URL that caused this event
 
     /**
      * Get the target (frame or window) in which the URL that caused this event


@@ -397,7 +389,7 @@ public:
     void Veto() { wxASSERT(m_canVeto); m_vetoed = true; }
 
 private:
     void Veto() { wxASSERT(m_canVeto); m_vetoed = true; }
 
 private:

-    wxString m_href;
+    wxString m_url;

     wxString m_target;
     bool m_canVeto;
     bool m_vetoed;
     wxString m_target;
     bool m_canVeto;
     bool m_vetoed;


@@ -409,6 +401,8 @@ wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_NAVIGATING, wx
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_NAVIGATED, wxWebNavigationEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_LOADED, wxWebNavigationEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_ERROR, wxWebNavigationEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_NAVIGATED, wxWebNavigationEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_LOADED, wxWebNavigationEvent );
 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_ERROR, wxWebNavigationEvent );

+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_NEWWINDOW, wxWebNavigationEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEB, wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED, wxWebNavigationEvent );

 
 typedef void (wxEvtHandler::*wxWebNavigationEventFunction)
              (wxWebNavigationEvent&);
 
 typedef void (wxEvtHandler::*wxWebNavigationEventFunction)
              (wxWebNavigationEvent&);


@@ -432,6 +426,14 @@ typedef void (wxEvtHandler::*wxWebNavigationEventFunction)
     wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_ERROR, id, \
                      wxHtmlNavigatingEventHandler(fn))
 
     wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_ERROR, id, \
                      wxHtmlNavigatingEventHandler(fn))
 

+#define EVT_WEB_VIEW_NEWWINDOW(id, fn) \
+    wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW, id, \
+                     wxHtmlNavigatingEventHandler(fn))
+
+#define EVT_WEB_VIEW_TITLE_CHANGED(id, fn) \
+    wx__DECLARE_EVT1(wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED, id, \
+                     wxHtmlNavigatingEventHandler(fn))
+

 #endif // wxUSE_WEB
 
 #endif // _WX_WEB_VIEW_H_
 #endif // wxUSE_WEB
 
 #endif // _WX_WEB_VIEW_H_