Add generic wxFileSystem support to wxWebView using wxWebViewFSHandler.

Closes #14623.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72461 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/webviewfshandler.h

@@ -0,0 +1,32 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        webviewfshandler.h
+// Purpose:     interface of wxWebViewFSHandler
+// Author:      wxWidgets team
+// RCS-ID:      $Id$
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+/**
+    @class wxWebViewFSHandler
+
+    A wxWebView file system handler to support standard wxFileSystem protocols
+    of the form <code> example:page.htm </code> The handler allows wxWebView to
+    use wxFileSystem in a similar fashion to its use with wxHtml.
+
+    The wxMemoryFSHandler documentation gives an example of how it may be used.
+
+    @since 2.9.5
+    @library{wxwebview}
+    @category{webview}
+
+    @see wxWebView, wxWebViewHandler, wxWebViewArchiveHandler
+ */
+class wxWebViewFSHandler : public wxWebViewHandler
+{
+public:
+    /**
+        Constructor.
+    */
+    wxWebViewFSHandler(const wxString& scheme);
+    virtual wxFSFile* GetFile(const wxString &uri);
+};