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/***************************************************************************
tqslhelp.cpp - description
-------------------
copyright (C) 2013-2016 by ARRL and the TrustedQSL Developers
***************************************************************************/
//Derived from wxWidgets fs_inet.cpp
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if !wxUSE_SOCKETS
#undef wxUSE_FS_INET
#define wxUSE_FS_INET 0
#endif
#if wxUSE_FILESYSTEM && wxUSE_FS_INET
#ifndef WXPRECOMP
#include "wx/module.h"
#endif
#include "wx/wfstream.h"
#include "wx/url.h"
#include "wx/filesys.h"
#include "wx/utils.h"
#include "wx/mstream.h"
#include "tqslhelp.h"
#include "tqsltrace.h"
// ----------------------------------------------------------------------------
// tqslInternetFSHandler
// ----------------------------------------------------------------------------
static wxString StripProtocolAnchor(const wxString& location) {
tqslTrace("StripProtocolAnchor", "location=%s", S(location));
wxString myloc(location.BeforeLast(wxT('#')));
if (myloc.empty())
myloc = location.AfterFirst(wxT(':'));
else
myloc = myloc.AfterFirst(wxT(':'));
// fix malformed url
if (!myloc.Left(2).IsSameAs(wxT("//"))) {
if (myloc.GetChar(0) != wxT('/'))
myloc = wxT("//") + myloc;
else
myloc = wxT("/") + myloc;
}
if (myloc.Mid(2).Find(wxT('/')) == wxNOT_FOUND) myloc << wxT('/');
return myloc;
}
//
// Simple filesystem "handler" that notices full URLs and
// opens them in the user's default browser.
//
// Always returns an error indication so that the help widget doesn't
// think it's actually been handled.
//
bool tqslInternetFSHandler::CanOpen(const wxString& location) {
tqslTrace("tqslInternetFSHandler::CanOpen", "location=%s", S(location));
static wxString lastLocation;
#if wxUSE_URL
wxString p = GetProtocol(location);
if ((p == wxT("http")) || (p == wxT("ftp"))) {
// Keep track of the last location as we get
// repeated attempts to open - only open
// the page once.
if (location != lastLocation) {
wxString right = GetProtocol(location) + wxT(":") +
StripProtocolAnchor(location);
wxLaunchDefaultBrowser(right);
}
lastLocation = location;
}
#endif
return false;
}
wxFSFile* tqslInternetFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) {
return NULL; // We never actually return anything
}
class tqslFileSystemInternetModule : public wxModule {
DECLARE_DYNAMIC_CLASS(tqslFileSystemInternetModule)
public:
tqslFileSystemInternetModule()
: wxModule(), m_handler(NULL) {
}
virtual bool OnInit() {
m_handler = new tqslInternetFSHandler;
wxFileSystem::AddHandler(m_handler);
return true;
}
virtual void OnExit() {
delete wxFileSystem::RemoveHandler(m_handler);
}
private:
wxFileSystemHandler* m_handler;
};
IMPLEMENT_DYNAMIC_CLASS(tqslFileSystemInternetModule, wxModule)
#endif // wxUSE_FILESYSTEM && wxUSE_FS_INET
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