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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2010 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#include "check_version.h"
#include <wx/msgdlg.h>
#include <wx/protocol/http.h>
#include <wx/sstream.h>
#include "../version/version.h"
#include <wx/utils.h>
#include <wx/timer.h>
#include "../shared/global_func.h"
#include "msg_popup.h"
#include "../shared/standard_paths.h"
#include <wx/tokenzr.h>
class CloseConnectionOnExit
{
public:
CloseConnectionOnExit(wxInputStream* httpStream, wxHTTP& webAccess) :
m_httpStream(httpStream),
m_webAccess(webAccess) {}
~CloseConnectionOnExit()
{
delete m_httpStream; //must be deleted BEFORE webAccess is closed
m_webAccess.Close();
}
private:
wxInputStream* m_httpStream;
wxHTTP& m_webAccess;
};
bool getOnlineVersion(wxString& version)
{
wxHTTP webAccess;
wxInputStream* httpStream = NULL;
wxWindowDisabler dummy;
CloseConnectionOnExit dummy2(httpStream, webAccess);
webAccess.SetHeader(wxT("Content-type"), wxT("text/html; charset=utf-8"));
webAccess.SetTimeout(5); //5 seconds of timeout instead of 10 minutes...
if (webAccess.Connect(wxT("freefilesync.cvs.sourceforge.net"))) //only the server, no pages here yet...
{
//wxApp::IsMainLoopRunning(); // should return true
httpStream = webAccess.GetInputStream(wxT("/viewvc/freefilesync/version/version.txt"));
if (httpStream && webAccess.GetError() == wxPROTO_NOERR)
{
wxString newestVersion;
wxStringOutputStream out_stream(&newestVersion);
httpStream->Read(out_stream);
if (!newestVersion.empty())
{
version = newestVersion;
return true;
}
}
}
return false;
}
const wxChar VERSION_SEP = wxT('.');
std::vector<size_t> parseVersion(const wxString& version)
{
std::vector<size_t> output;
wxStringTokenizer tkz(version, VERSION_SEP, wxTOKEN_RET_EMPTY);
while (tkz.HasMoreTokens())
{
const wxString& token = tkz.GetNextToken();
output.push_back(common::stringToNumber<size_t>(token));
}
return output;
}
bool newerVersionExists(const wxString& onlineVersion)
{
std::vector<size_t> current = parseVersion(ffs3::currentVersion);
std::vector<size_t> online = parseVersion(onlineVersion);
if (online.empty() || online[0] == 0) //onlineVersion may be "This website has been moved..." In this case better check for an update
return true;
current.resize(std::max(current.size(), online.size()));
online. resize(std::max(current.size(), online.size()));
typedef std::vector<size_t>::const_iterator VerIter;
const std::pair<VerIter, VerIter> mm = std::mismatch (current.begin(), current.end(),
online.begin());
return mm.first == current.end() ? false : //both versions match
*mm.first < *mm.second;
}
void ffs3::checkForUpdateNow()
{
wxString onlineVersion;
if (!getOnlineVersion(onlineVersion))
{
wxMessageBox(_("Unable to connect to sourceforge.net!"), _("Error"), wxOK | wxICON_ERROR);
return;
}
if (newerVersionExists(onlineVersion))
{
const int rv = wxMessageBox(wxString(_("A newer version of FreeFileSync is available:")) + wxT(" v") + onlineVersion + wxT(". ") + _("Download now?"), _("Information"), wxYES_NO | wxICON_QUESTION);
if (rv == wxYES)
wxLaunchDefaultBrowser(wxT("http://sourceforge.net/project/showfiles.php?group_id=234430"));
}
else
wxMessageBox(_("FreeFileSync is up to date!"), _("Information"), wxICON_INFORMATION);
}
void ffs3::checkForUpdatePeriodically(long& lastUpdateCheck)
{
#ifdef FFS_LINUX
if (!ffs3::isPortableVersion()) //don't check for updates in installer version -> else: handled by .deb
return;
#endif
if (lastUpdateCheck != -1)
{
if (lastUpdateCheck == 0)
{
QuestionDlg* const messageDlg = new QuestionDlg(NULL,
QuestionDlg::BUTTON_YES | QuestionDlg::BUTTON_CANCEL,
wxString(_("Do you want FreeFileSync to automatically check for updates every week?")) + wxT("\n") +
_("(Requires an Internet connection!)"));
const bool checkRegularly = messageDlg->ShowModal() == QuestionDlg::BUTTON_YES;
messageDlg->Destroy();
if (checkRegularly)
{
lastUpdateCheck = 123; //some old date (few seconds after 1970)
checkForUpdatePeriodically(lastUpdateCheck); //check for updates now
}
else
lastUpdateCheck = -1; //don't check for updates anymore
}
else if (wxGetLocalTime() >= lastUpdateCheck + 7 * 24 * 3600) //check weekly
{
wxString onlineVersion;
if (!getOnlineVersion(onlineVersion))
return; //do not handle error
lastUpdateCheck = wxGetLocalTime();
if (newerVersionExists(onlineVersion))
{
const int rv = wxMessageBox(wxString(_("A newer version of FreeFileSync is available:")) + wxT(" v") + onlineVersion + wxT(". ") + _("Download now?"), _("Information"), wxYES_NO | wxICON_QUESTION);
if (rv == wxYES)
wxLaunchDefaultBrowser(wxT("http://sourceforge.net/project/showfiles.php?group_id=234430"));
}
}
}
}
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