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#include "checkVersion.h"
#include <wx/protocol/http.h>
#include <wx/sstream.h>
#include "../version/version.h"
#include <wx/msgdlg.h>
#include <wx/utils.h>
#include <wx/timer.h>
#include "../shared/globalFunctions.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(10); //10 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/*checkout*/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;
}
bool newerVersionExists(const wxString& onlineVersion)
{
wxString currentVersionCpy = FreeFileSync::currentVersion;
wxString onlineVersionCpy = onlineVersion;
const wxChar VERSION_SEP = wxT('.');
while ( currentVersionCpy.Find(VERSION_SEP) != wxNOT_FOUND ||
onlineVersionCpy.Find(VERSION_SEP) != wxNOT_FOUND)
{
const int currentMajor = globalFunctions::wxStringToInt(currentVersionCpy.BeforeFirst(VERSION_SEP)); //Returns the whole string if VERSION_SEP is not found.
const int onlineMajor = globalFunctions::wxStringToInt(onlineVersionCpy.BeforeFirst(VERSION_SEP)); //Returns the whole string if VERSION_SEP is not found.
if (currentMajor != onlineMajor)
return currentMajor < onlineMajor;
currentVersionCpy = currentVersionCpy.AfterFirst(VERSION_SEP); //Returns the empty string if VERSION_SEP is not found.
onlineVersionCpy = onlineVersionCpy.AfterFirst(VERSION_SEP); //Returns the empty string if VERSION_SEP is not found.
}
return globalFunctions::wxStringToInt(currentVersionCpy) < globalFunctions::wxStringToInt(onlineVersionCpy);
}
void FreeFileSync::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 FreeFileSync::checkForUpdatePeriodically(long& lastUpdateCheck)
{
if (lastUpdateCheck != -1)
{
if (lastUpdateCheck == 0)
{
const int rv = wxMessageBox(_("Do you want FreeFileSync to automatically check for updates every week?"), _("Information"), wxYES_NO | wxICON_QUESTION);
if (rv == wxYES)
{
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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