diff options
Diffstat (limited to 'ui/check_version.cpp')
| -rw-r--r-- | ui/check_version.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/ui/check_version.cpp b/ui/check_version.cpp new file mode 100644 index 00000000..d9f892d9 --- /dev/null +++ b/ui/check_version.cpp @@ -0,0 +1,174 @@ +// ************************************************************************** +// * 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")); + } + } + } +} + |