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Library/UpdateCheck.cpp
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107
Library/UpdateCheck.cpp
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/*
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Copyright (C) 2004 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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$Header: /home/cvsroot/Rainmeter/Library/UpdateCheck.cpp,v 1.1.1.1 2005/07/10 18:51:06 rainy Exp $
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$Log: UpdateCheck.cpp,v $
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Revision 1.1.1.1 2005/07/10 18:51:06 rainy
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no message
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Revision 1.1 2004/08/13 15:44:02 rainy
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Initial version.
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*/
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#pragma warning(disable: 4786)
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#pragma warning(disable: 4996)
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#include <windows.h>
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#include "Litestep.h"
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#include "Rainmeter.h"
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#include <string>
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#include <Wininet.h>
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#include <process.h>
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void CheckVersion(void* dummy)
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{
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int version = 0;
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HINTERNET hRootHandle = InternetOpen(L"Rainmeter",
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INTERNET_OPEN_TYPE_PRECONFIG,
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NULL,
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NULL,
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0);
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if (hRootHandle == NULL)
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{
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DebugLog(L"CheckUpdate: InternetOpen failed.");
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return;
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}
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HINTERNET hUrlDump = InternetOpenUrl(hRootHandle, L"http://www.ipi.fi/~rainy/Rainmeter/version", NULL, NULL, INTERNET_FLAG_RESYNCHRONIZE, 0);
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if (hUrlDump)
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{
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DWORD dwSize;
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char buffer[16]; // 16 should be enough for the version number
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buffer[0] = 0;
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if (InternetReadFile(hUrlDump, (LPVOID)buffer, 16, &dwSize))
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{
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// Add a null terminator to the end of the buffer (just in case...).
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std::string verStr = buffer;
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size_t pos = verStr.find('.');
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if (pos != std::wstring::npos)
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{
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std::string verStr1 = verStr.substr(pos + 1);
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version = atoi(verStr1.c_str()) * 1000;
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pos = verStr.find('.', pos + 1);
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if (pos != std::wstring::npos)
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{
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std::string verStr1 = verStr.substr(pos + 1);
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version += atoi(verStr1.c_str());
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}
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}
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if (version > RAINMETER_VERSION)
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{
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if (IDYES == MessageBox(NULL, L"A new version of Rainmeter is available at http://www.iki.fi/rainy.\nDo you want to go there now?", APPNAME, MB_YESNO | MB_ICONQUESTION))
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{
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LSExecute(NULL, L"http://www.iki.fi/rainy/Rainmeter.html", SW_SHOWNORMAL);
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}
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}
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else
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{
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DebugLog(L"CheckUpdate: No new version available.");
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}
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}
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else
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{
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DebugLog(L"CheckUpdate: InternetReadFile failed.");
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}
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InternetCloseHandle(hUrlDump);
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}
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else
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{
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DebugLog(L"CheckUpdate: InternetOpenUrl failed.");
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}
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InternetCloseHandle(hRootHandle);
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}
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void CheckUpdate()
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{
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_beginthread(CheckVersion, 0, NULL );
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}
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