rainmeter-studio/Library/UpdateCheck.cpp

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2009-02-10 18:37:48 +00:00
/*
Copyright (C) 2004 Kimmo Pekkola
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#pragma warning(disable: 4786)
#pragma warning(disable: 4996)
#include <windows.h>
#include "Litestep.h"
#include "Rainmeter.h"
#include <string>
#include <Wininet.h>
#include <process.h>
void CheckVersion(void* dummy)
{
int version = 0;
HINTERNET hRootHandle = InternetOpen(L"Rainmeter",
INTERNET_OPEN_TYPE_PRECONFIG,
NULL,
NULL,
0);
if (hRootHandle == NULL)
{
DebugLog(L"CheckUpdate: InternetOpen failed.");
return;
}
HINTERNET hUrlDump = InternetOpenUrl(hRootHandle, L"http://rainmeter.googlecode.com/svn/version", NULL, NULL, INTERNET_FLAG_RESYNCHRONIZE, 0);
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if (hUrlDump)
{
DWORD dwSize;
char buffer[16] = {0}; // 16 should be enough for the version number
if (InternetReadFile(hUrlDump, (LPVOID)buffer, 15, &dwSize))
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{
std::string verStr = buffer;
size_t pos = verStr.find('.');
if (pos != std::wstring::npos)
{
std::string verStr1 = verStr.substr(pos + 1);
version = atoi(verStr1.c_str()) * 1000;
pos = verStr.find('.', pos + 1);
if (pos != std::wstring::npos)
{
std::string verStr1 = verStr.substr(pos + 1);
version += atoi(verStr1.c_str());
}
}
if (version > RAINMETER_VERSION)
{
if (IDYES == MessageBox(NULL, L"A new version of Rainmeter is available.\nDo you want to open the web page now?", APPNAME, MB_YESNO | MB_ICONQUESTION))
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{
LSExecute(NULL, L"http://code.google.com/p/rainmeter/", SW_SHOWNORMAL);
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}
}
else
{
DebugLog(L"CheckUpdate: No new version available.");
}
}
else
{
DebugLog(L"CheckUpdate: InternetReadFile failed.");
}
InternetCloseHandle(hUrlDump);
}
else
{
DebugLog(L"CheckUpdate: InternetOpenUrl failed.");
}
InternetCloseHandle(hRootHandle);
}
void CheckUpdate()
{
_beginthread(CheckVersion, 0, NULL );
}