510 lines
10 KiB
C++
510 lines
10 KiB
C++
/*
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* This file is a part of TTCalc - a mathematical calculator
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* and is distributed under the (new) BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2006-2009, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "compileconfig.h"
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#include <cstdlib>
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#include <shlobj.h>
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#include "update.h"
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#include "programresources.h"
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#include "messages.h"
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#include "resource.h"
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#include "winmain.h"
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namespace Update
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{
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bool continue_download;
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int level;
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std::string url;
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std::string remote_file_name;
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std::string local_file_name;
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int major;
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int minor;
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int revision;
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}
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/*
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*/
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DownloadIni::DownloadIni()
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{
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file = 0;
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file_name = new char[MAX_PATH];
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file_name[0] = 0;
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}
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DownloadIni::~DownloadIni()
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{
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if( file )
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fclose(file);
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DeleteTmpFile();
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delete [] file_name;
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}
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void DownloadIni::DeleteTmpFile()
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{
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if( file_name[0] != 0 )
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DeleteFile(file_name);
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}
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const char * DownloadIni::GetFileName()
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{
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return file_name;
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}
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FILE * DownloadIni::CreateTmpFile()
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{
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char buf[MAX_PATH];
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file = 0;
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file_name[0] = 0;
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if( !GetTempPath(MAX_PATH, buf) )
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return 0;
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if( !GetTempFileName(buf, "ttcalc_", 0, file_name) )
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{
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file_name[0] = 0;
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return 0;
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}
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file = fopen(file_name, "wb");
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return file;
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}
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void DownloadIni::GetLen(HINTERNET conn)
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{
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char buf[100];
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DWORD buf_len = sizeof(buf);
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DWORD index = 0;
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if( HttpQueryInfo(conn, HTTP_QUERY_CONTENT_LENGTH, buf, &buf_len, &index) )
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all_len = atoi(buf);
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else
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all_len = 0;
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}
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bool DownloadIni::Init()
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{
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if( !CreateTmpFile() )
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return false;
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Update::continue_download = true;
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return true;
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}
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bool DownloadIni::Read(char * buffer, size_t size)
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{
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if( !file )
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return false;
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fwrite(buffer, size, 1, file);
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CheckMessages();
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return Update::continue_download;
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}
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void DownloadIni::Close()
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{
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if( file )
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fclose(file);
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file = 0;
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}
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/*
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*/
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void DownloadProgram::GetLen(HINTERNET conn)
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{
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char buf[100];
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DWORD buf_len = sizeof(buf);
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DWORD index = 0;
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if( HttpQueryInfo(conn, HTTP_QUERY_CONTENT_LENGTH, buf, &buf_len, &index) )
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all_len = atoi(buf);
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else
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all_len = 0;
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}
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bool DownloadProgram::Init()
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{
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file.open(Update::local_file_name.c_str(), std::ios_base::out | std::ios_base::binary);
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Update::continue_download = true;
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if( !file )
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return false;
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return true;
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}
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bool DownloadProgram::Read(char * buffer, size_t size)
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{
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file.write(buffer, size);
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CheckMessages();
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return Update::continue_download;
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}
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void DownloadProgram::Close()
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{
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file.close();
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}
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namespace Update
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{
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/*
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*/
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bool CheckUpdateFromIni(HWND hwnd)
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{
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DownloadIni down_ini;
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down_ini.AttachProgress(GetDlgItem(hwnd, IDC_PROGRESS));
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if( down_ini.DownloadUrl("http://ttcalc.sourceforge.net/ttcalc_update.ini") )
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{
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IniParser iparser;
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std::string ini_value[3];
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iparser.SectionCaseSensitive(false);
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#ifndef TTCALC_PORTABLE
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iparser.Associate("normal|url", &url );
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iparser.Associate("normal|filename", &remote_file_name );
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iparser.Associate("normal|version.major", &ini_value[0] );
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iparser.Associate("normal|version.minor", &ini_value[1] );
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iparser.Associate("normal|version.revision", &ini_value[2] );
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#else
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iparser.Associate("portable|url", &url );
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iparser.Associate("portable|filename", &remote_file_name );
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iparser.Associate("portable|version.major", &ini_value[0] );
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iparser.Associate("portable|version.minor", &ini_value[1] );
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iparser.Associate("portable|version.revision", &ini_value[2] );
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#endif
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IniParser::Error err = iparser.ReadFromFile( down_ini.GetFileName() );
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if( err == IniParser::err_ok )
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{
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major = atoi(ini_value[0].c_str());
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minor = atoi(ini_value[1].c_str());
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revision = atoi(ini_value[2].c_str());
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if( major > TTCALC_MAJOR_VER )
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return true;
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else
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if( major == TTCALC_MAJOR_VER && minor > TTCALC_MINOR_VER )
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return true;
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else
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if( major == TTCALC_MAJOR_VER && minor == TTCALC_MINOR_VER && revision > TTCALC_REVISION_VER )
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return true;
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}
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}
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return false;
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}
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void CheckUpdate(HWND hwnd)
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{
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char buffer[200];
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level = -1; // nothing to do when Next is pressed
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EnableWindow(GetDlgItem(hwnd, IDC_BUTTON_NEXT), false);
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EnableWindow(GetDlgItem(hwnd, IDC_UPDATE_INFO1), false);
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ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS), SW_SHOW);
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CheckMessages();
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if( CheckUpdateFromIni(hwnd) )
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{
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level = 1;
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sprintf(buffer, "Version %d.%d.%d is available, press Next to download...", major, minor, revision);
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, buffer);
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}
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else
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{
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level = 100;
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, "There is not a new version available.");
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SetDlgItemText(hwnd, IDC_BUTTON_NEXT, "Finish");
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ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS), SW_HIDE);
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EnableWindow(GetDlgItem(hwnd, IDC_BUTTON_CANCEL), false);
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}
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EnableWindow(GetDlgItem(hwnd, IDC_BUTTON_NEXT), true);
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EnableWindow(GetDlgItem(hwnd, IDC_UPDATE_INFO1), true);
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ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS), SW_HIDE);
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SetFocus(GetDlgItem(hwnd, IDC_BUTTON_NEXT));
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}
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bool SaveDialog(HWND hwnd)
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{
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OPENFILENAME o;
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char buf[MAX_PATH], desktop[MAX_PATH];
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if( !remote_file_name.empty() )
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sprintf(buf, remote_file_name.c_str());
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else
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{
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#ifndef TTCALC_PORTABLE
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sprintf(buf, "ttcalc-%d.%d.%d-setup.exe", major, minor, revision);
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#else
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sprintf(buf, "ttcalc-portable-%d.%d.%d-bin.tar.gz", major, minor, revision);
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#endif
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}
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if( !SHGetSpecialFolderPath(hwnd, desktop, CSIDL_DESKTOPDIRECTORY, 0) )
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desktop[0] = 0;
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o.lStructSize = sizeof(o);
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o.hwndOwner = hwnd;
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o.hInstance = GetPrgRes()->GetInstance();
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o.lpstrFilter = "*.*\0*.*\0";
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o.lpstrCustomFilter = 0;
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o.nMaxCustFilter = 0;
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o.nFilterIndex = 1;
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o.lpstrFile = buf;
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o.nMaxFile = MAX_PATH;
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o.lpstrFileTitle = 0;
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o.nMaxFileTitle = 0;
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o.lpstrInitialDir = (desktop[0]) ? desktop : 0;
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o.lpstrTitle = 0;
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o.Flags = OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST;
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o.nFileOffset = 0;
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o.nFileExtension = 0;
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o.lpstrDefExt = 0;
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o.lCustData = 0;
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o.lpfnHook = 0;
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o.lpTemplateName = 0;
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if( GetSaveFileName(&o) )
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{
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local_file_name = buf;
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return true;
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}
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return false;
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}
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bool DownloadUpdate(HWND hwnd)
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{
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DownloadProgram down;
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level = -1; // nothing to do when Next is pressed
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EnableWindow(GetDlgItem(hwnd, IDC_BUTTON_NEXT), false);
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if( SaveDialog(hwnd) )
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{
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, "Downloading from:");
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SetDlgItemText(hwnd, IDC_UPDATE_INFO2, url.c_str());
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ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS), SW_SHOW);
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down.AttachProgress(GetDlgItem(hwnd, IDC_PROGRESS));
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CheckMessages();
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if( down.DownloadUrl( url.c_str()) )
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{
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#ifndef TTCALC_PORTABLE
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level = 2;
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, "A new setup program has been downloaded.");
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SetDlgItemText(hwnd, IDC_UPDATE_INFO2, "Press Finish to close TTCalc and run the installer.");
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#else
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level = 100;
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, "A new version of TTCalc has been downloaded");
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SetDlgItemText(hwnd, IDC_UPDATE_INFO2, "");
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EnableWindow(GetDlgItem(hwnd, IDC_BUTTON_CANCEL), false);
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#endif
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}
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else
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{
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level = 100;
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DeleteFile(local_file_name.c_str());
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, "There was a problem with downloading, please try again later");
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SetDlgItemText(hwnd, IDC_UPDATE_INFO2, "");
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}
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ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS), SW_HIDE);
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SetDlgItemText(hwnd, IDC_BUTTON_NEXT, "Finish");
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}
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else
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{
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level = 100;
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EndDialog(hwnd, 0);
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}
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EnableWindow(GetDlgItem(hwnd, IDC_BUTTON_NEXT), true);
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SetFocus(GetDlgItem(hwnd, IDC_BUTTON_NEXT));
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return false;
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}
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BOOL UpdateInit(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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SetDlgItemText(hwnd, IDC_UPDATE_INFO1, "Press Next to check for the update...");
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SetDlgItemText(hwnd, IDC_UPDATE_INFO2, "");
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SetDlgItemText(hwnd, IDC_BUTTON_NEXT, "Next");
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SetDlgItemText(hwnd, IDC_BUTTON_CANCEL, "Cancel");
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ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS), SW_HIDE);
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return true;
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}
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BOOL UpdateCommand(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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if( LOWORD(wParam)==IDCANCEL || LOWORD(wParam)==IDC_BUTTON_CANCEL )
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{
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continue_download = false;
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EndDialog(hwnd, 0);
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return 0;
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}
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if( LOWORD(wParam) == IDC_BUTTON_NEXT )
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{
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switch(level)
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{
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case 0:
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CheckUpdate(hwnd);
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break;
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case 1:
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DownloadUpdate(hwnd);
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break;
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case 2:
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ShellExecute(0, "open", local_file_name.c_str(), "", "", SW_SHOWNORMAL);
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EndDialog(hwnd, 0);
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PostQuitMessage(0);
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break;
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case 100:
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EndDialog(hwnd, 0);
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break;
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}
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return 0;
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}
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return 1;
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}
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void CreateUpdateMessagesTable(Messages<BOOL> & messages)
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{
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messages.Associate(WM_INITDIALOG, UpdateInit);
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messages.Associate(WM_COMMAND, UpdateCommand);
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}
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BOOL CALLBACK UpdateProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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static Messages<BOOL> messages;
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if( messages.Empty() )
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// initiation
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CreateUpdateMessagesTable(messages);
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return messages.Call(msg, hwnd, msg, wParam, lParam);
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}
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} // namespace
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void ShowUpdateDialog(HWND hwnd)
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{
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using namespace Update;
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level = 0;
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local_file_name.clear();
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remote_file_name.clear();
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url.clear();
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DialogBox(GetPrgRes()->GetInstance(), MAKEINTRESOURCE(IDD_UPDATE_DIALOG), hwnd, UpdateProc);
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}
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