src/TortoiseProc/CheckForUpdatesDlg.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2003-2008 - TortoiseSVN
   4 // Copyright (C) 2008-2014 - TortoiseGit
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "TortoiseProc.h"
  22 #include "LoglistCommonResource.h"
  23 #include "..\version.h"
  24 #include "MessageBox.h"
  25 #include "CheckForUpdatesDlg.h"
  26 #include "registry.h"
  27 #include "AppUtils.h"
  28 #include "TempFile.h"
  29 #include "SmartHandle.h"
  30 #include "SysInfo.h"
  31 #include "PathUtils.h"
  32 #include "DirFileEnum.h"
  33 #include "UnicodeUtils.h"
  34 #include "UpdateCrypto.h"
  35 #include "Win7.h"
  36
  37 #define SIGNATURE_FILE_ENDING _T(".asc")
  38
  39 #define WM_USER_DISPLAYSTATUS   (WM_USER + 1)
  40 #define WM_USER_ENDDOWNLOAD             (WM_USER + 2)
  41 #define WM_USER_FILLCHANGELOG   (WM_USER + 3)
  42
  43 IMPLEMENT_DYNAMIC(CCheckForUpdatesDlg, CStandAloneDialog)
  44 CCheckForUpdatesDlg::CCheckForUpdatesDlg(CWnd* pParent /*=NULL*/)
  45         : CStandAloneDialog(CCheckForUpdatesDlg::IDD, pParent)
  46         , m_bShowInfo(FALSE)
  47         , m_bForce(FALSE)
  48         , m_bVisible(FALSE)
  49         , m_pDownloadThread(NULL)
  50         , m_bThreadRunning(FALSE)
  51         , m_updateDownloader(nullptr)
  52 {
  53         m_sUpdateDownloadLink = _T("http://redir.tortoisegit.org/download");
  54 }
  55
  56 CCheckForUpdatesDlg::~CCheckForUpdatesDlg()
  57 {
  58 }
  59
  60 void CCheckForUpdatesDlg::DoDataExchange(CDataExchange* pDX)
  61 {
  62         CStandAloneDialog::DoDataExchange(pDX);
  63         DDX_Control(pDX, IDC_LINK, m_link);
  64         DDX_Control(pDX, IDC_PROGRESSBAR, m_progress);
  65         DDX_Control(pDX, IDC_LIST_DOWNLOADS, m_ctrlFiles);
  66         DDX_Control(pDX, IDC_BUTTON_UPDATE, m_ctrlUpdate);
  67         DDX_Control(pDX, IDC_LOGMESSAGE, m_cLogMessage);
  68 }
  69
  70 BEGIN_MESSAGE_MAP(CCheckForUpdatesDlg, CStandAloneDialog)
  71         ON_WM_TIMER()
  72         ON_WM_WINDOWPOSCHANGING()
  73         ON_WM_SETCURSOR()
  74         ON_WM_DESTROY()
  75         ON_BN_CLICKED(IDC_BUTTON_UPDATE, OnBnClickedButtonUpdate)
  76         ON_MESSAGE(WM_USER_DISPLAYSTATUS, OnDisplayStatus)
  77         ON_MESSAGE(WM_USER_ENDDOWNLOAD, OnEndDownload)
  78         ON_MESSAGE(WM_USER_FILLCHANGELOG, OnFillChangelog)
  79         ON_REGISTERED_MESSAGE(WM_TASKBARBTNCREATED, OnTaskbarBtnCreated)
  80 END_MESSAGE_MAP()
  81
  82 BOOL CCheckForUpdatesDlg::OnInitDialog()
  83 {
  84         CStandAloneDialog::OnInitDialog();
  85         CAppUtils::MarkWindowAsUnpinnable(m_hWnd);
  86
  87         CString temp;
  88         temp.Format(IDS_CHECKNEWER_YOURVERSION, TGIT_VERMAJOR, TGIT_VERMINOR, TGIT_VERMICRO, TGIT_VERBUILD);
  89         SetDlgItemText(IDC_YOURVERSION, temp);
  90
  91         DialogEnableWindow(IDOK, FALSE);
  92
  93         m_pTaskbarList.Release();
  94         if (FAILED(m_pTaskbarList.CoCreateInstance(CLSID_TaskbarList)))
  95                 m_pTaskbarList = nullptr;
  96
  97         // hide download controls
  98         m_ctrlFiles.ShowWindow(SW_HIDE);
  99         GetDlgItem(IDC_GROUP_DOWNLOADS)->ShowWindow(SW_HIDE);
 100         RECT rectWindow, rectGroupDownloads, rectOKButton;
 101         GetWindowRect(&rectWindow);
 102         GetDlgItem(IDC_GROUP_DOWNLOADS)->GetWindowRect(&rectGroupDownloads);
 103         GetDlgItem(IDOK)->GetWindowRect(&rectOKButton);
 104         LONG bottomDistance = rectWindow.bottom - rectOKButton.bottom;
 105         OffsetRect(&rectOKButton, 0, rectGroupDownloads.top - rectOKButton.top);
 106         rectWindow.bottom = rectOKButton.bottom + bottomDistance;
 107         MoveWindow(&rectWindow);
 108         ::MapWindowPoints(NULL, GetSafeHwnd(), (LPPOINT)&rectOKButton, 2);
 109         GetDlgItem(IDOK)->MoveWindow(&rectOKButton);
 110
 111         temp.LoadString(IDS_STATUSLIST_COLFILE);
 112         m_ctrlFiles.InsertColumn(0, temp, 0, -1);
 113         m_ctrlFiles.InsertColumn(1, temp, 0, -1);
 114         m_ctrlFiles.SetExtendedStyle(LVS_EX_DOUBLEBUFFER | LVS_EX_CHECKBOXES);
 115         m_ctrlFiles.SetColumnWidth(0, 350);
 116         m_ctrlFiles.SetColumnWidth(1, 200);
 117
 118         ProjectProperties pp;
 119         pp.SetCheckRe(_T("[Ii]ssues?:?(\\s*(,|and)?\\s*#?\\d+)+"));
 120         pp.SetBugIDRe(_T("(\\d+)"));
 121         pp.lProjectLanguage = -1;
 122         pp.sUrl = _T("http://code.google.com/p/tortoisegit/issues/detail?id=%BUGID%");
 123         m_cLogMessage.Init(pp);
 124         m_cLogMessage.SetFont((CString)CRegString(_T("Software\\TortoiseGit\\LogFontName"), _T("Courier New")), (DWORD)CRegDWORD(_T("Software\\TortoiseGit\\LogFontSize"), 8));
 125         m_cLogMessage.Call(SCI_SETREADONLY, TRUE);
 126
 127         m_updateDownloader = new CUpdateDownloader(GetSafeHwnd(), m_bForce == TRUE, WM_USER_DISPLAYSTATUS, &m_eventStop);
 128
 129         if (AfxBeginThread(CheckThreadEntry, this)==NULL)
 130         {
 131                 CMessageBox::Show(NULL, IDS_ERR_THREADSTARTFAILED, IDS_APPNAME, MB_OK | MB_ICONERROR);
 132         }
 133
 134         SetTimer(100, 1000, NULL);
 135         return TRUE;
 136 }
 137
 138 void CCheckForUpdatesDlg::OnDestroy()
 139 {
 140         for (int i = 0; i < m_ctrlFiles.GetItemCount(); ++i)
 141                 delete (CUpdateListCtrl::Entry *)m_ctrlFiles.GetItemData(i);
 142
 143         if (m_updateDownloader)
 144                 delete m_updateDownloader;
 145
 146         CStandAloneDialog::OnDestroy();
 147 }
 148
 149 void CCheckForUpdatesDlg::OnOK()
 150 {
 151         if (m_bThreadRunning || m_pDownloadThread != NULL)
 152                 return; // Don't exit while downloading
 153
 154         CStandAloneDialog::OnOK();
 155 }
 156
 157 void CCheckForUpdatesDlg::OnCancel()
 158 {
 159         if (m_bThreadRunning || m_pDownloadThread != NULL)
 160                 return; // Don't exit while downloading
 161         CStandAloneDialog::OnCancel();
 162 }
 163
 164 UINT CCheckForUpdatesDlg::CheckThreadEntry(LPVOID pVoid)
 165 {
 166         return ((CCheckForUpdatesDlg*)pVoid)->CheckThread();
 167 }
 168
 169 UINT CCheckForUpdatesDlg::CheckThread()
 170 {
 171         m_bThreadRunning = TRUE;
 172
 173         CString temp;
 174         CString tempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 175
 176         bool official = false;
 177
 178         CRegString checkurluser = CRegString(_T("Software\\TortoiseGit\\UpdateCheckURL"), _T(""));
 179         CRegString checkurlmachine = CRegString(_T("Software\\TortoiseGit\\UpdateCheckURL"), _T(""), FALSE, HKEY_LOCAL_MACHINE);
 180         CString sCheckURL = checkurluser;
 181         if (sCheckURL.IsEmpty())
 182         {
 183                 sCheckURL = checkurlmachine;
 184                 if (sCheckURL.IsEmpty())
 185                 {
 186                         official = true;
 187                         bool checkPreview = false;
 188 #if PREVIEW
 189                         checkPreview = true;
 190 #else
 191                         CRegStdDWORD regCheckPreview(L"Software\\TortoiseGit\\VersionCheckPreview", FALSE);
 192                         if (DWORD(regCheckPreview))
 193                                 checkPreview = true;
 194 #endif
 195                         if (checkPreview)
 196                         {
 197                                 sCheckURL = _T("http://version.tortoisegit.googlecode.com/git/version-preview.txt");
 198                                 SetDlgItemText(IDC_SOURCE, _T("Using preview release channel"));
 199                         }
 200                         else
 201                                 sCheckURL = _T("http://version.tortoisegit.googlecode.com/git/version.txt");
 202                 }
 203         }
 204
 205         if (!official)
 206                 SetDlgItemText(IDC_SOURCE, _T("Using (unofficial) release channel: ") + sCheckURL);
 207
 208         CString errorText;
 209         BOOL ret = m_updateDownloader->DownloadFile(sCheckURL, tempfile, false);
 210         if (!ret && official)
 211         {
 212                 CString signatureTempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 213                 ret = m_updateDownloader->DownloadFile(sCheckURL + SIGNATURE_FILE_ENDING, signatureTempfile, false);
 214                 if (!ret && VerifyIntegrity(tempfile, signatureTempfile, m_updateDownloader))
 215                 {
 216                         SetDlgItemText(IDC_CHECKRESULT, _T("Could not verify digital signature."));
 217                         DeleteUrlCacheEntry(sCheckURL);
 218                         DeleteUrlCacheEntry(sCheckURL + SIGNATURE_FILE_ENDING);
 219                         goto finish;
 220                 }
 221         }
 222         else if (ret)
 223         {
 224                 DeleteUrlCacheEntry(sCheckURL);
 225                 if (CRegDWORD(_T("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\GlobalUserOffline"), 0))
 226                         errorText.LoadString(IDS_OFFLINEMODE); // offline mode enabled
 227                 else
 228                         errorText.Format(IDS_CHECKNEWER_NETERROR_FORMAT, ret);
 229         }
 230         if (!ret)
 231         {
 232                 try
 233                 {
 234                         CStdioFile file(tempfile, CFile::modeRead | CFile::shareDenyWrite);
 235                         CString ver;
 236                         unsigned int major,minor,micro,build;
 237                         major=minor=micro=build=0;
 238                         unsigned __int64 version=0;
 239
 240                         if (file.ReadString(ver))
 241                         {
 242                                 CString vertemp = ver;
 243                                 // another versionstring for the filename can be provided after a semicolon
 244                                 // this is needed for preview releases
 245                                 int differentFilenamePos = vertemp.Find(_T(";"));
 246                                 if (differentFilenamePos > 0)
 247                                 {
 248                                         vertemp = vertemp.Left(differentFilenamePos);
 249                                         ver = ver.Mid(differentFilenamePos + 1);
 250                                 }
 251
 252                                 major = _ttoi(vertemp);
 253                                 vertemp = vertemp.Mid(vertemp.Find('.')+1);
 254                                 minor = _ttoi(vertemp);
 255                                 vertemp = vertemp.Mid(vertemp.Find('.')+1);
 256                                 micro = _ttoi(vertemp);
 257                                 vertemp = vertemp.Mid(vertemp.Find('.')+1);
 258                                 build = _ttoi(vertemp);
 259                                 version = major;
 260                                 version <<= 16;
 261                                 version += minor;
 262                                 version <<= 16;
 263                                 version += micro;
 264                                 version <<= 16;
 265                                 version += build;
 266                         }
 267
 268                         {
 269                                 BOOL bNewer = FALSE;
 270                                 if (m_bForce)
 271                                         bNewer = TRUE;
 272                                 if (major > TGIT_VERMAJOR)
 273                                         bNewer = TRUE;
 274                                 else if ((minor > TGIT_VERMINOR)&&(major == TGIT_VERMAJOR))
 275                                         bNewer = TRUE;
 276                                 else if ((micro > TGIT_VERMICRO)&&(minor == TGIT_VERMINOR)&&(major == TGIT_VERMAJOR))
 277                                         bNewer = TRUE;
 278                                 else if ((build > TGIT_VERBUILD)&&(micro == TGIT_VERMICRO)&&(minor == TGIT_VERMINOR)&&(major == TGIT_VERMAJOR))
 279                                         bNewer = TRUE;
 280
 281                                 if (version != 0)
 282                                 {
 283                                         CString version;
 284                                         version.Format(_T("%u.%u.%u.%u"),major,minor,micro,build);
 285                                         if (version != ver)
 286                                                 version += _T(" (") + ver + _T(")");
 287                                         temp.Format(IDS_CHECKNEWER_CURRENTVERSION, (LPCTSTR)version);
 288                                         SetDlgItemText(IDC_CURRENTVERSION, temp);
 289                                 }
 290
 291                                 if (version == 0)
 292                                 {
 293                                         temp.LoadString(IDS_CHECKNEWER_NETERROR);
 294                                         SetDlgItemText(IDC_CHECKRESULT, temp);
 295                                 }
 296                                 else if (bNewer)
 297                                 {
 298                                         if(file.ReadString(temp) && !temp.IsEmpty())
 299                                         {       // Read the next line, it could contain a message for the user
 300                                                 CString tempLink;
 301                                                 if(file.ReadString(tempLink) && !tempLink.IsEmpty())
 302                                                 {       // Read another line to find out the download link-URL, if any
 303                                                         m_sUpdateDownloadLink = tempLink;
 304                                                 }
 305                                         }
 306                                         else
 307                                         {
 308                                                 temp.LoadString(IDS_CHECKNEWER_NEWERVERSIONAVAILABLE);
 309                                                 CString tempLink;
 310                                                 file.ReadString(tempLink);
 311                                         }
 312                                         SetDlgItemText(IDC_CHECKRESULT, temp);
 313                                         m_bShowInfo = TRUE;
 314
 315                                         FillChangelog(file);
 316                                         FillDownloads(file, ver);
 317
 318                                         // Show download controls
 319                                         RECT rectWindow, rectProgress, rectGroupDownloads, rectOKButton;
 320                                         GetWindowRect(&rectWindow);
 321                                         m_progress.GetWindowRect(&rectProgress);
 322                                         GetDlgItem(IDC_GROUP_DOWNLOADS)->GetWindowRect(&rectGroupDownloads);
 323                                         GetDlgItem(IDOK)->GetWindowRect(&rectOKButton);
 324                                         LONG bottomDistance = rectWindow.bottom - rectOKButton.bottom;
 325                                         OffsetRect(&rectOKButton, 0, (rectGroupDownloads.bottom + (rectGroupDownloads.bottom - rectProgress.bottom)) - rectOKButton.top);
 326                                         rectWindow.bottom = rectOKButton.bottom + bottomDistance;
 327                                         MoveWindow(&rectWindow);
 328                                         ::MapWindowPoints(NULL, GetSafeHwnd(), (LPPOINT)&rectOKButton, 2);
 329                                         GetDlgItem(IDOK)->MoveWindow(&rectOKButton);
 330                                         m_ctrlFiles.ShowWindow(SW_SHOW);
 331                                         GetDlgItem(IDC_GROUP_DOWNLOADS)->ShowWindow(SW_SHOW);
 332                                         CenterWindow();
 333                                 }
 334                                 else
 335                                 {
 336                                         temp.LoadString(IDS_CHECKNEWER_YOURUPTODATE);
 337                                         SetDlgItemText(IDC_CHECKRESULT, temp);
 338                                         file.ReadString(temp);
 339                                         file.ReadString(temp);
 340                                         FillChangelog(file);
 341                                 }
 342                         }
 343                 }
 344                 catch (CException * e)
 345                 {
 346                         e->Delete();
 347                         temp.LoadString(IDS_CHECKNEWER_NETERROR);
 348                         SetDlgItemText(IDC_CHECKRESULT, temp);
 349                 }
 350         }
 351         else
 352         {
 353                 SetDlgItemText(IDC_CHECKRESULT, errorText);
 354         }
 355         if (!m_sUpdateDownloadLink.IsEmpty())
 356         {
 357                 m_link.ShowWindow(SW_SHOW);
 358                 m_link.SetURL(m_sUpdateDownloadLink);
 359         }
 360
 361 finish:
 362         m_bThreadRunning = FALSE;
 363         DialogEnableWindow(IDOK, TRUE);
 364         return 0;
 365 }
 366
 367 void CCheckForUpdatesDlg::FillDownloads(CStdioFile &file, CString version)
 368 {
 369 #if WIN64
 370         const CString x86x64 = _T("64");
 371 #else
 372         const CString x86x64 = _T("32");
 373 #endif
 374
 375         if (!file.ReadString(m_sFilesURL) || m_sFilesURL.IsEmpty())
 376                 m_sFilesURL.Format(_T("http://updater.download.tortoisegit.org/tgit/%s/"), version);
 377
 378         m_ctrlFiles.InsertItem(0, _T("TortoiseGit"));
 379         CString filename;
 380         filename.Format(_T("TortoiseGit-%s-%sbit.msi"), version, x86x64);
 381         m_ctrlFiles.SetItemData(0, (DWORD_PTR)(new CUpdateListCtrl::Entry(filename, CUpdateListCtrl::STATUS_NONE)));
 382         m_ctrlFiles.SetCheck(0 , TRUE);
 383
 384         std::vector<DWORD> m_installedLangs;
 385         {
 386                 // set up the language selecting combobox
 387                 CString path = CPathUtils::GetAppParentDirectory();
 388                 path = path + _T("Languages\\");
 389                 CSimpleFileFind finder(path, _T("*.dll"));
 390                 while (finder.FindNextFileNoDirectories())
 391                 {
 392                         CString file = finder.GetFilePath();
 393                         CString filename = finder.GetFileName();
 394                         if (filename.Left(12).CompareNoCase(_T("TortoiseProc")) == 0)
 395                         {
 396                                 CString sVer = _T(STRPRODUCTVER);
 397                                 sVer = sVer.Left(sVer.ReverseFind('.'));
 398                                 CString sFileVer = CPathUtils::GetVersionFromFile(file);
 399                                 sFileVer = sFileVer.Left(sFileVer.ReverseFind('.'));
 400                                 CString sLoc = filename.Mid(12);
 401                                 sLoc = sLoc.Left(sLoc.GetLength() - 4); // cut off ".dll"
 402                                 if ((sLoc.Left(2) == L"32") && (sLoc.GetLength() > 5))
 403                                         continue;
 404                                 DWORD loc = _tstoi(filename.Mid(12));
 405                                 m_installedLangs.push_back(loc);
 406                         }
 407                 }
 408         }
 409
 410         CString langs;
 411         while (file.ReadString(langs) && !langs.IsEmpty())
 412         {
 413                 CString sLang = _T("TortoiseGit Language Pack ") + langs.Mid(5);
 414
 415                 DWORD loc = _tstoi(langs.Mid(0, 4));
 416                 TCHAR buf[MAX_PATH] = {0};
 417                 GetLocaleInfo(loc, LOCALE_SNATIVELANGNAME, buf, _countof(buf));
 418                 CString sLang2(buf);
 419                 GetLocaleInfo(loc, LOCALE_SNATIVECTRYNAME, buf, _countof(buf));
 420                 if (buf[0])
 421                 {
 422                         sLang2 += _T(" (");
 423                         sLang2 += buf;
 424                         sLang2 += _T(")");
 425                 }
 426
 427                 int pos = m_ctrlFiles.InsertItem(m_ctrlFiles.GetItemCount(), sLang);
 428                 m_ctrlFiles.SetItemText(pos, 1, sLang2);
 429
 430                 CString filename;
 431                 filename.Format(_T("TortoiseGit-LanguagePack-%s-%sbit-%s.msi"), version, x86x64, langs.Mid(5));
 432                 m_ctrlFiles.SetItemData(pos, (DWORD_PTR)(new CUpdateListCtrl::Entry(filename, CUpdateListCtrl::STATUS_NONE)));
 433
 434                 if (std::find(m_installedLangs.begin(), m_installedLangs.end(), loc) != m_installedLangs.end())
 435                         m_ctrlFiles.SetCheck(pos , TRUE);
 436         }
 437         DialogEnableWindow(IDC_BUTTON_UPDATE, TRUE);
 438 }
 439
 440 void CCheckForUpdatesDlg::FillChangelog(CStdioFile &file)
 441 {
 442         CString sChangelogURL;
 443         if (!file.ReadString(sChangelogURL) || sChangelogURL.IsEmpty())
 444                 sChangelogURL = _T("http://tortoisegit.googlecode.com/git/src/Changelog.txt");
 445
 446         CString tempchangelogfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 447         if (!m_updateDownloader->DownloadFile(sChangelogURL, tempchangelogfile, false))
 448         {
 449                 CString temp;
 450                 CStdioFile file;
 451                 if (file.Open(tempchangelogfile, CFile::modeRead | CFile::typeBinary))
 452                 {
 453                         std::unique_ptr<BYTE[]> buf(new BYTE[(UINT)file.GetLength()]);
 454                         UINT read = file.Read(buf.get(), (UINT)file.GetLength());
 455                         bool skipBom = read >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF;
 456                         g_Git.StringAppend(&temp, buf.get() + (skipBom ? 3 : 0), CP_UTF8, read - (skipBom ? 3 : 0));
 457                 }
 458                 ::SendMessage(m_hWnd, WM_USER_FILLCHANGELOG, 0, reinterpret_cast<LPARAM>((LPCTSTR)temp));
 459         }
 460         else
 461                 ::SendMessage(m_hWnd, WM_USER_FILLCHANGELOG, 0, reinterpret_cast<LPARAM>(_T("Could not load changelog.")));
 462 }
 463
 464 void CCheckForUpdatesDlg::OnTimer(UINT_PTR nIDEvent)
 465 {
 466         if (nIDEvent == 100)
 467         {
 468                 if (m_bThreadRunning == FALSE)
 469                 {
 470                         if (m_bShowInfo)
 471                         {
 472                                 m_bVisible = TRUE;
 473                                 ShowWindow(SW_SHOWNORMAL);
 474                         }
 475                         else
 476                         {
 477                                 EndDialog(0);
 478                         }
 479                 }
 480         }
 481         CStandAloneDialog::OnTimer(nIDEvent);
 482 }
 483
 484 void CCheckForUpdatesDlg::OnWindowPosChanging(WINDOWPOS* lpwndpos)
 485 {
 486         CStandAloneDialog::OnWindowPosChanging(lpwndpos);
 487         if (m_bVisible == FALSE)
 488                 lpwndpos->flags &= ~SWP_SHOWWINDOW;
 489 }
 490
 491 BOOL CCheckForUpdatesDlg::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
 492 {
 493         HCURSOR hCur = LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW));
 494         SetCursor(hCur);
 495         return CStandAloneDialogTmpl<CDialog>::OnSetCursor(pWnd, nHitTest, message);
 496 }
 497
 498 void CCheckForUpdatesDlg::OnBnClickedButtonUpdate()
 499 {
 500         CString title;
 501         m_ctrlUpdate.GetWindowText(title);
 502         if (m_pDownloadThread == NULL && title == CString(MAKEINTRESOURCE(IDS_PROC_DOWNLOAD)))
 503         {
 504                 bool isOneSelected = false;
 505                 for (int i = 0; i < (int)m_ctrlFiles.GetItemCount(); ++i)
 506                 {
 507                         if (m_ctrlFiles.GetCheck(i))
 508                         {
 509                                 isOneSelected = true;
 510                                 break;
 511                         }
 512                 }
 513                 if (!isOneSelected)
 514                         return;
 515
 516                 m_eventStop.ResetEvent();
 517
 518                 m_pDownloadThread = ::AfxBeginThread(DownloadThreadEntry, this, THREAD_PRIORITY_NORMAL, 0, CREATE_SUSPENDED);
 519                 if (m_pDownloadThread != NULL)
 520                 {
 521                         m_pDownloadThread->m_bAutoDelete = FALSE;
 522                         m_pDownloadThread->ResumeThread();
 523
 524                         GetDlgItem(IDC_BUTTON_UPDATE)->SetWindowText(CString(MAKEINTRESOURCE(IDS_ABORTBUTTON)));
 525                 }
 526                 else
 527                 {
 528                         CMessageBox::Show(NULL, IDS_ERR_THREADSTARTFAILED, IDS_APPNAME, MB_OK | MB_ICONERROR);
 529                 }
 530         }
 531         else if (title == CString(MAKEINTRESOURCE(IDS_ABORTBUTTON)))
 532         {
 533                 // Abort
 534                 m_eventStop.SetEvent();
 535         }
 536         else
 537         {
 538                 CString folder = GetDownloadsDirectory();
 539                 if (m_ctrlUpdate.GetCurrentEntry() == 0)
 540                 {
 541                         for (int i = 0; i < (int)m_ctrlFiles.GetItemCount(); ++i)
 542                         {
 543                                 CUpdateListCtrl::Entry *data = (CUpdateListCtrl::Entry *)m_ctrlFiles.GetItemData(i);
 544                                 if (m_ctrlFiles.GetCheck(i) == TRUE)
 545                                         ShellExecute(NULL, _T("open"), folder + data->m_filename, NULL, NULL, SW_SHOWNORMAL);
 546                         }
 547                         CStandAloneDialog::OnOK();
 548                 }
 549                 else if (m_ctrlUpdate.GetCurrentEntry() == 1)
 550                 {
 551                         ShellExecute(NULL, _T("open"), folder, NULL, NULL, SW_SHOWNORMAL);
 552                 }
 553
 554                 m_ctrlUpdate.SetCurrentEntry(0);
 555         }
 556 }
 557
 558 UINT CCheckForUpdatesDlg::DownloadThreadEntry(LPVOID pVoid)
 559 {
 560         return ((CCheckForUpdatesDlg*)pVoid)->DownloadThread();
 561 }
 562
 563 bool CCheckForUpdatesDlg::Download(CString filename)
 564 {
 565         CString url = m_sFilesURL + filename;
 566         CString destFilename = GetDownloadsDirectory() + filename;
 567         if (PathFileExists(destFilename) && PathFileExists(destFilename + SIGNATURE_FILE_ENDING))
 568         {
 569                 if (VerifyIntegrity(destFilename, destFilename + SIGNATURE_FILE_ENDING, m_updateDownloader) == 0)
 570                         return true;
 571                 else
 572                 {
 573                         DeleteFile(destFilename);
 574                         DeleteFile(destFilename + SIGNATURE_FILE_ENDING);
 575                         DeleteUrlCacheEntry(url);
 576                         DeleteUrlCacheEntry(url + SIGNATURE_FILE_ENDING);
 577                 }
 578         }
 579
 580         m_progress.SetRange32(0, 1);
 581         m_progress.SetPos(0);
 582         m_progress.ShowWindow(SW_SHOW);
 583         if (m_pTaskbarList)
 584         {
 585                 m_pTaskbarList->SetProgressState(m_hWnd, TBPF_NORMAL);
 586                 m_pTaskbarList->SetProgressValue(m_hWnd, 0, 1);
 587         }
 588
 589         CString tempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 590         CString signatureTempfile = CTempFiles::Instance().GetTempFilePath(true).GetWinPathString();
 591         BOOL ret = m_updateDownloader->DownloadFile(url, tempfile, true);
 592         if (!ret)
 593         {
 594                 ret = m_updateDownloader->DownloadFile(url + SIGNATURE_FILE_ENDING, signatureTempfile, true);
 595                 m_progress.SetPos(m_progress.GetPos() + 1);
 596                 if (m_pTaskbarList)
 597                 {
 598                         m_pTaskbarList->SetProgressState(m_hWnd, TBPF_NORMAL);
 599                         int minValue, maxValue;
 600                         m_progress.GetRange(minValue, maxValue);
 601                         m_pTaskbarList->SetProgressValue(m_hWnd, m_progress.GetPos(), maxValue);
 602                 }
 603         }
 604         if (!ret)
 605         {
 606                 if (VerifyIntegrity(tempfile, signatureTempfile, m_updateDownloader) == 0)
 607                 {
 608                         DeleteFile(destFilename);
 609                         DeleteFile(destFilename + SIGNATURE_FILE_ENDING);
 610                         MoveFile(tempfile, destFilename);
 611                         MoveFile(signatureTempfile, destFilename + SIGNATURE_FILE_ENDING);
 612                         return true;
 613                 }
 614                 DeleteUrlCacheEntry(url);
 615                 DeleteUrlCacheEntry(url + SIGNATURE_FILE_ENDING);
 616         }
 617         return false;
 618 }
 619
 620 UINT CCheckForUpdatesDlg::DownloadThread()
 621 {
 622         m_ctrlFiles.SetExtendedStyle(m_ctrlFiles.GetExtendedStyle() & ~LVS_EX_CHECKBOXES);
 623
 624         BOOL result = TRUE;
 625         for (int i = 0; i < (int)m_ctrlFiles.GetItemCount(); ++i)
 626         {
 627                 m_ctrlFiles.EnsureVisible(i, FALSE);
 628                 CRect rect;
 629                 m_ctrlFiles.GetItemRect(i, &rect, LVIR_BOUNDS);
 630                 CUpdateListCtrl::Entry *data = (CUpdateListCtrl::Entry *)m_ctrlFiles.GetItemData(i);
 631                 if (m_ctrlFiles.GetCheck(i) == TRUE)
 632                 {
 633                         data->m_status = CUpdateListCtrl::STATUS_DOWNLOADING;
 634                         m_ctrlFiles.InvalidateRect(rect);
 635                         if (Download(data->m_filename))
 636                                 data->m_status = CUpdateListCtrl::STATUS_SUCCESS;
 637                         else
 638                         {
 639                                 data->m_status = CUpdateListCtrl::STATUS_FAIL;
 640                                 result = FALSE;
 641                         }
 642                 }
 643                 else
 644                         data->m_status = CUpdateListCtrl::STATUS_IGNORE;
 645                 m_ctrlFiles.InvalidateRect(rect);
 646         }
 647
 648         ::PostMessage(GetSafeHwnd(), WM_USER_ENDDOWNLOAD, 0, 0);
 649
 650         return result;
 651 }
 652
 653 LRESULT CCheckForUpdatesDlg::OnEndDownload(WPARAM, LPARAM)
 654 {
 655         ASSERT(m_pDownloadThread != NULL);
 656
 657         // wait until the thread terminates
 658         DWORD dwExitCode;
 659         if (::GetExitCodeThread(m_pDownloadThread->m_hThread, &dwExitCode) && dwExitCode == STILL_ACTIVE)
 660                 ::WaitForSingleObject(m_pDownloadThread->m_hThread, INFINITE);
 661
 662         // make sure we always have the correct exit code
 663         ::GetExitCodeThread(m_pDownloadThread->m_hThread, &dwExitCode);
 664
 665         delete m_pDownloadThread;
 666         m_pDownloadThread = NULL;
 667
 668         m_progress.ShowWindow(SW_HIDE);
 669
 670         if (dwExitCode == TRUE)
 671         {
 672                 m_ctrlUpdate.AddEntry(CString(MAKEINTRESOURCE(IDS_PROC_INSTALL)));
 673                 m_ctrlUpdate.AddEntry(CString(MAKEINTRESOURCE(IDS_CHECKUPDATE_DESTFOLDER)));
 674                 m_ctrlUpdate.Invalidate();
 675                 if (m_pTaskbarList)
 676                         m_pTaskbarList->SetProgressState(m_hWnd, TBPF_NOPROGRESS);
 677         }
 678         else
 679         {
 680                 m_ctrlUpdate.SetWindowText(CString(MAKEINTRESOURCE(IDS_PROC_DOWNLOAD)));
 681                 if (m_pTaskbarList)
 682                         m_pTaskbarList->SetProgressState(m_hWnd, TBPF_ERROR);
 683                 CMessageBox::Show(NULL, IDS_ERR_FAILEDUPDATEDOWNLOAD, IDS_APPNAME, MB_ICONERROR);
 684                 if (m_pTaskbarList)
 685                         m_pTaskbarList->SetProgressState(m_hWnd, TBPF_NOPROGRESS);
 686         }
 687
 688         return 0;
 689 }
 690
 691 LRESULT CCheckForUpdatesDlg::OnFillChangelog(WPARAM, LPARAM lParam)
 692 {
 693         ASSERT(lParam != NULL);
 694
 695         LPCTSTR changelog = reinterpret_cast<LPCTSTR>(lParam);
 696         m_cLogMessage.Call(SCI_SETREADONLY, FALSE);
 697         m_cLogMessage.SetText(changelog);
 698         m_cLogMessage.Call(SCI_SETREADONLY, TRUE);
 699         m_cLogMessage.Call(SCI_GOTOPOS, 0);
 700
 701         return 0;
 702 }
 703
 704 CString CCheckForUpdatesDlg::GetDownloadsDirectory()
 705 {
 706         CString folder;
 707
 708         if (SysInfo::Instance().IsVistaOrLater())
 709         {
 710                 CAutoLibrary hShell = AtlLoadSystemLibraryUsingFullPath(_T("shell32.dll"));
 711                 if (hShell)
 712                 {
 713                         typedef HRESULT STDAPICALLTYPE SHGetKnownFolderPathFN(__in REFKNOWNFOLDERID rfid, __in DWORD dwFlags, __in_opt HANDLE hToken, __deref_out PWSTR *ppszPath);
 714                         SHGetKnownFolderPathFN *pfnSHGetKnownFolderPath = (SHGetKnownFolderPathFN*)GetProcAddress(hShell, "SHGetKnownFolderPath");
 715                         if (pfnSHGetKnownFolderPath)
 716                         {
 717                                 wchar_t * wcharPtr = 0;
 718                                 HRESULT hr = pfnSHGetKnownFolderPath(FOLDERID_Downloads, KF_FLAG_CREATE, NULL, &wcharPtr);
 719                                 if (SUCCEEDED(hr))
 720                                 {
 721                                         folder = wcharPtr;
 722                                         CoTaskMemFree(static_cast<void*>(wcharPtr));
 723                                         return folder.TrimRight(_T("\\")) + _T("\\");
 724                                 }
 725                         }
 726                 }
 727         }
 728
 729         TCHAR szPath[MAX_PATH] = {0};
 730         if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PERSONAL | CSIDL_FLAG_CREATE, NULL, SHGFP_TYPE_CURRENT, szPath)))
 731                 folder = szPath;
 732         CString downloads = folder.TrimRight(_T("\\")) + _T("\\Downloads\\");
 733         if ((PathFileExists(downloads) && PathIsDirectory(downloads)) || (!PathFileExists(downloads) && CreateDirectory(downloads, NULL)))
 734                 return downloads;
 735
 736         return folder;
 737 }
 738
 739 LRESULT CCheckForUpdatesDlg::OnDisplayStatus(WPARAM, LPARAM lParam)
 740 {
 741         const CUpdateDownloader::DOWNLOADSTATUS *const pDownloadStatus = reinterpret_cast<CUpdateDownloader::DOWNLOADSTATUS *>(lParam);
 742         if (pDownloadStatus != NULL)
 743         {
 744                 ASSERT(::AfxIsValidAddress(pDownloadStatus, sizeof(CUpdateDownloader::DOWNLOADSTATUS)));
 745
 746                 m_progress.SetRange32(0, pDownloadStatus->ulProgressMax);
 747                 m_progress.SetPos(pDownloadStatus->ulProgress);
 748                 if (m_pTaskbarList)
 749                 {
 750                         m_pTaskbarList->SetProgressState(m_hWnd, TBPF_NORMAL);
 751                         m_pTaskbarList->SetProgressValue(m_hWnd, pDownloadStatus->ulProgress, pDownloadStatus->ulProgressMax);
 752                 }
 753         }
 754
 755         return 0;
 756 }
 757
 758 LRESULT CCheckForUpdatesDlg::OnTaskbarBtnCreated(WPARAM /*wParam*/, LPARAM /*lParam*/)
 759 {
 760         m_pTaskbarList.Release();
 761         m_pTaskbarList.CoCreateInstance(CLSID_TaskbarList);
 762         return 0;
 763 }