src/common/mimecmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/mimecmn.cpp
   3 // Purpose:     classes and functions to manage MIME types
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 //  Chris Elliott (biol75@york.ac.uk) 5 Dec 00: write support for Win32
   7 // Created:     23.09.98
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 // Licence:     wxWindows licence (part of wxExtra library)
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 // for compilers that support precompilation, includes "wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 #if wxUSE_MIMETYPE
  29
  30 #include "wx/mimetype.h"
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/dynarray.h"
  34     #include "wx/string.h"
  35     #include "wx/intl.h"
  36     #include "wx/log.h"
  37     #include "wx/module.h"
  38     #include "wx/crt.h"
  39 #endif //WX_PRECOMP
  40
  41 #include "wx/file.h"
  42 #include "wx/iconloc.h"
  43 #include "wx/confbase.h"
  44
  45 // other standard headers
  46 #include <ctype.h>
  47
  48 // implementation classes:
  49 #if defined(__WXMSW__)
  50     #include "wx/msw/mimetype.h"
  51 #elif defined(__WXMAC__)
  52     #include "wx/mac/mimetype.h"
  53 #elif defined(__WXPM__) || defined (__EMX__)
  54     #include "wx/os2/mimetype.h"
  55     #undef __UNIX__
  56 #elif defined(__DOS__)
  57     #include "wx/msdos/mimetype.h"
  58 #else // Unix
  59     #include "wx/unix/mimetype.h"
  60 #endif
  61
  62 // ============================================================================
  63 // common classes
  64 // ============================================================================
  65
  66 // ----------------------------------------------------------------------------
  67 // wxMimeTypeCommands
  68 // ----------------------------------------------------------------------------
  69
  70 void
  71 wxMimeTypeCommands::AddOrReplaceVerb(const wxString& verb, const wxString& cmd)
  72 {
  73     int n = m_verbs.Index(verb, false /* ignore case */);
  74     if ( n == wxNOT_FOUND )
  75     {
  76         m_verbs.Add(verb);
  77         m_commands.Add(cmd);
  78     }
  79     else
  80     {
  81         m_commands[n] = cmd;
  82     }
  83 }
  84
  85 wxString
  86 wxMimeTypeCommands::GetCommandForVerb(const wxString& verb, size_t *idx) const
  87 {
  88     wxString s;
  89
  90     int n = m_verbs.Index(verb);
  91     if ( n != wxNOT_FOUND )
  92     {
  93         s = m_commands[(size_t)n];
  94         if ( idx )
  95             *idx = n;
  96     }
  97     else if ( idx )
  98     {
  99         // different from any valid index
 100         *idx = (size_t)-1;
 101     }
 102
 103     return s;
 104 }
 105
 106 wxString wxMimeTypeCommands::GetVerbCmd(size_t n) const
 107 {
 108     return m_verbs[n] + wxT('=') + m_commands[n];
 109 }
 110
 111 // ----------------------------------------------------------------------------
 112 // wxFileTypeInfo
 113 // ----------------------------------------------------------------------------
 114
 115 void wxFileTypeInfo::DoVarArgInit(const wxString& mimeType,
 116                                   const wxString& openCmd,
 117                                   const wxString& printCmd,
 118                                   const wxString& desc,
 119                                   va_list argptr)
 120 {
 121     m_mimeType = mimeType;
 122     m_openCmd = openCmd;
 123     m_printCmd = printCmd;
 124     m_desc = desc;
 125
 126     for ( ;; )
 127     {
 128         // icc gives this warning in its own va_arg() macro, argh
 129 #ifdef __INTELC__
 130     #pragma warning(push)
 131     #pragma warning(disable: 1684)
 132 #endif
 133
 134         wxArgNormalizedString ext(WX_VA_ARG_STRING(argptr));
 135
 136 #ifdef __INTELC__
 137     #pragma warning(pop)
 138 #endif
 139         if ( !ext )
 140         {
 141             // NULL terminates the list
 142             break;
 143         }
 144
 145         m_exts.Add(ext.GetString());
 146     }
 147 }
 148
 149 // NB: DoVarArgInit uses WX_VA_ARG_STRING macro to extract the string and this
 150 //     macro interprets the argument as char* or wchar_t* depending on build
 151 //     (and in UTF8 build, on the current locale). Because only one of the
 152 //     vararg forms below is called and the decision about which one gets
 153 //     called depends on the same conditions WX_VA_ARG_STRING uses, we can
 154 //     implement both of them in the exact same way:
 155
 156 #if !wxUSE_UTF8_LOCALE_ONLY
 157 void wxFileTypeInfo::VarArgInitWchar(const wxChar *mimeType,
 158                                      const wxChar *openCmd,
 159                                      const wxChar *printCmd,
 160                                      const wxChar *desc,
 161                                      ...)
 162 {
 163     va_list argptr;
 164     va_start(argptr, desc);
 165
 166     DoVarArgInit(mimeType, openCmd, printCmd, desc, argptr);
 167
 168     va_end(argptr);
 169 }
 170 #endif // !wxUSE_UTF8_LOCALE_ONLY
 171
 172 #if wxUSE_UNICODE_UTF8
 173 void wxFileTypeInfo::VarArgInitUtf8(const char *mimeType,
 174                                     const char *openCmd,
 175                                     const char *printCmd,
 176                                     const char *desc,
 177                                     ...)
 178 {
 179     va_list argptr;
 180     va_start(argptr, desc);
 181
 182     DoVarArgInit(mimeType, openCmd, printCmd, desc, argptr);
 183
 184     va_end(argptr);
 185 }
 186 #endif // wxUSE_UNICODE_UTF8
 187
 188
 189 wxFileTypeInfo::wxFileTypeInfo(const wxArrayString& sArray)
 190 {
 191     m_mimeType = sArray [0u];
 192     m_openCmd  = sArray [1u];
 193     m_printCmd = sArray [2u];
 194     m_desc     = sArray [3u];
 195
 196     size_t count = sArray.GetCount();
 197     for ( size_t i = 4; i < count; i++ )
 198     {
 199         m_exts.Add(sArray[i]);
 200     }
 201 }
 202
 203 #include "wx/arrimpl.cpp"
 204 WX_DEFINE_OBJARRAY(wxArrayFileTypeInfo)
 205
 206 // ============================================================================
 207 // implementation of the wrapper classes
 208 // ============================================================================
 209
 210 // ----------------------------------------------------------------------------
 211 // wxFileType
 212 // ----------------------------------------------------------------------------
 213
 214 /* static */
 215 wxString wxFileType::ExpandCommand(const wxString& command,
 216                                    const wxFileType::MessageParameters& params)
 217 {
 218     bool hasFilename = false;
 219
 220     wxString str;
 221     for ( const wxChar *pc = command.c_str(); *pc != wxT('\0'); pc++ ) {
 222         if ( *pc == wxT('%') ) {
 223             switch ( *++pc ) {
 224                 case wxT('s'):
 225                     // '%s' expands into file name (quoted because it might
 226                     // contain spaces) - except if there are already quotes
 227                     // there because otherwise some programs may get confused
 228                     // by double double quotes
 229 #if 0
 230                     if ( *(pc - 2) == wxT('"') )
 231                         str << params.GetFileName();
 232                     else
 233                         str << wxT('"') << params.GetFileName() << wxT('"');
 234 #endif
 235                     str << params.GetFileName();
 236                     hasFilename = true;
 237                     break;
 238
 239                 case wxT('t'):
 240                     // '%t' expands into MIME type (quote it too just to be
 241                     // consistent)
 242                     str << wxT('\'') << params.GetMimeType() << wxT('\'');
 243                     break;
 244
 245                 case wxT('{'):
 246                     {
 247                         const wxChar *pEnd = wxStrchr(pc, wxT('}'));
 248                         if ( pEnd == NULL ) {
 249                             wxString mimetype;
 250                             wxLogWarning(_("Unmatched '{' in an entry for mime type %s."),
 251                                          params.GetMimeType().c_str());
 252                             str << wxT("%{");
 253                         }
 254                         else {
 255                             wxString param(pc + 1, pEnd - pc - 1);
 256                             str << wxT('\'') << params.GetParamValue(param) << wxT('\'');
 257                             pc = pEnd;
 258                         }
 259                     }
 260                     break;
 261
 262                 case wxT('n'):
 263                 case wxT('F'):
 264                     // TODO %n is the number of parts, %F is an array containing
 265                     //      the names of temp files these parts were written to
 266                     //      and their mime types.
 267                     break;
 268
 269                 default:
 270                     wxLogDebug(wxT("Unknown field %%%c in command '%s'."),
 271                                *pc, command.c_str());
 272                     str << *pc;
 273             }
 274         }
 275         else {
 276             str << *pc;
 277         }
 278     }
 279
 280     // metamail(1) man page states that if the mailcap entry doesn't have '%s'
 281     // the program will accept the data on stdin so normally we should append
 282     // "< %s" to the end of the command in such case, but not all commands
 283     // behave like this, in particular a common test is 'test -n "$DISPLAY"'
 284     // and appending "< %s" to this command makes the test fail... I don't
 285     // know of the correct solution, try to guess what we have to do.
 286
 287     // test now carried out on reading file so test should never get here
 288     if ( !hasFilename && !str.empty()
 289 #ifdef __UNIX__
 290                       && !str.StartsWith(_T("test "))
 291 #endif // Unix
 292        ) {
 293         str << wxT(" < '") << params.GetFileName() << wxT('\'');
 294     }
 295
 296     return str;
 297 }
 298
 299 wxFileType::wxFileType(const wxFileTypeInfo& info)
 300 {
 301     m_info = &info;
 302     m_impl = NULL;
 303 }
 304
 305 wxFileType::wxFileType()
 306 {
 307     m_info = NULL;
 308     m_impl = new wxFileTypeImpl;
 309 }
 310
 311 wxFileType::~wxFileType()
 312 {
 313     if ( m_impl )
 314         delete m_impl;
 315 }
 316
 317 bool wxFileType::GetExtensions(wxArrayString& extensions)
 318 {
 319     if ( m_info )
 320     {
 321         extensions = m_info->GetExtensions();
 322         return true;
 323     }
 324
 325     return m_impl->GetExtensions(extensions);
 326 }
 327
 328 bool wxFileType::GetMimeType(wxString *mimeType) const
 329 {
 330     wxCHECK_MSG( mimeType, false, _T("invalid parameter in GetMimeType") );
 331
 332     if ( m_info )
 333     {
 334         *mimeType = m_info->GetMimeType();
 335
 336         return true;
 337     }
 338
 339     return m_impl->GetMimeType(mimeType);
 340 }
 341
 342 bool wxFileType::GetMimeTypes(wxArrayString& mimeTypes) const
 343 {
 344     if ( m_info )
 345     {
 346         mimeTypes.Clear();
 347         mimeTypes.Add(m_info->GetMimeType());
 348
 349         return true;
 350     }
 351
 352     return m_impl->GetMimeTypes(mimeTypes);
 353 }
 354
 355 bool wxFileType::GetIcon(wxIconLocation *iconLoc) const
 356 {
 357     if ( m_info )
 358     {
 359         if ( iconLoc )
 360         {
 361             iconLoc->SetFileName(m_info->GetIconFile());
 362 #ifdef __WXMSW__
 363             iconLoc->SetIndex(m_info->GetIconIndex());
 364 #endif // __WXMSW__
 365         }
 366
 367         return true;
 368     }
 369
 370     return m_impl->GetIcon(iconLoc);
 371 }
 372
 373 bool
 374 wxFileType::GetIcon(wxIconLocation *iconloc,
 375                     const MessageParameters& params) const
 376 {
 377     if ( !GetIcon(iconloc) )
 378     {
 379         return false;
 380     }
 381
 382     // we may have "%s" in the icon location string, at least under Windows, so
 383     // expand this
 384     if ( iconloc )
 385     {
 386         iconloc->SetFileName(ExpandCommand(iconloc->GetFileName(), params));
 387     }
 388
 389     return true;
 390 }
 391
 392 bool wxFileType::GetDescription(wxString *desc) const
 393 {
 394     wxCHECK_MSG( desc, false, _T("invalid parameter in GetDescription") );
 395
 396     if ( m_info )
 397     {
 398         *desc = m_info->GetDescription();
 399
 400         return true;
 401     }
 402
 403     return m_impl->GetDescription(desc);
 404 }
 405
 406 bool
 407 wxFileType::GetOpenCommand(wxString *openCmd,
 408                            const wxFileType::MessageParameters& params) const
 409 {
 410     wxCHECK_MSG( openCmd, false, _T("invalid parameter in GetOpenCommand") );
 411
 412     if ( m_info )
 413     {
 414         *openCmd = ExpandCommand(m_info->GetOpenCommand(), params);
 415
 416         return true;
 417     }
 418
 419     return m_impl->GetOpenCommand(openCmd, params);
 420 }
 421
 422 wxString wxFileType::GetOpenCommand(const wxString& filename) const
 423 {
 424     wxString cmd;
 425     if ( !GetOpenCommand(&cmd, filename) )
 426     {
 427         // return empty string to indicate an error
 428         cmd.clear();
 429     }
 430
 431     return cmd;
 432 }
 433
 434 bool
 435 wxFileType::GetPrintCommand(wxString *printCmd,
 436                             const wxFileType::MessageParameters& params) const
 437 {
 438     wxCHECK_MSG( printCmd, false, _T("invalid parameter in GetPrintCommand") );
 439
 440     if ( m_info )
 441     {
 442         *printCmd = ExpandCommand(m_info->GetPrintCommand(), params);
 443
 444         return true;
 445     }
 446
 447     return m_impl->GetPrintCommand(printCmd, params);
 448 }
 449
 450
 451 size_t wxFileType::GetAllCommands(wxArrayString *verbs,
 452                                   wxArrayString *commands,
 453                                   const wxFileType::MessageParameters& params) const
 454 {
 455     if ( verbs )
 456         verbs->Clear();
 457     if ( commands )
 458         commands->Clear();
 459
 460 #if defined (__WXMSW__)  || defined(__UNIX__)
 461     return m_impl->GetAllCommands(verbs, commands, params);
 462 #else // !__WXMSW__ || Unix
 463     // we don't know how to retrieve all commands, so just try the 2 we know
 464     // about
 465     size_t count = 0;
 466     wxString cmd;
 467     if ( GetOpenCommand(&cmd, params) )
 468     {
 469         if ( verbs )
 470             verbs->Add(_T("Open"));
 471         if ( commands )
 472             commands->Add(cmd);
 473         count++;
 474     }
 475
 476     if ( GetPrintCommand(&cmd, params) )
 477     {
 478         if ( verbs )
 479             verbs->Add(_T("Print"));
 480         if ( commands )
 481             commands->Add(cmd);
 482
 483         count++;
 484     }
 485
 486     return count;
 487 #endif // __WXMSW__/| __UNIX__
 488 }
 489
 490 bool wxFileType::Unassociate()
 491 {
 492 #if defined(__WXMSW__)
 493     return m_impl->Unassociate();
 494 #elif defined(__UNIX__)
 495     return m_impl->Unassociate(this);
 496 #else
 497     wxFAIL_MSG( _T("not implemented") ); // TODO
 498     return false;
 499 #endif
 500 }
 501
 502 bool wxFileType::SetCommand(const wxString& cmd,
 503                             const wxString& verb,
 504                             bool overwriteprompt)
 505 {
 506 #if defined (__WXMSW__)  || defined(__UNIX__)
 507     return m_impl->SetCommand(cmd, verb, overwriteprompt);
 508 #else
 509     wxUnusedVar(cmd);
 510     wxUnusedVar(verb);
 511     wxUnusedVar(overwriteprompt);
 512     wxFAIL_MSG(_T("not implemented"));
 513     return false;
 514 #endif
 515 }
 516
 517 bool wxFileType::SetDefaultIcon(const wxString& cmd, int index)
 518 {
 519     wxString sTmp = cmd;
 520 #ifdef __WXMSW__
 521     // VZ: should we do this?
 522     // chris elliott : only makes sense in MS windows
 523     if ( sTmp.empty() )
 524         GetOpenCommand(&sTmp, wxFileType::MessageParameters(wxEmptyString, wxEmptyString));
 525 #endif
 526     wxCHECK_MSG( !sTmp.empty(), false, _T("need the icon file") );
 527
 528 #if defined (__WXMSW__) || defined(__UNIX__)
 529     return m_impl->SetDefaultIcon (cmd, index);
 530 #else
 531     wxUnusedVar(index);
 532     wxFAIL_MSG(_T("not implemented"));
 533     return false;
 534 #endif
 535 }
 536
 537 // ----------------------------------------------------------------------------
 538 // wxMimeTypesManagerFactory
 539 // ----------------------------------------------------------------------------
 540
 541 wxMimeTypesManagerFactory *wxMimeTypesManagerFactory::m_factory = NULL;
 542
 543 /* static */
 544 void wxMimeTypesManagerFactory::Set(wxMimeTypesManagerFactory *factory)
 545 {
 546     delete m_factory;
 547
 548     m_factory = factory;
 549 }
 550
 551 /* static */
 552 wxMimeTypesManagerFactory *wxMimeTypesManagerFactory::Get()
 553 {
 554     if ( !m_factory )
 555         m_factory = new wxMimeTypesManagerFactory;
 556
 557     return m_factory;
 558 }
 559
 560 wxMimeTypesManagerImpl *wxMimeTypesManagerFactory::CreateMimeTypesManagerImpl()
 561 {
 562     return new wxMimeTypesManagerImpl;
 563 }
 564
 565 // ----------------------------------------------------------------------------
 566 // wxMimeTypesManager
 567 // ----------------------------------------------------------------------------
 568
 569 void wxMimeTypesManager::EnsureImpl()
 570 {
 571     if ( !m_impl )
 572         m_impl = wxMimeTypesManagerFactory::Get()->CreateMimeTypesManagerImpl();
 573 }
 574
 575 bool wxMimeTypesManager::IsOfType(const wxString& mimeType,
 576                                   const wxString& wildcard)
 577 {
 578     wxASSERT_MSG( mimeType.Find(wxT('*')) == wxNOT_FOUND,
 579                   wxT("first MIME type can't contain wildcards") );
 580
 581     // all comparaisons are case insensitive (2nd arg of IsSameAs() is false)
 582     if ( wildcard.BeforeFirst(wxT('/')).
 583             IsSameAs(mimeType.BeforeFirst(wxT('/')), false) )
 584     {
 585         wxString strSubtype = wildcard.AfterFirst(wxT('/'));
 586
 587         if ( strSubtype == wxT("*") ||
 588              strSubtype.IsSameAs(mimeType.AfterFirst(wxT('/')), false) )
 589         {
 590             // matches (either exactly or it's a wildcard)
 591             return true;
 592         }
 593     }
 594
 595     return false;
 596 }
 597
 598 wxMimeTypesManager::wxMimeTypesManager()
 599 {
 600     m_impl = NULL;
 601 }
 602
 603 wxMimeTypesManager::~wxMimeTypesManager()
 604 {
 605     if ( m_impl )
 606         delete m_impl;
 607 }
 608
 609 bool wxMimeTypesManager::Unassociate(wxFileType *ft)
 610 {
 611     EnsureImpl();
 612
 613 #if defined(__UNIX__) && !defined(__CYGWIN__) && !defined(__WINE__)
 614     return m_impl->Unassociate(ft);
 615 #else
 616     return ft->Unassociate();
 617 #endif
 618 }
 619
 620
 621 wxFileType *
 622 wxMimeTypesManager::Associate(const wxFileTypeInfo& ftInfo)
 623 {
 624     EnsureImpl();
 625
 626 #if defined(__WXMSW__) || defined(__UNIX__)
 627     return m_impl->Associate(ftInfo);
 628 #else // other platforms
 629     wxUnusedVar(ftInfo);
 630     wxFAIL_MSG( _T("not implemented") ); // TODO
 631     return NULL;
 632 #endif // platforms
 633 }
 634
 635 wxFileType *
 636 wxMimeTypesManager::GetFileTypeFromExtension(const wxString& ext)
 637 {
 638     EnsureImpl();
 639
 640     wxString::const_iterator i = ext.begin();
 641     const wxString::const_iterator end = ext.end();
 642     wxString extWithoutDot;
 643     if ( i != end && *i == '.' )
 644         extWithoutDot.assign(++i, ext.end());
 645     else
 646         extWithoutDot = ext;
 647
 648     wxCHECK_MSG( !ext.empty(), NULL, _T("extension can't be empty") );
 649
 650     wxFileType *ft = m_impl->GetFileTypeFromExtension(extWithoutDot);
 651
 652     if ( !ft ) {
 653         // check the fallbacks
 654         //
 655         // TODO linear search is potentially slow, perhaps we should use a
 656         //       sorted array?
 657         size_t count = m_fallbacks.GetCount();
 658         for ( size_t n = 0; n < count; n++ ) {
 659             if ( m_fallbacks[n].GetExtensions().Index(ext) != wxNOT_FOUND ) {
 660                 ft = new wxFileType(m_fallbacks[n]);
 661
 662                 break;
 663             }
 664         }
 665     }
 666
 667     return ft;
 668 }
 669
 670 wxFileType *
 671 wxMimeTypesManager::GetFileTypeFromMimeType(const wxString& mimeType)
 672 {
 673     EnsureImpl();
 674     wxFileType *ft = m_impl->GetFileTypeFromMimeType(mimeType);
 675
 676     if ( !ft ) {
 677         // check the fallbacks
 678         //
 679         // TODO linear search is potentially slow, perhaps we should use a
 680         //      sorted array?
 681         size_t count = m_fallbacks.GetCount();
 682         for ( size_t n = 0; n < count; n++ ) {
 683             if ( wxMimeTypesManager::IsOfType(mimeType,
 684                                               m_fallbacks[n].GetMimeType()) ) {
 685                 ft = new wxFileType(m_fallbacks[n]);
 686
 687                 break;
 688             }
 689         }
 690     }
 691
 692     return ft;
 693 }
 694
 695 bool wxMimeTypesManager::ReadMailcap(const wxString& filename, bool fallback)
 696 {
 697     EnsureImpl();
 698     return m_impl->ReadMailcap(filename, fallback);
 699 }
 700
 701 bool wxMimeTypesManager::ReadMimeTypes(const wxString& filename)
 702 {
 703     EnsureImpl();
 704     return m_impl->ReadMimeTypes(filename);
 705 }
 706
 707 void wxMimeTypesManager::AddFallbacks(const wxFileTypeInfo *filetypes)
 708 {
 709     EnsureImpl();
 710     for ( const wxFileTypeInfo *ft = filetypes; ft && ft->IsValid(); ft++ ) {
 711         AddFallback(*ft);
 712     }
 713 }
 714
 715 size_t wxMimeTypesManager::EnumAllFileTypes(wxArrayString& mimetypes)
 716 {
 717     EnsureImpl();
 718     size_t countAll = m_impl->EnumAllFileTypes(mimetypes);
 719
 720     // add the fallback filetypes
 721     size_t count = m_fallbacks.GetCount();
 722     for ( size_t n = 0; n < count; n++ ) {
 723         if ( mimetypes.Index(m_fallbacks[n].GetMimeType()) == wxNOT_FOUND ) {
 724             mimetypes.Add(m_fallbacks[n].GetMimeType());
 725             countAll++;
 726         }
 727     }
 728
 729     return countAll;
 730 }
 731
 732 void wxMimeTypesManager::Initialize(int mcapStyle,
 733                                     const wxString& sExtraDir)
 734 {
 735 #if defined(__UNIX__) && !defined(__CYGWIN__) && !defined(__WINE__)
 736     EnsureImpl();
 737
 738     m_impl->Initialize(mcapStyle, sExtraDir);
 739 #else
 740     (void)mcapStyle;
 741     (void)sExtraDir;
 742 #endif // Unix
 743 }
 744
 745 // and this function clears all the data from the manager
 746 void wxMimeTypesManager::ClearData()
 747 {
 748 #if defined(__UNIX__) && !defined(__CYGWIN__) && !defined(__WINE__)
 749     EnsureImpl();
 750
 751     m_impl->ClearData();
 752 #endif // Unix
 753 }
 754
 755 // ----------------------------------------------------------------------------
 756 // global data and wxMimeTypeCmnModule
 757 // ----------------------------------------------------------------------------
 758
 759 // private object
 760 static wxMimeTypesManager gs_mimeTypesManager;
 761
 762 // and public pointer
 763 wxMimeTypesManager *wxTheMimeTypesManager = &gs_mimeTypesManager;
 764
 765 class wxMimeTypeCmnModule: public wxModule
 766 {
 767 public:
 768     wxMimeTypeCmnModule() : wxModule() { }
 769
 770     virtual bool OnInit() { return true; }
 771     virtual void OnExit()
 772     {
 773         wxMimeTypesManagerFactory::Set(NULL);
 774
 775         if ( gs_mimeTypesManager.m_impl != NULL )
 776         {
 777             delete gs_mimeTypesManager.m_impl;
 778             gs_mimeTypesManager.m_impl = NULL;
 779             gs_mimeTypesManager.m_fallbacks.Clear();
 780         }
 781     }
 782
 783     DECLARE_DYNAMIC_CLASS(wxMimeTypeCmnModule)
 784 };
 785
 786 IMPLEMENT_DYNAMIC_CLASS(wxMimeTypeCmnModule, wxModule)
 787
 788 #endif // wxUSE_MIMETYPE