src/tools/dcpomatic.cc

   1 /*
   2     Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <iostream>
  21 #include <fstream>
  22 #include <boost/filesystem.hpp>
  23 #ifdef __WXMSW__
  24 #include <shellapi.h>
  25 #endif
  26 #ifdef __WXOSX__
  27 #include <ApplicationServices/ApplicationServices.h>
  28 #endif
  29 #include <wx/generic/aboutdlgg.h>
  30 #include <wx/stdpaths.h>
  31 #include <wx/cmdline.h>
  32 #include "wx/film_viewer.h"
  33 #include "wx/film_editor.h"
  34 #include "wx/job_manager_view.h"
  35 #include "wx/config_dialog.h"
  36 #include "wx/job_wrapper.h"
  37 #include "wx/wx_util.h"
  38 #include "wx/new_film_dialog.h"
  39 #include "wx/properties_dialog.h"
  40 #include "wx/wx_ui_signaller.h"
  41 #include "wx/about_dialog.h"
  42 #include "wx/kdm_dialog.h"
  43 #include "wx/servers_list_dialog.h"
  44 #include "wx/hints_dialog.h"
  45 #include "wx/update_dialog.h"
  46 #include "lib/film.h"
  47 #include "lib/config.h"
  48 #include "lib/util.h"
  49 #include "lib/version.h"
  50 #include "lib/ui_signaller.h"
  51 #include "lib/log.h"
  52 #include "lib/job_manager.h"
  53 #include "lib/transcode_job.h"
  54 #include "lib/exceptions.h"
  55 #include "lib/cinema.h"
  56 #include "lib/kdm.h"
  57 #include "lib/send_kdm_email_job.h"
  58 #include "lib/server_finder.h"
  59 #include "lib/update.h"
  60
  61 using std::cout;
  62 using std::string;
  63 using std::wstring;
  64 using std::stringstream;
  65 using std::map;
  66 using std::make_pair;
  67 using std::list;
  68 using std::exception;
  69 using boost::shared_ptr;
  70 using boost::dynamic_pointer_cast;
  71
  72 static FilmEditor* film_editor = 0;
  73 static FilmViewer* film_viewer = 0;
  74 static shared_ptr<Film> film;
  75 static std::string log_level;
  76 static std::string film_to_load;
  77 static std::string film_to_create;
  78 static wxMenu* jobs_menu = 0;
  79
  80 static void set_menu_sensitivity ();
  81
  82 class FilmChangedDialog
  83 {
  84 public:
  85         FilmChangedDialog ()
  86         {
  87                 _dialog = new wxMessageDialog (
  88                         0,
  89                         wxString::Format (_("Save changes to film \"%s\" before closing?"), std_to_wx (film->name ()).data()),
  90                         _("Film changed"),
  91                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
  92                         );
  93         }
  94
  95         ~FilmChangedDialog ()
  96         {
  97                 _dialog->Destroy ();
  98         }
  99
 100         int run ()
 101         {
 102                 return _dialog->ShowModal ();
 103         }
 104
 105 private:
 106         /* Not defined */
 107         FilmChangedDialog (FilmChangedDialog const &);
 108
 109         wxMessageDialog* _dialog;
 110 };
 111
 112
 113 void
 114 maybe_save_then_delete_film ()
 115 {
 116         if (!film) {
 117                 return;
 118         }
 119
 120         if (film->dirty ()) {
 121                 FilmChangedDialog d;
 122                 switch (d.run ()) {
 123                 case wxID_NO:
 124                         break;
 125                 case wxID_YES:
 126                         film->write_metadata ();
 127                         break;
 128                 }
 129         }
 130
 131         film.reset ();
 132 }
 133
 134 #define ALWAYS                  0x0
 135 #define NEEDS_FILM              0x1
 136 #define NOT_DURING_DCP_CREATION 0x2
 137 #define NEEDS_DCP               0x4
 138
 139 map<wxMenuItem*, int> menu_items;
 140
 141 void
 142 add_item (wxMenu* menu, wxString text, int id, int sens)
 143 {
 144         wxMenuItem* item = menu->Append (id, text);
 145         menu_items.insert (make_pair (item, sens));
 146 }
 147
 148 void
 149 set_menu_sensitivity ()
 150 {
 151         list<shared_ptr<Job> > jobs = JobManager::instance()->get ();
 152         list<shared_ptr<Job> >::iterator i = jobs.begin();
 153         while (i != jobs.end() && dynamic_pointer_cast<TranscodeJob> (*i) == 0) {
 154                 ++i;
 155         }
 156         bool const dcp_creation = (i != jobs.end ()) && !(*i)->finished ();
 157         bool const have_dcp = film && !film->dcps().empty ();
 158
 159         for (map<wxMenuItem*, int>::iterator j = menu_items.begin(); j != menu_items.end(); ++j) {
 160
 161                 bool enabled = true;
 162
 163                 if ((j->second & NEEDS_FILM) && film == 0) {
 164                         enabled = false;
 165                 }
 166
 167                 if ((j->second & NOT_DURING_DCP_CREATION) && dcp_creation) {
 168                         enabled = false;
 169                 }
 170
 171                 if ((j->second & NEEDS_DCP) && !have_dcp) {
 172                         enabled = false;
 173                 }
 174
 175                 j->first->Enable (enabled);
 176         }
 177 }
 178
 179 enum {
 180         ID_file_new = 1,
 181         ID_file_open,
 182         ID_file_save,
 183         ID_file_properties,
 184         ID_jobs_make_dcp,
 185         ID_jobs_make_kdms,
 186         ID_jobs_send_dcp_to_tms,
 187         ID_jobs_show_dcp,
 188         ID_tools_hints,
 189         ID_tools_encoding_servers,
 190         ID_tools_check_for_updates
 191 };
 192
 193 void
 194 setup_menu (wxMenuBar* m)
 195 {
 196         wxMenu* file = new wxMenu;
 197         add_item (file, _("New..."), ID_file_new, ALWAYS);
 198         add_item (file, _("&Open..."), ID_file_open, ALWAYS);
 199         file->AppendSeparator ();
 200         add_item (file, _("&Save"), ID_file_save, NEEDS_FILM);
 201         file->AppendSeparator ();
 202         add_item (file, _("&Properties..."), ID_file_properties, NEEDS_FILM);
 203 #ifndef __WXOSX__
 204         file->AppendSeparator ();
 205 #endif
 206
 207 #ifdef __WXOSX__
 208         add_item (file, _("&Exit"), wxID_EXIT, ALWAYS);
 209 #else
 210         add_item (file, _("&Quit"), wxID_EXIT, ALWAYS);
 211 #endif
 212
 213
 214 #ifdef __WXOSX__
 215         add_item (file, _("&Preferences..."), wxID_PREFERENCES, ALWAYS);
 216 #else
 217         wxMenu* edit = new wxMenu;
 218         add_item (edit, _("&Preferences..."), wxID_PREFERENCES, ALWAYS);
 219 #endif
 220
 221         jobs_menu = new wxMenu;
 222         add_item (jobs_menu, _("&Make DCP"), ID_jobs_make_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION);
 223         add_item (jobs_menu, _("Make &KDMs..."), ID_jobs_make_kdms, NEEDS_FILM | NEEDS_DCP);
 224         add_item (jobs_menu, _("&Send DCP to TMS"), ID_jobs_send_dcp_to_tms, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_DCP);
 225         add_item (jobs_menu, _("S&how DCP"), ID_jobs_show_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_DCP);
 226
 227         wxMenu* tools = new wxMenu;
 228         add_item (tools, _("Hints..."), ID_tools_hints, 0);
 229         add_item (tools, _("Encoding servers..."), ID_tools_encoding_servers, 0);
 230         add_item (tools, _("Check for updates"), ID_tools_check_for_updates, 0);
 231
 232         wxMenu* help = new wxMenu;
 233 #ifdef __WXOSX__
 234         add_item (help, _("About DCP-o-matic"), wxID_ABOUT, ALWAYS);
 235 #else
 236         add_item (help, _("About"), wxID_ABOUT, ALWAYS);
 237 #endif
 238
 239         m->Append (file, _("&File"));
 240 #ifndef __WXOSX__
 241         m->Append (edit, _("&Edit"));
 242 #endif
 243         m->Append (jobs_menu, _("&Jobs"));
 244         m->Append (tools, _("&Tools"));
 245         m->Append (help, _("&Help"));
 246 }
 247
 248 class Frame : public wxFrame
 249 {
 250 public:
 251         Frame (wxString const & title)
 252                 : wxFrame (NULL, -1, title)
 253                 , _hints_dialog (0)
 254                 , _servers_list_dialog (0)
 255         {
 256 #ifdef DCPOMATIC_WINDOWS_CONSOLE
 257                 AllocConsole();
 258
 259                 HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 260                 int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 261                 FILE* hf_out = _fdopen(hCrt, "w");
 262                 setvbuf(hf_out, NULL, _IONBF, 1);
 263                 *stdout = *hf_out;
 264
 265                 HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 266                 hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 267                 FILE* hf_in = _fdopen(hCrt, "r");
 268                 setvbuf(hf_in, NULL, _IONBF, 128);
 269                 *stdin = *hf_in;
 270 #endif
 271
 272                 wxMenuBar* bar = new wxMenuBar;
 273                 setup_menu (bar);
 274                 SetMenuBar (bar);
 275
 276                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_new, this),                ID_file_new);
 277                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_open, this),               ID_file_open);
 278                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_save, this),               ID_file_save);
 279                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_properties, this),         ID_file_properties);
 280                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_exit, this),               wxID_EXIT);
 281                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::edit_preferences, this),        wxID_PREFERENCES);
 282                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_make_dcp, this),           ID_jobs_make_dcp);
 283                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_make_kdms, this),          ID_jobs_make_kdms);
 284                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_send_dcp_to_tms, this),    ID_jobs_send_dcp_to_tms);
 285                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_show_dcp, this),           ID_jobs_show_dcp);
 286                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::tools_hints, this),             ID_tools_hints);
 287                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::tools_encoding_servers, this),  ID_tools_encoding_servers);
 288                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::tools_check_for_updates, this), ID_tools_check_for_updates);
 289                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::help_about, this),              wxID_ABOUT);
 290
 291                 Bind (wxEVT_CLOSE_WINDOW, boost::bind (&Frame::close, this, _1));
 292
 293                 /* Use a panel as the only child of the Frame so that we avoid
 294                    the dark-grey background on Windows.
 295                 */
 296                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 297
 298                 film_editor = new FilmEditor (film, overall_panel);
 299                 film_viewer = new FilmViewer (film, overall_panel);
 300                 JobManagerView* job_manager_view = new JobManagerView (overall_panel, static_cast<JobManagerView::Buttons> (0));
 301
 302                 wxBoxSizer* right_sizer = new wxBoxSizer (wxVERTICAL);
 303                 right_sizer->Add (film_viewer, 2, wxEXPAND | wxALL, 6);
 304                 right_sizer->Add (job_manager_view, 1, wxEXPAND | wxALL, 6);
 305
 306                 wxBoxSizer* main_sizer = new wxBoxSizer (wxHORIZONTAL);
 307                 main_sizer->Add (film_editor, 1, wxEXPAND | wxALL, 6);
 308                 main_sizer->Add (right_sizer, 2, wxEXPAND | wxALL, 6);
 309
 310                 set_menu_sensitivity ();
 311
 312                 film_editor->FileChanged.connect (bind (&Frame::file_changed, this, _1));
 313                 if (film) {
 314                         file_changed (film->directory ());
 315                 } else {
 316                         file_changed ("");
 317                 }
 318
 319                 JobManager::instance()->ActiveJobsChanged.connect (boost::bind (set_menu_sensitivity));
 320
 321                 set_film ();
 322                 overall_panel->SetSizer (main_sizer);
 323         }
 324
 325 private:
 326
 327         void set_film ()
 328         {
 329                 film_viewer->set_film (film);
 330                 film_editor->set_film (film);
 331                 set_menu_sensitivity ();
 332         }
 333
 334         void file_changed (boost::filesystem::path f)
 335         {
 336                 stringstream s;
 337                 s << wx_to_std (_("DCP-o-matic"));
 338                 if (!f.empty ()) {
 339                         s << " - " << f.string ();
 340                 }
 341
 342                 SetTitle (std_to_wx (s.str()));
 343         }
 344
 345         void file_new ()
 346         {
 347                 NewFilmDialog* d = new NewFilmDialog (this);
 348                 int const r = d->ShowModal ();
 349
 350                 if (r == wxID_OK) {
 351
 352                         if (boost::filesystem::is_directory (d->get_path()) && !boost::filesystem::is_empty(d->get_path())) {
 353                                 if (!confirm_dialog (
 354                                             this,
 355                                             std_to_wx (
 356                                                     String::compose (wx_to_std (_("The directory %1 already exists and is not empty.  "
 357                                                                                   "Are you sure you want to use it?")),
 358                                                                      d->get_path().string().c_str())
 359                                                     )
 360                                             )) {
 361                                         return;
 362                                 }
 363                         } else if (boost::filesystem::is_regular_file (d->get_path())) {
 364                                 error_dialog (
 365                                         this,
 366                                         String::compose (wx_to_std (_("%1 already exists as a file, so you cannot use it for a new film.")), d->get_path().c_str())
 367                                         );
 368                                 return;
 369                         }
 370
 371                         maybe_save_then_delete_film ();
 372                         film.reset (new Film (d->get_path ()));
 373                         film->write_metadata ();
 374                         film->log()->set_level (log_level);
 375                         film->set_name (boost::filesystem::path (d->get_path()).filename().generic_string());
 376                         set_film ();
 377                 }
 378
 379                 d->Destroy ();
 380         }
 381
 382         void file_open ()
 383         {
 384                 wxDirDialog* c = new wxDirDialog (
 385                         this,
 386                         _("Select film to open"),
 387                         std_to_wx (Config::instance()->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()),
 388                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 389                         );
 390
 391                 int r;
 392                 while (1) {
 393                         r = c->ShowModal ();
 394                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 395                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 396                         } else {
 397                                 break;
 398                         }
 399                 }
 400
 401                 if (r == wxID_OK) {
 402                         maybe_save_then_delete_film ();
 403                         try {
 404                                 film.reset (new Film (wx_to_std (c->GetPath ())));
 405                                 film->read_metadata ();
 406                                 film->log()->set_level (log_level);
 407                                 set_film ();
 408                         } catch (std::exception& e) {
 409                                 wxString p = c->GetPath ();
 410                                 wxCharBuffer b = p.ToUTF8 ();
 411                                 error_dialog (this, wxString::Format (_("Could not open film at %s (%s)"), p.data(), std_to_wx (e.what()).data()));
 412                         }
 413                 }
 414
 415                 c->Destroy ();
 416         }
 417
 418         void file_save ()
 419         {
 420                 film->write_metadata ();
 421         }
 422
 423         void file_properties ()
 424         {
 425                 PropertiesDialog* d = new PropertiesDialog (this, film);
 426                 d->ShowModal ();
 427                 d->Destroy ();
 428         }
 429
 430         void file_exit ()
 431         {
 432                 Close (true);
 433         }
 434
 435         void edit_preferences ()
 436         {
 437                 ConfigDialog* d = new ConfigDialog (this);
 438                 d->ShowModal ();
 439                 d->Destroy ();
 440                 Config::instance()->write ();
 441         }
 442
 443         void jobs_make_dcp ()
 444         {
 445                 double required;
 446                 double available;
 447
 448                 if (!film->should_be_enough_disk_space (required, available)) {
 449                         if (!confirm_dialog (this, wxString::Format (_("The DCP for this film will take up about %.1f Gb, and the disk that you are using only has %.1f Gb available.  Do you want to continue anyway?"), required, available))) {
 450                                 return;
 451                         }
 452                 }
 453
 454                 JobWrapper::make_dcp (this, film);
 455         }
 456
 457         void jobs_make_kdms ()
 458         {
 459                 if (!film) {
 460                         return;
 461                 }
 462
 463                 KDMDialog* d = new KDMDialog (this, film);
 464                 if (d->ShowModal () != wxID_OK) {
 465                         d->Destroy ();
 466                         return;
 467                 }
 468
 469                 try {
 470                         if (d->write_to ()) {
 471                                 write_kdm_files (film, d->screens (), d->dcp (), d->from (), d->until (), d->directory ());
 472                         } else {
 473                                 JobManager::instance()->add (
 474                                         shared_ptr<Job> (new SendKDMEmailJob (film, d->screens (), d->dcp (), d->from (), d->until ()))
 475                                         );
 476                         }
 477                 } catch (exception& e) {
 478                         error_dialog (this, e.what ());
 479                 } catch (...) {
 480                         error_dialog (this, _("An unknown exeception occurred."));
 481                 }
 482
 483                 d->Destroy ();
 484         }
 485
 486         void jobs_send_dcp_to_tms ()
 487         {
 488                 film->send_dcp_to_tms ();
 489         }
 490
 491         void jobs_show_dcp ()
 492         {
 493 #ifdef __WXMSW__
 494                 string d = film->directory().string ();
 495                 wstring w;
 496                 w.assign (d.begin(), d.end());
 497                 ShellExecute (0, L"open", w.c_str(), 0, 0, SW_SHOWDEFAULT);
 498 #else
 499                 int r = system ("which nautilus");
 500                 if (WEXITSTATUS (r) == 0) {
 501                         r = system (string ("nautilus " + film->directory().string()).c_str ());
 502                         if (WEXITSTATUS (r)) {
 503                                 error_dialog (this, _("Could not show DCP (could not run nautilus)"));
 504                         }
 505                 } else {
 506                         int r = system ("which konqueror");
 507                         if (WEXITSTATUS (r) == 0) {
 508                                 r = system (string ("konqueror " + film->directory().string()).c_str ());
 509                                 if (WEXITSTATUS (r)) {
 510                                         error_dialog (this, _("Could not show DCP (could not run konqueror)"));
 511                                 }
 512                         }
 513                 }
 514 #endif
 515         }
 516
 517         void tools_hints ()
 518         {
 519                 if (!_hints_dialog) {
 520                         _hints_dialog = new HintsDialog (this, film);
 521                 }
 522
 523                 _hints_dialog->Show ();
 524         }
 525
 526         void tools_encoding_servers ()
 527         {
 528                 if (!_servers_list_dialog) {
 529                         _servers_list_dialog = new ServersListDialog (this);
 530                 }
 531
 532                 _servers_list_dialog->Show ();
 533         }
 534
 535         void tools_check_for_updates ()
 536         {
 537                 UpdateChecker::instance()->run ();
 538         }
 539
 540         void help_about ()
 541         {
 542                 AboutDialog* d = new AboutDialog (this);
 543                 d->ShowModal ();
 544                 d->Destroy ();
 545         }
 546
 547         bool should_close ()
 548         {
 549                 if (!JobManager::instance()->work_to_do ()) {
 550                         return true;
 551                 }
 552
 553                 wxMessageDialog* d = new wxMessageDialog (
 554                         0,
 555                         _("There are unfinished jobs; are you sure you want to quit?"),
 556                         _("Unfinished jobs"),
 557                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
 558                         );
 559
 560                 bool const r = d->ShowModal() == wxID_YES;
 561                 d->Destroy ();
 562                 return r;
 563         }
 564
 565         void close (wxCloseEvent& ev)
 566         {
 567                 if (!should_close ()) {
 568                         ev.Veto ();
 569                         return;
 570                 }
 571
 572                 maybe_save_then_delete_film ();
 573
 574                 ev.Skip ();
 575         }
 576
 577         HintsDialog* _hints_dialog;
 578         ServersListDialog* _servers_list_dialog;
 579 };
 580
 581 static const wxCmdLineEntryDesc command_line_description[] = {
 582         { wxCMD_LINE_OPTION, "l", "log", "set log level (silent, verbose or timing)", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 583         { wxCMD_LINE_SWITCH, "n", "new", "create new film", wxCMD_LINE_VAL_NONE, wxCMD_LINE_PARAM_OPTIONAL },
 584         { wxCMD_LINE_PARAM, 0, 0, "film to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_MULTIPLE | wxCMD_LINE_PARAM_OPTIONAL },
 585         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 586 };
 587
 588 class App : public wxApp
 589 {
 590         bool OnInit ()
 591         try
 592         {
 593                 SetAppName (_("DCP-o-matic"));
 594
 595                 if (!wxApp::OnInit()) {
 596                         return false;
 597                 }
 598
 599 #ifdef DCPOMATIC_LINUX
 600                 unsetenv ("UBUNTU_MENUPROXY");
 601 #endif
 602
 603 #ifdef __WXOSX__
 604                 ProcessSerialNumber serial;
 605                 GetCurrentProcess (&serial);
 606                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 607 #endif
 608
 609                 wxInitAllImageHandlers ();
 610
 611                 /* Enable i18n; this will create a Config object
 612                    to look for a force-configured language.  This Config
 613                    object will be wrong, however, because dcpomatic_setup
 614                    hasn't yet been called and there aren't any scalers, filters etc.
 615                    set up yet.
 616                 */
 617                 dcpomatic_setup_i18n ();
 618
 619                 /* Set things up, including scalers / filters etc.
 620                    which will now be internationalised correctly.
 621                 */
 622                 dcpomatic_setup ();
 623
 624                 /* Force the configuration to be re-loaded correctly next
 625                    time it is needed.
 626                 */
 627                 Config::drop ();
 628
 629                 if (!film_to_load.empty() && boost::filesystem::is_directory (film_to_load)) {
 630                         try {
 631                                 film.reset (new Film (film_to_load));
 632                                 film->read_metadata ();
 633                                 film->log()->set_level (log_level);
 634                         } catch (exception& e) {
 635                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load film %1 (%2)")), film_to_load, e.what())));
 636                         }
 637                 }
 638
 639                 if (!film_to_create.empty ()) {
 640                         film.reset (new Film (film_to_create));
 641                         film->write_metadata ();
 642                         film->log()->set_level (log_level);
 643                         film->set_name (boost::filesystem::path (film_to_create).filename().generic_string ());
 644                 }
 645
 646                 _frame = new Frame (_("DCP-o-matic"));
 647                 SetTopWindow (_frame);
 648                 _frame->Maximize ();
 649                 _frame->Show ();
 650
 651                 ui_signaller = new wxUISignaller (this);
 652                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 653
 654                 Bind (wxEVT_TIMER, boost::bind (&App::check, this));
 655                 _timer.reset (new wxTimer (this));
 656                 _timer->Start (1000);
 657
 658                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&App::update_checker_state_changed, this));
 659                 if (Config::instance()->check_for_updates ()) {
 660                         UpdateChecker::instance()->run ();
 661                 }
 662
 663                 return true;
 664         }
 665         catch (exception& e)
 666         {
 667                 error_dialog (0, wxString::Format ("DCP-o-matic could not start: %s", e.what ()));
 668                 return true;
 669         }
 670
 671         void OnInitCmdLine (wxCmdLineParser& parser)
 672         {
 673                 parser.SetDesc (command_line_description);
 674                 parser.SetSwitchChars (wxT ("-"));
 675         }
 676
 677         bool OnCmdLineParsed (wxCmdLineParser& parser)
 678         {
 679                 if (parser.GetParamCount() > 0) {
 680                         if (parser.Found (wxT ("new"))) {
 681                                 film_to_create = wx_to_std (parser.GetParam (0));
 682                         } else {
 683                                 film_to_load = wx_to_std (parser.GetParam(0));
 684                         }
 685                 }
 686
 687                 wxString log;
 688                 if (parser.Found (wxT ("log"), &log)) {
 689                         log_level = wx_to_std (log);
 690                 }
 691
 692                 return true;
 693         }
 694
 695         void idle ()
 696         {
 697                 ui_signaller->ui_idle ();
 698         }
 699
 700         void check ()
 701         {
 702                 try {
 703                         ServerFinder::instance()->rethrow ();
 704                 } catch (exception& e) {
 705                         error_dialog (0, std_to_wx (e.what ()));
 706                 }
 707         }
 708
 709         void update_checker_state_changed ()
 710         {
 711                 switch (UpdateChecker::instance()->state ()) {
 712                 case UpdateChecker::YES:
 713                 {
 714                         string test;
 715                         if (Config::instance()->check_for_test_updates ()) {
 716                                 test = UpdateChecker::instance()->test ();
 717                         }
 718                         UpdateDialog* dialog = new UpdateDialog (_frame, UpdateChecker::instance()->stable (), test);
 719                         dialog->ShowModal ();
 720                         dialog->Destroy ();
 721                         break;
 722                 }
 723                 case UpdateChecker::NO:
 724                         if (!UpdateChecker::instance()->last_emit_was_first ()) {
 725                                 error_dialog (_frame, _("There are no new versions of DCP-o-matic available."));
 726                         }
 727                         break;
 728                 case UpdateChecker::FAILED:
 729                         if (!UpdateChecker::instance()->last_emit_was_first ()) {
 730                                 error_dialog (_frame, _("The DCP-o-matic download server could not be contacted."));
 731                         }
 732                 default:
 733                         break;
 734                 }
 735         }
 736
 737         wxFrame* _frame;
 738         shared_ptr<wxTimer> _timer;
 739 };
 740
 741 IMPLEMENT_APP (App)