src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2018 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/wx_signal_manager.h"
  22 #include "wx/wx_util.h"
  23 #include "wx/about_dialog.h"
  24 #include "wx/report_problem_dialog.h"
  25 #include "wx/film_viewer.h"
  26 #include "wx/player_information.h"
  27 #include "wx/update_dialog.h"
  28 #include "wx/player_config_dialog.h"
  29 #include "wx/verify_dcp_dialog.h"
  30 #include "wx/controls.h"
  31 #include "wx/cinema_player_dialog.h"
  32 #include "lib/cross.h"
  33 #include "lib/config.h"
  34 #include "lib/util.h"
  35 #include "lib/update_checker.h"
  36 #include "lib/compose.hpp"
  37 #include "lib/dcp_content.h"
  38 #include "lib/job_manager.h"
  39 #include "lib/job.h"
  40 #include "lib/film.h"
  41 #include "lib/video_content.h"
  42 #include "lib/text_content.h"
  43 #include "lib/ratio.h"
  44 #include "lib/verify_dcp_job.h"
  45 #include "lib/dcp_examiner.h"
  46 #include "lib/examine_content_job.h"
  47 #include "lib/server.h"
  48 #include "lib/dcpomatic_socket.h"
  49 #include <wx/wx.h>
  50 #include <wx/stdpaths.h>
  51 #include <wx/splash.h>
  52 #include <wx/cmdline.h>
  53 #include <wx/preferences.h>
  54 #include <wx/progdlg.h>
  55 #include <wx/display.h>
  56 #ifdef __WXOSX__
  57 #include <ApplicationServices/ApplicationServices.h>
  58 #endif
  59 #include <boost/bind.hpp>
  60 #include <iostream>
  61
  62 #ifdef check
  63 #undef check
  64 #endif
  65
  66 #define MAX_CPLS 32
  67
  68 using std::string;
  69 using std::cout;
  70 using std::list;
  71 using std::exception;
  72 using std::vector;
  73 using boost::shared_ptr;
  74 using boost::scoped_array;
  75 using boost::optional;
  76 using boost::dynamic_pointer_cast;
  77 using boost::thread;
  78 using boost::bind;
  79
  80 enum {
  81         ID_file_open = 1,
  82         ID_file_add_ov,
  83         ID_file_add_kdm,
  84         ID_file_history,
  85         /* Allow spare IDs after _history for the recent files list */
  86         ID_file_close = 100,
  87         ID_view_cpl,
  88         /* Allow spare IDs for CPLs */
  89         ID_view_full_screen = 200,
  90         ID_view_dual_screen,
  91         ID_view_closed_captions,
  92         ID_view_scale_appropriate,
  93         ID_view_scale_full,
  94         ID_view_scale_half,
  95         ID_view_scale_quarter,
  96         ID_help_report_a_problem,
  97         ID_tools_verify,
  98         ID_tools_check_for_updates,
  99         /* IDs for shortcuts (with no associated menu item) */
 100         ID_start_stop,
 101         ID_back_frame,
 102         ID_forward_frame
 103 };
 104
 105 class DOMFrame : public wxFrame
 106 {
 107 public:
 108         DOMFrame ()
 109                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 110                 , _update_news_requested (false)
 111                 , _info (0)
 112                 , _mode (Config::instance()->player_mode())
 113                 , _config_dialog (0)
 114                 , _cinema_dialog (0)
 115                 , _file_menu (0)
 116                 , _history_items (0)
 117                 , _history_position (0)
 118                 , _history_separator (0)
 119         {
 120
 121 #if defined(DCPOMATIC_WINDOWS)
 122                 maybe_open_console ();
 123                 cout << "DCP-o-matic Player is starting." << "\n";
 124 #endif
 125
 126                 wxMenuBar* bar = new wxMenuBar;
 127                 setup_menu (bar);
 128                 set_menu_sensitivity ();
 129                 SetMenuBar (bar);
 130
 131 #ifdef DCPOMATIC_WINDOWS
 132                 SetIcon (wxIcon (std_to_wx ("id")));
 133 #endif
 134
 135                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this));
 136                 config_changed ();
 137
 138                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 139                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 140                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 141                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 142                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 143                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 144                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 145                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 146                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 147                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 148                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 149                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 150                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 151                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 152                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 153                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 154                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 155                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 156
 157                 /* Use a panel as the only child of the Frame so that we avoid
 158                    the dark-grey background on Windows.
 159                 */
 160                 _overall_panel = new wxPanel (this, wxID_ANY);
 161
 162                 _viewer.reset (new FilmViewer (_overall_panel));
 163                 _controls = new Controls (_overall_panel, _viewer);
 164                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 165                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 166                 _info = new PlayerInformation (_overall_panel, _viewer);
 167                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 168                 main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 169                 main_sizer->Add (_controls, 0, wxEXPAND | wxALL, 6);
 170                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 171                 _overall_panel->SetSizer (main_sizer);
 172
 173 #ifdef __WXOSX__
 174                 int accelerators = 4;
 175 #else
 176                 int accelerators = 3;
 177 #endif
 178
 179                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 180                 accel[0].Set(wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
 181                 accel[1].Set(wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
 182                 accel[2].Set(wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
 183 #ifdef __WXOSX__
 184                 accel[3].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 185 #endif
 186                 wxAcceleratorTable accel_table (accelerators, accel);
 187                 SetAcceleratorTable (accel_table);
 188                 delete[] accel;
 189
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::start_stop_pressed, this), ID_start_stop);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
 192                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
 193
 194                 _cinema_dialog = new CinemaPlayerDialog (this, _viewer);
 195
 196                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 197
 198                 setup_screen ();
 199         }
 200
 201         bool playback_permitted ()
 202         {
 203                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 204                         return true;
 205                 }
 206
 207                 bool ok = true;
 208                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 209                         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
 210                         if (d && !d->kdm_timing_window_valid()) {
 211                                 ok = false;
 212                         }
 213                 }
 214
 215                 if (!ok) {
 216                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 217                 }
 218
 219                 return ok;
 220         }
 221
 222         void set_decode_reduction (optional<int> reduction)
 223         {
 224                 _viewer->set_dcp_decode_reduction (reduction);
 225                 _info->triggered_update ();
 226                 Config::instance()->set_decode_reduction (reduction);
 227         }
 228
 229         void load_dcp (boost::filesystem::path dir)
 230         {
 231                 _film.reset (new Film (optional<boost::filesystem::path>()));
 232                 shared_ptr<DCPContent> dcp;
 233                 try {
 234                         dcp.reset (new DCPContent (_film, dir));
 235                 } catch (boost::filesystem::filesystem_error& e) {
 236                         error_dialog (this, _("Could not load DCP"), std_to_wx (e.what()));
 237                         return;
 238                 }
 239
 240                 _film->examine_and_add_content (dcp, true);
 241                 bool const ok = progress (_("Loading DCP"));
 242                 if (!ok || !report_errors_from_last_job()) {
 243                         return;
 244                 }
 245
 246                 setup_from_dcp (dcp);
 247
 248                 if (dcp->three_d()) {
 249                         _film->set_three_d (true);
 250                 }
 251
 252                 _viewer->set_film (_film);
 253                 _viewer->seek (DCPTime(), true);
 254                 _info->triggered_update ();
 255
 256                 Config::instance()->add_to_player_history (dir);
 257
 258                 set_menu_sensitivity ();
 259
 260                 wxMenuItemList old = _cpl_menu->GetMenuItems();
 261                 for (wxMenuItemList::iterator i = old.begin(); i != old.end(); ++i) {
 262                         _cpl_menu->Remove (*i);
 263                 }
 264
 265                 DCPExaminer ex (dcp);
 266                 int id = ID_view_cpl;
 267                 BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 268                         wxMenuItem* j = _cpl_menu->AppendRadioItem(
 269                                 id,
 270                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text()).data(), std_to_wx(i->id()).data())
 271                                 );
 272                         j->Check(!dcp->cpl() || i->id() == *dcp->cpl());
 273                         ++id;
 274                 }
 275         }
 276
 277 private:
 278
 279         void setup_menu (wxMenuBar* m)
 280         {
 281                 _file_menu = new wxMenu;
 282                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 283                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 284                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("&Add KDM..."));
 285
 286                 _history_position = _file_menu->GetMenuItems().GetCount();
 287
 288                 _file_menu->AppendSeparator ();
 289                 _file_menu->Append (ID_file_close, _("&Close"));
 290                 _file_menu->AppendSeparator ();
 291
 292 #ifdef __WXOSX__
 293                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 294 #else
 295                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 296 #endif
 297
 298 #ifdef __WXOSX__
 299                 _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 300 #else
 301                 wxMenu* edit = new wxMenu;
 302                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 303 #endif
 304
 305                 _cpl_menu = new wxMenu;
 306
 307                 wxMenu* view = new wxMenu;
 308                 optional<int> c = Config::instance()->decode_reduction();
 309                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 310                 view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"))->Check(_mode == Config::PLAYER_MODE_FULL);
 311                 view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"))->Check(_mode == Config::PLAYER_MODE_DUAL);
 312                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 313                 view->AppendSeparator();
 314                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 315                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 316                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 317                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 318
 319                 wxMenu* tools = new wxMenu;
 320                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 321                 tools->AppendSeparator ();
 322                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 323
 324                 wxMenu* help = new wxMenu;
 325 #ifdef __WXOSX__
 326                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 327 #else
 328                 help->Append (wxID_ABOUT, _("About"));
 329 #endif
 330                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 331
 332                 m->Append (_file_menu, _("&File"));
 333 #ifndef __WXOSX__
 334                 m->Append (edit, _("&Edit"));
 335 #endif
 336                 m->Append (view, _("&View"));
 337                 m->Append (tools, _("&Tools"));
 338                 m->Append (help, _("&Help"));
 339         }
 340
 341         void file_open ()
 342         {
 343                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 344                 if (Config::instance()->last_player_load_directory()) {
 345                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 346                 }
 347
 348                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 349
 350                 int r;
 351                 while (true) {
 352                         r = c->ShowModal ();
 353                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 354                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 355                         } else {
 356                                 break;
 357                         }
 358                 }
 359
 360                 if (r == wxID_OK) {
 361                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 362                         load_dcp (dcp);
 363                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 364                 }
 365
 366                 c->Destroy ();
 367         }
 368
 369         void file_add_ov ()
 370         {
 371                 wxDirDialog* c = new wxDirDialog (
 372                         this,
 373                         _("Select DCP to open as OV"),
 374                         wxStandardPaths::Get().GetDocumentsDir(),
 375                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 376                         );
 377
 378                 int r;
 379                 while (true) {
 380                         r = c->ShowModal ();
 381                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 382                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 383                         } else {
 384                                 break;
 385                         }
 386                 }
 387
 388                 if (r == wxID_OK) {
 389                         DCPOMATIC_ASSERT (_film);
 390                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 391                         DCPOMATIC_ASSERT (dcp);
 392                         dcp->add_ov (wx_to_std(c->GetPath()));
 393                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 394                         bool const ok = progress (_("Loading DCP"));
 395                         if (!ok || !report_errors_from_last_job()) {
 396                                 return;
 397                         }
 398                         setup_from_dcp (dcp);
 399                 }
 400
 401                 c->Destroy ();
 402                 _info->triggered_update ();
 403         }
 404
 405         void file_add_kdm ()
 406         {
 407                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 408
 409                 if (d->ShowModal() == wxID_OK) {
 410                         DCPOMATIC_ASSERT (_film);
 411                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 412                         DCPOMATIC_ASSERT (dcp);
 413                         try {
 414                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
 415                                 dcp->examine (shared_ptr<Job>());
 416                         } catch (exception& e) {
 417                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 418                                 d->Destroy ();
 419                                 return;
 420                         }
 421                 }
 422
 423                 d->Destroy ();
 424                 _info->triggered_update ();
 425         }
 426
 427         void file_history (wxCommandEvent& event)
 428         {
 429                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 430                 int n = event.GetId() - ID_file_history;
 431                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 432                         load_dcp (history[n]);
 433                 }
 434         }
 435
 436         void file_close ()
 437         {
 438                 _viewer->set_film (shared_ptr<Film>());
 439                 _film.reset ();
 440                 _info->triggered_update ();
 441                 set_menu_sensitivity ();
 442         }
 443
 444         void file_exit ()
 445         {
 446                 Close ();
 447         }
 448
 449         void edit_preferences ()
 450         {
 451                 if (!_config_dialog) {
 452                         _config_dialog = create_player_config_dialog ();
 453                 }
 454                 _config_dialog->Show (this);
 455         }
 456
 457         void view_cpl (wxCommandEvent& ev)
 458         {
 459                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 460                 DCPOMATIC_ASSERT (dcp);
 461                 DCPExaminer ex (dcp);
 462                 int id = ev.GetId() - ID_view_cpl;
 463                 DCPOMATIC_ASSERT (id >= 0);
 464                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 465                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 466                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 467                 while (id > 0) {
 468                         ++i;
 469                         --id;
 470                 }
 471
 472                 dcp->set_cpl ((*i)->id());
 473                 dcp->examine (shared_ptr<Job>());
 474         }
 475
 476         void view_full_screen ()
 477         {
 478                 if (_mode == Config::PLAYER_MODE_FULL) {
 479                         _mode = Config::PLAYER_MODE_WINDOW;
 480                 } else {
 481                         _mode = Config::PLAYER_MODE_FULL;
 482                 }
 483                 setup_screen ();
 484         }
 485
 486         void view_dual_screen ()
 487         {
 488                 if (_mode == Config::PLAYER_MODE_DUAL) {
 489                         _mode = Config::PLAYER_MODE_WINDOW;
 490                 } else {
 491                         _mode = Config::PLAYER_MODE_DUAL;
 492                 }
 493                 setup_screen ();
 494         }
 495
 496         void setup_screen ()
 497         {
 498                 _controls->Show (_mode == Config::PLAYER_MODE_WINDOW);
 499                 _info->Show (_mode == Config::PLAYER_MODE_WINDOW);
 500                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_WINDOW ? wxNullColour : wxColour(0, 0, 0));
 501                 ShowFullScreen (_mode != Config::PLAYER_MODE_WINDOW);
 502                 if (_mode == Config::PLAYER_MODE_DUAL) {
 503                         _cinema_dialog->Show ();
 504                         if (wxDisplay::GetCount() > 1) {
 505                                 this->Move (0, 0);
 506                                 _cinema_dialog->Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 507                         }
 508                 }
 509         }
 510
 511         void view_closed_captions ()
 512         {
 513                 _viewer->show_closed_captions ();
 514         }
 515
 516         void tools_verify ()
 517         {
 518                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 519                 DCPOMATIC_ASSERT (dcp);
 520
 521                 JobManager* jm = JobManager::instance ();
 522                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 523                 bool const ok = progress (_("Verifying DCP"));
 524                 if (!ok) {
 525                         return;
 526                 }
 527
 528                 DCPOMATIC_ASSERT (!jm->get().empty());
 529                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 530                 DCPOMATIC_ASSERT (last);
 531
 532                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last);
 533                 d->ShowModal ();
 534                 d->Destroy ();
 535         }
 536
 537         void tools_check_for_updates ()
 538         {
 539                 UpdateChecker::instance()->run ();
 540                 _update_news_requested = true;
 541         }
 542
 543         void help_about ()
 544         {
 545                 AboutDialog* d = new AboutDialog (this);
 546                 d->ShowModal ();
 547                 d->Destroy ();
 548         }
 549
 550         void help_report_a_problem ()
 551         {
 552                 ReportProblemDialog* d = new ReportProblemDialog (this);
 553                 if (d->ShowModal () == wxID_OK) {
 554                         d->report ();
 555                 }
 556                 d->Destroy ();
 557         }
 558
 559         void update_checker_state_changed ()
 560         {
 561                 UpdateChecker* uc = UpdateChecker::instance ();
 562
 563                 bool const announce =
 564                         _update_news_requested ||
 565                         (uc->stable() && Config::instance()->check_for_updates()) ||
 566                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 567
 568                 _update_news_requested = false;
 569
 570                 if (!announce) {
 571                         return;
 572                 }
 573
 574                 if (uc->state() == UpdateChecker::YES) {
 575                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 576                         dialog->ShowModal ();
 577                         dialog->Destroy ();
 578                 } else if (uc->state() == UpdateChecker::FAILED) {
 579                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 580                 } else {
 581                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 582                 }
 583
 584                 _update_news_requested = false;
 585         }
 586
 587         void config_changed ()
 588         {
 589                 /* Instantly save any config changes when using the player GUI */
 590                 try {
 591                         Config::instance()->write_config();
 592                 } catch (exception& e) {
 593                         error_dialog (
 594                                 this,
 595                                 wxString::Format (
 596                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 597                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 598                                         )
 599                                 );
 600                 }
 601
 602                 for (int i = 0; i < _history_items; ++i) {
 603                         delete _file_menu->Remove (ID_file_history + i);
 604                 }
 605
 606                 if (_history_separator) {
 607                         _file_menu->Remove (_history_separator);
 608                 }
 609                 delete _history_separator;
 610                 _history_separator = 0;
 611
 612                 int pos = _history_position;
 613
 614                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 615
 616                 if (!history.empty ()) {
 617                         _history_separator = _file_menu->InsertSeparator (pos++);
 618                 }
 619
 620                 for (size_t i = 0; i < history.size(); ++i) {
 621                         string s;
 622                         if (i < 9) {
 623                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 624                         } else {
 625                                 s = history[i].string();
 626                         }
 627                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 628                 }
 629
 630                 _history_items = history.size ();
 631         }
 632
 633         void set_menu_sensitivity ()
 634         {
 635                 _tools_verify->Enable (static_cast<bool>(_film));
 636                 _file_add_ov->Enable (static_cast<bool>(_film));
 637                 _file_add_kdm->Enable (static_cast<bool>(_film));
 638                 _view_cpl->Enable (static_cast<bool>(_film));
 639         }
 640
 641         void start_stop_pressed ()
 642         {
 643                 if (_viewer->playing()) {
 644                         _viewer->stop();
 645                 } else {
 646                         _viewer->start();
 647                 }
 648         }
 649
 650         void back_frame ()
 651         {
 652                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 653         }
 654
 655         void forward_frame ()
 656         {
 657                 _viewer->seek_by (_viewer->one_video_frame(), true);
 658         }
 659
 660 private:
 661
 662         /** @return false if the task was cancelled */
 663         bool progress (wxString task)
 664         {
 665                 JobManager* jm = JobManager::instance ();
 666
 667                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), task, 100, 0, wxPD_CAN_ABORT);
 668
 669                 bool ok = true;
 670
 671                 while (jm->work_to_do() || signal_manager->ui_idle()) {
 672                         dcpomatic_sleep (1);
 673                         if (!progress->Pulse()) {
 674                                 /* user pressed cancel */
 675                                 BOOST_FOREACH (shared_ptr<Job> i, jm->get()) {
 676                                         i->cancel();
 677                                 }
 678                                 ok = false;
 679                                 break;
 680                         }
 681                 }
 682
 683                 progress->Destroy ();
 684                 return ok;
 685         }
 686
 687         bool report_errors_from_last_job ()
 688         {
 689                 JobManager* jm = JobManager::instance ();
 690
 691                 DCPOMATIC_ASSERT (!jm->get().empty());
 692
 693                 shared_ptr<Job> last = jm->get().back();
 694                 if (last->finished_in_error()) {
 695                         error_dialog(this, std_to_wx(last->error_summary()) + ".\n", std_to_wx(last->error_details()));
 696                         return false;
 697                 }
 698
 699                 return true;
 700         }
 701
 702         void setup_from_dcp (shared_ptr<DCPContent> dcp)
 703         {
 704                 BOOST_FOREACH (shared_ptr<TextContent> i, dcp->text) {
 705                         i->set_use (true);
 706                 }
 707
 708                 if (dcp->video) {
 709                         Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 710                         if (r) {
 711                                 _film->set_container(r);
 712                         }
 713                 }
 714         }
 715
 716         bool _update_news_requested;
 717         PlayerInformation* _info;
 718         Config::PlayerMode _mode;
 719         wxPreferencesEditor* _config_dialog;
 720         CinemaPlayerDialog* _cinema_dialog;
 721         wxPanel* _overall_panel;
 722         wxMenu* _file_menu;
 723         wxMenuItem* _view_cpl;
 724         wxMenu* _cpl_menu;
 725         int _history_items;
 726         int _history_position;
 727         wxMenuItem* _history_separator;
 728         shared_ptr<FilmViewer> _viewer;
 729         Controls* _controls;
 730         boost::shared_ptr<Film> _film;
 731         boost::signals2::scoped_connection _config_changed_connection;
 732         wxMenuItem* _file_add_ov;
 733         wxMenuItem* _file_add_kdm;
 734         wxMenuItem* _tools_verify;
 735 };
 736
 737 static const wxCmdLineEntryDesc command_line_description[] = {
 738         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 739         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 740 };
 741
 742 class PlayServer : public Server
 743 {
 744 public:
 745         explicit PlayServer (DOMFrame* frame)
 746                 : Server (PLAYER_PLAY_PORT)
 747                 , _frame (frame)
 748         {}
 749
 750         void handle (shared_ptr<Socket> socket)
 751         {
 752                 try {
 753                         int const length = socket->read_uint32 ();
 754                         scoped_array<char> buffer (new char[length]);
 755                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
 756                         string s (buffer.get());
 757                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
 758                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
 759                 } catch (...) {
 760
 761                 }
 762         }
 763
 764 private:
 765         DOMFrame* _frame;
 766 };
 767
 768 /** @class App
 769  *  @brief The magic App class for wxWidgets.
 770  */
 771 class App : public wxApp
 772 {
 773 public:
 774         App ()
 775                 : wxApp ()
 776                 , _frame (0)
 777         {}
 778
 779 private:
 780
 781         bool OnInit ()
 782         try
 783         {
 784                 wxInitAllImageHandlers ();
 785
 786                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 787                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 788
 789                 wxSplashScreen* splash = maybe_show_splash ();
 790
 791                 SetAppName (_("DCP-o-matic Player"));
 792
 793                 if (!wxApp::OnInit()) {
 794                         return false;
 795                 }
 796
 797 #ifdef DCPOMATIC_LINUX
 798                 unsetenv ("UBUNTU_MENUPROXY");
 799 #endif
 800
 801 #ifdef __WXOSX__
 802                 ProcessSerialNumber serial;
 803                 GetCurrentProcess (&serial);
 804                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 805 #endif
 806
 807                 dcpomatic_setup_path_encoding ();
 808
 809                 /* Enable i18n; this will create a Config object
 810                    to look for a force-configured language.  This Config
 811                    object will be wrong, however, because dcpomatic_setup
 812                    hasn't yet been called and there aren't any filters etc.
 813                    set up yet.
 814                 */
 815                 dcpomatic_setup_i18n ();
 816
 817                 /* Set things up, including filters etc.
 818                    which will now be internationalised correctly.
 819                 */
 820                 dcpomatic_setup ();
 821
 822                 /* Force the configuration to be re-loaded correctly next
 823                    time it is needed.
 824                 */
 825                 Config::drop ();
 826
 827                 _frame = new DOMFrame ();
 828                 SetTopWindow (_frame);
 829                 _frame->Maximize ();
 830                 if (splash) {
 831                         splash->Destroy ();
 832                 }
 833                 _frame->Show ();
 834
 835                 signal_manager = new wxSignalManager (this);
 836
 837                 PlayServer* server = new PlayServer (_frame);
 838                 new thread (boost::bind (&PlayServer::run, server));
 839
 840                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
 841                         try {
 842                                 _frame->load_dcp (_dcp_to_load);
 843                         } catch (exception& e) {
 844                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
 845                         }
 846                 }
 847
 848                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 849
 850                 if (Config::instance()->check_for_updates ()) {
 851                         UpdateChecker::instance()->run ();
 852                 }
 853
 854                 return true;
 855         }
 856         catch (exception& e)
 857         {
 858                 error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
 859                 return true;
 860         }
 861
 862         void OnInitCmdLine (wxCmdLineParser& parser)
 863         {
 864                 parser.SetDesc (command_line_description);
 865                 parser.SetSwitchChars (wxT ("-"));
 866         }
 867
 868         bool OnCmdLineParsed (wxCmdLineParser& parser)
 869         {
 870                 if (parser.GetParamCount() > 0) {
 871                         _dcp_to_load = wx_to_std (parser.GetParam (0));
 872                 }
 873
 874                 return true;
 875         }
 876
 877         void report_exception ()
 878         {
 879                 try {
 880                         throw;
 881                 } catch (FileError& e) {
 882                         error_dialog (
 883                                 0,
 884                                 wxString::Format (
 885                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 886                                         std_to_wx (e.what()),
 887                                         std_to_wx (e.file().string().c_str ())
 888                                         )
 889                                 );
 890                 } catch (exception& e) {
 891                         error_dialog (
 892                                 0,
 893                                 wxString::Format (
 894                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
 895                                         std_to_wx (e.what ())
 896                                         )
 897                                 );
 898                 } catch (...) {
 899                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 900                 }
 901         }
 902
 903         /* An unhandled exception has occurred inside the main event loop */
 904         bool OnExceptionInMainLoop ()
 905         {
 906                 report_exception ();
 907                 /* This will terminate the program */
 908                 return false;
 909         }
 910
 911         void OnUnhandledException ()
 912         {
 913                 report_exception ();
 914         }
 915
 916         void idle ()
 917         {
 918                 signal_manager->ui_idle ();
 919         }
 920
 921         void config_failed_to_load ()
 922         {
 923                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 924         }
 925
 926         void config_warning (string m)
 927         {
 928                 message_dialog (_frame, std_to_wx (m));
 929         }
 930
 931         DOMFrame* _frame;
 932         string _dcp_to_load;
 933 };
 934
 935 IMPLEMENT_APP (App)