src/tools/dcpomatic_kdm.cc

   1 /*
   2     Copyright (C) 2015-2019 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/full_config_dialog.h"
  22 #include "wx/about_dialog.h"
  23 #include "wx/report_problem_dialog.h"
  24 #include "wx/file_picker_ctrl.h"
  25 #include "wx/wx_util.h"
  26 #include "wx/wx_signal_manager.h"
  27 #include "wx/screens_panel.h"
  28 #include "wx/kdm_timing_panel.h"
  29 #include "wx/kdm_output_panel.h"
  30 #include "wx/job_view_dialog.h"
  31 #include "wx/file_dialog_wrapper.h"
  32 #include "wx/new_dkdm_folder_dialog.h"
  33 #include "wx/editable_list.h"
  34 #include "wx/static_text.h"
  35 #include "wx/dcpomatic_button.h"
  36 #include "wx/nag_dialog.h"
  37 #include "lib/config.h"
  38 #include "lib/util.h"
  39 #include "lib/screen.h"
  40 #include "lib/job_manager.h"
  41 #include "lib/kdm_with_metadata.h"
  42 #include "lib/exceptions.h"
  43 #include "lib/send_kdm_email_job.h"
  44 #include "lib/compose.hpp"
  45 #include "lib/cinema.h"
  46 #include "lib/dkdm_wrapper.h"
  47 #include "lib/cross.h"
  48 #include <dcp/encrypted_kdm.h>
  49 #include <dcp/decrypted_kdm.h>
  50 #include <dcp/exceptions.h>
  51 #include "lib/warnings.h"
  52 DCPOMATIC_DISABLE_WARNINGS
  53 #include <wx/wx.h>
  54 #include <wx/preferences.h>
  55 #include <wx/splash.h>
  56 #include <wx/filepicker.h>
  57 DCPOMATIC_ENABLE_WARNINGS
  58 #ifdef __WXOSX__
  59 #include <ApplicationServices/ApplicationServices.h>
  60 #endif
  61 #include <boost/bind/bind.hpp>
  62
  63 #ifdef check
  64 #undef check
  65 #endif
  66
  67 using std::exception;
  68 using std::list;
  69 using std::string;
  70 using std::vector;
  71 using std::pair;
  72 using std::map;
  73 using std::shared_ptr;
  74 using boost::bind;
  75 using boost::optional;
  76 using boost::ref;
  77 using std::dynamic_pointer_cast;
  78 #if BOOST_VERSION >= 106100
  79 using namespace boost::placeholders;
  80 #endif
  81 using namespace dcpomatic;
  82
  83 enum {
  84         ID_help_report_a_problem = 1,
  85 };
  86
  87 class DOMFrame : public wxFrame
  88 {
  89 public:
  90         explicit DOMFrame (wxString const & title)
  91                 : wxFrame (0, -1, title)
  92                 , _config_dialog (0)
  93                 , _job_view (0)
  94         {
  95 #if defined(DCPOMATIC_WINDOWS)
  96                 if (Config::instance()->win32_console ()) {
  97                         AllocConsole();
  98
  99                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 100                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 101                         FILE* hf_out = _fdopen(hCrt, "w");
 102                         setvbuf(hf_out, NULL, _IONBF, 1);
 103                         *stdout = *hf_out;
 104
 105                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 106                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 107                         FILE* hf_in = _fdopen(hCrt, "r");
 108                         setvbuf(hf_in, NULL, _IONBF, 128);
 109                         *stdin = *hf_in;
 110
 111                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 112                 }
 113 #endif
 114
 115                 wxMenuBar* bar = new wxMenuBar;
 116                 setup_menu (bar);
 117                 SetMenuBar (bar);
 118
 119                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 120                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 121                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 122                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 123
 124                 /* Use a panel as the only child of the Frame so that we avoid
 125                    the dark-grey background on Windows.
 126                 */
 127                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 128                 wxBoxSizer* main_sizer = new wxBoxSizer (wxHORIZONTAL);
 129
 130                 wxBoxSizer* horizontal = new wxBoxSizer (wxHORIZONTAL);
 131                 wxBoxSizer* left = new wxBoxSizer (wxVERTICAL);
 132                 wxBoxSizer* right = new wxBoxSizer (wxVERTICAL);
 133
 134                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 135                 horizontal->Add (right, 1, wxEXPAND);
 136
 137                 wxFont subheading_font (*wxNORMAL_FONT);
 138                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 139
 140                 wxStaticText* h = new StaticText (overall_panel, _("Screens"));
 141                 h->SetFont (subheading_font);
 142                 left->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 143                 _screens = new ScreensPanel (overall_panel);
 144                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 145
 146                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 147                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 148                 h->SetFont (subheading_font);
 149                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_Y_GAP * 2);
 150                 _timing = new KDMTimingPanel (overall_panel);
 151                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 152
 153                 h = new StaticText (overall_panel, _("DKDM"));
 154                 h->SetFont (subheading_font);
 155                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 156                 wxBoxSizer* dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 157                 _dkdm = new wxTreeCtrl (
 158                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 159                 );
 160                 dkdm_sizer->Add (_dkdm, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 161                 wxBoxSizer* dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 162                 _add_dkdm = new Button (overall_panel, _("Add..."));
 163                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 164                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 165                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 166                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 167                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 168                 _export_dkdm = new Button (overall_panel, _("Export..."));
 169                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 170                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 171                 right->Add (dkdm_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 172
 173                 add_dkdm_view (Config::instance()->dkdms());
 174
 175                 h = new StaticText (overall_panel, _("Output"));
 176                 h->SetFont (subheading_font);
 177                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 178                 /* XXX: hard-coded non-interop here */
 179                 _output = new KDMOutputPanel (overall_panel, false);
 180                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 181
 182                 _create = new Button (overall_panel, _("Create KDMs"));
 183                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 184
 185                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 186                 overall_panel->SetSizer (main_sizer);
 187
 188                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 189                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 190
 191                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 192                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 193                 _dkdm->Bind (wxEVT_TREE_SEL_CHANGED, boost::bind (&DOMFrame::setup_sensitivity, this));
 194                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 195                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 196                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 197                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 198                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 199                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 200
 201                 setup_sensitivity ();
 202         }
 203
 204 private:
 205         void file_exit ()
 206         {
 207                 /* false here allows the close handler to veto the close request */
 208                 Close (false);
 209         }
 210
 211         void edit_preferences ()
 212         {
 213                 if (!_config_dialog) {
 214                         _config_dialog = create_full_config_dialog ();
 215                 }
 216                 _config_dialog->Show (this);
 217         }
 218
 219         void help_about ()
 220         {
 221                 AboutDialog* d = new AboutDialog (this);
 222                 d->ShowModal ();
 223                 d->Destroy ();
 224         }
 225
 226         void help_report_a_problem ()
 227         {
 228                 ReportProblemDialog* d = new ReportProblemDialog (this, shared_ptr<Film> ());
 229                 if (d->ShowModal () == wxID_OK) {
 230                         d->report ();
 231                 }
 232                 d->Destroy ();
 233         }
 234
 235         void setup_menu (wxMenuBar* m)
 236         {
 237                 wxMenu* file = new wxMenu;
 238
 239 #ifdef __WXOSX__
 240                 file->Append (wxID_EXIT, _("&Exit"));
 241 #else
 242                 file->Append (wxID_EXIT, _("&Quit"));
 243 #endif
 244
 245 #ifdef __WXOSX__
 246                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 247 #else
 248                 wxMenu* edit = new wxMenu;
 249                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 250 #endif
 251
 252                 wxMenu* help = new wxMenu;
 253 #ifdef __WXOSX__
 254                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 255 #else
 256                 help->Append (wxID_ABOUT, _("About"));
 257 #endif
 258                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 259
 260                 m->Append (file, _("&File"));
 261 #ifndef __WXOSX__
 262                 m->Append (edit, _("&Edit"));
 263 #endif
 264                 m->Append (help, _("&Help"));
 265         }
 266
 267         bool confirm_overwrite (boost::filesystem::path path)
 268         {
 269                 return confirm_dialog (
 270                         this,
 271                         wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 272                         );
 273         }
 274
 275         /** @id if not 0 this is filled in with the wxTreeItemId of the selection */
 276         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = 0) const
 277         {
 278                 wxArrayTreeItemIds selections;
 279                 _dkdm->GetSelections (selections);
 280                 if (selections.GetCount() != 1) {
 281                         if (id) {
 282                                 *id = 0;
 283                         }
 284                         return shared_ptr<DKDMBase> ();
 285                 }
 286
 287                 if (id) {
 288                         *id = selections[0];
 289                 }
 290
 291                 DKDMMap::const_iterator i = _dkdm_id.find (selections[0]);
 292                 if (i == _dkdm_id.end()) {
 293                         return shared_ptr<DKDMBase> ();
 294                 }
 295
 296                 return i->second;
 297         }
 298
 299         void create_kdms ()
 300         {
 301                 try {
 302                         shared_ptr<DKDMBase> dkdm_base = selected_dkdm ();
 303                         if (!dkdm_base) {
 304                                 return;
 305                         }
 306
 307                         list<KDMWithMetadataPtr> kdms;
 308                         string title;
 309
 310                         shared_ptr<DKDM> dkdm = std::dynamic_pointer_cast<DKDM> (dkdm_base);
 311                         if (dkdm) {
 312
 313                                 /* Decrypt the DKDM */
 314                                 dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 315                                 title = decrypted.content_title_text ();
 316
 317                                 /* This is the signer for our new KDMs */
 318                                 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
 319                                 if (!signer->valid ()) {
 320                                         throw InvalidSignerError ();
 321                                 }
 322
 323                                 for (auto i: _screens->screens()) {
 324
 325                                         if (!i->recipient) {
 326                                                 continue;
 327                                         }
 328
 329                                         dcp::LocalTime begin(_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
 330                                         dcp::LocalTime end(_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
 331
 332                                         /* Make an empty KDM */
 333                                         dcp::DecryptedKDM kdm (
 334                                                 begin,
 335                                                 end,
 336                                                 decrypted.annotation_text().get_value_or (""),
 337                                                 decrypted.content_title_text(),
 338                                                 dcp::LocalTime().as_string()
 339                                                 );
 340
 341                                         /* Add keys from the DKDM */
 342                                         for (auto const& j: decrypted.keys()) {
 343                                                 kdm.add_key (j);
 344                                         }
 345
 346                                         dcp::EncryptedKDM const encrypted = kdm.encrypt(
 347                                                         signer, i->recipient.get(), i->trusted_device_thumbprints(), _output->formulation(),
 348                                                         !_output->forensic_mark_video(), _output->forensic_mark_audio() ? boost::optional<int>() : 0
 349                                                         );
 350
 351                                         dcp::NameFormat::Map name_values;
 352                                         name_values['c'] = i->cinema->name;
 353                                         name_values['s'] = i->name;
 354                                         name_values['f'] = title;
 355                                         name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
 356                                         name_values['e'] = end.date() + " " + end.time_of_day(true, false);
 357                                         name_values['i'] = encrypted.cpl_id ();
 358
 359                                         /* Encrypt */
 360                                         kdms.push_back (
 361                                                 KDMWithMetadataPtr(
 362                                                         new KDMWithMetadata(name_values, i->cinema.get(), i->cinema->emails, encrypted)
 363                                                         )
 364                                                 );
 365                                 }
 366                         }
 367
 368                         if (kdms.empty()) {
 369                                 return;
 370                         }
 371
 372                         pair<shared_ptr<Job>, int> result = _output->make (
 373                                 kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
 374                                 );
 375
 376                         if (result.first) {
 377                                 JobManager::instance()->add (result.first);
 378                                 if (_job_view) {
 379                                         _job_view->Destroy ();
 380                                         _job_view = 0;
 381                                 }
 382                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 383                                 _job_view->ShowModal ();
 384                         }
 385
 386                         if (result.second > 0) {
 387                                 /* XXX: proper plural form support in wxWidgets? */
 388                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 389                                 message_dialog (
 390                                         this,
 391                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 392                                         );
 393                         }
 394                 } catch (dcp::NotEncryptedError& e) {
 395                         error_dialog (this, _("CPL's content is not encrypted."));
 396                 } catch (exception& e) {
 397                         error_dialog (this, std_to_wx(e.what()));
 398                 } catch (...) {
 399                         error_dialog (this, _("An unknown exception occurred."));
 400                 }
 401         }
 402
 403         void setup_sensitivity ()
 404         {
 405                 _screens->setup_sensitivity ();
 406                 _output->setup_sensitivity ();
 407                 wxArrayTreeItemIds sel;
 408                 _dkdm->GetSelections (sel);
 409                 shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 410                 shared_ptr<DKDM> dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 411                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0);
 412                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 413                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 414         }
 415
 416         void dkdm_begin_drag (wxTreeEvent& ev)
 417         {
 418                 ev.Allow ();
 419         }
 420
 421         void dkdm_end_drag (wxTreeEvent& ev)
 422         {
 423                 DKDMMap::iterator from = _dkdm_id.find (_dkdm->GetSelection ());
 424                 DKDMMap::iterator to = _dkdm_id.find (ev.GetItem ());
 425                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 426                         return;
 427                 }
 428
 429                 shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (to->second);
 430                 if (!group) {
 431                         group = to->second->parent();
 432                 }
 433
 434                 DCPOMATIC_ASSERT (group);
 435                 DCPOMATIC_ASSERT (from->second->parent ());
 436
 437                 from->second->parent()->remove (from->second);
 438                 add_dkdm_model (from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 439
 440                 _dkdm->Delete (from->first);
 441                 _dkdm_id.erase (from->first);
 442                 add_dkdm_view (from->second, dynamic_pointer_cast<DKDM>(to->second) ? to->first : optional<wxTreeItemId>());
 443         }
 444
 445         void add_dkdm_clicked ()
 446         {
 447                 wxFileDialog* d = new wxFileDialog (this, _("Select DKDM file"));
 448                 if (d->ShowModal() == wxID_OK) {
 449                         shared_ptr<const dcp::CertificateChain> chain = Config::instance()->decryption_chain();
 450                         DCPOMATIC_ASSERT (chain->key());
 451
 452                         try {
 453                                 dcp::EncryptedKDM ekdm(dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE));
 454                                 /* Decrypt the DKDM to make sure that we can */
 455                                 dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 456
 457                                 shared_ptr<DKDMBase> new_dkdm(new DKDM(ekdm));
 458                                 shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 459                                 if (!group) {
 460                                         group = Config::instance()->dkdms ();
 461                                 }
 462                                 add_dkdm_model (new_dkdm, group);
 463                                 add_dkdm_view (new_dkdm);
 464                         } catch (dcp::KDMFormatError& e) {
 465                                 error_dialog (
 466                                         this,
 467                                         _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 468                                         std_to_wx(e.what())
 469                                         );
 470                                 return;
 471                         } catch (dcp::KDMDecryptionError &) {
 472                                 error_dialog (
 473                                         this,
 474                                         _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 475                                         );
 476                         } catch (dcp::MiscError& e) {
 477                                 error_dialog (
 478                                         this,
 479                                         _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 480                                         std_to_wx(e.what())
 481                                         );
 482                         }
 483                 }
 484                 d->Destroy ();
 485         }
 486
 487         void add_dkdm_folder_clicked ()
 488         {
 489                 NewDKDMFolderDialog* d = new NewDKDMFolderDialog (this);
 490                 if (d->ShowModal() == wxID_OK) {
 491                         shared_ptr<DKDMBase> new_dkdm (new DKDMGroup (wx_to_std (d->get ())));
 492                         shared_ptr<DKDMGroup> parent = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 493                         if (!parent) {
 494                                 parent = Config::instance()->dkdms ();
 495                         }
 496                         add_dkdm_model (new_dkdm, parent);
 497                         add_dkdm_view (new_dkdm);
 498                 }
 499                 d->Destroy ();
 500         }
 501
 502         /** @param dkdm Thing to add.
 503          *  @param parent Parent group, or 0.
 504          */
 505         void add_dkdm_view (shared_ptr<DKDMBase> base, optional<wxTreeItemId> previous = optional<wxTreeItemId>())
 506         {
 507                 if (!base->parent()) {
 508                         /* This is the root group */
 509                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 510                 } else {
 511                         /* Add base to the view */
 512                         wxTreeItemId added;
 513                         if (previous) {
 514                                 added = _dkdm->InsertItem(dkdm_to_id(base->parent()), *previous, std_to_wx(base->name()));
 515                         } else {
 516                                 added = _dkdm->AppendItem(dkdm_to_id(base->parent()), std_to_wx(base->name()));
 517                         }
 518                         _dkdm_id[added] = base;
 519                 }
 520
 521                 /* Add children */
 522                 shared_ptr<DKDMGroup> g = dynamic_pointer_cast<DKDMGroup> (base);
 523                 if (g) {
 524                         for (auto i: g->children()) {
 525                                 add_dkdm_view (i);
 526                         }
 527                 }
 528         }
 529
 530         /** @param group Group to add dkdm to */
 531         void add_dkdm_model (shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM> ())
 532         {
 533                 group->add (dkdm, previous);
 534                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 535                    This isn't nice.
 536                 */
 537                 Config::instance()->changed ();
 538         }
 539
 540         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 541         {
 542                 for (DKDMMap::iterator i = _dkdm_id.begin(); i != _dkdm_id.end(); ++i) {
 543                         if (i->second == dkdm) {
 544                                 return i->first;
 545                         }
 546                 }
 547                 DCPOMATIC_ASSERT (false);
 548         }
 549
 550         void remove_dkdm_clicked ()
 551         {
 552                 shared_ptr<DKDMBase> removed = selected_dkdm ();
 553                 if (!removed) {
 554                         return;
 555                 }
 556
 557                 if (NagDialog::maybe_nag (
 558                             this, Config::NAG_DELETE_DKDM,
 559                             _("You are about to remove a DKDM.  This will make it impossible to decrypt the DCP that the DKDM was made for, and it cannot be undone.  "
 560                               "Are you sure?"),
 561                             true)) {
 562                         return;
 563                 }
 564
 565                 _dkdm->Delete (dkdm_to_id (removed));
 566                 shared_ptr<DKDMGroup> dkdms = Config::instance()->dkdms ();
 567                 dkdms->remove (removed);
 568                 Config::instance()->changed ();
 569         }
 570
 571         void export_dkdm_clicked ()
 572         {
 573                 shared_ptr<DKDMBase> removed = selected_dkdm ();
 574                 if (!removed) {
 575                         return;
 576                 }
 577
 578                 shared_ptr<DKDM> dkdm = dynamic_pointer_cast<DKDM>(removed);
 579                 if (!dkdm) {
 580                         return;
 581                 }
 582
 583                 wxFileDialog* d = new wxFileDialog (
 584                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 585                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 586                         );
 587
 588                 if (d->ShowModal() == wxID_OK) {
 589                         dkdm->dkdm().as_xml(wx_to_std(d->GetPath()));
 590                 }
 591                 d->Destroy ();
 592         }
 593
 594         wxPreferencesEditor* _config_dialog;
 595         ScreensPanel* _screens;
 596         KDMTimingPanel* _timing;
 597         wxTreeCtrl* _dkdm;
 598         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase> > DKDMMap;
 599         DKDMMap _dkdm_id;
 600         wxButton* _add_dkdm;
 601         wxButton* _add_dkdm_folder;
 602         wxButton* _remove_dkdm;
 603         wxButton* _export_dkdm;
 604         wxButton* _create;
 605         KDMOutputPanel* _output;
 606         JobViewDialog* _job_view;
 607 };
 608
 609 /** @class App
 610  *  @brief The magic App class for wxWidgets.
 611  */
 612 class App : public wxApp
 613 {
 614 public:
 615         App ()
 616                 : wxApp ()
 617                 , _frame (0)
 618         {}
 619
 620 private:
 621
 622         bool OnInit ()
 623         {
 624                 wxSplashScreen* splash = 0;
 625
 626                 try {
 627                         wxInitAllImageHandlers ();
 628
 629                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 630                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 631
 632                         splash = maybe_show_splash ();
 633
 634                         SetAppName (_("DCP-o-matic KDM Creator"));
 635
 636                         if (!wxApp::OnInit()) {
 637                                 return false;
 638                         }
 639
 640 #ifdef DCPOMATIC_LINUX
 641                         unsetenv ("UBUNTU_MENUPROXY");
 642 #endif
 643
 644 #ifdef DCPOMATIC_OSX
 645                         make_foreground_application ();
 646 #endif
 647
 648                         dcpomatic_setup_path_encoding ();
 649
 650                         /* Enable i18n; this will create a Config object
 651                            to look for a force-configured language.  This Config
 652                            object will be wrong, however, because dcpomatic_setup
 653                            hasn't yet been called and there aren't any filters etc.
 654                            set up yet.
 655                         */
 656                         dcpomatic_setup_i18n ();
 657
 658                         /* Set things up, including filters etc.
 659                            which will now be internationalised correctly.
 660                         */
 661                         dcpomatic_setup ();
 662
 663                         /* Force the configuration to be re-loaded correctly next
 664                            time it is needed.
 665                         */
 666                         Config::drop ();
 667
 668                         _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 669                         SetTopWindow (_frame);
 670                         _frame->Maximize ();
 671                         if (splash) {
 672                                 splash->Destroy ();
 673                                 splash = 0;
 674                         }
 675                         _frame->Show ();
 676
 677                         signal_manager = new wxSignalManager (this);
 678                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 679                 }
 680                 catch (exception& e)
 681                 {
 682                         if (splash) {
 683                                 splash->Destroy ();
 684                         }
 685                         error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 686                 }
 687
 688                 return true;
 689         }
 690
 691         /* An unhandled exception has occurred inside the main event loop */
 692         bool OnExceptionInMainLoop ()
 693         {
 694                 try {
 695                         throw;
 696                 } catch (FileError& e) {
 697                         error_dialog (
 698                                 0,
 699                                 wxString::Format (
 700                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 701                                         std_to_wx (e.what()),
 702                                         std_to_wx (e.file().string().c_str ())
 703                                         )
 704                                 );
 705                 } catch (exception& e) {
 706                         error_dialog (
 707                                 0,
 708                                 wxString::Format (
 709                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 710                                         std_to_wx (e.what ())
 711                                         )
 712                                 );
 713                 } catch (...) {
 714                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 715                 }
 716
 717                 /* This will terminate the program */
 718                 return false;
 719         }
 720
 721         void OnUnhandledException ()
 722         {
 723                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 724         }
 725
 726         void idle ()
 727         {
 728                 signal_manager->ui_idle ();
 729         }
 730
 731         void config_failed_to_load ()
 732         {
 733                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 734         }
 735
 736         void config_warning (string m)
 737         {
 738                 message_dialog (_frame, std_to_wx (m));
 739         }
 740
 741         DOMFrame* _frame;
 742 };
 743
 744 IMPLEMENT_APP (App)