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/screen_kdm.h"
  42 #include "lib/exceptions.h"
  43 #include "lib/cinema_kdms.h"
  44 #include "lib/send_kdm_email_job.h"
  45 #include "lib/compose.hpp"
  46 #include "lib/cinema.h"
  47 #include "lib/dkdm_wrapper.h"
  48 #include "lib/cross.h"
  49 #ifdef DCPOMATIC_VARIANT_SWAROOP
  50 #include "lib/decrypted_ecinema_kdm.h"
  51 #endif
  52 #include <dcp/encrypted_kdm.h>
  53 #include <dcp/decrypted_kdm.h>
  54 #include <dcp/exceptions.h>
  55 #include <wx/wx.h>
  56 #include <wx/preferences.h>
  57 #include <wx/splash.h>
  58 #include <wx/filepicker.h>
  59 #ifdef __WXOSX__
  60 #include <ApplicationServices/ApplicationServices.h>
  61 #endif
  62 #include <boost/bind.hpp>
  63 #include <boost/foreach.hpp>
  64
  65 #ifdef check
  66 #undef check
  67 #endif
  68
  69 using std::exception;
  70 using std::list;
  71 using std::string;
  72 using std::vector;
  73 using std::pair;
  74 using std::map;
  75 using boost::shared_ptr;
  76 using boost::bind;
  77 using boost::optional;
  78 using boost::ref;
  79 using boost::dynamic_pointer_cast;
  80 using namespace dcpomatic;
  81
  82 enum {
  83         ID_help_report_a_problem = 1,
  84 };
  85
  86 class DOMFrame : public wxFrame
  87 {
  88 public:
  89         explicit DOMFrame (wxString const & title)
  90                 : wxFrame (0, -1, title)
  91                 , _config_dialog (0)
  92                 , _job_view (0)
  93         {
  94 #if defined(DCPOMATIC_WINDOWS)
  95                 if (Config::instance()->win32_console ()) {
  96                         AllocConsole();
  97
  98                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
  99                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 100                         FILE* hf_out = _fdopen(hCrt, "w");
 101                         setvbuf(hf_out, NULL, _IONBF, 1);
 102                         *stdout = *hf_out;
 103
 104                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 105                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 106                         FILE* hf_in = _fdopen(hCrt, "r");
 107                         setvbuf(hf_in, NULL, _IONBF, 128);
 108                         *stdin = *hf_in;
 109
 110                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 111                 }
 112 #endif
 113
 114                 wxMenuBar* bar = new wxMenuBar;
 115                 setup_menu (bar);
 116                 SetMenuBar (bar);
 117
 118                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 119                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 120                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 121                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 122
 123                 /* Use a panel as the only child of the Frame so that we avoid
 124                    the dark-grey background on Windows.
 125                 */
 126                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 127                 wxBoxSizer* main_sizer = new wxBoxSizer (wxHORIZONTAL);
 128
 129                 wxBoxSizer* horizontal = new wxBoxSizer (wxHORIZONTAL);
 130                 wxBoxSizer* left = new wxBoxSizer (wxVERTICAL);
 131                 wxBoxSizer* right = new wxBoxSizer (wxVERTICAL);
 132
 133                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 134                 horizontal->Add (right, 1, wxEXPAND);
 135
 136                 wxFont subheading_font (*wxNORMAL_FONT);
 137                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 138
 139                 wxStaticText* h = new StaticText (overall_panel, _("Screens"));
 140                 h->SetFont (subheading_font);
 141                 left->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 142                 _screens = new ScreensPanel (overall_panel);
 143                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 144
 145                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 146                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 147                 h->SetFont (subheading_font);
 148                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_Y_GAP * 2);
 149                 _timing = new KDMTimingPanel (overall_panel);
 150                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 151
 152                 h = new StaticText (overall_panel, _("DKDM"));
 153                 h->SetFont (subheading_font);
 154                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 155                 wxBoxSizer* dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 156                 _dkdm = new wxTreeCtrl (
 157                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 158                 );
 159                 dkdm_sizer->Add (_dkdm, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 160                 wxBoxSizer* dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 161                 _add_dkdm = new Button (overall_panel, _("Add..."));
 162                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 163                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 164                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 165                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 166                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 167                 _export_dkdm = new Button (overall_panel, _("Export..."));
 168                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 169                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 170                 right->Add (dkdm_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 171
 172                 add_dkdm_view (Config::instance()->dkdms());
 173
 174                 h = new StaticText (overall_panel, _("Output"));
 175                 h->SetFont (subheading_font);
 176                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 177                 /* XXX: hard-coded non-interop here */
 178                 _output = new KDMOutputPanel (overall_panel, false);
 179                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 180
 181                 _create = new Button (overall_panel, _("Create KDMs"));
 182                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 183
 184                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 185                 overall_panel->SetSizer (main_sizer);
 186
 187                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 188                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 189
 190                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 191                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 192                 _dkdm->Bind (wxEVT_TREE_SEL_CHANGED, boost::bind (&DOMFrame::setup_sensitivity, this));
 193                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 194                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 195                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 196                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 197                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 198                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 199
 200                 setup_sensitivity ();
 201         }
 202
 203 private:
 204         void file_exit ()
 205         {
 206                 /* false here allows the close handler to veto the close request */
 207                 Close (false);
 208         }
 209
 210         void edit_preferences ()
 211         {
 212                 if (!_config_dialog) {
 213                         _config_dialog = create_full_config_dialog ();
 214                 }
 215                 _config_dialog->Show (this);
 216         }
 217
 218         void help_about ()
 219         {
 220                 AboutDialog* d = new AboutDialog (this);
 221                 d->ShowModal ();
 222                 d->Destroy ();
 223         }
 224
 225         void help_report_a_problem ()
 226         {
 227                 ReportProblemDialog* d = new ReportProblemDialog (this, shared_ptr<Film> ());
 228                 if (d->ShowModal () == wxID_OK) {
 229                         d->report ();
 230                 }
 231                 d->Destroy ();
 232         }
 233
 234         void setup_menu (wxMenuBar* m)
 235         {
 236                 wxMenu* file = new wxMenu;
 237
 238 #ifdef __WXOSX__
 239                 file->Append (wxID_EXIT, _("&Exit"));
 240 #else
 241                 file->Append (wxID_EXIT, _("&Quit"));
 242 #endif
 243
 244 #ifdef __WXOSX__
 245                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 246 #else
 247                 wxMenu* edit = new wxMenu;
 248                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 249 #endif
 250
 251                 wxMenu* help = new wxMenu;
 252 #ifdef __WXOSX__
 253                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 254 #else
 255                 help->Append (wxID_ABOUT, _("About"));
 256 #endif
 257                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 258
 259                 m->Append (file, _("&File"));
 260 #ifndef __WXOSX__
 261                 m->Append (edit, _("&Edit"));
 262 #endif
 263                 m->Append (help, _("&Help"));
 264         }
 265
 266         bool confirm_overwrite (boost::filesystem::path path)
 267         {
 268                 return confirm_dialog (
 269                         this,
 270                         wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 271                         );
 272         }
 273
 274         /** @id if not 0 this is filled in with the wxTreeItemId of the selection */
 275         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = 0) const
 276         {
 277                 wxArrayTreeItemIds selections;
 278                 _dkdm->GetSelections (selections);
 279                 if (selections.GetCount() != 1) {
 280                         if (id) {
 281                                 *id = 0;
 282                         }
 283                         return shared_ptr<DKDMBase> ();
 284                 }
 285
 286                 if (id) {
 287                         *id = selections[0];
 288                 }
 289
 290                 DKDMMap::const_iterator i = _dkdm_id.find (selections[0]);
 291                 if (i == _dkdm_id.end()) {
 292                         return shared_ptr<DKDMBase> ();
 293                 }
 294
 295                 return i->second;
 296         }
 297
 298         void create_kdms ()
 299         {
 300                 try {
 301                         shared_ptr<DKDMBase> dkdm_base = selected_dkdm ();
 302                         if (!dkdm_base) {
 303                                 return;
 304                         }
 305
 306                         list<shared_ptr<ScreenKDM> > screen_kdms;
 307                         string title;
 308
 309 #ifdef DCPOMATIC_VARIANT_SWAROOP
 310                         shared_ptr<ECinemaDKDM> ecinema_dkdm = boost::dynamic_pointer_cast<ECinemaDKDM> (dkdm_base);
 311                         if (ecinema_dkdm) {
 312                                 DecryptedECinemaKDM decrypted (ecinema_dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 313                                 title = decrypted.name ();
 314
 315                                 BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
 316
 317                                         if (!i->recipient) {
 318                                                 continue;
 319                                         }
 320
 321                                         DecryptedECinemaKDM kdm (
 322                                                 decrypted.id(),
 323                                                 decrypted.name(),
 324                                                 decrypted.key(),
 325                                                 dcp::LocalTime (_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 326                                                 dcp::LocalTime (_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute())
 327                                                 );
 328
 329                                         /* Encrypt */
 330                                         screen_kdms.push_back (
 331                                                 shared_ptr<ScreenKDM>(
 332                                                         new ECinemaScreenKDM(i, kdm.encrypt(i->recipient.get()))
 333                                                         )
 334                                                 );
 335                                 }
 336                         }
 337 #endif
 338
 339                         shared_ptr<DKDM> dkdm = boost::dynamic_pointer_cast<DKDM> (dkdm_base);
 340                         if (dkdm) {
 341
 342                                 /* Decrypt the DKDM */
 343                                 dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 344                                 title = decrypted.content_title_text ();
 345
 346                                 /* This is the signer for our new KDMs */
 347                                 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
 348                                 if (!signer->valid ()) {
 349                                         throw InvalidSignerError ();
 350                                 }
 351
 352                                 BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
 353
 354                                         if (!i->recipient) {
 355                                                 continue;
 356                                         }
 357
 358                                         /* Make an empty KDM */
 359                                         dcp::DecryptedKDM kdm (
 360                                                 dcp::LocalTime (_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 361                                                 dcp::LocalTime (_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 362                                                 decrypted.annotation_text().get_value_or (""),
 363                                                 decrypted.content_title_text(),
 364                                                 dcp::LocalTime().as_string()
 365                                                 );
 366
 367                                         /* Add keys from the DKDM */
 368                                         BOOST_FOREACH (dcp::DecryptedKDMKey const & j, decrypted.keys()) {
 369                                                 kdm.add_key (j);
 370                                         }
 371
 372                                         /* Encrypt */
 373                                         screen_kdms.push_back (
 374                                                 shared_ptr<ScreenKDM>(
 375                                                         new DCPScreenKDM(
 376                                                                 i,
 377                                                                 kdm.encrypt(
 378                                                                         signer, i->recipient.get(), i->trusted_device_thumbprints(), _output->formulation(),
 379                                                                         !_output->forensic_mark_video(), _output->forensic_mark_audio() ? boost::optional<int>() : 0
 380                                                                         )
 381                                                                 )
 382                                                         )
 383                                                 );
 384                                 }
 385                         }
 386
 387                         if (screen_kdms.empty()) {
 388                                 return;
 389                         }
 390
 391                         pair<shared_ptr<Job>, int> result = _output->make (
 392                                 screen_kdms, title, _timing, bind (&DOMFrame::confirm_overwrite, this, _1)
 393                                 );
 394
 395                         if (result.first) {
 396                                 JobManager::instance()->add (result.first);
 397                                 if (_job_view) {
 398                                         _job_view->Destroy ();
 399                                         _job_view = 0;
 400                                 }
 401                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 402                                 _job_view->ShowModal ();
 403                         }
 404
 405                         if (result.second > 0) {
 406                                 /* XXX: proper plural form support in wxWidgets? */
 407                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 408                                 message_dialog (
 409                                         this,
 410                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 411                                         );
 412                         }
 413                 } catch (dcp::NotEncryptedError& e) {
 414                         error_dialog (this, _("CPL's content is not encrypted."));
 415                 } catch (exception& e) {
 416                         error_dialog (this, std_to_wx(e.what()));
 417                 } catch (...) {
 418                         error_dialog (this, _("An unknown exception occurred."));
 419                 }
 420         }
 421
 422         void setup_sensitivity ()
 423         {
 424                 _screens->setup_sensitivity ();
 425                 _output->setup_sensitivity ();
 426                 wxArrayTreeItemIds sel;
 427                 _dkdm->GetSelections (sel);
 428                 shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 429                 shared_ptr<DKDM> dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 430                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0);
 431                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 432                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 433         }
 434
 435         void dkdm_begin_drag (wxTreeEvent& ev)
 436         {
 437                 ev.Allow ();
 438         }
 439
 440         void dkdm_end_drag (wxTreeEvent& ev)
 441         {
 442                 DKDMMap::iterator from = _dkdm_id.find (_dkdm->GetSelection ());
 443                 DKDMMap::iterator to = _dkdm_id.find (ev.GetItem ());
 444                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 445                         return;
 446                 }
 447
 448                 shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (to->second);
 449                 if (!group) {
 450                         group = to->second->parent();
 451                 }
 452
 453                 DCPOMATIC_ASSERT (group);
 454                 DCPOMATIC_ASSERT (from->second->parent ());
 455
 456                 from->second->parent()->remove (from->second);
 457                 add_dkdm_model (from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 458
 459                 _dkdm->Delete (from->first);
 460                 _dkdm_id.erase (from->first);
 461                 add_dkdm_view (from->second, dynamic_pointer_cast<DKDM>(to->second) ? to->first : optional<wxTreeItemId>());
 462         }
 463
 464         void add_dkdm_clicked ()
 465         {
 466                 wxFileDialog* d = new wxFileDialog (this, _("Select DKDM file"));
 467                 if (d->ShowModal() == wxID_OK) {
 468                         shared_ptr<const dcp::CertificateChain> chain = Config::instance()->decryption_chain();
 469                         DCPOMATIC_ASSERT (chain->key());
 470
 471 #ifdef DCPOMATIC_VARIANT_SWAROOP
 472                         try {
 473                                 cxml::Document test_doc;
 474                                 string const xml_string = dcp::file_to_string (wx_to_std(d->GetPath()), MAX_KDM_SIZE);
 475                                 test_doc.read_string (xml_string);
 476                                 if (test_doc.root_name() == "ECinemaSecurityMessage") {
 477                                         EncryptedECinemaKDM ekdm(xml_string);
 478                                         /* Decrypt the DKDM to make sure that we can */
 479                                         DecryptedECinemaKDM dkdm(ekdm, chain->key().get());
 480
 481                                         shared_ptr<DKDMBase> new_dkdm(new ECinemaDKDM(ekdm));
 482                                         shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 483                                         if (!group) {
 484                                                 group = Config::instance()->dkdms();
 485                                         }
 486                                         add_dkdm_model (new_dkdm, group);
 487                                         add_dkdm_view (new_dkdm);
 488                                         d->Destroy ();
 489                                         return;
 490                                 }
 491                         } catch (KDMError& e) {
 492                                 error_dialog (
 493                                         this, "Could not read file as a KDM.  Perhaps it is badly formatted, created with the wrong certificate, or not a KDM at all.",
 494                                         std_to_wx(e.what())
 495                                         );
 496                                 d->Destroy ();
 497                                 return;
 498                         } catch (dcp::MiscError& e) {
 499                                 error_dialog (
 500                                         this,
 501                                         _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 502                                         std_to_wx(e.what())
 503                                         );
 504                                 d->Destroy ();
 505                                 return;
 506                         }
 507 #endif
 508
 509                         try {
 510                                 dcp::EncryptedKDM ekdm(dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE));
 511                                 /* Decrypt the DKDM to make sure that we can */
 512                                 dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 513
 514                                 shared_ptr<DKDMBase> new_dkdm(new DKDM(ekdm));
 515                                 shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 516                                 if (!group) {
 517                                         group = Config::instance()->dkdms ();
 518                                 }
 519                                 add_dkdm_model (new_dkdm, group);
 520                                 add_dkdm_view (new_dkdm);
 521                         } catch (dcp::KDMFormatError& e) {
 522                                 error_dialog (
 523                                         this,
 524                                         _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 525                                         std_to_wx(e.what())
 526                                         );
 527                                 return;
 528                         } catch (dcp::KDMDecryptionError &) {
 529                                 error_dialog (
 530                                         this,
 531                                         _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 532                                         );
 533                         } catch (dcp::MiscError& e) {
 534                                 error_dialog (
 535                                         this,
 536                                         _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 537                                         std_to_wx(e.what())
 538                                         );
 539                         }
 540                 }
 541                 d->Destroy ();
 542         }
 543
 544         void add_dkdm_folder_clicked ()
 545         {
 546                 NewDKDMFolderDialog* d = new NewDKDMFolderDialog (this);
 547                 if (d->ShowModal() == wxID_OK) {
 548                         shared_ptr<DKDMBase> new_dkdm (new DKDMGroup (wx_to_std (d->get ())));
 549                         shared_ptr<DKDMGroup> parent = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 550                         if (!parent) {
 551                                 parent = Config::instance()->dkdms ();
 552                         }
 553                         add_dkdm_model (new_dkdm, parent);
 554                         add_dkdm_view (new_dkdm);
 555                 }
 556                 d->Destroy ();
 557         }
 558
 559         /** @param dkdm Thing to add.
 560          *  @param parent Parent group, or 0.
 561          */
 562         void add_dkdm_view (shared_ptr<DKDMBase> base, optional<wxTreeItemId> previous = optional<wxTreeItemId>())
 563         {
 564                 if (!base->parent()) {
 565                         /* This is the root group */
 566                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 567                 } else {
 568                         /* Add base to the view */
 569                         wxTreeItemId added;
 570                         if (previous) {
 571                                 added = _dkdm->InsertItem(dkdm_to_id(base->parent()), *previous, std_to_wx(base->name()));
 572                         } else {
 573                                 added = _dkdm->AppendItem(dkdm_to_id(base->parent()), std_to_wx(base->name()));
 574                         }
 575                         _dkdm_id[added] = base;
 576                 }
 577
 578                 /* Add children */
 579                 shared_ptr<DKDMGroup> g = dynamic_pointer_cast<DKDMGroup> (base);
 580                 if (g) {
 581                         BOOST_FOREACH (shared_ptr<DKDMBase> i, g->children()) {
 582                                 add_dkdm_view (i);
 583                         }
 584                 }
 585         }
 586
 587         /** @param group Group to add dkdm to */
 588         void add_dkdm_model (shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM> ())
 589         {
 590                 group->add (dkdm, previous);
 591                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 592                    This isn't nice.
 593                 */
 594                 Config::instance()->changed ();
 595         }
 596
 597         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 598         {
 599                 for (DKDMMap::iterator i = _dkdm_id.begin(); i != _dkdm_id.end(); ++i) {
 600                         if (i->second == dkdm) {
 601                                 return i->first;
 602                         }
 603                 }
 604                 DCPOMATIC_ASSERT (false);
 605         }
 606
 607         void remove_dkdm_clicked ()
 608         {
 609                 shared_ptr<DKDMBase> removed = selected_dkdm ();
 610                 if (!removed) {
 611                         return;
 612                 }
 613
 614                 if (NagDialog::maybe_nag (
 615                             this, Config::NAG_DELETE_DKDM,
 616                             _("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.  "
 617                               "Are you sure?"),
 618                             true)) {
 619                         return;
 620                 }
 621
 622                 _dkdm->Delete (dkdm_to_id (removed));
 623                 shared_ptr<DKDMGroup> dkdms = Config::instance()->dkdms ();
 624                 dkdms->remove (removed);
 625                 Config::instance()->changed ();
 626         }
 627
 628         void export_dkdm_clicked ()
 629         {
 630                 shared_ptr<DKDMBase> removed = selected_dkdm ();
 631                 if (!removed) {
 632                         return;
 633                 }
 634
 635                 shared_ptr<DKDM> dkdm = dynamic_pointer_cast<DKDM>(removed);
 636                 if (!dkdm) {
 637                         return;
 638                 }
 639
 640                 wxFileDialog* d = new wxFileDialog (
 641                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 642                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 643                         );
 644
 645                 if (d->ShowModal() == wxID_OK) {
 646                         dkdm->dkdm().as_xml(wx_to_std(d->GetPath()));
 647                 }
 648                 d->Destroy ();
 649         }
 650
 651         wxPreferencesEditor* _config_dialog;
 652         ScreensPanel* _screens;
 653         KDMTimingPanel* _timing;
 654         wxTreeCtrl* _dkdm;
 655         typedef std::map<wxTreeItemId, boost::shared_ptr<DKDMBase> > DKDMMap;
 656         DKDMMap _dkdm_id;
 657         wxButton* _add_dkdm;
 658         wxButton* _add_dkdm_folder;
 659         wxButton* _remove_dkdm;
 660         wxButton* _export_dkdm;
 661         wxButton* _create;
 662         KDMOutputPanel* _output;
 663         JobViewDialog* _job_view;
 664 };
 665
 666 /** @class App
 667  *  @brief The magic App class for wxWidgets.
 668  */
 669 class App : public wxApp
 670 {
 671 public:
 672         App ()
 673                 : wxApp ()
 674                 , _frame (0)
 675         {}
 676
 677 private:
 678
 679         bool OnInit ()
 680         {
 681                 wxSplashScreen* splash = 0;
 682
 683                 try {
 684                         wxInitAllImageHandlers ();
 685
 686                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 687                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 688
 689                         splash = maybe_show_splash ();
 690
 691                         SetAppName (_("DCP-o-matic KDM Creator"));
 692
 693                         if (!wxApp::OnInit()) {
 694                                 return false;
 695                         }
 696
 697 #ifdef DCPOMATIC_LINUX
 698                         unsetenv ("UBUNTU_MENUPROXY");
 699 #endif
 700
 701 #ifdef __WXOSX__
 702                         ProcessSerialNumber serial;
 703                         GetCurrentProcess (&serial);
 704                         TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 705 #endif
 706
 707                         dcpomatic_setup_path_encoding ();
 708
 709                         /* Enable i18n; this will create a Config object
 710                            to look for a force-configured language.  This Config
 711                            object will be wrong, however, because dcpomatic_setup
 712                            hasn't yet been called and there aren't any filters etc.
 713                            set up yet.
 714                         */
 715                         dcpomatic_setup_i18n ();
 716
 717                         /* Set things up, including filters etc.
 718                            which will now be internationalised correctly.
 719                         */
 720                         dcpomatic_setup ();
 721
 722                         /* Force the configuration to be re-loaded correctly next
 723                            time it is needed.
 724                         */
 725                         Config::drop ();
 726
 727                         _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 728                         SetTopWindow (_frame);
 729                         _frame->Maximize ();
 730                         if (splash) {
 731                                 splash->Destroy ();
 732                                 splash = 0;
 733                         }
 734                         _frame->Show ();
 735
 736                         signal_manager = new wxSignalManager (this);
 737                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 738                 }
 739                 catch (exception& e)
 740                 {
 741                         if (splash) {
 742                                 splash->Destroy ();
 743                         }
 744                         error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 745                 }
 746
 747                 return true;
 748         }
 749
 750         /* An unhandled exception has occurred inside the main event loop */
 751         bool OnExceptionInMainLoop ()
 752         {
 753                 try {
 754                         throw;
 755                 } catch (FileError& e) {
 756                         error_dialog (
 757                                 0,
 758                                 wxString::Format (
 759                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 760                                         std_to_wx (e.what()),
 761                                         std_to_wx (e.file().string().c_str ())
 762                                         )
 763                                 );
 764                 } catch (exception& e) {
 765                         error_dialog (
 766                                 0,
 767                                 wxString::Format (
 768                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 769                                         std_to_wx (e.what ())
 770                                         )
 771                                 );
 772                 } catch (...) {
 773                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 774                 }
 775
 776                 /* This will terminate the program */
 777                 return false;
 778         }
 779
 780         void OnUnhandledException ()
 781         {
 782                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 783         }
 784
 785         void idle ()
 786         {
 787                 signal_manager->ui_idle ();
 788         }
 789
 790         void config_failed_to_load ()
 791         {
 792                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 793         }
 794
 795         void config_warning (string m)
 796         {
 797                 message_dialog (_frame, std_to_wx (m));
 798         }
 799
 800         DOMFrame* _frame;
 801 };
 802
 803 IMPLEMENT_APP (App)