src/tools/dcpomatic_kdm.cc

   1 /*
   2     Copyright (C) 2015-2021 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
  22 #include "wx/about_dialog.h"
  23 #include "wx/dcpomatic_button.h"
  24 #include "wx/editable_list.h"
  25 #include "wx/file_dialog.h"
  26 #include "wx/file_picker_ctrl.h"
  27 #include "wx/full_config_dialog.h"
  28 #include "wx/job_view_dialog.h"
  29 #include "wx/kdm_output_panel.h"
  30 #include "wx/kdm_timing_panel.h"
  31 #include "wx/nag_dialog.h"
  32 #include "wx/new_dkdm_folder_dialog.h"
  33 #include "wx/report_problem_dialog.h"
  34 #include "wx/screens_panel.h"
  35 #include "wx/static_text.h"
  36 #include "wx/wx_signal_manager.h"
  37 #include "wx/wx_util.h"
  38 #include "lib/cinema.h"
  39 #include "lib/collator.h"
  40 #include "lib/compose.hpp"
  41 #include "lib/constants.h"
  42 #include "lib/config.h"
  43 #include "lib/cross.h"
  44 #include "lib/dcpomatic_log.h"
  45 #include "lib/dkdm_wrapper.h"
  46 #include "lib/exceptions.h"
  47 #include "lib/file_log.h"
  48 #include "lib/job_manager.h"
  49 #include "lib/kdm_util.h"
  50 #include "lib/kdm_with_metadata.h"
  51 #include "lib/screen.h"
  52 #include "lib/send_kdm_email_job.h"
  53 #include <dcp/encrypted_kdm.h>
  54 #include <dcp/decrypted_kdm.h>
  55 #include <dcp/exceptions.h>
  56 #include <dcp/warnings.h>
  57 LIBDCP_DISABLE_WARNINGS
  58 #include <wx/dnd.h>
  59 #include <wx/filepicker.h>
  60 #include <wx/preferences.h>
  61 #include <wx/splash.h>
  62 #include <wx/srchctrl.h>
  63 #include <wx/treectrl.h>
  64 #include <wx/wx.h>
  65 LIBDCP_ENABLE_WARNINGS
  66 #ifdef __WXOSX__
  67 #include <ApplicationServices/ApplicationServices.h>
  68 #endif
  69 #include <boost/bind/bind.hpp>
  70 #include <unordered_set>
  71
  72 #ifdef check
  73 #undef check
  74 #endif
  75
  76
  77 using std::exception;
  78 using std::list;
  79 using std::make_shared;
  80 using std::map;
  81 using std::pair;
  82 using std::shared_ptr;
  83 using std::string;
  84 using std::unordered_set;
  85 using std::vector;
  86 using boost::bind;
  87 using boost::optional;
  88 using boost::ref;
  89 using std::dynamic_pointer_cast;
  90 #if BOOST_VERSION >= 106100
  91 using namespace boost::placeholders;
  92 #endif
  93 using namespace dcpomatic;
  94
  95
  96 enum {
  97         ID_help_report_a_problem = 1,
  98 };
  99
 100
 101 class DOMFrame : public wxFrame
 102 {
 103 public:
 104         explicit DOMFrame (wxString const & title)
 105                 : wxFrame (nullptr, -1, title)
 106                 , _config_dialog (nullptr)
 107                 , _job_view (nullptr)
 108         {
 109 #if defined(DCPOMATIC_WINDOWS)
 110                 if (Config::instance()->win32_console ()) {
 111                         AllocConsole();
 112
 113                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 114                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 115                         FILE* hf_out = _fdopen(hCrt, "w");
 116                         setvbuf(hf_out, NULL, _IONBF, 1);
 117                         *stdout = *hf_out;
 118
 119                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 120                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 121                         FILE* hf_in = _fdopen(hCrt, "r");
 122                         setvbuf(hf_in, NULL, _IONBF, 128);
 123                         *stdin = *hf_in;
 124
 125                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 126                 }
 127 #endif
 128
 129                 auto bar = new wxMenuBar;
 130                 setup_menu (bar);
 131                 SetMenuBar (bar);
 132
 133                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 134                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 135                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 136                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 137
 138                 /* Use a panel as the only child of the Frame so that we avoid
 139                    the dark-grey background on Windows.
 140                 */
 141                 auto overall_panel = new wxPanel (this, wxID_ANY);
 142                 auto main_sizer = new wxBoxSizer (wxHORIZONTAL);
 143
 144                 auto horizontal = new wxBoxSizer (wxHORIZONTAL);
 145                 auto left = new wxBoxSizer (wxVERTICAL);
 146                 auto right = new wxBoxSizer (wxVERTICAL);
 147
 148                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 149                 horizontal->Add (right, 1, wxEXPAND);
 150
 151                 wxFont subheading_font (*wxNORMAL_FONT);
 152                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 153
 154                 auto h = new StaticText (overall_panel, _("Screens"));
 155                 h->SetFont (subheading_font);
 156                 left->Add (h, 0, wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 157                 _screens = new ScreensPanel (overall_panel);
 158                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 159
 160                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 161                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 162                 h->SetFont (subheading_font);
 163                 right->Add (h);
 164                 _timing = new KDMTimingPanel (overall_panel);
 165                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 166
 167                 h = new StaticText (overall_panel, _("DKDM"));
 168                 h->SetFont (subheading_font);
 169                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 170
 171                 _dkdm_search = new wxSearchCtrl(overall_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, search_ctrl_height()));
 172 #ifndef __WXGTK3__
 173                 /* The cancel button seems to be strangely broken in GTK3; clicking on it twice sometimes works */
 174                 _dkdm_search->ShowCancelButton (true);
 175 #endif
 176
 177                 right->Add(_dkdm_search, 0, wxTOP | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 178
 179                 class DKDMDropTarget : public wxFileDropTarget
 180                 {
 181                 public:
 182                         DKDMDropTarget(DOMFrame* frame)
 183                                 : _frame(frame)
 184                         {}
 185
 186                         bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 187                         {
 188                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 189                                         _frame->add_dkdm(boost::filesystem::path(wx_to_std(filenames[0])));
 190                                 }
 191
 192                                 return true;
 193                         }
 194
 195                 private:
 196                         DOMFrame* _frame;
 197                 };
 198
 199                 auto dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 200                 _dkdm = new wxTreeCtrl (
 201                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 202                 );
 203                 _dkdm->SetDropTarget(new DKDMDropTarget(this));
 204                 dkdm_sizer->Add(_dkdm, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 205                 auto dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 206                 _add_dkdm = new Button (overall_panel, _("Add..."));
 207                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 208                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 209                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 210                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 211                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 212                 _export_dkdm = new Button (overall_panel, _("Export..."));
 213                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 214                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 215                 right->Add (dkdm_sizer, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 216
 217                 update_dkdm_view();
 218
 219                 h = new StaticText (overall_panel, _("Output"));
 220                 h->SetFont (subheading_font);
 221                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 222                 _output = new KDMOutputPanel (overall_panel);
 223                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 224
 225                 _create = new Button (overall_panel, _("Create KDMs"));
 226                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 227
 228                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 229                 overall_panel->SetSizer (main_sizer);
 230
 231                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 232                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 233
 234                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 235                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 236                 _dkdm->Bind(wxEVT_TREE_SEL_CHANGED, boost::bind(&DOMFrame::dkdm_selection_changed, this));
 237                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 238                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 239                 _dkdm->Bind(wxEVT_TREE_ITEM_EXPANDED, boost::bind(&DOMFrame::dkdm_expanded, this, _1));
 240                 _dkdm->Bind(wxEVT_TREE_ITEM_COLLAPSED, boost::bind(&DOMFrame::dkdm_collapsed, this, _1));
 241                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 242                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 243                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 244                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 245                 _dkdm_search->Bind(wxEVT_TEXT, boost::bind(&DOMFrame::dkdm_search_changed, this));
 246
 247                 setup_sensitivity ();
 248
 249                 dcpomatic_log = make_shared<FileLog>(State::write_path("kdm.log"));
 250         }
 251
 252 private:
 253         void file_exit ()
 254         {
 255                 /* false here allows the close handler to veto the close request */
 256                 Close (false);
 257         }
 258
 259         void edit_preferences ()
 260         {
 261                 if (!_config_dialog) {
 262                         _config_dialog = create_full_config_dialog ();
 263                 }
 264                 _config_dialog->Show (this);
 265         }
 266
 267         void help_about ()
 268         {
 269                 AboutDialog dialog(this);
 270                 dialog.ShowModal();
 271         }
 272
 273         void help_report_a_problem ()
 274         {
 275                 ReportProblemDialog dialog(this, shared_ptr<Film>());
 276                 if (dialog.ShowModal() == wxID_OK) {
 277                         dialog.report();
 278                 }
 279         }
 280
 281         void setup_menu (wxMenuBar* m)
 282         {
 283                 auto file = new wxMenu;
 284
 285 #ifdef __WXOSX__
 286                 file->Append (wxID_EXIT, _("&Exit"));
 287 #else
 288                 file->Append (wxID_EXIT, _("&Quit"));
 289 #endif
 290
 291 #ifdef __WXOSX__
 292                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 293 #else
 294                 wxMenu* edit = new wxMenu;
 295                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 296 #endif
 297
 298                 wxMenu* help = new wxMenu;
 299 #ifdef __WXOSX__
 300                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 301 #else
 302                 help->Append (wxID_ABOUT, _("About"));
 303 #endif
 304                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 305
 306                 m->Append (file, _("&File"));
 307 #ifndef __WXOSX__
 308                 m->Append (edit, _("&Edit"));
 309 #endif
 310                 m->Append (help, _("&Help"));
 311         }
 312
 313         bool confirm_overwrite (boost::filesystem::path path)
 314         {
 315                 if (boost::filesystem::is_directory(path)) {
 316                         return confirm_dialog (
 317                                 this,
 318                                 wxString::Format(_("Folder %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 319                                 );
 320                 } else {
 321                         return confirm_dialog (
 322                                 this,
 323                                 wxString::Format(_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 324                                 );
 325                 }
 326         }
 327
 328         /** @id if not nullptr this is filled in with the wxTreeItemId of the selection */
 329         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = nullptr) const
 330         {
 331                 wxArrayTreeItemIds selections;
 332                 _dkdm->GetSelections (selections);
 333                 if (selections.GetCount() != 1) {
 334                         if (id) {
 335                                 *id = 0;
 336                         }
 337                         return {};
 338                 }
 339
 340                 if (id) {
 341                         *id = selections[0];
 342                 }
 343
 344                 auto i = _dkdm_id.find (selections[0]);
 345                 if (i == _dkdm_id.end()) {
 346                         return {};
 347                 }
 348
 349                 return i->second;
 350         }
 351
 352         void create_kdms ()
 353         {
 354                 try {
 355                         auto dkdm_base = selected_dkdm ();
 356                         if (!dkdm_base) {
 357                                 return;
 358                         }
 359
 360                         list<KDMWithMetadataPtr> kdms;
 361                         string title;
 362
 363                         auto dkdm = std::dynamic_pointer_cast<DKDM>(dkdm_base);
 364                         if (!dkdm) {
 365                                 return;
 366                         }
 367
 368                         /* Decrypt the DKDM */
 369                         dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 370                         title = decrypted.content_title_text ();
 371
 372                         /* This is the signer for our new KDMs */
 373                         auto signer = Config::instance()->signer_chain ();
 374                         if (!signer->valid ()) {
 375                                 throw InvalidSignerError ();
 376                         }
 377
 378                         vector<KDMCertificatePeriod> period_checks;
 379
 380                         std::function<dcp::DecryptedKDM (dcp::LocalTime, dcp::LocalTime)> make_kdm = [decrypted, title](dcp::LocalTime begin, dcp::LocalTime end) {
 381                                 /* Make an empty KDM */
 382                                 dcp::DecryptedKDM kdm (
 383                                         begin,
 384                                         end,
 385                                         decrypted.annotation_text().get_value_or(""),
 386                                         title,
 387                                         dcp::LocalTime().as_string()
 388                                         );
 389
 390                                 /* Add keys from the DKDM */
 391                                 for (auto const& j: decrypted.keys()) {
 392                                         kdm.add_key(j);
 393                                 }
 394
 395                                 return kdm;
 396                         };
 397
 398                         for (auto i: _screens->screens()) {
 399
 400                                 auto kdm = kdm_for_screen(
 401                                         make_kdm,
 402                                         i,
 403                                         _timing->from(),
 404                                         _timing->until(),
 405                                         _output->formulation(),
 406                                         !_output->forensic_mark_video(),
 407                                         _output->forensic_mark_audio() ? boost::optional<int>() : 0,
 408                                         period_checks
 409                                         );
 410
 411                                 if (kdm) {
 412                                         kdms.push_back(kdm);
 413                                 }
 414                         }
 415
 416                         if (kdms.empty()) {
 417                                 return;
 418                         }
 419
 420                         if (find(period_checks.begin(), period_checks.end(), KDMCertificatePeriod::KDM_OUTSIDE_CERTIFICATE) != period_checks.end()) {
 421                                 error_dialog(
 422                                         this,
 423                                         _("Some KDMs would have validity periods which are completely outside the recipient certificate periods.  Such KDMs are very unlikely to work, so will not be created.")
 424                                         );
 425                                 return;
 426                         }
 427
 428                         if (find(period_checks.begin(), period_checks.end(), KDMCertificatePeriod::KDM_OVERLAPS_CERTIFICATE) != period_checks.end()) {
 429                                 message_dialog(
 430                                         this,
 431                                         _("For some of these KDMs the recipient certificate's validity period will not cover the whole of the KDM validity period.  This might cause problems with the KDMs.")
 432                                         );
 433                         }
 434
 435                         auto result = _output->make (
 436                                 kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
 437                                 );
 438
 439                         if (result.first) {
 440                                 JobManager::instance()->add (result.first);
 441                                 if (_job_view) {
 442                                         _job_view->Destroy ();
 443                                         _job_view = 0;
 444                                 }
 445                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 446                                 _job_view->ShowModal ();
 447                         }
 448
 449                         if (result.second > 0) {
 450                                 /* XXX: proper plural form support in wxWidgets? */
 451                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 452                                 message_dialog (
 453                                         this,
 454                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 455                                         );
 456                         }
 457                 } catch (dcp::BadKDMDateError& e) {
 458                         if (e.starts_too_early()) {
 459                                 error_dialog(this, _("The KDM start period is before (or close to) the start of the signing certificate's validity period.  Use a later start time for this KDM."));
 460                         } else {
 461                                 error_dialog(this, _("The KDM end period is after (or close to) the end of the signing certificates' validity period.  Either use an earlier end time for this KDM or re-create your signing certificates in the DCP-o-matic preferences window."));
 462                         }
 463                         return;
 464                 } catch (dcp::NotEncryptedError& e) {
 465                         error_dialog (this, _("CPL's content is not encrypted."));
 466                 } catch (exception& e) {
 467                         error_dialog (this, std_to_wx(e.what()));
 468                 } catch (...) {
 469                         error_dialog (this, _("An unknown exception occurred."));
 470                 }
 471         }
 472
 473         void setup_sensitivity ()
 474         {
 475                 _screens->setup_sensitivity ();
 476                 _output->setup_sensitivity ();
 477                 wxArrayTreeItemIds sel;
 478                 _dkdm->GetSelections (sel);
 479                 auto group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 480                 auto dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 481                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0 && dkdm);
 482                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 483                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 484         }
 485
 486         void dkdm_selection_changed()
 487         {
 488                 _selected_dkdm = selected_dkdm();
 489                 setup_sensitivity();
 490         }
 491
 492         void dkdm_expanded(wxTreeEvent& ev)
 493         {
 494                 if (_ignore_expand) {
 495                         return;
 496                 }
 497
 498                 auto iter = _dkdm_id.find(ev.GetItem());
 499                 if (iter != _dkdm_id.end()) {
 500                         _expanded_dkdm_groups.insert(iter->second);
 501                 }
 502         }
 503
 504         void dkdm_collapsed(wxTreeEvent& ev)
 505         {
 506                 auto iter = _dkdm_id.find(ev.GetItem());
 507                 if (iter != _dkdm_id.end()) {
 508                         _expanded_dkdm_groups.erase(iter->second);
 509                 }
 510         }
 511
 512         void dkdm_begin_drag (wxTreeEvent& ev)
 513         {
 514                 ev.Allow ();
 515         }
 516
 517         void dkdm_end_drag (wxTreeEvent& ev)
 518         {
 519                 auto from = _dkdm_id.find (_dkdm->GetSelection ());
 520                 auto to = _dkdm_id.find (ev.GetItem ());
 521                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 522                         return;
 523                 }
 524
 525                 auto group = dynamic_pointer_cast<DKDMGroup> (to->second);
 526                 if (!group) {
 527                         group = to->second->parent();
 528                 }
 529
 530                 DCPOMATIC_ASSERT (group);
 531                 DCPOMATIC_ASSERT (from->second->parent ());
 532
 533                 from->second->parent()->remove (from->second);
 534                 add_dkdm(from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 535
 536                 update_dkdm_view();
 537         }
 538
 539         void add_dkdm_clicked ()
 540         {
 541                 FileDialog dialog(this, _("Select DKDM file"), wxT("XML files|*.xml|All files|*.*"), wxFD_MULTIPLE, "AddDKDMPath");
 542                 if (!dialog.show()) {
 543                         return;
 544                 }
 545
 546                 for (auto path: dialog.paths()) {
 547                         add_dkdm(path);
 548                 }
 549         }
 550
 551         void add_dkdm(boost::filesystem::path path)
 552         {
 553                 auto chain = Config::instance()->decryption_chain();
 554                 DCPOMATIC_ASSERT (chain->key());
 555
 556                 try {
 557                         dcp::EncryptedKDM ekdm(dcp::file_to_string(path, MAX_KDM_SIZE));
 558                         /* Decrypt the DKDM to make sure that we can */
 559                         dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 560
 561                         auto new_dkdm = make_shared<DKDM>(ekdm);
 562                         auto group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 563                         if (!group) {
 564                                 group = Config::instance()->dkdms ();
 565                         }
 566                         add_dkdm(new_dkdm, group);
 567                 } catch (dcp::KDMFormatError& e) {
 568                         error_dialog (
 569                                 this,
 570                                 _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 571                                 std_to_wx(e.what())
 572                                 );
 573                         return;
 574                 } catch (dcp::KDMDecryptionError &) {
 575                         error_dialog (
 576                                 this,
 577                                 _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 578                                 );
 579                 } catch (dcp::MiscError& e) {
 580                         error_dialog (
 581                                 this,
 582                                 _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 583                                 std_to_wx(e.what())
 584                                 );
 585                 }
 586
 587                 update_dkdm_view();
 588         }
 589
 590         void add_dkdm_folder_clicked ()
 591         {
 592                 NewDKDMFolderDialog dialog(this);
 593                 if (dialog.ShowModal() != wxID_OK) {
 594                         return;
 595                 }
 596
 597                 auto new_dkdm = make_shared<DKDMGroup>(wx_to_std(dialog.get()));
 598                 auto parent = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 599                 if (!parent) {
 600                         parent = Config::instance()->dkdms ();
 601                 }
 602                 add_dkdm(new_dkdm, parent);
 603                 update_dkdm_view();
 604         }
 605
 606         void update_dkdm_view()
 607         {
 608                 _dkdm->DeleteAllItems();
 609                 _dkdm_id.clear();
 610                 add_dkdm_to_view(Config::instance()->dkdms());
 611                 if (_selected_dkdm) {
 612                         auto selection_in_id_map = std::find_if(_dkdm_id.begin(), _dkdm_id.end(), [this](pair<wxTreeItemId, shared_ptr<DKDMBase>> const& entry) {
 613                                 return entry.second == _selected_dkdm;
 614                         });
 615                         if (selection_in_id_map != _dkdm_id.end()) {
 616                                 _dkdm->SelectItem(selection_in_id_map->first);
 617                         }
 618                 }
 619         }
 620
 621         /** @return true if this thing or any of its children match a search string */
 622         bool matches(shared_ptr<DKDMBase> base, string const& search)
 623         {
 624                 if (search.empty()) {
 625                         return true;
 626                 }
 627
 628                 auto name = base->name();
 629                 transform(name.begin(), name.end(), name.begin(), ::tolower);
 630                 if (name.find(search) != string::npos) {
 631                         return true;
 632                 }
 633
 634                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 635                 if (!group) {
 636                         return false;
 637                 }
 638
 639                 auto const children = group->children();
 640                 return std::any_of(children.begin(), children.end(), [this, search](shared_ptr<DKDMBase> child) {
 641                         return matches(child, search);
 642                 });
 643         }
 644
 645         /** Add DKDMs to the view that match the current search */
 646         void add_dkdm_to_view(shared_ptr<DKDMBase> base)
 647         {
 648                 auto search = wx_to_std(_dkdm_search->GetValue());
 649                 transform(search.begin(), search.end(), search.begin(), ::tolower);
 650
 651                 optional<wxTreeItemId> group_to_expand;
 652
 653                 if (!base->parent()) {
 654                         /* This is the root group */
 655                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 656                 } else {
 657                         /* Add base to the view */
 658                         wxTreeItemId added;
 659                         auto parent_id = dkdm_to_id(base->parent());
 660                         added = _dkdm->AppendItem(parent_id, std_to_wx(base->name()));
 661                         /* Expand the group (later) if it matches the search or it was manually expanded */
 662                         if (!search.empty() || _expanded_dkdm_groups.find(base) != _expanded_dkdm_groups.end()) {
 663                                 group_to_expand = added;
 664                         }
 665                         _dkdm_id[added] = base;
 666                 }
 667
 668                 /* Add children */
 669                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 670                 if (group) {
 671                         auto children = group->children();
 672                         children.sort(
 673                                 [this](shared_ptr<DKDMBase> a, shared_ptr<DKDMBase> b) { return _collator.compare(a->name(), b->name()) < 0; }
 674                         );
 675
 676                         for (auto i: children) {
 677                                 if (matches(i, search)) {
 678                                         add_dkdm_to_view(i);
 679                                 }
 680                         }
 681                 }
 682
 683                 if (group_to_expand) {
 684                         _ignore_expand = true;
 685                         _dkdm->Expand(*group_to_expand);
 686                         _ignore_expand = false;
 687                 }
 688         }
 689
 690         /** @param group Group to add dkdm to */
 691         void add_dkdm(shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM>())
 692         {
 693                 group->add (dkdm, previous);
 694                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 695                    This isn't nice.
 696                 */
 697                 Config::instance()->changed ();
 698         }
 699
 700         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 701         {
 702                 for (auto const& i: _dkdm_id) {
 703                         if (i.second == dkdm) {
 704                                 return i.first;
 705                         }
 706                 }
 707                 DCPOMATIC_ASSERT (false);
 708         }
 709
 710         void remove_dkdm_clicked ()
 711         {
 712                 auto removed = selected_dkdm ();
 713                 if (!removed) {
 714                         return;
 715                 }
 716
 717                 if (NagDialog::maybe_nag (
 718                             this, Config::NAG_DELETE_DKDM,
 719                             _("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.  "
 720                               "Are you sure?"),
 721                             true)) {
 722                         return;
 723                 }
 724
 725                 _dkdm->Delete (dkdm_to_id (removed));
 726                 auto dkdms = Config::instance()->dkdms ();
 727                 dkdms->remove (removed);
 728                 Config::instance()->changed ();
 729         }
 730
 731         void export_dkdm_clicked ()
 732         {
 733                 auto removed = selected_dkdm ();
 734                 if (!removed) {
 735                         return;
 736                 }
 737
 738                 auto dkdm = dynamic_pointer_cast<DKDM>(removed);
 739                 if (!dkdm) {
 740                         return;
 741                 }
 742
 743                 wxFileDialog dialog(
 744                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 745                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 746                         );
 747
 748                 if (dialog.ShowModal() == wxID_OK) {
 749                         dkdm->dkdm().as_xml(wx_to_std(dialog.GetPath()));
 750                 }
 751         }
 752
 753         void dkdm_search_changed()
 754         {
 755                 update_dkdm_view();
 756         }
 757
 758         wxPreferencesEditor* _config_dialog;
 759         ScreensPanel* _screens;
 760         KDMTimingPanel* _timing;
 761         wxTreeCtrl* _dkdm;
 762         wxSearchCtrl* _dkdm_search;
 763         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase>> DKDMMap;
 764         DKDMMap _dkdm_id;
 765         /* Keep a separate track of the selected DKDM so that when a search happens, and some things
 766          * get removed from the view, we can restore the selection when they are re-added.
 767          */
 768         shared_ptr<DKDMBase> _selected_dkdm;
 769         /* Keep expanded groups for the same reason */
 770         unordered_set<shared_ptr<DKDMBase>> _expanded_dkdm_groups;
 771         /* true if we are "artificially" expanding a group because it contains something found
 772          * in a search.
 773          */
 774         bool _ignore_expand = false;
 775         wxButton* _add_dkdm;
 776         wxButton* _add_dkdm_folder;
 777         wxButton* _remove_dkdm;
 778         wxButton* _export_dkdm;
 779         wxButton* _create;
 780         KDMOutputPanel* _output;
 781         JobViewDialog* _job_view;
 782         Collator _collator;
 783 };
 784
 785
 786 /** @class App
 787  *  @brief The magic App class for wxWidgets.
 788  */
 789 class App : public wxApp
 790 {
 791 public:
 792         App ()
 793                 : wxApp ()
 794                 , _frame (nullptr)
 795         {}
 796
 797 private:
 798
 799         bool OnInit () override
 800         {
 801                 wxSplashScreen* splash;
 802
 803                 try {
 804                         wxInitAllImageHandlers ();
 805
 806                         Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
 807                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 808
 809                         splash = maybe_show_splash ();
 810
 811                         SetAppName (_("DCP-o-matic KDM Creator"));
 812
 813                         if (!wxApp::OnInit()) {
 814                                 return false;
 815                         }
 816
 817 #ifdef DCPOMATIC_LINUX
 818                         unsetenv ("UBUNTU_MENUPROXY");
 819 #endif
 820
 821 #ifdef DCPOMATIC_OSX
 822                         make_foreground_application ();
 823 #endif
 824
 825                         dcpomatic_setup_path_encoding ();
 826
 827                         /* Enable i18n; this will create a Config object
 828                            to look for a force-configured language.  This Config
 829                            object will be wrong, however, because dcpomatic_setup
 830                            hasn't yet been called and there aren't any filters etc.
 831                            set up yet.
 832                         */
 833                         dcpomatic_setup_i18n ();
 834
 835                         /* Set things up, including filters etc.
 836                            which will now be internationalised correctly.
 837                         */
 838                         dcpomatic_setup ();
 839
 840                         /* Force the configuration to be re-loaded correctly next
 841                            time it is needed.
 842                         */
 843                         Config::drop ();
 844
 845                         _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 846                         SetTopWindow (_frame);
 847                         _frame->Maximize ();
 848                         if (splash) {
 849                                 splash->Destroy ();
 850                                 splash = nullptr;
 851                         }
 852                         _frame->Show ();
 853
 854                         signal_manager = new wxSignalManager (this);
 855                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 856                 }
 857                 catch (exception& e)
 858                 {
 859                         if (splash) {
 860                                 splash->Destroy ();
 861                         }
 862                         error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 863                 }
 864
 865                 return true;
 866         }
 867
 868         /* An unhandled exception has occurred inside the main event loop */
 869         bool OnExceptionInMainLoop () override
 870         {
 871                 try {
 872                         throw;
 873                 } catch (FileError& e) {
 874                         error_dialog (
 875                                 0,
 876                                 wxString::Format (
 877                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 878                                         std_to_wx (e.what()),
 879                                         std_to_wx (e.file().string().c_str ())
 880                                         )
 881                                 );
 882                 } catch (exception& e) {
 883                         error_dialog (
 884                                 nullptr,
 885                                 wxString::Format (
 886                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 887                                         std_to_wx(e.what())
 888                                         )
 889                                 );
 890                 } catch (...) {
 891                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 892                 }
 893
 894                 /* This will terminate the program */
 895                 return false;
 896         }
 897
 898         void OnUnhandledException () override
 899         {
 900                 error_dialog (nullptr, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 901         }
 902
 903         void idle ()
 904         {
 905                 signal_manager->ui_idle ();
 906         }
 907
 908         void config_failed_to_load(Config::LoadFailure what)
 909         {
 910                 report_config_load_failure(_frame, what);
 911         }
 912
 913         void config_warning (string m)
 914         {
 915                 message_dialog (_frame, std_to_wx(m));
 916         }
 917
 918         DOMFrame* _frame;
 919 };
 920
 921 IMPLEMENT_APP (App)