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/invalid_certificate_period_dialog.h"
  26 #include "wx/file_dialog.h"
  27 #include "wx/file_picker_ctrl.h"
  28 #include "wx/full_config_dialog.h"
  29 #include "wx/job_view_dialog.h"
  30 #include "wx/kdm_output_panel.h"
  31 #include "wx/kdm_timing_panel.h"
  32 #include "wx/nag_dialog.h"
  33 #include "wx/new_dkdm_folder_dialog.h"
  34 #include "wx/report_problem_dialog.h"
  35 #include "wx/screens_panel.h"
  36 #include "wx/static_text.h"
  37 #include "wx/wx_signal_manager.h"
  38 #include "wx/wx_util.h"
  39 #include "lib/cinema.h"
  40 #include "lib/collator.h"
  41 #include "lib/compose.hpp"
  42 #include "lib/constants.h"
  43 #include "lib/config.h"
  44 #include "lib/cross.h"
  45 #include "lib/dcpomatic_log.h"
  46 #include "lib/dkdm_wrapper.h"
  47 #include "lib/exceptions.h"
  48 #include "lib/file_log.h"
  49 #include "lib/job_manager.h"
  50 #include "lib/kdm_util.h"
  51 #include "lib/kdm_with_metadata.h"
  52 #include "lib/screen.h"
  53 #include "lib/send_kdm_email_job.h"
  54 #include <dcp/encrypted_kdm.h>
  55 #include <dcp/decrypted_kdm.h>
  56 #include <dcp/exceptions.h>
  57 #include <dcp/filesystem.h>
  58 #include <dcp/warnings.h>
  59 LIBDCP_DISABLE_WARNINGS
  60 #include <wx/dnd.h>
  61 #include <wx/filepicker.h>
  62 #include <wx/preferences.h>
  63 #include <wx/splash.h>
  64 #include <wx/srchctrl.h>
  65 #include <wx/treectrl.h>
  66 #include <wx/wx.h>
  67 LIBDCP_ENABLE_WARNINGS
  68 #ifdef __WXOSX__
  69 #include <ApplicationServices/ApplicationServices.h>
  70 #endif
  71 #include <boost/bind/bind.hpp>
  72 #include <unordered_set>
  73
  74 #ifdef check
  75 #undef check
  76 #endif
  77
  78
  79 using std::dynamic_pointer_cast;
  80 using std::exception;
  81 using std::list;
  82 using std::make_shared;
  83 using std::map;
  84 using std::pair;
  85 using std::shared_ptr;
  86 using std::string;
  87 using std::unordered_set;
  88 using std::vector;
  89 using boost::bind;
  90 using boost::optional;
  91 using boost::ref;
  92 #if BOOST_VERSION >= 106100
  93 using namespace boost::placeholders;
  94 #endif
  95 using namespace dcpomatic;
  96
  97
  98 enum {
  99         ID_help_report_a_problem = 1,
 100 };
 101
 102
 103 class DOMFrame : public wxFrame
 104 {
 105 public:
 106         explicit DOMFrame (wxString const & title)
 107                 : wxFrame (nullptr, -1, title)
 108                 , _config_dialog (nullptr)
 109                 , _job_view (nullptr)
 110         {
 111 #if defined(DCPOMATIC_WINDOWS)
 112                 if (Config::instance()->win32_console ()) {
 113                         AllocConsole();
 114
 115                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 116                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 117                         FILE* hf_out = _fdopen(hCrt, "w");
 118                         setvbuf(hf_out, NULL, _IONBF, 1);
 119                         *stdout = *hf_out;
 120
 121                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 122                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 123                         FILE* hf_in = _fdopen(hCrt, "r");
 124                         setvbuf(hf_in, NULL, _IONBF, 128);
 125                         *stdin = *hf_in;
 126
 127                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 128                 }
 129 #endif
 130
 131                 auto bar = new wxMenuBar;
 132                 setup_menu (bar);
 133                 SetMenuBar (bar);
 134
 135                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 136                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 137                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 138                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 139
 140                 /* Use a panel as the only child of the Frame so that we avoid
 141                    the dark-grey background on Windows.
 142                 */
 143                 auto overall_panel = new wxPanel (this, wxID_ANY);
 144                 auto main_sizer = new wxBoxSizer (wxHORIZONTAL);
 145
 146                 auto horizontal = new wxBoxSizer (wxHORIZONTAL);
 147                 auto left = new wxBoxSizer (wxVERTICAL);
 148                 auto right = new wxBoxSizer (wxVERTICAL);
 149
 150                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 151                 horizontal->Add (right, 1, wxEXPAND);
 152
 153                 wxFont subheading_font (*wxNORMAL_FONT);
 154                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 155
 156                 auto h = new StaticText (overall_panel, _("Screens"));
 157                 h->SetFont (subheading_font);
 158                 left->Add (h, 0, wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 159                 _screens = new ScreensPanel (overall_panel);
 160                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 161
 162                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 163                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 164                 h->SetFont (subheading_font);
 165                 right->Add (h);
 166                 _timing = new KDMTimingPanel (overall_panel);
 167                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 168
 169                 h = new StaticText (overall_panel, _("DKDM"));
 170                 h->SetFont (subheading_font);
 171                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 172
 173                 _dkdm_search = new wxSearchCtrl(overall_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, search_ctrl_height()));
 174 #ifndef __WXGTK3__
 175                 /* The cancel button seems to be strangely broken in GTK3; clicking on it twice sometimes works */
 176                 _dkdm_search->ShowCancelButton (true);
 177 #endif
 178
 179                 right->Add(_dkdm_search, 0, wxTOP | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 180
 181                 class DKDMDropTarget : public wxFileDropTarget
 182                 {
 183                 public:
 184                         DKDMDropTarget(DOMFrame* frame)
 185                                 : _frame(frame)
 186                         {}
 187
 188                         bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 189                         {
 190                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 191                                         _frame->add_dkdm(boost::filesystem::path(wx_to_std(filenames[0])));
 192                                 }
 193
 194                                 return true;
 195                         }
 196
 197                 private:
 198                         DOMFrame* _frame;
 199                 };
 200
 201                 auto dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 202                 _dkdm = new wxTreeCtrl (
 203                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 204                 );
 205                 _dkdm->SetDropTarget(new DKDMDropTarget(this));
 206                 dkdm_sizer->Add(_dkdm, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 207                 auto dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 208                 _add_dkdm = new Button (overall_panel, _("Add..."));
 209                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 210                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 211                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 212                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 213                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 214                 _export_dkdm = new Button (overall_panel, _("Export..."));
 215                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 216                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 217                 right->Add (dkdm_sizer, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 218
 219                 update_dkdm_view();
 220
 221                 h = new StaticText (overall_panel, _("Output"));
 222                 h->SetFont (subheading_font);
 223                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 224                 _output = new KDMOutputPanel (overall_panel);
 225                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 226
 227                 _create = new Button (overall_panel, _("Create KDMs"));
 228                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 229
 230                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 231                 overall_panel->SetSizer (main_sizer);
 232
 233                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 234                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 235
 236                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 237                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 238                 _dkdm->Bind(wxEVT_TREE_SEL_CHANGED, boost::bind(&DOMFrame::dkdm_selection_changed, this));
 239                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 240                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 241                 _dkdm->Bind(wxEVT_TREE_ITEM_EXPANDED, boost::bind(&DOMFrame::dkdm_expanded, this, _1));
 242                 _dkdm->Bind(wxEVT_TREE_ITEM_COLLAPSED, boost::bind(&DOMFrame::dkdm_collapsed, this, _1));
 243                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 244                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 245                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 246                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 247                 _dkdm_search->Bind(wxEVT_TEXT, boost::bind(&DOMFrame::dkdm_search_changed, this));
 248                 _timing->TimingChanged.connect(boost::bind(&DOMFrame::setup_sensitivity, this));
 249
 250                 setup_sensitivity ();
 251
 252                 dcpomatic_log = make_shared<FileLog>(State::write_path("kdm.log"));
 253         }
 254
 255 private:
 256         void file_exit ()
 257         {
 258                 /* false here allows the close handler to veto the close request */
 259                 Close (false);
 260         }
 261
 262         void edit_preferences ()
 263         {
 264                 if (!_config_dialog) {
 265                         _config_dialog = create_full_config_dialog ();
 266                 }
 267                 _config_dialog->Show (this);
 268         }
 269
 270         void help_about ()
 271         {
 272                 AboutDialog dialog(this);
 273                 dialog.ShowModal();
 274         }
 275
 276         void help_report_a_problem ()
 277         {
 278                 ReportProblemDialog dialog(this, shared_ptr<Film>());
 279                 if (dialog.ShowModal() == wxID_OK) {
 280                         dialog.report();
 281                 }
 282         }
 283
 284         void setup_menu (wxMenuBar* m)
 285         {
 286                 auto file = new wxMenu;
 287
 288 #ifdef __WXOSX__
 289                 file->Append (wxID_EXIT, _("&Exit"));
 290 #else
 291                 file->Append (wxID_EXIT, _("&Quit"));
 292 #endif
 293
 294 #ifdef __WXOSX__
 295                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 296 #else
 297                 wxMenu* edit = new wxMenu;
 298                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 299 #endif
 300
 301                 wxMenu* help = new wxMenu;
 302 #ifdef __WXOSX__
 303                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 304 #else
 305                 help->Append (wxID_ABOUT, _("About"));
 306 #endif
 307                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 308
 309                 m->Append (file, _("&File"));
 310 #ifndef __WXOSX__
 311                 m->Append (edit, _("&Edit"));
 312 #endif
 313                 m->Append (help, _("&Help"));
 314         }
 315
 316         bool confirm_overwrite (boost::filesystem::path path)
 317         {
 318                 if (dcp::filesystem::is_directory(path)) {
 319                         return confirm_dialog (
 320                                 this,
 321                                 wxString::Format(_("Folder %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 322                                 );
 323                 } else {
 324                         return confirm_dialog (
 325                                 this,
 326                                 wxString::Format(_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 327                                 );
 328                 }
 329         }
 330
 331         /** @id if not nullptr this is filled in with the wxTreeItemId of the selection */
 332         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = nullptr) const
 333         {
 334                 wxArrayTreeItemIds selections;
 335                 _dkdm->GetSelections (selections);
 336                 if (selections.GetCount() != 1) {
 337                         if (id) {
 338                                 *id = 0;
 339                         }
 340                         return {};
 341                 }
 342
 343                 if (id) {
 344                         *id = selections[0];
 345                 }
 346
 347                 auto i = _dkdm_id.find (selections[0]);
 348                 if (i == _dkdm_id.end()) {
 349                         return {};
 350                 }
 351
 352                 return i->second;
 353         }
 354
 355         void create_kdms ()
 356         {
 357                 try {
 358                         auto dkdm_base = selected_dkdm ();
 359                         if (!dkdm_base) {
 360                                 return;
 361                         }
 362
 363                         list<KDMWithMetadataPtr> kdms;
 364                         string title;
 365
 366                         auto dkdm = std::dynamic_pointer_cast<DKDM>(dkdm_base);
 367                         if (!dkdm) {
 368                                 return;
 369                         }
 370
 371                         /* Decrypt the DKDM */
 372                         dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 373                         title = decrypted.content_title_text ();
 374
 375                         /* This is the signer for our new KDMs */
 376                         auto signer = Config::instance()->signer_chain ();
 377                         if (!signer->valid ()) {
 378                                 throw InvalidSignerError ();
 379                         }
 380
 381                         vector<KDMCertificatePeriod> period_checks;
 382
 383                         std::function<dcp::DecryptedKDM (dcp::LocalTime, dcp::LocalTime)> make_kdm = [decrypted, title](dcp::LocalTime begin, dcp::LocalTime end) {
 384                                 /* Make an empty KDM */
 385                                 dcp::DecryptedKDM kdm (
 386                                         begin,
 387                                         end,
 388                                         decrypted.annotation_text().get_value_or(""),
 389                                         title,
 390                                         dcp::LocalTime().as_string()
 391                                         );
 392
 393                                 /* Add keys from the DKDM */
 394                                 for (auto const& j: decrypted.keys()) {
 395                                         kdm.add_key(j);
 396                                 }
 397
 398                                 return kdm;
 399                         };
 400
 401                         for (auto i: _screens->screens()) {
 402
 403                                 auto kdm = kdm_for_screen(
 404                                         make_kdm,
 405                                         i,
 406                                         _timing->from(),
 407                                         _timing->until(),
 408                                         _output->formulation(),
 409                                         !_output->forensic_mark_video(),
 410                                         _output->forensic_mark_audio() ? boost::optional<int>() : 0,
 411                                         period_checks
 412                                         );
 413
 414                                 if (kdm) {
 415                                         kdms.push_back(kdm);
 416                                 }
 417                         }
 418
 419                         if (kdms.empty()) {
 420                                 return;
 421                         }
 422
 423                         if (
 424                                 find_if(
 425                                         period_checks.begin(),
 426                                         period_checks.end(),
 427                                         [](KDMCertificatePeriod const& p) { return p.overlap != KDMCertificateOverlap::KDM_WITHIN_CERTIFICATE; }
 428                                        ) != period_checks.end()) {
 429                                 InvalidCertificatePeriodDialog dialog(this, period_checks);
 430                                 if (dialog.ShowModal() == wxID_CANCEL) {
 431                                         return;
 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() && _timing->valid() && 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                 /* Check we're not adding a group to one of its children */
 531                 auto to_parent = group;
 532                 while (to_parent) {
 533                         if (from->second == to_parent) {
 534                                 return;
 535                         }
 536                         to_parent = to_parent->parent();
 537                 }
 538
 539                 DCPOMATIC_ASSERT (group);
 540                 DCPOMATIC_ASSERT (from->second->parent ());
 541
 542                 from->second->parent()->remove (from->second);
 543                 add_dkdm(from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 544
 545                 update_dkdm_view();
 546         }
 547
 548         void add_dkdm_clicked ()
 549         {
 550                 FileDialog dialog(this, _("Select DKDM file"), wxT("XML files|*.xml|All files|*.*"), wxFD_MULTIPLE, "AddDKDMPath");
 551                 if (!dialog.show()) {
 552                         return;
 553                 }
 554
 555                 for (auto path: dialog.paths()) {
 556                         add_dkdm(path);
 557                 }
 558         }
 559
 560         void add_dkdm(boost::filesystem::path path)
 561         {
 562                 auto chain = Config::instance()->decryption_chain();
 563                 DCPOMATIC_ASSERT (chain->key());
 564
 565                 try {
 566                         dcp::EncryptedKDM ekdm(dcp::file_to_string(path, MAX_KDM_SIZE));
 567                         /* Decrypt the DKDM to make sure that we can */
 568                         dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 569
 570                         auto new_dkdm = make_shared<DKDM>(ekdm);
 571
 572                         if (Config::instance()->dkdms()->contains(new_dkdm->dkdm().id())) {
 573                                 error_dialog(
 574                                         this,
 575                                         wxString::Format(_("DKDM %s is already in the DKDM list and will not be added again."), std_to_wx(new_dkdm->dkdm().id()))
 576                                         );
 577                                 return;
 578                         }
 579
 580                         auto group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 581                         if (!group) {
 582                                 group = Config::instance()->dkdms ();
 583                         }
 584                         add_dkdm(new_dkdm, group);
 585                 } catch (dcp::KDMFormatError& e) {
 586                         error_dialog (
 587                                 this,
 588                                 _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 589                                 std_to_wx(e.what())
 590                                 );
 591                         return;
 592                 } catch (dcp::KDMDecryptionError &) {
 593                         error_dialog (
 594                                 this,
 595                                 _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 596                                 );
 597                 } catch (dcp::MiscError& e) {
 598                         error_dialog (
 599                                 this,
 600                                 _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 601                                 std_to_wx(e.what())
 602                                 );
 603                 }
 604
 605                 update_dkdm_view();
 606         }
 607
 608         void add_dkdm_folder_clicked ()
 609         {
 610                 NewDKDMFolderDialog dialog(this);
 611                 if (dialog.ShowModal() != wxID_OK) {
 612                         return;
 613                 }
 614
 615                 auto new_dkdm = make_shared<DKDMGroup>(wx_to_std(dialog.get()));
 616                 auto parent = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 617                 if (!parent) {
 618                         parent = Config::instance()->dkdms ();
 619                 }
 620                 add_dkdm(new_dkdm, parent);
 621                 update_dkdm_view();
 622         }
 623
 624         void update_dkdm_view()
 625         {
 626                 _dkdm->DeleteAllItems();
 627                 _dkdm_id.clear();
 628                 add_dkdm_to_view(Config::instance()->dkdms());
 629                 if (_selected_dkdm) {
 630                         auto selection_in_id_map = std::find_if(_dkdm_id.begin(), _dkdm_id.end(), [this](pair<wxTreeItemId, shared_ptr<DKDMBase>> const& entry) {
 631                                 return entry.second == _selected_dkdm;
 632                         });
 633                         if (selection_in_id_map != _dkdm_id.end()) {
 634                                 _dkdm->SelectItem(selection_in_id_map->first);
 635                         }
 636                 }
 637         }
 638
 639         /** @return true if this thing or any of its children match a search string */
 640         bool matches(shared_ptr<DKDMBase> base, string const& search)
 641         {
 642                 if (search.empty()) {
 643                         return true;
 644                 }
 645
 646                 auto name = base->name();
 647                 transform(name.begin(), name.end(), name.begin(), ::tolower);
 648                 if (name.find(search) != string::npos) {
 649                         return true;
 650                 }
 651
 652                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 653                 if (!group) {
 654                         return false;
 655                 }
 656
 657                 auto const children = group->children();
 658                 return std::any_of(children.begin(), children.end(), [this, search](shared_ptr<DKDMBase> child) {
 659                         return matches(child, search);
 660                 });
 661         }
 662
 663         /** Add DKDMs to the view that match the current search */
 664         void add_dkdm_to_view(shared_ptr<DKDMBase> base)
 665         {
 666                 auto search = wx_to_std(_dkdm_search->GetValue());
 667                 transform(search.begin(), search.end(), search.begin(), ::tolower);
 668
 669                 optional<wxTreeItemId> group_to_expand;
 670
 671                 if (!base->parent()) {
 672                         /* This is the root group */
 673                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 674                 } else {
 675                         /* Add base to the view */
 676                         wxTreeItemId added;
 677                         auto parent_id = dkdm_to_id(base->parent());
 678                         added = _dkdm->AppendItem(parent_id, std_to_wx(base->name()));
 679                         /* Expand the group (later) if it matches the search or it was manually expanded */
 680                         if (!search.empty() || _expanded_dkdm_groups.find(base) != _expanded_dkdm_groups.end()) {
 681                                 group_to_expand = added;
 682                         }
 683                         _dkdm_id[added] = base;
 684                 }
 685
 686                 /* Add children */
 687                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 688                 if (group) {
 689                         auto children = group->children();
 690                         children.sort(
 691                                 [this](shared_ptr<DKDMBase> a, shared_ptr<DKDMBase> b) { return _collator.compare(a->name(), b->name()) < 0; }
 692                         );
 693
 694                         for (auto i: children) {
 695                                 if (matches(i, search)) {
 696                                         add_dkdm_to_view(i);
 697                                 }
 698                         }
 699                 }
 700
 701                 if (group_to_expand) {
 702                         _ignore_expand = true;
 703                         _dkdm->Expand(*group_to_expand);
 704                         _ignore_expand = false;
 705                 }
 706         }
 707
 708         /** @param group Group to add dkdm to */
 709         void add_dkdm(shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM>())
 710         {
 711                 group->add (dkdm, previous);
 712                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 713                    This isn't nice.
 714                 */
 715                 Config::instance()->changed ();
 716         }
 717
 718         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 719         {
 720                 for (auto const& i: _dkdm_id) {
 721                         if (i.second == dkdm) {
 722                                 return i.first;
 723                         }
 724                 }
 725                 DCPOMATIC_ASSERT (false);
 726         }
 727
 728         void remove_dkdm_clicked ()
 729         {
 730                 auto removed = selected_dkdm ();
 731                 if (!removed) {
 732                         return;
 733                 }
 734
 735                 if (removed->contains_dkdm()) {
 736                         if (NagDialog::maybe_nag(
 737                                     this, Config::NAG_DELETE_DKDM,
 738                                     _("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.  "
 739                                       "Are you sure?"),
 740                                     true)) {
 741                                 return;
 742                         }
 743                 }
 744
 745                 _dkdm->Delete (dkdm_to_id (removed));
 746                 auto dkdms = Config::instance()->dkdms ();
 747                 dkdms->remove (removed);
 748                 Config::instance()->changed ();
 749         }
 750
 751         void export_dkdm_clicked ()
 752         {
 753                 auto removed = selected_dkdm ();
 754                 if (!removed) {
 755                         return;
 756                 }
 757
 758                 auto dkdm = dynamic_pointer_cast<DKDM>(removed);
 759                 if (!dkdm) {
 760                         return;
 761                 }
 762
 763                 wxFileDialog dialog(
 764                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 765                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 766                         );
 767
 768                 if (dialog.ShowModal() == wxID_OK) {
 769                         dkdm->dkdm().as_xml(wx_to_std(dialog.GetPath()));
 770                 }
 771         }
 772
 773         void dkdm_search_changed()
 774         {
 775                 update_dkdm_view();
 776         }
 777
 778         wxPreferencesEditor* _config_dialog;
 779         ScreensPanel* _screens;
 780         KDMTimingPanel* _timing;
 781         wxTreeCtrl* _dkdm;
 782         wxSearchCtrl* _dkdm_search;
 783         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase>> DKDMMap;
 784         DKDMMap _dkdm_id;
 785         /* Keep a separate track of the selected DKDM so that when a search happens, and some things
 786          * get removed from the view, we can restore the selection when they are re-added.
 787          */
 788         shared_ptr<DKDMBase> _selected_dkdm;
 789         /* Keep expanded groups for the same reason */
 790         unordered_set<shared_ptr<DKDMBase>> _expanded_dkdm_groups;
 791         /* true if we are "artificially" expanding a group because it contains something found
 792          * in a search.
 793          */
 794         bool _ignore_expand = false;
 795         wxButton* _add_dkdm;
 796         wxButton* _add_dkdm_folder;
 797         wxButton* _remove_dkdm;
 798         wxButton* _export_dkdm;
 799         wxButton* _create;
 800         KDMOutputPanel* _output;
 801         JobViewDialog* _job_view;
 802         Collator _collator;
 803 };
 804
 805
 806 /** @class App
 807  *  @brief The magic App class for wxWidgets.
 808  */
 809 class App : public wxApp
 810 {
 811 public:
 812         App ()
 813                 : wxApp ()
 814                 , _frame (nullptr)
 815         {}
 816
 817 private:
 818
 819         bool OnInit () override
 820         {
 821                 wxSplashScreen* splash;
 822
 823                 try {
 824                         wxInitAllImageHandlers ();
 825
 826                         Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
 827                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 828
 829                         splash = maybe_show_splash ();
 830
 831                         SetAppName (_("DCP-o-matic KDM Creator"));
 832
 833                         if (!wxApp::OnInit()) {
 834                                 return false;
 835                         }
 836
 837 #ifdef DCPOMATIC_LINUX
 838                         unsetenv ("UBUNTU_MENUPROXY");
 839 #endif
 840
 841 #ifdef DCPOMATIC_OSX
 842                         make_foreground_application ();
 843 #endif
 844
 845                         dcpomatic_setup_path_encoding ();
 846
 847                         /* Enable i18n; this will create a Config object
 848                            to look for a force-configured language.  This Config
 849                            object will be wrong, however, because dcpomatic_setup
 850                            hasn't yet been called and there aren't any filters etc.
 851                            set up yet.
 852                         */
 853                         dcpomatic_setup_i18n ();
 854
 855                         /* Set things up, including filters etc.
 856                            which will now be internationalised correctly.
 857                         */
 858                         dcpomatic_setup ();
 859
 860                         /* Force the configuration to be re-loaded correctly next
 861                            time it is needed.
 862                         */
 863                         Config::drop ();
 864
 865                         _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 866                         SetTopWindow (_frame);
 867                         _frame->Maximize ();
 868                         if (splash) {
 869                                 splash->Destroy ();
 870                                 splash = nullptr;
 871                         }
 872                         _frame->Show ();
 873
 874                         signal_manager = new wxSignalManager (this);
 875                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 876                 }
 877                 catch (exception& e)
 878                 {
 879                         if (splash) {
 880                                 splash->Destroy ();
 881                         }
 882                         error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 883                 }
 884
 885                 return true;
 886         }
 887
 888         /* An unhandled exception has occurred inside the main event loop */
 889         bool OnExceptionInMainLoop () override
 890         {
 891                 try {
 892                         throw;
 893                 } catch (FileError& e) {
 894                         error_dialog (
 895                                 0,
 896                                 wxString::Format (
 897                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 898                                         std_to_wx (e.what()),
 899                                         std_to_wx (e.file().string().c_str ())
 900                                         )
 901                                 );
 902                 } catch (exception& e) {
 903                         error_dialog (
 904                                 nullptr,
 905                                 wxString::Format (
 906                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 907                                         std_to_wx(e.what())
 908                                         )
 909                                 );
 910                 } catch (...) {
 911                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 912                 }
 913
 914                 /* This will terminate the program */
 915                 return false;
 916         }
 917
 918         void OnUnhandledException () override
 919         {
 920                 error_dialog (nullptr, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 921         }
 922
 923         void idle ()
 924         {
 925                 signal_manager->ui_idle ();
 926         }
 927
 928         void config_failed_to_load(Config::LoadFailure what)
 929         {
 930                 report_config_load_failure(_frame, what);
 931         }
 932
 933         void config_warning (string m)
 934         {
 935                 message_dialog (_frame, std_to_wx(m));
 936         }
 937
 938         DOMFrame* _frame;
 939 };
 940
 941 IMPLEMENT_APP (App)