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/id.h"
  26 #include "wx/invalid_certificate_period_dialog.h"
  27 #include "wx/file_dialog.h"
  28 #include "wx/file_picker_ctrl.h"
  29 #include "wx/full_config_dialog.h"
  30 #include "wx/job_view_dialog.h"
  31 #include "wx/kdm_output_panel.h"
  32 #include "wx/kdm_timing_panel.h"
  33 #include "wx/nag_dialog.h"
  34 #include "wx/new_dkdm_folder_dialog.h"
  35 #include "wx/report_problem_dialog.h"
  36 #include "wx/screens_panel.h"
  37 #include "wx/static_text.h"
  38 #include "wx/wx_signal_manager.h"
  39 #include "wx/wx_util.h"
  40 #include "wx/wx_variant.h"
  41 #include "lib/cinema.h"
  42 #include "lib/collator.h"
  43 #include "lib/compose.hpp"
  44 #include "lib/constants.h"
  45 #include "lib/config.h"
  46 #include "lib/cross.h"
  47 #include "lib/dcpomatic_log.h"
  48 #include "lib/dkdm_wrapper.h"
  49 #include "lib/exceptions.h"
  50 #include "lib/file_log.h"
  51 #include "lib/job_manager.h"
  52 #include "lib/kdm_util.h"
  53 #include "lib/kdm_with_metadata.h"
  54 #include "lib/screen.h"
  55 #include "lib/send_kdm_email_job.h"
  56 #include "lib/util.h"
  57 #include "lib/variant.h"
  58 #include <dcp/encrypted_kdm.h>
  59 #include <dcp/decrypted_kdm.h>
  60 #include <dcp/exceptions.h>
  61 #include <dcp/filesystem.h>
  62 #include <dcp/warnings.h>
  63 LIBDCP_DISABLE_WARNINGS
  64 #include <wx/dnd.h>
  65 #include <wx/filepicker.h>
  66 #include <wx/preferences.h>
  67 #include <wx/splash.h>
  68 #include <wx/srchctrl.h>
  69 #include <wx/treectrl.h>
  70 #include <wx/wx.h>
  71 LIBDCP_ENABLE_WARNINGS
  72 #ifdef __WXOSX__
  73 #include <ApplicationServices/ApplicationServices.h>
  74 #endif
  75 #include <boost/bind/bind.hpp>
  76 #include <unordered_set>
  77
  78 #ifdef check
  79 #undef check
  80 #endif
  81
  82
  83 using std::dynamic_pointer_cast;
  84 using std::exception;
  85 using std::list;
  86 using std::make_shared;
  87 using std::map;
  88 using std::pair;
  89 using std::shared_ptr;
  90 using std::string;
  91 using std::unordered_set;
  92 using std::vector;
  93 using boost::bind;
  94 using boost::optional;
  95 using boost::ref;
  96 #if BOOST_VERSION >= 106100
  97 using namespace boost::placeholders;
  98 #endif
  99 using namespace dcpomatic;
 100
 101
 102 enum {
 103         ID_help_report_a_problem = DCPOMATIC_MAIN_MENU,
 104 };
 105
 106
 107 class DOMFrame : public wxFrame
 108 {
 109 public:
 110         explicit DOMFrame (wxString const & title)
 111                 : wxFrame (nullptr, -1, title)
 112                 , _config_dialog (nullptr)
 113                 , _job_view (nullptr)
 114         {
 115 #if defined(DCPOMATIC_WINDOWS)
 116                 if (Config::instance()->win32_console ()) {
 117                         AllocConsole();
 118
 119                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 120                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 121                         FILE* hf_out = _fdopen(hCrt, "w");
 122                         setvbuf(hf_out, NULL, _IONBF, 1);
 123                         *stdout = *hf_out;
 124
 125                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 126                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 127                         FILE* hf_in = _fdopen(hCrt, "r");
 128                         setvbuf(hf_in, NULL, _IONBF, 128);
 129                         *stdin = *hf_in;
 130
 131                         std::cout << variant::insert_dcpomatic_kdm_creator("%1 is starting.\n");
 132                 }
 133 #endif
 134
 135                 auto bar = new wxMenuBar;
 136                 setup_menu (bar);
 137                 SetMenuBar (bar);
 138
 139                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 140                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 141                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 142                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 143
 144                 /* Use a panel as the only child of the Frame so that we avoid
 145                    the dark-grey background on Windows.
 146                 */
 147                 auto overall_panel = new wxPanel (this, wxID_ANY);
 148                 auto main_sizer = new wxBoxSizer (wxHORIZONTAL);
 149
 150                 auto horizontal = new wxBoxSizer (wxHORIZONTAL);
 151                 auto left = new wxBoxSizer (wxVERTICAL);
 152                 auto right = new wxBoxSizer (wxVERTICAL);
 153
 154                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 155                 horizontal->Add (right, 1, wxEXPAND);
 156
 157                 wxFont subheading_font (*wxNORMAL_FONT);
 158                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 159
 160                 auto h = new StaticText (overall_panel, _("Screens"));
 161                 h->SetFont (subheading_font);
 162                 left->Add (h, 0, wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 163                 _screens = new ScreensPanel (overall_panel);
 164                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 165
 166                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 167                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 168                 h->SetFont (subheading_font);
 169                 right->Add (h);
 170                 _timing = new KDMTimingPanel (overall_panel);
 171                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 172
 173                 h = new StaticText (overall_panel, _("DKDM"));
 174                 h->SetFont (subheading_font);
 175                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 176
 177                 _dkdm_search = new wxSearchCtrl(overall_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, search_ctrl_height()));
 178 #ifndef __WXGTK3__
 179                 /* The cancel button seems to be strangely broken in GTK3; clicking on it twice sometimes works */
 180                 _dkdm_search->ShowCancelButton (true);
 181 #endif
 182
 183                 right->Add(_dkdm_search, 0, wxTOP | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 184
 185                 class DKDMDropTarget : public wxFileDropTarget
 186                 {
 187                 public:
 188                         DKDMDropTarget(DOMFrame* frame)
 189                                 : _frame(frame)
 190                         {}
 191
 192                         bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 193                         {
 194                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 195                                         _frame->add_dkdm(boost::filesystem::path(wx_to_std(filenames[0])));
 196                                 }
 197
 198                                 return true;
 199                         }
 200
 201                 private:
 202                         DOMFrame* _frame;
 203                 };
 204
 205                 auto dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 206                 _dkdm = new wxTreeCtrl (
 207                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 208                 );
 209                 _dkdm->SetDropTarget(new DKDMDropTarget(this));
 210                 dkdm_sizer->Add(_dkdm, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 211                 auto dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 212                 _add_dkdm = new Button (overall_panel, _("Add..."));
 213                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 214                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 215                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 216                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 217                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 218                 _export_dkdm = new Button (overall_panel, _("Export..."));
 219                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 220                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 221                 right->Add (dkdm_sizer, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 222
 223                 update_dkdm_view();
 224
 225                 h = new StaticText (overall_panel, _("Output"));
 226                 h->SetFont (subheading_font);
 227                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 228                 _output = new KDMOutputPanel (overall_panel);
 229                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 230
 231                 _create = new Button (overall_panel, _("Create KDMs"));
 232                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 233
 234                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 235                 overall_panel->SetSizer (main_sizer);
 236
 237                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 238                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 239
 240                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 241                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 242                 _dkdm->Bind(wxEVT_TREE_SEL_CHANGED, boost::bind(&DOMFrame::dkdm_selection_changed, this));
 243                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 244                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 245                 _dkdm->Bind(wxEVT_TREE_ITEM_EXPANDED, boost::bind(&DOMFrame::dkdm_expanded, this, _1));
 246                 _dkdm->Bind(wxEVT_TREE_ITEM_COLLAPSED, boost::bind(&DOMFrame::dkdm_collapsed, this, _1));
 247                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 248                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 249                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 250                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 251                 _dkdm_search->Bind(wxEVT_TEXT, boost::bind(&DOMFrame::dkdm_search_changed, this));
 252                 _timing->TimingChanged.connect(boost::bind(&DOMFrame::setup_sensitivity, this));
 253                 _output->MethodChanged.connect(boost::bind(&DOMFrame::setup_sensitivity, this));
 254
 255                 setup_sensitivity ();
 256
 257                 dcpomatic_log = make_shared<FileLog>(State::write_path("kdm.log"));
 258         }
 259
 260 private:
 261         void file_exit ()
 262         {
 263                 /* false here allows the close handler to veto the close request */
 264                 Close (false);
 265         }
 266
 267         void edit_preferences ()
 268         {
 269                 if (!_config_dialog) {
 270                         _config_dialog = create_full_config_dialog ();
 271                 }
 272                 _config_dialog->Show (this);
 273         }
 274
 275         void help_about ()
 276         {
 277                 AboutDialog dialog(this);
 278                 dialog.ShowModal();
 279         }
 280
 281         void help_report_a_problem ()
 282         {
 283                 ReportProblemDialog dialog(this, shared_ptr<Film>());
 284                 if (dialog.ShowModal() == wxID_OK) {
 285                         dialog.report();
 286                 }
 287         }
 288
 289         void setup_menu (wxMenuBar* m)
 290         {
 291                 auto file = new wxMenu;
 292
 293 #ifdef __WXOSX__
 294                 file->Append (wxID_EXIT, _("&Exit"));
 295 #else
 296                 file->Append (wxID_EXIT, _("&Quit"));
 297 #endif
 298
 299 #ifdef __WXOSX__
 300                 file->Append(wxID_PREFERENCES, _("&Preferences...\tCtrl-,"));
 301 #else
 302                 wxMenu* edit = new wxMenu;
 303                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 304 #endif
 305
 306                 wxMenu* help = new wxMenu;
 307 #ifdef __WXOSX__
 308                 help->Append(wxID_ABOUT, variant::wx::insert_dcpomatic_kdm_creator(_("About %s")));
 309 #else
 310                 help->Append (wxID_ABOUT, _("About"));
 311 #endif
 312                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 313
 314                 m->Append (file, _("&File"));
 315 #ifndef __WXOSX__
 316                 m->Append (edit, _("&Edit"));
 317 #endif
 318                 m->Append (help, _("&Help"));
 319         }
 320
 321         bool confirm_overwrite (boost::filesystem::path path)
 322         {
 323                 if (dcp::filesystem::is_directory(path)) {
 324                         return confirm_dialog (
 325                                 this,
 326                                 wxString::Format(_("Folder %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 327                                 );
 328                 } else {
 329                         return confirm_dialog (
 330                                 this,
 331                                 wxString::Format(_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 332                                 );
 333                 }
 334         }
 335
 336         /** @id if not nullptr this is filled in with the wxTreeItemId of the selection */
 337         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = nullptr) const
 338         {
 339                 wxArrayTreeItemIds selections;
 340                 _dkdm->GetSelections (selections);
 341                 if (selections.GetCount() != 1) {
 342                         if (id) {
 343                                 *id = 0;
 344                         }
 345                         return {};
 346                 }
 347
 348                 if (id) {
 349                         *id = selections[0];
 350                 }
 351
 352                 auto i = _dkdm_id.find (selections[0]);
 353                 if (i == _dkdm_id.end()) {
 354                         return {};
 355                 }
 356
 357                 return i->second;
 358         }
 359
 360         void create_kdms ()
 361         {
 362                 try {
 363                         auto dkdm_base = selected_dkdm ();
 364                         if (!dkdm_base) {
 365                                 return;
 366                         }
 367
 368                         list<KDMWithMetadataPtr> kdms;
 369                         string title;
 370
 371                         auto dkdm = std::dynamic_pointer_cast<DKDM>(dkdm_base);
 372                         if (!dkdm) {
 373                                 return;
 374                         }
 375
 376                         /* Decrypt the DKDM */
 377                         dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 378                         title = decrypted.content_title_text ();
 379
 380                         /* This is the signer for our new KDMs */
 381                         auto signer = Config::instance()->signer_chain ();
 382                         if (!signer->valid ()) {
 383                                 throw InvalidSignerError ();
 384                         }
 385
 386                         vector<KDMCertificatePeriod> period_checks;
 387
 388                         std::function<dcp::DecryptedKDM (dcp::LocalTime, dcp::LocalTime)> make_kdm = [this, decrypted, title](dcp::LocalTime begin, dcp::LocalTime end) {
 389                                 /* Make an empty KDM */
 390                                 dcp::DecryptedKDM kdm (
 391                                         begin,
 392                                         end,
 393                                         _output->annotation_text(),
 394                                         title,
 395                                         dcp::LocalTime().as_string()
 396                                         );
 397
 398                                 /* Add keys from the DKDM */
 399                                 for (auto const& j: decrypted.keys()) {
 400                                         kdm.add_key(j);
 401                                 }
 402
 403                                 return kdm;
 404                         };
 405
 406                         for (auto i: _screens->screens()) {
 407
 408                                 auto kdm = kdm_for_screen(
 409                                         make_kdm,
 410                                         i,
 411                                         _timing->from(),
 412                                         _timing->until(),
 413                                         _output->formulation(),
 414                                         !_output->forensic_mark_video(),
 415                                         _output->forensic_mark_audio() ? boost::optional<int>() : 0,
 416                                         period_checks
 417                                         );
 418
 419                                 if (kdm) {
 420                                         kdms.push_back(kdm);
 421                                 }
 422                         }
 423
 424                         if (kdms.empty()) {
 425                                 return;
 426                         }
 427
 428                         if (
 429                                 find_if(
 430                                         period_checks.begin(),
 431                                         period_checks.end(),
 432                                         [](KDMCertificatePeriod const& p) { return p.overlap != KDMCertificateOverlap::KDM_WITHIN_CERTIFICATE; }
 433                                        ) != period_checks.end()) {
 434                                 InvalidCertificatePeriodDialog dialog(this, period_checks);
 435                                 if (dialog.ShowModal() == wxID_CANCEL) {
 436                                         return;
 437                                 }
 438                         }
 439
 440                         auto result = _output->make (
 441                                 kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
 442                                 );
 443
 444                         if (result.first) {
 445                                 JobManager::instance()->add (result.first);
 446                                 if (_job_view) {
 447                                         _job_view->Destroy ();
 448                                         _job_view = 0;
 449                                 }
 450                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 451                                 _job_view->ShowModal ();
 452                         }
 453
 454                         if (result.second > 0) {
 455                                 /* XXX: proper plural form support in wxWidgets? */
 456                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 457                                 message_dialog (
 458                                         this,
 459                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 460                                         );
 461                         }
 462                 } catch (dcp::BadKDMDateError& e) {
 463                         if (e.starts_too_early()) {
 464                                 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."));
 465                         } else {
 466                                 error_dialog(
 467                                         this,
 468                                         variant::wx::insert_dcpomatic_kdm_creator(
 469                                                 _("The KDM end period is after (or close to) the end of the signing certificates' validity period.  "
 470                                                   "Either use an earlier end time for this KDM or re-create your signing certificates in the %s preferences window.")
 471                                                 )
 472                                         );
 473                         }
 474                         return;
 475                 } catch (dcp::NotEncryptedError& e) {
 476                         error_dialog (this, _("CPL's content is not encrypted."));
 477                 } catch (exception& e) {
 478                         error_dialog (this, std_to_wx(e.what()));
 479                 } catch (...) {
 480                         error_dialog (this, _("An unknown exception occurred."));
 481                 }
 482         }
 483
 484         void setup_sensitivity ()
 485         {
 486                 _screens->setup_sensitivity ();
 487                 _output->setup_sensitivity ();
 488                 wxArrayTreeItemIds sel;
 489                 _dkdm->GetSelections (sel);
 490                 auto group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 491                 auto dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 492                 _create->Enable(!_screens->screens().empty() && _timing->valid() && sel.GetCount() > 0 && dkdm && _output->method_selected());
 493                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 494                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 495         }
 496
 497         void dkdm_selection_changed()
 498         {
 499                 _selected_dkdm = selected_dkdm();
 500                 if (_selected_dkdm) {
 501                         auto dkdm = std::dynamic_pointer_cast<DKDM>(_selected_dkdm);
 502                         if (dkdm) {
 503                                 try {
 504                                         dcp::DecryptedKDM decrypted(dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 505                                         if (decrypted.annotation_text()) {
 506                                                 _output->set_annotation_text(*decrypted.annotation_text());
 507                                         }
 508                                 } catch (...) {}
 509                         }
 510                 }
 511                 setup_sensitivity();
 512         }
 513
 514         void dkdm_expanded(wxTreeEvent& ev)
 515         {
 516                 if (_ignore_expand) {
 517                         return;
 518                 }
 519
 520                 auto iter = _dkdm_id.find(ev.GetItem());
 521                 if (iter != _dkdm_id.end()) {
 522                         _expanded_dkdm_groups.insert(iter->second);
 523                 }
 524         }
 525
 526         void dkdm_collapsed(wxTreeEvent& ev)
 527         {
 528                 auto iter = _dkdm_id.find(ev.GetItem());
 529                 if (iter != _dkdm_id.end()) {
 530                         _expanded_dkdm_groups.erase(iter->second);
 531                 }
 532         }
 533
 534         void dkdm_begin_drag (wxTreeEvent& ev)
 535         {
 536                 ev.Allow ();
 537         }
 538
 539         void dkdm_end_drag (wxTreeEvent& ev)
 540         {
 541                 auto from = _dkdm_id.find (_dkdm->GetSelection ());
 542                 auto to = _dkdm_id.find (ev.GetItem ());
 543                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 544                         return;
 545                 }
 546
 547                 auto group = dynamic_pointer_cast<DKDMGroup> (to->second);
 548                 if (!group) {
 549                         group = to->second->parent();
 550                 }
 551
 552                 /* Check we're not adding a group to one of its children */
 553                 auto to_parent = group;
 554                 while (to_parent) {
 555                         if (from->second == to_parent) {
 556                                 return;
 557                         }
 558                         to_parent = to_parent->parent();
 559                 }
 560
 561                 DCPOMATIC_ASSERT (group);
 562                 DCPOMATIC_ASSERT (from->second->parent ());
 563
 564                 from->second->parent()->remove (from->second);
 565                 add_dkdm(from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 566
 567                 update_dkdm_view();
 568         }
 569
 570         void add_dkdm_clicked ()
 571         {
 572                 FileDialog dialog(this, _("Select DKDM file"), wxT("XML files|*.xml|All files|*.*"), wxFD_MULTIPLE, "AddDKDMPath");
 573                 if (!dialog.show()) {
 574                         return;
 575                 }
 576
 577                 for (auto path: dialog.paths()) {
 578                         add_dkdm(path);
 579                 }
 580         }
 581
 582         void add_dkdm(boost::filesystem::path path)
 583         {
 584                 auto chain = Config::instance()->decryption_chain();
 585                 DCPOMATIC_ASSERT (chain->key());
 586
 587                 try {
 588                         dcp::EncryptedKDM ekdm(dcp::file_to_string(path, MAX_KDM_SIZE));
 589                         /* Decrypt the DKDM to make sure that we can */
 590                         dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 591
 592                         auto new_dkdm = make_shared<DKDM>(ekdm);
 593
 594                         if (Config::instance()->dkdms()->contains(new_dkdm->dkdm().id())) {
 595                                 error_dialog(
 596                                         this,
 597                                         wxString::Format(_("DKDM %s is already in the DKDM list and will not be added again."), std_to_wx(new_dkdm->dkdm().id()))
 598                                         );
 599                                 return;
 600                         }
 601
 602                         auto group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 603                         if (!group) {
 604                                 group = Config::instance()->dkdms ();
 605                         }
 606                         add_dkdm(new_dkdm, group);
 607                 } catch (dcp::KDMFormatError& e) {
 608                         error_dialog (
 609                                 this,
 610                                 _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 611                                 std_to_wx(e.what())
 612                                 );
 613                         return;
 614                 } catch (dcp::KDMDecryptionError &) {
 615                         error_dialog (
 616                                 this,
 617                                 _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 618                                 );
 619                 } catch (dcp::MiscError& e) {
 620                         error_dialog (
 621                                 this,
 622                                 _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 623                                 std_to_wx(e.what())
 624                                 );
 625                 }
 626
 627                 update_dkdm_view();
 628         }
 629
 630         void add_dkdm_folder_clicked ()
 631         {
 632                 NewDKDMFolderDialog dialog(this);
 633                 if (dialog.ShowModal() != wxID_OK) {
 634                         return;
 635                 }
 636
 637                 auto new_dkdm = make_shared<DKDMGroup>(wx_to_std(dialog.get()));
 638                 auto parent = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 639                 if (!parent) {
 640                         parent = Config::instance()->dkdms ();
 641                 }
 642                 add_dkdm(new_dkdm, parent);
 643                 update_dkdm_view();
 644         }
 645
 646         void update_dkdm_view()
 647         {
 648                 _dkdm->DeleteAllItems();
 649                 _dkdm_id.clear();
 650                 add_dkdm_to_view(Config::instance()->dkdms());
 651                 if (_selected_dkdm) {
 652                         auto selection_in_id_map = std::find_if(_dkdm_id.begin(), _dkdm_id.end(), [this](pair<wxTreeItemId, shared_ptr<DKDMBase>> const& entry) {
 653                                 return entry.second == _selected_dkdm;
 654                         });
 655                         if (selection_in_id_map != _dkdm_id.end()) {
 656                                 _dkdm->SelectItem(selection_in_id_map->first);
 657                         }
 658                 }
 659         }
 660
 661         /** @return true if this thing or any of its children match a search string */
 662         bool matches(shared_ptr<DKDMBase> base, string const& search)
 663         {
 664                 if (search.empty()) {
 665                         return true;
 666                 }
 667
 668                 auto name = base->name();
 669                 transform(name.begin(), name.end(), name.begin(), ::tolower);
 670                 if (name.find(search) != string::npos) {
 671                         return true;
 672                 }
 673
 674                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 675                 if (!group) {
 676                         return false;
 677                 }
 678
 679                 auto const children = group->children();
 680                 return std::any_of(children.begin(), children.end(), [this, search](shared_ptr<DKDMBase> child) {
 681                         return matches(child, search);
 682                 });
 683         }
 684
 685         /** Add DKDMs to the view that match the current search */
 686         void add_dkdm_to_view(shared_ptr<DKDMBase> base)
 687         {
 688                 auto search = wx_to_std(_dkdm_search->GetValue());
 689                 transform(search.begin(), search.end(), search.begin(), ::tolower);
 690
 691                 optional<wxTreeItemId> group_to_expand;
 692
 693                 if (!base->parent()) {
 694                         /* This is the root group */
 695                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 696                 } else {
 697                         /* Add base to the view */
 698                         wxTreeItemId added;
 699                         auto parent_id = dkdm_to_id(base->parent());
 700                         added = _dkdm->AppendItem(parent_id, std_to_wx(base->name()));
 701                         /* Expand the group (later) if it matches the search or it was manually expanded */
 702                         if (!search.empty() || _expanded_dkdm_groups.find(base) != _expanded_dkdm_groups.end()) {
 703                                 group_to_expand = added;
 704                         }
 705                         _dkdm_id[added] = base;
 706                 }
 707
 708                 /* Add children */
 709                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 710                 if (group) {
 711                         auto children = group->children();
 712                         children.sort(
 713                                 [this](shared_ptr<DKDMBase> a, shared_ptr<DKDMBase> b) { return _collator.compare(a->name(), b->name()) < 0; }
 714                         );
 715
 716                         for (auto i: children) {
 717                                 if (matches(i, search)) {
 718                                         add_dkdm_to_view(i);
 719                                 }
 720                         }
 721                 }
 722
 723                 if (group_to_expand) {
 724                         _ignore_expand = true;
 725                         _dkdm->Expand(*group_to_expand);
 726                         _ignore_expand = false;
 727                 }
 728         }
 729
 730         /** @param group Group to add dkdm to */
 731         void add_dkdm(shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM>())
 732         {
 733                 group->add (dkdm, previous);
 734                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 735                    This isn't nice.
 736                 */
 737                 Config::instance()->changed ();
 738         }
 739
 740         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 741         {
 742                 for (auto const& i: _dkdm_id) {
 743                         if (i.second == dkdm) {
 744                                 return i.first;
 745                         }
 746                 }
 747                 DCPOMATIC_ASSERT (false);
 748         }
 749
 750         void remove_dkdm_clicked ()
 751         {
 752                 auto removed = selected_dkdm ();
 753                 if (!removed) {
 754                         return;
 755                 }
 756
 757                 if (removed->contains_dkdm()) {
 758                         if (NagDialog::maybe_nag(
 759                                     this, Config::NAG_DELETE_DKDM,
 760                                     _("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.  "
 761                                       "Are you sure?"),
 762                                     true)) {
 763                                 return;
 764                         }
 765                 }
 766
 767                 _dkdm->Delete (dkdm_to_id (removed));
 768                 auto dkdms = Config::instance()->dkdms ();
 769                 dkdms->remove (removed);
 770                 Config::instance()->changed ();
 771         }
 772
 773         void export_dkdm_clicked ()
 774         {
 775                 auto removed = selected_dkdm ();
 776                 if (!removed) {
 777                         return;
 778                 }
 779
 780                 auto dkdm = dynamic_pointer_cast<DKDM>(removed);
 781                 if (!dkdm) {
 782                         return;
 783                 }
 784
 785                 wxFileDialog dialog(
 786                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 787                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 788                         );
 789
 790                 if (dialog.ShowModal() == wxID_OK) {
 791                         dkdm->dkdm().as_xml(wx_to_std(dialog.GetPath()));
 792                 }
 793         }
 794
 795         void dkdm_search_changed()
 796         {
 797                 update_dkdm_view();
 798         }
 799
 800         wxPreferencesEditor* _config_dialog;
 801         ScreensPanel* _screens;
 802         KDMTimingPanel* _timing;
 803         wxTreeCtrl* _dkdm;
 804         wxSearchCtrl* _dkdm_search;
 805         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase>> DKDMMap;
 806         DKDMMap _dkdm_id;
 807         /* Keep a separate track of the selected DKDM so that when a search happens, and some things
 808          * get removed from the view, we can restore the selection when they are re-added.
 809          */
 810         shared_ptr<DKDMBase> _selected_dkdm;
 811         /* Keep expanded groups for the same reason */
 812         unordered_set<shared_ptr<DKDMBase>> _expanded_dkdm_groups;
 813         /* true if we are "artificially" expanding a group because it contains something found
 814          * in a search.
 815          */
 816         bool _ignore_expand = false;
 817         wxButton* _add_dkdm;
 818         wxButton* _add_dkdm_folder;
 819         wxButton* _remove_dkdm;
 820         wxButton* _export_dkdm;
 821         wxButton* _create;
 822         KDMOutputPanel* _output;
 823         JobViewDialog* _job_view;
 824         Collator _collator;
 825 };
 826
 827
 828 /** @class App
 829  *  @brief The magic App class for wxWidgets.
 830  */
 831 class App : public wxApp
 832 {
 833 public:
 834         App ()
 835                 : wxApp ()
 836                 , _frame (nullptr)
 837         {}
 838
 839 private:
 840
 841         bool OnInit () override
 842         {
 843                 wxSplashScreen* splash;
 844
 845                 try {
 846                         wxInitAllImageHandlers ();
 847
 848                         Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
 849                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 850
 851                         splash = maybe_show_splash ();
 852
 853                         SetAppName(variant::wx::dcpomatic_kdm_creator());
 854
 855                         if (!wxApp::OnInit()) {
 856                                 return false;
 857                         }
 858
 859 #ifdef DCPOMATIC_LINUX
 860                         unsetenv ("UBUNTU_MENUPROXY");
 861 #endif
 862
 863 #ifdef DCPOMATIC_OSX
 864                         make_foreground_application ();
 865 #endif
 866
 867                         dcpomatic_setup_path_encoding ();
 868
 869                         /* Enable i18n; this will create a Config object
 870                            to look for a force-configured language.  This Config
 871                            object will be wrong, however, because dcpomatic_setup
 872                            hasn't yet been called and there aren't any filters etc.
 873                            set up yet.
 874                         */
 875                         dcpomatic_setup_i18n ();
 876
 877                         /* Set things up, including filters etc.
 878                            which will now be internationalised correctly.
 879                         */
 880                         dcpomatic_setup ();
 881
 882                         /* Force the configuration to be re-loaded correctly next
 883                            time it is needed.
 884                         */
 885                         Config::drop ();
 886
 887                         _frame = new DOMFrame(variant::wx::dcpomatic_kdm_creator());
 888                         SetTopWindow (_frame);
 889                         _frame->Maximize ();
 890                         if (splash) {
 891                                 splash->Destroy ();
 892                                 splash = nullptr;
 893                         }
 894                         _frame->Show ();
 895
 896                         signal_manager = new wxSignalManager (this);
 897                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 898                 }
 899                 catch (exception& e)
 900                 {
 901                         if (splash) {
 902                                 splash->Destroy ();
 903                         }
 904                         error_dialog(nullptr, variant::wx::insert_dcpomatic_kdm_creator(_("%s could not start")), std_to_wx(e.what()));
 905                 }
 906
 907                 return true;
 908         }
 909
 910         /* An unhandled exception has occurred inside the main event loop */
 911         bool OnExceptionInMainLoop () override
 912         {
 913                 try {
 914                         throw;
 915                 } catch (FileError& e) {
 916                         error_dialog (
 917                                 0,
 918                                 wxString::Format (
 919                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 920                                         std_to_wx (e.what()),
 921                                         std_to_wx (e.file().string().c_str ())
 922                                         )
 923                                 );
 924                 } catch (exception& e) {
 925                         error_dialog (
 926                                 nullptr,
 927                                 wxString::Format (
 928                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 929                                         std_to_wx(e.what())
 930                                         )
 931                                 );
 932                 } catch (...) {
 933                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 934                 }
 935
 936                 /* This will terminate the program */
 937                 return false;
 938         }
 939
 940         void OnUnhandledException () override
 941         {
 942                 error_dialog (nullptr, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 943         }
 944
 945         void idle ()
 946         {
 947                 signal_manager->ui_idle ();
 948         }
 949
 950         void config_failed_to_load(Config::LoadFailure what)
 951         {
 952                 report_config_load_failure(_frame, what);
 953         }
 954
 955         void config_warning (string m)
 956         {
 957                 message_dialog (_frame, std_to_wx(m));
 958         }
 959
 960         DOMFrame* _frame;
 961 };
 962
 963 IMPLEMENT_APP (App)