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