src/wx/swaroop_controls.cc

   1 /*
   2     Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "swaroop_controls.h"
  22 #include "film_viewer.h"
  23 #include "wx_util.h"
  24 #include "content_view.h"
  25 #include "dcpomatic_button.h"
  26 #include "static_text.h"
  27 #include "lib/player_video.h"
  28 #include "lib/dcp_content.h"
  29 #include "lib/cross.h"
  30 #include <dcp/raw_convert.h>
  31 #include <wx/listctrl.h>
  32 #include <wx/progdlg.h>
  33
  34 using std::string;
  35 using std::cout;
  36 using std::exception;
  37 using std::sort;
  38 using boost::shared_ptr;
  39 using boost::dynamic_pointer_cast;
  40 using boost::optional;
  41
  42 SwaroopControls::SwaroopControls (wxWindow* parent, shared_ptr<FilmViewer> viewer)
  43         : Controls (parent, viewer, false)
  44         , _play_button (new Button(this, _("Play")))
  45         , _pause_button (new Button(this, _("Pause")))
  46         , _stop_button (new Button(this, _("Stop")))
  47         , _next_button (new Button(this, "Next"))
  48         , _previous_button (new Button(this, "Previous"))
  49         , _current_disable_timeline (false)
  50         , _current_disable_next (false)
  51 {
  52         _button_sizer->Add (_previous_button, 0, wxEXPAND);
  53         _button_sizer->Add (_play_button, 0, wxEXPAND);
  54         _button_sizer->Add (_pause_button, 0, wxEXPAND);
  55         _button_sizer->Add (_stop_button, 0, wxEXPAND);
  56         _button_sizer->Add (_next_button, 0, wxEXPAND);
  57
  58         _spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
  59         _spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 740);
  60
  61         wxBoxSizer* left_sizer = new wxBoxSizer (wxVERTICAL);
  62         wxBoxSizer* e_sizer = new wxBoxSizer (wxHORIZONTAL);
  63
  64         wxFont subheading_font (*wxNORMAL_FONT);
  65         subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
  66
  67         wxBoxSizer* spl_header = new wxBoxSizer (wxHORIZONTAL);
  68         {
  69                 wxStaticText* m = new StaticText (this, "Playlists");
  70                 m->SetFont (subheading_font);
  71                 spl_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
  72         }
  73         _refresh_spl_view = new Button (this, "Refresh");
  74         spl_header->Add (_refresh_spl_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
  75
  76         left_sizer->Add (spl_header, 0, wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
  77         left_sizer->Add (_spl_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
  78
  79         _content_view = new ContentView (this);
  80
  81         wxBoxSizer* content_header = new wxBoxSizer (wxHORIZONTAL);
  82         {
  83                 wxStaticText* m = new StaticText (this, "Content");
  84                 m->SetFont (subheading_font);
  85                 content_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
  86         }
  87         _refresh_content_view = new Button (this, "Refresh");
  88         content_header->Add (_refresh_content_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
  89
  90         left_sizer->Add (content_header, 0, wxTOP | wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
  91         left_sizer->Add (_content_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
  92
  93         _current_spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
  94         _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 500);
  95         _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 80);
  96         e_sizer->Add (left_sizer, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
  97         e_sizer->Add (_current_spl_view, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
  98
  99         _v_sizer->Add (e_sizer, 1, wxEXPAND);
 100
 101         _log = new wxTextCtrl (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(-1, 200), wxTE_READONLY | wxTE_MULTILINE);
 102         _v_sizer->Add (_log, 0, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 103
 104         _play_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::play_clicked,  this));
 105         _pause_button->Bind    (wxEVT_BUTTON, boost::bind(&SwaroopControls::pause_clicked, this));
 106         _stop_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::stop_clicked,  this));
 107         _next_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::next_clicked,  this));
 108         _previous_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::previous_clicked,  this));
 109         _spl_view->Bind        (wxEVT_LIST_ITEM_SELECTED,   boost::bind(&SwaroopControls::spl_selection_changed, this));
 110         _spl_view->Bind        (wxEVT_LIST_ITEM_DESELECTED, boost::bind(&SwaroopControls::spl_selection_changed, this));
 111         _viewer->Finished.connect (boost::bind(&SwaroopControls::viewer_finished, this));
 112         _viewer->PositionChanged.connect (boost::bind(&SwaroopControls::viewer_position_changed, this));
 113         _refresh_spl_view->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::update_playlist_directory, this));
 114         _refresh_content_view->Bind (wxEVT_BUTTON, boost::bind(&ContentView::update, _content_view));
 115
 116         _content_view->update ();
 117         update_playlist_directory ();
 118 }
 119
 120 void
 121 SwaroopControls::check_restart ()
 122 {
 123         FILE* f = fopen_boost (Config::path("position"), "r");
 124         if (!f) {
 125                 return;
 126         }
 127
 128         char id[64];
 129         int index;
 130         int64_t time;
 131         fscanf (f, "%63s %d %ld", id, &index, &time);
 132
 133         for (size_t i = 0; i < _playlists.size(); ++i) {
 134                 if (_playlists[i].id() == id) {
 135                         _selected_playlist = i;
 136                         _selected_playlist_position = index;
 137                         update_current_content ();
 138                         _viewer->seek (DCPTime(time), false);
 139                 }
 140         }
 141
 142         fclose (f);
 143 }
 144
 145 void
 146 SwaroopControls::viewer_position_changed ()
 147 {
 148         if (!_selected_playlist || !_viewer->playing() || _viewer->position().get() % DCPTime::HZ) {
 149                 return;
 150         }
 151
 152         FILE* f = fopen_boost (Config::path("position"), "w");
 153         if (f) {
 154                 string const p = _playlists[*_selected_playlist].id()
 155                         + " " + dcp::raw_convert<string>(_selected_playlist_position)
 156                         + " " + dcp::raw_convert<string>(_viewer->position().get());
 157
 158                 fwrite (p.c_str(), p.length(), 1, f);
 159                 fclose (f);
 160         }
 161 }
 162
 163 void
 164 SwaroopControls::started ()
 165 {
 166         Controls::started ();
 167         _play_button->Enable (false);
 168         _pause_button->Enable (true);
 169 }
 170
 171 void
 172 SwaroopControls::stopped ()
 173 {
 174         Controls::stopped ();
 175         _play_button->Enable (true);
 176         _pause_button->Enable (false);
 177 }
 178
 179 void
 180 SwaroopControls::play_clicked ()
 181 {
 182         _viewer->start ();
 183 }
 184
 185 void
 186 SwaroopControls::setup_sensitivity ()
 187 {
 188         Controls::setup_sensitivity ();
 189         bool const active_job = _active_job && *_active_job != "examine_content";
 190         bool const c = _film && !_film->content().empty() && !active_job;
 191         _play_button->Enable (c && !_viewer->playing());
 192         _pause_button->Enable (_viewer->playing());
 193         _slider->Enable (!_current_disable_timeline);
 194         _spl_view->Enable (!_viewer->playing());
 195         _next_button->Enable (!_current_disable_next && can_do_next());
 196         _previous_button->Enable (can_do_previous());
 197 }
 198
 199 void
 200 SwaroopControls::pause_clicked ()
 201 {
 202         _viewer->stop ();
 203 }
 204
 205 void
 206 SwaroopControls::stop_clicked ()
 207 {
 208         _viewer->stop ();
 209         _viewer->seek (DCPTime(), true);
 210 }
 211
 212 bool
 213 SwaroopControls::can_do_previous ()
 214 {
 215         return _selected_playlist && (_selected_playlist_position - 1) >= 0;
 216 }
 217
 218 void
 219 SwaroopControls::previous_clicked ()
 220 {
 221         if (!can_do_previous ()) {
 222                 return;
 223         }
 224
 225         _selected_playlist_position--;
 226         update_current_content ();
 227 }
 228
 229 bool
 230 SwaroopControls::can_do_next ()
 231 {
 232         return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
 233 }
 234
 235 void
 236 SwaroopControls::next_clicked ()
 237 {
 238         if (!can_do_next ()) {
 239                 return;
 240         }
 241
 242         _selected_playlist_position++;
 243         update_current_content ();
 244 }
 245
 246 void
 247 SwaroopControls::log (wxString s)
 248 {
 249         struct timeval time;
 250         gettimeofday (&time, 0);
 251         char buffer[64];
 252         time_t const sec = time.tv_sec;
 253         struct tm* t = localtime (&sec);
 254         strftime (buffer, 64, "%c", t);
 255         wxString ts = std_to_wx(string(buffer)) + N_(": ");
 256         _log->SetValue(_log->GetValue() + ts + s + "\n");
 257 }
 258
 259 void
 260 SwaroopControls::add_playlist_to_list (SPL spl)
 261 {
 262         int const N = _spl_view->GetItemCount();
 263
 264         wxListItem it;
 265         it.SetId(N);
 266         it.SetColumn(0);
 267         string t = spl.name();
 268         if (spl.missing()) {
 269                 t += " (content missing)";
 270         }
 271         it.SetText (std_to_wx(t));
 272         _spl_view->InsertItem (it);
 273 }
 274
 275 struct SPLComparator
 276 {
 277         bool operator() (SPL const & a, SPL const & b) {
 278                 return a.name() < b.name();
 279         }
 280 };
 281
 282 void
 283 SwaroopControls::update_playlist_directory ()
 284 {
 285         using namespace boost::filesystem;
 286
 287         _spl_view->DeleteAllItems ();
 288         optional<path> dir = Config::instance()->player_playlist_directory();
 289         if (!dir) {
 290                 return;
 291         }
 292
 293         _playlists.clear ();
 294
 295         for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
 296                 try {
 297                         if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
 298                                 SPL spl;
 299                                 spl.read (i->path(), _content_view);
 300                                 _playlists.push_back (spl);
 301                         }
 302                 } catch (exception& e) {
 303                         /* Never mind */
 304                 }
 305         }
 306
 307         sort (_playlists.begin(), _playlists.end(), SPLComparator());
 308         BOOST_FOREACH (SPL i, _playlists) {
 309                 add_playlist_to_list (i);
 310         }
 311
 312         _selected_playlist = boost::none;
 313 }
 314
 315 void
 316 SwaroopControls::spl_selection_changed ()
 317 {
 318         long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 319         if (selected == -1) {
 320                 _current_spl_view->DeleteAllItems ();
 321                 _selected_playlist = boost::none;
 322                 return;
 323         }
 324
 325         if (_playlists[selected].missing()) {
 326                 error_dialog (this, "This playlist cannot be loaded as some content is missing.");
 327                 _selected_playlist = boost::none;
 328                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 329                 return;
 330         }
 331
 332         if (_playlists[selected].get().empty()) {
 333                 error_dialog (this, "This playlist is empty.");
 334                 return;
 335         }
 336
 337         _current_spl_view->DeleteAllItems ();
 338
 339         int N = 0;
 340         BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
 341                 wxListItem it;
 342                 it.SetId (N);
 343                 it.SetColumn (0);
 344                 it.SetText (std_to_wx(i.name));
 345                 _current_spl_view->InsertItem (it);
 346                 ++N;
 347         }
 348
 349         _selected_playlist = selected;
 350         _selected_playlist_position = 0;
 351         reset_film ();
 352         update_current_content ();
 353 }
 354
 355 void
 356 SwaroopControls::reset_film ()
 357 {
 358         DCPOMATIC_ASSERT (_selected_playlist);
 359         shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
 360         film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
 361         ResetFilm (film);
 362 }
 363
 364 void
 365 SwaroopControls::config_changed (int property)
 366 {
 367         Controls::config_changed (property);
 368
 369         if (property == Config::PLAYER_CONTENT_DIRECTORY) {
 370                 _content_view->update ();
 371         } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
 372                 update_playlist_directory ();
 373         }
 374 }
 375
 376 void
 377 SwaroopControls::set_film (shared_ptr<Film> film)
 378 {
 379         Controls::set_film (film);
 380         setup_sensitivity ();
 381 }
 382
 383 void
 384 SwaroopControls::update_current_content ()
 385 {
 386         DCPOMATIC_ASSERT (_selected_playlist);
 387
 388         bool const was_playing = _viewer->stop ();
 389
 390         SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
 391         _current_disable_timeline = e.disable_timeline;
 392         _current_disable_next = !e.skippable;
 393
 394         setup_sensitivity ();
 395         reset_film ();
 396         if (was_playing) {
 397                 _viewer->start ();
 398         }
 399 }
 400
 401 void
 402 SwaroopControls::viewer_finished ()
 403 {
 404         if (!_selected_playlist) {
 405                 return;
 406         }
 407
 408         _selected_playlist_position++;
 409         if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
 410                 update_current_content ();
 411         } else {
 412                 ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
 413         }
 414 }