git.sesse.net Git - vlc/blob - modules/gui/skins/src/vlcproc.cpp

   1 /*****************************************************************************
   2  * vlcproc.cpp: VlcProc class
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   5  * $Id: vlcproc.cpp,v 1.42 2003/07/20 20:42:23 ipkiss Exp $
   6  *
   7  * Authors: Olivier Teulière <ipkiss@via.ecp.fr>
   8  *          Emmanuel Puig    <karibu@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111,
  23  * USA.
  24  *****************************************************************************/
  25
  26 //--- VLC -------------------------------------------------------------------
  27 #include <vlc/vlc.h>
  28 #include <vlc/intf.h>
  29 #include <vlc/aout.h>
  30 #include <vlc/vout.h>
  31
  32 //--- SKIN ------------------------------------------------------------------
  33 #include "../os_api.h"
  34 #include "event.h"
  35 #include "banks.h"
  36 #include "theme.h"
  37 #include "../os_theme.h"
  38 #include "themeloader.h"
  39 #include "window.h"
  40 #include "vlcproc.h"
  41 #include "skin_common.h"
  42 #include "dialogs.h"
  43
  44 //---------------------------------------------------------------------------
  45 // VlcProc
  46 //---------------------------------------------------------------------------
  47 VlcProc::VlcProc( intf_thread_t *_p_intf )
  48 {
  49     p_intf = _p_intf;
  50
  51     playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_intf,
  52         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
  53     if( p_playlist != NULL )
  54     {
  55         // We want to be noticed of playlit changes
  56         var_AddCallback( p_playlist, "intf-change", RefreshCallback, this );
  57
  58         // Raise/lower interface with middle click on vout
  59         var_AddCallback( p_playlist, "intf-show", IntfShowCallback, this );
  60
  61         vlc_object_release( p_playlist );
  62     }
  63 }
  64 //---------------------------------------------------------------------------
  65 VlcProc::~VlcProc()
  66 {
  67     // Remove the refresh callback
  68     playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_intf,
  69         VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
  70     if( p_playlist != NULL )
  71     {
  72         var_DelCallback( p_playlist, "intf-change", RefreshCallback, this );
  73         vlc_object_release( p_playlist );
  74     }
  75 }
  76 //---------------------------------------------------------------------------
  77 bool VlcProc::EventProc( Event *evt )
  78 {
  79     switch( evt->GetMessage() )
  80     {
  81         case VLC_STREAMPOS:
  82             MoveStream( evt->GetParam2() );
  83             return true;
  84
  85         case VLC_VOLUME_CHANGE:
  86             ChangeVolume( evt->GetParam1(), evt->GetParam2() );
  87             return true;
  88
  89         case VLC_FULLSCREEN:
  90             FullScreen();
  91             return true;
  92
  93         case VLC_HIDE:
  94             for( list<SkinWindow *>::const_iterator win =
  95                     p_intf->p_sys->p_theme->WindowList.begin();
  96                  win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
  97             {
  98                 (*win)->OnStartThemeVisible = !(*win)->IsHidden();
  99             }
 100             p_intf->p_sys->i_close_status = (int)evt->GetParam1();
 101             OSAPI_PostMessage( NULL, WINDOW_CLOSE, 1, 0 );
 102             return true;
 103
 104         case VLC_SHOW:
 105             for( list<SkinWindow *>::const_iterator win =
 106                     p_intf->p_sys->p_theme->WindowList.begin();
 107                  win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
 108             {
 109                 if( (*win)->OnStartThemeVisible )
 110                     OSAPI_PostMessage( (*win), WINDOW_OPEN, 1, 0 );
 111             }
 112             p_intf->p_sys->b_all_win_closed = false;
 113             return true;
 114
 115         case VLC_OPEN:
 116             p_intf->p_sys->p_dialogs->ShowOpen( true );
 117             InterfaceRefresh();
 118             return true;
 119
 120         case VLC_LOAD_SKIN:
 121             LoadSkin();
 122             return true;
 123
 124         case VLC_DROP:
 125             DropFile( evt->GetParam1() );
 126             return true;
 127
 128         case VLC_PLAY:
 129             PlayStream();
 130             return true;
 131
 132         case VLC_PAUSE:
 133             PauseStream();
 134             return true;
 135
 136         case VLC_STOP:
 137             StopStream();
 138             return true;
 139
 140         case VLC_NEXT:
 141             NextStream();
 142             return true;
 143
 144         case VLC_PREV:
 145             PrevStream();
 146             return true;
 147
 148         case VLC_PLAYLIST_ADD_FILE:
 149             p_intf->p_sys->p_dialogs->ShowOpen( false );
 150             InterfaceRefresh();
 151             return true;
 152
 153         case VLC_LOG_SHOW:
 154             p_intf->p_sys->p_dialogs->ShowMessages();
 155             return true;
 156
 157         case VLC_PREFS_SHOW:
 158             p_intf->p_sys->p_dialogs->ShowPrefs();
 159             return true;
 160
 161         case VLC_INFO_SHOW:
 162             p_intf->p_sys->p_dialogs->ShowFileInfo();
 163             return true;
 164
 165         case VLC_INTF_REFRESH:
 166             InterfaceRefresh();
 167             return true;
 168
 169         case VLC_TEST_ALL_CLOSED:
 170             return EventProcEnd();
 171
 172         case VLC_QUIT:
 173             return false;
 174
 175         case VLC_CHANGE_TRAY:
 176             p_intf->p_sys->p_theme->ChangeTray();
 177             return true;
 178
 179         case VLC_CHANGE_TASKBAR:
 180             p_intf->p_sys->p_theme->ChangeTaskbar();
 181             return true;
 182
 183         default:
 184             return true;
 185     }
 186 }
 187 //---------------------------------------------------------------------------
 188 bool VlcProc::EventProcEnd()
 189 {
 190     if( p_intf->p_sys->b_all_win_closed )
 191         return true;
 192
 193     list<SkinWindow *>::const_iterator win;
 194
 195     // If a window has been closed, test if all are closed !
 196     for( win = p_intf->p_sys->p_theme->WindowList.begin();
 197          win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
 198     {
 199         if( !(*win)->IsHidden() )   // Not all windows closed
 200         {
 201             return true;
 202         }
 203     }
 204
 205     // All window are closed
 206     switch( p_intf->p_sys->i_close_status )
 207     {
 208         case VLC_QUIT:
 209             // Save config before exiting
 210             p_intf->p_sys->p_theme->SaveConfig();
 211             break;
 212     }
 213
 214     // Send specified event
 215     OSAPI_PostMessage( NULL, p_intf->p_sys->i_close_status, 0, 0 );
 216
 217     // Reset values
 218     p_intf->p_sys->i_close_status = VLC_NOTHING;
 219     p_intf->p_sys->b_all_win_closed = true;
 220
 221     // Return true
 222     return true;
 223 }
 224 //---------------------------------------------------------------------------
 225 bool VlcProc::IsClosing()
 226 {
 227     if( p_intf->b_die && p_intf->p_sys->i_close_status != VLC_QUIT )
 228     {
 229         p_intf->p_sys->i_close_status = VLC_QUIT;
 230         OSAPI_PostMessage( NULL, VLC_HIDE, VLC_QUIT, 0 );
 231     }
 232     return true;
 233 }
 234 //---------------------------------------------------------------------------
 235
 236
 237
 238
 239 //---------------------------------------------------------------------------
 240 // Private methods
 241 //---------------------------------------------------------------------------
 242
 243 // Refresh callback
 244 int VlcProc::RefreshCallback( vlc_object_t *p_this, const char *psz_variable,
 245         vlc_value_t old_val, vlc_value_t new_val, void *param )
 246 {
 247     ( (VlcProc*)param )->InterfaceRefresh();
 248     return VLC_SUCCESS;
 249 }
 250
 251 // Interface show/hide callback
 252 int VlcProc::IntfShowCallback( vlc_object_t *p_this, const char *psz_variable,
 253         vlc_value_t old_val, vlc_value_t new_val, void *param )
 254 {
 255     if( new_val.b_bool == VLC_TRUE )
 256     {
 257         OSAPI_PostMessage( NULL, VLC_SHOW, 1, 0 );
 258     }
 259     else
 260     {
 261         OSAPI_PostMessage( NULL, VLC_HIDE, 1, 0 );
 262     }
 263     return VLC_SUCCESS;
 264 }
 265
 266 void VlcProc::InterfaceRefresh()
 267 {
 268     // Shortcut pointers
 269     intf_sys_t  *Sys      = p_intf->p_sys;
 270     Theme       *Thema    = Sys->p_theme;
 271     playlist_t  *PlayList = Sys->p_playlist;
 272
 273     // Refresh
 274     if( PlayList != NULL )
 275     {
 276         // Refresh stream control controls ! :)
 277         switch( PlayList->i_status )
 278         {
 279             case PLAYLIST_STOPPED:
 280                 EnabledEvent( "time", false );
 281                 EnabledEvent( "stop", false );
 282                 EnabledEvent( "play", true );
 283                 EnabledEvent( "pause", false );
 284                 break;
 285             case PLAYLIST_RUNNING:
 286                 EnabledEvent( "time", true );
 287                 EnabledEvent( "stop", true );
 288                 EnabledEvent( "play", false );
 289                 EnabledEvent( "pause", true );
 290                 break;
 291             case PLAYLIST_PAUSED:
 292                 EnabledEvent( "time", true );
 293                 EnabledEvent( "stop", true );
 294                 EnabledEvent( "play", true );
 295                 EnabledEvent( "pause", false );
 296                 break;
 297         }
 298
 299         // Refresh next and prev buttons
 300         if( PlayList->i_index == 0 || PlayList->i_size == 1 )
 301             EnabledEvent( "prev", false );
 302         else
 303             EnabledEvent( "prev", true );
 304
 305         if( PlayList->i_index == PlayList->i_size - 1 || PlayList->i_size == 1 )
 306             EnabledEvent( "next", false );
 307         else
 308             EnabledEvent( "next", true );
 309
 310         // Update file name
 311         if( PlayList->i_index != Sys->i_index )
 312         {
 313             string long_name = PlayList->pp_items[PlayList->i_index]->psz_name;
 314             int pos = long_name.rfind( DIRECTORY_SEPARATOR, long_name.size() );
 315
 316             // Complete file name
 317             Thema->EvtBank->Get( "file_name" )->PostTextMessage(
 318                 PlayList->pp_items[PlayList->i_index]->psz_name );
 319             // File name without path
 320             Thema->EvtBank->Get( "title" )->PostTextMessage(
 321                 PlayList->pp_items[PlayList->i_index]->psz_name + pos + 1 );
 322         }
 323
 324         // Update playlists
 325         if( PlayList->i_index != Sys->i_index ||
 326             PlayList->i_size != Sys->i_size )
 327         {
 328             Thema->EvtBank->Get( "playlist_refresh" )->PostSynchroMessage();
 329             Sys->i_size  = PlayList->i_size;
 330             Sys->i_index = PlayList->i_index;
 331         }
 332     }
 333     else
 334     {
 335         EnabledEvent( "time", false );
 336         EnabledEvent( "stop",  false );
 337         EnabledEvent( "play",  false );
 338         EnabledEvent( "pause", false );
 339         EnabledEvent( "prev",  false );
 340         EnabledEvent( "next",  false );
 341
 342         // Update playlists
 343         if( Sys->i_size > 0 )
 344         {
 345             Thema->EvtBank->Get( "playlist_refresh" )->PostSynchroMessage();
 346             Sys->i_size  = 0;
 347         }
 348     }
 349 }
 350 //---------------------------------------------------------------------------
 351 void VlcProc::EnabledEvent( string type, bool state )
 352 {
 353     OSAPI_PostMessage( NULL, CTRL_ENABLED, (unsigned int)
 354         p_intf->p_sys->p_theme->EvtBank->Get( type ), (int)state );
 355 }
 356 //---------------------------------------------------------------------------
 357
 358
 359 //---------------------------------------------------------------------------
 360 // Common VLC procedures
 361 //---------------------------------------------------------------------------
 362 void VlcProc::LoadSkin()
 363 {
 364     if( p_intf->p_sys->p_new_theme_file == NULL )
 365     {
 366         p_intf->p_sys->p_dialogs->ShowOpenSkin( 0 /*none blocking*/ );
 367     }
 368     else
 369     {
 370         // Place a new theme in the global structure, because it will
 371         // be filled by the parser
 372         // We save the old one to restore it in case of problem
 373         Theme *oldTheme = p_intf->p_sys->p_theme;
 374         p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 375
 376         // Run the XML parser
 377         ThemeLoader *Loader = new ThemeLoader( p_intf );
 378         if( Loader->Load( p_intf->p_sys->p_new_theme_file ) )
 379         {
 380             // Everything went well
 381             msg_Dbg( p_intf, "New theme successfully loaded" );
 382             delete (OSTheme *)oldTheme;
 383
 384             // Show the theme
 385             p_intf->p_sys->p_theme->InitTheme();
 386             p_intf->p_sys->p_theme->ShowTheme();
 387         }
 388         else
 389         {
 390             msg_Warn( p_intf, "A problem occurred when loading the new theme,"
 391                       " restoring the previous one" );
 392             delete (OSTheme *)p_intf->p_sys->p_theme;
 393             p_intf->p_sys->p_theme = oldTheme;
 394
 395             // Show the theme
 396             p_intf->p_sys->p_theme->ShowTheme();
 397         }
 398         delete Loader;
 399
 400         // Uninitialize new theme
 401         delete[] p_intf->p_sys->p_new_theme_file;
 402         p_intf->p_sys->p_new_theme_file = NULL;
 403     }
 404 }
 405 //---------------------------------------------------------------------------
 406
 407 void VlcProc::DropFile( unsigned int param )
 408 {
 409     // Get pointer to file
 410     char *FileName = (char *)param;
 411
 412     // Add the new file to the playlist
 413     if( p_intf->p_sys->p_playlist != NULL )
 414     {
 415         if( config_GetInt( p_intf, "enqueue" ) )
 416         {
 417             playlist_Add( p_intf->p_sys->p_playlist, FileName,
 418                           PLAYLIST_APPEND, PLAYLIST_END );
 419         }
 420         else
 421         {
 422             playlist_Add( p_intf->p_sys->p_playlist, FileName,
 423                           PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 424         }
 425     }
 426
 427     // VLC_DROP must be called with a pointer to a char else it will
 428     // ******** SEGFAULT ********
 429     // The delete is here because the processus in asynchronous
 430     delete[] FileName;
 431
 432     // Refresh interface
 433     InterfaceRefresh();
 434
 435 }
 436 //---------------------------------------------------------------------------
 437
 438
 439
 440
 441 //---------------------------------------------------------------------------
 442 // Stream Control
 443 //---------------------------------------------------------------------------
 444 void VlcProc::PauseStream()
 445 {
 446     if( p_intf->p_sys->p_input == NULL )
 447         return;
 448     input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PAUSE );
 449
 450     // Refresh interface
 451     InterfaceRefresh();
 452 }
 453 //---------------------------------------------------------------------------
 454 void VlcProc::PlayStream()
 455 {
 456     if( p_intf->p_sys->p_playlist == NULL )
 457         return;
 458
 459     if( !p_intf->p_sys->p_playlist->i_size )
 460     {
 461         p_intf->p_sys->p_dialogs->ShowOpen( true );
 462         InterfaceRefresh();
 463         return;
 464     }
 465
 466     playlist_Play( p_intf->p_sys->p_playlist );
 467
 468     // Refresh interface
 469     InterfaceRefresh();
 470 }
 471 //---------------------------------------------------------------------------
 472 void VlcProc::StopStream()
 473 {
 474     if( p_intf->p_sys->p_playlist == NULL )
 475         return;
 476     playlist_Stop( p_intf->p_sys->p_playlist );
 477
 478     // Refresh interface
 479     InterfaceRefresh();
 480 }
 481 //---------------------------------------------------------------------------
 482 void VlcProc::NextStream()
 483 {
 484     if( p_intf->p_sys->p_playlist == NULL )
 485         return;
 486
 487     playlist_Next( p_intf->p_sys->p_playlist );
 488
 489     // Refresh interface
 490     InterfaceRefresh();
 491 }
 492 //---------------------------------------------------------------------------
 493 void VlcProc::PrevStream()
 494 {
 495     if( p_intf->p_sys->p_playlist == NULL )
 496         return;
 497
 498     playlist_Prev( p_intf->p_sys->p_playlist );
 499
 500     // Refresh interface
 501     InterfaceRefresh();
 502 }
 503 //---------------------------------------------------------------------------
 504 void VlcProc::MoveStream( long Pos )
 505 {
 506     if( p_intf->p_sys->p_input == NULL )
 507         return;
 508
 509     off_t i_seek = (off_t)(Pos *
 510         p_intf->p_sys->p_input->stream.p_selected_area->i_size
 511         / SLIDER_RANGE);
 512
 513     input_Seek( p_intf->p_sys->p_input, i_seek, INPUT_SEEK_SET );
 514
 515     // Refresh interface
 516     InterfaceRefresh();
 517 }
 518 //---------------------------------------------------------------------------
 519
 520
 521
 522 //---------------------------------------------------------------------------
 523 // Fullscreen
 524 //---------------------------------------------------------------------------
 525 void VlcProc::FullScreen()
 526 {
 527     vout_thread_t *p_vout;
 528
 529     if( p_intf->p_sys->p_input == NULL )
 530         return;
 531
 532     p_vout = (vout_thread_t *)vlc_object_find( p_intf->p_sys->p_input,
 533                                                VLC_OBJECT_VOUT, FIND_CHILD );
 534     if( p_vout == NULL )
 535         return;
 536
 537     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 538     vlc_object_release( p_vout );
 539 }
 540 //---------------------------------------------------------------------------
 541
 542
 543
 544 //---------------------------------------------------------------------------
 545 // Volume Control
 546 //---------------------------------------------------------------------------
 547 void VlcProc::ChangeVolume( unsigned int msg, long param )
 548 {
 549     audio_volume_t volume;
 550     switch( msg )
 551     {
 552         case VLC_VOLUME_MUTE:
 553             aout_VolumeMute( p_intf, NULL );
 554             break;
 555         case VLC_VOLUME_UP:
 556             aout_VolumeUp( p_intf, 1, NULL );
 557             break;
 558         case VLC_VOLUME_DOWN:
 559             aout_VolumeDown( p_intf, 1, NULL );
 560             break;
 561         case VLC_VOLUME_SET:
 562             aout_VolumeSet( p_intf, param * AOUT_VOLUME_MAX / SLIDER_RANGE );
 563             break;
 564     }
 565     aout_VolumeGet( p_intf, &volume );
 566
 567 }
 568 //---------------------------------------------------------------------------