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 1.51 2003/10/22 19:12:56 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 notified 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         var_DelCallback( p_playlist, "intf-show", IntfShowCallback, this );
  74         vlc_object_release( p_playlist );
  75     }
  76 }
  77 //---------------------------------------------------------------------------
  78 bool VlcProc::EventProc( Event *evt )
  79 {
  80     switch( evt->GetMessage() )
  81     {
  82         case VLC_STREAMPOS:
  83             MoveStream( evt->GetParam2() );
  84             return true;
  85
  86         case VLC_VOLUME_CHANGE:
  87             ChangeVolume( evt->GetParam1(), evt->GetParam2() );
  88             return true;
  89
  90         case VLC_FULLSCREEN:
  91             FullScreen();
  92             return true;
  93
  94         case VLC_HIDE:
  95             for( list<SkinWindow *>::const_iterator win =
  96                     p_intf->p_sys->p_theme->WindowList.begin();
  97                  win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
  98             {
  99                 (*win)->OnStartThemeVisible = !(*win)->IsHidden();
 100             }
 101             p_intf->p_sys->i_close_status = (int)evt->GetParam1();
 102             OSAPI_PostMessage( NULL, WINDOW_CLOSE, 1, 0 );
 103             return true;
 104
 105         case VLC_SHOW:
 106             for( list<SkinWindow *>::const_iterator win =
 107                     p_intf->p_sys->p_theme->WindowList.begin();
 108                  win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
 109             {
 110                 if( (*win)->OnStartThemeVisible )
 111                     OSAPI_PostMessage( (*win), WINDOW_OPEN, 1, 0 );
 112             }
 113             p_intf->p_sys->b_all_win_closed = false;
 114             return true;
 115
 116         case VLC_OPEN:
 117             p_intf->p_sys->p_dialogs->ShowOpen( true );
 118             InterfaceRefresh();
 119             return true;
 120
 121         case VLC_NET:
 122             p_intf->p_sys->p_dialogs->ShowNet();
 123             InterfaceRefresh();
 124             return true;
 125
 126         case VLC_LOAD_SKIN:
 127             LoadSkin();
 128             return true;
 129
 130         case VLC_ON_TOP:
 131             for( list<SkinWindow *>::const_iterator win =
 132                     p_intf->p_sys->p_theme->WindowList.begin();
 133                 win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
 134             {
 135                 (*win)->ToggleOnTop();
 136             }
 137             // Set the indicator to the new state
 138             p_intf->p_sys->b_on_top = !p_intf->p_sys->b_on_top;
 139             return true;
 140
 141         case VLC_DROP:
 142             DropFile( evt->GetParam1(), evt->GetParam2() );
 143             return true;
 144
 145         case VLC_PLAY:
 146             PlayStream();
 147             return true;
 148
 149         case VLC_PAUSE:
 150             PauseStream();
 151             return true;
 152
 153         case VLC_STOP:
 154             StopStream();
 155             return true;
 156
 157         case VLC_NEXT:
 158             NextStream();
 159             return true;
 160
 161         case VLC_PREV:
 162             PrevStream();
 163             return true;
 164
 165         case VLC_PLAYLIST_ADD_FILE:
 166             p_intf->p_sys->p_dialogs->ShowOpen( false );
 167             InterfaceRefresh();
 168             return true;
 169
 170         case VLC_LOG_SHOW:
 171             p_intf->p_sys->p_dialogs->ShowMessages();
 172             return true;
 173
 174         case VLC_PREFS_SHOW:
 175             p_intf->p_sys->p_dialogs->ShowPrefs();
 176             return true;
 177
 178         case VLC_INFO_SHOW:
 179             p_intf->p_sys->p_dialogs->ShowFileInfo();
 180             return true;
 181
 182         case VLC_INTF_REFRESH:
 183             InterfaceRefresh();
 184             return true;
 185
 186         case VLC_TEST_ALL_CLOSED:
 187             return EventProcEnd();
 188
 189         case VLC_QUIT:
 190             return false;
 191
 192         case VLC_CHANGE_TRAY:
 193             p_intf->p_sys->p_theme->ChangeTray();
 194             return true;
 195
 196         case VLC_CHANGE_TASKBAR:
 197             p_intf->p_sys->p_theme->ChangeTaskbar();
 198             return true;
 199
 200         default:
 201             return true;
 202     }
 203 }
 204 //---------------------------------------------------------------------------
 205 bool VlcProc::EventProcEnd()
 206 {
 207     if( p_intf->p_sys->b_all_win_closed )
 208         return true;
 209
 210     list<SkinWindow *>::const_iterator win;
 211
 212     // If a window has been closed, test if all are closed !
 213     for( win = p_intf->p_sys->p_theme->WindowList.begin();
 214          win != p_intf->p_sys->p_theme->WindowList.end(); win++ )
 215     {
 216         if( !(*win)->IsHidden() )   // Not all windows closed
 217         {
 218             return true;
 219         }
 220     }
 221
 222     // All window are closed
 223     switch( p_intf->p_sys->i_close_status )
 224     {
 225         case VLC_QUIT:
 226             // Save config before exiting
 227             p_intf->p_sys->p_theme->SaveConfig();
 228             break;
 229     }
 230
 231     // Send specified event
 232     OSAPI_PostMessage( NULL, p_intf->p_sys->i_close_status, 0, 0 );
 233
 234     // Reset values
 235     p_intf->p_sys->i_close_status = VLC_NOTHING;
 236     p_intf->p_sys->b_all_win_closed = true;
 237
 238     // Return true
 239     return true;
 240 }
 241 //---------------------------------------------------------------------------
 242 bool VlcProc::IsClosing()
 243 {
 244     if( p_intf->b_die && p_intf->p_sys->i_close_status != VLC_QUIT )
 245     {
 246         p_intf->p_sys->i_close_status = VLC_QUIT;
 247         OSAPI_PostMessage( NULL, VLC_HIDE, VLC_QUIT, 0 );
 248     }
 249     return true;
 250 }
 251 //---------------------------------------------------------------------------
 252
 253
 254
 255
 256 //---------------------------------------------------------------------------
 257 // Private methods
 258 //---------------------------------------------------------------------------
 259
 260 // Refresh callback
 261 int VlcProc::RefreshCallback( vlc_object_t *p_this, const char *psz_variable,
 262         vlc_value_t old_val, vlc_value_t new_val, void *param )
 263 {
 264     ( (VlcProc*)param )->InterfaceRefresh();
 265     return VLC_SUCCESS;
 266 }
 267
 268 // Interface show/hide callback
 269 int VlcProc::IntfShowCallback( vlc_object_t *p_this, const char *psz_variable,
 270         vlc_value_t old_val, vlc_value_t new_val, void *param )
 271 {
 272     if( new_val.b_bool == VLC_TRUE )
 273     {
 274         OSAPI_PostMessage( NULL, VLC_SHOW, 1, 0 );
 275     }
 276     else
 277     {
 278         OSAPI_PostMessage( NULL, VLC_HIDE, 1, 0 );
 279     }
 280     return VLC_SUCCESS;
 281 }
 282
 283 void VlcProc::InterfaceRefresh()
 284 {
 285     // Shortcut pointers
 286     intf_sys_t  *Sys      = p_intf->p_sys;
 287     Theme       *Thema    = Sys->p_theme;
 288     playlist_t  *PlayList = Sys->p_playlist;
 289
 290     // Refresh
 291     if( PlayList != NULL )
 292     {
 293         vlc_mutex_lock( &PlayList->object_lock );
 294
 295         // Refresh stream control controls ! :)
 296         switch( PlayList->i_status )
 297         {
 298             case PLAYLIST_STOPPED:
 299                 EnabledEvent( "time", false );
 300                 EnabledEvent( "stop", false );
 301                 EnabledEvent( "play", true );
 302                 EnabledEvent( "pause", false );
 303                 break;
 304             case PLAYLIST_RUNNING:
 305                 EnabledEvent( "time", true );
 306                 EnabledEvent( "stop", true );
 307                 EnabledEvent( "play", false );
 308                 EnabledEvent( "pause", true );
 309                 break;
 310             case PLAYLIST_PAUSED:
 311                 EnabledEvent( "time", true );
 312                 EnabledEvent( "stop", true );
 313                 EnabledEvent( "play", true );
 314                 EnabledEvent( "pause", false );
 315                 break;
 316         }
 317
 318         // Refresh next and prev buttons
 319         if( PlayList->i_index == 0 || PlayList->i_size == 1 )
 320             EnabledEvent( "prev", false );
 321         else
 322             EnabledEvent( "prev", true );
 323
 324         if( PlayList->i_index == PlayList->i_size - 1 || PlayList->i_size == 1 )
 325             EnabledEvent( "next", false );
 326         else
 327             EnabledEvent( "next", true );
 328
 329         // Update file name
 330         if( PlayList->i_index >= 0 && PlayList->i_index != Sys->i_index )
 331         {
 332             string long_name = PlayList->pp_items[PlayList->i_index]->psz_name;
 333             int pos = long_name.rfind( DIRECTORY_SEPARATOR, long_name.size() );
 334
 335             // Complete file name
 336             Thema->EvtBank->Get( "file_name" )->PostTextMessage(
 337                 PlayList->pp_items[PlayList->i_index]->psz_name );
 338             // File name without path
 339             Thema->EvtBank->Get( "title" )->PostTextMessage(
 340                 PlayList->pp_items[PlayList->i_index]->psz_name + pos + 1 );
 341         }
 342
 343         // Update playlists
 344         if( PlayList->i_index != Sys->i_index ||
 345             PlayList->i_size != Sys->i_size )
 346         {
 347             Thema->EvtBank->Get( "playlist_refresh" )->PostSynchroMessage();
 348             Sys->i_size  = PlayList->i_size;
 349             Sys->i_index = PlayList->i_index;
 350         }
 351
 352         vlc_mutex_unlock( &PlayList->object_lock );
 353     }
 354     else
 355     {
 356         EnabledEvent( "time", false );
 357         EnabledEvent( "stop",  false );
 358         EnabledEvent( "play",  false );
 359         EnabledEvent( "pause", false );
 360         EnabledEvent( "prev",  false );
 361         EnabledEvent( "next",  false );
 362
 363         // Update playlists
 364         if( Sys->i_size > 0 )
 365         {
 366             Thema->EvtBank->Get( "playlist_refresh" )->PostSynchroMessage();
 367             Sys->i_size  = 0;
 368         }
 369     }
 370 }
 371 //---------------------------------------------------------------------------
 372 void VlcProc::EnabledEvent( string type, bool state )
 373 {
 374     OSAPI_PostMessage( NULL, CTRL_ENABLED, (unsigned int)
 375         p_intf->p_sys->p_theme->EvtBank->Get( type ), (int)state );
 376
 377     if( !state )
 378     {
 379         OSAPI_PostMessage( NULL, CTRL_SYNCHRO, (unsigned int)
 380             p_intf->p_sys->p_theme->EvtBank->Get( type ), (int)false );
 381     }
 382 }
 383 //---------------------------------------------------------------------------
 384
 385
 386 //---------------------------------------------------------------------------
 387 // Common VLC procedures
 388 //---------------------------------------------------------------------------
 389 void VlcProc::LoadSkin()
 390 {
 391     if( p_intf->p_sys->p_new_theme_file == NULL )
 392     {
 393         p_intf->p_sys->p_dialogs->ShowOpenSkin( 0 /*none blocking*/ );
 394     }
 395     else
 396     {
 397         // Place a new theme in the global structure, because it will
 398         // be filled by the parser
 399         // We save the old one to restore it in case of problem
 400         Theme *oldTheme = p_intf->p_sys->p_theme;
 401         p_intf->p_sys->p_theme = (Theme *)new OSTheme( p_intf );
 402
 403         // Run the XML parser
 404         ThemeLoader *Loader = new ThemeLoader( p_intf );
 405         if( Loader->Load( p_intf->p_sys->p_new_theme_file ) )
 406         {
 407             // Everything went well
 408             msg_Dbg( p_intf, "New theme successfully loaded" );
 409             delete (OSTheme *)oldTheme;
 410
 411             // Show the theme
 412             p_intf->p_sys->p_theme->InitTheme();
 413             p_intf->p_sys->p_theme->ShowTheme();
 414         }
 415         else
 416         {
 417             msg_Warn( p_intf, "A problem occurred when loading the new theme,"
 418                       " restoring the previous one" );
 419             delete (OSTheme *)p_intf->p_sys->p_theme;
 420             p_intf->p_sys->p_theme = oldTheme;
 421
 422             // Show the theme
 423             p_intf->p_sys->p_theme->ShowTheme();
 424         }
 425         delete Loader;
 426
 427         // Uninitialize new theme
 428         free( p_intf->p_sys->p_new_theme_file );
 429         p_intf->p_sys->p_new_theme_file = NULL;
 430     }
 431 }
 432 //---------------------------------------------------------------------------
 433
 434 void VlcProc::DropFile( unsigned int param1, long param2 )
 435 {
 436     // Get pointer to file
 437     char *FileName = (char *)param1;
 438
 439     // Add the new file to the playlist
 440     if( p_intf->p_sys->p_playlist != NULL )
 441     {
 442         if( param2 == 0 )
 443         {
 444             // Enqueue the item
 445             playlist_Add( p_intf->p_sys->p_playlist, FileName, 0, 0,
 446                           PLAYLIST_APPEND, PLAYLIST_END );
 447         }
 448         else
 449         {
 450             // Enqueue and play the item
 451             playlist_Add( p_intf->p_sys->p_playlist, FileName, 0, 0,
 452                           PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
 453         }
 454     }
 455
 456     // VLC_DROP must be called with a pointer to a char else it will
 457     // ******** SEGFAULT ********
 458     // The delete is here because the processus in asynchronous
 459     delete[] FileName;
 460
 461     // Refresh interface
 462     InterfaceRefresh();
 463 }
 464 //---------------------------------------------------------------------------
 465
 466
 467
 468
 469 //---------------------------------------------------------------------------
 470 // Stream Control
 471 //---------------------------------------------------------------------------
 472 void VlcProc::PauseStream()
 473 {
 474     if( p_intf->p_sys->p_playlist == NULL )
 475         return;
 476
 477     playlist_Command( p_intf->p_sys->p_playlist, PLAYLIST_PAUSE, 0 );
 478
 479     // Refresh interface
 480     InterfaceRefresh();
 481 }
 482 //---------------------------------------------------------------------------
 483 void VlcProc::PlayStream()
 484 {
 485     if( p_intf->p_sys->p_playlist == NULL )
 486         return;
 487
 488     if( !p_intf->p_sys->p_playlist->i_size )
 489     {
 490         p_intf->p_sys->p_dialogs->ShowOpen( true );
 491         InterfaceRefresh();
 492         return;
 493     }
 494
 495     playlist_Play( p_intf->p_sys->p_playlist );
 496
 497     // Refresh interface
 498     InterfaceRefresh();
 499 }
 500 //---------------------------------------------------------------------------
 501 void VlcProc::StopStream()
 502 {
 503     if( p_intf->p_sys->p_playlist == NULL )
 504         return;
 505     playlist_Stop( p_intf->p_sys->p_playlist );
 506
 507     // Refresh interface
 508     InterfaceRefresh();
 509 }
 510 //---------------------------------------------------------------------------
 511 void VlcProc::NextStream()
 512 {
 513     if( p_intf->p_sys->p_playlist == NULL )
 514         return;
 515
 516     playlist_Next( p_intf->p_sys->p_playlist );
 517
 518     // Refresh interface
 519     InterfaceRefresh();
 520 }
 521 //---------------------------------------------------------------------------
 522 void VlcProc::PrevStream()
 523 {
 524     if( p_intf->p_sys->p_playlist == NULL )
 525         return;
 526
 527     playlist_Prev( p_intf->p_sys->p_playlist );
 528
 529     // Refresh interface
 530     InterfaceRefresh();
 531 }
 532 //---------------------------------------------------------------------------
 533 void VlcProc::MoveStream( long Pos )
 534 {
 535     if( p_intf->p_sys->p_input == NULL )
 536         return;
 537
 538     off_t i_seek = (off_t)(Pos *
 539         p_intf->p_sys->p_input->stream.p_selected_area->i_size
 540         / SLIDER_RANGE);
 541
 542     input_Seek( p_intf->p_sys->p_input, i_seek, INPUT_SEEK_SET );
 543
 544     // Refresh interface
 545     InterfaceRefresh();
 546 }
 547 //---------------------------------------------------------------------------
 548
 549
 550
 551 //---------------------------------------------------------------------------
 552 // Fullscreen
 553 //---------------------------------------------------------------------------
 554 void VlcProc::FullScreen()
 555 {
 556     vout_thread_t *p_vout;
 557
 558     if( p_intf->p_sys->p_input == NULL )
 559         return;
 560
 561     p_vout = (vout_thread_t *)vlc_object_find( p_intf->p_sys->p_input,
 562                                                VLC_OBJECT_VOUT, FIND_CHILD );
 563     if( p_vout == NULL )
 564         return;
 565
 566     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 567     vlc_object_release( p_vout );
 568 }
 569 //---------------------------------------------------------------------------
 570
 571
 572
 573 //---------------------------------------------------------------------------
 574 // Volume Control
 575 //---------------------------------------------------------------------------
 576 void VlcProc::ChangeVolume( unsigned int msg, long param )
 577 {
 578     audio_volume_t volume;
 579     switch( msg )
 580     {
 581         case VLC_VOLUME_MUTE:
 582             aout_VolumeMute( p_intf, NULL );
 583             break;
 584         case VLC_VOLUME_UP:
 585             aout_VolumeUp( p_intf, 1, NULL );
 586             break;
 587         case VLC_VOLUME_DOWN:
 588             aout_VolumeDown( p_intf, 1, NULL );
 589             break;
 590         case VLC_VOLUME_SET:
 591             aout_VolumeSet( p_intf, param * (AOUT_VOLUME_DEFAULT * 2) /
 592                             SLIDER_RANGE );
 593             break;
 594     }
 595     aout_VolumeGet( p_intf, &volume );
 596 }
 597 //---------------------------------------------------------------------------