git.sesse.net Git - vlc/blob - modules/gui/skins2/src/vlcproc.cpp

   1 /*****************************************************************************
   2  * vlcproc.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@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, USA.
  23  *****************************************************************************/
  24
  25 #include <vlc/aout.h>
  26 #include <vlc/vout.h>
  27
  28 #include "vlcproc.hpp"
  29 #include "os_factory.hpp"
  30 #include "os_timer.hpp"
  31 #include "var_manager.hpp"
  32 #include "theme.hpp"
  33 #include "window_manager.hpp"
  34 #include "../commands/async_queue.hpp"
  35 #include "../commands/cmd_change_skin.hpp"
  36 #include "../commands/cmd_show_window.hpp"
  37 #include "../commands/cmd_quit.hpp"
  38 #include "../commands/cmd_vars.hpp"
  39 #include "../utils/var_bool.hpp"
  40
  41
  42 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  43 {
  44     if( pIntf->p_sys->p_vlcProc == NULL )
  45     {
  46         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  47     }
  48
  49     return pIntf->p_sys->p_vlcProc;
  50 }
  51
  52
  53 void VlcProc::destroy( intf_thread_t *pIntf )
  54 {
  55     if( pIntf->p_sys->p_vlcProc )
  56     {
  57         delete pIntf->p_sys->p_vlcProc;
  58         pIntf->p_sys->p_vlcProc = NULL;
  59     }
  60 }
  61
  62
  63 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ), m_pVout( NULL ),
  64     m_cmdManage( this )
  65 {
  66     // Create a timer to poll the status of the vlc
  67     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  68     m_pTimer = pOsFactory->createOSTimer( m_cmdManage );
  69     m_pTimer->start( 100, false );
  70
  71     // Create and register VLC variables
  72     VarManager *pVarManager = VarManager::instance( getIntf() );
  73
  74 #define REGISTER_VAR( var, type, name ) \
  75     var = VariablePtr( new type( getIntf() ) ); \
  76     pVarManager->registerVar( var, name );
  77     REGISTER_VAR( m_cPlaylist, Playlist, "playlist" )
  78     pVarManager->registerVar( getPlaylistVar().getPositionVarPtr(),
  79                               "playlist.slider" );
  80     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  81     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  82     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  83     REGISTER_VAR( m_cPlaytree, Playtree, "playtree" )
  84     pVarManager->registerVar( getPlaytreeVar().getPositionVarPtr(),
  85                               "playtree.slider" );
  86     pVarManager->registerVar( m_cVarRandom, "playtree.isRandom" );
  87     pVarManager->registerVar( m_cVarLoop, "playtree.isLoop" );
  88     pVarManager->registerVar( m_cVarRepeat, "playtree.isRepeat" );
  89     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
  90     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
  91     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
  92     REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
  93     REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
  94     REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
  95     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
  96 #undef REGISTER_VAR
  97     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
  98     pVarManager->registerVar( m_cVarStreamName, "streamName" );
  99     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 100     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 101
 102     // XXX WARNING XXX
 103     // The object variable callbacks are called from other VLC threads,
 104     // so they must put commands in the queue and NOT do anything else
 105     // (X11 calls are not reentrant)
 106
 107     // Called when the playlist changes
 108     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 109                      onIntfChange, this );
 110     // Called when a playlist item is added
 111     // TODO: properly handle item-append
 112     var_AddCallback( pIntf->p_sys->p_playlist, "item-append",
 113                      onIntfChange, this );
 114     // Called when a playlist item is deleted
 115     // TODO: properly handle item-deleted
 116     var_AddCallback( pIntf->p_sys->p_playlist, "item-deleted",
 117                      onIntfChange, this );
 118     // Called when the "interface shower" wants us to show the skin
 119     var_AddCallback( pIntf->p_sys->p_playlist, "intf-show",
 120                      onIntfShow, this );
 121     // Called when the current played item changes
 122     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-current",
 123                      onPlaylistChange, this );
 124     // Called when a playlist item changed
 125     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 126                      onItemChange, this );
 127     // Called when our skins2 demux wants us to load a new skin
 128     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 129
 130     // Callbacks for vout requests
 131     getIntf()->pf_request_window = &getWindow;
 132     getIntf()->pf_release_window = &releaseWindow;
 133     getIntf()->pf_control_window = &controlWindow;
 134
 135     getIntf()->p_sys->p_input = NULL;
 136 }
 137
 138
 139 VlcProc::~VlcProc()
 140 {
 141     m_pTimer->stop();
 142     delete( m_pTimer );
 143     if( getIntf()->p_sys->p_input )
 144     {
 145         vlc_object_release( getIntf()->p_sys->p_input );
 146     }
 147
 148     // Callbacks for vout requests
 149     getIntf()->pf_request_window = NULL;
 150     getIntf()->pf_release_window = NULL;
 151     getIntf()->pf_control_window = NULL;
 152
 153     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 154                      onIntfChange, this );
 155     var_DelCallback( getIntf()->p_sys->p_playlist, "item-append",
 156                      onIntfChange, this );
 157     var_DelCallback( getIntf()->p_sys->p_playlist, "item-deleted",
 158                      onIntfChange, this );
 159     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-show",
 160                      onIntfShow, this );
 161     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-current",
 162                      onPlaylistChange, this );
 163     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 164                      onItemChange, this );
 165     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 166 }
 167
 168
 169 void VlcProc::registerVoutWindow( void *pVoutWindow )
 170 {
 171     m_handleSet.insert( pVoutWindow );
 172     // Reparent the vout window
 173     if( m_pVout )
 174     {
 175         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 176             vout_Control( m_pVout, VOUT_CLOSE );
 177     }
 178 }
 179
 180
 181 void VlcProc::unregisterVoutWindow( void *pVoutWindow )
 182 {
 183     m_handleSet.erase( pVoutWindow );
 184 }
 185
 186
 187 void VlcProc::dropVout()
 188 {
 189     if( m_pVout )
 190     {
 191         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 192             vout_Control( m_pVout, VOUT_CLOSE );
 193         m_pVout = NULL;
 194     }
 195 }
 196
 197
 198 void VlcProc::manage()
 199 {
 200     // Did the user requested to quit vlc ?
 201     if( getIntf()->b_die || getIntf()->p_vlc->b_die )
 202     {
 203         CmdQuit *pCmd = new CmdQuit( getIntf() );
 204         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 205         pQueue->push( CmdGenericPtr( pCmd ) );
 206     }
 207
 208     // Get the VLC variables
 209     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 210     Volume *pVolume = (Volume*)m_cVarVolume.get();
 211     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 212     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 213     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 214     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 215     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 216     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 217     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 218     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 219
 220     // Refresh sound volume
 221     audio_volume_t volume;
 222     aout_VolumeGet( getIntf(), &volume );
 223     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX );
 224     // Set the mute variable
 225     pVarMute->set( volume == 0 );
 226
 227     // Update the input
 228     if( getIntf()->p_sys->p_input == NULL )
 229     {
 230         getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
 231             getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
 232     }
 233     else if( getIntf()->p_sys->p_input->b_dead )
 234     {
 235         vlc_object_release( getIntf()->p_sys->p_input );
 236         getIntf()->p_sys->p_input = NULL;
 237     }
 238
 239     input_thread_t *pInput = getIntf()->p_sys->p_input;
 240
 241     if( pInput && !pInput->b_die )
 242     {
 243         // Refresh time variables
 244         vlc_value_t pos;
 245         var_Get( pInput, "position", &pos );
 246         pTime->set( pos.f_float, false );
 247
 248         // Get the status of the playlist
 249         playlist_status_t status =
 250             getIntf()->p_sys->p_playlist->status.i_status;
 251
 252         pVarPlaying->set( status == PLAYLIST_RUNNING );
 253         pVarStopped->set( status == PLAYLIST_STOPPED );
 254         pVarPaused->set( status == PLAYLIST_PAUSED );
 255
 256         pVarSeekable->set( pos.f_float != 0.0 );
 257     }
 258     else
 259     {
 260         pVarPlaying->set( false );
 261         pVarPaused->set( false );
 262         pVarStopped->set( true );
 263         pVarSeekable->set( false );
 264         pTime->set( 0, false );
 265     }
 266
 267     // Refresh the random variable
 268     vlc_value_t val;
 269     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 270     pVarRandom->set( val.b_bool != 0 );
 271
 272     // Refresh the loop variable
 273     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 274     pVarLoop->set( val.b_bool != 0 );
 275
 276     // Refresh the repeat variable
 277     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 278     pVarRepeat->set( val.b_bool != 0 );
 279 }
 280
 281
 282 void VlcProc::CmdManage::execute()
 283 {
 284     // Just forward to VlcProc
 285     m_pParent->manage();
 286 }
 287
 288
 289 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 290                            vlc_value_t oldVal, vlc_value_t newVal,
 291                            void *pParam )
 292 {
 293     VlcProc *pThis = (VlcProc*)pParam;
 294
 295     // Update the stream variable
 296     playlist_t *p_playlist = (playlist_t*)pObj;
 297     pThis->updateStreamName(p_playlist);
 298
 299     // Create a playlist notify command
 300     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 301     // Create a playtree notify command
 302     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 303
 304     // Push the command in the asynchronous command queue
 305     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 306     pQueue->remove( "notify playlist" );
 307     pQueue->remove( "playtree changed" );
 308     pQueue->push( CmdGenericPtr( pCmd ) );
 309     pQueue->push( CmdGenericPtr( pCmdTree ) );
 310
 311     return VLC_SUCCESS;
 312 }
 313
 314
 315 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 316                          vlc_value_t oldVal, vlc_value_t newVal,
 317                          void *pParam )
 318 {
 319     if (newVal.i_int)
 320     {
 321         VlcProc *pThis = (VlcProc*)pParam;
 322
 323         // Create a raise all command
 324         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 325             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 326
 327         // Push the command in the asynchronous command queue
 328         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 329         pQueue->remove( "raise all windows" );
 330         pQueue->push( CmdGenericPtr( pCmd ) );
 331     }
 332
 333     return VLC_SUCCESS;
 334 }
 335
 336
 337 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 338                            vlc_value_t oldVal, vlc_value_t newVal,
 339                            void *pParam )
 340 {
 341     VlcProc *pThis = (VlcProc*)pParam;
 342
 343     // Update the stream variable
 344     playlist_t *p_playlist = (playlist_t*)pObj;
 345     pThis->updateStreamName(p_playlist);
 346
 347     // Create a playlist notify command
 348     // TODO: selective update
 349     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 350     // Create a playtree notify command
 351     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 352                                                          newVal.i_int );
 353
 354     // Push the command in the asynchronous command queue
 355     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 356     pQueue->remove( "notify playlist" );
 357     pQueue->remove( "playtree update" );
 358     pQueue->push( CmdGenericPtr( pCmd ) );
 359     pQueue->push( CmdGenericPtr( pCmdTree ) );
 360
 361     return VLC_SUCCESS;
 362 }
 363
 364
 365 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 366                                vlc_value_t oldVal, vlc_value_t newVal,
 367                                void *pParam )
 368 {
 369     VlcProc *pThis = (VlcProc*)pParam;
 370
 371     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 372
 373     // Update the stream variable
 374     playlist_t *p_playlist = (playlist_t*)pObj;
 375     pThis->updateStreamName(p_playlist);
 376
 377     // Create a playlist notify command
 378     // TODO: selective update
 379     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 380     // Create a playtree notify command
 381     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 382
 383     // Push the command in the asynchronous command queue
 384     pQueue->remove( "notify playlist" );
 385     pQueue->remove( "playtree changed" );
 386     pQueue->push( CmdGenericPtr( pCmd ) );
 387     pQueue->push( CmdGenericPtr( pCmdTree ) );
 388
 389     return VLC_SUCCESS;
 390 }
 391
 392
 393 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 394                            vlc_value_t oldVal, vlc_value_t newVal,
 395                            void *pParam )
 396 {
 397     VlcProc *pThis = (VlcProc*)pParam;
 398
 399     // Create a playlist notify command
 400     CmdChangeSkin *pCmd =
 401         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 402
 403     // Push the command in the asynchronous command queue
 404     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 405     pQueue->remove( "change skin" );
 406     pQueue->push( CmdGenericPtr( pCmd ) );
 407
 408     return VLC_SUCCESS;
 409 }
 410
 411
 412 void VlcProc::updateStreamName( playlist_t *p_playlist )
 413 {
 414     if( p_playlist->p_input )
 415     {
 416         VarText &rStreamName = getStreamNameVar();
 417         VarText &rStreamURI = getStreamURIVar();
 418         // XXX: we should not need to access p_input->psz_source directly, a
 419         // getter should be provided by VLC core
 420         string name = p_playlist->p_input->input.p_item->psz_name;
 421         // XXX: This should be done in VLC core, not here...
 422         // Remove path information if any
 423         OSFactory *pFactory = OSFactory::instance( getIntf() );
 424         string::size_type pos = name.rfind( pFactory->getDirSeparator() );
 425         if( pos != string::npos )
 426         {
 427             name = name.substr( pos + 1, name.size() - pos + 1 );
 428         }
 429         UString srcName( getIntf(), name.c_str() );
 430         UString srcURI( getIntf(),
 431                          p_playlist->p_input->input.p_item->psz_uri );
 432
 433         // Create commands to update the stream variables
 434         CmdSetText *pCmd1 = new CmdSetText( getIntf(), rStreamName, srcName );
 435         CmdSetText *pCmd2 = new CmdSetText( getIntf(), rStreamURI, srcURI );
 436         // Push the commands in the asynchronous command queue
 437         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 438         pQueue->push( CmdGenericPtr( pCmd1 ) );
 439         pQueue->push( CmdGenericPtr( pCmd2 ) );
 440     }
 441 }
 442
 443
 444 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 445                           int *pXHint, int *pYHint,
 446                           unsigned int *pWidthHint,
 447                           unsigned int *pHeightHint )
 448 {
 449     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 450     pThis->m_pVout = pVout;
 451     if( pThis->m_handleSet.empty() )
 452     {
 453         return NULL;
 454     }
 455     else
 456     {
 457         return *pThis->m_handleSet.begin();
 458     }
 459 }
 460
 461
 462 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 463 {
 464     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 465     pThis->m_pVout = NULL;
 466 }
 467
 468
 469 int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
 470                             int query, va_list args )
 471 {
 472     return VLC_SUCCESS;
 473 }
 474