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

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