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