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

   1 /*****************************************************************************
   2  * vlcproc.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   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 ),
  64                   m_pVoutWindow( NULL ), m_pVout( NULL )
  65 {
  66     // Create a timer to poll the status of the vlc
  67     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  68     m_pTimer = pOsFactory->createOSTimer( Callback( this, &doManage ) );
  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::setVoutWindow( void *pVoutWindow )
 164 {
 165     m_pVoutWindow = 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::dropVout()
 176 {
 177     if( m_pVout )
 178     {
 179         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 180             vout_Control( m_pVout, VOUT_CLOSE );
 181         m_pVout = NULL;
 182     }
 183 }
 184
 185
 186 void VlcProc::manage()
 187 {
 188     // Did the user requested to quit vlc ?
 189     if( getIntf()->b_die || getIntf()->p_vlc->b_die )
 190     {
 191         CmdQuit *pCmd = new CmdQuit( getIntf() );
 192         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 193         pQueue->push( CmdGenericPtr( pCmd ) );
 194     }
 195
 196     // Get the VLC variables
 197     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 198     Volume *pVolume = (Volume*)m_cVarVolume.get();
 199     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 200     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 201     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 202     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 203     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 204     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 205     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 206     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 207
 208     // Refresh sound volume
 209     audio_volume_t volume;
 210     aout_VolumeGet( getIntf(), &volume );
 211     pVolume->set( (double)volume / AOUT_VOLUME_MAX );
 212     // Set the mute variable
 213     pVarMute->set( volume == 0 );
 214
 215     // Update the input
 216     if( getIntf()->p_sys->p_input == NULL )
 217     {
 218         getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
 219             getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
 220     }
 221     else if( getIntf()->p_sys->p_input->b_dead )
 222     {
 223         vlc_object_release( getIntf()->p_sys->p_input );
 224         getIntf()->p_sys->p_input = NULL;
 225     }
 226
 227     input_thread_t *pInput = getIntf()->p_sys->p_input;
 228
 229     if( pInput && !pInput->b_die )
 230     {
 231         // Refresh time variables
 232         vlc_value_t pos;
 233         var_Get( pInput, "position", &pos );
 234         pTime->set( pos.f_float, false );
 235
 236         // Get the status of the playlist
 237         playlist_status_t status =
 238             getIntf()->p_sys->p_playlist->status.i_status;
 239
 240         pVarPlaying->set( status == PLAYLIST_RUNNING );
 241         pVarStopped->set( status == PLAYLIST_STOPPED );
 242         pVarPaused->set( status == PLAYLIST_PAUSED );
 243
 244         pVarSeekable->set( pos.f_float != 0.0 );
 245     }
 246     else
 247     {
 248         pVarPlaying->set( false );
 249         pVarPaused->set( false );
 250         pVarStopped->set( true );
 251         pVarSeekable->set( false );
 252         pTime->set( 0, false );
 253     }
 254
 255     // Refresh the random variable
 256     vlc_value_t val;
 257     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 258     pVarRandom->set( val.b_bool );
 259
 260     // Refresh the loop variable
 261     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 262     pVarLoop->set( val.b_bool );
 263
 264     // Refresh the repeat variable
 265     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 266     pVarRepeat->set( val.b_bool );
 267 }
 268
 269
 270 void VlcProc::doManage( SkinObject *pObj )
 271 {
 272     VlcProc *pThis = (VlcProc*)pObj;
 273     pThis->manage();
 274 }
 275
 276
 277 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 278                            vlc_value_t oldVal, vlc_value_t newVal,
 279                            void *pParam )
 280 {
 281     VlcProc *pThis = (VlcProc*)pParam;
 282
 283     // Update the stream variable
 284     playlist_t *p_playlist = (playlist_t*)pObj;
 285     pThis->updateStreamName(p_playlist);
 286
 287     // Create a playlist notify command
 288     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 289
 290     // Push the command in the asynchronous command queue
 291     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 292     pQueue->remove( "notify playlist" );
 293     pQueue->push( CmdGenericPtr( pCmd ) );
 294
 295     return VLC_SUCCESS;
 296 }
 297
 298
 299 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 300                          vlc_value_t oldVal, vlc_value_t newVal,
 301                          void *pParam )
 302 {
 303     if (newVal.i_int)
 304     {
 305         VlcProc *pThis = (VlcProc*)pParam;
 306
 307         // Create a raise all command
 308         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 309             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 310
 311         // Push the command in the asynchronous command queue
 312         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 313         pQueue->remove( "raise all windows" );
 314         pQueue->push( CmdGenericPtr( pCmd ) );
 315     }
 316
 317     return VLC_SUCCESS;
 318 }
 319
 320
 321 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 322                            vlc_value_t oldVal, vlc_value_t newVal,
 323                            void *pParam )
 324 {
 325     VlcProc *pThis = (VlcProc*)pParam;
 326
 327     // Update the stream variable
 328     playlist_t *p_playlist = (playlist_t*)pObj;
 329     pThis->updateStreamName(p_playlist);
 330
 331     // Create a playlist notify command
 332     // TODO: selective update
 333     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 334
 335     // Push the command in the asynchronous command queue
 336     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 337     pQueue->remove( "notify playlist" );
 338     pQueue->push( CmdGenericPtr( pCmd ) );
 339
 340     return VLC_SUCCESS;
 341 }
 342
 343
 344 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 345                                vlc_value_t oldVal, vlc_value_t newVal,
 346                                void *pParam )
 347 {
 348     VlcProc *pThis = (VlcProc*)pParam;
 349
 350     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 351
 352     // Update the stream variable
 353     playlist_t *p_playlist = (playlist_t*)pObj;
 354     pThis->updateStreamName(p_playlist);
 355
 356     // Create a playlist notify command
 357     // TODO: selective update
 358     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 359
 360     // Push the command in the asynchronous command queue
 361     pQueue->remove( "notify playlist" );
 362     pQueue->push( CmdGenericPtr( pCmd ) );
 363
 364     return VLC_SUCCESS;
 365 }
 366
 367
 368 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 369                            vlc_value_t oldVal, vlc_value_t newVal,
 370                            void *pParam )
 371 {
 372     VlcProc *pThis = (VlcProc*)pParam;
 373
 374     // Create a playlist notify command
 375     CmdChangeSkin *pCmd =
 376         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 377
 378     // Push the command in the asynchronous command queue
 379     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 380     pQueue->remove( "change skin" );
 381     pQueue->push( CmdGenericPtr( pCmd ) );
 382
 383     return VLC_SUCCESS;
 384 }
 385
 386
 387 void VlcProc::updateStreamName( playlist_t *p_playlist )
 388 {
 389     if( p_playlist->p_input )
 390     {
 391         VarText &rStreamName = getStreamNameVar();
 392         VarText &rStreamURI = getStreamURIVar();
 393         // XXX: we should not need to access p_input->psz_source directly, a
 394         // getter should be provided by VLC core
 395         string name = p_playlist->p_input->input.p_item->psz_name;
 396         // XXX: This should be done in VLC core, not here...
 397         // Remove path information if any
 398         OSFactory *pFactory = OSFactory::instance( getIntf() );
 399         string::size_type pos = name.rfind( pFactory->getDirSeparator() );
 400         if( pos != string::npos )
 401         {
 402             name = name.substr( pos + 1, name.size() - pos + 1 );
 403         }
 404         UString srcName( getIntf(), name.c_str() );
 405         UString srcURI( getIntf(),
 406                          p_playlist->p_input->input.p_item->psz_uri );
 407
 408         // Create commands to update the stream variables
 409         CmdSetText *pCmd1 = new CmdSetText( getIntf(), rStreamName, srcName );
 410         CmdSetText *pCmd2 = new CmdSetText( getIntf(), rStreamURI, srcURI );
 411         // Push the commands in the asynchronous command queue
 412         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 413         pQueue->push( CmdGenericPtr( pCmd1 ) );
 414         pQueue->push( CmdGenericPtr( pCmd2 ) );
 415     }
 416 }
 417
 418
 419 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 420                           int *pXHint, int *pYHint,
 421                           unsigned int *pWidthHint,
 422                           unsigned int *pHeightHint )
 423 {
 424     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 425     pThis->m_pVout = pVout;
 426     return pThis->m_pVoutWindow;
 427 }
 428
 429
 430 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 431 {
 432     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 433     pThis->m_pVout = NULL;
 434 }
 435
 436
 437 int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
 438                             int query, va_list args )
 439 {
 440     return VLC_SUCCESS;
 441 }
 442