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