git.sesse.net Git - vlc/blob - modules/gui/macosx/controls.m

   1 /*****************************************************************************
   2  * controls.m: MacOS X interface plugin
   3  *****************************************************************************
   4  * Copyright (C) 2002-2003 VideoLAN
   5  * $Id: controls.m,v 1.58 2003/12/11 19:34:47 hartman Exp $
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Christophe Massiot <massiot@via.ecp.fr>
   9  *          Derk-Jan Hartman <thedj@users.sourceforge.net>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include <stdlib.h>                                      /* malloc(), free() */
  30 #include <sys/param.h>                                    /* for MAXPATHLEN */
  31 #include <string.h>
  32
  33 #include "intf.h"
  34 #include "vout.h"
  35 #include "open.h"
  36 #include "controls.h"
  37 #include <osd.h>
  38
  39 /*****************************************************************************
  40  * VLCControls implementation
  41  *****************************************************************************/
  42 @implementation VLCControls
  43
  44 - (IBAction)play:(id)sender
  45 {
  46     vlc_value_t val;
  47     playlist_t * p_playlist;
  48     intf_thread_t * p_intf = [NSApp getIntf];
  49     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  50                                                        FIND_ANYWHERE );
  51
  52     val.i_int = PLAYING_S;
  53     if( p_input )
  54     {
  55         var_Get( p_input, "state", &val );
  56     }
  57     if( p_input && val.i_int != PAUSE_S )
  58     {
  59         vout_OSDMessage( VLC_OBJECT(p_intf), _( "Pause" ) );
  60         val.i_int = PAUSE_S;
  61         var_Set( p_input, "state", val );
  62     }
  63     else
  64     {
  65         p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  66                                         FIND_ANYWHERE );
  67         if( p_playlist )
  68         {
  69             vlc_mutex_lock( &p_playlist->object_lock );
  70             if( p_playlist->i_size )
  71             {
  72                 vlc_mutex_unlock( &p_playlist->object_lock );
  73                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Play" ) );
  74                 playlist_Play( p_playlist );
  75                 vlc_object_release( p_playlist );
  76             }
  77             else
  78             {
  79                 vlc_mutex_unlock( &p_playlist->object_lock );
  80                 vlc_object_release( p_playlist );
  81                 [o_open openFileGeneric: nil];
  82             }
  83         }
  84     }
  85     if( p_input ) vlc_object_release( p_input );
  86 }
  87
  88 - (IBAction)stop:(id)sender
  89 {
  90     intf_thread_t * p_intf = [NSApp getIntf];
  91     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  92                                                        FIND_ANYWHERE );
  93     if( p_playlist != NULL )
  94     {
  95         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Stop" ) );
  96         playlist_Stop( p_playlist );
  97         vlc_object_release( p_playlist );
  98     }
  99 }
 100
 101 - (IBAction)faster:(id)sender
 102 {
 103     intf_thread_t * p_intf = [NSApp getIntf];
 104     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 105                                                        FIND_ANYWHERE );
 106     if( p_input != NULL )
 107     {
 108         vlc_value_t val; val.b_bool = VLC_TRUE;
 109
 110         var_Set( p_input, "rate-faster", val );
 111         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Faster" ) );
 112         vlc_object_release( p_input );
 113     }
 114 }
 115
 116 - (IBAction)slower:(id)sender
 117 {
 118     intf_thread_t * p_intf = [NSApp getIntf];
 119     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 120                                                        FIND_ANYWHERE );
 121     if( p_input != NULL )
 122     {
 123         vlc_value_t val; val.b_bool = VLC_TRUE;
 124
 125         var_Set( p_input, "rate-slower", val );
 126         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Slower" ) );
 127         vlc_object_release( p_input );
 128     }
 129 }
 130
 131 - (IBAction)prev:(id)sender
 132 {
 133     intf_thread_t * p_intf = [NSApp getIntf];
 134     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 135                                                        FIND_ANYWHERE );
 136     if( p_playlist )
 137     {
 138         playlist_Prev( p_playlist );
 139         vlc_object_release( p_playlist );
 140         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Previous" ) );
 141     }
 142 }
 143
 144 - (IBAction)next:(id)sender
 145 {
 146     intf_thread_t * p_intf = [NSApp getIntf];
 147     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 148                                                        FIND_ANYWHERE );
 149     if( p_playlist )
 150     {
 151         playlist_Next( p_playlist );
 152         vlc_object_release( p_playlist );
 153         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Next" ) );
 154     }
 155 }
 156
 157 - (IBAction)random:(id)sender
 158 {
 159     intf_thread_t * p_intf = [NSApp getIntf];
 160     vlc_value_t val;
 161     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 162                                                        FIND_ANYWHERE );
 163     if( p_playlist == NULL )
 164     {
 165         return;
 166     }
 167
 168     var_Get( p_playlist, "random", &val );
 169     val.b_bool = !val.b_bool;
 170     var_Set( p_playlist, "random", val );
 171     if( val.b_bool )
 172     {
 173         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Shuffle On" ) );
 174     }
 175     else
 176     {
 177         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Shuffle Off" ) );
 178     }
 179
 180     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 181     p_intf->p_sys->b_intf_update = VLC_TRUE;
 182     vlc_object_release( p_playlist );
 183 }
 184
 185 - (IBAction)repeat:(id)sender
 186 {
 187     intf_thread_t * p_intf = [NSApp getIntf];
 188     vlc_value_t val;
 189     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 190                                                        FIND_ANYWHERE );
 191     if( p_playlist == NULL )
 192     {
 193         return;
 194     }
 195
 196     var_Get( p_playlist, "repeat", &val );
 197     val.b_bool = !val.b_bool;
 198     var_Set( p_playlist, "repeat", val );
 199     if( val.b_bool )
 200     {
 201         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Repeat On" ) );
 202     }
 203     else
 204     {
 205         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Repeat Off" ) );
 206     }
 207
 208     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 209     p_intf->p_sys->b_intf_update = VLC_TRUE;
 210     vlc_object_release( p_playlist );
 211 }
 212
 213 - (IBAction)loop:(id)sender
 214 {
 215     intf_thread_t * p_intf = [NSApp getIntf];
 216     vlc_value_t val;
 217     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 218                                                        FIND_ANYWHERE );
 219     if( p_playlist == NULL )
 220     {
 221         return;
 222     }
 223
 224     var_Get( p_playlist, "loop", &val );
 225     val.b_bool = !val.b_bool;
 226     var_Set( p_playlist, "loop", val );
 227     if( val.b_bool )
 228     {
 229         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Loop On" ) );
 230     }
 231     else
 232     {
 233         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Loop Off" ) );
 234     }
 235
 236     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 237     p_intf->p_sys->b_intf_update = VLC_TRUE;
 238     vlc_object_release( p_playlist );
 239 }
 240
 241 - (IBAction)forward:(id)sender
 242 {
 243     intf_thread_t * p_intf = [NSApp getIntf];
 244     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 245                                                        FIND_ANYWHERE );
 246     if( p_input != NULL )
 247     {
 248         vlc_value_t time;
 249         time.i_time = 10 * 1000000;
 250         var_Set( p_input, "time-offset", time );
 251         vlc_object_release( p_input );
 252     }
 253 }
 254
 255 - (IBAction)backward:(id)sender
 256 {
 257     intf_thread_t * p_intf = [NSApp getIntf];
 258     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 259                                                        FIND_ANYWHERE );
 260     if( p_input != NULL )
 261     {
 262         vlc_value_t time;
 263         time.i_time = -10 * 1000000;
 264         var_Set( p_input, "time-offset", time );
 265         vlc_object_release( p_input );
 266     }
 267 }
 268
 269 - (IBAction)volumeUp:(id)sender
 270 {
 271     intf_thread_t * p_intf = [NSApp getIntf];
 272
 273     if( p_intf->p_sys->b_mute )
 274     {
 275         [self mute: nil];
 276     }
 277
 278     aout_VolumeUp( p_intf, 1, NULL );
 279
 280     [self updateVolumeSlider];
 281 }
 282
 283 - (IBAction)volumeDown:(id)sender
 284 {
 285     intf_thread_t * p_intf = [NSApp getIntf];
 286
 287     if( p_intf->p_sys->b_mute )
 288     {
 289         [self mute: nil];
 290     }
 291
 292     aout_VolumeDown( p_intf, 1, NULL );
 293
 294     [self updateVolumeSlider];
 295 }
 296
 297 - (IBAction)mute:(id)sender
 298 {
 299     intf_thread_t * p_intf = [NSApp getIntf];
 300     audio_volume_t i_volume;
 301
 302     aout_VolumeMute( p_intf, &i_volume );
 303     p_intf->p_sys->b_mute = ( i_volume == 0 );
 304
 305     [self updateVolumeSlider];
 306 }
 307
 308 - (IBAction)volumeSliderUpdated:(id)sender
 309 {
 310     intf_thread_t * p_intf = [NSApp getIntf];
 311     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 312
 313     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 314 }
 315
 316 - (void)updateVolumeSlider
 317 {
 318     intf_thread_t * p_intf = [NSApp getIntf];
 319     audio_volume_t i_volume;
 320     char string[9];
 321
 322     aout_VolumeGet( p_intf, &i_volume );
 323
 324     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 325
 326     sprintf( string, "Vol %d%%", i_volume*100/AOUT_VOLUME_MAX );
 327     vout_OSDMessage( (vlc_object_t *)p_intf, string );
 328 }
 329
 330 - (IBAction)windowAction:(id)sender
 331 {
 332     id o_window = [NSApp keyWindow];
 333     NSString *o_title = [sender title];
 334     NSArray *o_windows = [NSApp orderedWindows];
 335     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 336     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 337                                               FIND_ANYWHERE );
 338
 339     if( p_vout != NULL )
 340     {
 341         while ((o_window = [o_enumerator nextObject]))
 342         {
 343             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 344             {
 345                 if( [o_title isEqualToString: _NS("Half Size") ] )
 346                     [o_window scaleWindowWithFactor: 0.5];
 347                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 348                     [o_window scaleWindowWithFactor: 1.0];
 349                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 350                     [o_window scaleWindowWithFactor: 2.0];
 351                 else if( [o_title isEqualToString: _NS("Float On Top") ] )
 352                     [o_window toggleFloatOnTop];
 353                 else if( [o_title isEqualToString: _NS("Fit To Screen") ] )
 354                 {
 355                     if( ![o_window isZoomed] )
 356                         [o_window performZoom:self];
 357                 }
 358                 else
 359                 {
 360                     [o_btn_fullscreen setState: ![o_window isFullscreen]];
 361                     [o_window toggleFullscreen];
 362                 }
 363                 break;
 364             }
 365         }
 366         vlc_object_release( (vlc_object_t *)p_vout );
 367     }
 368 }
 369
 370 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 371                     target:(vlc_object_t *)p_object
 372                     var:(const char *)psz_variable
 373                     selector:(SEL)pf_callback
 374 {
 375     vlc_value_t val, text;
 376     int i_type = var_Type( p_object, psz_variable );
 377
 378     switch( i_type & VLC_VAR_TYPE )
 379     {
 380     case VLC_VAR_VOID:
 381     case VLC_VAR_BOOL:
 382     case VLC_VAR_VARIABLE:
 383     case VLC_VAR_STRING:
 384     case VLC_VAR_INTEGER:
 385         break;
 386     default:
 387         /* Variable doesn't exist or isn't handled */
 388         return;
 389     }
 390
 391     /* Make sure we want to display the variable */
 392     if( i_type & VLC_VAR_HASCHOICE )
 393     {
 394         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 395         if( val.i_int == 0 ) return;
 396         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 397             return;
 398     }
 399
 400     /* Get the descriptive name of the variable */
 401     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 402     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 403                                         text.psz_string : strdup( psz_variable ) ]];
 404
 405     var_Get( p_object, psz_variable, &val );
 406     if( i_type & VLC_VAR_HASCHOICE )
 407     {
 408         NSMenu *o_menu = [o_mi submenu];
 409
 410         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 411                         var:psz_variable selector:pf_callback];
 412
 413         if( text.psz_string ) free( text.psz_string );
 414         return;
 415     }
 416
 417     VLCMenuExt *o_data;
 418     switch( i_type & VLC_VAR_TYPE )
 419     {
 420     case VLC_VAR_VOID:
 421         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 422                 Value: val ofType: i_type];
 423         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 424         break;
 425
 426     case VLC_VAR_BOOL:
 427         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 428                 Value: val ofType: i_type];
 429         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 430         [o_mi setState: val.b_bool ? TRUE : FALSE ];
 431         break;
 432
 433     default:
 434         if( text.psz_string ) free( text.psz_string );
 435         return;
 436     }
 437
 438     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 439     if( text.psz_string ) free( text.psz_string );
 440 }
 441
 442
 443 - (void)setupVarMenu:(NSMenu *)o_menu
 444                     forMenuItem: (NSMenuItem *)o_parent
 445                     target:(vlc_object_t *)p_object
 446                     var:(const char *)psz_variable
 447                     selector:(SEL)pf_callback
 448 {
 449     vlc_value_t val, val_list, text_list;
 450     int i_type, i, i_nb_items;
 451
 452     /* remove previous items */
 453     i_nb_items = [o_menu numberOfItems];
 454     for( i = 0; i < i_nb_items; i++ )
 455     {
 456         [o_menu removeItemAtIndex: 0];
 457     }
 458
 459     /* Check the type of the object variable */
 460     i_type = var_Type( p_object, psz_variable );
 461
 462     /* Make sure we want to display the variable */
 463     if( i_type & VLC_VAR_HASCHOICE )
 464     {
 465         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 466         if( val.i_int == 0 ) return;
 467         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 468             return;
 469     }
 470     else
 471     {
 472         return;
 473     }
 474
 475     switch( i_type & VLC_VAR_TYPE )
 476     {
 477     case VLC_VAR_VOID:
 478     case VLC_VAR_BOOL:
 479     case VLC_VAR_VARIABLE:
 480     case VLC_VAR_STRING:
 481     case VLC_VAR_INTEGER:
 482         break;
 483     default:
 484         /* Variable doesn't exist or isn't handled */
 485         return;
 486     }
 487
 488     if( var_Get( p_object, psz_variable, &val ) < 0 )
 489     {
 490         return;
 491     }
 492
 493     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 494                     &val_list, &text_list ) < 0 )
 495     {
 496         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 497         return;
 498     }
 499
 500     /* make (un)sensitive */
 501     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 502
 503     for( i = 0; i < val_list.p_list->i_count; i++ )
 504     {
 505         vlc_value_t another_val;
 506         NSMenuItem * o_lmi;
 507         NSString *o_title = @"";
 508         VLCMenuExt *o_data;
 509
 510         switch( i_type & VLC_VAR_TYPE )
 511         {
 512         case VLC_VAR_VARIABLE:
 513
 514             /* This is causing crashes for the moment.
 515             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 516                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 517
 518             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 519                 Value: val ofType: i_type];
 520             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 521
 522             // Create a submenu
 523             NSMenu *o_menu = [o_lmi submenu];
 524
 525             [self setupVarMenu: o_menu forMenuItem: o_lmi target:p_object
 526                             var:psz_variable selector:pf_callback];
 527 */
 528             return;
 529
 530         case VLC_VAR_STRING:
 531             another_val.psz_string =
 532                 strdup(val_list.p_list->p_values[i].psz_string);
 533
 534             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 535                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 536
 537             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 538             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 539                     Value: another_val ofType: i_type];
 540             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 541             [o_lmi setTarget: self];
 542
 543             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) )
 544                 [o_lmi setState: TRUE ];
 545
 546             break;
 547
 548         case VLC_VAR_INTEGER:
 549
 550              o_title = text_list.p_list->p_values[i].psz_string ?
 551                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 552                                  [NSString stringWithFormat: @"%d",
 553                                  val_list.p_list->p_values[i].i_int];
 554
 555             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 556             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 557                     Value: val_list.p_list->p_values[i] ofType: i_type];
 558             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 559             [o_lmi setTarget: self];
 560
 561             if( val_list.p_list->p_values[i].i_int == val.i_int )
 562                 [o_lmi setState: TRUE ];
 563             break;
 564
 565         default:
 566           break;
 567         }
 568     }
 569
 570     /* clean up everything */
 571     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 572     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 573 }
 574
 575 - (IBAction)toggleVar:(id)sender
 576 {
 577     NSMenuItem *o_mi = (NSMenuItem *)sender;
 578     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 579     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 580         toTarget: self withObject: o_data];
 581
 582     return;
 583 }
 584
 585 - (int)toggleVarThread: (id)_o_data
 586 {
 587     vlc_object_t *p_object;
 588     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 589     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 590
 591     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 592
 593     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 594                                     [o_data objectID] );
 595
 596     if( p_object != NULL )
 597     {
 598         var_Set( p_object, strdup([o_data name]), [o_data value] );
 599         vlc_object_release( p_object );
 600         [o_pool release];
 601         return VLC_TRUE;
 602     }
 603     [o_pool release];
 604     return VLC_EGENERIC;
 605 }
 606
 607 @end
 608
 609 @implementation VLCControls (NSMenuValidation)
 610
 611 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 612 {
 613     BOOL bEnabled = TRUE;
 614     vlc_value_t val;
 615     intf_thread_t * p_intf = [NSApp getIntf];
 616     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 617                                                        FIND_ANYWHERE );
 618
 619     if( p_playlist != NULL )
 620     {
 621         vlc_mutex_lock( &p_playlist->object_lock );
 622     }
 623
 624 #define p_input p_playlist->p_input
 625
 626     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 627         [[o_mi title] isEqualToString: _NS("Slower")] )
 628     {
 629         if( p_playlist != NULL && p_input != NULL )
 630         {
 631             vlc_mutex_lock( &p_input->stream.stream_lock );
 632             bEnabled = p_input->stream.b_pace_control;
 633             vlc_mutex_unlock( &p_input->stream.stream_lock );
 634         }
 635         else
 636         {
 637             bEnabled = FALSE;
 638         }
 639     }
 640     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 641     {
 642         if( p_playlist == NULL || p_input == NULL )
 643         {
 644             bEnabled = FALSE;
 645         }
 646     }
 647     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 648              [[o_mi title] isEqualToString: _NS("Next")] )
 649     {
 650         if( p_playlist == NULL )
 651         {
 652             bEnabled = FALSE;
 653         }
 654         else
 655         {
 656             bEnabled = p_playlist->i_size > 1;
 657
 658             if( p_input != NULL )
 659             {
 660                 vlc_mutex_lock( &p_input->stream.stream_lock );
 661                 bEnabled |= p_input->stream.i_area_nb > 1;
 662                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 663             }
 664         }
 665     }
 666     else if( [[o_mi title] isEqualToString: _NS("Shuffle")] )
 667     {
 668         int i_state;
 669         var_Get( p_playlist, "random", &val );
 670         i_state = val.b_bool ? NSOnState : NSOffState;
 671         [o_mi setState: i_state];
 672     }
 673     else if( [[o_mi title] isEqualToString: _NS("Repeat Item")] )
 674     {
 675         int i_state;
 676         var_Get( p_playlist, "repeat", &val );
 677         i_state = val.b_bool ? NSOnState : NSOffState;
 678         [o_mi setState: i_state];
 679     }
 680     else if( [[o_mi title] isEqualToString: _NS("Repeat Playlist")] )
 681     {
 682         int i_state;
 683         var_Get( p_playlist, "loop", &val );
 684         i_state = val.b_bool ? NSOnState : NSOffState;
 685         [o_mi setState: i_state];
 686     }
 687     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 688              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 689     {
 690         if( p_playlist != NULL && p_input != NULL )
 691         {
 692             vlc_mutex_lock( &p_input->stream.stream_lock );
 693             bEnabled = p_input->stream.b_seekable;
 694             vlc_mutex_unlock( &p_input->stream.stream_lock );
 695         }
 696         else
 697         {
 698             bEnabled = FALSE;
 699         }
 700     }
 701     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 702     {
 703         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 704     }
 705     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 706                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 707                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 708                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 709                 [[o_mi title] isEqualToString: _NS("Fit To Screen")] ||
 710                 [[o_mi title] isEqualToString: _NS("Float On Top")] )
 711     {
 712         id o_window;
 713         NSArray *o_windows = [NSApp orderedWindows];
 714         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 715         bEnabled = FALSE;
 716
 717         if ( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 718         {
 719             int i_state = config_GetInt( p_playlist, "video-on-top" ) ?
 720                       NSOnState : NSOffState;
 721             [o_mi setState: i_state];
 722         }
 723
 724         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 725                                               FIND_ANYWHERE );
 726         if( p_vout != NULL )
 727         {
 728             while ((o_window = [o_enumerator nextObject]))
 729             {
 730                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 731                 {
 732                     bEnabled = TRUE;
 733                     break;
 734                 }
 735             }
 736             vlc_object_release( (vlc_object_t *)p_vout );
 737         }
 738     }
 739
 740     if( p_playlist != NULL )
 741     {
 742         vlc_mutex_unlock( &p_playlist->object_lock );
 743         vlc_object_release( p_playlist );
 744     }
 745
 746     return( bEnabled );
 747 }
 748
 749 @end
 750
 751 /*****************************************************************************
 752  * VLCMenuExt implementation
 753  *****************************************************************************
 754  * Object connected to a playlistitem which remembers the data belonging to
 755  * the variable of the autogenerated menu
 756  *****************************************************************************/
 757 @implementation VLCMenuExt
 758
 759 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 760         Value: (vlc_value_t)val ofType: (int)_i_type
 761 {
 762     self = [super init];
 763
 764     if( self != nil )
 765     {
 766         psz_name = strdup( _psz_name );
 767         i_object_id = i_id;
 768         value = val;
 769         i_type = _i_type;
 770     }
 771
 772     return( self );
 773 }
 774
 775 - (void)dealloc
 776 {
 777     free( psz_name );
 778 }
 779
 780 - (char *)name
 781 {
 782     return psz_name;
 783 }
 784
 785 - (int)objectID
 786 {
 787     return i_object_id;
 788 }
 789
 790 - (vlc_value_t)value
 791 {
 792     return value;
 793 }
 794
 795 - (int)type
 796 {
 797     return i_type;
 798 }
 799
 800 @end