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 1.44 2003/07/09 01:30:41 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
  38 /*****************************************************************************
  39  * VLCControls implementation
  40  *****************************************************************************/
  41 @implementation VLCControls
  42
  43 - (IBAction)play:(id)sender
  44 {
  45     intf_thread_t * p_intf = [NSApp getIntf];
  46
  47     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  48                                                        FIND_ANYWHERE );
  49     if( p_playlist == NULL )
  50     {
  51         return;
  52     }
  53
  54     if( playlist_IsPlaying( p_playlist ) )
  55     {
  56         playlist_Pause( p_playlist );
  57         vlc_object_release( p_playlist );
  58     }
  59     else
  60     {
  61         if( !playlist_IsEmpty( p_playlist ) )
  62         {
  63             playlist_Play( p_playlist );
  64             vlc_object_release( p_playlist );
  65         }
  66         else
  67         {
  68             vlc_object_release( p_playlist );
  69             [o_open openFileGeneric: nil];
  70         }
  71     }
  72 }
  73
  74 - (IBAction)stop:(id)sender
  75 {
  76     intf_thread_t * p_intf = [NSApp getIntf];
  77
  78     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  79                                                        FIND_ANYWHERE );
  80     if( p_playlist == NULL )
  81     {
  82         return;
  83     }
  84
  85     playlist_Stop( p_playlist );
  86     vlc_object_release( p_playlist );
  87 }
  88
  89 - (IBAction)faster:(id)sender
  90 {
  91     intf_thread_t * p_intf = [NSApp getIntf];
  92
  93     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  94                                                        FIND_ANYWHERE );
  95     if( p_playlist == NULL )
  96     {
  97         return;
  98     }
  99
 100     vlc_mutex_lock( &p_playlist->object_lock );
 101     if( p_playlist->p_input != NULL )
 102     {
 103         input_SetStatus( p_playlist->p_input, INPUT_STATUS_FASTER );
 104     }
 105     vlc_mutex_unlock( &p_playlist->object_lock );
 106
 107     vlc_object_release( p_playlist );
 108 }
 109
 110 - (IBAction)slower:(id)sender
 111 {
 112     intf_thread_t * p_intf = [NSApp getIntf];
 113
 114     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 115                                                        FIND_ANYWHERE );
 116     if( p_playlist == NULL )
 117     {
 118         return;
 119     }
 120
 121     vlc_mutex_lock( &p_playlist->object_lock );
 122     if( p_playlist->p_input != NULL )
 123     {
 124         input_SetStatus( p_playlist->p_input, INPUT_STATUS_SLOWER );
 125     }
 126     vlc_mutex_unlock( &p_playlist->object_lock );
 127
 128     vlc_object_release( p_playlist );
 129 }
 130
 131 - (IBAction)prev:(id)sender
 132 {
 133     vlc_value_t val;
 134     intf_thread_t * p_intf = [NSApp getIntf];
 135
 136     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 137                                                        FIND_ANYWHERE );
 138     if( p_playlist == NULL )
 139     {
 140         return;
 141     }
 142
 143     vlc_mutex_lock( &p_playlist->object_lock );
 144
 145     if( p_playlist->p_input == NULL )
 146     {
 147         vlc_mutex_unlock( &p_playlist->object_lock );
 148         vlc_object_release( p_playlist );
 149         return;
 150     }
 151
 152     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 153
 154 #define p_area p_playlist->p_input->stream.p_selected_area
 155     if( p_area->i_part > 0 && p_area->i_part_nb > 1)
 156     {
 157         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 158         vlc_mutex_unlock( &p_playlist->object_lock );
 159         var_Get( p_playlist->p_input, "prev-chapter", &val );
 160         var_Set( p_playlist->p_input, "prev-chapter", val );
 161     }
 162     else if( p_area->i_id > 1 )
 163     {
 164         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 165         vlc_mutex_unlock( &p_playlist->object_lock );
 166         var_Get( p_playlist->p_input, "prev-title", &val );
 167         var_Set( p_playlist->p_input, "prev-title", val );
 168     }
 169     else
 170     {
 171         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 172         vlc_mutex_unlock( &p_playlist->object_lock );
 173         playlist_Prev( p_playlist );
 174     }
 175 #undef p_area
 176
 177     vlc_object_release( p_playlist );
 178 }
 179
 180 - (IBAction)next:(id)sender
 181 {
 182     vlc_value_t val;
 183     intf_thread_t * p_intf = [NSApp getIntf];
 184
 185     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 186                                                        FIND_ANYWHERE );
 187     if( p_playlist == NULL )
 188     {
 189         return;
 190     }
 191
 192     vlc_mutex_lock( &p_playlist->object_lock );
 193
 194     if( p_playlist->p_input == NULL )
 195     {
 196         vlc_mutex_unlock( &p_playlist->object_lock );
 197         vlc_object_release( p_playlist );
 198         return;
 199     }
 200
 201     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 202
 203 #define p_area p_playlist->p_input->stream.p_selected_area
 204     if( p_area->i_part < p_area->i_part_nb && p_area->i_part_nb > 1 )
 205     {
 206     NSLog(@"next-chapter: %d, all: %d", p_area->i_part, p_area->i_part_nb);
 207         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 208         vlc_mutex_unlock( &p_playlist->object_lock );
 209         var_Get( p_playlist->p_input, "next-chapter", &val );
 210         var_Set( p_playlist->p_input, "next-chapter", val );
 211     }
 212     else if( p_area->i_id < p_playlist->p_input->stream.i_area_nb && p_playlist->p_input->stream.i_area_nb > 1 )
 213     {
 214     NSLog(@"next-title: %d, all: %d", p_area->i_id, p_playlist->p_input->stream.i_area_nb );
 215         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 216         vlc_mutex_unlock( &p_playlist->object_lock );
 217         var_Get( p_playlist->p_input, "next-title", &val );
 218         var_Set( p_playlist->p_input, "next-title", val );
 219     }
 220     else
 221     {
 222     NSLog(@"next-item");
 223         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 224         vlc_mutex_unlock( &p_playlist->object_lock );
 225         playlist_Next( p_playlist );
 226     }
 227 #undef p_area
 228
 229     vlc_object_release( p_playlist );
 230 }
 231
 232 - (IBAction)loop:(id)sender
 233 {
 234     intf_thread_t * p_intf = [NSApp getIntf];
 235
 236     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 237                                                        FIND_ANYWHERE );
 238     if( p_playlist == NULL )
 239     {
 240         return;
 241     }
 242
 243     config_PutInt( p_playlist, "loop",
 244                    !config_GetInt( p_playlist, "loop" ) );
 245
 246     vlc_object_release( p_playlist );
 247 }
 248
 249 - (IBAction)forward:(id)sender
 250 {
 251     intf_thread_t * p_intf = [NSApp getIntf];
 252     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 253                                                        FIND_ANYWHERE );
 254     if( p_playlist == NULL || p_playlist->p_input == NULL )
 255     {
 256         if ( p_playlist != NULL ) vlc_object_release( p_playlist );
 257         return;
 258     }
 259
 260     input_Seek( p_playlist->p_input, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 261     vlc_object_release( p_playlist );
 262 }
 263
 264 - (IBAction)backward:(id)sender
 265 {
 266     intf_thread_t * p_intf = [NSApp getIntf];
 267     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 268                                                        FIND_ANYWHERE );
 269     if( p_playlist == NULL || p_playlist->p_input == NULL )
 270     {
 271         if ( p_playlist != NULL ) vlc_object_release( p_playlist );
 272         return;
 273     }
 274
 275     input_Seek( p_playlist->p_input, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 276     vlc_object_release( p_playlist );
 277 }
 278
 279 - (IBAction)volumeUp:(id)sender
 280 {
 281     intf_thread_t * p_intf = [NSApp getIntf];
 282
 283     if( p_intf->p_sys->b_mute )
 284     {
 285         [self mute: nil];
 286     }
 287
 288     aout_VolumeUp( p_intf, 1, NULL );
 289
 290     [self updateVolumeSlider];
 291 }
 292
 293 - (IBAction)volumeDown:(id)sender
 294 {
 295     intf_thread_t * p_intf = [NSApp getIntf];
 296
 297     if( p_intf->p_sys->b_mute )
 298     {
 299         [self mute: nil];
 300     }
 301
 302     aout_VolumeDown( p_intf, 1, NULL );
 303
 304     [self updateVolumeSlider];
 305 }
 306
 307 - (IBAction)mute:(id)sender
 308 {
 309     intf_thread_t * p_intf = [NSApp getIntf];
 310     audio_volume_t i_volume;
 311
 312     aout_VolumeMute( p_intf, &i_volume );
 313     p_intf->p_sys->b_mute = ( i_volume == 0 );
 314
 315     [self updateVolumeSlider];
 316 }
 317
 318 - (IBAction)volumeSliderUpdated:(id)sender
 319 {
 320     intf_thread_t * p_intf = [NSApp getIntf];
 321     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 322
 323     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 324 }
 325
 326 - (void)updateVolumeSlider
 327 {
 328     intf_thread_t * p_intf = [NSApp getIntf];
 329     audio_volume_t i_volume;
 330
 331     aout_VolumeGet( p_intf, &i_volume );
 332
 333     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 334 }
 335
 336 - (IBAction)windowAction:(id)sender
 337 {
 338     id o_window = [NSApp keyWindow];
 339     NSString *o_title = [sender title];
 340     NSArray *o_windows = [NSApp windows];
 341     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 342     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 343                                               FIND_ANYWHERE );
 344
 345     if( p_vout != NULL )
 346     {
 347         while ((o_window = [o_enumerator nextObject]))
 348         {
 349             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 350             {
 351                 if( [o_title isEqualToString: _NS("Fullscreen") ] )
 352                     [o_window toggleFullscreen];
 353                 else if( [o_title isEqualToString: _NS("Half Size") ] )
 354                     [o_window scaleWindowWithFactor: 0.5];
 355                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 356                     [o_window scaleWindowWithFactor: 1.0];
 357                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 358                     [o_window scaleWindowWithFactor: 2.0];
 359                 else if( [o_title isEqualToString: _NS("Float On Top") ] )
 360                     [o_window toggleFloatOnTop];
 361                 else if( [o_title isEqualToString: _NS("Fit To Screen") ] )
 362                 {
 363                     if( ![o_window isZoomed] )
 364                         [o_window performZoom:self];
 365                 }
 366             }
 367         }
 368         vlc_object_release( (vlc_object_t *)p_vout );
 369     }
 370 }
 371
 372 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 373                     target:(vlc_object_t *)p_object
 374                     var:(const char *)psz_variable
 375                     selector:(SEL)pf_callback
 376 {
 377     vlc_value_t val, text;
 378     int i_type = var_Type( p_object, psz_variable );
 379
 380     switch( i_type & VLC_VAR_TYPE )
 381     {
 382     case VLC_VAR_VOID:
 383     case VLC_VAR_BOOL:
 384     case VLC_VAR_VARIABLE:
 385     case VLC_VAR_STRING:
 386     case VLC_VAR_INTEGER:
 387         break;
 388     default:
 389         /* Variable doesn't exist or isn't handled */
 390         return;
 391     }
 392
 393     /* Make sure we want to display the variable */
 394     if( i_type & VLC_VAR_HASCHOICE )
 395     {
 396         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 397         if( val.i_int == 0 ) return;
 398         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 399             return;
 400     }
 401
 402     /* Get the descriptive name of the variable */
 403     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 404     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 405                                         text.psz_string : strdup( psz_variable ) ]];
 406
 407     var_Get( p_object, psz_variable, &val );
 408     if( i_type & VLC_VAR_HASCHOICE )
 409     {
 410         NSMenu *o_menu = [o_mi submenu];
 411
 412         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 413                         var:psz_variable selector:pf_callback];
 414
 415         if( text.psz_string ) free( text.psz_string );
 416         return;
 417     }
 418
 419     VLCMenuExt *o_data;
 420     switch( i_type & VLC_VAR_TYPE )
 421     {
 422     case VLC_VAR_VOID:
 423         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 424                 Value: val ofType: i_type];
 425         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 426         break;
 427
 428     case VLC_VAR_BOOL:
 429         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 430                 Value: val ofType: i_type];
 431         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 432         [o_mi setState: val.b_bool ? TRUE : FALSE ];
 433         break;
 434
 435     default:
 436         if( text.psz_string ) free( text.psz_string );
 437         return;
 438     }
 439
 440     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 441     if( text.psz_string ) free( text.psz_string );
 442 }
 443
 444
 445 - (void)setupVarMenu:(NSMenu *)o_menu
 446                     forMenuItem: (NSMenuItem *)o_parent
 447                     target:(vlc_object_t *)p_object
 448                     var:(const char *)psz_variable
 449                     selector:(SEL)pf_callback
 450 {
 451     vlc_value_t val, val_list, text_list;
 452     int i_type, i, i_nb_items;
 453
 454     /* remove previous items */
 455     i_nb_items = [o_menu numberOfItems];
 456     for( i = 0; i < i_nb_items; i++ )
 457     {
 458         [o_menu removeItemAtIndex: 0];
 459     }
 460
 461     /* Check the type of the object variable */
 462     i_type = var_Type( p_object, psz_variable );
 463
 464     /* Make sure we want to display the variable */
 465     if( i_type & VLC_VAR_HASCHOICE )
 466     {
 467         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 468         if( val.i_int == 0 ) return;
 469         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 470             return;
 471     }
 472     else
 473     {
 474         return;
 475     }
 476
 477     switch( i_type & VLC_VAR_TYPE )
 478     {
 479     case VLC_VAR_VOID:
 480     case VLC_VAR_BOOL:
 481     case VLC_VAR_VARIABLE:
 482     case VLC_VAR_STRING:
 483     case VLC_VAR_INTEGER:
 484         break;
 485     default:
 486         /* Variable doesn't exist or isn't handled */
 487         return;
 488     }
 489
 490     if( var_Get( p_object, psz_variable, &val ) < 0 )
 491     {
 492         return;
 493     }
 494
 495     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 496                     &val_list, &text_list ) < 0 )
 497     {
 498         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 499         return;
 500     }
 501
 502     /* make (un)sensitive */
 503     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 504
 505     for( i = 0; i < val_list.p_list->i_count; i++ )
 506     {
 507         vlc_value_t another_val;
 508         NSMenuItem * o_lmi;
 509         NSString *o_title = @"";
 510         VLCMenuExt *o_data;
 511
 512         switch( i_type & VLC_VAR_TYPE )
 513         {
 514         case VLC_VAR_VARIABLE:
 515
 516             /* This is causing crashes for the moment.
 517             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 518                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 519
 520             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 521                 Value: val ofType: i_type];
 522             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 523
 524             // Create a submenu
 525             NSMenu *o_menu = [o_lmi submenu];
 526
 527             [self setupVarMenu: o_menu forMenuItem: o_lmi target:p_object
 528                             var:psz_variable selector:pf_callback];
 529 */
 530             return;
 531
 532         case VLC_VAR_STRING:
 533             another_val.psz_string =
 534                 strdup(val_list.p_list->p_values[i].psz_string);
 535
 536             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 537                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 538
 539             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 540             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 541                     Value: another_val ofType: i_type];
 542             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 543             [o_lmi setTarget: self];
 544
 545             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) )
 546                 [o_lmi setState: TRUE ];
 547
 548             break;
 549
 550         case VLC_VAR_INTEGER:
 551
 552              o_title = text_list.p_list->p_values[i].psz_string ?
 553                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 554                                  [NSString stringWithFormat: @"%d",
 555                                  val_list.p_list->p_values[i].i_int];
 556
 557             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 558             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 559                     Value: val_list.p_list->p_values[i] ofType: i_type];
 560             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 561             [o_lmi setTarget: self];
 562
 563             if( val_list.p_list->p_values[i].i_int == val.i_int )
 564                 [o_lmi setState: TRUE ];
 565             break;
 566
 567         default:
 568           break;
 569         }
 570     }
 571
 572     /* clean up everything */
 573     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 574     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 575 }
 576
 577 - (IBAction)toggleVar:(id)sender
 578 {
 579     NSMenuItem *o_mi = (NSMenuItem *)sender;
 580     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 581     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 582         toTarget: self withObject: o_data];
 583
 584     return;
 585 }
 586
 587 - (int)toggleVarThread: (id)_o_data
 588 {
 589     vlc_object_t *p_object;
 590     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 591     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 592
 593     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 594
 595     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 596                                     [o_data objectID] );
 597
 598     if( p_object != NULL )
 599     {
 600         var_Set( p_object, strdup([o_data name]), [o_data value] );
 601         vlc_object_release( p_object );
 602         [o_pool release];
 603         return VLC_TRUE;
 604     }
 605     [o_pool release];
 606     return VLC_EGENERIC;
 607 }
 608
 609 @end
 610
 611 @implementation VLCControls (NSMenuValidation)
 612
 613 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 614 {
 615     BOOL bEnabled = TRUE;
 616     intf_thread_t * p_intf = [NSApp getIntf];
 617
 618     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 619                                                        FIND_ANYWHERE );
 620
 621     if( p_playlist != NULL )
 622     {
 623         vlc_mutex_lock( &p_playlist->object_lock );
 624     }
 625
 626 #define p_input p_playlist->p_input
 627
 628     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 629         [[o_mi title] isEqualToString: _NS("Slower")] )
 630     {
 631         if( p_playlist != NULL && p_input != NULL )
 632         {
 633             vlc_mutex_lock( &p_input->stream.stream_lock );
 634             bEnabled = p_input->stream.b_pace_control;
 635             vlc_mutex_unlock( &p_input->stream.stream_lock );
 636         }
 637         else
 638         {
 639             bEnabled = FALSE;
 640         }
 641     }
 642     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 643     {
 644         if( p_playlist == NULL || p_input == NULL )
 645         {
 646             bEnabled = FALSE;
 647         }
 648     }
 649     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 650              [[o_mi title] isEqualToString: _NS("Next")] )
 651     {
 652         if( p_playlist == NULL )
 653         {
 654             bEnabled = FALSE;
 655         }
 656         else
 657         {
 658             bEnabled = p_playlist->i_size > 1;
 659
 660             if( p_input != NULL )
 661             {
 662                 vlc_mutex_lock( &p_input->stream.stream_lock );
 663                 bEnabled |= p_input->stream.i_area_nb > 1;
 664                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 665             }
 666         }
 667     }
 668     else if( [[o_mi title] isEqualToString: _NS("Loop")] )
 669     {
 670         int i_state = config_GetInt( p_playlist, "loop" ) ?
 671                       NSOnState : NSOffState;
 672
 673         [o_mi setState: i_state];
 674     }
 675     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 676              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 677     {
 678         if( p_playlist != NULL && p_input != NULL )
 679         {
 680             vlc_mutex_lock( &p_input->stream.stream_lock );
 681             bEnabled = p_input->stream.b_seekable;
 682             vlc_mutex_unlock( &p_input->stream.stream_lock );
 683         }
 684         else
 685         {
 686             bEnabled = FALSE;
 687         }
 688     }
 689     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 690     {
 691         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 692     }
 693     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 694                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 695                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 696                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 697                 [[o_mi title] isEqualToString: _NS("Fit To Screen")] ||
 698                 [[o_mi title] isEqualToString: _NS("Float On Top")] )
 699     {
 700         id o_window;
 701         NSArray *o_windows = [NSApp windows];
 702         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 703         bEnabled = FALSE;
 704
 705         if ( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 706         {
 707             int i_state = config_GetInt( p_playlist, "macosx-float" ) ?
 708                       NSOnState : NSOffState;
 709             [o_mi setState: i_state];
 710         }
 711
 712         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 713                                               FIND_ANYWHERE );
 714         if( p_vout != NULL )
 715         {
 716             while ((o_window = [o_enumerator nextObject]))
 717             {
 718                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 719                 {
 720                     bEnabled = TRUE;
 721                     break;
 722                 }
 723             }
 724             vlc_object_release( (vlc_object_t *)p_vout );
 725         }
 726     }
 727
 728     if( p_playlist != NULL )
 729     {
 730         vlc_mutex_unlock( &p_playlist->object_lock );
 731         vlc_object_release( p_playlist );
 732     }
 733
 734     return( bEnabled );
 735 }
 736
 737 @end
 738
 739 /*****************************************************************************
 740  * VLCMenuExt implementation
 741  *****************************************************************************
 742  * Object connected to a playlistitem which remembers the data belonging to
 743  * the variable of the autogenerated menu
 744  *****************************************************************************/
 745 @implementation VLCMenuExt
 746
 747 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 748         Value: (vlc_value_t)val ofType: (int)_i_type
 749 {
 750     self = [super init];
 751
 752     if( self != nil )
 753     {
 754         psz_name = strdup( _psz_name );
 755         i_object_id = i_id;
 756         value = val;
 757         i_type = _i_type;
 758     }
 759
 760     return( self );
 761 }
 762
 763 - (void)dealloc
 764 {
 765     free( psz_name );
 766 }
 767
 768 - (char *)name
 769 {
 770     return psz_name;
 771 }
 772
 773 - (int)objectID
 774 {
 775     return i_object_id;
 776 }
 777
 778 - (vlc_value_t)value
 779 {
 780     return value;
 781 }
 782
 783 - (int)type
 784 {
 785     return i_type;
 786 }
 787
 788 @end