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 1.43 2003/06/30 01:52:57 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         p_intf->p_sys->b_input_update = VLC_TRUE;
 163     }
 164     else if( p_area->i_id > 1 )
 165     {
 166         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 167         vlc_mutex_unlock( &p_playlist->object_lock );
 168         var_Get( p_playlist->p_input, "prev-title", &val );
 169         var_Set( p_playlist->p_input, "prev-title", val );
 170
 171         p_intf->p_sys->b_input_update = VLC_TRUE;
 172     }
 173     else
 174     {
 175         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 176         vlc_mutex_unlock( &p_playlist->object_lock );
 177         playlist_Prev( p_playlist );
 178     }
 179 #undef p_area
 180
 181     vlc_object_release( p_playlist );
 182 }
 183
 184 - (IBAction)next:(id)sender
 185 {
 186     vlc_value_t val;
 187     intf_thread_t * p_intf = [NSApp getIntf];
 188
 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     vlc_mutex_lock( &p_playlist->object_lock );
 197
 198     if( p_playlist->p_input == NULL )
 199     {
 200         vlc_mutex_unlock( &p_playlist->object_lock );
 201         vlc_object_release( p_playlist );
 202         return;
 203     }
 204
 205     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 206
 207 #define p_area p_playlist->p_input->stream.p_selected_area
 208     if( p_area->i_part < p_area->i_part_nb && p_area->i_part_nb > 1 )
 209     {
 210         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 211         vlc_mutex_unlock( &p_playlist->object_lock );
 212         var_Get( p_playlist->p_input, "next-chapter", &val );
 213         var_Set( p_playlist->p_input, "next-chapter", val );
 214
 215         p_intf->p_sys->b_input_update = VLC_TRUE;
 216     }
 217     else if( p_area->i_id < p_playlist->p_input->stream.i_area_nb )
 218     {
 219         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 220         vlc_mutex_unlock( &p_playlist->object_lock );
 221         var_Get( p_playlist->p_input, "next-title", &val );
 222         var_Set( p_playlist->p_input, "next-title", val );
 223
 224         p_intf->p_sys->b_input_update = VLC_TRUE;
 225     }
 226     else
 227     {
 228         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 229         vlc_mutex_unlock( &p_playlist->object_lock );
 230         playlist_Next( p_playlist );
 231     }
 232 #undef p_area
 233
 234     vlc_object_release( p_playlist );
 235 }
 236
 237 - (IBAction)loop:(id)sender
 238 {
 239     intf_thread_t * p_intf = [NSApp getIntf];
 240
 241     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 242                                                        FIND_ANYWHERE );
 243     if( p_playlist == NULL )
 244     {
 245         return;
 246     }
 247
 248     config_PutInt( p_playlist, "loop",
 249                    !config_GetInt( p_playlist, "loop" ) );
 250
 251     vlc_object_release( p_playlist );
 252 }
 253
 254 - (IBAction)forward:(id)sender
 255 {
 256     intf_thread_t * p_intf = [NSApp getIntf];
 257     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 258                                                        FIND_ANYWHERE );
 259     if( p_playlist == NULL || p_playlist->p_input == NULL )
 260     {
 261         if ( p_playlist != NULL ) vlc_object_release( p_playlist );
 262         return;
 263     }
 264
 265     input_Seek( p_playlist->p_input, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 266     vlc_object_release( p_playlist );
 267 }
 268
 269 - (IBAction)backward:(id)sender
 270 {
 271     intf_thread_t * p_intf = [NSApp getIntf];
 272     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 273                                                        FIND_ANYWHERE );
 274     if( p_playlist == NULL || p_playlist->p_input == NULL )
 275     {
 276         if ( p_playlist != NULL ) vlc_object_release( p_playlist );
 277         return;
 278     }
 279
 280     input_Seek( p_playlist->p_input, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 281     vlc_object_release( p_playlist );
 282 }
 283
 284 - (IBAction)volumeUp:(id)sender
 285 {
 286     intf_thread_t * p_intf = [NSApp getIntf];
 287
 288     if( p_intf->p_sys->b_mute )
 289     {
 290         [self mute: nil];
 291     }
 292
 293     aout_VolumeUp( p_intf, 1, NULL );
 294
 295     [self updateVolumeSlider];
 296 }
 297
 298 - (IBAction)volumeDown:(id)sender
 299 {
 300     intf_thread_t * p_intf = [NSApp getIntf];
 301
 302     if( p_intf->p_sys->b_mute )
 303     {
 304         [self mute: nil];
 305     }
 306
 307     aout_VolumeDown( p_intf, 1, NULL );
 308
 309     [self updateVolumeSlider];
 310 }
 311
 312 - (IBAction)mute:(id)sender
 313 {
 314     intf_thread_t * p_intf = [NSApp getIntf];
 315     audio_volume_t i_volume;
 316
 317     aout_VolumeMute( p_intf, &i_volume );
 318     p_intf->p_sys->b_mute = ( i_volume == 0 );
 319
 320     [self updateVolumeSlider];
 321 }
 322
 323 - (IBAction)volumeSliderUpdated:(id)sender
 324 {
 325     intf_thread_t * p_intf = [NSApp getIntf];
 326     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 327
 328     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 329 }
 330
 331 - (void)updateVolumeSlider
 332 {
 333     intf_thread_t * p_intf = [NSApp getIntf];
 334     audio_volume_t i_volume;
 335
 336     aout_VolumeGet( p_intf, &i_volume );
 337
 338     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 339 }
 340
 341 - (IBAction)windowAction:(id)sender
 342 {
 343     id o_window = [NSApp keyWindow];
 344     NSString *o_title = [sender title];
 345     NSArray *o_windows = [NSApp windows];
 346     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 347     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 348                                               FIND_ANYWHERE );
 349
 350     if( p_vout != NULL )
 351     {
 352         while ((o_window = [o_enumerator nextObject]))
 353         {
 354             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 355             {
 356                 if( [o_title isEqualToString: _NS("Fullscreen") ] )
 357                     [o_window toggleFullscreen];
 358                 else if( [o_title isEqualToString: _NS("Half Size") ] )
 359                     [o_window scaleWindowWithFactor: 0.5];
 360                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 361                     [o_window scaleWindowWithFactor: 1.0];
 362                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 363                     [o_window scaleWindowWithFactor: 2.0];
 364                 else if( [o_title isEqualToString: _NS("Float On Top") ] )
 365                     [o_window toggleFloatOnTop];
 366                 else if( [o_title isEqualToString: _NS("Fit To Screen") ] )
 367                 {
 368                     if( ![o_window isZoomed] )
 369                         [o_window performZoom:self];
 370                 }
 371             }
 372         }
 373         vlc_object_release( (vlc_object_t *)p_vout );
 374     }
 375 }
 376
 377 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 378                     target:(vlc_object_t *)p_object
 379                     var:(const char *)psz_variable
 380                     selector:(SEL)pf_callback
 381 {
 382     vlc_value_t val, text;
 383     int i_type = var_Type( p_object, psz_variable );
 384
 385     switch( i_type & VLC_VAR_TYPE )
 386     {
 387     case VLC_VAR_VOID:
 388     case VLC_VAR_BOOL:
 389     case VLC_VAR_VARIABLE:
 390     case VLC_VAR_STRING:
 391     case VLC_VAR_INTEGER:
 392         break;
 393     default:
 394         /* Variable doesn't exist or isn't handled */
 395         return;
 396     }
 397
 398     /* Make sure we want to display the variable */
 399     if( i_type & VLC_VAR_HASCHOICE )
 400     {
 401         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 402         if( val.i_int == 0 ) return;
 403         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 404             return;
 405     }
 406
 407     /* Get the descriptive name of the variable */
 408     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 409     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 410                                         text.psz_string : strdup( psz_variable ) ]];
 411
 412     var_Get( p_object, psz_variable, &val );
 413     if( i_type & VLC_VAR_HASCHOICE )
 414     {
 415         NSMenu *o_menu = [o_mi submenu];
 416
 417         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 418                         var:psz_variable selector:pf_callback];
 419
 420         if( text.psz_string ) free( text.psz_string );
 421         return;
 422     }
 423
 424     VLCMenuExt *o_data;
 425     switch( i_type & VLC_VAR_TYPE )
 426     {
 427     case VLC_VAR_VOID:
 428         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 429                 Value: val ofType: i_type];
 430         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 431         break;
 432
 433     case VLC_VAR_BOOL:
 434         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 435                 Value: val ofType: i_type];
 436         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 437         [o_mi setState: val.b_bool ? TRUE : FALSE ];
 438         break;
 439
 440     default:
 441         if( text.psz_string ) free( text.psz_string );
 442         return;
 443     }
 444
 445     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 446     if( text.psz_string ) free( text.psz_string );
 447 }
 448
 449
 450 - (void)setupVarMenu:(NSMenu *)o_menu
 451                     forMenuItem: (NSMenuItem *)o_parent
 452                     target:(vlc_object_t *)p_object
 453                     var:(const char *)psz_variable
 454                     selector:(SEL)pf_callback
 455 {
 456     vlc_value_t val, val_list, text_list;
 457     int i_type, i, i_nb_items;
 458
 459     /* remove previous items */
 460     i_nb_items = [o_menu numberOfItems];
 461     for( i = 0; i < i_nb_items; i++ )
 462     {
 463         [o_menu removeItemAtIndex: 0];
 464     }
 465
 466     /* Check the type of the object variable */
 467     i_type = var_Type( p_object, psz_variable );
 468
 469     /* Make sure we want to display the variable */
 470     if( i_type & VLC_VAR_HASCHOICE )
 471     {
 472         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 473         if( val.i_int == 0 ) return;
 474         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 475             return;
 476     }
 477     else
 478     {
 479         return;
 480     }
 481
 482     switch( i_type & VLC_VAR_TYPE )
 483     {
 484     case VLC_VAR_VOID:
 485     case VLC_VAR_BOOL:
 486     case VLC_VAR_VARIABLE:
 487     case VLC_VAR_STRING:
 488     case VLC_VAR_INTEGER:
 489         break;
 490     default:
 491         /* Variable doesn't exist or isn't handled */
 492         return;
 493     }
 494
 495     if( var_Get( p_object, psz_variable, &val ) < 0 )
 496     {
 497         return;
 498     }
 499
 500     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 501                     &val_list, &text_list ) < 0 )
 502     {
 503         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 504         return;
 505     }
 506
 507     /* make (un)sensitive */
 508     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 509
 510     for( i = 0; i < val_list.p_list->i_count; i++ )
 511     {
 512         vlc_value_t another_val;
 513         NSMenuItem * o_lmi;
 514         NSString *o_title = @"";
 515         VLCMenuExt *o_data;
 516
 517         switch( i_type & VLC_VAR_TYPE )
 518         {
 519         case VLC_VAR_VARIABLE:
 520
 521             /* This is causing crashes for the moment.
 522             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 523                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 524
 525             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 526                 Value: val ofType: i_type];
 527             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 528
 529             // Create a submenu
 530             NSMenu *o_menu = [o_lmi submenu];
 531
 532             [self setupVarMenu: o_menu forMenuItem: o_lmi target:p_object
 533                             var:psz_variable selector:pf_callback];
 534 */
 535             return;
 536
 537         case VLC_VAR_STRING:
 538             another_val.psz_string =
 539                 strdup(val_list.p_list->p_values[i].psz_string);
 540
 541             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 542                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 543
 544             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 545             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 546                     Value: another_val ofType: i_type];
 547             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 548             [o_lmi setTarget: self];
 549
 550             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) )
 551                 [o_lmi setState: TRUE ];
 552
 553             break;
 554
 555         case VLC_VAR_INTEGER:
 556
 557              o_title = text_list.p_list->p_values[i].psz_string ?
 558                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 559                                  [NSString stringWithFormat: @"%d",
 560                                  val_list.p_list->p_values[i].i_int];
 561
 562             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 563             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 564                     Value: val_list.p_list->p_values[i] ofType: i_type];
 565             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 566             [o_lmi setTarget: self];
 567
 568             if( val_list.p_list->p_values[i].i_int == val.i_int )
 569                 [o_lmi setState: TRUE ];
 570             break;
 571
 572         default:
 573           break;
 574         }
 575     }
 576
 577     /* clean up everything */
 578     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 579     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 580 }
 581
 582 - (IBAction)toggleVar:(id)sender
 583 {
 584     NSMenuItem *o_mi = (NSMenuItem *)sender;
 585     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 586     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 587         toTarget: self withObject: o_data];
 588
 589     return;
 590 }
 591
 592 - (int)toggleVarThread: (id)_o_data
 593 {
 594     vlc_object_t *p_object;
 595     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 596     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 597
 598     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 599
 600     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 601                                     [o_data objectID] );
 602
 603     if( p_object != NULL )
 604     {
 605         var_Set( p_object, strdup([o_data name]), [o_data value] );
 606         vlc_object_release( p_object );
 607         [o_pool release];
 608         return VLC_TRUE;
 609     }
 610     [o_pool release];
 611     return VLC_EGENERIC;
 612 }
 613
 614 @end
 615
 616 @implementation VLCControls (NSMenuValidation)
 617
 618 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 619 {
 620     BOOL bEnabled = TRUE;
 621     intf_thread_t * p_intf = [NSApp getIntf];
 622
 623     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 624                                                        FIND_ANYWHERE );
 625
 626     if( p_playlist != NULL )
 627     {
 628         vlc_mutex_lock( &p_playlist->object_lock );
 629     }
 630
 631 #define p_input p_playlist->p_input
 632
 633     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 634         [[o_mi title] isEqualToString: _NS("Slower")] )
 635     {
 636         if( p_playlist != NULL && p_input != NULL )
 637         {
 638             vlc_mutex_lock( &p_input->stream.stream_lock );
 639             bEnabled = p_input->stream.b_pace_control;
 640             vlc_mutex_unlock( &p_input->stream.stream_lock );
 641         }
 642         else
 643         {
 644             bEnabled = FALSE;
 645         }
 646     }
 647     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 648     {
 649         if( p_playlist == NULL || p_input == NULL )
 650         {
 651             bEnabled = FALSE;
 652         }
 653     }
 654     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 655              [[o_mi title] isEqualToString: _NS("Next")] )
 656     {
 657         if( p_playlist == NULL )
 658         {
 659             bEnabled = FALSE;
 660         }
 661         else
 662         {
 663             bEnabled = p_playlist->i_size > 1;
 664
 665             if( p_input != NULL )
 666             {
 667                 vlc_mutex_lock( &p_input->stream.stream_lock );
 668                 bEnabled |= p_input->stream.i_area_nb > 1;
 669                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 670             }
 671         }
 672     }
 673     else if( [[o_mi title] isEqualToString: _NS("Loop")] )
 674     {
 675         int i_state = config_GetInt( p_playlist, "loop" ) ?
 676                       NSOnState : NSOffState;
 677
 678         [o_mi setState: i_state];
 679     }
 680     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 681              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 682     {
 683         if( p_playlist != NULL && p_input != NULL )
 684         {
 685             vlc_mutex_lock( &p_input->stream.stream_lock );
 686             bEnabled = p_input->stream.b_seekable;
 687             vlc_mutex_unlock( &p_input->stream.stream_lock );
 688         }
 689         else
 690         {
 691             bEnabled = FALSE;
 692         }
 693     }
 694     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 695     {
 696         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 697     }
 698     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 699                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 700                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 701                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 702                 [[o_mi title] isEqualToString: _NS("Fit To Screen")] ||
 703                 [[o_mi title] isEqualToString: _NS("Float On Top")] )
 704     {
 705         id o_window;
 706         NSArray *o_windows = [NSApp windows];
 707         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 708         bEnabled = FALSE;
 709
 710         if ( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 711         {
 712             int i_state = config_GetInt( p_playlist, "macosx-float" ) ?
 713                       NSOnState : NSOffState;
 714             [o_mi setState: i_state];
 715         }
 716
 717         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 718                                               FIND_ANYWHERE );
 719         if( p_vout != NULL )
 720         {
 721             while ((o_window = [o_enumerator nextObject]))
 722             {
 723                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 724                 {
 725                     bEnabled = TRUE;
 726                     break;
 727                 }
 728             }
 729             vlc_object_release( (vlc_object_t *)p_vout );
 730         }
 731     }
 732
 733     if( p_playlist != NULL )
 734     {
 735         vlc_mutex_unlock( &p_playlist->object_lock );
 736         vlc_object_release( p_playlist );
 737     }
 738
 739     return( bEnabled );
 740 }
 741
 742 @end
 743
 744 /*****************************************************************************
 745  * VLCMenuExt implementation
 746  *****************************************************************************
 747  * Object connected to a playlistitem which remembers the data belonging to
 748  * the variable of the autogenerated menu
 749  *****************************************************************************/
 750 @implementation VLCMenuExt
 751
 752 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 753         Value: (vlc_value_t)val ofType: (int)_i_type
 754 {
 755     self = [super init];
 756
 757     if( self != nil )
 758     {
 759         psz_name = strdup( _psz_name );
 760         i_object_id = i_id;
 761         value = val;
 762         i_type = _i_type;
 763     }
 764
 765     return( self );
 766 }
 767
 768 - (void)dealloc
 769 {
 770     free( psz_name );
 771 }
 772
 773 - (char *)name
 774 {
 775     return psz_name;
 776 }
 777
 778 - (int)objectID
 779 {
 780     return i_object_id;
 781 }
 782
 783 - (vlc_value_t)value
 784 {
 785     return value;
 786 }
 787
 788 - (int)type
 789 {
 790     return i_type;
 791 }
 792
 793 @end