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

   1 /*****************************************************************************
   2  * controls.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2003 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Christophe Massiot <massiot@via.ecp.fr>
   9  *          Derk-Jan Hartman <hartman at videolan dot org>
  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( 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( 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( 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( 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( 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( 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( 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( p_intf, _( "Random On" ) );
 174     }
 175     else
 176     {
 177         vout_OSDMessage( p_intf, _( "Random 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     if (!val.b_bool)
 198     {
 199         var_Set( p_playlist, "loop", val );
 200     }
 201     val.b_bool = !val.b_bool;
 202     var_Set( p_playlist, "repeat", val );
 203     if( val.b_bool )
 204     {
 205         vout_OSDMessage( p_intf, _( "Repeat All" ) );
 206     }
 207     else
 208     {
 209         vout_OSDMessage( p_intf, _( "Repeat Off" ) );
 210     }
 211
 212     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 213     p_intf->p_sys->b_intf_update = VLC_TRUE;
 214     vlc_object_release( p_playlist );
 215 }
 216
 217 - (IBAction)loop:(id)sender
 218 {
 219     intf_thread_t * p_intf = [NSApp getIntf];
 220     vlc_value_t val;
 221     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 222                                                        FIND_ANYWHERE );
 223     if( p_playlist == NULL )
 224     {
 225         return;
 226     }
 227
 228     var_Get( p_playlist, "loop", &val );
 229     if (!val.b_bool)
 230     {
 231         var_Set( p_playlist, "repeat", val );
 232     }
 233     val.b_bool = !val.b_bool;
 234     var_Set( p_playlist, "loop", val );
 235     if( val.b_bool )
 236     {
 237         vout_OSDMessage( p_intf, _( "Repeat One" ) );
 238     }
 239     else
 240     {
 241         vout_OSDMessage( p_intf, _( "Repeat Off" ) );
 242     }
 243
 244     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 245     p_intf->p_sys->b_intf_update = VLC_TRUE;
 246     vlc_object_release( p_playlist );
 247 }
 248
 249 - (IBAction)forward:(id)sender
 250 {
 251     intf_thread_t * p_intf = [NSApp getIntf];
 252     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 253                                                        FIND_ANYWHERE );
 254     if( p_input != NULL )
 255     {
 256         vlc_value_t time;
 257         time.i_time = 10 * 1000000;
 258         var_Set( p_input, "time-offset", time );
 259         vout_OSDMessage( p_intf, _( "Jump +10 Seconds" ) );
 260         vlc_object_release( p_input );
 261     }
 262 }
 263
 264 - (IBAction)backward:(id)sender
 265 {
 266     intf_thread_t * p_intf = [NSApp getIntf];
 267     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 268                                                        FIND_ANYWHERE );
 269     if( p_input != NULL )
 270     {
 271         vlc_value_t time;
 272         time.i_time = -10 * 1000000;
 273         var_Set( p_input, "time-offset", time );
 274         vout_OSDMessage( p_intf, _( "Jump -10 Seconds" ) );
 275         vlc_object_release( p_input );
 276     }
 277 }
 278
 279
 280 - (IBAction)volumeUp:(id)sender
 281 {
 282     intf_thread_t * p_intf = [NSApp getIntf];
 283
 284     if( p_intf->p_sys->b_mute )
 285     {
 286         [self mute: nil];
 287     }
 288
 289     aout_VolumeUp( p_intf, 1, NULL );
 290
 291     [self updateVolumeSlider];
 292 }
 293
 294 - (IBAction)volumeDown:(id)sender
 295 {
 296     intf_thread_t * p_intf = [NSApp getIntf];
 297
 298     if( p_intf->p_sys->b_mute )
 299     {
 300         [self mute: nil];
 301     }
 302
 303     aout_VolumeDown( p_intf, 1, NULL );
 304
 305     [self updateVolumeSlider];
 306 }
 307
 308 - (IBAction)mute:(id)sender
 309 {
 310     intf_thread_t * p_intf = [NSApp getIntf];
 311     audio_volume_t i_volume;
 312
 313     aout_VolumeMute( p_intf, &i_volume );
 314     p_intf->p_sys->b_mute = ( i_volume == 0 );
 315
 316     [self updateVolumeSlider];
 317 }
 318
 319 - (IBAction)volumeSliderUpdated:(id)sender
 320 {
 321     intf_thread_t * p_intf = [NSApp getIntf];
 322     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 323
 324     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 325 }
 326
 327 - (void)updateVolumeSlider
 328 {
 329     intf_thread_t * p_intf = [NSApp getIntf];
 330     audio_volume_t i_volume;
 331
 332     aout_VolumeGet( p_intf, &i_volume );
 333
 334     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 335
 336     vout_OSDMessage( p_intf, "Vol %d%%", i_volume*100/AOUT_VOLUME_MAX );
 337 }
 338
 339 - (IBAction)windowAction:(id)sender
 340 {
 341     id o_window = [NSApp keyWindow];
 342     NSString *o_title = [sender title];
 343     NSArray *o_windows = [NSApp orderedWindows];
 344     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 345     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 346                                               FIND_ANYWHERE );
 347
 348     if( p_vout != NULL )
 349     {
 350         while ((o_window = [o_enumerator nextObject]))
 351         {
 352             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 353             {
 354                 if( [o_title isEqualToString: _NS("Half Size") ] )
 355                     [o_window scaleWindowWithFactor: 0.5];
 356                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 357                     [o_window scaleWindowWithFactor: 1.0];
 358                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 359                     [o_window scaleWindowWithFactor: 2.0];
 360                 else if( [o_title isEqualToString: _NS("Float on Top") ] )
 361                     [o_window toggleFloatOnTop];
 362                 else if( [o_title isEqualToString: _NS("Fit to Screen") ] )
 363                 {
 364                     if( ![o_window isZoomed] )
 365                         [o_window performZoom:self];
 366                 }
 367                 else
 368                 {
 369                     [o_window toggleFullscreen];
 370                 }
 371                 break;
 372             }
 373         }
 374         vlc_object_release( (vlc_object_t *)p_vout );
 375     }
 376 }
 377
 378 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 379                     target:(vlc_object_t *)p_object
 380                     var:(const char *)psz_variable
 381                     selector:(SEL)pf_callback
 382 {
 383     vlc_value_t val, text;
 384     int i_type = var_Type( p_object, psz_variable );
 385
 386     switch( i_type & VLC_VAR_TYPE )
 387     {
 388     case VLC_VAR_VOID:
 389     case VLC_VAR_BOOL:
 390     case VLC_VAR_VARIABLE:
 391     case VLC_VAR_STRING:
 392     case VLC_VAR_INTEGER:
 393         break;
 394     default:
 395         /* Variable doesn't exist or isn't handled */
 396         return;
 397     }
 398
 399     /* Make sure we want to display the variable */
 400     if( i_type & VLC_VAR_HASCHOICE )
 401     {
 402         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 403         if( val.i_int == 0 ) return;
 404         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 405             return;
 406     }
 407
 408     /* Get the descriptive name of the variable */
 409     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 410     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 411                                         text.psz_string : strdup( psz_variable ) ]];
 412
 413     var_Get( p_object, psz_variable, &val );
 414     if( i_type & VLC_VAR_HASCHOICE )
 415     {
 416         NSMenu *o_menu = [o_mi submenu];
 417
 418         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 419                         var:psz_variable selector:pf_callback];
 420
 421         if( text.psz_string ) free( text.psz_string );
 422         return;
 423     }
 424
 425     VLCMenuExt *o_data;
 426     switch( i_type & VLC_VAR_TYPE )
 427     {
 428     case VLC_VAR_VOID:
 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         break;
 433
 434     case VLC_VAR_BOOL:
 435         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 436                 Value: val ofType: i_type];
 437         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 438         if( !( i_type & VLC_VAR_ISCOMMAND ) )
 439             [o_mi setState: val.b_bool ? TRUE : FALSE ];
 440         break;
 441
 442     default:
 443         if( text.psz_string ) free( text.psz_string );
 444         return;
 445     }
 446
 447     if( ( i_type & VLC_VAR_TYPE ) == VLC_VAR_STRING ) free( val.psz_string );
 448     if( text.psz_string ) free( text.psz_string );
 449 }
 450
 451
 452 - (void)setupVarMenu:(NSMenu *)o_menu
 453                     forMenuItem: (NSMenuItem *)o_parent
 454                     target:(vlc_object_t *)p_object
 455                     var:(const char *)psz_variable
 456                     selector:(SEL)pf_callback
 457 {
 458     vlc_value_t val, val_list, text_list;
 459     int i_type, i, i_nb_items;
 460
 461     /* remove previous items */
 462     i_nb_items = [o_menu numberOfItems];
 463     for( i = 0; i < i_nb_items; i++ )
 464     {
 465         [o_menu removeItemAtIndex: 0];
 466     }
 467
 468     /* Check the type of the object variable */
 469     i_type = var_Type( p_object, psz_variable );
 470
 471     /* Make sure we want to display the variable */
 472     if( i_type & VLC_VAR_HASCHOICE )
 473     {
 474         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 475         if( val.i_int == 0 ) return;
 476         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 477             return;
 478     }
 479     else
 480     {
 481         return;
 482     }
 483
 484     switch( i_type & VLC_VAR_TYPE )
 485     {
 486     case VLC_VAR_VOID:
 487     case VLC_VAR_BOOL:
 488     case VLC_VAR_VARIABLE:
 489     case VLC_VAR_STRING:
 490     case VLC_VAR_INTEGER:
 491         break;
 492     default:
 493         /* Variable doesn't exist or isn't handled */
 494         return;
 495     }
 496
 497     if( var_Get( p_object, psz_variable, &val ) < 0 )
 498     {
 499         return;
 500     }
 501
 502     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 503                     &val_list, &text_list ) < 0 )
 504     {
 505         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 506         return;
 507     }
 508
 509     /* make (un)sensitive */
 510     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 511
 512     for( i = 0; i < val_list.p_list->i_count; i++ )
 513     {
 514         vlc_value_t another_val;
 515         NSMenuItem * o_lmi;
 516         NSString *o_title = @"";
 517         VLCMenuExt *o_data;
 518
 519         switch( i_type & VLC_VAR_TYPE )
 520         {
 521         case VLC_VAR_STRING:
 522             another_val.psz_string =
 523                 strdup(val_list.p_list->p_values[i].psz_string);
 524
 525             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 526                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 527
 528             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 529             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 530                     Value: another_val ofType: i_type];
 531             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 532             [o_lmi setTarget: self];
 533
 534             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) && !( i_type & VLC_VAR_ISCOMMAND ) )
 535                 [o_lmi setState: TRUE ];
 536
 537             break;
 538
 539         case VLC_VAR_INTEGER:
 540
 541              o_title = text_list.p_list->p_values[i].psz_string ?
 542                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 543                                  [NSString stringWithFormat: @"%d",
 544                                  val_list.p_list->p_values[i].i_int];
 545
 546             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 547             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 548                     Value: val_list.p_list->p_values[i] ofType: i_type];
 549             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 550             [o_lmi setTarget: self];
 551
 552             if( val_list.p_list->p_values[i].i_int == val.i_int && !( i_type & VLC_VAR_ISCOMMAND ) )
 553                 [o_lmi setState: TRUE ];
 554             break;
 555
 556         default:
 557           break;
 558         }
 559     }
 560
 561     /* clean up everything */
 562     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 563     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 564 }
 565
 566 - (IBAction)toggleVar:(id)sender
 567 {
 568     NSMenuItem *o_mi = (NSMenuItem *)sender;
 569     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 570     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 571         toTarget: self withObject: o_data];
 572
 573     return;
 574 }
 575
 576 - (int)toggleVarThread: (id)_o_data
 577 {
 578     vlc_object_t *p_object;
 579     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 580     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 581
 582     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 583
 584     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 585                                     [o_data objectID] );
 586
 587     if( p_object != NULL )
 588     {
 589         var_Set( p_object, strdup([o_data name]), [o_data value] );
 590         vlc_object_release( p_object );
 591         [o_pool release];
 592         return VLC_TRUE;
 593     }
 594     [o_pool release];
 595     return VLC_EGENERIC;
 596 }
 597
 598 @end
 599
 600 @implementation VLCControls (NSMenuValidation)
 601
 602 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 603 {
 604     BOOL bEnabled = TRUE;
 605     vlc_value_t val;
 606     intf_thread_t * p_intf = [NSApp getIntf];
 607     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 608                                                        FIND_ANYWHERE );
 609
 610     if( p_playlist != NULL )
 611     {
 612         vlc_mutex_lock( &p_playlist->object_lock );
 613     }
 614
 615 #define p_input p_playlist->p_input
 616
 617     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 618         [[o_mi title] isEqualToString: _NS("Slower")] )
 619     {
 620         if( p_playlist != NULL && p_input != NULL )
 621         {
 622             vlc_mutex_lock( &p_input->stream.stream_lock );
 623             bEnabled = p_input->stream.b_pace_control;
 624             vlc_mutex_unlock( &p_input->stream.stream_lock );
 625         }
 626         else
 627         {
 628             bEnabled = FALSE;
 629         }
 630     }
 631     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 632     {
 633         if( p_playlist == NULL || p_input == NULL )
 634         {
 635             bEnabled = FALSE;
 636         }
 637     }
 638     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 639              [[o_mi title] isEqualToString: _NS("Next")] )
 640     {
 641         if( p_playlist == NULL )
 642         {
 643             bEnabled = FALSE;
 644         }
 645         else
 646         {
 647             bEnabled = p_playlist->i_size > 1;
 648
 649             if( p_input != NULL )
 650             {
 651                 vlc_mutex_lock( &p_input->stream.stream_lock );
 652                 bEnabled |= p_input->stream.i_area_nb > 1;
 653                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 654             }
 655         }
 656     }
 657     else if( [[o_mi title] isEqualToString: _NS("Random")] )
 658     {
 659         int i_state;
 660         var_Get( p_playlist, "random", &val );
 661         i_state = val.b_bool ? NSOnState : NSOffState;
 662         [o_mi setState: i_state];
 663     }
 664     else if( [[o_mi title] isEqualToString: _NS("Repeat One")] )
 665     {
 666         int i_state;
 667         var_Get( p_playlist, "repeat", &val );
 668         i_state = val.b_bool ? NSOnState : NSOffState;
 669         [o_mi setState: i_state];
 670     }
 671     else if( [[o_mi title] isEqualToString: _NS("Repeat All")] )
 672     {
 673         int i_state;
 674         var_Get( p_playlist, "loop", &val );
 675         i_state = val.b_bool ? NSOnState : NSOffState;
 676         [o_mi setState: i_state];
 677     }
 678     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 679              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 680     {
 681         if( p_playlist != NULL && p_input != NULL )
 682         {
 683             vlc_mutex_lock( &p_input->stream.stream_lock );
 684             bEnabled = p_input->stream.b_seekable;
 685             vlc_mutex_unlock( &p_input->stream.stream_lock );
 686         }
 687         else
 688         {
 689             bEnabled = FALSE;
 690         }
 691     }
 692     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 693     {
 694         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 695     }
 696     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 697                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 698                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 699                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 700                 [[o_mi title] isEqualToString: _NS("Fit to Screen")] ||
 701                 [[o_mi title] isEqualToString: _NS("Float on Top")] )
 702     {
 703         id o_window;
 704         NSArray *o_windows = [NSApp orderedWindows];
 705         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 706         bEnabled = FALSE;
 707
 708         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 709                                               FIND_ANYWHERE );
 710         if( p_vout != NULL )
 711         {
 712             if ( [[o_mi title] isEqualToString: _NS("Float on Top")] )
 713             {
 714                 var_Get( p_vout, "video-on-top", &val );
 715                 [o_mi setState: val.b_bool ?  NSOnState : NSOffState];
 716             }
 717
 718             while ((o_window = [o_enumerator nextObject]))
 719             {
 720                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 721                 {
 722                     bEnabled = TRUE;
 723                     break;
 724                 }
 725             }
 726             vlc_object_release( (vlc_object_t *)p_vout );
 727         }
 728     }
 729
 730     if( p_playlist != NULL )
 731     {
 732         vlc_mutex_unlock( &p_playlist->object_lock );
 733         vlc_object_release( p_playlist );
 734     }
 735
 736     return( bEnabled );
 737 }
 738
 739 @end
 740
 741 /*****************************************************************************
 742  * VLCMenuExt implementation
 743  *****************************************************************************
 744  * Object connected to a playlistitem which remembers the data belonging to
 745  * the variable of the autogenerated menu
 746  *****************************************************************************/
 747 @implementation VLCMenuExt
 748
 749 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 750         Value: (vlc_value_t)val ofType: (int)_i_type
 751 {
 752     self = [super init];
 753
 754     if( self != nil )
 755     {
 756         psz_name = strdup( _psz_name );
 757         i_object_id = i_id;
 758         value = val;
 759         i_type = _i_type;
 760     }
 761
 762     return( self );
 763 }
 764
 765 - (void)dealloc
 766 {
 767     free( psz_name );
 768 }
 769
 770 - (char *)name
 771 {
 772     return psz_name;
 773 }
 774
 775 - (int)objectID
 776 {
 777     return i_object_id;
 778 }
 779
 780 - (vlc_value_t)value
 781 {
 782     return value;
 783 }
 784
 785 - (int)type
 786 {
 787     return i_type;
 788 }
 789
 790 @end