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 1.49 2003/09/20 19:37:53 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     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  78                                                        FIND_ANYWHERE );
  79     if( p_playlist != NULL )
  80     {
  81         playlist_Stop( p_playlist );
  82         vlc_object_release( p_playlist );
  83     }
  84 }
  85
  86 - (IBAction)faster:(id)sender
  87 {
  88     intf_thread_t * p_intf = [NSApp getIntf];
  89     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  90                                                        FIND_ANYWHERE );
  91     if( p_input != NULL )
  92     {
  93         vlc_value_t val; val.b_bool = VLC_TRUE;
  94
  95         var_Set( p_input, "rate-faster", val );
  96         vlc_object_release( p_input );
  97     }
  98 }
  99
 100 - (IBAction)slower:(id)sender
 101 {
 102     intf_thread_t * p_intf = [NSApp getIntf];
 103     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 104                                                        FIND_ANYWHERE );
 105     if( p_input != NULL )
 106     {
 107         vlc_value_t val; val.b_bool = VLC_TRUE;
 108
 109         var_Set( p_input, "rate-slower", val );
 110         vlc_object_release( p_input );
 111     }
 112 }
 113
 114 - (IBAction)prev:(id)sender
 115 {
 116     vlc_value_t val;
 117     intf_thread_t * p_intf = [NSApp getIntf];
 118
 119     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 120                                                        FIND_ANYWHERE );
 121     if( p_playlist == NULL )
 122     {
 123         return;
 124     }
 125
 126     vlc_mutex_lock( &p_playlist->object_lock );
 127
 128     if( p_playlist->p_input == NULL )
 129     {
 130         vlc_mutex_unlock( &p_playlist->object_lock );
 131         vlc_object_release( p_playlist );
 132         return;
 133     }
 134
 135     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 136     val.b_bool = VLC_TRUE;
 137
 138 #define p_area p_playlist->p_input->stream.p_selected_area
 139     if( p_area->i_part > 0 && p_area->i_part_nb > 1)
 140     {
 141         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 142         var_Set( p_playlist->p_input, "prev-chapter", val );
 143         vlc_mutex_unlock( &p_playlist->object_lock );
 144     }
 145     else if( p_area->i_id > 1 )
 146     {
 147         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 148         var_Set( p_playlist->p_input, "prev-title", val );
 149         vlc_mutex_unlock( &p_playlist->object_lock );
 150     }
 151     else
 152     {
 153         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 154         vlc_mutex_unlock( &p_playlist->object_lock );
 155         playlist_Prev( p_playlist );
 156     }
 157 #undef p_area
 158
 159     vlc_object_release( p_playlist );
 160 }
 161
 162 - (IBAction)next:(id)sender
 163 {
 164     vlc_value_t val;
 165     intf_thread_t * p_intf = [NSApp getIntf];
 166
 167     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 168                                                        FIND_ANYWHERE );
 169     if( p_playlist == NULL )
 170     {
 171         return;
 172     }
 173
 174     vlc_mutex_lock( &p_playlist->object_lock );
 175
 176     if( p_playlist->p_input == NULL )
 177     {
 178         vlc_mutex_unlock( &p_playlist->object_lock );
 179         vlc_object_release( p_playlist );
 180         return;
 181     }
 182
 183     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 184     val.b_bool = VLC_TRUE;
 185
 186 #define p_area p_playlist->p_input->stream.p_selected_area
 187     if( p_area->i_part < p_area->i_part_nb - 1 && p_area->i_part_nb > 1 )
 188     {
 189         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 190         var_Set( p_playlist->p_input, "next-chapter", val );
 191         vlc_mutex_unlock( &p_playlist->object_lock );
 192     }
 193     else if( p_area->i_id < p_playlist->p_input->stream.i_area_nb && p_playlist->p_input->stream.i_area_nb > 1 )
 194     {
 195         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 196         var_Set( p_playlist->p_input, "next-title", val );
 197         vlc_mutex_unlock( &p_playlist->object_lock );
 198     }
 199     else
 200     {
 201         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 202         vlc_mutex_unlock( &p_playlist->object_lock );
 203         playlist_Next( p_playlist );
 204     }
 205 #undef p_area
 206
 207     vlc_object_release( p_playlist );
 208 }
 209
 210 - (IBAction)random:(id)sender
 211 {
 212     intf_thread_t * p_intf = [NSApp getIntf];
 213     vlc_value_t val;
 214     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 215                                                        FIND_ANYWHERE );
 216     if( p_playlist == NULL )
 217     {
 218         return;
 219     }
 220
 221     var_Get( p_playlist, "random", &val );
 222     val.b_bool = !val.b_bool;
 223     var_Set( p_playlist, "random", val );
 224
 225     vlc_object_release( p_playlist );
 226 }
 227
 228 - (IBAction)repeat:(id)sender
 229 {
 230     intf_thread_t * p_intf = [NSApp getIntf];
 231     vlc_value_t val;
 232     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 233                                                        FIND_ANYWHERE );
 234     if( p_playlist == NULL )
 235     {
 236         return;
 237     }
 238
 239     var_Get( p_playlist, "repeat", &val );
 240     val.b_bool = !val.b_bool;
 241     var_Set( p_playlist, "repeat", val );
 242
 243     vlc_object_release( p_playlist );
 244 }
 245
 246 - (IBAction)loop:(id)sender
 247 {
 248     intf_thread_t * p_intf = [NSApp getIntf];
 249     vlc_value_t val;
 250     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 251                                                        FIND_ANYWHERE );
 252     if( p_playlist == NULL )
 253     {
 254         return;
 255     }
 256
 257     var_Get( p_playlist, "loop", &val );
 258     val.b_bool = !val.b_bool;
 259     var_Set( p_playlist, "loop", val );
 260
 261     vlc_object_release( p_playlist );
 262 }
 263
 264 - (IBAction)forward:(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 = 5 * 1000000;
 273         var_Set( p_input, "time-offset", time );
 274         vlc_object_release( p_input );
 275     }
 276 }
 277
 278 - (IBAction)backward:(id)sender
 279 {
 280     intf_thread_t * p_intf = [NSApp getIntf];
 281     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 282                                                        FIND_ANYWHERE );
 283     if( p_input != NULL )
 284     {
 285         vlc_value_t time;
 286         time.i_time = -5 * 1000000;
 287         var_Set( p_input, "time-offset", time );
 288         vlc_object_release( p_input );
 289     }
 290 }
 291
 292 - (IBAction)volumeUp:(id)sender
 293 {
 294     intf_thread_t * p_intf = [NSApp getIntf];
 295
 296     if( p_intf->p_sys->b_mute )
 297     {
 298         [self mute: nil];
 299     }
 300
 301     aout_VolumeUp( p_intf, 1, NULL );
 302
 303     [self updateVolumeSlider];
 304 }
 305
 306 - (IBAction)volumeDown:(id)sender
 307 {
 308     intf_thread_t * p_intf = [NSApp getIntf];
 309
 310     if( p_intf->p_sys->b_mute )
 311     {
 312         [self mute: nil];
 313     }
 314
 315     aout_VolumeDown( p_intf, 1, NULL );
 316
 317     [self updateVolumeSlider];
 318 }
 319
 320 - (IBAction)mute:(id)sender
 321 {
 322     intf_thread_t * p_intf = [NSApp getIntf];
 323     audio_volume_t i_volume;
 324
 325     aout_VolumeMute( p_intf, &i_volume );
 326     p_intf->p_sys->b_mute = ( i_volume == 0 );
 327
 328     [self updateVolumeSlider];
 329 }
 330
 331 - (IBAction)volumeSliderUpdated:(id)sender
 332 {
 333     intf_thread_t * p_intf = [NSApp getIntf];
 334     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 335
 336     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 337 }
 338
 339 - (void)updateVolumeSlider
 340 {
 341     intf_thread_t * p_intf = [NSApp getIntf];
 342     audio_volume_t i_volume;
 343
 344     aout_VolumeGet( p_intf, &i_volume );
 345
 346     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 347 }
 348
 349 - (IBAction)windowAction:(id)sender
 350 {
 351     id o_window = [NSApp keyWindow];
 352     NSString *o_title = [sender title];
 353     NSArray *o_windows = [NSApp windows];
 354     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 355     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 356                                               FIND_ANYWHERE );
 357
 358     if( p_vout != NULL )
 359     {
 360         while ((o_window = [o_enumerator nextObject]))
 361         {
 362             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 363             {
 364                 if( [o_title isEqualToString: _NS("Fullscreen") ] )
 365                     [o_window toggleFullscreen];
 366                 else if( [o_title isEqualToString: _NS("Half Size") ] )
 367                     [o_window scaleWindowWithFactor: 0.5];
 368                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 369                     [o_window scaleWindowWithFactor: 1.0];
 370                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 371                     [o_window scaleWindowWithFactor: 2.0];
 372                 else if( [o_title isEqualToString: _NS("Float On Top") ] )
 373                     [o_window toggleFloatOnTop];
 374                 else if( [o_title isEqualToString: _NS("Fit To Screen") ] )
 375                 {
 376                     if( ![o_window isZoomed] )
 377                         [o_window performZoom:self];
 378                 }
 379             }
 380         }
 381         vlc_object_release( (vlc_object_t *)p_vout );
 382     }
 383 }
 384
 385 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 386                     target:(vlc_object_t *)p_object
 387                     var:(const char *)psz_variable
 388                     selector:(SEL)pf_callback
 389 {
 390     vlc_value_t val, text;
 391     int i_type = var_Type( p_object, psz_variable );
 392
 393     switch( i_type & VLC_VAR_TYPE )
 394     {
 395     case VLC_VAR_VOID:
 396     case VLC_VAR_BOOL:
 397     case VLC_VAR_VARIABLE:
 398     case VLC_VAR_STRING:
 399     case VLC_VAR_INTEGER:
 400         break;
 401     default:
 402         /* Variable doesn't exist or isn't handled */
 403         return;
 404     }
 405
 406     /* Make sure we want to display the variable */
 407     if( i_type & VLC_VAR_HASCHOICE )
 408     {
 409         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 410         if( val.i_int == 0 ) return;
 411         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 412             return;
 413     }
 414
 415     /* Get the descriptive name of the variable */
 416     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 417     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 418                                         text.psz_string : strdup( psz_variable ) ]];
 419
 420     var_Get( p_object, psz_variable, &val );
 421     if( i_type & VLC_VAR_HASCHOICE )
 422     {
 423         NSMenu *o_menu = [o_mi submenu];
 424
 425         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 426                         var:psz_variable selector:pf_callback];
 427
 428         if( text.psz_string ) free( text.psz_string );
 429         return;
 430     }
 431
 432     VLCMenuExt *o_data;
 433     switch( i_type & VLC_VAR_TYPE )
 434     {
 435     case VLC_VAR_VOID:
 436         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 437                 Value: val ofType: i_type];
 438         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 439         break;
 440
 441     case VLC_VAR_BOOL:
 442         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 443                 Value: val ofType: i_type];
 444         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 445         [o_mi setState: val.b_bool ? TRUE : FALSE ];
 446         break;
 447
 448     default:
 449         if( text.psz_string ) free( text.psz_string );
 450         return;
 451     }
 452
 453     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 454     if( text.psz_string ) free( text.psz_string );
 455 }
 456
 457
 458 - (void)setupVarMenu:(NSMenu *)o_menu
 459                     forMenuItem: (NSMenuItem *)o_parent
 460                     target:(vlc_object_t *)p_object
 461                     var:(const char *)psz_variable
 462                     selector:(SEL)pf_callback
 463 {
 464     vlc_value_t val, val_list, text_list;
 465     int i_type, i, i_nb_items;
 466
 467     /* remove previous items */
 468     i_nb_items = [o_menu numberOfItems];
 469     for( i = 0; i < i_nb_items; i++ )
 470     {
 471         [o_menu removeItemAtIndex: 0];
 472     }
 473
 474     /* Check the type of the object variable */
 475     i_type = var_Type( p_object, psz_variable );
 476
 477     /* Make sure we want to display the variable */
 478     if( i_type & VLC_VAR_HASCHOICE )
 479     {
 480         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 481         if( val.i_int == 0 ) return;
 482         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 483             return;
 484     }
 485     else
 486     {
 487         return;
 488     }
 489
 490     switch( i_type & VLC_VAR_TYPE )
 491     {
 492     case VLC_VAR_VOID:
 493     case VLC_VAR_BOOL:
 494     case VLC_VAR_VARIABLE:
 495     case VLC_VAR_STRING:
 496     case VLC_VAR_INTEGER:
 497         break;
 498     default:
 499         /* Variable doesn't exist or isn't handled */
 500         return;
 501     }
 502
 503     if( var_Get( p_object, psz_variable, &val ) < 0 )
 504     {
 505         return;
 506     }
 507
 508     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 509                     &val_list, &text_list ) < 0 )
 510     {
 511         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 512         return;
 513     }
 514
 515     /* make (un)sensitive */
 516     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 517
 518     for( i = 0; i < val_list.p_list->i_count; i++ )
 519     {
 520         vlc_value_t another_val;
 521         NSMenuItem * o_lmi;
 522         NSString *o_title = @"";
 523         VLCMenuExt *o_data;
 524
 525         switch( i_type & VLC_VAR_TYPE )
 526         {
 527         case VLC_VAR_VARIABLE:
 528
 529             /* This is causing crashes for the moment.
 530             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 531                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 532
 533             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 534                 Value: val ofType: i_type];
 535             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 536
 537             // Create a submenu
 538             NSMenu *o_menu = [o_lmi submenu];
 539
 540             [self setupVarMenu: o_menu forMenuItem: o_lmi target:p_object
 541                             var:psz_variable selector:pf_callback];
 542 */
 543             return;
 544
 545         case VLC_VAR_STRING:
 546             another_val.psz_string =
 547                 strdup(val_list.p_list->p_values[i].psz_string);
 548
 549             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 550                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 551
 552             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 553             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 554                     Value: another_val ofType: i_type];
 555             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 556             [o_lmi setTarget: self];
 557
 558             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) )
 559                 [o_lmi setState: TRUE ];
 560
 561             break;
 562
 563         case VLC_VAR_INTEGER:
 564
 565              o_title = text_list.p_list->p_values[i].psz_string ?
 566                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 567                                  [NSString stringWithFormat: @"%d",
 568                                  val_list.p_list->p_values[i].i_int];
 569
 570             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 571             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 572                     Value: val_list.p_list->p_values[i] ofType: i_type];
 573             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 574             [o_lmi setTarget: self];
 575
 576             if( val_list.p_list->p_values[i].i_int == val.i_int )
 577                 [o_lmi setState: TRUE ];
 578             break;
 579
 580         default:
 581           break;
 582         }
 583     }
 584
 585     /* clean up everything */
 586     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 587     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 588 }
 589
 590 - (IBAction)toggleVar:(id)sender
 591 {
 592     NSMenuItem *o_mi = (NSMenuItem *)sender;
 593     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 594     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 595         toTarget: self withObject: o_data];
 596
 597     return;
 598 }
 599
 600 - (int)toggleVarThread: (id)_o_data
 601 {
 602     vlc_object_t *p_object;
 603     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 604     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 605
 606     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 607
 608     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 609                                     [o_data objectID] );
 610
 611     if( p_object != NULL )
 612     {
 613         var_Set( p_object, strdup([o_data name]), [o_data value] );
 614         vlc_object_release( p_object );
 615         [o_pool release];
 616         return VLC_TRUE;
 617     }
 618     [o_pool release];
 619     return VLC_EGENERIC;
 620 }
 621
 622 @end
 623
 624 @implementation VLCControls (NSMenuValidation)
 625
 626 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 627 {
 628     BOOL bEnabled = TRUE;
 629     vlc_value_t val;
 630     intf_thread_t * p_intf = [NSApp getIntf];
 631     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 632                                                        FIND_ANYWHERE );
 633
 634     if( p_playlist != NULL )
 635     {
 636         vlc_mutex_lock( &p_playlist->object_lock );
 637     }
 638
 639 #define p_input p_playlist->p_input
 640
 641     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 642         [[o_mi title] isEqualToString: _NS("Slower")] )
 643     {
 644         if( p_playlist != NULL && p_input != NULL )
 645         {
 646             vlc_mutex_lock( &p_input->stream.stream_lock );
 647             bEnabled = p_input->stream.b_pace_control;
 648             vlc_mutex_unlock( &p_input->stream.stream_lock );
 649         }
 650         else
 651         {
 652             bEnabled = FALSE;
 653         }
 654     }
 655     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 656     {
 657         if( p_playlist == NULL || p_input == NULL )
 658         {
 659             bEnabled = FALSE;
 660         }
 661     }
 662     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 663              [[o_mi title] isEqualToString: _NS("Next")] )
 664     {
 665         if( p_playlist == NULL )
 666         {
 667             bEnabled = FALSE;
 668         }
 669         else
 670         {
 671             bEnabled = p_playlist->i_size > 1;
 672
 673             if( p_input != NULL )
 674             {
 675                 vlc_mutex_lock( &p_input->stream.stream_lock );
 676                 bEnabled |= p_input->stream.i_area_nb > 1;
 677                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 678             }
 679         }
 680     }
 681     else if( [[o_mi title] isEqualToString: _NS("Shuffle")] )
 682     {
 683         int i_state;
 684         var_Get( p_playlist, "random", &val );
 685         i_state = val.b_bool ? NSOnState : NSOffState;
 686         [o_mi setState: i_state];
 687     }
 688     else if( [[o_mi title] isEqualToString: _NS("Repeat Item")] )
 689     {
 690         int i_state;
 691         var_Get( p_playlist, "repeat", &val );
 692         i_state = val.b_bool ? NSOnState : NSOffState;
 693         [o_mi setState: i_state];
 694     }
 695     else if( [[o_mi title] isEqualToString: _NS("Repeat Playlist")] )
 696     {
 697         int i_state;
 698         var_Get( p_playlist, "loop", &val );
 699         i_state = val.b_bool ? NSOnState : NSOffState;
 700         [o_mi setState: i_state];
 701     }
 702     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 703              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 704     {
 705         if( p_playlist != NULL && p_input != NULL )
 706         {
 707             vlc_mutex_lock( &p_input->stream.stream_lock );
 708             bEnabled = p_input->stream.b_seekable;
 709             vlc_mutex_unlock( &p_input->stream.stream_lock );
 710         }
 711         else
 712         {
 713             bEnabled = FALSE;
 714         }
 715     }
 716     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 717     {
 718         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 719     }
 720     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 721                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 722                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 723                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 724                 [[o_mi title] isEqualToString: _NS("Fit To Screen")] ||
 725                 [[o_mi title] isEqualToString: _NS("Float On Top")] )
 726     {
 727         id o_window;
 728         NSArray *o_windows = [NSApp windows];
 729         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 730         bEnabled = FALSE;
 731
 732         if ( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 733         {
 734             int i_state = config_GetInt( p_playlist, "macosx-float" ) ?
 735                       NSOnState : NSOffState;
 736             [o_mi setState: i_state];
 737         }
 738
 739         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 740                                               FIND_ANYWHERE );
 741         if( p_vout != NULL )
 742         {
 743             while ((o_window = [o_enumerator nextObject]))
 744             {
 745                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 746                 {
 747                     bEnabled = TRUE;
 748                     break;
 749                 }
 750             }
 751             vlc_object_release( (vlc_object_t *)p_vout );
 752         }
 753     }
 754
 755     if( p_playlist != NULL )
 756     {
 757         vlc_mutex_unlock( &p_playlist->object_lock );
 758         vlc_object_release( p_playlist );
 759     }
 760
 761     return( bEnabled );
 762 }
 763
 764 @end
 765
 766 /*****************************************************************************
 767  * VLCMenuExt implementation
 768  *****************************************************************************
 769  * Object connected to a playlistitem which remembers the data belonging to
 770  * the variable of the autogenerated menu
 771  *****************************************************************************/
 772 @implementation VLCMenuExt
 773
 774 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 775         Value: (vlc_value_t)val ofType: (int)_i_type
 776 {
 777     self = [super init];
 778
 779     if( self != nil )
 780     {
 781         psz_name = strdup( _psz_name );
 782         i_object_id = i_id;
 783         value = val;
 784         i_type = _i_type;
 785     }
 786
 787     return( self );
 788 }
 789
 790 - (void)dealloc
 791 {
 792     free( psz_name );
 793 }
 794
 795 - (char *)name
 796 {
 797     return psz_name;
 798 }
 799
 800 - (int)objectID
 801 {
 802     return i_object_id;
 803 }
 804
 805 - (vlc_value_t)value
 806 {
 807     return value;
 808 }
 809
 810 - (int)type
 811 {
 812     return i_type;
 813 }
 814
 815 @end