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: controls.m,v 1.60 2004/01/25 17:01:57 murray Exp $
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Christophe Massiot <massiot@via.ecp.fr>
   9  *          Derk-Jan Hartman <thedj@users.sourceforge.net>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include <stdlib.h>                                      /* malloc(), free() */
  30 #include <sys/param.h>                                    /* for MAXPATHLEN */
  31 #include <string.h>
  32
  33 #include "intf.h"
  34 #include "vout.h"
  35 #include "open.h"
  36 #include "controls.h"
  37 #include <osd.h>
  38
  39 /*****************************************************************************
  40  * VLCControls implementation
  41  *****************************************************************************/
  42 @implementation VLCControls
  43
  44 - (IBAction)play:(id)sender
  45 {
  46     vlc_value_t val;
  47     playlist_t * p_playlist;
  48     intf_thread_t * p_intf = [NSApp getIntf];
  49     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  50                                                        FIND_ANYWHERE );
  51
  52     val.i_int = PLAYING_S;
  53     if( p_input )
  54     {
  55         var_Get( p_input, "state", &val );
  56     }
  57     if( p_input && val.i_int != PAUSE_S )
  58     {
  59         vout_OSDMessage( VLC_OBJECT(p_intf), _( "Pause" ) );
  60         val.i_int = PAUSE_S;
  61         var_Set( p_input, "state", val );
  62     }
  63     else
  64     {
  65         p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  66                                         FIND_ANYWHERE );
  67         if( p_playlist )
  68         {
  69             vlc_mutex_lock( &p_playlist->object_lock );
  70             if( p_playlist->i_size )
  71             {
  72                 vlc_mutex_unlock( &p_playlist->object_lock );
  73                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Play" ) );
  74                 playlist_Play( p_playlist );
  75                 vlc_object_release( p_playlist );
  76             }
  77             else
  78             {
  79                 vlc_mutex_unlock( &p_playlist->object_lock );
  80                 vlc_object_release( p_playlist );
  81                 [o_open openFileGeneric: nil];
  82             }
  83         }
  84     }
  85     if( p_input ) vlc_object_release( p_input );
  86 }
  87
  88 - (IBAction)stop:(id)sender
  89 {
  90     intf_thread_t * p_intf = [NSApp getIntf];
  91     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  92                                                        FIND_ANYWHERE );
  93     if( p_playlist != NULL )
  94     {
  95         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Stop" ) );
  96         playlist_Stop( p_playlist );
  97         vlc_object_release( p_playlist );
  98     }
  99 }
 100
 101 - (IBAction)faster:(id)sender
 102 {
 103     intf_thread_t * p_intf = [NSApp getIntf];
 104     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 105                                                        FIND_ANYWHERE );
 106     if( p_input != NULL )
 107     {
 108         vlc_value_t val; val.b_bool = VLC_TRUE;
 109
 110         var_Set( p_input, "rate-faster", val );
 111         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Faster" ) );
 112         vlc_object_release( p_input );
 113     }
 114 }
 115
 116 - (IBAction)slower:(id)sender
 117 {
 118     intf_thread_t * p_intf = [NSApp getIntf];
 119     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 120                                                        FIND_ANYWHERE );
 121     if( p_input != NULL )
 122     {
 123         vlc_value_t val; val.b_bool = VLC_TRUE;
 124
 125         var_Set( p_input, "rate-slower", val );
 126         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Slower" ) );
 127         vlc_object_release( p_input );
 128     }
 129 }
 130
 131 - (IBAction)prev:(id)sender
 132 {
 133     intf_thread_t * p_intf = [NSApp getIntf];
 134     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 135                                                        FIND_ANYWHERE );
 136     if( p_playlist )
 137     {
 138         playlist_Prev( p_playlist );
 139         vlc_object_release( p_playlist );
 140         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Previous" ) );
 141     }
 142 }
 143
 144 - (IBAction)next:(id)sender
 145 {
 146     intf_thread_t * p_intf = [NSApp getIntf];
 147     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 148                                                        FIND_ANYWHERE );
 149     if( p_playlist )
 150     {
 151         playlist_Next( p_playlist );
 152         vlc_object_release( p_playlist );
 153         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Next" ) );
 154     }
 155 }
 156
 157 - (IBAction)random:(id)sender
 158 {
 159     intf_thread_t * p_intf = [NSApp getIntf];
 160     vlc_value_t val;
 161     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 162                                                        FIND_ANYWHERE );
 163     if( p_playlist == NULL )
 164     {
 165         return;
 166     }
 167
 168     var_Get( p_playlist, "random", &val );
 169     val.b_bool = !val.b_bool;
 170     var_Set( p_playlist, "random", val );
 171     if( val.b_bool )
 172     {
 173         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Random On" ) );
 174     }
 175     else
 176     {
 177         vout_OSDMessage( (vlc_object_t *)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     val.b_bool = !val.b_bool;
 198     var_Set( p_playlist, "repeat", val );
 199     if( val.b_bool )
 200     {
 201         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Repeat All" ) );
 202     }
 203     else
 204     {
 205         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Repeat Off" ) );
 206     }
 207
 208     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 209     p_intf->p_sys->b_intf_update = VLC_TRUE;
 210     vlc_object_release( p_playlist );
 211 }
 212
 213 - (IBAction)loop:(id)sender
 214 {
 215     intf_thread_t * p_intf = [NSApp getIntf];
 216     vlc_value_t val;
 217     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 218                                                        FIND_ANYWHERE );
 219     if( p_playlist == NULL )
 220     {
 221         return;
 222     }
 223
 224     var_Get( p_playlist, "loop", &val );
 225     val.b_bool = !val.b_bool;
 226     var_Set( p_playlist, "loop", val );
 227     if( val.b_bool )
 228     {
 229         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Repeat One" ) );
 230     }
 231     else
 232     {
 233         vout_OSDMessage( (vlc_object_t *)p_intf, _( "Repeat Off" ) );
 234     }
 235
 236     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 237     p_intf->p_sys->b_intf_update = VLC_TRUE;
 238     vlc_object_release( p_playlist );
 239 }
 240
 241 - (IBAction)forward:(id)sender
 242 {
 243     intf_thread_t * p_intf = [NSApp getIntf];
 244     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 245                                                        FIND_ANYWHERE );
 246     if( p_input != NULL )
 247     {
 248         vlc_value_t time;
 249         time.i_time = 10 * 1000000;
 250         var_Set( p_input, "time-offset", time );
 251         vlc_object_release( p_input );
 252     }
 253 }
 254
 255 - (IBAction)backward:(id)sender
 256 {
 257     intf_thread_t * p_intf = [NSApp getIntf];
 258     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 259                                                        FIND_ANYWHERE );
 260     if( p_input != NULL )
 261     {
 262         vlc_value_t time;
 263         time.i_time = -10 * 1000000;
 264         var_Set( p_input, "time-offset", time );
 265         vlc_object_release( p_input );
 266     }
 267 }
 268
 269 - (IBAction)volumeUp:(id)sender
 270 {
 271     intf_thread_t * p_intf = [NSApp getIntf];
 272
 273     if( p_intf->p_sys->b_mute )
 274     {
 275         [self mute: nil];
 276     }
 277
 278     aout_VolumeUp( p_intf, 1, NULL );
 279
 280     [self updateVolumeSlider];
 281 }
 282
 283 - (IBAction)volumeDown:(id)sender
 284 {
 285     intf_thread_t * p_intf = [NSApp getIntf];
 286
 287     if( p_intf->p_sys->b_mute )
 288     {
 289         [self mute: nil];
 290     }
 291
 292     aout_VolumeDown( p_intf, 1, NULL );
 293
 294     [self updateVolumeSlider];
 295 }
 296
 297 - (IBAction)mute:(id)sender
 298 {
 299     intf_thread_t * p_intf = [NSApp getIntf];
 300     audio_volume_t i_volume;
 301
 302     aout_VolumeMute( p_intf, &i_volume );
 303     p_intf->p_sys->b_mute = ( i_volume == 0 );
 304
 305     [self updateVolumeSlider];
 306 }
 307
 308 - (IBAction)volumeSliderUpdated:(id)sender
 309 {
 310     intf_thread_t * p_intf = [NSApp getIntf];
 311     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 312
 313     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 314 }
 315
 316 - (void)updateVolumeSlider
 317 {
 318     intf_thread_t * p_intf = [NSApp getIntf];
 319     audio_volume_t i_volume;
 320     char string[9];
 321
 322     aout_VolumeGet( p_intf, &i_volume );
 323
 324     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 325
 326     sprintf( string, "Vol %d%%", i_volume*100/AOUT_VOLUME_MAX );
 327     vout_OSDMessage( (vlc_object_t *)p_intf, string );
 328 }
 329
 330 - (IBAction)windowAction:(id)sender
 331 {
 332     id o_window = [NSApp keyWindow];
 333     NSString *o_title = [sender title];
 334     NSArray *o_windows = [NSApp orderedWindows];
 335     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 336     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 337                                               FIND_ANYWHERE );
 338
 339     if( p_vout != NULL )
 340     {
 341         while ((o_window = [o_enumerator nextObject]))
 342         {
 343             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 344             {
 345                 if( [o_title isEqualToString: _NS("Half Size") ] )
 346                     [o_window scaleWindowWithFactor: 0.5];
 347                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 348                     [o_window scaleWindowWithFactor: 1.0];
 349                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 350                     [o_window scaleWindowWithFactor: 2.0];
 351                 else if( [o_title isEqualToString: _NS("Float on Top") ] )
 352                     [o_window toggleFloatOnTop];
 353                 else if( [o_title isEqualToString: _NS("Fit to Screen") ] )
 354                 {
 355                     if( ![o_window isZoomed] )
 356                         [o_window performZoom:self];
 357                 }
 358                 else
 359                 {
 360                     [o_window toggleFullscreen];
 361                 }
 362                 break;
 363             }
 364         }
 365         vlc_object_release( (vlc_object_t *)p_vout );
 366     }
 367 }
 368
 369 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 370                     target:(vlc_object_t *)p_object
 371                     var:(const char *)psz_variable
 372                     selector:(SEL)pf_callback
 373 {
 374     vlc_value_t val, text;
 375     int i_type = var_Type( p_object, psz_variable );
 376
 377     switch( i_type & VLC_VAR_TYPE )
 378     {
 379     case VLC_VAR_VOID:
 380     case VLC_VAR_BOOL:
 381     case VLC_VAR_VARIABLE:
 382     case VLC_VAR_STRING:
 383     case VLC_VAR_INTEGER:
 384         break;
 385     default:
 386         /* Variable doesn't exist or isn't handled */
 387         return;
 388     }
 389
 390     /* Make sure we want to display the variable */
 391     if( i_type & VLC_VAR_HASCHOICE )
 392     {
 393         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 394         if( val.i_int == 0 ) return;
 395         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 396             return;
 397     }
 398
 399     /* Get the descriptive name of the variable */
 400     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 401     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 402                                         text.psz_string : strdup( psz_variable ) ]];
 403
 404     var_Get( p_object, psz_variable, &val );
 405     if( i_type & VLC_VAR_HASCHOICE )
 406     {
 407         NSMenu *o_menu = [o_mi submenu];
 408
 409         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 410                         var:psz_variable selector:pf_callback];
 411
 412         if( text.psz_string ) free( text.psz_string );
 413         return;
 414     }
 415
 416     VLCMenuExt *o_data;
 417     switch( i_type & VLC_VAR_TYPE )
 418     {
 419     case VLC_VAR_VOID:
 420         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 421                 Value: val ofType: i_type];
 422         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 423         break;
 424
 425     case VLC_VAR_BOOL:
 426         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 427                 Value: val ofType: i_type];
 428         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 429         [o_mi setState: val.b_bool ? TRUE : FALSE ];
 430         break;
 431
 432     default:
 433         if( text.psz_string ) free( text.psz_string );
 434         return;
 435     }
 436
 437     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 438     if( text.psz_string ) free( text.psz_string );
 439 }
 440
 441
 442 - (void)setupVarMenu:(NSMenu *)o_menu
 443                     forMenuItem: (NSMenuItem *)o_parent
 444                     target:(vlc_object_t *)p_object
 445                     var:(const char *)psz_variable
 446                     selector:(SEL)pf_callback
 447 {
 448     vlc_value_t val, val_list, text_list;
 449     int i_type, i, i_nb_items;
 450
 451     /* remove previous items */
 452     i_nb_items = [o_menu numberOfItems];
 453     for( i = 0; i < i_nb_items; i++ )
 454     {
 455         [o_menu removeItemAtIndex: 0];
 456     }
 457
 458     /* Check the type of the object variable */
 459     i_type = var_Type( p_object, psz_variable );
 460
 461     /* Make sure we want to display the variable */
 462     if( i_type & VLC_VAR_HASCHOICE )
 463     {
 464         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 465         if( val.i_int == 0 ) return;
 466         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 467             return;
 468     }
 469     else
 470     {
 471         return;
 472     }
 473
 474     switch( i_type & VLC_VAR_TYPE )
 475     {
 476     case VLC_VAR_VOID:
 477     case VLC_VAR_BOOL:
 478     case VLC_VAR_VARIABLE:
 479     case VLC_VAR_STRING:
 480     case VLC_VAR_INTEGER:
 481         break;
 482     default:
 483         /* Variable doesn't exist or isn't handled */
 484         return;
 485     }
 486
 487     if( var_Get( p_object, psz_variable, &val ) < 0 )
 488     {
 489         return;
 490     }
 491
 492     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 493                     &val_list, &text_list ) < 0 )
 494     {
 495         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 496         return;
 497     }
 498
 499     /* make (un)sensitive */
 500     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 501
 502     for( i = 0; i < val_list.p_list->i_count; i++ )
 503     {
 504         vlc_value_t another_val;
 505         NSMenuItem * o_lmi;
 506         NSString *o_title = @"";
 507         VLCMenuExt *o_data;
 508
 509         switch( i_type & VLC_VAR_TYPE )
 510         {
 511         case VLC_VAR_VARIABLE:
 512
 513             /* This is causing crashes for the moment.
 514             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 515                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 516
 517             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 518                 Value: val ofType: i_type];
 519             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 520
 521             // Create a submenu
 522             NSMenu *o_menu = [o_lmi submenu];
 523
 524             [self setupVarMenu: o_menu forMenuItem: o_lmi target:p_object
 525                             var:psz_variable selector:pf_callback];
 526 */
 527             return;
 528
 529         case VLC_VAR_STRING:
 530             another_val.psz_string =
 531                 strdup(val_list.p_list->p_values[i].psz_string);
 532
 533             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 534                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 535
 536             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 537             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 538                     Value: another_val ofType: i_type];
 539             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 540             [o_lmi setTarget: self];
 541
 542             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) )
 543                 [o_lmi setState: TRUE ];
 544
 545             break;
 546
 547         case VLC_VAR_INTEGER:
 548
 549              o_title = text_list.p_list->p_values[i].psz_string ?
 550                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 551                                  [NSString stringWithFormat: @"%d",
 552                                  val_list.p_list->p_values[i].i_int];
 553
 554             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 555             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 556                     Value: val_list.p_list->p_values[i] ofType: i_type];
 557             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 558             [o_lmi setTarget: self];
 559
 560             if( val_list.p_list->p_values[i].i_int == val.i_int )
 561                 [o_lmi setState: TRUE ];
 562             break;
 563
 564         default:
 565           break;
 566         }
 567     }
 568
 569     /* clean up everything */
 570     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 571     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 572 }
 573
 574 - (IBAction)toggleVar:(id)sender
 575 {
 576     NSMenuItem *o_mi = (NSMenuItem *)sender;
 577     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 578     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 579         toTarget: self withObject: o_data];
 580
 581     return;
 582 }
 583
 584 - (int)toggleVarThread: (id)_o_data
 585 {
 586     vlc_object_t *p_object;
 587     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 588     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 589
 590     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 591
 592     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 593                                     [o_data objectID] );
 594
 595     if( p_object != NULL )
 596     {
 597         var_Set( p_object, strdup([o_data name]), [o_data value] );
 598         vlc_object_release( p_object );
 599         [o_pool release];
 600         return VLC_TRUE;
 601     }
 602     [o_pool release];
 603     return VLC_EGENERIC;
 604 }
 605
 606 @end
 607
 608 @implementation VLCControls (NSMenuValidation)
 609
 610 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 611 {
 612     BOOL bEnabled = TRUE;
 613     vlc_value_t val;
 614     intf_thread_t * p_intf = [NSApp getIntf];
 615     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 616                                                        FIND_ANYWHERE );
 617
 618     if( p_playlist != NULL )
 619     {
 620         vlc_mutex_lock( &p_playlist->object_lock );
 621     }
 622
 623 #define p_input p_playlist->p_input
 624
 625     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 626         [[o_mi title] isEqualToString: _NS("Slower")] )
 627     {
 628         if( p_playlist != NULL && p_input != NULL )
 629         {
 630             vlc_mutex_lock( &p_input->stream.stream_lock );
 631             bEnabled = p_input->stream.b_pace_control;
 632             vlc_mutex_unlock( &p_input->stream.stream_lock );
 633         }
 634         else
 635         {
 636             bEnabled = FALSE;
 637         }
 638     }
 639     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 640     {
 641         if( p_playlist == NULL || p_input == NULL )
 642         {
 643             bEnabled = FALSE;
 644         }
 645     }
 646     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 647              [[o_mi title] isEqualToString: _NS("Next")] )
 648     {
 649         if( p_playlist == NULL )
 650         {
 651             bEnabled = FALSE;
 652         }
 653         else
 654         {
 655             bEnabled = p_playlist->i_size > 1;
 656
 657             if( p_input != NULL )
 658             {
 659                 vlc_mutex_lock( &p_input->stream.stream_lock );
 660                 bEnabled |= p_input->stream.i_area_nb > 1;
 661                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 662             }
 663         }
 664     }
 665     else if( [[o_mi title] isEqualToString: _NS("Random")] )
 666     {
 667         int i_state;
 668         var_Get( p_playlist, "random", &val );
 669         i_state = val.b_bool ? NSOnState : NSOffState;
 670         [o_mi setState: i_state];
 671     }
 672     else if( [[o_mi title] isEqualToString: _NS("Repeat One")] )
 673     {
 674         int i_state;
 675         var_Get( p_playlist, "repeat", &val );
 676         i_state = val.b_bool ? NSOnState : NSOffState;
 677         [o_mi setState: i_state];
 678     }
 679     else if( [[o_mi title] isEqualToString: _NS("Repeat All")] )
 680     {
 681         int i_state;
 682         var_Get( p_playlist, "loop", &val );
 683         i_state = val.b_bool ? NSOnState : NSOffState;
 684         [o_mi setState: i_state];
 685     }
 686     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 687              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 688     {
 689         if( p_playlist != NULL && p_input != NULL )
 690         {
 691             vlc_mutex_lock( &p_input->stream.stream_lock );
 692             bEnabled = p_input->stream.b_seekable;
 693             vlc_mutex_unlock( &p_input->stream.stream_lock );
 694         }
 695         else
 696         {
 697             bEnabled = FALSE;
 698         }
 699     }
 700     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 701     {
 702         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 703     }
 704     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 705                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 706                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 707                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 708                 [[o_mi title] isEqualToString: _NS("Fit to Screen")] ||
 709                 [[o_mi title] isEqualToString: _NS("Float on Top")] )
 710     {
 711         id o_window;
 712         NSArray *o_windows = [NSApp orderedWindows];
 713         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 714         bEnabled = FALSE;
 715
 716         if ( [[o_mi title] isEqualToString: _NS("Float on Top")] )
 717         {
 718             int i_state = config_GetInt( p_playlist, "video-on-top" ) ?
 719                       NSOnState : NSOffState;
 720             [o_mi setState: i_state];
 721         }
 722
 723         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 724                                               FIND_ANYWHERE );
 725         if( p_vout != NULL )
 726         {
 727             while ((o_window = [o_enumerator nextObject]))
 728             {
 729                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 730                 {
 731                     bEnabled = TRUE;
 732                     break;
 733                 }
 734             }
 735             vlc_object_release( (vlc_object_t *)p_vout );
 736         }
 737     }
 738
 739     if( p_playlist != NULL )
 740     {
 741         vlc_mutex_unlock( &p_playlist->object_lock );
 742         vlc_object_release( p_playlist );
 743     }
 744
 745     return( bEnabled );
 746 }
 747
 748 @end
 749
 750 /*****************************************************************************
 751  * VLCMenuExt implementation
 752  *****************************************************************************
 753  * Object connected to a playlistitem which remembers the data belonging to
 754  * the variable of the autogenerated menu
 755  *****************************************************************************/
 756 @implementation VLCMenuExt
 757
 758 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 759         Value: (vlc_value_t)val ofType: (int)_i_type
 760 {
 761     self = [super init];
 762
 763     if( self != nil )
 764     {
 765         psz_name = strdup( _psz_name );
 766         i_object_id = i_id;
 767         value = val;
 768         i_type = _i_type;
 769     }
 770
 771     return( self );
 772 }
 773
 774 - (void)dealloc
 775 {
 776     free( psz_name );
 777 }
 778
 779 - (char *)name
 780 {
 781     return psz_name;
 782 }
 783
 784 - (int)objectID
 785 {
 786     return i_object_id;
 787 }
 788
 789 - (vlc_value_t)value
 790 {
 791     return value;
 792 }
 793
 794 - (int)type
 795 {
 796     return i_type;
 797 }
 798
 799 @end