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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "Random On" ) );
 174     }
 175     else
 176     {
 177         vout_OSDMessage( p_intf, SOLO_CHAN, _( "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, SOLO_CHAN, _( "Repeat All" ) );
 206     }
 207     else
 208     {
 209         vout_OSDMessage( p_intf, SOLO_CHAN, _( "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, SOLO_CHAN, _( "Repeat One" ) );
 238     }
 239     else
 240     {
 241         vout_OSDMessage( p_intf, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, _( "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, SOLO_CHAN, "Vol %d%%",
 337                      i_volume*100/AOUT_VOLUME_MAX );
 338 }
 339
 340 - (IBAction)windowAction:(id)sender
 341 {
 342     id o_window = [NSApp keyWindow];
 343     NSString *o_title = [sender title];
 344     NSArray *o_windows = [NSApp orderedWindows];
 345     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 346     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 347                                               FIND_ANYWHERE );
 348
 349     if( p_vout != NULL )
 350     {
 351         while ((o_window = [o_enumerator nextObject]))
 352         {
 353             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 354             {
 355                 if( [o_title isEqualToString: _NS("Half Size") ] )
 356                     [o_window scaleWindowWithFactor: 0.5];
 357                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 358                     [o_window scaleWindowWithFactor: 1.0];
 359                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 360                     [o_window scaleWindowWithFactor: 2.0];
 361                 else if( [o_title isEqualToString: _NS("Float on Top") ] )
 362                     [o_window toggleFloatOnTop];
 363                 else if( [o_title isEqualToString: _NS("Fit to Screen") ] )
 364                 {
 365                     if( ![o_window isZoomed] )
 366                         [o_window performZoom:self];
 367                 }
 368                 else
 369                 {
 370                     [o_window toggleFullscreen];
 371                 }
 372                 break;
 373             }
 374         }
 375         vlc_object_release( (vlc_object_t *)p_vout );
 376     }
 377 }
 378
 379 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 380                     target:(vlc_object_t *)p_object
 381                     var:(const char *)psz_variable
 382                     selector:(SEL)pf_callback
 383 {
 384     vlc_value_t val, text;
 385     int i_type = var_Type( p_object, psz_variable );
 386
 387     switch( i_type & VLC_VAR_TYPE )
 388     {
 389     case VLC_VAR_VOID:
 390     case VLC_VAR_BOOL:
 391     case VLC_VAR_VARIABLE:
 392     case VLC_VAR_STRING:
 393     case VLC_VAR_INTEGER:
 394         break;
 395     default:
 396         /* Variable doesn't exist or isn't handled */
 397         return;
 398     }
 399
 400     /* Make sure we want to display the variable */
 401     if( i_type & VLC_VAR_HASCHOICE )
 402     {
 403         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 404         if( val.i_int == 0 ) return;
 405         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 406             return;
 407     }
 408
 409     /* Get the descriptive name of the variable */
 410     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 411     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 412                                         text.psz_string : strdup( psz_variable ) ]];
 413
 414     var_Get( p_object, psz_variable, &val );
 415     if( i_type & VLC_VAR_HASCHOICE )
 416     {
 417         NSMenu *o_menu = [o_mi submenu];
 418
 419         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 420                         var:psz_variable selector:pf_callback];
 421
 422         if( text.psz_string ) free( text.psz_string );
 423         return;
 424     }
 425
 426     VLCMenuExt *o_data;
 427     switch( i_type & VLC_VAR_TYPE )
 428     {
 429     case VLC_VAR_VOID:
 430         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 431                 Value: val ofType: i_type];
 432         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 433         break;
 434
 435     case VLC_VAR_BOOL:
 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         if( !( i_type & VLC_VAR_ISCOMMAND ) )
 440             [o_mi setState: val.b_bool ? TRUE : FALSE ];
 441         break;
 442
 443     default:
 444         if( text.psz_string ) free( text.psz_string );
 445         return;
 446     }
 447
 448     if( ( i_type & VLC_VAR_TYPE ) == VLC_VAR_STRING ) free( val.psz_string );
 449     if( text.psz_string ) free( text.psz_string );
 450 }
 451
 452
 453 - (void)setupVarMenu:(NSMenu *)o_menu
 454                     forMenuItem: (NSMenuItem *)o_parent
 455                     target:(vlc_object_t *)p_object
 456                     var:(const char *)psz_variable
 457                     selector:(SEL)pf_callback
 458 {
 459     vlc_value_t val, val_list, text_list;
 460     int i_type, i, i_nb_items;
 461
 462     /* remove previous items */
 463     i_nb_items = [o_menu numberOfItems];
 464     for( i = 0; i < i_nb_items; i++ )
 465     {
 466         [o_menu removeItemAtIndex: 0];
 467     }
 468
 469     /* Check the type of the object variable */
 470     i_type = var_Type( p_object, psz_variable );
 471
 472     /* Make sure we want to display the variable */
 473     if( i_type & VLC_VAR_HASCHOICE )
 474     {
 475         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 476         if( val.i_int == 0 ) return;
 477         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 478             return;
 479     }
 480     else
 481     {
 482         return;
 483     }
 484
 485     switch( i_type & VLC_VAR_TYPE )
 486     {
 487     case VLC_VAR_VOID:
 488     case VLC_VAR_BOOL:
 489     case VLC_VAR_VARIABLE:
 490     case VLC_VAR_STRING:
 491     case VLC_VAR_INTEGER:
 492         break;
 493     default:
 494         /* Variable doesn't exist or isn't handled */
 495         return;
 496     }
 497
 498     if( var_Get( p_object, psz_variable, &val ) < 0 )
 499     {
 500         return;
 501     }
 502
 503     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 504                     &val_list, &text_list ) < 0 )
 505     {
 506         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 507         return;
 508     }
 509
 510     /* make (un)sensitive */
 511     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 512
 513     for( i = 0; i < val_list.p_list->i_count; i++ )
 514     {
 515         vlc_value_t another_val;
 516         NSMenuItem * o_lmi;
 517         NSString *o_title = @"";
 518         VLCMenuExt *o_data;
 519
 520         switch( i_type & VLC_VAR_TYPE )
 521         {
 522         case VLC_VAR_STRING:
 523             another_val.psz_string =
 524                 strdup(val_list.p_list->p_values[i].psz_string);
 525
 526             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 527                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 528
 529             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 530             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 531                     Value: another_val ofType: i_type];
 532             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 533             [o_lmi setTarget: self];
 534
 535             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) && !( i_type & VLC_VAR_ISCOMMAND ) )
 536                 [o_lmi setState: TRUE ];
 537
 538             break;
 539
 540         case VLC_VAR_INTEGER:
 541
 542              o_title = text_list.p_list->p_values[i].psz_string ?
 543                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 544                                  [NSString stringWithFormat: @"%d",
 545                                  val_list.p_list->p_values[i].i_int];
 546
 547             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 548             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 549                     Value: val_list.p_list->p_values[i] ofType: i_type];
 550             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 551             [o_lmi setTarget: self];
 552
 553             if( val_list.p_list->p_values[i].i_int == val.i_int && !( i_type & VLC_VAR_ISCOMMAND ) )
 554                 [o_lmi setState: TRUE ];
 555             break;
 556
 557         default:
 558           break;
 559         }
 560     }
 561
 562     /* clean up everything */
 563     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 564     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 565 }
 566
 567 - (IBAction)toggleVar:(id)sender
 568 {
 569     NSMenuItem *o_mi = (NSMenuItem *)sender;
 570     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 571     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 572         toTarget: self withObject: o_data];
 573
 574     return;
 575 }
 576
 577 - (int)toggleVarThread: (id)_o_data
 578 {
 579     vlc_object_t *p_object;
 580     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 581     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 582
 583     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 584
 585     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 586                                     [o_data objectID] );
 587
 588     if( p_object != NULL )
 589     {
 590         var_Set( p_object, strdup([o_data name]), [o_data value] );
 591         vlc_object_release( p_object );
 592         [o_pool release];
 593         return VLC_TRUE;
 594     }
 595     [o_pool release];
 596     return VLC_EGENERIC;
 597 }
 598
 599 @end
 600
 601 @implementation VLCControls (NSMenuValidation)
 602
 603 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 604 {
 605     BOOL bEnabled = TRUE;
 606     vlc_value_t val;
 607     intf_thread_t * p_intf = [NSApp getIntf];
 608     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 609                                                        FIND_ANYWHERE );
 610
 611     if( p_playlist != NULL )
 612     {
 613         vlc_mutex_lock( &p_playlist->object_lock );
 614     }
 615
 616 #define p_input p_playlist->p_input
 617
 618     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 619         [[o_mi title] isEqualToString: _NS("Slower")] )
 620     {
 621         if( p_playlist != NULL && p_input != NULL )
 622         {
 623             vlc_mutex_lock( &p_input->stream.stream_lock );
 624             bEnabled = p_input->stream.b_pace_control;
 625             vlc_mutex_unlock( &p_input->stream.stream_lock );
 626         }
 627         else
 628         {
 629             bEnabled = FALSE;
 630         }
 631     }
 632     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 633     {
 634         if( p_playlist == NULL || p_input == NULL )
 635         {
 636             bEnabled = FALSE;
 637         }
 638     }
 639     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 640              [[o_mi title] isEqualToString: _NS("Next")] )
 641     {
 642         if( p_playlist == NULL )
 643         {
 644             bEnabled = FALSE;
 645         }
 646         else
 647         {
 648             bEnabled = p_playlist->i_size > 1;
 649
 650             if( p_input != NULL )
 651             {
 652                 vlc_mutex_lock( &p_input->stream.stream_lock );
 653                 bEnabled |= p_input->stream.i_area_nb > 1;
 654                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 655             }
 656         }
 657     }
 658     else if( [[o_mi title] isEqualToString: _NS("Random")] )
 659     {
 660         int i_state;
 661         var_Get( p_playlist, "random", &val );
 662         i_state = val.b_bool ? NSOnState : NSOffState;
 663         [o_mi setState: i_state];
 664     }
 665     else if( [[o_mi title] isEqualToString: _NS("Repeat One")] )
 666     {
 667         int i_state;
 668         var_Get( p_playlist, "repeat", &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 All")] )
 673     {
 674         int i_state;
 675         var_Get( p_playlist, "loop", &val );
 676         i_state = val.b_bool ? NSOnState : NSOffState;
 677         [o_mi setState: i_state];
 678     }
 679     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 680              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 681     {
 682         if( p_playlist != NULL && p_input != NULL )
 683         {
 684             vlc_mutex_lock( &p_input->stream.stream_lock );
 685             bEnabled = p_input->stream.b_seekable;
 686             vlc_mutex_unlock( &p_input->stream.stream_lock );
 687         }
 688         else
 689         {
 690             bEnabled = FALSE;
 691         }
 692     }
 693     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 694     {
 695         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 696     }
 697     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 698                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 699                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 700                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 701                 [[o_mi title] isEqualToString: _NS("Fit to Screen")] ||
 702                 [[o_mi title] isEqualToString: _NS("Float on Top")] )
 703     {
 704         id o_window;
 705         NSArray *o_windows = [NSApp orderedWindows];
 706         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 707         bEnabled = FALSE;
 708
 709         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 710                                               FIND_ANYWHERE );
 711         if( p_vout != NULL )
 712         {
 713             if ( [[o_mi title] isEqualToString: _NS("Float on Top")] )
 714             {
 715                 var_Get( p_vout, "video-on-top", &val );
 716                 [o_mi setState: val.b_bool ?  NSOnState : NSOffState];
 717             }
 718
 719             while ((o_window = [o_enumerator nextObject]))
 720             {
 721                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 722                 {
 723                     bEnabled = TRUE;
 724                     break;
 725                 }
 726             }
 727             vlc_object_release( (vlc_object_t *)p_vout );
 728         }
 729     }
 730
 731     if( p_playlist != NULL )
 732     {
 733         vlc_mutex_unlock( &p_playlist->object_lock );
 734         vlc_object_release( p_playlist );
 735     }
 736
 737     return( bEnabled );
 738 }
 739
 740 @end
 741
 742 /*****************************************************************************
 743  * VLCMenuExt implementation
 744  *****************************************************************************
 745  * Object connected to a playlistitem which remembers the data belonging to
 746  * the variable of the autogenerated menu
 747  *****************************************************************************/
 748 @implementation VLCMenuExt
 749
 750 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 751         Value: (vlc_value_t)val ofType: (int)_i_type
 752 {
 753     self = [super init];
 754
 755     if( self != nil )
 756     {
 757         psz_name = strdup( _psz_name );
 758         i_object_id = i_id;
 759         value = val;
 760         i_type = _i_type;
 761     }
 762
 763     return( self );
 764 }
 765
 766 - (void)dealloc
 767 {
 768     free( psz_name );
 769 }
 770
 771 - (char *)name
 772 {
 773     return psz_name;
 774 }
 775
 776 - (int)objectID
 777 {
 778     return i_object_id;
 779 }
 780
 781 - (vlc_value_t)value
 782 {
 783     return value;
 784 }
 785
 786 - (int)type
 787 {
 788     return i_type;
 789 }
 790
 791 @end