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

   1 /*****************************************************************************
   2  r playlistinfo.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Benjamin Pracht <bigben at videolan dot org>
   8  *          Felix Kühne <fkuehne at videolan dot org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #include "intf.h"
  30 #include "playlistinfo.h"
  31 #include "playlist.h"
  32
  33 /*****************************************************************************
  34  * VLCPlaylistInfo Implementation
  35  *****************************************************************************/
  36
  37 @implementation VLCInfo
  38
  39 - (id)init
  40 {
  41     self = [super init];
  42
  43     if( self != nil )
  44     {
  45         p_item = NULL;
  46         o_statUpdateTimer = nil;
  47     }
  48     return( self );
  49 }
  50
  51 - (void)awakeFromNib
  52 {
  53     [o_info_window setExcludedFromWindowsMenu: TRUE];
  54
  55     [o_info_window setTitle: _NS("Information")];
  56     [o_uri_lbl setStringValue: _NS("URI")];
  57     [o_title_lbl setStringValue: _NS("Title")];
  58     [o_author_lbl setStringValue: _NS("Author")];
  59     [o_btn_ok setTitle: _NS("OK")];
  60     [o_btn_cancel setTitle: _NS("Cancel")];
  61
  62     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
  63     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Advanced Information")];
  64     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
  65     [o_tab_view selectTabViewItemAtIndex: 0];
  66
  67     /* constants defined in vlc_meta.h */
  68     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
  69     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
  70     [o_collection_lbl setStringValue: _NS(VLC_META_COLLECTION)];
  71     [o_seqNum_lbl setStringValue: _NS(VLC_META_SEQ_NUM)];
  72     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
  73     [o_rating_lbl setStringValue: _NS(VLC_META_RATING)];
  74     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
  75     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
  76     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
  77     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
  78
  79     /* statistics */
  80     [o_input_box setTitle: _NS("Input")];
  81     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
  82     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
  83     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
  84     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
  85
  86     [o_video_box setTitle: _NS("Video")];
  87     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
  88     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
  89     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
  90
  91     [o_sout_box setTitle: _NS("Streaming")];
  92     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
  93     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
  94     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
  95
  96     [o_audio_box setTitle: _NS("Audio")];
  97     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
  98     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
  99     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
 100 }
 101
 102 - (void)dealloc
 103 {
 104     /* make sure that it is released in any case */
 105     if ( o_statUpdateTimer )
 106         [o_statUpdateTimer release];
 107     [super dealloc];
 108 }
 109
 110 - (IBAction)togglePlaylistInfoPanel:(id)sender
 111 {
 112     if( [o_info_window isVisible] )
 113     {
 114         [self windowShouldClose: nil];
 115         [o_info_window orderOut: sender];
 116     }
 117     else
 118     {
 119         p_item = [[[VLCMain sharedInstance] getPlaylist] selectedPlaylistItem];
 120         [self initPanel:sender];
 121     }
 122 }
 123
 124 - (IBAction)toggleInfoPanel:(id)sender
 125 {
 126     if( [o_info_window isVisible] )
 127     {
 128         [self windowShouldClose: nil];
 129         [o_info_window orderOut: sender];
 130     }
 131     else
 132     {
 133         intf_thread_t * p_intf = VLCIntf;
 134         playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 135                                           FIND_ANYWHERE );
 136
 137         if( p_playlist )
 138         {
 139             p_item = p_playlist->status.p_item;
 140             vlc_object_release( p_playlist );
 141         }
 142
 143         BOOL b_stats = config_GetInt(VLCIntf, "stats");
 144         if( b_stats )
 145         {
 146             o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1 \
 147                 target: self selector: @selector(updateStatistics:) \
 148                 userInfo: nil repeats: YES];
 149             [o_statUpdateTimer fire];
 150             [o_statUpdateTimer retain];
 151         }
 152         else
 153         {
 154             if( [o_tab_view numberOfTabViewItems] > 2 )
 155             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
 156         }
 157
 158         [self initPanel:sender];
 159     }
 160 }
 161
 162 - (void)initPanel:(id)sender
 163 {
 164     [self updatePanel];
 165     [o_info_window makeKeyAndOrderFront: sender];
 166 }
 167
 168 - (void)updatePanel
 169 {
 170     /* make sure that we got the current item and not an outdated one */
 171     intf_thread_t * p_intf = VLCIntf;
 172         playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 173                                           FIND_ANYWHERE );
 174
 175     if( p_playlist )
 176     {
 177         p_item = p_playlist->status.p_item;
 178         vlc_object_release( p_playlist );
 179     }
 180
 181     /* check whether our item is valid, because we would crash if not */
 182     if(! [self isItemInPlaylist: p_item] ) return;
 183
 184     vlc_mutex_lock( &p_item->p_input->lock );
 185
 186     /* fill uri / title / author info */
 187     if( p_item->p_input->psz_uri )
 188     {
 189         [o_uri_txt setStringValue:
 190             ([NSString stringWithUTF8String:p_item->p_input->psz_uri] == nil ) ?
 191             [NSString stringWithCString:p_item->p_input->psz_uri] :
 192             [NSString stringWithUTF8String:p_item->p_input->psz_uri]];
 193     }
 194
 195     if( p_item->p_input->psz_name )
 196     {
 197         [o_title_txt setStringValue:
 198             ([NSString stringWithUTF8String:p_item->p_input->psz_name] == nil ) ?
 199             [NSString stringWithCString:p_item->p_input->psz_name] :
 200             [NSString stringWithUTF8String:p_item->p_input->psz_name]];
 201     }
 202
 203     /* fill the other fields */
 204 #define p_m p_item->p_input->p_meta
 205     [self setMeta: p_m->psz_artist forLabel: o_author_txt];
 206     [self setMeta: p_m->psz_album forLabel: o_collection_txt];
 207     [self setMeta: p_m->psz_tracknum forLabel: o_seqNum_txt];
 208     [self setMeta: p_m->psz_genre forLabel: o_genre_txt];
 209     [self setMeta: p_m->psz_copyright forLabel: o_copyright_txt];
 210     [self setMeta: p_m->psz_rating forLabel: o_rating_txt];
 211     [self setMeta: p_m->psz_publisher forLabel: o_publisher_txt];
 212     [self setMeta: p_m->psz_nowplaying forLabel: o_nowPlaying_txt];
 213     [self setMeta: p_m->psz_language forLabel: o_language_txt];
 214     [self setMeta: p_m->psz_date forLabel: o_date_txt];
 215 #undef p_m
 216     vlc_mutex_unlock( &p_item->p_input->lock );
 217
 218     /* reload the advanced table */
 219     [[VLCInfoTreeItem rootItem] refresh];
 220     [o_outline_view reloadData];
 221
 222     /* update the stats once to display p_item change faster */
 223     [self updateStatistics: nil];
 224 }
 225
 226 - (void)setMeta: (char *)psz_meta forLabel: (id)theItem
 227 {
 228     if( psz_meta != NULL && *psz_meta)
 229         [theItem setStringValue:
 230             ([NSString stringWithUTF8String:psz_meta] == nil ) ?
 231             [NSString stringWithCString:psz_meta] :
 232             [NSString stringWithUTF8String:psz_meta]];
 233     else
 234         [theItem setStringValue: @"-"];
 235 }
 236
 237 - (void)updateStatistics:(NSTimer*)theTimer
 238 {
 239     if( [self isItemInPlaylist: p_item] )
 240     {
 241         /* we can only do that if there's a valid input around */
 242
 243         vlc_mutex_lock( &p_item->p_input->p_stats->lock );
 244
 245         /* input */
 246         [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
 247             @"%8.0f kB", (float)(p_item->p_input->p_stats->i_read_bytes)/1000]];
 248         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
 249             @"%6.0f kb/s", (float)(p_item->p_input->p_stats->f_input_bitrate)*8000]];
 250         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
 251             @"%8.0f kB", (float)(p_item->p_input->p_stats->i_demux_read_bytes)/1000]];
 252         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
 253             @"%6.0f kb/s", (float)(p_item->p_input->p_stats->f_demux_bitrate)*8000]];
 254
 255         /* Video */
 256         [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 257             p_item->p_input->p_stats->i_decoded_video]];
 258         [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 259             p_item->p_input->p_stats->i_displayed_pictures]];
 260         [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 261             p_item->p_input->p_stats->i_lost_pictures]];
 262
 263         /* Sout */
 264         [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 265             p_item->p_input->p_stats->i_sent_packets]];
 266         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
 267             (float)(p_item->p_input->p_stats->i_sent_bytes)/1000]];
 268         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
 269             @"%6.0f kb/s", (float)(p_item->p_input->p_stats->f_send_bitrate*8)*1000]];
 270
 271         /* Audio */
 272         [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 273             p_item->p_input->p_stats->i_decoded_audio]];
 274         [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 275             p_item->p_input->p_stats->i_played_abuffers]];
 276         [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 277             p_item->p_input->p_stats->i_lost_abuffers]];
 278
 279         vlc_mutex_unlock( &p_item->p_input->p_stats->lock );
 280     }
 281 }
 282
 283 - (IBAction)infoCancel:(id)sender
 284 {
 285     [self windowShouldClose: nil];
 286     [o_info_window orderOut: self];
 287 }
 288
 289
 290 - (IBAction)infoOk:(id)sender
 291 {
 292     intf_thread_t * p_intf = VLCIntf;
 293     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 294                                           FIND_ANYWHERE );
 295     vlc_value_t val;
 296
 297     if( [self isItemInPlaylist: p_item] )
 298     {
 299         vlc_mutex_lock( &p_item->p_input->lock );
 300
 301         p_item->p_input->psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
 302         p_item->p_input->psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
 303         vlc_meta_SetArtist( p_item->p_input->p_meta, [[o_author_txt stringValue] UTF8String] )
 304         vlc_mutex_unlock( &p_item->p_input->lock );
 305
 306         val.b_bool = VLC_TRUE;
 307         var_Set( p_playlist, "intf-change", val );
 308     }
 309     vlc_object_release( p_playlist );
 310     [self windowShouldClose: nil];
 311     [o_info_window orderOut: self];
 312 }
 313
 314 - (playlist_item_t *)getItem
 315 {
 316     return p_item;
 317 }
 318
 319 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 320 {
 321     intf_thread_t * p_intf = VLCIntf;
 322     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 323                                           FIND_ANYWHERE );
 324     int i;
 325
 326     if( p_playlist == NULL )
 327     {
 328         return NO;
 329     }
 330
 331     for( i = 0 ; i < p_playlist->i_all_size ; i++ )
 332     {
 333         if( p_playlist->pp_all_items[i] == p_local_item )
 334         {
 335             vlc_object_release( p_playlist );
 336             return YES;
 337         }
 338     }
 339     vlc_object_release( p_playlist );
 340     return NO;
 341 }
 342
 343 - (BOOL)windowShouldClose:(id)sender
 344 {
 345     if( o_statUpdateTimer )
 346     {
 347         [o_statUpdateTimer invalidate];
 348         [o_statUpdateTimer release];
 349     }
 350     return YES;
 351 }
 352
 353 @end
 354
 355 @implementation VLCInfo (NSMenuValidation)
 356
 357 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 358 {
 359     BOOL bEnabled = TRUE;
 360
 361     intf_thread_t * p_intf = VLCIntf;
 362     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 363                                                        FIND_ANYWHERE );
 364
 365     if( [[o_mi title] isEqualToString: _NS("Information")] )
 366     {
 367         if( p_input == NULL )
 368         {
 369             bEnabled = FALSE;
 370         }
 371     }
 372     if( p_input ) vlc_object_release( p_input );
 373
 374     return( bEnabled );
 375 }
 376
 377 @end
 378
 379 @implementation VLCInfo (NSTableDataSource)
 380
 381 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 382 {
 383     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 384 }
 385
 386 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 387     return ([item numberOfChildren] > 0);
 388 }
 389
 390 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 391 {
 392     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : (id)[item childAtIndex:index];
 393 }
 394
 395 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 396 {
 397     if ([[tableColumn identifier] isEqualToString:@"0"])
 398     {
 399         return (item == nil) ? @"" : (id)[item getName];
 400     }
 401     else
 402     {
 403         return (item == nil) ? @"" : (id)[item getValue];
 404     }
 405 }
 406
 407
 408 @end
 409
 410 @implementation VLCInfoTreeItem
 411
 412 static VLCInfoTreeItem *o_root_item = nil;
 413
 414 #define IsALeafNode ((id)-1)
 415
 416 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 417 {
 418     self = [super init];
 419
 420     if( self != nil )
 421     {
 422         o_name = [o_item_name copy];
 423         o_value = [o_item_value copy];
 424         i_object_id = i_id;
 425         o_parent = o_parent_item;
 426         if( [[VLCMain sharedInstance] getInfo] != nil )
 427             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 428         else
 429             p_item = NULL;
 430     }
 431     return( self );
 432 }
 433
 434 + (VLCInfoTreeItem *)rootItem {
 435     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 436     return o_root_item;
 437 }
 438
 439 - (void)dealloc
 440 {
 441     if( o_children != IsALeafNode ) [o_children release];
 442     [o_name release];
 443     [super dealloc];
 444 }
 445
 446 /* Creates and returns the array of children
 447  * Loads children incrementally */
 448 - (NSArray *)children
 449 {
 450     if (o_children == NULL)
 451     {
 452         int i;
 453
 454         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 455         {
 456             if( self == o_root_item )
 457             {
 458                 vlc_mutex_lock( &p_item->p_input->lock );
 459                 o_children = [[NSMutableArray alloc] initWithCapacity:
 460                                                 p_item->p_input->i_categories];
 461                 for (i = 0 ; i < p_item->p_input->i_categories ; i++)
 462                 {
 463                     [o_children addObject:[[VLCInfoTreeItem alloc]
 464                         initWithName: [NSString stringWithUTF8String:
 465                             p_item->p_input->pp_categories[i]->psz_name]
 466                         value: @""
 467                         ID: i
 468                         parent: self]];
 469                 }
 470                 vlc_mutex_unlock( &p_item->p_input->lock );
 471             }
 472             else if( o_parent == o_root_item )
 473             {
 474                 vlc_mutex_lock( &p_item->p_input->lock );
 475                 o_children = [[NSMutableArray alloc] initWithCapacity:
 476                     p_item->p_input->pp_categories[i_object_id]->i_infos];
 477
 478                 for (i = 0 ; i < p_item->p_input->pp_categories[i_object_id]->i_infos ; i++)
 479                 {
 480                     [o_children addObject:[[VLCInfoTreeItem alloc]
 481                     initWithName: [NSString stringWithUTF8String:
 482                             p_item->p_input->pp_categories[i_object_id]->pp_infos[i]->psz_name]
 483                         value: [NSString stringWithUTF8String:
 484                             p_item->p_input->pp_categories[i_object_id]->pp_infos[i]->psz_value]
 485                         ID: i
 486                         parent: self]];
 487                 }
 488                 vlc_mutex_unlock( &p_item->p_input->lock );
 489             }
 490             else
 491             {
 492                 o_children = IsALeafNode;
 493             }
 494         }
 495     }
 496     return o_children;
 497 }
 498
 499 - (NSString *)getName
 500 {
 501     return o_name;
 502 }
 503
 504 - (NSString *)getValue
 505 {
 506     return o_value;
 507 }
 508
 509 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 510     return [[self children] objectAtIndex:i_index];
 511 }
 512
 513 - (int)numberOfChildren {
 514     id i_tmp = [self children];
 515     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 516 }
 517
 518 /*- (int)selectedPlaylistItem
 519 {
 520     return i_item;
 521 }
 522 */
 523 - (void)refresh
 524 {
 525     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 526     if( o_children != NULL )
 527     {
 528         [o_children release];
 529         o_children = NULL;
 530     }
 531 }
 532
 533 @end
 534