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