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 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
 153         [self initPanel:sender];
 154     }
 155 }
 156
 157 - (void)initPanel:(id)sender
 158 {
 159     /* check whether our item is valid, because we would crash if not */
 160     if(! [self isItemInPlaylist: p_item] ) 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     [o_info_window makeKeyAndOrderFront: sender];
 218 }
 219
 220 - (void)setMeta: (char *)meta forLabel: (id)theItem
 221 {
 222     char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
 223         _(VLC_META_INFO_CAT), _(meta) );
 224     if( psz_meta != NULL && *psz_meta)
 225         [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
 226     else
 227         [theItem setStringValue: @"-"];
 228 }
 229
 230 - (void)updateStatistics:(NSTimer*)theTimer
 231 {
 232     if( [self isItemInPlaylist: p_item] )
 233     {
 234         /* we can only do that if there's a valid input around */
 235
 236         vlc_mutex_lock( &p_item->input.p_stats->lock );
 237
 238         /* input */
 239         [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
 240             @"%8.0f kB", (float)(p_item->input.p_stats->i_read_bytes)/1000]];
 241         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
 242             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_input_bitrate)*8000]];
 243         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
 244             @"%8.0f kB", (float)(p_item->input.p_stats->i_demux_read_bytes)/1000]];
 245         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
 246             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_demux_bitrate)*8000]];
 247
 248         /* Video */
 249         [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 250             p_item->input.p_stats->i_decoded_video]];
 251         [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 252             p_item->input.p_stats->i_displayed_pictures]];
 253         [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 254             p_item->input.p_stats->i_lost_pictures]];
 255
 256         /* Sout */
 257         [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 258             p_item->input.p_stats->i_sent_packets]];
 259         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
 260             (float)(p_item->input.p_stats->i_sent_bytes)/1000]];
 261         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
 262             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_send_bitrate*8)*1000]];
 263
 264         /* Audio */
 265         [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 266             p_item->input.p_stats->i_decoded_audio]];
 267         [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 268             p_item->input.p_stats->i_played_abuffers]];
 269         [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 270             p_item->input.p_stats->i_lost_abuffers]];
 271
 272         vlc_mutex_unlock( &p_item->input.p_stats->lock );
 273     }
 274 }
 275
 276 - (IBAction)infoCancel:(id)sender
 277 {
 278     [self windowShouldClose: nil];
 279     [o_info_window orderOut: self];
 280 }
 281
 282
 283 - (IBAction)infoOk:(id)sender
 284 {
 285     intf_thread_t * p_intf = VLCIntf;
 286     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 287                                           FIND_ANYWHERE );
 288     vlc_value_t val;
 289
 290     if( [self isItemInPlaylist: p_item] )
 291     {
 292         vlc_mutex_lock( &p_item->input.lock );
 293
 294         p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
 295         p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
 296         vlc_mutex_unlock( &p_item->input.lock );
 297         vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
 298
 299         val.b_bool = VLC_TRUE;
 300         var_Set( p_playlist, "intf-change", val );
 301     }
 302     vlc_object_release( p_playlist );
 303     [self windowShouldClose: nil];
 304     [o_info_window orderOut: self];
 305 }
 306
 307 - (playlist_item_t *)getItem
 308 {
 309     return p_item;
 310 }
 311
 312 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 313 {
 314     intf_thread_t * p_intf = VLCIntf;
 315     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 316                                           FIND_ANYWHERE );
 317     int i;
 318
 319     if( p_playlist == NULL )
 320     {
 321         return NO;
 322     }
 323
 324     for( i = 0 ; i < p_playlist->i_all_size ; i++ )
 325     {
 326         if( p_playlist->pp_all_items[i] == p_local_item )
 327         {
 328             vlc_object_release( p_playlist );
 329             return YES;
 330         }
 331     }
 332     vlc_object_release( p_playlist );
 333     return NO;
 334 }
 335
 336 - (BOOL)windowShouldClose:(id)sender
 337 {
 338     if( o_statUpdateTimer )
 339     {
 340         [o_statUpdateTimer invalidate];
 341         [o_statUpdateTimer release];
 342     }
 343     return YES;
 344 }
 345
 346 @end
 347
 348 @implementation VLCInfo (NSMenuValidation)
 349
 350 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 351 {
 352     BOOL bEnabled = TRUE;
 353
 354     intf_thread_t * p_intf = VLCIntf;
 355     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 356                                                        FIND_ANYWHERE );
 357
 358     if( [[o_mi title] isEqualToString: _NS("Information")] )
 359     {
 360         if( p_input == NULL )
 361         {
 362             bEnabled = FALSE;
 363         }
 364     }
 365     if( p_input ) vlc_object_release( p_input );
 366
 367     return( bEnabled );
 368 }
 369
 370 @end
 371
 372 @implementation VLCInfo (NSTableDataSource)
 373
 374 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 375 {
 376     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 377 }
 378
 379 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 380     return ([item numberOfChildren] > 0);
 381 }
 382
 383 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 384 {
 385     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
 386 }
 387
 388 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 389 {
 390     if ([[tableColumn identifier] isEqualToString:@"0"])
 391     {
 392         return (item == nil) ? @"" : (id)[item getName];
 393     }
 394     else
 395     {
 396         return (item == nil) ? @"" : (id)[item getValue];
 397     }
 398 }
 399
 400
 401 @end
 402
 403 @implementation VLCInfoTreeItem
 404
 405 static VLCInfoTreeItem *o_root_item = nil;
 406
 407 #define IsALeafNode ((id)-1)
 408
 409 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 410 {
 411     self = [super init];
 412
 413     if( self != nil )
 414     {
 415         o_name = [o_item_name copy];
 416         o_value = [o_item_value copy];
 417         i_object_id = i_id;
 418         o_parent = o_parent_item;
 419         if( [[VLCMain sharedInstance] getInfo] != nil )
 420             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 421         else
 422             p_item = NULL;
 423     }
 424     return( self );
 425 }
 426
 427 + (VLCInfoTreeItem *)rootItem {
 428     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 429     return o_root_item;
 430 }
 431
 432 - (void)dealloc
 433 {
 434     if( o_children != IsALeafNode ) [o_children release];
 435     [o_name release];
 436     [super dealloc];
 437 }
 438
 439 /* Creates and returns the array of children
 440  * Loads children incrementally */
 441 - (NSArray *)children
 442 {
 443     if (o_children == NULL)
 444     {
 445         int i;
 446
 447         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 448         {
 449             if( self == o_root_item )
 450             {
 451                 vlc_mutex_lock( &p_item->input.lock );
 452                 o_children = [[NSMutableArray alloc] initWithCapacity:
 453                                                 p_item->input.i_categories];
 454                 for (i = 0 ; i < p_item->input.i_categories ; i++)
 455                 {
 456                     [o_children addObject:[[VLCInfoTreeItem alloc]
 457                         initWithName: [NSString stringWithUTF8String:
 458                             p_item->input.pp_categories[i]->psz_name]
 459                         value: @""
 460                         ID: i
 461                         parent: self]];
 462                 }
 463                 vlc_mutex_unlock( &p_item->input.lock );
 464             }
 465             else if( o_parent == o_root_item )
 466             {
 467                 vlc_mutex_lock( &p_item->input.lock );
 468                 o_children = [[NSMutableArray alloc] initWithCapacity:
 469                     p_item->input.pp_categories[i_object_id]->i_infos];
 470
 471                 for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
 472                 {
 473                     [o_children addObject:[[VLCInfoTreeItem alloc]
 474                     initWithName: [NSString stringWithUTF8String:
 475                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
 476                         value: [NSString stringWithUTF8String:
 477                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
 478                         ID: i
 479                         parent: self]];
 480                 }
 481                 vlc_mutex_unlock( &p_item->input.lock );
 482             }
 483             else
 484             {
 485                 o_children = IsALeafNode;
 486             }
 487         }
 488     }
 489     return o_children;
 490 }
 491
 492 - (NSString *)getName
 493 {
 494     return o_name;
 495 }
 496
 497 - (NSString *)getValue
 498 {
 499     return o_value;
 500 }
 501
 502 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 503     return [[self children] objectAtIndex:i_index];
 504 }
 505
 506 - (int)numberOfChildren {
 507     id i_tmp = [self children];
 508     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 509 }
 510
 511 /*- (int)selectedPlaylistItem
 512 {
 513     return i_item;
 514 }
 515 */
 516 - (void)refresh
 517 {
 518     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 519     if( o_children != NULL )
 520     {
 521         [o_children release];
 522         o_children = NULL;
 523     }
 524 }
 525
 526 @end
 527