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

   1 /*****************************************************************************
   2  r playlistinfo.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2009 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Benjamin Pracht <bigben at videolan dot org>
   8  *          Felix Paul 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 #import "CompatibilityFixes.h"
  30 #import "intf.h"
  31 #import "playlistinfo.h"
  32 #import "playlist.h"
  33 #import <vlc_url.h>
  34
  35 /*****************************************************************************
  36  * VLCPlaylistInfo Implementation
  37  *****************************************************************************/
  38
  39 @implementation VLCInfo
  40
  41 static VLCInfo *_o_sharedInstance = nil;
  42
  43 + (VLCInfo *)sharedInstance
  44 {
  45     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  46 }
  47
  48 - (id)init
  49 {
  50     if( _o_sharedInstance )
  51     {
  52         [self dealloc];
  53     }
  54     else
  55     {
  56         _o_sharedInstance = [super init];
  57
  58         if( _o_sharedInstance != nil )
  59         {
  60             p_item = NULL;
  61             [self updatePanelWithItem: NULL];
  62             rootItem = [[VLCInfoTreeItem alloc] init];
  63         }
  64     }
  65
  66     return _o_sharedInstance;
  67 }
  68
  69 - (void)awakeFromNib
  70 {
  71     [o_info_window setExcludedFromWindowsMenu: YES];
  72     [o_info_window setFloatingPanel: NO];
  73     if (OSX_LION)
  74         [o_info_window setCollectionBehavior: NSWindowCollectionBehaviorFullScreenAuxiliary];
  75
  76     [o_info_window setTitle: _NS("Media Information")];
  77     [o_uri_lbl setStringValue: _NS("Location")];
  78     [o_title_lbl setStringValue: _NS("Title")];
  79     [o_author_lbl setStringValue: _NS("Artist")];
  80     [o_saveMetaData_btn setStringValue: _NS("Save Metadata" )];
  81
  82     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
  83     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Codec Details")];
  84     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
  85     [o_tab_view selectTabViewItemAtIndex: 0];
  86
  87     /* constants defined in vlc_meta.h */
  88     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
  89     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
  90     [o_collection_lbl setStringValue: _NS(VLC_META_ALBUM)];
  91     [o_seqNum_lbl setStringValue: _NS(VLC_META_TRACK_NUMBER)];
  92     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
  93     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
  94     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
  95     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
  96     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
  97     [o_encodedby_lbl setStringValue: _NS(VLC_META_ENCODED_BY)];
  98
  99     /* statistics */
 100     [o_input_lbl setStringValue: _NS("Input")];
 101     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
 102     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
 103     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
 104     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
 105
 106     [o_video_lbl setStringValue: _NS("Video")];
 107     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
 108     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
 109     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
 110
 111     [o_sout_lbl setStringValue: _NS("Streaming")];
 112     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
 113     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
 114     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
 115
 116     [o_audio_lbl setStringValue: _NS("Audio")];
 117     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
 118     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
 119     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
 120
 121     [o_info_window setInitialFirstResponder: o_uri_txt];
 122     [o_info_window setDelegate: self];
 123
 124     /* We may be awoken from nib way after initialisation
 125      * Update ourselves */
 126     [self updatePanelWithItem:p_item];
 127 }
 128
 129
 130 - (void)dealloc
 131 {
 132     [rootItem release];
 133
 134     if( p_item ) vlc_gc_decref( p_item );
 135
 136     [super dealloc];
 137 }
 138
 139 - (void)initPanel
 140 {
 141     BOOL b_stats = config_GetInt(VLCIntf, "stats");
 142     if( !b_stats )
 143     {
 144         if( [o_tab_view numberOfTabViewItems] > 2 )
 145             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
 146     }
 147
 148     [self initMediaPanelStats];
 149     [o_info_window makeKeyAndOrderFront: self];
 150 }
 151
 152 - (void)initMediaPanelStats
 153 {
 154     //Initializing Input Variables
 155     [o_read_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f KiB", (float)0]];
 156     [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 157     [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f KiB", (float)0]];
 158     [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 159
 160     //Initializing Video Variables
 161     [o_video_decoded_txt setIntValue:0];
 162     [o_displayed_txt setIntValue:0];
 163     [o_lost_frames_txt setIntValue:0];
 164
 165     //Initializing Output Variables
 166     [o_sent_packets_txt setIntValue: 0];
 167     [o_sent_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f KiB", (float)0]];
 168     [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 169
 170     //Initializing Audio Variables
 171     [o_audio_decoded_txt setIntValue:0];
 172     [o_played_abuffers_txt setIntValue: 0];
 173     [o_lost_abuffers_txt setIntValue: 0];
 174
 175 }
 176
 177 - (void)updatePanelWithItem:(input_item_t *)_p_item;
 178 {
 179     NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 180     if( _p_item != p_item )
 181     {
 182         if( p_item ) vlc_gc_decref( p_item );
 183         [o_saveMetaData_btn setEnabled: NO];
 184         if( _p_item ) vlc_gc_incref( _p_item );
 185         p_item = _p_item;
 186     }
 187
 188     if( !p_item )
 189     {
 190         /* Erase */
 191     #define SET( foo ) \
 192         [self setMeta: "" forLabel: o_##foo##_txt];
 193         SET( uri );
 194         SET( title );
 195         SET( author );
 196         SET( collection );
 197         SET( seqNum );
 198         SET( genre );
 199         SET( copyright );
 200         SET( publisher );
 201         SET( nowPlaying );
 202         SET( language );
 203         SET( date );
 204         SET( description );
 205         SET( encodedby );
 206     #undef SET
 207         [o_image_well setImage: [NSImage imageNamed: @"noart.png"]];
 208     }
 209     else
 210     {
 211         if( !input_item_IsPreparsed( p_item ) )
 212         {
 213             playlist_PreparseEnqueue( pl_Get( VLCIntf ), p_item );
 214         }
 215
 216         /* fill uri info */
 217         char * psz_url = decode_URI( input_item_GetURI( p_item ) );
 218         [o_uri_txt setStringValue: [NSString stringWithUTF8String: psz_url ? psz_url : ""]];
 219         free( psz_url );
 220
 221         /* fill title info */
 222         char * psz_title = input_item_GetTitle( p_item );
 223         if( !psz_title )
 224             psz_title = input_item_GetName( p_item );
 225         [o_title_txt setStringValue: [NSString stringWithUTF8String: psz_title ? : ""  ]];
 226         free( psz_title );
 227
 228     #define SET( foo, bar ) \
 229         char *psz_##foo = input_item_Get##bar ( p_item ); \
 230         [self setMeta: psz_##foo forLabel: o_##foo##_txt]; \
 231         FREENULL( psz_##foo );
 232
 233         /* fill the other fields */
 234         SET( author, Artist );
 235         SET( collection, Album );
 236         SET( seqNum, TrackNum );
 237         SET( genre, Genre );
 238         SET( copyright, Copyright );
 239         SET( publisher, Publisher );
 240         SET( nowPlaying, NowPlaying );
 241         SET( language, Language );
 242         SET( date, Date );
 243         SET( description, Description );
 244         SET( encodedby, EncodedBy );
 245
 246     #undef SET
 247
 248         char *psz_meta;
 249         NSImage *o_image;
 250         psz_meta = input_item_GetArtURL( p_item );
 251
 252         /* FIXME Can also be attachment:// */
 253         if( psz_meta && strncmp( psz_meta, "attachment://", 13 ) )
 254             o_image = [[NSImage alloc] initWithContentsOfURL: [NSURL URLWithString:[NSString stringWithUTF8String: psz_meta]]];
 255         else
 256             o_image = [[NSImage imageNamed: @"noart.png"] retain];
 257         [o_image_well setImage: o_image];
 258         [o_image release];
 259         FREENULL( psz_meta );
 260     }
 261
 262     /* reload the advanced table */
 263     [rootItem refresh];
 264     [o_outline_view reloadData];
 265
 266     /* update the stats once to display p_item change faster */
 267     [self updateStatistics];
 268     [o_pool release];
 269 }
 270
 271 - (void)setMeta: (char *)psz_meta forLabel: (id)theItem
 272 {
 273     if( psz_meta != NULL && *psz_meta)
 274         [theItem setStringValue: [NSString stringWithUTF8String:psz_meta]];
 275     else
 276         [theItem setStringValue: @""];
 277 }
 278
 279 - (void)updateStatistics
 280 {
 281     if ([o_info_window isVisible])
 282     {
 283         if( !p_item || !p_item->p_stats )
 284         {
 285             [self initMediaPanelStats];
 286             return;
 287         }
 288
 289         vlc_mutex_lock( &p_item->p_stats->lock );
 290
 291         /* input */
 292         [o_read_bytes_txt setStringValue: [NSString stringWithFormat:
 293             @"%8.0f KiB", (float)(p_item->p_stats->i_read_bytes)/1024]];
 294         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:
 295             @"%6.0f kb/s", (float)(p_item->p_stats->f_input_bitrate)*8000]];
 296         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:
 297             @"%8.0f KiB", (float)(p_item->p_stats->i_demux_read_bytes)/1024]];
 298         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:
 299             @"%6.0f kb/s", (float)(p_item->p_stats->f_demux_bitrate)*8000]];
 300
 301         /* Video */
 302         [o_video_decoded_txt setIntValue: p_item->p_stats->i_decoded_video];
 303         [o_displayed_txt setIntValue: p_item->p_stats->i_displayed_pictures];
 304         [o_lost_frames_txt setIntValue: p_item->p_stats->i_lost_pictures];
 305
 306         /* Sout */
 307         [o_sent_packets_txt setIntValue: p_item->p_stats->i_sent_packets];
 308         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f KiB",
 309             (float)(p_item->p_stats->i_sent_bytes)/1024]];
 310         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:
 311             @"%6.0f kb/s", (float)(p_item->p_stats->f_send_bitrate*8)*1000]];
 312
 313         /* Audio */
 314         [o_audio_decoded_txt setIntValue: p_item->p_stats->i_decoded_audio];
 315         [o_played_abuffers_txt setIntValue: p_item->p_stats->i_played_abuffers];
 316         [o_lost_abuffers_txt setIntValue: p_item->p_stats->i_lost_abuffers];
 317
 318         vlc_mutex_unlock( &p_item->p_stats->lock );
 319     }
 320 }
 321
 322 - (IBAction)metaFieldChanged:(id)sender
 323 {
 324     [o_saveMetaData_btn setEnabled: YES];
 325 }
 326
 327 - (IBAction)saveMetaData:(id)sender
 328 {
 329     if( !p_item ) goto error;
 330
 331     #define utf8( o_blub ) \
 332         [[o_blub stringValue] UTF8String]
 333
 334     input_item_SetName( p_item, utf8( o_title_txt ) );
 335     input_item_SetTitle( p_item, utf8( o_title_txt ) );
 336     input_item_SetArtist( p_item, utf8( o_author_txt ) );
 337     input_item_SetAlbum( p_item, utf8( o_collection_txt ) );
 338     input_item_SetGenre( p_item, utf8( o_genre_txt ) );
 339     input_item_SetTrackNum( p_item, utf8( o_seqNum_txt ) );
 340     input_item_SetDate( p_item, utf8( o_date_txt ) );
 341     input_item_SetCopyright( p_item, utf8( o_copyright_txt ) );
 342     input_item_SetPublisher( p_item, utf8( o_publisher_txt ) );
 343     input_item_SetDescription( p_item, utf8( o_description_txt ) );
 344     input_item_SetLanguage( p_item, utf8( o_language_txt ) );
 345
 346     playlist_t * p_playlist = pl_Get( VLCIntf );
 347     input_item_WriteMeta( VLC_OBJECT(p_playlist), p_item );
 348
 349     var_SetBool( p_playlist, "intf-change", true );
 350     [self updatePanelWithItem: p_item];
 351
 352     [o_saveMetaData_btn setEnabled: NO];
 353     return;
 354
 355 error:
 356     NSRunAlertPanel(_NS("Error while saving meta"),
 357         _NS("VLC was unable to save the meta data."),
 358         _NS("OK"), nil, nil);
 359 }
 360
 361 - (IBAction)downloadCoverArt:(id)sender
 362 {
 363     playlist_t * p_playlist = pl_Get( VLCIntf );
 364     if( p_item) playlist_AskForArtEnqueue( p_playlist, p_item );
 365 }
 366
 367 - (input_item_t *)item
 368 {
 369     if( p_item ) vlc_gc_incref( p_item );
 370     return p_item;
 371 }
 372
 373 @end
 374
 375 @implementation VLCInfo (NSMenuValidation)
 376
 377 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 378 {
 379     BOOL bEnabled = TRUE;
 380
 381     if( [[o_mi title] isEqualToString: _NS("Information")] )
 382     {
 383         return ![[[VLCMain sharedInstance] playlist] isSelectionEmpty];
 384     }
 385
 386     return TRUE;
 387 }
 388
 389 @end
 390
 391 @implementation VLCInfo (NSTableDataSource)
 392
 393 - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 394 {
 395     return (item == nil) ? [rootItem numberOfChildren] : [item numberOfChildren];
 396 }
 397
 398 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 399     return ([item numberOfChildren] > 0);
 400 }
 401
 402 - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item
 403 {
 404     return (item == nil) ? [rootItem childAtIndex:index] : (id)[item childAtIndex:index];
 405 }
 406
 407 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 408 {
 409     if ([[tableColumn identifier] isEqualToString:@"0"])
 410     {
 411         return (item == nil) ? @"" : (id)[item name];
 412     }
 413     else
 414     {
 415         return (item == nil) ? @"" : (id)[item value];
 416     }
 417 }
 418
 419 @end
 420
 421 @implementation VLCInfoTreeItem
 422
 423 #define IsALeafNode ((id)-1)
 424
 425 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id
 426        parent:(VLCInfoTreeItem *)o_parent_item
 427 {
 428     self = [super init];
 429
 430     if( self != nil )
 431     {
 432         o_name = [o_item_name copy];
 433         o_value = [o_item_value copy];
 434         i_object_id = i_id;
 435         o_parent = o_parent_item;
 436         p_item = [[[VLCMain sharedInstance] info] item];
 437         o_children = nil;
 438     }
 439     return( self );
 440 }
 441
 442 - (id)init
 443 {
 444     return [self initWithName:@"main" value:@"" ID:-1 parent:nil];
 445 }
 446
 447 - (void)dealloc
 448 {
 449     if( o_children != IsALeafNode ) [o_children release];
 450     [o_name release];
 451     [o_value release];
 452     if( p_item ) vlc_gc_decref( p_item );
 453     [super dealloc];
 454 }
 455
 456 /* Creates and returns the array of children
 457  * Loads children incrementally */
 458 - (NSArray *)children
 459 {
 460     if( !p_item ) return nil;
 461
 462     if (o_children == NULL)
 463     {
 464         int i;
 465
 466         if( i_object_id == -1 )
 467         {
 468             vlc_mutex_lock( &p_item->lock );
 469             o_children = [[NSMutableArray alloc] initWithCapacity: p_item->i_categories];
 470             for (i = 0 ; i < p_item->i_categories ; i++)
 471             {
 472                 NSString * name = [NSString stringWithUTF8String: p_item->pp_categories[i]->psz_name];
 473                 VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:@"" ID:i parent:self];
 474                 [item autorelease];
 475                 [o_children addObject:item];
 476             }
 477             vlc_mutex_unlock( &p_item->lock );
 478         }
 479         else if( o_parent->i_object_id == -1 )
 480         {
 481             vlc_mutex_lock( &p_item->lock );
 482             info_category_t * cat = p_item->pp_categories[i_object_id];
 483             o_children = [[NSMutableArray alloc] initWithCapacity: cat->i_infos];
 484             for (i = 0 ; i < cat->i_infos ; i++)
 485             {
 486                 NSString * name = [NSString stringWithUTF8String: cat->pp_infos[i]->psz_name];
 487                 NSString * value = [NSString stringWithUTF8String: cat->pp_infos[i]->psz_value ? : ""];
 488                 VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:value ID:i parent:self];
 489                 [item autorelease];
 490                 [o_children addObject:item];
 491             }
 492             vlc_mutex_unlock( &p_item->lock );
 493         }
 494         else
 495         {
 496             o_children = IsALeafNode;
 497         }
 498     }
 499     return o_children;
 500 }
 501
 502 - (NSString *)name
 503 {
 504     return [[o_name retain] autorelease];
 505 }
 506
 507 - (NSString *)value
 508 {
 509     return [[o_value retain] autorelease];
 510 }
 511
 512 - (void)refresh
 513 {
 514     input_item_t * oldItem = p_item;
 515     p_item = [[[VLCMain sharedInstance] info] item];
 516     if( oldItem && oldItem != p_item ) vlc_gc_decref( oldItem );
 517
 518     [o_children release];
 519     o_children = nil;
 520 }
 521
 522 - (VLCInfoTreeItem *)childAtIndex:(NSUInteger)i_index {
 523     return [[self children] objectAtIndex:i_index];
 524 }
 525
 526 - (int)numberOfChildren {
 527
 528     id i_tmp = [self children];
 529     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 530 }
 531
 532 @end
 533