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 - (IBAction)togglePlaylistInfoPanel:(id)sender
 102 {
 103     if( [o_info_window isVisible] )
 104     {
 105         [o_info_window orderOut: sender];
 106     }
 107     else
 108     {
 109         p_item = [[[VLCMain sharedInstance] getPlaylist] selectedPlaylistItem];
 110         [self initPanel:sender];
 111     }
 112 }
 113
 114 - (IBAction)toggleInfoPanel:(id)sender
 115 {
 116     if( [o_info_window isVisible] )
 117     {
 118         [o_statUpdateTimer invalidate];
 119         [o_info_window orderOut: sender];
 120     }
 121     else
 122     {
 123         intf_thread_t * p_intf = VLCIntf;
 124         playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 125                                           FIND_ANYWHERE );
 126
 127         if( p_playlist )
 128         {
 129             p_item = p_playlist->status.p_item;
 130             vlc_object_release( p_playlist );
 131         }
 132         o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1 \
 133             target: self selector: @selector(updateStatistics:) \
 134             userInfo: nil repeats: YES];
 135         [o_statUpdateTimer fire];
 136         [o_statUpdateTimer retain];
 137
 138         [self initPanel:sender];
 139     }
 140 }
 141
 142 - (void)initPanel:(id)sender
 143 {
 144     /* check whether our item is valid, because we would crash if not */
 145     if(! [self isItemInPlaylist: p_item] )
 146         return;
 147
 148     char *psz_temp;
 149     vlc_mutex_lock( &p_item->input.lock );
 150
 151     /* fill uri / title / author info */
 152     if( p_item->input.psz_uri )
 153     {
 154         [o_uri_txt setStringValue:
 155             ([NSString stringWithUTF8String:p_item->input.psz_uri] == nil ) ?
 156             [NSString stringWithCString:p_item->input.psz_uri] :
 157             [NSString stringWithUTF8String:p_item->input.psz_uri]];
 158     }
 159
 160     if( p_item->input.psz_name )
 161     {
 162         [o_title_txt setStringValue:
 163             ([NSString stringWithUTF8String:p_item->input.psz_name] == nil ) ?
 164             [NSString stringWithCString:p_item->input.psz_name] :
 165             [NSString stringWithUTF8String:p_item->input.psz_name]];
 166     }
 167     vlc_mutex_unlock( &p_item->input.lock );
 168
 169     psz_temp = vlc_input_item_GetInfo( &p_item->input, _("Meta-information"), _("Artist") );
 170
 171     if( psz_temp )
 172     {
 173         [o_author_txt setStringValue: [NSString stringWithUTF8String: psz_temp]];
 174         free( psz_temp );
 175     }
 176
 177     /* fill the other fields */
 178     [self setMeta: VLC_META_GENRE forLabel: o_genre_txt];
 179     [self setMeta: VLC_META_COPYRIGHT forLabel: o_copyright_txt];
 180     [self setMeta: VLC_META_COLLECTION forLabel: o_collection_txt];
 181     [self setMeta: VLC_META_SEQ_NUM forLabel: o_seqNum_txt];
 182     [self setMeta: VLC_META_DESCRIPTION forLabel: o_description_txt];
 183     [self setMeta: VLC_META_RATING forLabel: o_rating_txt];
 184     [self setMeta: VLC_META_DATE forLabel: o_date_txt];
 185     [self setMeta: VLC_META_LANGUAGE forLabel: o_language_txt];
 186     [self setMeta: VLC_META_NOW_PLAYING forLabel: o_nowPlaying_txt];
 187     [self setMeta: VLC_META_PUBLISHER forLabel: o_publisher_txt];
 188
 189     /* reload the advanced table */
 190     [[VLCInfoTreeItem rootItem] refresh];
 191     [o_outline_view reloadData];
 192
 193     [self updateStatistics: nil];
 194
 195     [o_info_window makeKeyAndOrderFront: sender];
 196 }
 197
 198 - (void)setMeta: (char *)meta forLabel: (id)theItem
 199 {
 200     char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
 201         _(VLC_META_INFO_CAT), _(meta) );
 202     if( psz_meta != NULL && *psz_meta)
 203         [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
 204     else
 205         [theItem setStringValue: @"-"];
 206 }
 207
 208 - (void)updateStatistics:(NSTimer*)theTimer
 209 {
 210     if( [self isItemInPlaylist: p_item] )
 211     {
 212         /* we can only do that if there's a valid input around */
 213
 214         vlc_mutex_lock( &p_item->input.p_stats->lock );
 215
 216         /* input */
 217         [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
 218             @"%8.0f kB", (float)(p_item->input.p_stats->i_read_bytes)/1000]];
 219         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
 220             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_input_bitrate)*8000]];
 221         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
 222             @"%8.0f kB", (float)(p_item->input.p_stats->i_demux_read_bytes)/1000]];
 223         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
 224             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_demux_bitrate)*8000]];
 225
 226         /* Video */
 227         [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 228             p_item->input.p_stats->i_decoded_video]];
 229         [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 230             p_item->input.p_stats->i_displayed_pictures]];
 231         [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 232             p_item->input.p_stats->i_lost_pictures]];
 233
 234         /* Sout */
 235         [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 236             p_item->input.p_stats->i_sent_packets]];
 237         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
 238             (float)(p_item->input.p_stats->i_sent_bytes)/1000]];
 239         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
 240             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_send_bitrate*8)*1000]];
 241
 242         /* Audio */
 243         [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 244             p_item->input.p_stats->i_decoded_audio]];
 245         [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 246             p_item->input.p_stats->i_played_abuffers]];
 247         [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 248             p_item->input.p_stats->i_lost_abuffers]];
 249
 250         vlc_mutex_unlock( &p_item->input.p_stats->lock );
 251     }
 252 }
 253
 254 - (IBAction)infoCancel:(id)sender
 255 {
 256     [o_info_window orderOut: self];
 257 }
 258
 259
 260 - (IBAction)infoOk:(id)sender
 261 {
 262     intf_thread_t * p_intf = VLCIntf;
 263     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 264                                           FIND_ANYWHERE );
 265     vlc_value_t val;
 266
 267     if( [self isItemInPlaylist: p_item] )
 268     {
 269         vlc_mutex_lock( &p_item->input.lock );
 270
 271         p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
 272         p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
 273         vlc_mutex_unlock( &p_item->input.lock );
 274         vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
 275
 276         val.b_bool = VLC_TRUE;
 277         var_Set( p_playlist, "intf-change", val );
 278     }
 279     vlc_object_release( p_playlist );
 280     [o_info_window orderOut: self];
 281 }
 282
 283 - (playlist_item_t *)getItem
 284 {
 285     return p_item;
 286 }
 287
 288 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 289 {
 290     intf_thread_t * p_intf = VLCIntf;
 291     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 292                                           FIND_ANYWHERE );
 293     int i;
 294
 295     if( p_playlist == NULL )
 296     {
 297         return NO;
 298     }
 299
 300     for( i = 0 ; i < p_playlist->i_size ; i++ )
 301     {
 302         if( p_playlist->pp_items[i] == p_local_item )
 303         {
 304             vlc_object_release( p_playlist );
 305             return YES;
 306         }
 307     }
 308     vlc_object_release( p_playlist );
 309     return NO;
 310 }
 311
 312 @end
 313
 314 @implementation VLCInfo (NSMenuValidation)
 315
 316 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 317 {
 318     BOOL bEnabled = TRUE;
 319
 320     intf_thread_t * p_intf = VLCIntf;
 321     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 322                                                        FIND_ANYWHERE );
 323
 324     if( [[o_mi title] isEqualToString: _NS("Info")] )
 325     {
 326         if( p_input == NULL )
 327         {
 328             bEnabled = FALSE;
 329         }
 330     }
 331     if( p_input ) vlc_object_release( p_input );
 332
 333     return( bEnabled );
 334 }
 335
 336 @end
 337
 338 @implementation VLCInfo (NSTableDataSource)
 339
 340 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 341 {
 342     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 343 }
 344
 345 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 346     return ([item numberOfChildren] > 0);
 347 }
 348
 349 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 350 {
 351     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
 352 }
 353
 354 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 355 {
 356     if ([[tableColumn identifier] isEqualToString:@"0"])
 357     {
 358         return (item == nil) ? @"" : (id)[item getName];
 359     }
 360     else
 361     {
 362         return (item == nil) ? @"" : (id)[item getValue];
 363     }
 364 }
 365
 366
 367 @end
 368
 369 @implementation VLCInfoTreeItem
 370
 371 static VLCInfoTreeItem *o_root_item = nil;
 372
 373 #define IsALeafNode ((id)-1)
 374
 375 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 376 {
 377     self = [super init];
 378
 379     if( self != nil )
 380     {
 381         o_name = [o_item_name copy];
 382         o_value = [o_item_value copy];
 383         i_object_id = i_id;
 384         o_parent = o_parent_item;
 385         if( [[VLCMain sharedInstance] getInfo] != nil )
 386             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 387         else
 388             p_item = NULL;
 389     }
 390     return( self );
 391 }
 392
 393 + (VLCInfoTreeItem *)rootItem {
 394     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 395     return o_root_item;
 396 }
 397
 398 - (void)dealloc
 399 {
 400     if( o_children != IsALeafNode ) [o_children release];
 401     [o_name release];
 402     [super dealloc];
 403 }
 404
 405 /* Creates and returns the array of children
 406  * Loads children incrementally */
 407 - (NSArray *)children
 408 {
 409     if (o_children == NULL)
 410     {
 411         int i;
 412
 413         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 414         {
 415             if( self == o_root_item )
 416             {
 417                 vlc_mutex_lock( &p_item->input.lock );
 418                 o_children = [[NSMutableArray alloc] initWithCapacity:
 419                                                 p_item->input.i_categories];
 420                 for (i = 0 ; i < p_item->input.i_categories ; i++)
 421                 {
 422                     [o_children addObject:[[VLCInfoTreeItem alloc]
 423                         initWithName: [NSString stringWithUTF8String:
 424                             p_item->input.pp_categories[i]->psz_name]
 425                         value: @""
 426                         ID: i
 427                         parent: self]];
 428                 }
 429                 vlc_mutex_unlock( &p_item->input.lock );
 430             }
 431             else if( o_parent == o_root_item )
 432             {
 433                 vlc_mutex_lock( &p_item->input.lock );
 434                 o_children = [[NSMutableArray alloc] initWithCapacity:
 435                     p_item->input.pp_categories[i_object_id]->i_infos];
 436
 437                 for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
 438                 {
 439                     [o_children addObject:[[VLCInfoTreeItem alloc]
 440                     initWithName: [NSString stringWithUTF8String:
 441                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
 442                         value: [NSString stringWithUTF8String:
 443                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
 444                         ID: i
 445                         parent: self]];
 446                 }
 447                 vlc_mutex_unlock( &p_item->input.lock );
 448             }
 449             else
 450             {
 451                 o_children = IsALeafNode;
 452             }
 453         }
 454     }
 455     return o_children;
 456 }
 457
 458 - (NSString *)getName
 459 {
 460     return o_name;
 461 }
 462
 463 - (NSString *)getValue
 464 {
 465     return o_value;
 466 }
 467
 468 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 469     return [[self children] objectAtIndex:i_index];
 470 }
 471
 472 - (int)numberOfChildren {
 473     id i_tmp = [self children];
 474     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 475 }
 476
 477 /*- (int)selectedPlaylistItem
 478 {
 479     return i_item;
 480 }
 481 */
 482 - (void)refresh
 483 {
 484     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 485     if( o_children != NULL )
 486     {
 487         [o_children release];
 488         o_children = NULL;
 489     }
 490 }
 491
 492 @end
 493