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     char *psz_temp;
 185     vlc_mutex_lock( &p_item->input.lock );
 186
 187     /* fill uri / title / author info */
 188     if( p_item->input.psz_uri )
 189     {
 190         [o_uri_txt setStringValue:
 191             ([NSString stringWithUTF8String:p_item->input.psz_uri] == nil ) ?
 192             [NSString stringWithCString:p_item->input.psz_uri] :
 193             [NSString stringWithUTF8String:p_item->input.psz_uri]];
 194     }
 195
 196     if( p_item->input.psz_name )
 197     {
 198         [o_title_txt setStringValue:
 199             ([NSString stringWithUTF8String:p_item->input.psz_name] == nil ) ?
 200             [NSString stringWithCString:p_item->input.psz_name] :
 201             [NSString stringWithUTF8String:p_item->input.psz_name]];
 202     }
 203     vlc_mutex_unlock( &p_item->input.lock );
 204
 205     psz_temp = vlc_input_item_GetInfo( &p_item->input, _("Meta-information"), _("Artist") );
 206
 207     if( psz_temp )
 208     {
 209         [o_author_txt setStringValue: [NSString stringWithUTF8String: psz_temp]];
 210         free( psz_temp );
 211     }
 212
 213     /* fill the other fields */
 214     [self setMeta: VLC_META_GENRE forLabel: o_genre_txt];
 215     [self setMeta: VLC_META_COPYRIGHT forLabel: o_copyright_txt];
 216     [self setMeta: VLC_META_COLLECTION forLabel: o_collection_txt];
 217     [self setMeta: VLC_META_SEQ_NUM forLabel: o_seqNum_txt];
 218     [self setMeta: VLC_META_DESCRIPTION forLabel: o_description_txt];
 219     [self setMeta: VLC_META_RATING forLabel: o_rating_txt];
 220     [self setMeta: VLC_META_DATE forLabel: o_date_txt];
 221     [self setMeta: VLC_META_LANGUAGE forLabel: o_language_txt];
 222     [self setMeta: VLC_META_NOW_PLAYING forLabel: o_nowPlaying_txt];
 223     [self setMeta: VLC_META_PUBLISHER forLabel: o_publisher_txt];
 224
 225     /* reload the advanced table */
 226     [[VLCInfoTreeItem rootItem] refresh];
 227     [o_outline_view reloadData];
 228
 229     /* updating the stats isn't our job, but is done by the timer if needed */
 230 }
 231
 232 - (void)setMeta: (char *)meta forLabel: (id)theItem
 233 {
 234     char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
 235         _(VLC_META_INFO_CAT), _(meta) );
 236     if( psz_meta != NULL && *psz_meta)
 237         [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
 238     else
 239         [theItem setStringValue: @"-"];
 240 }
 241
 242 - (void)updateStatistics:(NSTimer*)theTimer
 243 {
 244     if( [self isItemInPlaylist: p_item] )
 245     {
 246         /* we can only do that if there's a valid input around */
 247
 248         vlc_mutex_lock( &p_item->input.p_stats->lock );
 249
 250         /* input */
 251         [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
 252             @"%8.0f kB", (float)(p_item->input.p_stats->i_read_bytes)/1000]];
 253         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
 254             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_input_bitrate)*8000]];
 255         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
 256             @"%8.0f kB", (float)(p_item->input.p_stats->i_demux_read_bytes)/1000]];
 257         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
 258             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_demux_bitrate)*8000]];
 259
 260         /* Video */
 261         [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 262             p_item->input.p_stats->i_decoded_video]];
 263         [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 264             p_item->input.p_stats->i_displayed_pictures]];
 265         [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 266             p_item->input.p_stats->i_lost_pictures]];
 267
 268         /* Sout */
 269         [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 270             p_item->input.p_stats->i_sent_packets]];
 271         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
 272             (float)(p_item->input.p_stats->i_sent_bytes)/1000]];
 273         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
 274             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_send_bitrate*8)*1000]];
 275
 276         /* Audio */
 277         [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 278             p_item->input.p_stats->i_decoded_audio]];
 279         [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 280             p_item->input.p_stats->i_played_abuffers]];
 281         [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 282             p_item->input.p_stats->i_lost_abuffers]];
 283
 284         vlc_mutex_unlock( &p_item->input.p_stats->lock );
 285     }
 286 }
 287
 288 - (IBAction)infoCancel:(id)sender
 289 {
 290     [self windowShouldClose: nil];
 291     [o_info_window orderOut: self];
 292 }
 293
 294
 295 - (IBAction)infoOk:(id)sender
 296 {
 297     intf_thread_t * p_intf = VLCIntf;
 298     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 299                                           FIND_ANYWHERE );
 300     vlc_value_t val;
 301
 302     if( [self isItemInPlaylist: p_item] )
 303     {
 304         vlc_mutex_lock( &p_item->input.lock );
 305
 306         p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
 307         p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
 308         vlc_mutex_unlock( &p_item->input.lock );
 309         vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
 310
 311         val.b_bool = VLC_TRUE;
 312         var_Set( p_playlist, "intf-change", val );
 313     }
 314     vlc_object_release( p_playlist );
 315     [self windowShouldClose: nil];
 316     [o_info_window orderOut: self];
 317 }
 318
 319 - (playlist_item_t *)getItem
 320 {
 321     return p_item;
 322 }
 323
 324 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 325 {
 326     intf_thread_t * p_intf = VLCIntf;
 327     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 328                                           FIND_ANYWHERE );
 329     int i;
 330
 331     if( p_playlist == NULL )
 332     {
 333         return NO;
 334     }
 335
 336     for( i = 0 ; i < p_playlist->i_all_size ; i++ )
 337     {
 338         if( p_playlist->pp_all_items[i] == p_local_item )
 339         {
 340             vlc_object_release( p_playlist );
 341             return YES;
 342         }
 343     }
 344     vlc_object_release( p_playlist );
 345     return NO;
 346 }
 347
 348 - (BOOL)windowShouldClose:(id)sender
 349 {
 350     if( o_statUpdateTimer )
 351     {
 352         [o_statUpdateTimer invalidate];
 353         [o_statUpdateTimer release];
 354     }
 355     return YES;
 356 }
 357
 358 @end
 359
 360 @implementation VLCInfo (NSMenuValidation)
 361
 362 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 363 {
 364     BOOL bEnabled = TRUE;
 365
 366     intf_thread_t * p_intf = VLCIntf;
 367     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 368                                                        FIND_ANYWHERE );
 369
 370     if( [[o_mi title] isEqualToString: _NS("Information")] )
 371     {
 372         if( p_input == NULL )
 373         {
 374             bEnabled = FALSE;
 375         }
 376     }
 377     if( p_input ) vlc_object_release( p_input );
 378
 379     return( bEnabled );
 380 }
 381
 382 @end
 383
 384 @implementation VLCInfo (NSTableDataSource)
 385
 386 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 387 {
 388     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 389 }
 390
 391 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 392     return ([item numberOfChildren] > 0);
 393 }
 394
 395 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 396 {
 397     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
 398 }
 399
 400 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 401 {
 402     if ([[tableColumn identifier] isEqualToString:@"0"])
 403     {
 404         return (item == nil) ? @"" : (id)[item getName];
 405     }
 406     else
 407     {
 408         return (item == nil) ? @"" : (id)[item getValue];
 409     }
 410 }
 411
 412
 413 @end
 414
 415 @implementation VLCInfoTreeItem
 416
 417 static VLCInfoTreeItem *o_root_item = nil;
 418
 419 #define IsALeafNode ((id)-1)
 420
 421 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 422 {
 423     self = [super init];
 424
 425     if( self != nil )
 426     {
 427         o_name = [o_item_name copy];
 428         o_value = [o_item_value copy];
 429         i_object_id = i_id;
 430         o_parent = o_parent_item;
 431         if( [[VLCMain sharedInstance] getInfo] != nil )
 432             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 433         else
 434             p_item = NULL;
 435     }
 436     return( self );
 437 }
 438
 439 + (VLCInfoTreeItem *)rootItem {
 440     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 441     return o_root_item;
 442 }
 443
 444 - (void)dealloc
 445 {
 446     if( o_children != IsALeafNode ) [o_children release];
 447     [o_name release];
 448     [super dealloc];
 449 }
 450
 451 /* Creates and returns the array of children
 452  * Loads children incrementally */
 453 - (NSArray *)children
 454 {
 455     if (o_children == NULL)
 456     {
 457         int i;
 458
 459         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 460         {
 461             if( self == o_root_item )
 462             {
 463                 vlc_mutex_lock( &p_item->input.lock );
 464                 o_children = [[NSMutableArray alloc] initWithCapacity:
 465                                                 p_item->input.i_categories];
 466                 for (i = 0 ; i < p_item->input.i_categories ; i++)
 467                 {
 468                     [o_children addObject:[[VLCInfoTreeItem alloc]
 469                         initWithName: [NSString stringWithUTF8String:
 470                             p_item->input.pp_categories[i]->psz_name]
 471                         value: @""
 472                         ID: i
 473                         parent: self]];
 474                 }
 475                 vlc_mutex_unlock( &p_item->input.lock );
 476             }
 477             else if( o_parent == o_root_item )
 478             {
 479                 vlc_mutex_lock( &p_item->input.lock );
 480                 o_children = [[NSMutableArray alloc] initWithCapacity:
 481                     p_item->input.pp_categories[i_object_id]->i_infos];
 482
 483                 for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
 484                 {
 485                     [o_children addObject:[[VLCInfoTreeItem alloc]
 486                     initWithName: [NSString stringWithUTF8String:
 487                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
 488                         value: [NSString stringWithUTF8String:
 489                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
 490                         ID: i
 491                         parent: self]];
 492                 }
 493                 vlc_mutex_unlock( &p_item->input.lock );
 494             }
 495             else
 496             {
 497                 o_children = IsALeafNode;
 498             }
 499         }
 500     }
 501     return o_children;
 502 }
 503
 504 - (NSString *)getName
 505 {
 506     return o_name;
 507 }
 508
 509 - (NSString *)getValue
 510 {
 511     return o_value;
 512 }
 513
 514 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 515     return [[self children] objectAtIndex:i_index];
 516 }
 517
 518 - (int)numberOfChildren {
 519     id i_tmp = [self children];
 520     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 521 }
 522
 523 /*- (int)selectedPlaylistItem
 524 {
 525     return i_item;
 526 }
 527 */
 528 - (void)refresh
 529 {
 530     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 531     if( o_children != NULL )
 532     {
 533         [o_children release];
 534         o_children = NULL;
 535     }
 536 }
 537
 538 @end
 539