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         if( o_statUpdateTimer )
 119             [o_statUpdateTimer invalidate];
 120         [o_info_window orderOut: sender];
 121     }
 122     else
 123     {
 124         intf_thread_t * p_intf = VLCIntf;
 125         playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 126                                           FIND_ANYWHERE );
 127
 128         if( p_playlist )
 129         {
 130             p_item = p_playlist->status.p_item;
 131             vlc_object_release( p_playlist );
 132         }
 133
 134         BOOL b_stats = config_GetInt(VLCIntf, "stats");
 135         if( b_stats )
 136         {
 137             o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1 \
 138                 target: self selector: @selector(updateStatistics:) \
 139                 userInfo: nil repeats: YES];
 140             [o_statUpdateTimer fire];
 141             [o_statUpdateTimer retain];
 142         }
 143
 144         [self initPanel:sender];
 145     }
 146 }
 147
 148 - (void)initPanel:(id)sender
 149 {
 150     /* check whether our item is valid, because we would crash if not */
 151     if(! [self isItemInPlaylist: p_item] )
 152         return;
 153
 154     char *psz_temp;
 155     vlc_mutex_lock( &p_item->input.lock );
 156
 157     /* fill uri / title / author info */
 158     if( p_item->input.psz_uri )
 159     {
 160         [o_uri_txt setStringValue:
 161             ([NSString stringWithUTF8String:p_item->input.psz_uri] == nil ) ?
 162             [NSString stringWithCString:p_item->input.psz_uri] :
 163             [NSString stringWithUTF8String:p_item->input.psz_uri]];
 164     }
 165
 166     if( p_item->input.psz_name )
 167     {
 168         [o_title_txt setStringValue:
 169             ([NSString stringWithUTF8String:p_item->input.psz_name] == nil ) ?
 170             [NSString stringWithCString:p_item->input.psz_name] :
 171             [NSString stringWithUTF8String:p_item->input.psz_name]];
 172     }
 173     vlc_mutex_unlock( &p_item->input.lock );
 174
 175     psz_temp = vlc_input_item_GetInfo( &p_item->input, _("Meta-information"), _("Artist") );
 176
 177     if( psz_temp )
 178     {
 179         [o_author_txt setStringValue: [NSString stringWithUTF8String: psz_temp]];
 180         free( psz_temp );
 181     }
 182
 183     /* fill the other fields */
 184     [self setMeta: VLC_META_GENRE forLabel: o_genre_txt];
 185     [self setMeta: VLC_META_COPYRIGHT forLabel: o_copyright_txt];
 186     [self setMeta: VLC_META_COLLECTION forLabel: o_collection_txt];
 187     [self setMeta: VLC_META_SEQ_NUM forLabel: o_seqNum_txt];
 188     [self setMeta: VLC_META_DESCRIPTION forLabel: o_description_txt];
 189     [self setMeta: VLC_META_RATING forLabel: o_rating_txt];
 190     [self setMeta: VLC_META_DATE forLabel: o_date_txt];
 191     [self setMeta: VLC_META_LANGUAGE forLabel: o_language_txt];
 192     [self setMeta: VLC_META_NOW_PLAYING forLabel: o_nowPlaying_txt];
 193     [self setMeta: VLC_META_PUBLISHER forLabel: o_publisher_txt];
 194
 195     /* reload the advanced table */
 196     [[VLCInfoTreeItem rootItem] refresh];
 197     [o_outline_view reloadData];
 198
 199     BOOL b_stats = config_GetInt(VLCIntf, "stats");
 200     if(! b_stats )
 201     {
 202         if( [o_tab_view numberOfTabViewItems] > 2 )
 203             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
 204     }
 205     else
 206     {
 207         [self updateStatistics: nil];
 208     }
 209
 210     [o_info_window makeKeyAndOrderFront: sender];
 211 }
 212
 213 - (void)setMeta: (char *)meta forLabel: (id)theItem
 214 {
 215     char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
 216         _(VLC_META_INFO_CAT), _(meta) );
 217     if( psz_meta != NULL && *psz_meta)
 218         [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
 219     else
 220         [theItem setStringValue: @"-"];
 221 }
 222
 223 - (void)updateStatistics:(NSTimer*)theTimer
 224 {
 225     if( [self isItemInPlaylist: p_item] )
 226     {
 227         /* we can only do that if there's a valid input around */
 228
 229         vlc_mutex_lock( &p_item->input.p_stats->lock );
 230
 231         /* input */
 232         [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
 233             @"%8.0f kB", (float)(p_item->input.p_stats->i_read_bytes)/1000]];
 234         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
 235             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_input_bitrate)*8000]];
 236         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
 237             @"%8.0f kB", (float)(p_item->input.p_stats->i_demux_read_bytes)/1000]];
 238         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
 239             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_demux_bitrate)*8000]];
 240
 241         /* Video */
 242         [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 243             p_item->input.p_stats->i_decoded_video]];
 244         [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 245             p_item->input.p_stats->i_displayed_pictures]];
 246         [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 247             p_item->input.p_stats->i_lost_pictures]];
 248
 249         /* Sout */
 250         [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 251             p_item->input.p_stats->i_sent_packets]];
 252         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
 253             (float)(p_item->input.p_stats->i_sent_bytes)/1000]];
 254         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
 255             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_send_bitrate*8)*1000]];
 256
 257         /* Audio */
 258         [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 259             p_item->input.p_stats->i_decoded_audio]];
 260         [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 261             p_item->input.p_stats->i_played_abuffers]];
 262         [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
 263             p_item->input.p_stats->i_lost_abuffers]];
 264
 265         vlc_mutex_unlock( &p_item->input.p_stats->lock );
 266     }
 267 }
 268
 269 - (IBAction)infoCancel:(id)sender
 270 {
 271     [o_info_window orderOut: self];
 272 }
 273
 274
 275 - (IBAction)infoOk:(id)sender
 276 {
 277     intf_thread_t * p_intf = VLCIntf;
 278     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 279                                           FIND_ANYWHERE );
 280     vlc_value_t val;
 281
 282     if( [self isItemInPlaylist: p_item] )
 283     {
 284         vlc_mutex_lock( &p_item->input.lock );
 285
 286         p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
 287         p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
 288         vlc_mutex_unlock( &p_item->input.lock );
 289         vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
 290
 291         val.b_bool = VLC_TRUE;
 292         var_Set( p_playlist, "intf-change", val );
 293     }
 294     vlc_object_release( p_playlist );
 295     [o_info_window orderOut: self];
 296 }
 297
 298 - (playlist_item_t *)getItem
 299 {
 300     return p_item;
 301 }
 302
 303 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 304 {
 305     intf_thread_t * p_intf = VLCIntf;
 306     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 307                                           FIND_ANYWHERE );
 308     int i;
 309
 310     if( p_playlist == NULL )
 311     {
 312         return NO;
 313     }
 314
 315     for( i = 0 ; i < p_playlist->i_size ; i++ )
 316     {
 317         if( p_playlist->pp_items[i] == p_local_item )
 318         {
 319             vlc_object_release( p_playlist );
 320             return YES;
 321         }
 322     }
 323     vlc_object_release( p_playlist );
 324     return NO;
 325 }
 326
 327 @end
 328
 329 @implementation VLCInfo (NSMenuValidation)
 330
 331 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 332 {
 333     BOOL bEnabled = TRUE;
 334
 335     intf_thread_t * p_intf = VLCIntf;
 336     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 337                                                        FIND_ANYWHERE );
 338
 339     if( [[o_mi title] isEqualToString: _NS("Info")] )
 340     {
 341         if( p_input == NULL )
 342         {
 343             bEnabled = FALSE;
 344         }
 345     }
 346     if( p_input ) vlc_object_release( p_input );
 347
 348     return( bEnabled );
 349 }
 350
 351 @end
 352
 353 @implementation VLCInfo (NSTableDataSource)
 354
 355 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 356 {
 357     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 358 }
 359
 360 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 361     return ([item numberOfChildren] > 0);
 362 }
 363
 364 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 365 {
 366     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
 367 }
 368
 369 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 370 {
 371     if ([[tableColumn identifier] isEqualToString:@"0"])
 372     {
 373         return (item == nil) ? @"" : (id)[item getName];
 374     }
 375     else
 376     {
 377         return (item == nil) ? @"" : (id)[item getValue];
 378     }
 379 }
 380
 381
 382 @end
 383
 384 @implementation VLCInfoTreeItem
 385
 386 static VLCInfoTreeItem *o_root_item = nil;
 387
 388 #define IsALeafNode ((id)-1)
 389
 390 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 391 {
 392     self = [super init];
 393
 394     if( self != nil )
 395     {
 396         o_name = [o_item_name copy];
 397         o_value = [o_item_value copy];
 398         i_object_id = i_id;
 399         o_parent = o_parent_item;
 400         if( [[VLCMain sharedInstance] getInfo] != nil )
 401             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 402         else
 403             p_item = NULL;
 404     }
 405     return( self );
 406 }
 407
 408 + (VLCInfoTreeItem *)rootItem {
 409     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 410     return o_root_item;
 411 }
 412
 413 - (void)dealloc
 414 {
 415     if( o_children != IsALeafNode ) [o_children release];
 416     [o_name release];
 417     [super dealloc];
 418 }
 419
 420 /* Creates and returns the array of children
 421  * Loads children incrementally */
 422 - (NSArray *)children
 423 {
 424     if (o_children == NULL)
 425     {
 426         int i;
 427
 428         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 429         {
 430             if( self == o_root_item )
 431             {
 432                 vlc_mutex_lock( &p_item->input.lock );
 433                 o_children = [[NSMutableArray alloc] initWithCapacity:
 434                                                 p_item->input.i_categories];
 435                 for (i = 0 ; i < p_item->input.i_categories ; i++)
 436                 {
 437                     [o_children addObject:[[VLCInfoTreeItem alloc]
 438                         initWithName: [NSString stringWithUTF8String:
 439                             p_item->input.pp_categories[i]->psz_name]
 440                         value: @""
 441                         ID: i
 442                         parent: self]];
 443                 }
 444                 vlc_mutex_unlock( &p_item->input.lock );
 445             }
 446             else if( o_parent == o_root_item )
 447             {
 448                 vlc_mutex_lock( &p_item->input.lock );
 449                 o_children = [[NSMutableArray alloc] initWithCapacity:
 450                     p_item->input.pp_categories[i_object_id]->i_infos];
 451
 452                 for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
 453                 {
 454                     [o_children addObject:[[VLCInfoTreeItem alloc]
 455                     initWithName: [NSString stringWithUTF8String:
 456                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
 457                         value: [NSString stringWithUTF8String:
 458                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
 459                         ID: i
 460                         parent: self]];
 461                 }
 462                 vlc_mutex_unlock( &p_item->input.lock );
 463             }
 464             else
 465             {
 466                 o_children = IsALeafNode;
 467             }
 468         }
 469     }
 470     return o_children;
 471 }
 472
 473 - (NSString *)getName
 474 {
 475     return o_name;
 476 }
 477
 478 - (NSString *)getValue
 479 {
 480     return o_value;
 481 }
 482
 483 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 484     return [[self children] objectAtIndex:i_index];
 485 }
 486
 487 - (int)numberOfChildren {
 488     id i_tmp = [self children];
 489     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 490 }
 491
 492 /*- (int)selectedPlaylistItem
 493 {
 494     return i_item;
 495 }
 496 */
 497 - (void)refresh
 498 {
 499     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 500     if( o_children != NULL )
 501     {
 502         [o_children release];
 503         o_children = NULL;
 504     }
 505 }
 506
 507 @end
 508