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

   1 /*****************************************************************************
   2  r playlistinfo.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Benjamin Pracht <bigben at videolan dot org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #include "intf.h"
  29 #include "playlistinfo.h"
  30 #include "playlist.h"
  31
  32 /*****************************************************************************
  33  * VLCPlaylistInfo Implementation
  34  *****************************************************************************/
  35
  36 @implementation VLCInfo
  37
  38 - (id)init
  39 {
  40     self = [super init];
  41
  42     if( self != nil )
  43     {
  44         p_item = NULL;
  45     }
  46     return( self );
  47 }
  48
  49 - (void)awakeFromNib
  50 {
  51     [o_info_window setExcludedFromWindowsMenu: TRUE];
  52
  53     [o_info_window setTitle: _NS("Properties")];
  54     [o_uri_lbl setStringValue: _NS("URI")];
  55     [o_title_lbl setStringValue: _NS("Title")];
  56     [o_author_lbl setStringValue: _NS("Author")];
  57     [o_btn_ok setTitle: _NS("OK")];
  58     [o_btn_cancel setTitle: _NS("Cancel")];
  59
  60     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
  61     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Advanced Information")];
  62     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
  63     [o_tab_view selectTabViewItemAtIndex: 0];
  64
  65     /* constants defined in vlc_meta.h */
  66     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
  67     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
  68     [o_collection_lbl setStringValue: _NS(VLC_META_COLLECTION)];
  69     [o_seqNum_lbl setStringValue: _NS(VLC_META_SEQ_NUM)];
  70     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
  71     [o_rating_lbl setStringValue: _NS(VLC_META_RATING)];
  72     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
  73     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
  74     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
  75     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
  76 }
  77
  78 - (IBAction)togglePlaylistInfoPanel:(id)sender
  79 {
  80     if( [o_info_window isVisible] )
  81     {
  82         [o_info_window orderOut: sender];
  83     }
  84     else
  85     {
  86         p_item = [[[VLCMain sharedInstance] getPlaylist] selectedPlaylistItem];
  87         [self initPanel:sender];
  88     }
  89 }
  90
  91 - (IBAction)toggleInfoPanel:(id)sender
  92 {
  93     if( [o_info_window isVisible] )
  94     {
  95         [o_info_window orderOut: sender];
  96     }
  97     else
  98     {
  99         intf_thread_t * p_intf = VLCIntf;
 100         playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 101                                           FIND_ANYWHERE );
 102
 103         if( p_playlist )
 104         {
 105             p_item = p_playlist->status.p_item;
 106             vlc_object_release( p_playlist );
 107         }
 108         [self initPanel:sender];
 109     }
 110 }
 111
 112 - (void)initPanel:(id)sender
 113 {
 114     char *psz_temp;
 115     vlc_mutex_lock( &p_item->input.lock );
 116
 117     /*fill uri / title / author info */
 118     if( p_item->input.psz_uri )
 119     {
 120         [o_uri_txt setStringValue:
 121             ([NSString stringWithUTF8String:p_item->input.psz_uri] == nil ) ?
 122             [NSString stringWithCString:p_item->input.psz_uri] :
 123             [NSString stringWithUTF8String:p_item->input.psz_uri]];
 124     }
 125
 126     if( p_item->input.psz_name )
 127     {
 128         [o_title_txt setStringValue:
 129             ([NSString stringWithUTF8String:p_item->input.psz_name] == nil ) ?
 130             [NSString stringWithCString:p_item->input.psz_name] :
 131             [NSString stringWithUTF8String:p_item->input.psz_name]];
 132     }
 133     vlc_mutex_unlock( &p_item->input.lock );
 134
 135     psz_temp = vlc_input_item_GetInfo( &p_item->input, _("Meta-information"), _("Artist") );
 136
 137     if( psz_temp )
 138     {
 139         [o_author_txt setStringValue: [NSString stringWithUTF8String: psz_temp]];
 140         free( psz_temp );
 141     }
 142
 143     /* fill the other fields */
 144     [self setMeta: VLC_META_GENRE forLabel: o_genre_txt];
 145     [self setMeta: VLC_META_COPYRIGHT forLabel: o_copyright_txt];
 146     [self setMeta: VLC_META_COLLECTION forLabel: o_collection_txt];
 147     [self setMeta: VLC_META_SEQ_NUM forLabel: o_seqNum_txt];
 148     [self setMeta: VLC_META_DESCRIPTION forLabel: o_description_txt];
 149     [self setMeta: VLC_META_RATING forLabel: o_rating_txt];
 150     [self setMeta: VLC_META_DATE forLabel: o_date_txt];
 151     [self setMeta: VLC_META_LANGUAGE forLabel: o_language_txt];
 152     [self setMeta: VLC_META_NOW_PLAYING forLabel: o_nowPlaying_txt];
 153     [self setMeta: VLC_META_PUBLISHER forLabel: o_publisher_txt];
 154
 155     /* reload the advanced table */
 156     [[VLCInfoTreeItem rootItem] refresh];
 157     [o_outline_view reloadData];
 158
 159     [o_info_window makeKeyAndOrderFront: sender];
 160 }
 161
 162 - (void)setMeta: (char *)meta forLabel: (id)theItem
 163 {
 164     char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
 165         _(VLC_META_INFO_CAT), _(meta) );
 166     if( psz_meta != NULL && *psz_meta)
 167         [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
 168     else
 169         [theItem setStringValue: @"-"];
 170 }
 171
 172 - (IBAction)infoCancel:(id)sender
 173 {
 174     [o_info_window orderOut: self];
 175 }
 176
 177
 178 - (IBAction)infoOk:(id)sender
 179 {
 180     intf_thread_t * p_intf = VLCIntf;
 181     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 182                                           FIND_ANYWHERE );
 183     vlc_value_t val;
 184
 185     if( [self isItemInPlaylist: p_item] )
 186     {
 187         vlc_mutex_lock( &p_item->input.lock );
 188
 189         p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
 190         p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
 191         vlc_mutex_unlock( &p_item->input.lock );
 192         vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
 193
 194         val.b_bool = VLC_TRUE;
 195         var_Set( p_playlist, "intf-change", val );
 196     }
 197     vlc_object_release( p_playlist );
 198     [o_info_window orderOut: self];
 199 }
 200
 201 - (playlist_item_t *)getItem
 202 {
 203     return p_item;
 204 }
 205
 206 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 207 {
 208     intf_thread_t * p_intf = VLCIntf;
 209     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 210                                           FIND_ANYWHERE );
 211     int i;
 212
 213     if( p_playlist == NULL )
 214     {
 215         return NO;
 216     }
 217
 218     for( i = 0 ; i < p_playlist->i_size ; i++ )
 219     {
 220         if( p_playlist->pp_items[i] == p_local_item )
 221         {
 222             vlc_object_release( p_playlist );
 223             return YES;
 224         }
 225     }
 226     vlc_object_release( p_playlist );
 227     return NO;
 228 }
 229
 230 @end
 231
 232 @implementation VLCInfo (NSMenuValidation)
 233
 234 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 235 {
 236     BOOL bEnabled = TRUE;
 237
 238     intf_thread_t * p_intf = VLCIntf;
 239     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 240                                                        FIND_ANYWHERE );
 241
 242     if( [[o_mi title] isEqualToString: _NS("Info")] )
 243     {
 244         if( p_input == NULL )
 245         {
 246             bEnabled = FALSE;
 247         }
 248     }
 249     if( p_input ) vlc_object_release( p_input );
 250
 251     return( bEnabled );
 252 }
 253
 254 @end
 255
 256 @implementation VLCInfo (NSTableDataSource)
 257
 258 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 259 {
 260     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 261 }
 262
 263 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 264     return ([item numberOfChildren] > 0);
 265 }
 266
 267 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 268 {
 269     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
 270 }
 271
 272 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 273 {
 274     if ([[tableColumn identifier] isEqualToString:@"0"])
 275     {
 276         return (item == nil) ? @"" : (id)[item getName];
 277     }
 278     else
 279     {
 280         return (item == nil) ? @"" : (id)[item getValue];
 281     }
 282 }
 283
 284
 285 @end
 286
 287 @implementation VLCInfoTreeItem
 288
 289 static VLCInfoTreeItem *o_root_item = nil;
 290
 291 #define IsALeafNode ((id)-1)
 292
 293 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 294 {
 295     self = [super init];
 296
 297     if( self != nil )
 298     {
 299         o_name = [o_item_name copy];
 300         o_value = [o_item_value copy];
 301         i_object_id = i_id;
 302         o_parent = o_parent_item;
 303         if( [[VLCMain sharedInstance] getInfo] != nil )
 304             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 305         else
 306             p_item = NULL;
 307     }
 308     return( self );
 309 }
 310
 311 + (VLCInfoTreeItem *)rootItem {
 312     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 313     return o_root_item;
 314 }
 315
 316 - (void)dealloc
 317 {
 318     if( o_children != IsALeafNode ) [o_children release];
 319     [o_name release];
 320     [super dealloc];
 321 }
 322
 323 /* Creates and returns the array of children
 324  * Loads children incrementally */
 325 - (NSArray *)children
 326 {
 327     if (o_children == NULL)
 328     {
 329         int i;
 330
 331         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 332         {
 333             if( self == o_root_item )
 334             {
 335                 vlc_mutex_lock( &p_item->input.lock );
 336                 o_children = [[NSMutableArray alloc] initWithCapacity:
 337                                                 p_item->input.i_categories];
 338                 for (i = 0 ; i < p_item->input.i_categories ; i++)
 339                 {
 340                     [o_children addObject:[[VLCInfoTreeItem alloc]
 341                         initWithName: [NSString stringWithUTF8String:
 342                             p_item->input.pp_categories[i]->psz_name]
 343                         value: @""
 344                         ID: i
 345                         parent: self]];
 346                 }
 347                 vlc_mutex_unlock( &p_item->input.lock );
 348             }
 349             else if( o_parent == o_root_item )
 350             {
 351                 vlc_mutex_lock( &p_item->input.lock );
 352                 o_children = [[NSMutableArray alloc] initWithCapacity:
 353                     p_item->input.pp_categories[i_object_id]->i_infos];
 354
 355                 for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
 356                 {
 357                     [o_children addObject:[[VLCInfoTreeItem alloc]
 358                     initWithName: [NSString stringWithUTF8String:
 359                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
 360                         value: [NSString stringWithUTF8String:
 361                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
 362                         ID: i
 363                         parent: self]];
 364                 }
 365                 vlc_mutex_unlock( &p_item->input.lock );
 366             }
 367             else
 368             {
 369                 o_children = IsALeafNode;
 370             }
 371         }
 372     }
 373     return o_children;
 374 }
 375
 376 - (NSString *)getName
 377 {
 378     return o_name;
 379 }
 380
 381 - (NSString *)getValue
 382 {
 383     return o_value;
 384 }
 385
 386 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 387     return [[self children] objectAtIndex:i_index];
 388 }
 389
 390 - (int)numberOfChildren {
 391     id i_tmp = [self children];
 392     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 393 }
 394
 395 /*- (int)selectedPlaylistItem
 396 {
 397     return i_item;
 398 }
 399 */
 400 - (void)refresh
 401 {
 402     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 403     if( o_children != NULL )
 404     {
 405         [o_children release];
 406         o_children = NULL;
 407     }
 408 }
 409
 410 @end
 411